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->mirror_en == 1)) {
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->mirror_en == 1)) {
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                 win->mirror_en = reg_win_data->mirror_en;
1581                 win->colorspace = reg_win_data->colorspace;
1582                 win->area[0].fbdc_en =
1583                         reg_win_data->reg_area_data[0].fbdc_en;
1584                 win->area[0].fbdc_cor_en =
1585                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1586                 win->area[0].fbdc_data_format =
1587                         reg_win_data->reg_area_data[0].fbdc_data_format;
1588                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1589                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1590                                 win->area[i].format =
1591                                         reg_win_data->reg_area_data[i].data_format;
1592                                 win->area[i].ion_hdl =
1593                                         reg_win_data->reg_area_data[i].ion_handle;
1594                                 win->area[i].smem_start =
1595                                         reg_win_data->reg_area_data[i].smem_start;
1596                                 if (inf->disp_mode == DUAL ||
1597                                     inf->disp_mode == NO_DUAL) {
1598                                         win->area[i].xpos =
1599                                                 reg_win_data->reg_area_data[i].xpos;
1600                                         win->area[i].ypos =
1601                                                 reg_win_data->reg_area_data[i].ypos;
1602                                         win->area[i].xsize =
1603                                                 reg_win_data->reg_area_data[i].xsize;
1604                                         win->area[i].ysize =
1605                                                 reg_win_data->reg_area_data[i].ysize;
1606                                 } else {
1607                                         win->area[i].xpos =
1608                                                 reg_win_data->reg_area_data[i].xpos *
1609                                                 cur_screen->mode.xres /
1610                                                 primary_screen.mode.xres;
1611                                         win->area[i].ypos =
1612                                                 reg_win_data->reg_area_data[i].ypos *
1613                                                 cur_screen->mode.yres /
1614                                                 primary_screen.mode.yres;
1615                                         win->area[i].xsize =
1616                                                 reg_win_data->reg_area_data[i].xsize *
1617                                                 cur_screen->mode.xres /
1618                                                 primary_screen.mode.xres;
1619                                         win->area[i].ysize =
1620                                                 reg_win_data->reg_area_data[i].ysize *
1621                                                 cur_screen->mode.yres /
1622                                                 primary_screen.mode.yres;
1623
1624                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1625                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1626                                                 if (cur_screen->xsize > 0 &&
1627                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1628                                                         win->area[i].xpos =
1629                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1630                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1631                                                         win->area[i].xsize =
1632                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1633                                                 }
1634                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1635                                                         win->area[i].ypos =
1636                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1637                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1638                                                         win->area[i].ysize =
1639                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1640                                                 }
1641                                         }
1642                                 }
1643                                 win->area[i].xact =
1644                                     reg_win_data->reg_area_data[i].xact;
1645                                 win->area[i].yact =
1646                                     reg_win_data->reg_area_data[i].yact;
1647                                 win->area[i].xvir =
1648                                     reg_win_data->reg_area_data[i].xvir;
1649                                 win->area[i].yvir =
1650                                     reg_win_data->reg_area_data[i].yvir;
1651                                 win->area[i].xoff =
1652                                     reg_win_data->reg_area_data[i].xoff;
1653                                 win->area[i].yoff =
1654                                     reg_win_data->reg_area_data[i].yoff;
1655                                 win->area[i].y_offset =
1656                                     reg_win_data->reg_area_data[i].y_offset;
1657                                 win->area[i].y_vir_stride =
1658                                     reg_win_data->reg_area_data[i].y_vir_stride;
1659                                 win->area[i].state = 1;
1660 #if defined(CONFIG_RK_IOMMU)
1661                                 if (dev_drv->iommu_enabled) {
1662                                         g_now_config_addr[win->id][i] =
1663                                                 win->area[i].smem_start +
1664                                                 win->area[i].y_offset;
1665                                         g_now_config_state[win->id][i] = 1;
1666                                 }
1667 #endif
1668                         } else {
1669                                 win->area[i].state = 0;
1670 #if defined(CONFIG_RK_IOMMU)
1671                                 if (dev_drv->iommu_enabled) {
1672                                         g_now_config_addr[win->id][i] = 0;
1673                                         g_now_config_state[win->id][i] = 0;
1674                                 }
1675 #endif
1676                         }
1677                 }
1678         }
1679 }
1680
1681 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1682                                                      *regs, int win_id)
1683 {
1684         int i;
1685         struct rk_fb_reg_win_data *win_data = NULL;
1686
1687         for (i = 0; i < regs->win_num; i++) {
1688                 if (regs->reg_win_data[i].win_id == win_id) {
1689                         win_data = &(regs->reg_win_data[i]);
1690                         break;
1691                 }
1692         }
1693
1694         return win_data;
1695 }
1696
1697 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1698                               struct rk_fb_reg_data *regs,
1699                               int count)
1700 {
1701         int i, j, wait_for_vsync = false;
1702         unsigned int dsp_addr[5][4];
1703         int win_status = 0;
1704
1705         if (dev_drv->ops->get_dsp_addr)
1706                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1707
1708         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1709                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1710                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1711                                 continue;
1712                         if (dev_drv->win[i]->area[j].state == 1) {
1713                                 u32 new_start =
1714                                         dev_drv->win[i]->area[j].smem_start +
1715                                         dev_drv->win[i]->area[j].y_offset;
1716                                 u32 reg_start = dsp_addr[i][j];
1717                                 if (unlikely(new_start != reg_start)) {
1718                                         wait_for_vsync = true;
1719                                         dev_info(dev_drv->dev,
1720                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1721                                                  i, new_start, reg_start,
1722                                                  101 - count);
1723                                         break;
1724                                 }
1725                         } else if (dev_drv->win[i]->area[j].state == 0) {
1726                                 if (dev_drv->ops->get_win_state) {
1727                                         win_status =
1728                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1729                                         if (win_status)
1730                                                 wait_for_vsync = true;
1731                                 }
1732                         } else {
1733                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1734                                        i, dev_drv->win[i]->state);
1735                         }
1736                 }
1737         }
1738
1739         return wait_for_vsync;
1740 }
1741
1742 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1743 {
1744         int i, j, state, page_fault = 0;
1745         unsigned int dsp_addr[5][4];
1746
1747         if (dev_drv->ops->extern_func) {
1748                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1749                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1750         }
1751         if (page_fault) {
1752                 pr_info("last config:\n");
1753                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1754                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1755                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1756                                         continue;
1757                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1758                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1759                         }
1760                 }
1761
1762                 pr_info("last freed buffer:\n");
1763                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1764                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1765
1766                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1767                 pr_info("vop now state:\n");
1768                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1769                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1770                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1771                                         continue;
1772                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1773                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1774                                         i, j, state, dsp_addr[i][j]);
1775                         }
1776                 }
1777                 pr_info("now config:\n");
1778                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1779                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1780                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1781                                         continue;
1782                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1783                                         i, j, g_now_config_state[i][j],
1784                                         g_now_config_addr[i][j]);
1785                         }
1786                 }
1787                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1788                         rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1789                                            &dev_drv->tmp_regs[i], 0);
1790         }
1791
1792         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1793                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1794                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1795                                 continue;
1796                         g_last_addr[i][j] = g_now_config_addr[i][j];
1797                         g_last_state[i][j] = g_now_config_state[i][j];
1798                 }
1799         }
1800
1801         return page_fault;
1802 }
1803 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1804                              struct rk_fb_reg_data *regs)
1805 {
1806         int i, j;
1807         struct rk_lcdc_win *win;
1808         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1809         struct rk_fb_reg_win_data *win_data;
1810         bool wait_for_vsync;
1811         int count = 100;
1812         long timeout;
1813         int pagefault = 0;
1814         /* acq_fence wait */
1815         for (i = 0; i < regs->win_num; i++) {
1816                 win_data = &regs->reg_win_data[i];
1817                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1818                         if (win_data->reg_area_data[j].acq_fence) {
1819                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1820                         }
1821                 }
1822         }
1823
1824         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1825                 win = dev_drv->win[i];
1826                 win_data = rk_fb_get_win_data(regs, i);
1827                 if (win_data) {
1828                         mutex_lock(&dev_drv->win_config);
1829                         rk_fb_update_win(dev_drv, win, win_data);
1830                         win->state = 1;
1831                         dev_drv->ops->set_par(dev_drv, i);
1832                         dev_drv->ops->pan_display(dev_drv, i);
1833                         mutex_unlock(&dev_drv->win_config);
1834                 } else {
1835                         win->z_order = -1;
1836                         win->state = 0;
1837                         for (j = 0; j < 4; j++)
1838                                 win->area[j].state = 0;
1839 #if defined(CONFIG_RK_IOMMU)
1840                         if (dev_drv->iommu_enabled) {
1841                                 for (j = 0; j < 4; j++) {
1842                                         g_now_config_addr[i][j] = 0;
1843                                         g_now_config_state[i][j] = 0;
1844                                 }
1845                         }
1846 #endif
1847                 }
1848         }
1849         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1850
1851         if (rk_fb_iommu_debug > 0)
1852                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1853
1854         if (pagefault == 0)
1855                 dev_drv->ops->cfg_done(dev_drv);
1856         else
1857                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1858
1859         do {
1860                 timestamp = dev_drv->vsync_info.timestamp;
1861                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1862                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1863                                 msecs_to_jiffies(50));
1864
1865                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1866         } while (wait_for_vsync && count--);
1867 #ifdef H_USE_FENCE
1868         sw_sync_timeline_inc(dev_drv->timeline, 1);
1869 #endif
1870
1871         if (dev_drv->front_regs) {
1872 #if defined(CONFIG_RK_IOMMU)
1873                 if (dev_drv->iommu_enabled) {
1874                         if (dev_drv->ops->mmu_en)
1875                                 dev_drv->ops->mmu_en(dev_drv);
1876                         freed_index = 0;
1877                         g_last_timeout = timeout;
1878                 }
1879 #endif
1880
1881                 mutex_lock(&dev_drv->front_lock);
1882
1883                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1884                         win_data = &dev_drv->front_regs->reg_win_data[i];
1885                         rk_fb_free_dma_buf(dev_drv, win_data);
1886                 }
1887                 kfree(dev_drv->front_regs);
1888
1889                 mutex_unlock(&dev_drv->front_lock);
1890
1891 #if defined(CONFIG_RK_IOMMU)
1892                 if (dev_drv->iommu_enabled)
1893                         freed_addr[freed_index] = 0xfefefefe;
1894 #endif
1895         }
1896
1897         mutex_lock(&dev_drv->front_lock);
1898
1899         dev_drv->front_regs = regs;
1900
1901         mutex_unlock(&dev_drv->front_lock);
1902
1903         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1904 }
1905
1906 static void rk_fb_update_regs_handler(struct kthread_work *work)
1907 {
1908         struct rk_lcdc_driver *dev_drv =
1909             container_of(work, struct rk_lcdc_driver, update_regs_work);
1910         struct rk_fb_reg_data *data, *next;
1911
1912         mutex_lock(&dev_drv->update_regs_list_lock);
1913         dev_drv->saved_list = dev_drv->update_regs_list;
1914         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1915         mutex_unlock(&dev_drv->update_regs_list_lock);
1916
1917         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1918                 rk_fb_update_reg(dev_drv, data);
1919                 list_del(&data->list);
1920         }
1921
1922         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1923                 wake_up(&dev_drv->update_regs_wait);
1924 }
1925
1926 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1927                                   struct rk_screen *screen)
1928 {
1929         if (area_par->phy_addr > 0)
1930                 pr_err("%s[%d], phy_addr = 0x%x\n",
1931                        __func__, __LINE__, area_par->phy_addr);
1932         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1933             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1934             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1935                 pr_err("check config var fail 0:\n"
1936                        "x_offset=%d,xact=%d,xvir=%d\n",
1937                        area_par->x_offset, area_par->xact, area_par->xvir);
1938                 return -EINVAL;
1939         }
1940
1941         if ((area_par->xpos >= screen->mode.xres) ||
1942             (area_par->ypos >= screen->mode.yres) ||
1943             ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
1944                 pr_warn("check config var fail 1:\n"
1945                        "xpos=%d,xsize=%d,xres=%d\n"
1946                        "ypos=%d,ysize=%d,yres=%d\n",
1947                        area_par->xpos, area_par->xsize, screen->mode.xres,
1948                        area_par->ypos, area_par->ysize, screen->mode.yres);
1949                 return -EINVAL;
1950         }
1951         return 0;
1952 }
1953
1954 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1955                               struct rk_fb_win_cfg_data *win_data,
1956                               struct rk_fb_reg_data *regs, u32 cmd)
1957 {
1958         int i, j;
1959         struct rk_fb_win_par *win_par;
1960         struct rk_fb_area_par *area_par;
1961         struct rk_fb_reg_win_data *reg_win_data;
1962         struct rk_fb_reg_area_data *area_data;
1963
1964         rk_fb_dbg(cmd, "-------------frame start-------------\n");
1965         rk_fb_dbg(cmd, "user config:\n");
1966         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1967                 win_par = &(win_data->win_par[i]);
1968                 if ((win_par->area_par[0].ion_fd <= 0) &&
1969                     (win_par->area_par[0].phy_addr <= 0))
1970                         continue;
1971                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1972                           win_par->win_id, win_par->z_order,
1973                           win_par->g_alpha_val);
1974                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1975                         area_par = &(win_par->area_par[j]);
1976                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1977                             ((win_par->area_par[j].ion_fd <= 0) &&
1978                              (win_par->area_par[j].phy_addr <= 0)))
1979                                 continue;
1980                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1981                                   j, area_par->data_format, area_par->ion_fd,
1982                                   area_par->phy_addr, area_par->x_offset,
1983                                   area_par->y_offset);
1984                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1985                                   area_par->xpos, area_par->ypos,
1986                                   area_par->xsize, area_par->ysize);
1987                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1988                                   area_par->xact, area_par->yact,
1989                                   area_par->xvir, area_par->yvir);
1990                 }
1991         }
1992
1993         rk_fb_dbg(cmd, "regs data:\n");
1994         rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
1995                   regs->win_num, regs->buf_num);
1996         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1997                 reg_win_data = &(regs->reg_win_data[i]);
1998                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
1999                         continue;
2000                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2001                           reg_win_data->win_id, reg_win_data->z_order,
2002                           reg_win_data->area_num, reg_win_data->area_buf_num);
2003                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2004                         area_data = &(reg_win_data->reg_area_data[j]);
2005                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2006                             (area_data->smem_start <= 0))
2007                                 continue;
2008                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2009                                   j, area_data->data_format, area_data->ion_handle,
2010                                   area_data->smem_start, area_data->cbr_start);
2011                         rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2012                                   area_data->y_offset, area_data->c_offset, area_data->buff_len);
2013                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2014                                   area_data->xpos, area_data->ypos,
2015                                   area_data->xsize, area_data->ysize);
2016                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2017                                   area_data->xact, area_data->yact,
2018                                   area_data->xvir, area_data->yvir);
2019                 }
2020         }
2021         rk_fb_dbg(cmd, "-------------frame end---------------\n");
2022
2023         return 0;
2024 }
2025 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2026                                    struct rk_fb_win_cfg_data *win_cfg,
2027                                    struct rk_fb_reg_data *regs)
2028 {
2029         int i;
2030
2031         /*2->1->0: 0 is newest*/
2032         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2033                 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2034                        &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2035                        sizeof(struct rk_fb_win_cfg_data));
2036                 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2037                        &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2038                        sizeof(struct rk_fb_reg_data));
2039         }
2040
2041         memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2042                sizeof(struct rk_fb_win_cfg_data));
2043         memcpy(&dev_drv->tmp_regs[0], regs,
2044                sizeof(struct rk_fb_reg_data));
2045
2046         return 0;
2047 }
2048 static int rk_fb_set_win_buffer(struct fb_info *info,
2049                                 struct rk_fb_win_par *win_par,
2050                                 struct rk_fb_reg_win_data *reg_win_data)
2051 {
2052         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2053         struct fb_fix_screeninfo *fix = &info->fix;
2054         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2055         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2056         /*if hdmi size move to hwc,screen should point to cur_screen
2057          *otherwise point to screen0[main screen]*/
2058         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2059         struct fb_info *fbi;
2060         int i, ion_fd, acq_fence_fd;
2061         u32 xvir, yvir;
2062         u32 xoffset, yoffset;
2063
2064         struct ion_handle *hdl;
2065         size_t len;
2066         int index_buf;
2067         u8 fb_data_fmt;
2068         u8 pixel_width;
2069         u32 vir_width_bit;
2070         u32 stride, uv_stride;
2071         u32 stride_32bit_1;
2072         u32 stride_32bit_2;
2073         u16 uv_x_off, uv_y_off, uv_y_act;
2074         u8 is_pic_yuv = 0;
2075         u8 ppixel_a = 0, global_a = 0;
2076         ion_phys_addr_t phy_addr;
2077         int ret = 0;
2078         int buff_len;
2079
2080         reg_win_data->reg_area_data[0].smem_start = -1;
2081         reg_win_data->area_num = 0;
2082         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2083         if (win_par->area_par[0].phy_addr == 0) {
2084                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2085                         ion_fd = win_par->area_par[i].ion_fd;
2086                         if (ion_fd > 0) {
2087                                 hdl =
2088                                     ion_import_dma_buf(rk_fb->ion_client,
2089                                                        ion_fd);
2090                                 if (IS_ERR(hdl)) {
2091                                         pr_info("%s: Could not import handle:"
2092                                                 " %ld\n", __func__, (long)hdl);
2093                                         return -EINVAL;
2094                                         break;
2095                                 }
2096                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2097 #ifndef CONFIG_RK_IOMMU
2098                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2099                                                &len);
2100 #else
2101                                 if (dev_drv->iommu_enabled)
2102                                         ret = ion_map_iommu(dev_drv->dev,
2103                                                             rk_fb->ion_client,
2104                                                             hdl,
2105                                                             (unsigned long *)&phy_addr,
2106                                                             (unsigned long *)&len);
2107                                 else
2108                                         ret = ion_phys(rk_fb->ion_client, hdl,
2109                                                        &phy_addr, &len);
2110 #endif
2111                                 if (ret < 0) {
2112                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2113                                         ion_free(rk_fb->ion_client, hdl);
2114                                         return -ENOMEM;
2115                                 }
2116                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2117                                 reg_win_data->area_num++;
2118                                 reg_win_data->area_buf_num++;
2119                                 reg_win_data->reg_area_data[i].index_buf = 1;
2120                                 reg_win_data->reg_area_data[i].buff_len = len;
2121                         }
2122                 }
2123         } else {
2124                 reg_win_data->reg_area_data[0].smem_start =
2125                     win_par->area_par[0].phy_addr;
2126                 reg_win_data->area_num = 1;
2127                 reg_win_data->area_buf_num++;
2128                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2129         }
2130
2131         if (reg_win_data->area_num == 0) {
2132                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2133                         reg_win_data->reg_area_data[i].smem_start = 0;
2134                 reg_win_data->z_order = -1;
2135                 reg_win_data->win_id = -1;
2136                 return 0;
2137         }
2138
2139         for (i = 0; i < reg_win_data->area_num; i++) {
2140                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2141                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2142                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2143                         reg_win_data->reg_area_data[i].acq_fence =
2144                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2145                 }
2146         }
2147         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2148                 reg_win_data->z_order = win_par->z_order;
2149                 reg_win_data->win_id = win_par->win_id;
2150         } else {
2151                 reg_win_data->z_order = -1;
2152                 reg_win_data->win_id = -1;
2153         }
2154
2155         reg_win_data->mirror_en = win_par->mirror_en;
2156         for (i = 0; i < reg_win_data->area_num; i++) {
2157                 u8 data_format = win_par->area_par[i].data_format;
2158                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2159                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2160                 data_format &= ~CSC_MASK;
2161                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2162                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2163                 if (IS_FBDC_FMT(fb_data_fmt)) {
2164                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2165                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2166                 } else {
2167                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2168                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2169                 }
2170                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2171
2172                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2173                              (fb_data_fmt == FBDC_ARGB_888) ||
2174                              (fb_data_fmt == FBDC_ABGR_888) ||
2175                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2176                 /*act_height should be 2 pix align for interlace output*/
2177                 if (win_par->area_par[i].yact % 2 == 1) {
2178                         win_par->area_par[i].yact  -= 1;
2179                         win_par->area_par[i].ysize -= 1;
2180                 }
2181
2182                 /* buf offset should be 2 pix align*/
2183                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2184                     IS_YUV_FMT(fb_data_fmt)) {
2185                         win_par->area_par[i].x_offset += 1;
2186                         win_par->area_par[i].xact -= 1;
2187                 }
2188
2189                 /* visiable pos in panel */
2190                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2191                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2192
2193                 /* realy size in panel */
2194                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2195                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2196
2197                 /* realy size in panel */
2198                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2199                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2200
2201                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2202                 yoffset = win_par->area_par[i].y_offset;
2203                 reg_win_data->reg_area_data[i].xoff = xoffset;
2204                 reg_win_data->reg_area_data[i].yoff = yoffset;
2205
2206                 xvir = win_par->area_par[i].xvir;
2207                 reg_win_data->reg_area_data[i].xvir = xvir;
2208                 yvir = win_par->area_par[i].yvir;
2209                 reg_win_data->reg_area_data[i].yvir = yvir;
2210
2211                 vir_width_bit = pixel_width * xvir;
2212                 /* pixel_width = byte_num*8 */
2213                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2214                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2215
2216                 stride = stride_32bit_1;        /* default rgb */
2217                 fix->line_length = stride;
2218                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2219
2220                 /* x y mirror ,jump line
2221                  * reg_win_data->reg_area_data[i].y_offset =
2222                  *              yoffset*stride+xoffset*pixel_width/8;
2223                  */
2224                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2225                         if (screen->interlace == 1) {
2226                                 reg_win_data->reg_area_data[i].y_offset =
2227                                     yoffset * stride * 2 +
2228                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2229                                     xoffset * pixel_width / 8;
2230                         } else {
2231                                 reg_win_data->reg_area_data[i].y_offset =
2232                                     yoffset * stride +
2233                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2234                                     xoffset * pixel_width / 8;
2235                         }
2236                 } else {
2237                         if (screen->interlace == 1) {
2238                                 reg_win_data->reg_area_data[i].y_offset =
2239                                     yoffset * stride * 2 +
2240                                     xoffset * pixel_width / 8;
2241                         } else {
2242                                 reg_win_data->reg_area_data[i].y_offset =
2243                                     yoffset * stride +
2244                                     xoffset * pixel_width / 8;
2245                         }
2246                 }
2247                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2248                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2249                                 reg_win_data->reg_area_data[i].xvir *
2250                                 reg_win_data->reg_area_data[i].yact *
2251                                 pixel_width / 8 -
2252                                 reg_win_data->reg_area_data[i].xoff*
2253                                 pixel_width / 8;
2254                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2255                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2256                                        "yact[%d]*bpp[%d]"
2257                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2258                                        fb_data_fmt,
2259                                        reg_win_data->reg_area_data[i].xvir,
2260                                        reg_win_data->reg_area_data[i].yact,
2261                                        pixel_width, buff_len,
2262                                        reg_win_data->reg_area_data[i].buff_len);
2263                 }
2264         }
2265
2266         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2267         reg_win_data->alpha_en = ppixel_a | global_a;
2268         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2269         reg_win_data->alpha_mode = win_par->alpha_mode;
2270
2271         switch (fb_data_fmt) {
2272         case YUV422:
2273         case YUV422_A:
2274                 is_pic_yuv = 1;
2275                 stride = stride_32bit_1;
2276                 uv_stride = stride_32bit_1;
2277                 uv_x_off = xoffset;
2278                 uv_y_off = yoffset;
2279                 fix->line_length = stride;
2280                 uv_y_act = win_par->area_par[0].yact >> 1;
2281                 break;
2282         case YUV420:            /* nv12 */
2283         case YUV420_NV21:       /* nv21 */
2284         case YUV420_A:
2285                 is_pic_yuv = 1;
2286                 stride = stride_32bit_1;
2287                 uv_stride = stride_32bit_1;
2288                 uv_x_off = xoffset;
2289                 uv_y_off = yoffset >> 1;
2290                 fix->line_length = stride;
2291                 uv_y_act = win_par->area_par[0].yact >> 1;
2292                 break;
2293         case YUV444:
2294         case YUV444_A:
2295                 is_pic_yuv = 1;
2296                 stride = stride_32bit_1;
2297                 uv_stride = stride_32bit_2;
2298                 uv_x_off = xoffset * 2;
2299                 uv_y_off = yoffset;
2300                 fix->line_length = stride << 2;
2301                 uv_y_act = win_par->area_par[0].yact;
2302                 break;
2303         default:
2304                 break;
2305         }
2306         if (is_pic_yuv == 1) {
2307                 reg_win_data->reg_area_data[0].cbr_start =
2308                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2309                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2310                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2311                         if (screen->interlace == 1) {
2312                                 reg_win_data->reg_area_data[0].c_offset =
2313                                     uv_y_off * uv_stride * 2 +
2314                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2315                                     uv_x_off * pixel_width / 8;
2316                         } else {
2317                                 reg_win_data->reg_area_data[0].c_offset =
2318                                     uv_y_off * uv_stride +
2319                                     (uv_y_act - 1) * uv_stride +
2320                                     uv_x_off * pixel_width / 8;
2321                         }
2322                 } else {
2323                         if (screen->interlace == 1) {
2324                                 reg_win_data->reg_area_data[0].c_offset =
2325                                     uv_y_off * uv_stride * 2 +
2326                                     uv_x_off * pixel_width / 8;
2327                         } else {
2328                                 reg_win_data->reg_area_data[0].c_offset =
2329                                     uv_y_off * uv_stride +
2330                                     uv_x_off * pixel_width / 8;
2331                         }
2332                 }
2333                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2334                         reg_win_data->reg_area_data[0].c_offset +
2335                         reg_win_data->reg_area_data[0].xvir *
2336                         reg_win_data->reg_area_data[0].yact *
2337                         pixel_width / 16 -
2338                         reg_win_data->reg_area_data[0].smem_start -
2339                         reg_win_data->reg_area_data[0].xoff*
2340                         pixel_width / 16;
2341                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2342                         dev_drv->iommu_enabled)
2343                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2344                                "yact[%d]*bpp[%d]"
2345                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2346                                fb_data_fmt,
2347                                reg_win_data->reg_area_data[0].xvir,
2348                                reg_win_data->reg_area_data[0].yact,
2349                                pixel_width, buff_len,
2350                                reg_win_data->reg_area_data[0].buff_len);
2351         }
2352
2353         /* record buffer information for rk_fb_disp_scale to prevent fence
2354          * timeout because rk_fb_disp_scale will call function
2355          * info->fbops->fb_set_par(info);
2356          * delete by hjc for new hdmi overscan framework.
2357          */
2358         /* info->var.yoffset = yoffset;
2359          * info->var.xoffset = xoffset;
2360          */
2361         return 0;
2362 }
2363
2364 static int rk_fb_set_win_config(struct fb_info *info,
2365                                 struct rk_fb_win_cfg_data *win_data)
2366 {
2367         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2368         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2369         struct rk_fb_reg_data *regs;
2370 #ifdef H_USE_FENCE
2371         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2372         struct sync_fence *retire_fence;
2373         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2374         struct sync_pt *retire_sync_pt;
2375         char fence_name[20];
2376 #endif
2377         int ret = 0, i, j = 0;
2378         int list_is_empty = 0;
2379         struct rk_screen *screen = dev_drv->cur_screen;
2380
2381         mutex_lock(&dev_drv->output_lock);
2382
2383         for (i = 0; i < 4; i++) {
2384                 for (j = 0; j < 4; j++) {
2385                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2386                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2387                                 ret += rk_fb_check_config_var(
2388                                         &win_data->win_par[i].area_par[j],
2389                                         screen);
2390                 }
2391         }
2392         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2393                 dev_drv->timeline_max++;
2394                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2395                 if (dev_drv->suspend_flag)
2396                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2397                 else if (dev_drv->hdmi_switch)
2398                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2399                 else
2400                         pr_err("error config ,ignore\n");
2401                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2402                         win_data->rel_fence_fd[j] = -1;
2403                 win_data->ret_fence_fd = -1;
2404                 goto err;
2405         }
2406
2407         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2408         if (!regs) {
2409                 pr_info("could not allocate rk_fb_reg_data\n");
2410                 ret = -ENOMEM;
2411                 goto err;
2412         }
2413
2414         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2415                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2416                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2417                                                  &regs->reg_win_data[j])) {
2418                                 ret = -ENOMEM;
2419                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2420                                 goto err2;
2421                         }
2422                         if (regs->reg_win_data[j].area_num > 0) {
2423                                 regs->win_num++;
2424                                 regs->buf_num +=
2425                                     regs->reg_win_data[j].area_buf_num;
2426                         }
2427                         j++;
2428                 } else {
2429                         pr_info("error:win_id bigger than lcdc_win_num\n");
2430                         pr_info("i=%d,win_id=%d\n", i,
2431                                win_data->win_par[i].win_id);
2432                 }
2433         }
2434
2435         if (regs->win_num <= 0)
2436                 goto err_null_frame;
2437
2438         dev_drv->timeline_max++;
2439 #ifdef H_USE_FENCE
2440         win_data->ret_fence_fd = get_unused_fd_flags(0);
2441         if (win_data->ret_fence_fd < 0) {
2442                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2443                 win_data->ret_fence_fd = -1;
2444                 ret = -EFAULT;
2445                 goto err2;
2446         }
2447         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2448                 if (i < regs->buf_num) {
2449                         sprintf(fence_name, "fence%d", i);
2450                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2451                         if (win_data->rel_fence_fd[i] < 0) {
2452                                 pr_info("rel_fence_fd=%d\n",
2453                                        win_data->rel_fence_fd[i]);
2454                                 ret = -EFAULT;
2455                                 goto err2;
2456                         }
2457                         release_sync_pt[i] =
2458                             sw_sync_pt_create(dev_drv->timeline,
2459                                               dev_drv->timeline_max);
2460                         release_fence[i] =
2461                             sync_fence_create(fence_name, release_sync_pt[i]);
2462                         sync_fence_install(release_fence[i],
2463                                            win_data->rel_fence_fd[i]);
2464                 } else {
2465                         win_data->rel_fence_fd[i] = -1;
2466                 }
2467         }
2468
2469         retire_sync_pt =
2470             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2471         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2472         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2473 #else
2474         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2475                 win_data->rel_fence_fd[i] = -1;
2476
2477         win_data->ret_fence_fd = -1;
2478 #endif
2479         if (dev_drv->wait_fs == 0) {
2480                 mutex_lock(&dev_drv->update_regs_list_lock);
2481                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2482                 mutex_unlock(&dev_drv->update_regs_list_lock);
2483                 queue_kthread_work(&dev_drv->update_regs_worker,
2484                                    &dev_drv->update_regs_work);
2485         } else {
2486                 mutex_lock(&dev_drv->update_regs_list_lock);
2487                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2488                                         list_empty(&dev_drv->saved_list);
2489                 mutex_unlock(&dev_drv->update_regs_list_lock);
2490                 if (!list_is_empty) {
2491                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2492                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2493                                 msecs_to_jiffies(60));
2494                         if (ret > 0)
2495                                 rk_fb_update_reg(dev_drv, regs);
2496                         else
2497                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2498                 } else if (ret == 0) {
2499                         rk_fb_update_reg(dev_drv, regs);
2500                 }
2501         }
2502         if (rk_fb_debug_lvl > 0)
2503                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2504         if (rk_fb_iommu_debug > 0)
2505                 rk_fb_config_backup(dev_drv, win_data, regs);
2506 err:
2507         mutex_unlock(&dev_drv->output_lock);
2508         return ret;
2509 err_null_frame:
2510         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2511                 win_data->rel_fence_fd[j] = -1;
2512         win_data->ret_fence_fd = -1;
2513         pr_info("win num = %d,null frame\n", regs->win_num);
2514 err2:
2515         kfree(regs);
2516         mutex_unlock(&dev_drv->output_lock);
2517
2518         return ret;
2519 }
2520
2521 #if 1
2522 static int cfgdone_distlist[10] = { 0 };
2523
2524 static int cfgdone_index;
2525 static int cfgdone_lasttime;
2526
2527 int rk_get_real_fps(int before)
2528 {
2529         struct timespec now;
2530         int dist_curr;
2531         int dist_total = 0;
2532         int dist_count = 0;
2533         int dist_first = 0;
2534
2535         int index = cfgdone_index;
2536         int i = 0, fps = 0;
2537         int total;
2538
2539         if (before > 100)
2540                 before = 100;
2541         if (before < 0)
2542                 before = 0;
2543
2544         getnstimeofday(&now);
2545         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2546                         cfgdone_lasttime;
2547         total = dist_curr;
2548         for (i = 0; i < 10; i++) {
2549                 if (--index < 0)
2550                         index = 9;
2551                 total += cfgdone_distlist[index];
2552                 if (i == 0)
2553                         dist_first = cfgdone_distlist[index];
2554                 if (total < (before * 1000)) {
2555                         dist_total += cfgdone_distlist[index];
2556                         dist_count++;
2557                 } else {
2558                         break;
2559                 }
2560         }
2561
2562         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2563         dist_total += dist_curr;
2564         dist_count++;
2565
2566         if (dist_total > 0)
2567                 fps = (1000000 * dist_count) / dist_total;
2568         else
2569                 fps = 60;
2570
2571         return fps;
2572 }
2573 EXPORT_SYMBOL(rk_get_real_fps);
2574
2575 #endif
2576 #ifdef CONFIG_RK_IOMMU
2577 #define ION_MAX 10
2578 static struct ion_handle *ion_hanle[ION_MAX];
2579 static struct ion_handle *ion_hwc[1];
2580 #endif
2581 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2582                        unsigned long arg)
2583 {
2584         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2585         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2586         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2587         struct fb_fix_screeninfo *fix = &info->fix;
2588         struct rk_lcdc_win *win;
2589         int enable;     /* enable fb:1 enable;0 disable */
2590         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2591         int num_buf;    /* buffer_number */
2592         int ret = 0;
2593         struct rk_fb_win_cfg_data win_data;
2594         unsigned int dsp_addr[4][4];
2595         int list_stat;
2596
2597         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2598         void __user *argp = (void __user *)arg;
2599
2600         win = dev_drv->win[win_id];
2601         switch (cmd) {
2602         case RK_FBIOSET_HWC_ADDR:
2603         {
2604                 u32 hwc_phy[1];
2605
2606                 if (copy_from_user(hwc_phy, argp, 4))
2607                         return -EFAULT;
2608 #ifdef CONFIG_RK_IOMMU
2609                 if (!dev_drv->iommu_enabled) {
2610 #endif
2611                         fix->smem_start = hwc_phy[0];
2612 #ifdef CONFIG_RK_IOMMU
2613                 } else {
2614                         int usr_fd;
2615                         struct ion_handle *hdl;
2616                         ion_phys_addr_t phy_addr;
2617                         size_t len;
2618
2619                         usr_fd = hwc_phy[0];
2620                         if (!usr_fd) {
2621                                 fix->smem_start = 0;
2622                                 fix->mmio_start = 0;
2623                                 dev_drv->ops->open(dev_drv, win_id, 0);
2624                                 break;
2625                         }
2626
2627                         if (ion_hwc[0] != 0) {
2628                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2629                                 ion_hwc[0] = 0;
2630                         }
2631
2632                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2633                         if (IS_ERR(hdl)) {
2634                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2635                                         PTR_ERR(hdl));
2636                                 return -EFAULT;
2637                         }
2638
2639                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2640                                                 (unsigned long *)&phy_addr,
2641                                                 (unsigned long *)&len);
2642                         if (ret < 0) {
2643                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2644                                 ion_free(rk_fb->ion_client, hdl);
2645                                 return -ENOMEM;
2646                         }
2647                         fix->smem_start = phy_addr;
2648                         ion_hwc[0] = hdl;
2649                 }
2650 #endif
2651                 break;
2652         }
2653         case RK_FBIOSET_YUV_ADDR:
2654                 {
2655                         u32 yuv_phy[2];
2656
2657                         if (copy_from_user(yuv_phy, argp, 8))
2658                                 return -EFAULT;
2659                         #ifdef CONFIG_RK_IOMMU
2660                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2661                         #endif
2662                                 fix->smem_start = yuv_phy[0];
2663                                 fix->mmio_start = yuv_phy[1];
2664                         #ifdef CONFIG_RK_IOMMU
2665                         } else {
2666                                 int usr_fd, offset, tmp;
2667                                 struct ion_handle *hdl;
2668                                 ion_phys_addr_t phy_addr;
2669                                 size_t len;
2670
2671                                 usr_fd = yuv_phy[0];
2672                                 offset = yuv_phy[1] - yuv_phy[0];
2673                                 if (!usr_fd) {
2674                                         fix->smem_start = 0;
2675                                         fix->mmio_start = 0;
2676                                         break;
2677                                 }
2678
2679                                 if (ion_hanle[ION_MAX - 1] != 0) {
2680                                         /*ion_unmap_kernel(rk_fb->ion_client,
2681                                          *      ion_hanle[ION_MAX - 1]);
2682                                          *ion_unmap_iommu(dev_drv->dev,
2683                                          *      rk_fb->ion_client,
2684                                          *      ion_hanle[ION_MAX - 1]);
2685                                          */
2686                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2687                                         ion_hanle[ION_MAX - 1] = 0;
2688                                 }
2689
2690                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2691                                 if (IS_ERR(hdl)) {
2692                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2693                                                 PTR_ERR(hdl));
2694                                         return -EFAULT;
2695                                 }
2696
2697                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2698                                                     (unsigned long *)&phy_addr,
2699                                                     (unsigned long *)&len);
2700                                 if (ret < 0) {
2701                                         dev_err(info->dev, "ion map to get phy addr failed");
2702                                         ion_free(rk_fb->ion_client, hdl);
2703                                         return -ENOMEM;
2704                                 }
2705                                 fix->smem_start = phy_addr;
2706                                 fix->mmio_start = phy_addr + offset;
2707                                 fix->smem_len = len;
2708                                 /*info->screen_base =
2709                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2710                                  */
2711                                 ion_hanle[0] = hdl;
2712                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2713                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2714                                 ion_hanle[0] = 0;
2715                         }
2716                         #endif
2717                         break;
2718                 }
2719         case RK_FBIOSET_ENABLE:
2720                 if (copy_from_user(&enable, argp, sizeof(enable)))
2721                         return -EFAULT;
2722                                 if (enable && fb_par->state)
2723                                         fb_par->state++;
2724                                 else
2725                                         fb_par->state--;
2726                 dev_drv->ops->open(dev_drv, win_id, enable);
2727                 break;
2728         case RK_FBIOGET_ENABLE:
2729                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2730                 if (copy_to_user(argp, &enable, sizeof(enable)))
2731                         return -EFAULT;
2732                 break;
2733         case RK_FBIOSET_OVERLAY_STA:
2734                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2735                         return -EFAULT;
2736                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2737                 break;
2738         case RK_FBIOGET_OVERLAY_STA:
2739                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2740                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2741                         return -EFAULT;
2742                 break;
2743         case RK_FBIOPUT_NUM_BUFFERS:
2744                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2745                         return -EFAULT;
2746                 dev_drv->num_buf = num_buf;
2747                 break;
2748         case RK_FBIOSET_VSYNC_ENABLE:
2749                 if (copy_from_user(&enable, argp, sizeof(enable)))
2750                         return -EFAULT;
2751                 dev_drv->vsync_info.active = enable;
2752                 break;
2753
2754         case RK_FBIOGET_DSP_ADDR:
2755                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2756                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2757                         return -EFAULT;
2758                 break;
2759         case RK_FBIOGET_LIST_STA:
2760                 list_stat = rk_fb_get_list_stat(dev_drv);
2761                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2762                         return -EFAULT;
2763
2764                 break;
2765         case RK_FBIOGET_IOMMU_STA:
2766                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2767                                  sizeof(dev_drv->iommu_enabled)))
2768                         return -EFAULT;
2769                 break;
2770 #if defined(CONFIG_ION_ROCKCHIP)
2771         case RK_FBIOSET_DMABUF_FD:
2772                 {
2773                         int usr_fd;
2774                         struct ion_handle *hdl;
2775                         ion_phys_addr_t phy_addr;
2776                         size_t len;
2777                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2778                                 return -EFAULT;
2779
2780                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2781                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2782                         fix->smem_start = phy_addr;
2783                         break;
2784                 }
2785         case RK_FBIOGET_DMABUF_FD:
2786                 {
2787                         int fd = -1;
2788
2789                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2790                                 dev_err(info->dev,
2791                                         "get dma_buf fd failed,ion handle is err\n");
2792                                 return PTR_ERR(fb_par->ion_hdl);
2793                         }
2794                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2795                                                   fb_par->ion_hdl);
2796                         if (fd < 0) {
2797                                 dev_err(info->dev,
2798                                         "ion_share_dma_buf_fd failed\n");
2799                                 return fd;
2800                         }
2801                         if (copy_to_user(argp, &fd, sizeof(fd)))
2802                                 return -EFAULT;
2803                         break;
2804                 }
2805 #endif
2806         case RK_FBIOSET_CLEAR_FB:
2807                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2808                 break;
2809         case RK_FBIOSET_CONFIG_DONE:
2810                 {
2811                         int curr = 0;
2812                         struct timespec now;
2813
2814                         getnstimeofday(&now);
2815                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2816                         cfgdone_distlist[cfgdone_index++] =
2817                                 curr - cfgdone_lasttime;
2818                         cfgdone_lasttime = curr;
2819                         if (cfgdone_index >= 10)
2820                                 cfgdone_index = 0;
2821                 }
2822                 if (copy_from_user(&win_data,
2823                                    (struct rk_fb_win_cfg_data __user *)argp,
2824                                    sizeof(win_data))) {
2825                         ret = -EFAULT;
2826                         break;
2827                 };
2828
2829                 dev_drv->wait_fs = win_data.wait_fs;
2830                 ret = rk_fb_set_win_config(info, &win_data);
2831
2832                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2833                                  &win_data, sizeof(win_data))) {
2834                         ret = -EFAULT;
2835                         break;
2836                 }
2837                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2838
2839                 if (dev_drv->uboot_logo)
2840                         dev_drv->uboot_logo = 0;
2841
2842                 break;
2843         default:
2844                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2845                 break;
2846         }
2847
2848         return ret;
2849 }
2850
2851 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2852 {
2853         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2854         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2855         struct fb_fix_screeninfo *fix = &info->fix;
2856         int win_id;
2857 #if defined(CONFIG_RK_HDMI)
2858         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2859 #endif
2860
2861         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2862         if (win_id < 0)
2863                 return -ENODEV;
2864         mutex_lock(&dev_drv->switch_screen);
2865 #if defined(CONFIG_RK_HDMI)
2866         if ((rk_fb->disp_mode == ONE_DUAL) &&
2867             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2868                 pr_info("hdmi is connect , not blank lcdc\n");
2869         } else
2870 #endif
2871         {
2872                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2873         }
2874         mutex_unlock(&dev_drv->switch_screen);
2875         return 0;
2876 }
2877
2878 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2879 {
2880         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2881             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2882             ((16 != var->bits_per_pixel) &&
2883             (32 != var->bits_per_pixel) &&
2884             (24 != var->bits_per_pixel))) {
2885                 dev_err(info->dev, "%s check var fail 1:\n"
2886                         "xres_vir:%d>>yres_vir:%d\n"
2887                         "xres:%d>>yres:%d\n"
2888                         "bits_per_pixel:%d\n",
2889                         info->fix.id,
2890                         var->xres_virtual,
2891                         var->yres_virtual,
2892                         var->xres, var->yres, var->bits_per_pixel);
2893                 return -EINVAL;
2894         }
2895
2896         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2897             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2898                 dev_err(info->dev, "%s check_var fail 2:\n"
2899                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2900                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2901                         info->fix.id,
2902                         var->xoffset,
2903                         var->xres,
2904                         var->xres_virtual,
2905                         var->yoffset, var->yres, var->yres_virtual);
2906                 return -EINVAL;
2907         }
2908
2909         return 0;
2910 }
2911
2912 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2913                           size_t count, loff_t *ppos)
2914 {
2915         unsigned long p = *ppos;
2916         u8 *buffer, *dst;
2917         u8 __iomem *src;
2918         int c, cnt = 0, err = 0;
2919         unsigned long total_size;
2920         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2921         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2922         struct rk_lcdc_win *win = NULL;
2923         int win_id = 0;
2924
2925         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2926         if (win_id < 0)
2927                 return -ENODEV;
2928         else
2929                 win = dev_drv->win[win_id];
2930
2931         /* only read the current frame buffer */
2932         if (win->area[0].format == RGB565) {
2933                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2934         } else if ((win->area[0].format == YUV420) ||
2935                    (win->area[0].format == YUV420_NV21)) {
2936                 total_size =
2937                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2938         } else {
2939                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2940         }
2941         if (p >= total_size)
2942                 return 0;
2943
2944         if (count >= total_size)
2945                 count = total_size;
2946
2947         if (count + p > total_size)
2948                 count = total_size - p;
2949
2950         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2951         if (!buffer)
2952                 return -ENOMEM;
2953
2954         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2955
2956         while (count) {
2957                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2958                 dst = buffer;
2959                 fb_memcpy_fromfb(dst, src, c);
2960                 dst += c;
2961                 src += c;
2962
2963                 if (copy_to_user(buf, buffer, c)) {
2964                         err = -EFAULT;
2965                         break;
2966                 }
2967                 *ppos += c;
2968                 buf += c;
2969                 cnt += c;
2970                 count -= c;
2971         }
2972
2973         kfree(buffer);
2974
2975         return (err) ? err : cnt;
2976 }
2977
2978 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2979                            size_t count, loff_t *ppos)
2980 {
2981         unsigned long p = *ppos;
2982         u8 *buffer, *src;
2983         u8 __iomem *dst;
2984         int c, cnt = 0, err = 0;
2985         unsigned long total_size;
2986         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2987         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2988         struct rk_lcdc_win *win = NULL;
2989         int win_id = 0;
2990
2991         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2992         if (win_id < 0)
2993                 return -ENODEV;
2994         else
2995                 win = dev_drv->win[win_id];
2996
2997         /* write the current frame buffer */
2998         if (win->area[0].format == RGB565)
2999                 total_size = win->area[0].xact * win->area[0].yact << 1;
3000         else
3001                 total_size = win->area[0].xact * win->area[0].yact << 2;
3002
3003         if (p > total_size)
3004                 return -EFBIG;
3005
3006         if (count > total_size) {
3007                 err = -EFBIG;
3008                 count = total_size;
3009         }
3010
3011         if (count + p > total_size) {
3012                 if (!err)
3013                         err = -ENOSPC;
3014
3015                 count = total_size - p;
3016         }
3017
3018         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3019         if (!buffer)
3020                 return -ENOMEM;
3021
3022         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3023
3024         while (count) {
3025                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3026                 src = buffer;
3027
3028                 if (copy_from_user(src, buf, c)) {
3029                         err = -EFAULT;
3030                         break;
3031                 }
3032
3033                 fb_memcpy_tofb(dst, src, c);
3034                 dst += c;
3035                 src += c;
3036                 *ppos += c;
3037                 buf += c;
3038                 cnt += c;
3039                 count -= c;
3040         }
3041
3042         kfree(buffer);
3043
3044         return (cnt) ? cnt : err;
3045 }
3046
3047 static int rk_fb_set_par(struct fb_info *info)
3048 {
3049         struct fb_var_screeninfo *var = &info->var;
3050         struct fb_fix_screeninfo *fix = &info->fix;
3051         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3052         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3053         struct rk_lcdc_win *win = NULL;
3054         struct rk_screen *screen = dev_drv->cur_screen;
3055         int win_id = 0;
3056         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3057         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3058         u32 yoffset = var->yoffset;
3059         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3060         u16 ypos = (var->nonstd >> 20) & 0xfff;
3061         u32 xvir = var->xres_virtual;
3062         u8 data_format = var->nonstd & 0xff;
3063         u8 fb_data_fmt;
3064         u8 pixel_width;
3065         u32 vir_width_bit;
3066         u32 stride, uv_stride;
3067         u32 stride_32bit_1;
3068         u32 stride_32bit_2;
3069         u16 uv_x_off, uv_y_off, uv_y_act;
3070         u8 is_pic_yuv = 0;
3071         /*var->pixclock = dev_drv->pixclock;*/
3072         if (dev_drv->suspend_flag)
3073                 return 0;
3074         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3075         if (win_id < 0)
3076                 return -ENODEV;
3077         else
3078                 win = dev_drv->win[win_id];
3079
3080         /* if the application has specific the hor and ver display size */
3081         if (var->grayscale >> 8) {
3082                 xsize = (var->grayscale >> 8) & 0xfff;
3083                 ysize = (var->grayscale >> 20) & 0xfff;
3084                 if (xsize > screen->mode.xres)
3085                         xsize = screen->mode.xres;
3086                 if (ysize > screen->mode.yres)
3087                         ysize = screen->mode.yres;
3088         } else {                /*ohterwise  full  screen display */
3089                 xsize = screen->mode.xres;
3090                 ysize = screen->mode.yres;
3091         }
3092
3093         win->colorspace = CSC_FORMAT(data_format);
3094         data_format &= ~CSC_MASK;
3095         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3096         if (IS_FBDC_FMT(fb_data_fmt)) {
3097                 win->area[0].fbdc_en = 1;
3098                 win->area[0].fbdc_cor_en = 1;
3099         } else {
3100                 win->area[0].fbdc_en = 0;
3101                 win->area[0].fbdc_cor_en = 0;
3102         }
3103         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3104         vir_width_bit = pixel_width * xvir;
3105         /* pixel_width = byte_num * 8 */
3106         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3107         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3108
3109         switch (fb_data_fmt) {
3110         case YUV422:
3111         case YUV422_A:
3112                 is_pic_yuv = 1;
3113                 stride = stride_32bit_1;
3114                 uv_stride = stride_32bit_1;
3115                 uv_x_off = xoffset;
3116                 uv_y_off = yoffset;
3117                 fix->line_length = stride;
3118                 uv_y_act = win->area[0].yact >> 1;
3119                 break;
3120         case YUV420:            /* nv12 */
3121         case YUV420_NV21:       /* nv21 */
3122         case YUV420_A:
3123                 is_pic_yuv = 1;
3124                 stride = stride_32bit_1;
3125                 uv_stride = stride_32bit_1;
3126                 uv_x_off = xoffset;
3127                 uv_y_off = yoffset >> 1;
3128                 fix->line_length = stride;
3129                 uv_y_act = win->area[0].yact >> 1;
3130                 break;
3131         case YUV444:
3132         case YUV444_A:
3133                 is_pic_yuv = 1;
3134                 stride = stride_32bit_1;
3135                 uv_stride = stride_32bit_2;
3136                 uv_x_off = xoffset * 2;
3137                 uv_y_off = yoffset;
3138                 fix->line_length = stride << 2;
3139                 uv_y_act = win->area[0].yact;
3140                 break;
3141         default:
3142                 stride = stride_32bit_1;        /* default rgb */
3143                 fix->line_length = stride;
3144                 break;
3145         }
3146
3147         win->area[0].format = fb_data_fmt;
3148         win->area[0].y_vir_stride = stride >> 2;
3149         win->area[0].uv_vir_stride = uv_stride >> 2;
3150         win->area[0].xpos = xpos;
3151         win->area[0].ypos = ypos;
3152         win->area[0].xsize = xsize;
3153         win->area[0].ysize = ysize;
3154         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3155         win->area[0].yact = var->yres;
3156         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3157         win->area[0].yvir = var->yres_virtual;
3158         win->area[0].xoff = xoffset;
3159         win->area[0].yoff = yoffset;
3160         win->state = 1;
3161         win->last_state = 1;
3162
3163         win->area_num = 1;
3164         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3165         win->alpha_en = ((win->area[0].format == ARGB888) ||
3166                          (win->area[0].format == FBDC_ARGB_888) ||
3167                          (win->area[0].format == FBDC_ABGR_888) ||
3168                          (win->area[0].format == ABGR888)) ? 1 : 0;
3169         win->g_alpha_val = 0;
3170
3171         dev_drv->ops->set_par(dev_drv, win_id);
3172
3173         return 0;
3174 }
3175
3176 static inline unsigned int chan_to_field(unsigned int chan,
3177                                          struct fb_bitfield *bf)
3178 {
3179         chan &= 0xffff;
3180         chan >>= 16 - bf->length;
3181         return chan << bf->offset;
3182 }
3183
3184 static int fb_setcolreg(unsigned regno,
3185                         unsigned red, unsigned green, unsigned blue,
3186                         unsigned transp, struct fb_info *info)
3187 {
3188         unsigned int val;
3189
3190         switch (info->fix.visual) {
3191         case FB_VISUAL_TRUECOLOR:
3192                 /* true-colour, use pseudo-palette */
3193                 if (regno < 16) {
3194                         u32 *pal = info->pseudo_palette;
3195                         val = chan_to_field(red, &info->var.red);
3196                         val |= chan_to_field(green, &info->var.green);
3197                         val |= chan_to_field(blue, &info->var.blue);
3198                         pal[regno] = val;
3199                 }
3200                 break;
3201         default:
3202                 return -1;      /* unknown type */
3203         }
3204
3205         return 0;
3206 }
3207
3208 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3209 {
3210         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3211         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3212         struct ion_handle *handle = fb_par->ion_hdl;
3213         struct dma_buf *dma_buf = NULL;
3214
3215         if (IS_ERR_OR_NULL(handle)) {
3216                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3217                         PTR_ERR(handle));
3218                 return -ENOMEM;
3219         }
3220         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3221         if (IS_ERR_OR_NULL(dma_buf)) {
3222                 pr_info("get ion share dma buf failed\n");
3223                 return -ENOMEM;
3224         }
3225
3226         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3227
3228         return dma_buf_mmap(dma_buf, vma, 0);
3229 }
3230
3231 static struct fb_ops fb_ops = {
3232         .owner = THIS_MODULE,
3233         .fb_open = rk_fb_open,
3234         .fb_release = rk_fb_close,
3235         .fb_check_var = rk_fb_check_var,
3236         .fb_set_par = rk_fb_set_par,
3237         .fb_blank = rk_fb_blank,
3238         .fb_ioctl = rk_fb_ioctl,
3239         .fb_compat_ioctl = rk_fb_ioctl,
3240         .fb_pan_display = rk_fb_pan_display,
3241         .fb_read = rk_fb_read,
3242         .fb_write = rk_fb_write,
3243         .fb_setcolreg = fb_setcolreg,
3244         .fb_fillrect = cfb_fillrect,
3245         .fb_copyarea = cfb_copyarea,
3246         .fb_imageblit = cfb_imageblit,
3247 };
3248
3249 static struct fb_var_screeninfo def_var = {
3250 #if defined(CONFIG_LOGO_LINUX_BMP)
3251         .red = {16, 8, 0},
3252         .green = {8, 8, 0},
3253         .blue = {0, 8, 0},
3254         .transp = {0, 0, 0},
3255         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3256 #else
3257         .red = {11, 5, 0},
3258         .green = {5, 6, 0},
3259         .blue = {0, 5, 0},
3260         .transp = {0, 0, 0},
3261         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3262 #endif
3263         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3264         .activate = FB_ACTIVATE_NOW,
3265         .accel_flags = 0,
3266         .vmode = FB_VMODE_NONINTERLACED,
3267 };
3268
3269 static struct fb_fix_screeninfo def_fix = {
3270         .type = FB_TYPE_PACKED_PIXELS,
3271         .type_aux = 0,
3272         .xpanstep = 1,
3273         .ypanstep = 1,
3274         .ywrapstep = 0,
3275         .accel = FB_ACCEL_NONE,
3276         .visual = FB_VISUAL_TRUECOLOR,
3277
3278 };
3279
3280 static int rk_fb_wait_for_vsync_thread(void *data)
3281 {
3282         struct rk_lcdc_driver *dev_drv = data;
3283         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3284         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3285
3286         while (!kthread_should_stop()) {
3287                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3288                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3289                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3290                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3291
3292                 if (!ret)
3293                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3294         }
3295
3296         return 0;
3297 }
3298
3299 static ssize_t rk_fb_vsync_show(struct device *dev,
3300                                 struct device_attribute *attr, char *buf)
3301 {
3302         struct fb_info *fbi = dev_get_drvdata(dev);
3303         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3304         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3305
3306         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3307                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3308 }
3309
3310 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3311
3312 /*
3313  * this two function is for other module that in the kernel which
3314  * need show image directly through fb
3315  * fb_id:we have 4 fb here,default we use fb0 for ui display
3316  */
3317 struct fb_info *rk_get_fb(int fb_id)
3318 {
3319         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3320         struct fb_info *fb = inf->fb[fb_id];
3321         return fb;
3322 }
3323 EXPORT_SYMBOL(rk_get_fb);
3324
3325 void rk_direct_fb_show(struct fb_info *fbi)
3326 {
3327         rk_fb_set_par(fbi);
3328         rk_fb_pan_display(&fbi->var, fbi);
3329 }
3330 EXPORT_SYMBOL(rk_direct_fb_show);
3331
3332 int rk_fb_dpi_open(bool open)
3333 {
3334         struct rk_lcdc_driver *dev_drv = NULL;
3335
3336         dev_drv = rk_get_prmry_lcdc_drv();
3337         if (dev_drv->ops->dpi_open)
3338                 dev_drv->ops->dpi_open(dev_drv, open);
3339         return 0;
3340 }
3341
3342 int rk_fb_dpi_win_sel(int win_id)
3343 {
3344         struct rk_lcdc_driver *dev_drv = NULL;
3345
3346         dev_drv = rk_get_prmry_lcdc_drv();
3347         if (dev_drv->ops->dpi_win_sel)
3348                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3349         return 0;
3350 }
3351
3352 int rk_fb_dpi_status(void)
3353 {
3354         int ret = 0;
3355         struct rk_lcdc_driver *dev_drv = NULL;
3356
3357         dev_drv = rk_get_prmry_lcdc_drv();
3358         if (dev_drv->ops->dpi_status)
3359                 ret = dev_drv->ops->dpi_status(dev_drv);
3360
3361         return ret;
3362 }
3363
3364 /*
3365  * function: this function will be called by display device, enable/disable lcdc
3366  * @screen: screen timing to be set to lcdc
3367  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3368  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3369  */
3370 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3371 {
3372         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3373         struct fb_info *info = NULL;
3374         struct rk_fb_par *fb_par = NULL;
3375         struct rk_lcdc_driver *dev_drv = NULL;
3376         struct rk_lcdc_win *win;
3377         char name[6] = {0};
3378         int i, win_id;
3379         static bool load_screen;
3380         char *envp[4];
3381         char envplcdc[32];
3382         char envpfbdev[32];
3383         int ret, list_is_empty = 0;
3384
3385         if (unlikely(!rk_fb) || unlikely(!screen))
3386                 return -ENODEV;
3387
3388         /* get lcdc driver */
3389         sprintf(name, "lcdc%d", lcdc_id);
3390         dev_drv = rk_get_lcdc_drv(name);
3391
3392         if (dev_drv == NULL) {
3393                 pr_err("%s driver not found!", name);
3394                 return -ENODEV;
3395         }
3396         if (screen->type == SCREEN_HDMI)
3397                 pr_info("hdmi %s lcdc%d\n",
3398                         enable ? "connect to" : "remove from",
3399                         dev_drv->id);
3400         else if (screen->type == SCREEN_TVOUT ||
3401                  screen->type == SCREEN_TVOUT_TEST)
3402                 pr_info("cvbs %s lcdc%d\n",
3403                         enable ? "connect to" : "remove from",
3404                         dev_drv->id);
3405         if (enable == 2 /*&& dev_drv->enable*/)
3406                 return 0;
3407         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3408                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3409
3410         mutex_lock(&dev_drv->switch_screen);
3411         hdmi_switch_state = 0;
3412         dev_drv->hdmi_switch = 1;
3413         if (!dev_drv->uboot_logo) {
3414                 mdelay(200);
3415                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3416                                            list_empty(&dev_drv->saved_list);
3417                 if (!list_is_empty) {
3418                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3419                                                  list_empty(&dev_drv->update_regs_list) &&
3420                                                  list_empty(&dev_drv->saved_list),
3421                                                  msecs_to_jiffies(60));
3422                         if (ret <= 0)
3423                                 pr_info("%s: wait update_regs_wait timeout\n",
3424                                         __func__);
3425                 }
3426         }
3427
3428         envp[0] = "switch screen";
3429         memset(envplcdc, 0, sizeof(envplcdc));
3430         memset(envpfbdev, 0, sizeof(envpfbdev));
3431         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3432         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3433         envp[1] = envplcdc;
3434         envp[2] = envpfbdev;
3435         envp[3] = NULL;
3436
3437         if ((rk_fb->disp_mode == ONE_DUAL) ||
3438             (rk_fb->disp_mode == NO_DUAL)) {
3439                 if ((dev_drv->ops->backlight_close) &&
3440                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3441                         dev_drv->ops->backlight_close(dev_drv, 1);
3442                 if (!dev_drv->uboot_logo || load_screen ||
3443                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3444                         if (dev_drv->ops->dsp_black)
3445                                 dev_drv->ops->dsp_black(dev_drv, 0);
3446                 }
3447                 if ((dev_drv->ops->set_screen_scaler) &&
3448                     (rk_fb->disp_mode == ONE_DUAL))
3449                         dev_drv->ops->set_screen_scaler(dev_drv,
3450                                                         dev_drv->screen0, 0);
3451         }
3452         if (!enable) {
3453                 /* if screen type is different, we do not disable lcdc. */
3454                 if (dev_drv->cur_screen->type != screen->type) {
3455                         dev_drv->hdmi_switch = 0;
3456                         mutex_unlock(&dev_drv->switch_screen);
3457                         return 0;
3458                 }
3459
3460                 /* if used one lcdc to dual disp, no need to close win */
3461                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3462                     ((rk_fb->disp_mode == NO_DUAL) &&
3463                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3464                         dev_drv->cur_screen = dev_drv->screen0;
3465                         dev_drv->ops->load_screen(dev_drv, 1);
3466                         /* force modify dsp size */
3467                         info = rk_fb->fb[dev_drv->fb_index_base];
3468                         info->var.grayscale &= 0xff;
3469                         info->var.grayscale |=
3470                                 (dev_drv->cur_screen->mode.xres << 8) +
3471                                 (dev_drv->cur_screen->mode.yres << 20);
3472                         mutex_lock(&dev_drv->win_config);
3473                         info->var.xoffset = 0;
3474                         info->var.yoffset = 0;
3475                         info->fbops->fb_set_par(info);
3476                         info->fbops->fb_pan_display(&info->var, info);
3477                         mutex_unlock(&dev_drv->win_config);
3478
3479                         /*
3480                          * if currently is loader display, black until new
3481                          * display job.
3482                          */
3483                         if (dev_drv->uboot_logo) {
3484                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3485                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3486                                             dev_drv->ops->win_direct_en)
3487                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3488                                 }
3489                         }
3490
3491                         /*if (dev_drv->ops->dsp_black)
3492                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3493                          */
3494                         if ((dev_drv->ops->backlight_close) &&
3495                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3496                                 dev_drv->ops->backlight_close(dev_drv, 0);
3497                 } else if (rk_fb->num_lcdc > 1) {
3498                         /* If there is more than one lcdc device, we disable
3499                          *  the layer which attached to this device
3500                          */
3501                         dev_drv->suspend_flag = 1;
3502                         flush_kthread_worker(&dev_drv->update_regs_worker);
3503                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3504                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3505                                         dev_drv->ops->open(dev_drv, i, 0);
3506                         }
3507                 }
3508                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3509
3510                 hdmi_switch_state = 0;
3511                 dev_drv->hdmi_switch = 0;
3512                 mutex_unlock(&dev_drv->switch_screen);
3513                 return 0;
3514         } else {
3515                 if (dev_drv->uboot_logo) {
3516                         if (dev_drv->cur_screen->mode.xres !=
3517                                 screen->mode.xres ||
3518                             dev_drv->cur_screen->mode.yres !=
3519                                 screen->mode.yres)
3520                                 load_screen = 1;
3521                 }
3522                 if (dev_drv->screen1)
3523                         dev_drv->cur_screen = dev_drv->screen1;
3524
3525                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3526                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3527                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3528                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3529                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3530         }
3531         if (!dev_drv->uboot_logo || load_screen ||
3532             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3533                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3534                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3535                         fb_par = (struct rk_fb_par *)info->par;
3536                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3537                         win = dev_drv->win[win_id];
3538                         if (win && fb_par->state) {
3539                                 dev_drv->ops->load_screen(dev_drv, 1);
3540
3541                                 info->var.activate |= FB_ACTIVATE_FORCE;
3542                                 if (rk_fb->disp_mode == ONE_DUAL) {
3543                                         info->var.grayscale &= 0xff;
3544                                         info->var.grayscale |=
3545                                                 (dev_drv->cur_screen->xsize << 8) +
3546                                                 (dev_drv->cur_screen->ysize << 20);
3547                                 }
3548                                 if (dev_drv->uboot_logo && win->state) {
3549                                         if (win->area[0].xpos ||
3550                                             win->area[0].ypos) {
3551                                                 win->area[0].xpos =
3552                                                         (screen->mode.xres -
3553                                                          win->area[0].xsize) / 2;
3554                                                 win->area[0].ypos =
3555                                                         (screen->mode.yres -
3556                                                          win->area[0].ysize) / 2;
3557                                         } else {
3558                                                 win->area[0].xsize =
3559                                                         screen->mode.xres;
3560                                                 win->area[0].ysize =
3561                                                         screen->mode.yres;
3562                                         }
3563                                         dev_drv->ops->set_par(dev_drv, i);
3564                                         dev_drv->ops->cfg_done(dev_drv);
3565                                 } else if (!dev_drv->win[win_id]->state) {
3566                                         dev_drv->ops->open(dev_drv, win_id, 1);
3567                                         dev_drv->suspend_flag = 0;
3568                                         mutex_lock(&dev_drv->win_config);
3569                                         info->var.xoffset = 0;
3570                                         info->var.yoffset = 0;
3571                                         info->fbops->fb_set_par(info);
3572                                         info->fbops->fb_pan_display(&info->var,
3573                                                                     info);
3574                                         mutex_unlock(&dev_drv->win_config);
3575                                 }
3576                         }
3577                 }
3578         } else {
3579                 dev_drv->ops->load_screen(dev_drv, 0);
3580         }
3581         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3582
3583         hdmi_switch_state = 1;
3584         load_screen = true;
3585         dev_drv->hdmi_switch = 0;
3586         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3587                 if ((dev_drv->ops->set_screen_scaler) &&
3588                     (rk_fb->disp_mode == ONE_DUAL))
3589                         dev_drv->ops->set_screen_scaler(dev_drv,
3590                                                         dev_drv->screen0, 1);
3591                 /*if (dev_drv->ops->dsp_black)
3592                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3593                 if ((dev_drv->ops->backlight_close) &&
3594                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3595                     (rk_fb->disp_mode == ONE_DUAL))
3596                         dev_drv->ops->backlight_close(dev_drv, 0);
3597         }
3598         mutex_unlock(&dev_drv->switch_screen);
3599         return 0;
3600 }
3601
3602 /*
3603  * function:this function current only called by hdmi for
3604  *      scale the display
3605  * scale_x: scale rate of x resolution
3606  * scale_y: scale rate of y resolution
3607  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3608  */
3609 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3610 {
3611         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3612         struct fb_info *info = NULL;
3613         struct fb_info *pmy_info = NULL;
3614         struct fb_var_screeninfo *var = NULL;
3615         struct rk_lcdc_driver *dev_drv = NULL;
3616         u16 screen_x, screen_y;
3617         u16 xpos, ypos;
3618         char name[6];
3619         struct rk_screen primary_screen;
3620
3621         rk_fb_get_prmry_screen(&primary_screen);
3622         if (primary_screen.type == SCREEN_HDMI)
3623                 return 0;
3624
3625         pr_err("should not be here--%s\n", __func__);
3626
3627         return 0;
3628         sprintf(name, "lcdc%d", lcdc_id);
3629
3630         if (inf->disp_mode == DUAL) {
3631                 dev_drv = rk_get_lcdc_drv(name);
3632                 if (!dev_drv) {
3633                         pr_err("%s driver not found!", name);
3634                         return -ENODEV;
3635                 }
3636         } else {
3637                 dev_drv = inf->lcdc_dev_drv[0];
3638         }
3639
3640         if (inf->num_lcdc == 1) {
3641                 info = inf->fb[0];
3642         } else if (inf->num_lcdc == 2) {
3643                 info = inf->fb[dev_drv->lcdc_win_num];
3644                 pmy_info = inf->fb[0];
3645         }
3646
3647         var = &info->var;
3648         screen_x = dev_drv->cur_screen->mode.xres;
3649         screen_y = dev_drv->cur_screen->mode.yres;
3650
3651         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3652                 dev_drv->cur_screen->xpos =
3653                     (screen_x - screen_x * scale_x / 100) >> 1;
3654                 dev_drv->cur_screen->ypos =
3655                     (screen_y - screen_y * scale_y / 100) >> 1;
3656                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3657                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3658         } else {
3659                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3660                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3661                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3662                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3663                 if (inf->disp_mode == ONE_DUAL) {
3664                         var->nonstd &= 0xff;
3665                         var->nonstd |= (xpos << 8) + (ypos << 20);
3666                         var->grayscale &= 0xff;
3667                         var->grayscale |=
3668                                 (dev_drv->cur_screen->xsize << 8) +
3669                                 (dev_drv->cur_screen->ysize << 20);
3670                 }
3671         }
3672
3673         mutex_lock(&dev_drv->win_config);
3674         info->fbops->fb_set_par(info);
3675         dev_drv->ops->cfg_done(dev_drv);
3676         mutex_unlock(&dev_drv->win_config);
3677
3678         return 0;
3679 }
3680
3681 #if defined(CONFIG_ION_ROCKCHIP)
3682 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3683                                      struct rk_lcdc_win *win,
3684                                      unsigned long fb_mem_size)
3685 {
3686         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3687         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3688         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3689         struct ion_handle *handle;
3690         ion_phys_addr_t phy_addr;
3691         size_t len;
3692         int ret = 0;
3693
3694         if (dev_drv->iommu_enabled)
3695                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3696                                    ION_HEAP_SYSTEM_MASK, 0);
3697         else
3698                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3699                                    ION_HEAP_TYPE_DMA_MASK, 0);
3700         if (IS_ERR(handle)) {
3701                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3702                         PTR_ERR(handle));
3703                 return -ENOMEM;
3704         }
3705
3706         fb_par->ion_hdl = handle;
3707         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3708         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3709                 pr_info("ion_share_dma_buf() failed\n");
3710                 goto err_share_dma_buf;
3711         }
3712         win->area[0].ion_hdl = handle;
3713         if (dev_drv->prop == PRMRY)
3714                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3715 #ifdef CONFIG_RK_IOMMU
3716         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3717                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3718                                     (unsigned long *)&phy_addr,
3719                                     (unsigned long *)&len);
3720         else
3721                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3722 #else
3723         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3724 #endif
3725         if (ret < 0) {
3726                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3727                 goto err_share_dma_buf;
3728         }
3729         fbi->fix.smem_start = phy_addr;
3730         fbi->fix.smem_len = len;
3731         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3732         return 0;
3733
3734 err_share_dma_buf:
3735         ion_free(rk_fb->ion_client, handle);
3736         return -ENOMEM;
3737 }
3738 #endif
3739
3740 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3741 {
3742         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3743         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3744         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3745         struct rk_lcdc_win *win = NULL;
3746         int win_id;
3747         int ret = 0;
3748         unsigned long fb_mem_size;
3749 #if !defined(CONFIG_ION_ROCKCHIP)
3750         dma_addr_t fb_mem_phys;
3751         void *fb_mem_virt;
3752 #endif
3753         ion_phys_addr_t phy_addr;
3754         size_t len;
3755
3756         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3757         if (win_id < 0)
3758                 return -ENODEV;
3759         else
3760                 win = dev_drv->win[win_id];
3761
3762         if (!strcmp(fbi->fix.id, "fb0")) {
3763                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3764 #if defined(CONFIG_ION_ROCKCHIP)
3765                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3766                         return -ENOMEM;
3767 #else
3768                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3769                                                      &fb_mem_phys, GFP_KERNEL);
3770                 if (!fb_mem_virt) {
3771                         pr_err("%s: Failed to allocate framebuffer\n",
3772                                __func__);
3773                         return -ENOMEM;
3774                 }
3775                 fbi->fix.smem_len = fb_mem_size;
3776                 fbi->fix.smem_start = fb_mem_phys;
3777                 fbi->screen_base = fb_mem_virt;
3778 #endif
3779                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3780         } else {
3781                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3782                         struct rk_lcdc_driver *dev_drv_prmry;
3783                         int win_id_prmry;
3784
3785                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3786 #if defined(CONFIG_ION_ROCKCHIP)
3787                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3788                         if (dev_drv_prmry == NULL)
3789                                 return -ENODEV;
3790                         win_id_prmry =
3791                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3792                                                                  fbi->fix.id);
3793                         if (win_id_prmry < 0)
3794                                 return -ENODEV;
3795                         else
3796                                 fb_par->ion_hdl =
3797                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3798                                 fbi->screen_base =
3799                                         ion_map_kernel(rk_fb->ion_client,
3800                                                        fb_par->ion_hdl);
3801                                 dev_drv->win[win_id]->area[0].ion_hdl =
3802                                         fb_par->ion_hdl;
3803 #ifdef CONFIG_RK_IOMMU
3804                                 if (dev_drv->mmu_dev)
3805                                         ret = ion_map_iommu(dev_drv->dev,
3806                                                             rk_fb->ion_client,
3807                                                             fb_par->ion_hdl,
3808                                                             (unsigned long *)&phy_addr,
3809                                                             (unsigned long *)&len);
3810                                 else
3811                                         ret = ion_phys(rk_fb->ion_client,
3812                                                        fb_par->ion_hdl,
3813                                                        &phy_addr, &len);
3814 #endif
3815                                 if (ret < 0) {
3816                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3817                                         return -ENOMEM;
3818                                 }
3819                                 fbi->fix.smem_start = phy_addr;
3820                                 fbi->fix.smem_len = len;
3821 #else
3822                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3823                                                              fb_mem_size,
3824                                                              &fb_mem_phys,
3825                                                              GFP_KERNEL);
3826                         if (!fb_mem_virt) {
3827                                 pr_err("%s: Failed to allocate framebuffer\n",
3828                                        __func__);
3829                                 return -ENOMEM;
3830                         }
3831                         fbi->fix.smem_len = fb_mem_size;
3832                         fbi->fix.smem_start = fb_mem_phys;
3833                         fbi->screen_base = fb_mem_virt;
3834 #endif
3835                 } else {
3836                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3837                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3838                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3839                 }
3840         }
3841
3842         fbi->screen_size = fbi->fix.smem_len;
3843         fb_par->fb_phy_base = fbi->fix.smem_start;
3844         fb_par->fb_virt_base = fbi->screen_base;
3845         fb_par->fb_size = fbi->fix.smem_len;
3846
3847         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3848                        fbi->fix.smem_start, fbi->screen_base,
3849                        fbi->fix.smem_len);
3850         return ret;
3851 }
3852
3853 #if 0
3854 static int rk_release_fb_buffer(struct fb_info *fbi)
3855 {
3856         /* buffer for fb1 and fb3 are alloc by android */
3857         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3858                 return 0;
3859         iounmap(fbi->screen_base);
3860         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3861         return 0;
3862 }
3863 #endif
3864
3865 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3866                          struct rk_lcdc_win *def_win)
3867 {
3868         int i;
3869         int lcdc_win_num = dev_drv->lcdc_win_num;
3870
3871         for (i = 0; i < lcdc_win_num; i++) {
3872                 struct rk_lcdc_win *win = NULL;
3873
3874                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3875                 if (!win) {
3876                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3877                         return -ENOMEM;
3878                 }
3879
3880                 strcpy(win->name, def_win[i].name);
3881                 win->id = def_win[i].id;
3882                 win->support_3d = def_win[i].support_3d;
3883                 dev_drv->win[i] = win;
3884         }
3885
3886         return 0;
3887 }
3888
3889 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3890                                    struct rk_lcdc_win *def_win, int index)
3891 {
3892         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3893         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3894                                                 sizeof(struct rk_screen),
3895                                                 GFP_KERNEL);
3896         int i = 0;
3897
3898         if (!screen) {
3899                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3900                         dev_drv->id);
3901                 return -ENOMEM;
3902         }
3903
3904         screen->screen_id = 0;
3905         screen->lcdc_id = dev_drv->id;
3906         screen->overscan.left = 100;
3907         screen->overscan.top = 100;
3908         screen->overscan.right = 100;
3909         screen->overscan.bottom = 100;
3910
3911         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3912         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3913
3914         dev_drv->screen0 = screen;
3915         dev_drv->cur_screen = screen;
3916         /* devie use one lcdc + rk61x scaler for dual display */
3917         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3918                 struct rk_screen *screen1 =
3919                                 devm_kzalloc(dev_drv->dev,
3920                                              sizeof(struct rk_screen),
3921                                              GFP_KERNEL);
3922                 if (!screen1) {
3923                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3924                                 dev_drv->id);
3925                         return -ENOMEM;
3926                 }
3927                 screen1->screen_id = 1;
3928                 screen1->lcdc_id = 1;
3929                 dev_drv->screen1 = screen1;
3930         }
3931         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3932         init_lcdc_win(dev_drv, def_win);
3933         init_completion(&dev_drv->frame_done);
3934         spin_lock_init(&dev_drv->cpl_lock);
3935         mutex_init(&dev_drv->fb_win_id_mutex);
3936         mutex_init(&dev_drv->win_config);
3937         mutex_init(&dev_drv->front_lock);
3938         mutex_init(&dev_drv->switch_screen);
3939         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3940         dev_drv->first_frame = 1;
3941         dev_drv->overscan.left = 100;
3942         dev_drv->overscan.top = 100;
3943         dev_drv->overscan.right = 100;
3944         dev_drv->overscan.bottom = 100;
3945         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3946                 dev_drv->area_support[i] = 1;
3947         if (dev_drv->ops->area_support_num)
3948                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3949         rk_disp_pwr_ctr_parse_dt(dev_drv);
3950         if (dev_drv->prop == PRMRY) {
3951                 rk_fb_set_prmry_screen(screen);
3952                 rk_fb_get_prmry_screen(screen);
3953         }
3954         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3955         if (dev_drv->prop != PRMRY)
3956                 rk_fb_get_extern_screen(screen);
3957         dev_drv->output_color = screen->color_mode;
3958
3959         return 0;
3960 }
3961
3962 #ifdef CONFIG_LOGO_LINUX_BMP
3963 static struct linux_logo *bmp_logo;
3964 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3965 {
3966         bmp_logo = fb_find_logo(24);
3967         if (bmp_logo == NULL) {
3968                 pr_info("%s error\n", __func__);
3969                 return 0;
3970         }
3971         return 1;
3972 }
3973
3974 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3975 {
3976         unsigned char *src = bmp_logo->data;
3977         unsigned char *dst = info->screen_base;
3978         int i;
3979         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3980         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3981
3982         for (i = 0; i < Needheight; i++)
3983                 memcpy(dst + info->var.xres * i * 4,
3984                        src + bmp_logo->width * i * 4, Needwidth * 4);
3985 }
3986 #endif
3987
3988 /*
3989  * check if the primary lcdc has registered,
3990  * the primary lcdc mas register first
3991  */
3992 bool is_prmry_rk_lcdc_registered(void)
3993 {
3994         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3995
3996         if (rk_fb->lcdc_dev_drv[0])
3997                 return true;
3998         else
3999                 return false;
4000 }
4001
4002 __weak phys_addr_t uboot_logo_base;
4003 __weak phys_addr_t uboot_logo_size;
4004 __weak phys_addr_t uboot_logo_offset;
4005
4006 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4007                    struct rk_lcdc_win *win, int id)
4008 {
4009         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4010         struct fb_info *fbi;
4011         struct rk_fb_par *fb_par = NULL;
4012         int i = 0, ret = 0, index = 0;
4013         unsigned long flags;
4014
4015         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4016                 return -ENXIO;
4017
4018         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4019                 if (!rk_fb->lcdc_dev_drv[i]) {
4020                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4021                         rk_fb->lcdc_dev_drv[i]->id = id;
4022                         rk_fb->num_lcdc++;
4023                         break;
4024                 }
4025         }
4026
4027         index = i;
4028         init_lcdc_device_driver(rk_fb, win, index);
4029         dev_drv->fb_index_base = rk_fb->num_fb;
4030         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4031                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4032                 if (!fbi) {
4033                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4034                         ret = -ENOMEM;
4035                 }
4036                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4037                                       GFP_KERNEL);
4038                 if (!fb_par) {
4039                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4040                                 rk_fb->num_fb);
4041                         return -ENOMEM;
4042                 }
4043                 fb_par->id = rk_fb->num_fb;
4044                 fb_par->lcdc_drv = dev_drv;
4045                 fbi->par = (void *)fb_par;
4046                 fbi->var = def_var;
4047                 fbi->fix = def_fix;
4048                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4049                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4050                 fbi->var.grayscale |=
4051                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4052 #if defined(CONFIG_LOGO_LINUX_BMP)
4053                 fbi->var.bits_per_pixel = 32;
4054 #else
4055                 fbi->var.bits_per_pixel = 16;
4056 #endif
4057                 fbi->fix.line_length =
4058                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4059                 fbi->var.width = dev_drv->cur_screen->width;
4060                 fbi->var.height = dev_drv->cur_screen->height;
4061                 if (dev_drv->iommu_enabled)
4062                         fb_ops.fb_mmap = rk_fb_mmap;
4063                 fbi->fbops = &fb_ops;
4064                 fbi->flags = FBINFO_FLAG_DEFAULT;
4065                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4066                 ret = register_framebuffer(fbi);
4067                 if (ret < 0) {
4068                         dev_err(&fb_pdev->dev,
4069                                 "%s fb%d register_framebuffer fail!\n",
4070                                 __func__, rk_fb->num_fb);
4071                         return ret;
4072                 }
4073                 rkfb_create_sysfs(fbi);
4074                 rk_fb->fb[rk_fb->num_fb] = fbi;
4075                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4076                          fbi->fix.id);
4077                 rk_fb->num_fb++;
4078
4079                 if (i == 0) {
4080                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4081                         init_waitqueue_head(&dev_drv->update_regs_wait);
4082                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4083                         if (ret)
4084                                 dev_err(fbi->dev,
4085                                         "failed to create vsync file\n");
4086                         dev_drv->vsync_info.thread =
4087                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4088                                         "fb-vsync");
4089                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4090                                 dev_err(fbi->dev,
4091                                         "failed to run vsync thread\n");
4092                                 dev_drv->vsync_info.thread = NULL;
4093                         }
4094                         dev_drv->vsync_info.active = 1;
4095
4096                         mutex_init(&dev_drv->output_lock);
4097
4098                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4099                         mutex_init(&dev_drv->update_regs_list_lock);
4100                         init_kthread_worker(&dev_drv->update_regs_worker);
4101
4102                         dev_drv->update_regs_thread =
4103                             kthread_run(kthread_worker_fn,
4104                                         &dev_drv->update_regs_worker, "rk-fb");
4105                         if (IS_ERR(dev_drv->update_regs_thread)) {
4106                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4107
4108                                 dev_drv->update_regs_thread = NULL;
4109                                 pr_info("failed to run update_regs thread\n");
4110                                 return err;
4111                         }
4112                         init_kthread_work(&dev_drv->update_regs_work,
4113                                           rk_fb_update_regs_handler);
4114
4115                         dev_drv->timeline =
4116                             sw_sync_timeline_create("fb-timeline");
4117                         dev_drv->timeline_max = 1;
4118                 }
4119         }
4120
4121         /* show logo for primary display device */
4122 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4123         if (dev_drv->prop == PRMRY) {
4124                 u16 xact, yact;
4125                 int format;
4126                 u32 dsp_addr;
4127                 struct fb_info *main_fbi = rk_fb->fb[0];
4128
4129                 main_fbi->fbops->fb_open(main_fbi, 1);
4130                 main_fbi->var.pixclock = dev_drv->pixclock;
4131 #if defined(CONFIG_RK_IOMMU)
4132                 if (dev_drv->iommu_enabled) {
4133                         if (dev_drv->mmu_dev)
4134                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4135                                                 rk_fb_sysmmu_fault_handler);
4136                 }
4137 #endif
4138
4139                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4140                 dev_drv->uboot_logo = support_uboot_display();
4141
4142                 if (dev_drv->uboot_logo &&
4143                     uboot_logo_offset && uboot_logo_base) {
4144                         int width, height, bits;
4145                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4146                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4147                         unsigned int nr_pages;
4148                         int ymirror = 0;
4149                         struct page **pages;
4150                         char *vaddr;
4151                         int i = 0;
4152
4153                         if (dev_drv->ops->get_dspbuf_info)
4154                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4155                                         &yact, &format, &dsp_addr, &ymirror);
4156                         nr_pages = size >> PAGE_SHIFT;
4157                         pages = kzalloc(sizeof(struct page) * nr_pages,
4158                                         GFP_KERNEL);
4159                         while (i < nr_pages) {
4160                                 pages[i] = phys_to_page(start);
4161                                 start += PAGE_SIZE;
4162                                 i++;
4163                         }
4164                         vaddr = vmap(pages, nr_pages, VM_MAP,
4165                                      pgprot_writecombine(PAGE_KERNEL));
4166                         if (!vaddr) {
4167                                 pr_err("failed to vmap phy addr 0x%lx\n",
4168                                        (long)(uboot_logo_base +
4169                                        uboot_logo_offset));
4170                                 return -1;
4171                         }
4172
4173                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4174                                        &height, &bits)) {
4175                                 kfree(pages);
4176                                 vunmap(vaddr);
4177                                 return 0;
4178                         }
4179                         kfree(pages);
4180                         vunmap(vaddr);
4181                         if (dev_drv->uboot_logo &&
4182                             (width != xact || height != yact)) {
4183                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4184                                        xact, yact, width, height);
4185                                 return 0;
4186                         }
4187                         local_irq_save(flags);
4188                         if (dev_drv->ops->wait_frame_start)
4189                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4190                         if (dev_drv->ops->post_dspbuf) {
4191                                 dev_drv->ops->post_dspbuf(dev_drv,
4192                                         main_fbi->fix.smem_start,
4193                                         rk_fb_data_fmt(0, bits),
4194                                         width, height, width * bits >> 5,
4195                                         ymirror);
4196                         }
4197                         if (dev_drv->iommu_enabled) {
4198                                 rk_fb_poll_wait_frame_complete();
4199                                 if (dev_drv->ops->mmu_en)
4200                                         dev_drv->ops->mmu_en(dev_drv);
4201                                 freed_index = 0;
4202                         }
4203                         local_irq_restore(flags);
4204                         return 0;
4205                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4206                         u32 start = uboot_logo_base;
4207                         int logo_len, i=0;
4208                         int y_mirror = 0;
4209                         unsigned int nr_pages;
4210                         struct page **pages;
4211                         char *vaddr;
4212                         int align = 0;
4213
4214                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4215                                                       &yact, &format,
4216                                                       &start,
4217                                                       &y_mirror);
4218                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4219                         if (logo_len > uboot_logo_size ||
4220                             logo_len > main_fbi->fix.smem_len) {
4221                                 pr_err("logo size > uboot reserve buffer size\n");
4222                                 return -1;
4223                         }
4224                         if (y_mirror)
4225                                 start -= logo_len;
4226
4227                         align = start % PAGE_SIZE;
4228                         start -= align;
4229                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4230                         pages = kzalloc(sizeof(struct page) * nr_pages,
4231                                         GFP_KERNEL);
4232                         while (i < nr_pages) {
4233                                 pages[i] = phys_to_page(start);
4234                                 start += PAGE_SIZE;
4235                                 i++;
4236                         }
4237                         vaddr = vmap(pages, nr_pages, VM_MAP,
4238                                      pgprot_writecombine(PAGE_KERNEL));
4239                         if (!vaddr) {
4240                                 pr_err("failed to vmap phy addr 0x%x\n",
4241                                        start);
4242                                 return -1;
4243                         }
4244
4245                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4246
4247                         kfree(pages);
4248                         vunmap(vaddr);
4249                         local_irq_save(flags);
4250                         if (dev_drv->ops->wait_frame_start)
4251                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4252                         dev_drv->ops->post_dspbuf(dev_drv,
4253                                         main_fbi->fix.smem_start +
4254                                         (y_mirror ? logo_len : 0),
4255                                         format, xact, yact,
4256                                         xact * rk_fb_pixel_width(format) >> 5,
4257                                         y_mirror);
4258                         if (dev_drv->iommu_enabled) {
4259                                 rk_fb_poll_wait_frame_complete();
4260                                 if (dev_drv->ops->mmu_en)
4261                                         dev_drv->ops->mmu_en(dev_drv);
4262                                 freed_index = 0;
4263                         }
4264                         local_irq_restore(flags);
4265                         return 0;
4266                 } else {
4267                         if (dev_drv->iommu_enabled) {
4268                                 if (dev_drv->ops->mmu_en)
4269                                         dev_drv->ops->mmu_en(dev_drv);
4270                                 freed_index = 0;
4271                         }
4272                 }
4273 #if defined(CONFIG_LOGO)
4274                 main_fbi->fbops->fb_set_par(main_fbi);
4275 #if  defined(CONFIG_LOGO_LINUX_BMP)
4276                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4277                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4278                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4279                 }
4280 #else
4281                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4282                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4283                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4284                 }
4285 #endif
4286                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4287 #endif
4288         } else {
4289                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4290
4291                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4292                 extend_fbi->fbops->fb_open(extend_fbi, 1);
4293 #if defined(CONFIG_RK_IOMMU)
4294                 if (dev_drv->iommu_enabled) {
4295                         if (dev_drv->mmu_dev)
4296                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4297                                                                  rk_fb_sysmmu_fault_handler);
4298                 }
4299 #endif
4300                 rk_fb_alloc_buffer(extend_fbi);
4301         }
4302 #endif
4303         return 0;
4304 }
4305
4306 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4307 {
4308         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4309         struct fb_info *fbi;
4310         int fb_index_base = dev_drv->fb_index_base;
4311         int fb_num = dev_drv->lcdc_win_num;
4312         int i = 0;
4313
4314         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4315                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4316                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4317         }
4318
4319         for (i = 0; i < fb_num; i++)
4320                 kfree(dev_drv->win[i]);
4321
4322         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4323                 fbi = fb_inf->fb[i];
4324                 unregister_framebuffer(fbi);
4325                 /* rk_release_fb_buffer(fbi); */
4326                 framebuffer_release(fbi);
4327         }
4328         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4329         fb_inf->num_lcdc--;
4330
4331         return 0;
4332 }
4333
4334 static int rk_fb_probe(struct platform_device *pdev)
4335 {
4336         struct rk_fb *rk_fb = NULL;
4337         struct device_node *np = pdev->dev.of_node;
4338         u32 mode;
4339
4340         if (!np) {
4341                 dev_err(&pdev->dev, "Missing device tree node.\n");
4342                 return -EINVAL;
4343         }
4344
4345         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4346         if (!rk_fb) {
4347                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4348                 return -ENOMEM;
4349         }
4350         platform_set_drvdata(pdev, rk_fb);
4351
4352         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4353                 rk_fb->disp_mode = mode;
4354
4355         } else {
4356                 dev_err(&pdev->dev, "no disp-mode node found!");
4357                 return -ENODEV;
4358         }
4359
4360         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4361                 rk_fb->disp_policy = mode;
4362                 pr_info("fb disp policy is %s\n",
4363                         rk_fb->disp_policy ? "box" : "sdk");
4364         }
4365
4366         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4367                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4368
4369         dev_set_name(&pdev->dev, "rockchip-fb");
4370 #if defined(CONFIG_ION_ROCKCHIP)
4371         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4372         if (IS_ERR(rk_fb->ion_client)) {
4373                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4374                 return PTR_ERR(rk_fb->ion_client);
4375         } else {
4376                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4377         }
4378 #endif
4379
4380         fb_pdev = pdev;
4381         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4382         return 0;
4383 }
4384
4385 static int rk_fb_remove(struct platform_device *pdev)
4386 {
4387         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4388
4389         kfree(rk_fb);
4390         platform_set_drvdata(pdev, NULL);
4391         return 0;
4392 }
4393
4394 static void rk_fb_shutdown(struct platform_device *pdev)
4395 {
4396         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4397         int i;
4398
4399         for (i = 0; i < rk_fb->num_lcdc; i++) {
4400                 if (!rk_fb->lcdc_dev_drv[i])
4401                         continue;
4402                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4403         }
4404 }
4405
4406 static const struct of_device_id rkfb_dt_ids[] = {
4407         {.compatible = "rockchip,rk-fb",},
4408         {}
4409 };
4410
4411 static struct platform_driver rk_fb_driver = {
4412         .probe = rk_fb_probe,
4413         .remove = rk_fb_remove,
4414         .driver = {
4415                    .name = "rk-fb",
4416                    .owner = THIS_MODULE,
4417                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4418                    },
4419         .shutdown = rk_fb_shutdown,
4420 };
4421
4422 static int __init rk_fb_init(void)
4423 {
4424         return platform_driver_register(&rk_fb_driver);
4425 }
4426
4427 static void __exit rk_fb_exit(void)
4428 {
4429         platform_driver_unregister(&rk_fb_driver);
4430 }
4431
4432 fs_initcall(rk_fb_init);
4433 module_exit(rk_fb_exit);