drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <linux/vmalloc.h>
  28 #include <asm/div64.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/rk_fb.h>
  31 #include <linux/linux_logo.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/regulator/consumer.h>
  34
  35 #include "bmp_helper.h"
  36
  37 #if defined(CONFIG_RK_HDMI)
  38 #include "hdmi/rockchip-hdmi.h"
  39 #endif
  40
  41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  42 #include "rga/rga.h"
  43 #endif
  44
  45 #ifdef CONFIG_OF
  46 #include <linux/of.h>
  47 #include <linux/of_platform.h>
  48 #include <linux/of_gpio.h>
  49 #include <video/of_display_timing.h>
  50 #include <video/display_timing.h>
  51 #endif
  52
  53 #if defined(CONFIG_ION_ROCKCHIP)
  54 #include <linux/rockchip_ion.h>
  55 #include <linux/rockchip-iovmm.h>
  56 #include <linux/dma-buf.h>
  57 #include <linux/highmem.h>
  58 #endif
  59
  60 #define H_USE_FENCE 1
  61 /* #define FB_ROATE_BY_KERNEL 1 */
  62
  63 static int hdmi_switch_state;
  64 static struct platform_device *fb_pdev;
  65
  66 #if defined(CONFIG_FB_MIRRORING)
  67 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
  68 EXPORT_SYMBOL(video_data_to_mirroring);
  69 #endif
  70
  71 extern phys_addr_t uboot_logo_base;
  72 extern phys_addr_t uboot_logo_size;
  73 extern phys_addr_t uboot_logo_offset;
  74 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  75 static struct rk_fb_trsm_ops *trsm_edp_ops;
  76 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  77 static int uboot_logo_on;
  78
  79 static int rk_fb_debug_lvl;
  80 static int rk_fb_iommu_debug;
  81 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
  82 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
  83
  84 #define rk_fb_dbg(level, x...) do {             \
  85         if (unlikely(rk_fb_debug_lvl >= level)) \
  86                 pr_info(x);                     \
  87         } while (0)
  88 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
  89                               struct rk_fb_win_cfg_data *win_data,
  90                               struct rk_fb_reg_data *regs, u32 cmd);
  91 int support_uboot_display(void)
  92 {
  93         return uboot_logo_on;
  94 }
  95
  96 int rk_fb_get_display_policy(void)
  97 {
  98         struct rk_fb *rk_fb;
  99
 100         if (fb_pdev) {
 101                 rk_fb = platform_get_drvdata(fb_pdev);
 102                 return rk_fb->disp_policy;
 103         } else {
 104                 return DISPLAY_POLICY_SDK;
 105         }
 106 }
 107
 108 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 109 {
 110         switch (type) {
 111         case SCREEN_RGB:
 112         case SCREEN_LVDS:
 113         case SCREEN_DUAL_LVDS:
 114         case SCREEN_LVDS_10BIT:
 115         case SCREEN_DUAL_LVDS_10BIT:
 116                 trsm_lvds_ops = ops;
 117                 break;
 118         case SCREEN_EDP:
 119                 trsm_edp_ops = ops;
 120                 break;
 121         case SCREEN_MIPI:
 122         case SCREEN_DUAL_MIPI:
 123                 trsm_mipi_ops = ops;
 124                 break;
 125         default:
 126                 pr_warning("%s:un supported transmitter:%d!\n",
 127                            __func__, type);
 128                 break;
 129         }
 130         return 0;
 131 }
 132
 133 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 134 {
 135         struct rk_fb_trsm_ops *ops;
 136
 137         switch (type) {
 138         case SCREEN_RGB:
 139         case SCREEN_LVDS:
 140         case SCREEN_DUAL_LVDS:
 141         case SCREEN_LVDS_10BIT:
 142         case SCREEN_DUAL_LVDS_10BIT:
 143                 ops = trsm_lvds_ops;
 144                 break;
 145         case SCREEN_EDP:
 146                 ops = trsm_edp_ops;
 147                 break;
 148         case SCREEN_MIPI:
 149         case SCREEN_DUAL_MIPI:
 150                 ops = trsm_mipi_ops;
 151                 break;
 152         default:
 153                 ops = NULL;
 154                 pr_warning("%s:un supported transmitter:%d!\n",
 155                            __func__, type);
 156                 break;
 157         }
 158         return ops;
 159 }
 160
 161 int rk_fb_pixel_width(int data_format)
 162 {
 163         int pixel_width;
 164
 165         switch (data_format) {
 166         case XBGR888:
 167         case ABGR888:
 168         case ARGB888:
 169         case FBDC_ARGB_888:
 170         case FBDC_ABGR_888:
 171         case FBDC_RGBX_888:
 172                 pixel_width = 4 * 8;
 173                 break;
 174         case RGB888:
 175                 pixel_width = 3 * 8;
 176                 break;
 177         case RGB565:
 178         case FBDC_RGB_565:
 179                 pixel_width = 2 * 8;
 180                 break;
 181         case YUV422:
 182         case YUV420:
 183         case YUV420_NV21:
 184         case YUV444:
 185                 pixel_width = 1 * 8;
 186                 break;
 187         case YUV422_A:
 188         case YUV420_A:
 189         case YUV444_A:
 190                 pixel_width = 8;
 191                 break;
 192         default:
 193                 pr_warning("%s:un supported format:0x%x\n",
 194                            __func__, data_format);
 195                 return -EINVAL;
 196         }
 197         return pixel_width;
 198 }
 199
 200 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 201 {
 202         int fb_data_fmt;
 203
 204         if (data_format) {
 205                 switch (data_format) {
 206                 case HAL_PIXEL_FORMAT_RGBX_8888:
 207                         fb_data_fmt = XBGR888;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_RGBA_8888:
 210                         fb_data_fmt = ABGR888;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_BGRA_8888:
 213                         fb_data_fmt = ARGB888;
 214                         break;
 215                 case HAL_PIXEL_FORMAT_RGB_888:
 216                         fb_data_fmt = RGB888;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_RGB_565:
 219                         fb_data_fmt = RGB565;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 222                         fb_data_fmt = YUV422;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 225                         fb_data_fmt = YUV420_NV21;
 226                         break;
 227                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 228                         fb_data_fmt = YUV420;
 229                         break;
 230                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 231                         fb_data_fmt = YUV444;
 232                         break;
 233                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 234                         fb_data_fmt = YUV420_A;
 235                         break;
 236                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 237                         fb_data_fmt = YUV422_A;
 238                         break;
 239                 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10:  /* yuv444 */
 240                         fb_data_fmt = YUV444_A;
 241                         break;
 242                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 243                         fb_data_fmt = FBDC_RGB_565;
 244                         break;
 245                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 246                         fb_data_fmt = FBDC_ARGB_888;
 247                         break;
 248                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 249                         fb_data_fmt = FBDC_ABGR_888;
 250                         break;
 251                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 252                         fb_data_fmt = FBDC_RGBX_888;
 253                         break;
 254                 default:
 255                         pr_warning("%s:un supported format:0x%x\n",
 256                                    __func__, data_format);
 257                         return -EINVAL;
 258                 }
 259         } else {
 260                 switch (bits_per_pixel) {
 261                 case 32:
 262                         fb_data_fmt = ARGB888;
 263                         break;
 264                 case 24:
 265                         fb_data_fmt = RGB888;
 266                         break;
 267                 case 16:
 268                         fb_data_fmt = RGB565;
 269                         break;
 270                 default:
 271                         pr_warning("%s:un supported bits_per_pixel:%d\n",
 272                                    __func__, bits_per_pixel);
 273                         break;
 274                 }
 275         }
 276         return fb_data_fmt;
 277 }
 278
 279 /*
 280  * rk display power control parse from dts
 281  */
 282 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 283 {
 284         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 285                                                         "power_ctr");
 286         struct device_node *child;
 287         struct rk_disp_pwr_ctr_list *pwr_ctr;
 288         struct list_head *pos;
 289         enum of_gpio_flags flags;
 290         u32 val = 0;
 291         u32 debug = 0;
 292         int ret;
 293
 294         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 295         if (!root) {
 296                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 297                         dev_drv->id);
 298                 return -ENODEV;
 299         }
 300
 301         for_each_child_of_node(root, child) {
 302                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 303                                   GFP_KERNEL);
 304                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 305                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 306                         if (val == GPIO) {
 307                                 pwr_ctr->pwr_ctr.type = GPIO;
 308                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 309                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 310                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 311                                                 child->name);
 312                                         return -EINVAL;
 313                                 }
 314                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 315                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 316                                                    child->name);
 317                                 if (ret) {
 318                                         dev_err(dev_drv->dev,
 319                                                 "request %s gpio fail:%d\n",
 320                                                 child->name, ret);
 321                                 }
 322
 323                         } else {
 324                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 325                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 326                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 327                                                               &(pwr_ctr->pwr_ctr.rgl_name));
 328                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 329                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 330                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 331                                         pwr_ctr->pwr_ctr.volt = val;
 332                                 else
 333                                         pwr_ctr->pwr_ctr.volt = 0;
 334                         }
 335                 };
 336
 337                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 338                         pwr_ctr->pwr_ctr.delay = val;
 339                 else
 340                         pwr_ctr->pwr_ctr.delay = 0;
 341                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 342         }
 343
 344         of_property_read_u32(root, "rockchip,debug", &debug);
 345
 346         if (debug) {
 347                 list_for_each(pos, &dev_drv->pwrlist_head) {
 348                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 349                                              list);
 350                         pr_info("pwr_ctr_name:%s\n"
 351                                 "pwr_type:%s\n"
 352                                 "gpio:%d\n"
 353                                 "atv_val:%d\n"
 354                                 "delay:%d\n\n",
 355                                 pwr_ctr->pwr_ctr.name,
 356                                 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 357                                 pwr_ctr->pwr_ctr.gpio,
 358                                 pwr_ctr->pwr_ctr.atv_val,
 359                                 pwr_ctr->pwr_ctr.delay);
 360                 }
 361         }
 362
 363         return 0;
 364 }
 365
 366 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 367 {
 368         struct list_head *pos;
 369         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 370         struct pwr_ctr *pwr_ctr;
 371         struct regulator *regulator_lcd = NULL;
 372         int count = 10;
 373
 374         if (list_empty(&dev_drv->pwrlist_head))
 375                 return 0;
 376         list_for_each(pos, &dev_drv->pwrlist_head) {
 377                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 378                                           list);
 379                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 380                 if (pwr_ctr->type == GPIO) {
 381                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 382                         mdelay(pwr_ctr->delay);
 383                 } else if (pwr_ctr->type == REGULATOR) {
 384                         if (pwr_ctr->rgl_name)
 385                                 regulator_lcd =
 386                                         regulator_get(NULL, pwr_ctr->rgl_name);
 387                         if (regulator_lcd == NULL) {
 388                                 dev_err(dev_drv->dev,
 389                                         "%s: regulator get failed,regulator name:%s\n",
 390                                         __func__, pwr_ctr->rgl_name);
 391                                 continue;
 392                         }
 393                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 394                         while (!regulator_is_enabled(regulator_lcd)) {
 395                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 396                                         break;
 397                                 else
 398                                         dev_err(dev_drv->dev,
 399                                                 "regulator_enable failed,count=%d\n",
 400                                                 count);
 401                                 count--;
 402                         }
 403                         regulator_put(regulator_lcd);
 404                         msleep(pwr_ctr->delay);
 405                 }
 406         }
 407
 408         return 0;
 409 }
 410
 411 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 412 {
 413         struct list_head *pos;
 414         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 415         struct pwr_ctr *pwr_ctr;
 416         struct regulator *regulator_lcd = NULL;
 417         int count = 10;
 418
 419         if (list_empty(&dev_drv->pwrlist_head))
 420                 return 0;
 421         list_for_each(pos, &dev_drv->pwrlist_head) {
 422                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 423                                           list);
 424                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 425                 if (pwr_ctr->type == GPIO) {
 426                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 427                 } else if (pwr_ctr->type == REGULATOR) {
 428                         if (pwr_ctr->rgl_name)
 429                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 430                         if (regulator_lcd == NULL) {
 431                                 dev_err(dev_drv->dev,
 432                                         "%s: regulator get failed,regulator name:%s\n",
 433                                         __func__, pwr_ctr->rgl_name);
 434                                 continue;
 435                         }
 436                         while (regulator_is_enabled(regulator_lcd) > 0) {
 437                                 if (regulator_disable(regulator_lcd) == 0 ||
 438                                     count == 0)
 439                                         break;
 440                                 else
 441                                         dev_err(dev_drv->dev,
 442                                                 "regulator_disable failed,count=%d\n",
 443                                                 count);
 444                                 count--;
 445                         }
 446                         regulator_put(regulator_lcd);
 447                 }
 448         }
 449         return 0;
 450 }
 451
 452 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 453                                  struct rk_screen *screen)
 454 {
 455         screen->mode.pixclock = dt->pixelclock.typ;
 456         screen->mode.left_margin = dt->hback_porch.typ;
 457         screen->mode.right_margin = dt->hfront_porch.typ;
 458         screen->mode.xres = dt->hactive.typ;
 459         screen->mode.hsync_len = dt->hsync_len.typ;
 460         screen->mode.upper_margin = dt->vback_porch.typ;
 461         screen->mode.lower_margin = dt->vfront_porch.typ;
 462         screen->mode.yres = dt->vactive.typ;
 463         screen->mode.vsync_len = dt->vsync_len.typ;
 464         screen->type = dt->screen_type;
 465         screen->lvds_format = dt->lvds_format;
 466         screen->face = dt->face;
 467         screen->color_mode = dt->color_mode;
 468         screen->dsp_lut = dt->dsp_lut;
 469         screen->cabc_lut = dt->cabc_lut;
 470         screen->cabc_gamma_base = dt->cabc_gamma_base;
 471
 472         if (dt->flags & DISPLAY_FLAGS_INTERLACED)
 473                 screen->mode.vmode |= FB_VMODE_INTERLACED;
 474         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 475                 screen->pin_dclk = 1;
 476         else
 477                 screen->pin_dclk = 0;
 478         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 479                 screen->pin_hsync = 1;
 480         else
 481                 screen->pin_hsync = 0;
 482         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 483                 screen->pin_vsync = 1;
 484         else
 485                 screen->pin_vsync = 0;
 486         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 487                 screen->pin_den = 1;
 488         else
 489                 screen->pin_den = 0;
 490
 491         return 0;
 492 }
 493
 494 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 495 {
 496         struct display_timings *disp_timing;
 497         struct display_timing *dt;
 498
 499         disp_timing = of_get_display_timings(np);
 500         if (!disp_timing) {
 501                 pr_err("parse display timing err\n");
 502                 return -EINVAL;
 503         }
 504         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 505         rk_fb_video_mode_from_timing(dt, screen);
 506
 507         return 0;
 508 }
 509
 510 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 511 {
 512         int x, y;
 513         unsigned long long hz;
 514
 515         if (!screen) {
 516                 pr_err("%s:null screen!\n", __func__);
 517                 return 0;
 518         }
 519         x = screen->mode.xres + screen->mode.left_margin +
 520             screen->mode.right_margin + screen->mode.hsync_len;
 521         y = screen->mode.yres + screen->mode.upper_margin +
 522             screen->mode.lower_margin + screen->mode.vsync_len;
 523
 524         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 525
 526         hz += (x * y) / 2;
 527         do_div(hz, x * y);      /* divide by x * y with rounding */
 528
 529         hz += pixclock / 2;
 530         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 531
 532         return hz;
 533 }
 534
 535 char *get_format_string(enum data_format format, char *fmt)
 536 {
 537         if (!fmt)
 538                 return NULL;
 539         switch (format) {
 540         case ARGB888:
 541                 strcpy(fmt, "ARGB888");
 542                 break;
 543         case RGB888:
 544                 strcpy(fmt, "RGB888");
 545                 break;
 546         case RGB565:
 547                 strcpy(fmt, "RGB565");
 548                 break;
 549         case YUV420:
 550         case YUV420_NV21:
 551                 strcpy(fmt, "YUV420");
 552                 break;
 553         case YUV422:
 554                 strcpy(fmt, "YUV422");
 555                 break;
 556         case YUV444:
 557                 strcpy(fmt, "YUV444");
 558                 break;
 559         case YUV420_A:
 560                 strcpy(fmt, "YUV420_A");
 561                 break;
 562         case YUV422_A:
 563                 strcpy(fmt, "YUV422_A");
 564                 break;
 565         case YUV444_A:
 566                 strcpy(fmt, "YUV444_A");
 567                 break;
 568         case XRGB888:
 569                 strcpy(fmt, "XRGB888");
 570                 break;
 571         case XBGR888:
 572                 strcpy(fmt, "XBGR888");
 573                 break;
 574         case ABGR888:
 575                 strcpy(fmt, "ABGR888");
 576                 break;
 577         case FBDC_RGB_565:
 578                 strcpy(fmt, "FBDC_RGB_565");
 579                 break;
 580         case FBDC_ARGB_888:
 581         case FBDC_ABGR_888:
 582                 strcpy(fmt, "FBDC_ARGB_888");
 583                 break;
 584         case FBDC_RGBX_888:
 585                 strcpy(fmt, "FBDC_RGBX_888");
 586                 break;
 587         default:
 588                 strcpy(fmt, "invalid");
 589                 break;
 590         }
 591
 592         return fmt;
 593 }
 594
 595 /*
 596  * this is for hdmi
 597  * name: lcdc device name ,lcdc0 , lcdc1
 598  */
 599 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 600 {
 601         struct rk_fb *inf = NULL;
 602         struct rk_lcdc_driver *dev_drv = NULL;
 603         int i = 0;
 604
 605         if (likely(fb_pdev))
 606                 inf = platform_get_drvdata(fb_pdev);
 607         else
 608                 return NULL;
 609
 610         for (i = 0; i < inf->num_lcdc; i++) {
 611                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 612                         dev_drv = inf->lcdc_dev_drv[i];
 613                         break;
 614                 }
 615         }
 616
 617         return dev_drv;
 618 }
 619
 620 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 621 {
 622         struct rk_fb *inf = NULL;
 623         struct rk_lcdc_driver *dev_drv = NULL;
 624         int i = 0;
 625
 626         if (likely(fb_pdev))
 627                 inf = platform_get_drvdata(fb_pdev);
 628         else
 629                 return NULL;
 630
 631         for (i = 0; i < inf->num_lcdc; i++) {
 632                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 633                         dev_drv = inf->lcdc_dev_drv[i];
 634                         break;
 635                 }
 636         }
 637
 638         return dev_drv;
 639 }
 640
 641 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 642 {
 643         struct rk_fb *inf = NULL;
 644         struct rk_lcdc_driver *dev_drv = NULL;
 645         int i = 0;
 646
 647         if (likely(fb_pdev))
 648                 inf = platform_get_drvdata(fb_pdev);
 649         else
 650                 return NULL;
 651
 652         for (i = 0; i < inf->num_lcdc; i++) {
 653                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 654                         dev_drv = inf->lcdc_dev_drv[i];
 655                         break;
 656                 }
 657         }
 658
 659         return dev_drv;
 660 }
 661
 662 /*
 663  * get one frame time of the prmry screen, unit: us
 664  */
 665 u32 rk_fb_get_prmry_screen_ft(void)
 666 {
 667         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 668         u32 htotal, vtotal, pixclock_ps;
 669         u64 pix_total, ft_us;
 670
 671         if (unlikely(!dev_drv))
 672                 return 0;
 673
 674         pixclock_ps = dev_drv->pixclock;
 675
 676         vtotal = dev_drv->cur_screen->mode.upper_margin +
 677                  dev_drv->cur_screen->mode.lower_margin +
 678                  dev_drv->cur_screen->mode.yres +
 679                  dev_drv->cur_screen->mode.vsync_len;
 680         htotal = dev_drv->cur_screen->mode.left_margin +
 681                  dev_drv->cur_screen->mode.right_margin +
 682                  dev_drv->cur_screen->mode.xres +
 683                  dev_drv->cur_screen->mode.hsync_len;
 684         pix_total = htotal * vtotal;
 685         ft_us = pix_total * pixclock_ps;
 686         do_div(ft_us, 1000000);
 687         if (dev_drv->frame_time.ft == 0)
 688                 dev_drv->frame_time.ft = ft_us;
 689
 690         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 691         do_div(ft_us, 1000);
 692         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 693         if (ft_us != 0)
 694                 dev_drv->frame_time.ft = ft_us;
 695
 696         return dev_drv->frame_time.ft;
 697 }
 698
 699 /*
 700  * get the vblanking time of the prmry screen, unit: us
 701  */
 702 u32 rk_fb_get_prmry_screen_vbt(void)
 703 {
 704         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 705         u32 htotal, vblank, pixclock_ps;
 706         u64 pix_blank, vbt_us;
 707
 708         if (unlikely(!dev_drv))
 709                 return 0;
 710
 711         pixclock_ps = dev_drv->pixclock;
 712
 713         htotal = (dev_drv->cur_screen->mode.left_margin +
 714                   dev_drv->cur_screen->mode.right_margin +
 715                   dev_drv->cur_screen->mode.xres +
 716                   dev_drv->cur_screen->mode.hsync_len);
 717         vblank = (dev_drv->cur_screen->mode.upper_margin +
 718                   dev_drv->cur_screen->mode.lower_margin +
 719                   dev_drv->cur_screen->mode.vsync_len);
 720         pix_blank = htotal * vblank;
 721         vbt_us = pix_blank * pixclock_ps;
 722         do_div(vbt_us, 1000000);
 723         return (u32)vbt_us;
 724 }
 725
 726 /*
 727  * get the frame done time of the prmry screen, unit: us
 728  */
 729 u64 rk_fb_get_prmry_screen_framedone_t(void)
 730 {
 731         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 732
 733         if (unlikely(!dev_drv))
 734                 return 0;
 735         else
 736                 return dev_drv->frame_time.framedone_t;
 737 }
 738
 739 /*
 740  * set prmry screen status
 741  */
 742 int rk_fb_set_prmry_screen_status(int status)
 743 {
 744         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 745         struct rk_screen *screen;
 746
 747         if (unlikely(!dev_drv))
 748                 return 0;
 749
 750         screen = dev_drv->cur_screen;
 751         switch (status) {
 752         case SCREEN_PREPARE_DDR_CHANGE:
 753                 if (screen->type == SCREEN_MIPI ||
 754                     screen->type == SCREEN_DUAL_MIPI) {
 755                         if (dev_drv->trsm_ops->dsp_pwr_off)
 756                                 dev_drv->trsm_ops->dsp_pwr_off();
 757                 }
 758                 break;
 759         case SCREEN_UNPREPARE_DDR_CHANGE:
 760                 if (screen->type == SCREEN_MIPI ||
 761                     screen->type == SCREEN_DUAL_MIPI) {
 762                         if (dev_drv->trsm_ops->dsp_pwr_on)
 763                                 dev_drv->trsm_ops->dsp_pwr_on();
 764                 }
 765                 break;
 766         default:
 767                 break;
 768         }
 769
 770         return 0;
 771 }
 772
 773 u32 rk_fb_get_prmry_screen_pixclock(void)
 774 {
 775         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 776
 777         if (unlikely(!dev_drv))
 778                 return 0;
 779         else
 780                 return dev_drv->pixclock;
 781 }
 782
 783 int rk_fb_poll_prmry_screen_vblank(void)
 784 {
 785         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 786
 787         if (likely(dev_drv)) {
 788                 if (dev_drv->ops->poll_vblank)
 789                         return dev_drv->ops->poll_vblank(dev_drv);
 790                 else
 791                         return RK_LF_STATUS_NC;
 792         } else {
 793                 return RK_LF_STATUS_NC;
 794         }
 795 }
 796
 797 bool rk_fb_poll_wait_frame_complete(void)
 798 {
 799         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 800         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 801
 802         if (likely(dev_drv)) {
 803                 if (dev_drv->ops->set_irq_to_cpu)
 804                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 805         }
 806
 807         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 808                 if (likely(dev_drv)) {
 809                         if (dev_drv->ops->set_irq_to_cpu)
 810                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 811                 }
 812                 return false;
 813         }
 814         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 815                 ;
 816         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 817                 ;
 818         if (likely(dev_drv)) {
 819                 if (dev_drv->ops->set_irq_to_cpu)
 820                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 821         }
 822
 823         return true;
 824 }
 825
 826 /* rk_fb_get_sysmmu_device_by_compatible()
 827  * @compt: dts device compatible name
 828  * return value: success: pointer to the device inside of platform device
 829  *               fail: NULL
 830  */
 831 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 832 {
 833         struct device_node *dn = NULL;
 834         struct platform_device *pd = NULL;
 835         struct device *ret = NULL ;
 836
 837         dn = of_find_compatible_node(NULL, NULL, compt);
 838         if (!dn) {
 839                 pr_info("can't find device node %s \r\n", compt);
 840                 return NULL;
 841         }
 842
 843         pd = of_find_device_by_node(dn);
 844         if (!pd) {
 845                 pr_info("can't find platform device node %s \r\n", compt);
 846                 return  NULL;
 847         }
 848         ret = &pd->dev;
 849
 850         return ret;
 851 }
 852
 853 #ifdef CONFIG_IOMMU_API
 854 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 855 {
 856         dev->archdata.iommu = sysmmu;
 857 }
 858 #else
 859 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 860 {
 861 }
 862 #endif
 863
 864 static int rk_fb_open(struct fb_info *info, int user)
 865 {
 866         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 867         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 868         int win_id;
 869
 870         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 871         fb_par->state++;
 872         /* if this win aready opened ,no need to reopen */
 873         if (dev_drv->win[win_id]->state)
 874                 return 0;
 875         else
 876                 dev_drv->ops->open(dev_drv, win_id, 1);
 877         return 0;
 878 }
 879
 880 static int rk_fb_close(struct fb_info *info, int user)
 881 {
 882         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 883         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 884         struct rk_lcdc_win *win = NULL;
 885         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 886
 887         if (win_id >= 0) {
 888                 win = dev_drv->win[win_id];
 889                 if (fb_par->state)
 890                         fb_par->state--;
 891                 if (!fb_par->state) {
 892                         if (fb_par->fb_phy_base > 0)
 893                                 info->fix.smem_start = fb_par->fb_phy_base;
 894                         info->var.xres = dev_drv->screen0->mode.xres;
 895                         info->var.yres = dev_drv->screen0->mode.yres;
 896                         /*
 897                          *info->var.grayscale |=
 898                          *   (info->var.xres << 8) + (info->var.yres << 20);
 899                          */
 900                         info->var.xres_virtual = info->var.xres;
 901                         info->var.yres_virtual = info->var.yres;
 902 #if defined(CONFIG_LOGO_LINUX_BMP)
 903                         info->var.bits_per_pixel = 32;
 904 #else
 905                         info->var.bits_per_pixel = 16;
 906 #endif
 907                         info->fix.line_length =
 908                             (info->var.xres_virtual) *
 909                             (info->var.bits_per_pixel >> 3);
 910                         info->var.width = dev_drv->screen0->width;
 911                         info->var.height = dev_drv->screen0->height;
 912                         info->var.pixclock = dev_drv->pixclock;
 913                         info->var.left_margin =
 914                                 dev_drv->screen0->mode.left_margin;
 915                         info->var.right_margin =
 916                                 dev_drv->screen0->mode.right_margin;
 917                         info->var.upper_margin =
 918                                 dev_drv->screen0->mode.upper_margin;
 919                         info->var.lower_margin =
 920                                 dev_drv->screen0->mode.lower_margin;
 921                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 922                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 923                 }
 924         }
 925
 926         return 0;
 927 }
 928
 929 #if defined(FB_ROATE_BY_KERNEL)
 930
 931 #if defined(CONFIG_RK29_IPP)
 932 static int get_ipp_format(int fmt)
 933 {
 934         int ipp_fmt = IPP_XRGB_8888;
 935
 936         switch (fmt) {
 937         case HAL_PIXEL_FORMAT_RGBX_8888:
 938         case HAL_PIXEL_FORMAT_RGBA_8888:
 939         case HAL_PIXEL_FORMAT_BGRA_8888:
 940         case HAL_PIXEL_FORMAT_RGB_888:
 941                 ipp_fmt = IPP_XRGB_8888;
 942                 break;
 943         case HAL_PIXEL_FORMAT_RGB_565:
 944                 ipp_fmt = IPP_RGB_565;
 945                 break;
 946         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 947                 ipp_fmt = IPP_Y_CBCR_H2V1;
 948                 break;
 949         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 950                 ipp_fmt = IPP_Y_CBCR_H2V2;
 951                 break;
 952         case HAL_PIXEL_FORMAT_YCrCb_444:
 953                 ipp_fmt = IPP_Y_CBCR_H1V1;
 954                 break;
 955         default:
 956                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 957                 break;
 958         }
 959
 960         return ipp_fmt;
 961 }
 962
 963 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 964                           int rotation, int fmt)
 965 {
 966         int align16 = 2;
 967         int align64 = 8;
 968
 969         if (fmt == IPP_XRGB_8888) {
 970                 align16 = 1;
 971                 align64 = 2;
 972         } else if (fmt == IPP_RGB_565) {
 973                 align16 = 1;
 974                 align64 = 4;
 975         } else {
 976                 align16 = 2;
 977                 align64 = 8;
 978         }
 979         align16 -= 1;           /*for YUV, 1 */
 980         align64 -= 1;           /*for YUV, 7 */
 981
 982         if (rotation == IPP_ROT_0) {
 983                 if (fmt > IPP_RGB_565) {
 984                         if ((*dst_w & 1) != 0)
 985                                 *dst_w = *dst_w + 1;
 986                         if ((*dst_h & 1) != 0)
 987                                 *dst_h = *dst_h + 1;
 988                         if (*dst_vir_w < *dst_w)
 989                                 *dst_vir_w = *dst_w;
 990                 }
 991         } else {
 992                 if ((*dst_w & align64) != 0)
 993                         *dst_w = (*dst_w + align64) & (~align64);
 994                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 995                         *dst_h = *dst_h + 1;
 996                 if (*dst_vir_w < *dst_w)
 997                         *dst_vir_w = *dst_w;
 998         }
 999 }
1000
1001 static void fb_copy_by_ipp(struct fb_info *dst_info,
1002                                 struct fb_info *src_info)
1003 {
1004         struct rk29_ipp_req ipp_req;
1005         uint32_t rotation = 0;
1006         int dst_w, dst_h, dst_vir_w;
1007         int ipp_fmt;
1008         u8 data_format = (dst_info->var.nonstd) & 0xff;
1009         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1010         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1011         u16 orientation = ext_dev_drv->rotate_mode;
1012
1013         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1014
1015         switch (orientation) {
1016         case 0:
1017                 rotation = IPP_ROT_0;
1018                 break;
1019         case ROTATE_90:
1020                 rotation = IPP_ROT_90;
1021                 break;
1022         case ROTATE_180:
1023                 rotation = IPP_ROT_180;
1024                 break;
1025         case ROTATE_270:
1026                 rotation = IPP_ROT_270;
1027                 break;
1028         default:
1029                 rotation = IPP_ROT_270;
1030                 break;
1031         }
1032
1033         dst_w = dst_info->var.xres;
1034         dst_h = dst_info->var.yres;
1035         dst_vir_w = dst_info->var.xres_virtual;
1036         ipp_fmt = get_ipp_format(data_format);
1037         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1038         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1039         ipp_req.src0.w = src_info->var.xres;
1040         ipp_req.src0.h = src_info->var.yres;
1041         ipp_req.src_vir_w = src_info->var.xres_virtual;
1042         ipp_req.src0.fmt = ipp_fmt;
1043
1044         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1045         ipp_req.dst0.w = dst_w;
1046         ipp_req.dst0.h = dst_h;
1047         ipp_req.dst_vir_w = dst_vir_w;
1048         ipp_req.dst0.fmt = ipp_fmt;
1049
1050         ipp_req.timeout = 100;
1051         ipp_req.flag = rotation;
1052         ipp_blit_sync(&ipp_req);
1053 }
1054
1055 #endif
1056
1057 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1058 static int get_rga_format(int fmt)
1059 {
1060         int rga_fmt = 0;
1061
1062         switch (fmt) {
1063         case XBGR888:
1064                 rga_fmt = RK_FORMAT_RGBX_8888;
1065                 break;
1066         case ABGR888:
1067                 rga_fmt = RK_FORMAT_RGBA_8888;
1068                 break;
1069         case ARGB888:
1070                 rga_fmt = RK_FORMAT_BGRA_8888;
1071                 break;
1072         case RGB888:
1073                 rga_fmt = RK_FORMAT_RGB_888;
1074                 break;
1075         case RGB565:
1076                 rga_fmt = RK_FORMAT_RGB_565;
1077                 break;
1078         case YUV422:
1079                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1080                 break;
1081         case YUV420:
1082                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1083                 break;
1084         default:
1085                 rga_fmt = RK_FORMAT_RGBA_8888;
1086                 break;
1087         }
1088
1089         return rga_fmt;
1090 }
1091
1092 static void rga_win_check(struct rk_lcdc_win *dst_win,
1093                           struct rk_lcdc_win *src_win)
1094 {
1095         int format = 0;
1096
1097         format = get_rga_format(src_win->area[0].format);
1098         /* width and height must be even number */
1099         if (format >= RK_FORMAT_YCbCr_422_SP &&
1100             format <= RK_FORMAT_YCrCb_420_P) {
1101                 if ((src_win->area[0].xact % 2) != 0)
1102                         src_win->area[0].xact += 1;
1103                 if ((src_win->area[0].yact % 2) != 0)
1104                         src_win->area[0].yact += 1;
1105         }
1106         if (src_win->area[0].xvir < src_win->area[0].xact)
1107                 src_win->area[0].xvir = src_win->area[0].xact;
1108         if (src_win->area[0].yvir < src_win->area[0].yact)
1109                 src_win->area[0].yvir = src_win->area[0].yact;
1110
1111         format = get_rga_format(dst_win->area[0].format);
1112         if (format >= RK_FORMAT_YCbCr_422_SP &&
1113             format <= RK_FORMAT_YCrCb_420_P) {
1114                 if ((dst_win->area[0].xact % 2) != 0)
1115                         dst_win->area[0].xact += 1;
1116                 if ((dst_win->area[0].yact % 2) != 0)
1117                         dst_win->area[0].yact += 1;
1118         }
1119         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1120                 dst_win->area[0].xvir = dst_win->area[0].xact;
1121         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1122                 dst_win->area[0].yvir = dst_win->area[0].yact;
1123 }
1124
1125 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1126                             struct rk_lcdc_win *src_win,
1127                             u16 orientation, int iommu_en)
1128 {
1129         struct rga_req Rga_Request;
1130         long ret = 0;
1131         /* int fd = 0; */
1132
1133         memset(&Rga_Request, 0, sizeof(Rga_Request));
1134         rga_win_check(dst_win, src_win);
1135
1136         switch (orientation) {
1137         case ROTATE_90:
1138                 Rga_Request.rotate_mode = 1;
1139                 Rga_Request.sina = 65536;
1140                 Rga_Request.cosa = 0;
1141                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1142                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1143                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1144                 Rga_Request.dst.y_offset = 0;
1145                 break;
1146         case ROTATE_180:
1147                 Rga_Request.rotate_mode = 1;
1148                 Rga_Request.sina = 0;
1149                 Rga_Request.cosa = -65536;
1150                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1151                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1152                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1153                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1154                 break;
1155         case ROTATE_270:
1156                 Rga_Request.rotate_mode = 1;
1157                 Rga_Request.sina = -65536;
1158                 Rga_Request.cosa = 0;
1159                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1160                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1161                 Rga_Request.dst.x_offset = 0;
1162                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1163                 break;
1164         default:
1165                 Rga_Request.rotate_mode = 0;
1166                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1167                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1168                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1169                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1170                 break;
1171         }
1172
1173         /*
1174          * fd =
1175          *    ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1176          * Rga_Request.src.yrgb_addr = fd;
1177          * fd =
1178          *    ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1179          * Rga_Request.dst.yrgb_addr = fd;
1180          */
1181         Rga_Request.src.yrgb_addr = 0;
1182         Rga_Request.src.uv_addr =
1183             src_win->area[0].smem_start + src_win->area[0].y_offset;
1184         Rga_Request.src.v_addr = 0;
1185
1186         Rga_Request.dst.yrgb_addr = 0;
1187         Rga_Request.dst.uv_addr =
1188             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1189         Rga_Request.dst.v_addr = 0;
1190
1191         Rga_Request.src.vir_w = src_win->area[0].xvir;
1192         Rga_Request.src.vir_h = src_win->area[0].yvir;
1193         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1194         Rga_Request.src.act_w = src_win->area[0].xact;
1195         Rga_Request.src.act_h = src_win->area[0].yact;
1196         Rga_Request.src.x_offset = 0;
1197         Rga_Request.src.y_offset = 0;
1198
1199         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1200         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1201         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1202
1203         Rga_Request.clip.xmin = 0;
1204         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1205         Rga_Request.clip.ymin = 0;
1206         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1207         Rga_Request.scale_mode = 0;
1208 #if defined(CONFIG_RK_IOMMU)
1209         if (iommu_en) {
1210                 Rga_Request.mmu_info.mmu_en = 1;
1211                 Rga_Request.mmu_info.mmu_flag = 1;
1212         } else {
1213                 Rga_Request.mmu_info.mmu_en = 0;
1214                 Rga_Request.mmu_info.mmu_flag = 0;
1215         }
1216 #else
1217         Rga_Request.mmu_info.mmu_en = 0;
1218         Rga_Request.mmu_info.mmu_flag = 0;
1219 #endif
1220
1221         ret = rga_ioctl_kernel(&Rga_Request);
1222 }
1223
1224 /*
1225  * This function is used for copying fb by RGA Module
1226  * RGA only support copy RGB to RGB
1227  * RGA2 support copy RGB to RGB and YUV to YUV
1228  */
1229 static void fb_copy_by_rga(struct fb_info *dst_info,
1230                                struct fb_info *src_info)
1231 {
1232         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1233         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1234         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1235         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1236         int win_id = 0, ext_win_id;
1237         struct rk_lcdc_win *src_win, *dst_win;
1238
1239         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1240         src_win = dev_drv->win[win_id];
1241
1242         ext_win_id =
1243             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1244         dst_win = ext_dev_drv->win[ext_win_id];
1245
1246         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1247                         ext_dev_drv->iommu_enabled);
1248 }
1249 #endif
1250
1251 static int rk_fb_rotate(struct fb_info *dst_info,
1252                           struct fb_info *src_info)
1253 {
1254 #if defined(CONFIG_RK29_IPP)
1255         fb_copy_by_ipp(dst_info, src_info);
1256 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1257         fb_copy_by_rga(dst_info, src_info);
1258 #else
1259         return -1;
1260 #endif
1261         return 0;
1262 }
1263
1264 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1265                                             struct rk_lcdc_win *src_win,
1266                                             u16 rotate, int iommu_en)
1267 {
1268 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1269         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1270 #else
1271         return -1;
1272 #endif
1273         return 0;
1274 }
1275
1276 #endif
1277
1278 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1279                              struct fb_info *info)
1280 {
1281         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1282         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1283         struct fb_fix_screeninfo *fix = &info->fix;
1284         int win_id = 0;
1285         struct rk_lcdc_win *win = NULL;
1286         struct rk_screen *screen = dev_drv->cur_screen;
1287         u32 xoffset = var->xoffset;
1288         u32 yoffset = var->yoffset;
1289         u32 xvir = var->xres_virtual;
1290         u8 pixel_width;
1291         u32 vir_width_bit;
1292         u32 stride, uv_stride;
1293         u32 stride_32bit_1;
1294         u32 stride_32bit_2;
1295         u16 uv_x_off, uv_y_off, uv_y_act;
1296         u8 is_pic_yuv = 0;
1297
1298         if (dev_drv->suspend_flag)
1299                 return 0;
1300         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1301         if (win_id < 0)
1302                 return -ENODEV;
1303         else
1304                 win = dev_drv->win[win_id];
1305
1306         pixel_width = rk_fb_pixel_width(win->area[0].format);
1307         vir_width_bit = pixel_width * xvir;
1308         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1309         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1310
1311         switch (win->area[0].format) {
1312         case YUV422:
1313         case YUV422_A:
1314                 is_pic_yuv = 1;
1315                 stride = stride_32bit_1;
1316                 uv_stride = stride_32bit_1;
1317                 uv_x_off = xoffset;
1318                 uv_y_off = yoffset;
1319                 fix->line_length = stride;
1320                 uv_y_act = win->area[0].yact >> 1;
1321                 break;
1322         case YUV420:            /* nv12 */
1323         case YUV420_NV21:       /* nv21 */
1324         case YUV420_A:
1325                 is_pic_yuv = 1;
1326                 stride = stride_32bit_1;
1327                 uv_stride = stride_32bit_1;
1328                 uv_x_off = xoffset;
1329                 uv_y_off = yoffset >> 1;
1330                 fix->line_length = stride;
1331                 uv_y_act = win->area[0].yact >> 1;
1332                 break;
1333         case YUV444:
1334         case YUV444_A:
1335                 is_pic_yuv = 1;
1336                 stride = stride_32bit_1;
1337                 uv_stride = stride_32bit_2;
1338                 uv_x_off = xoffset * 2;
1339                 uv_y_off = yoffset;
1340                 fix->line_length = stride << 2;
1341                 uv_y_act = win->area[0].yact;
1342                 break;
1343         default:
1344                 stride = stride_32bit_1;        /* default rgb */
1345                 fix->line_length = stride;
1346                 break;
1347         }
1348
1349         /* x y mirror ,jump line */
1350         if ((screen->y_mirror == 1) ||
1351             (win->xmirror && win->ymirror)) {
1352                 if (screen->interlace == 1) {
1353                         win->area[0].y_offset = yoffset * stride * 2 +
1354                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1355                             xoffset * pixel_width / 8;
1356                 } else {
1357                         win->area[0].y_offset = yoffset * stride +
1358                             (win->area[0].yact - 1) * stride +
1359                             xoffset * pixel_width / 8;
1360                 }
1361         } else {
1362                 if (screen->interlace == 1) {
1363                         win->area[0].y_offset =
1364                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1365                 } else {
1366                         win->area[0].y_offset =
1367                             yoffset * stride + xoffset * pixel_width / 8;
1368                 }
1369         }
1370         if (is_pic_yuv == 1) {
1371                 if ((screen->y_mirror == 1) ||
1372                     (win->xmirror && win->ymirror)) {
1373                         if (screen->interlace == 1) {
1374                                 win->area[0].c_offset =
1375                                     uv_y_off * uv_stride * 2 +
1376                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1377                                     uv_x_off * pixel_width / 8;
1378                         } else {
1379                                 win->area[0].c_offset = uv_y_off * uv_stride +
1380                                     (uv_y_act - 1) * uv_stride +
1381                                     uv_x_off * pixel_width / 8;
1382                         }
1383                 } else {
1384                         if (screen->interlace == 1) {
1385                                 win->area[0].c_offset =
1386                                     uv_y_off * uv_stride * 2 +
1387                                     uv_x_off * pixel_width / 8;
1388                         } else {
1389                                 win->area[0].c_offset =
1390                                     uv_y_off * uv_stride +
1391                                     uv_x_off * pixel_width / 8;
1392                         }
1393                 }
1394         }
1395
1396         win->area[0].smem_start = fix->smem_start;
1397         win->area[0].cbr_start = fix->mmio_start;
1398         win->area[0].state = 1;
1399         win->area_num = 1;
1400
1401         dev_drv->ops->pan_display(dev_drv, win_id);
1402
1403 #ifdef  CONFIG_FB_MIRRORING
1404         if (video_data_to_mirroring)
1405                 video_data_to_mirroring(info, NULL);
1406 #endif
1407         /*if not want the config effect,set reserved[3] bit[0] 1*/
1408         if (likely((var->reserved[3] & 0x1) == 0))
1409                 dev_drv->ops->cfg_done(dev_drv);
1410         if (dev_drv->hdmi_switch)
1411                 mdelay(100);
1412         return 0;
1413 }
1414
1415 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1416 {
1417         int i, j;
1418
1419         i = list_empty(&dev_drv->update_regs_list);
1420         j = list_empty(&dev_drv->saved_list);
1421         return i == j ? 0 : 1;
1422 }
1423
1424 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1425 {
1426         int err = sync_fence_wait(fence, 1000);
1427
1428         if (err >= 0)
1429                 return;
1430
1431         if (err == -ETIME)
1432                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1433
1434         if (err < 0)
1435                 pr_info("error waiting on fence\n");
1436 }
1437 #if 0
1438 static int rk_fb_copy_from_loader(struct fb_info *info)
1439 {
1440         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1441         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1442         void *dst = info->screen_base;
1443         u32 dsp_addr[4];
1444         u32 src;
1445         u32 i, size;
1446         int win_id;
1447         struct rk_lcdc_win *win;
1448
1449         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1450         win = dev_drv->win[win_id];
1451         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1452         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1453         src = dsp_addr[win_id];
1454         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1455                  win->area[0].xact, win->area[0].yact, src);
1456         for (i = 0; i < size; i += PAGE_SIZE) {
1457                 void *page = phys_to_page(i + src);
1458                 void *from_virt = kmap(page);
1459                 void *to_virt = dst + i;
1460                 memcpy(to_virt, from_virt, PAGE_SIZE);
1461         }
1462         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1463                                       info->fix.smem_start);
1464         return 0;
1465 }
1466 #endif
1467 #ifdef CONFIG_RK_IOMMU
1468 static int g_last_addr[5][4];
1469 static int g_now_config_addr[5][4];
1470 static int g_last_state[5][4];
1471 static int g_now_config_state[5][4];
1472 int g_last_timeout;
1473 u32 freed_addr[10];
1474 u32 freed_index;
1475
1476 #define DUMP_CHUNK 256
1477 char buf[PAGE_SIZE];
1478
1479 int rk_fb_sysmmu_fault_handler(struct device *dev,
1480                                enum rk_iommu_inttype itype,
1481                                unsigned long pgtable_base,
1482                                unsigned long fault_addr, unsigned int status)
1483 {
1484         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1485         int i = 0, j = 0;
1486         static int page_fault_cnt;
1487         if ((page_fault_cnt++) >= 10)
1488                 return 0;
1489         pr_err
1490             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1491              fault_addr, pgtable_base, status);
1492         pr_info("last config addr:\n");
1493         for (i = 0; i < 4; i++) {
1494                 for (j = 0; j < 4; j++)
1495                         pr_info("win[%d],area[%d] = 0x%08x\n",
1496                                 i, j, g_last_addr[i][j]);
1497         }
1498         pr_info("last freed buffer:\n");
1499         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1500                 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1501         pr_info("last timeout:%d\n", g_last_timeout);
1502         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1503         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1504                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1505                         char c = buf[i + DUMP_CHUNK];
1506                         buf[i + DUMP_CHUNK] = 0;
1507                         pr_cont("%s", buf + i);
1508                         buf[i + DUMP_CHUNK] = c;
1509                 } else {
1510                         buf[PAGE_SIZE - 1] = 0;
1511                         pr_cont("%s", buf + i);
1512                 }
1513         }
1514
1515         return 0;
1516 }
1517 #endif
1518
1519 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1520                         struct rk_fb_reg_win_data *reg_win_data)
1521 {
1522         int i, index_buf;
1523         struct rk_fb_reg_area_data *area_data;
1524         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1525
1526         for (i = 0; i < reg_win_data->area_num; i++) {
1527                 area_data = &reg_win_data->reg_area_data[i];
1528                 index_buf = area_data->index_buf;
1529 #if defined(CONFIG_RK_IOMMU)
1530                 if (dev_drv->iommu_enabled) {
1531                         if (area_data->ion_handle != NULL &&
1532                             !IS_YUV_FMT(area_data->data_format))
1533                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1534                                                 area_data->ion_handle);
1535                         freed_addr[freed_index++] = area_data->smem_start;
1536                 }
1537 #endif
1538                 if (area_data->ion_handle != NULL)
1539                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1540
1541                 if (area_data->acq_fence)
1542                         sync_fence_put(area_data->acq_fence);
1543         }
1544         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1545 }
1546
1547 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1548                                 struct rk_lcdc_win *win,
1549                                 struct rk_fb_reg_win_data *reg_win_data)
1550 {
1551         int i = 0;
1552         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1553         struct rk_screen *cur_screen;
1554         struct rk_screen primary_screen;
1555
1556         if (unlikely(!inf) || unlikely(!dev_drv) ||
1557             unlikely(!win) || unlikely(!reg_win_data))
1558                 return;
1559
1560         cur_screen = dev_drv->cur_screen;
1561         rk_fb_get_prmry_screen(&primary_screen);
1562
1563         win->area_num = reg_win_data->area_num;
1564         win->id = reg_win_data->win_id;
1565         win->z_order = reg_win_data->z_order;
1566
1567         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1568                 win->state = 1;
1569                 win->area_num = reg_win_data->area_num;
1570                 win->id = reg_win_data->win_id;
1571                 win->z_order = reg_win_data->z_order;
1572                 win->area[0].uv_vir_stride =
1573                     reg_win_data->reg_area_data[0].uv_vir_stride;
1574                 win->area[0].cbr_start =
1575                     reg_win_data->reg_area_data[0].cbr_start;
1576                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1577                 win->alpha_en = reg_win_data->alpha_en;
1578                 win->alpha_mode = reg_win_data->alpha_mode;
1579                 win->g_alpha_val = reg_win_data->g_alpha_val;
1580                 /*
1581                  * reg_win_data mirror_en means that xmirror ymirror all
1582                  * enabled.
1583                  */
1584                 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1585                 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1586                 win->colorspace = reg_win_data->colorspace;
1587                 win->area[0].fbdc_en =
1588                         reg_win_data->reg_area_data[0].fbdc_en;
1589                 win->area[0].fbdc_cor_en =
1590                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1591                 win->area[0].fbdc_data_format =
1592                         reg_win_data->reg_area_data[0].fbdc_data_format;
1593                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1594                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1595                                 win->area[i].format =
1596                                         reg_win_data->reg_area_data[i].data_format;
1597                                 win->area[i].ion_hdl =
1598                                         reg_win_data->reg_area_data[i].ion_handle;
1599                                 win->area[i].smem_start =
1600                                         reg_win_data->reg_area_data[i].smem_start;
1601                                 if (inf->disp_mode == DUAL ||
1602                                     inf->disp_mode == NO_DUAL) {
1603                                         win->area[i].xpos =
1604                                                 reg_win_data->reg_area_data[i].xpos;
1605                                         win->area[i].ypos =
1606                                                 reg_win_data->reg_area_data[i].ypos;
1607                                         win->area[i].xsize =
1608                                                 reg_win_data->reg_area_data[i].xsize;
1609                                         win->area[i].ysize =
1610                                                 reg_win_data->reg_area_data[i].ysize;
1611                                 } else {
1612                                         win->area[i].xpos =
1613                                                 reg_win_data->reg_area_data[i].xpos *
1614                                                 cur_screen->mode.xres /
1615                                                 primary_screen.mode.xres;
1616                                         win->area[i].ypos =
1617                                                 reg_win_data->reg_area_data[i].ypos *
1618                                                 cur_screen->mode.yres /
1619                                                 primary_screen.mode.yres;
1620                                         win->area[i].xsize =
1621                                                 reg_win_data->reg_area_data[i].xsize *
1622                                                 cur_screen->mode.xres /
1623                                                 primary_screen.mode.xres;
1624                                         win->area[i].ysize =
1625                                                 reg_win_data->reg_area_data[i].ysize *
1626                                                 cur_screen->mode.yres /
1627                                                 primary_screen.mode.yres;
1628
1629                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1630                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1631                                                 if (cur_screen->xsize > 0 &&
1632                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1633                                                         win->area[i].xpos =
1634                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1635                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1636                                                         win->area[i].xsize =
1637                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1638                                                 }
1639                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1640                                                         win->area[i].ypos =
1641                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1642                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1643                                                         win->area[i].ysize =
1644                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1645                                                 }
1646                                         }
1647                                 }
1648                                 win->area[i].xact =
1649                                     reg_win_data->reg_area_data[i].xact;
1650                                 win->area[i].yact =
1651                                     reg_win_data->reg_area_data[i].yact;
1652                                 win->area[i].xvir =
1653                                     reg_win_data->reg_area_data[i].xvir;
1654                                 win->area[i].yvir =
1655                                     reg_win_data->reg_area_data[i].yvir;
1656                                 win->area[i].xoff =
1657                                     reg_win_data->reg_area_data[i].xoff;
1658                                 win->area[i].yoff =
1659                                     reg_win_data->reg_area_data[i].yoff;
1660                                 win->area[i].y_offset =
1661                                     reg_win_data->reg_area_data[i].y_offset;
1662                                 win->area[i].y_vir_stride =
1663                                     reg_win_data->reg_area_data[i].y_vir_stride;
1664                                 win->area[i].state = 1;
1665 #if defined(CONFIG_RK_IOMMU)
1666                                 if (dev_drv->iommu_enabled) {
1667                                         g_now_config_addr[win->id][i] =
1668                                                 win->area[i].smem_start +
1669                                                 win->area[i].y_offset;
1670                                         g_now_config_state[win->id][i] = 1;
1671                                 }
1672 #endif
1673                         } else {
1674                                 win->area[i].state = 0;
1675 #if defined(CONFIG_RK_IOMMU)
1676                                 if (dev_drv->iommu_enabled) {
1677                                         g_now_config_addr[win->id][i] = 0;
1678                                         g_now_config_state[win->id][i] = 0;
1679                                 }
1680 #endif
1681                         }
1682                 }
1683         }
1684 }
1685
1686 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1687                                                      *regs, int win_id)
1688 {
1689         int i;
1690         struct rk_fb_reg_win_data *win_data = NULL;
1691
1692         for (i = 0; i < regs->win_num; i++) {
1693                 if (regs->reg_win_data[i].win_id == win_id) {
1694                         win_data = &(regs->reg_win_data[i]);
1695                         break;
1696                 }
1697         }
1698
1699         return win_data;
1700 }
1701
1702 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1703                               struct rk_fb_reg_data *regs,
1704                               int count)
1705 {
1706         int i, j, wait_for_vsync = false;
1707         unsigned int dsp_addr[5][4];
1708         int win_status = 0;
1709
1710         if (dev_drv->ops->get_dsp_addr)
1711                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1712
1713         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1714                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1715                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1716                                 continue;
1717                         if (dev_drv->win[i]->area[j].state == 1) {
1718                                 u32 new_start =
1719                                         dev_drv->win[i]->area[j].smem_start +
1720                                         dev_drv->win[i]->area[j].y_offset;
1721                                 u32 reg_start = dsp_addr[i][j];
1722                                 if (unlikely(new_start != reg_start)) {
1723                                         wait_for_vsync = true;
1724                                         dev_info(dev_drv->dev,
1725                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1726                                                  i, new_start, reg_start,
1727                                                  101 - count);
1728                                         break;
1729                                 }
1730                         } else if (dev_drv->win[i]->area[j].state == 0) {
1731                                 if (dev_drv->ops->get_win_state) {
1732                                         win_status =
1733                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1734                                         if (win_status)
1735                                                 wait_for_vsync = true;
1736                                 }
1737                         } else {
1738                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1739                                        i, dev_drv->win[i]->state);
1740                         }
1741                 }
1742         }
1743
1744         return wait_for_vsync;
1745 }
1746
1747 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1748 {
1749         int i, j, state, page_fault = 0;
1750         unsigned int dsp_addr[5][4];
1751
1752         if (dev_drv->ops->extern_func) {
1753                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1754                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1755         }
1756         if (page_fault) {
1757                 pr_info("last config:\n");
1758                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1759                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1760                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1761                                         continue;
1762                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1763                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1764                         }
1765                 }
1766
1767                 pr_info("last freed buffer:\n");
1768                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1769                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1770
1771                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1772                 pr_info("vop now state:\n");
1773                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1774                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1775                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1776                                         continue;
1777                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1778                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1779                                         i, j, state, dsp_addr[i][j]);
1780                         }
1781                 }
1782                 pr_info("now config:\n");
1783                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1784                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1785                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1786                                         continue;
1787                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1788                                         i, j, g_now_config_state[i][j],
1789                                         g_now_config_addr[i][j]);
1790                         }
1791                 }
1792                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1793                         rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1794                                            &dev_drv->tmp_regs[i], 0);
1795         }
1796
1797         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1798                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1799                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1800                                 continue;
1801                         g_last_addr[i][j] = g_now_config_addr[i][j];
1802                         g_last_state[i][j] = g_now_config_state[i][j];
1803                 }
1804         }
1805
1806         return page_fault;
1807 }
1808 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1809                              struct rk_fb_reg_data *regs)
1810 {
1811         int i, j;
1812         struct rk_lcdc_win *win;
1813         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1814         struct rk_fb_reg_win_data *win_data;
1815         bool wait_for_vsync;
1816         int count = 100;
1817         long timeout;
1818         int pagefault = 0;
1819
1820         if (dev_drv->suspend_flag == 1) {
1821 #ifdef H_USE_FENCE
1822                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1823 #endif
1824                 for (i = 0; i < regs->win_num; i++) {
1825                         win_data = &regs->reg_win_data[i];
1826                         rk_fb_free_dma_buf(dev_drv, win_data);
1827                 }
1828                 return;
1829         }
1830         /* acq_fence wait */
1831         for (i = 0; i < regs->win_num; i++) {
1832                 win_data = &regs->reg_win_data[i];
1833                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1834                         if (win_data->reg_area_data[j].acq_fence) {
1835                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1836                         }
1837                 }
1838         }
1839
1840         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1841                 win = dev_drv->win[i];
1842                 win_data = rk_fb_get_win_data(regs, i);
1843                 if (win_data) {
1844                         mutex_lock(&dev_drv->win_config);
1845                         rk_fb_update_win(dev_drv, win, win_data);
1846                         win->state = 1;
1847                         dev_drv->ops->set_par(dev_drv, i);
1848                         dev_drv->ops->pan_display(dev_drv, i);
1849                         mutex_unlock(&dev_drv->win_config);
1850                 } else {
1851                         win->z_order = -1;
1852                         win->state = 0;
1853                         for (j = 0; j < 4; j++)
1854                                 win->area[j].state = 0;
1855 #if defined(CONFIG_RK_IOMMU)
1856                         if (dev_drv->iommu_enabled) {
1857                                 for (j = 0; j < 4; j++) {
1858                                         g_now_config_addr[i][j] = 0;
1859                                         g_now_config_state[i][j] = 0;
1860                                 }
1861                         }
1862 #endif
1863                 }
1864         }
1865         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1866
1867         if (rk_fb_iommu_debug > 0)
1868                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1869
1870         if (pagefault == 0)
1871                 dev_drv->ops->cfg_done(dev_drv);
1872         else
1873                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1874
1875         do {
1876                 timestamp = dev_drv->vsync_info.timestamp;
1877                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1878                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1879                                 msecs_to_jiffies(50));
1880
1881                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1882         } while (wait_for_vsync && count--);
1883 #ifdef H_USE_FENCE
1884         sw_sync_timeline_inc(dev_drv->timeline, 1);
1885 #endif
1886
1887         if (dev_drv->front_regs) {
1888 #if defined(CONFIG_RK_IOMMU)
1889                 if (dev_drv->iommu_enabled) {
1890                         if (dev_drv->ops->mmu_en)
1891                                 dev_drv->ops->mmu_en(dev_drv);
1892                         freed_index = 0;
1893                         g_last_timeout = timeout;
1894                 }
1895 #endif
1896
1897                 mutex_lock(&dev_drv->front_lock);
1898
1899                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1900                         win_data = &dev_drv->front_regs->reg_win_data[i];
1901                         rk_fb_free_dma_buf(dev_drv, win_data);
1902                 }
1903                 kfree(dev_drv->front_regs);
1904
1905                 mutex_unlock(&dev_drv->front_lock);
1906
1907 #if defined(CONFIG_RK_IOMMU)
1908                 if (dev_drv->iommu_enabled)
1909                         freed_addr[freed_index] = 0xfefefefe;
1910 #endif
1911         }
1912
1913         mutex_lock(&dev_drv->front_lock);
1914
1915         dev_drv->front_regs = regs;
1916
1917         mutex_unlock(&dev_drv->front_lock);
1918
1919         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1920 }
1921
1922 static void rk_fb_update_regs_handler(struct kthread_work *work)
1923 {
1924         struct rk_lcdc_driver *dev_drv =
1925             container_of(work, struct rk_lcdc_driver, update_regs_work);
1926         struct rk_fb_reg_data *data, *next;
1927
1928         mutex_lock(&dev_drv->update_regs_list_lock);
1929         dev_drv->saved_list = dev_drv->update_regs_list;
1930         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1931         mutex_unlock(&dev_drv->update_regs_list_lock);
1932
1933         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1934                 rk_fb_update_reg(dev_drv, data);
1935                 list_del(&data->list);
1936         }
1937
1938         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1939                 wake_up(&dev_drv->update_regs_wait);
1940 }
1941
1942 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1943                                   struct rk_screen *screen)
1944 {
1945         if (area_par->phy_addr > 0)
1946                 pr_err("%s[%d], phy_addr = 0x%x\n",
1947                        __func__, __LINE__, area_par->phy_addr);
1948         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1949             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1950             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1951                 pr_err("check config var fail 0:\n"
1952                        "x_offset=%d,xact=%d,xvir=%d\n",
1953                        area_par->x_offset, area_par->xact, area_par->xvir);
1954                 return -EINVAL;
1955         }
1956
1957         if ((area_par->xpos >= screen->mode.xres) ||
1958             (area_par->ypos >= screen->mode.yres) ||
1959             ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
1960                 pr_warn("check config var fail 1:\n"
1961                        "xpos=%d,xsize=%d,xres=%d\n"
1962                        "ypos=%d,ysize=%d,yres=%d\n",
1963                        area_par->xpos, area_par->xsize, screen->mode.xres,
1964                        area_par->ypos, area_par->ysize, screen->mode.yres);
1965                 return -EINVAL;
1966         }
1967         return 0;
1968 }
1969
1970 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1971                               struct rk_fb_win_cfg_data *win_data,
1972                               struct rk_fb_reg_data *regs, u32 cmd)
1973 {
1974         int i, j;
1975         struct rk_fb_win_par *win_par;
1976         struct rk_fb_area_par *area_par;
1977         struct rk_fb_reg_win_data *reg_win_data;
1978         struct rk_fb_reg_area_data *area_data;
1979
1980         rk_fb_dbg(cmd, "-------------frame start-------------\n");
1981         rk_fb_dbg(cmd, "user config:\n");
1982         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1983                 win_par = &(win_data->win_par[i]);
1984                 if ((win_par->area_par[0].ion_fd <= 0) &&
1985                     (win_par->area_par[0].phy_addr <= 0))
1986                         continue;
1987                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1988                           win_par->win_id, win_par->z_order,
1989                           win_par->g_alpha_val);
1990                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1991                         area_par = &(win_par->area_par[j]);
1992                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1993                             ((win_par->area_par[j].ion_fd <= 0) &&
1994                              (win_par->area_par[j].phy_addr <= 0)))
1995                                 continue;
1996                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1997                                   j, area_par->data_format, area_par->ion_fd,
1998                                   area_par->phy_addr, area_par->x_offset,
1999                                   area_par->y_offset);
2000                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2001                                   area_par->xpos, area_par->ypos,
2002                                   area_par->xsize, area_par->ysize);
2003                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2004                                   area_par->xact, area_par->yact,
2005                                   area_par->xvir, area_par->yvir);
2006                 }
2007         }
2008
2009         rk_fb_dbg(cmd, "regs data:\n");
2010         rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2011                   regs->win_num, regs->buf_num);
2012         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2013                 reg_win_data = &(regs->reg_win_data[i]);
2014                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2015                         continue;
2016                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2017                           reg_win_data->win_id, reg_win_data->z_order,
2018                           reg_win_data->area_num, reg_win_data->area_buf_num);
2019                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2020                         area_data = &(reg_win_data->reg_area_data[j]);
2021                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2022                             (area_data->smem_start <= 0))
2023                                 continue;
2024                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2025                                   j, area_data->data_format, area_data->ion_handle,
2026                                   area_data->smem_start, area_data->cbr_start);
2027                         rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2028                                   area_data->y_offset, area_data->c_offset, area_data->buff_len);
2029                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2030                                   area_data->xpos, area_data->ypos,
2031                                   area_data->xsize, area_data->ysize);
2032                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2033                                   area_data->xact, area_data->yact,
2034                                   area_data->xvir, area_data->yvir);
2035                 }
2036         }
2037         rk_fb_dbg(cmd, "-------------frame end---------------\n");
2038
2039         return 0;
2040 }
2041 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2042                                    struct rk_fb_win_cfg_data *win_cfg,
2043                                    struct rk_fb_reg_data *regs)
2044 {
2045         int i;
2046
2047         /*2->1->0: 0 is newest*/
2048         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2049                 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2050                        &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2051                        sizeof(struct rk_fb_win_cfg_data));
2052                 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2053                        &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2054                        sizeof(struct rk_fb_reg_data));
2055         }
2056
2057         memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2058                sizeof(struct rk_fb_win_cfg_data));
2059         memcpy(&dev_drv->tmp_regs[0], regs,
2060                sizeof(struct rk_fb_reg_data));
2061
2062         return 0;
2063 }
2064 static int rk_fb_set_win_buffer(struct fb_info *info,
2065                                 struct rk_fb_win_par *win_par,
2066                                 struct rk_fb_reg_win_data *reg_win_data)
2067 {
2068         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2069         struct fb_fix_screeninfo *fix = &info->fix;
2070         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2071         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2072         /*if hdmi size move to hwc,screen should point to cur_screen
2073          *otherwise point to screen0[main screen]*/
2074         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2075         struct fb_info *fbi;
2076         int i, ion_fd, acq_fence_fd;
2077         u32 xvir, yvir;
2078         u32 xoffset, yoffset;
2079
2080         struct ion_handle *hdl;
2081         size_t len;
2082         int index_buf;
2083         u8 fb_data_fmt;
2084         u8 pixel_width;
2085         u32 vir_width_bit;
2086         u32 stride, uv_stride;
2087         u32 stride_32bit_1;
2088         u32 stride_32bit_2;
2089         u16 uv_x_off, uv_y_off, uv_y_act;
2090         u8 is_pic_yuv = 0;
2091         u8 ppixel_a = 0, global_a = 0;
2092         ion_phys_addr_t phy_addr;
2093         int ret = 0;
2094         int buff_len;
2095
2096         reg_win_data->reg_area_data[0].smem_start = -1;
2097         reg_win_data->area_num = 0;
2098         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2099         if (win_par->area_par[0].phy_addr == 0) {
2100                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2101                         ion_fd = win_par->area_par[i].ion_fd;
2102                         if (ion_fd > 0) {
2103                                 hdl =
2104                                     ion_import_dma_buf(rk_fb->ion_client,
2105                                                        ion_fd);
2106                                 if (IS_ERR(hdl)) {
2107                                         pr_info("%s: Could not import handle:"
2108                                                 " %ld\n", __func__, (long)hdl);
2109                                         return -EINVAL;
2110                                         break;
2111                                 }
2112                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2113 #ifndef CONFIG_RK_IOMMU
2114                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2115                                                &len);
2116 #else
2117                                 if (dev_drv->iommu_enabled)
2118                                         ret = ion_map_iommu(dev_drv->dev,
2119                                                             rk_fb->ion_client,
2120                                                             hdl,
2121                                                             (unsigned long *)&phy_addr,
2122                                                             (unsigned long *)&len);
2123                                 else
2124                                         ret = ion_phys(rk_fb->ion_client, hdl,
2125                                                        &phy_addr, &len);
2126 #endif
2127                                 if (ret < 0) {
2128                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2129                                         ion_free(rk_fb->ion_client, hdl);
2130                                         return -ENOMEM;
2131                                 }
2132                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2133                                 reg_win_data->area_num++;
2134                                 reg_win_data->area_buf_num++;
2135                                 reg_win_data->reg_area_data[i].index_buf = 1;
2136                                 reg_win_data->reg_area_data[i].buff_len = len;
2137                         }
2138                 }
2139         } else {
2140                 reg_win_data->reg_area_data[0].smem_start =
2141                     win_par->area_par[0].phy_addr;
2142                 reg_win_data->area_num = 1;
2143                 reg_win_data->area_buf_num++;
2144                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2145         }
2146
2147         if (reg_win_data->area_num == 0) {
2148                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2149                         reg_win_data->reg_area_data[i].smem_start = 0;
2150                 reg_win_data->z_order = -1;
2151                 reg_win_data->win_id = -1;
2152                 return 0;
2153         }
2154
2155         for (i = 0; i < reg_win_data->area_num; i++) {
2156                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2157                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2158                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2159                         reg_win_data->reg_area_data[i].acq_fence =
2160                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2161                 }
2162         }
2163         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2164                 reg_win_data->z_order = win_par->z_order;
2165                 reg_win_data->win_id = win_par->win_id;
2166         } else {
2167                 reg_win_data->z_order = -1;
2168                 reg_win_data->win_id = -1;
2169         }
2170
2171         reg_win_data->mirror_en = win_par->mirror_en;
2172         for (i = 0; i < reg_win_data->area_num; i++) {
2173                 u8 data_format = win_par->area_par[i].data_format;
2174                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2175                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2176                 data_format &= ~CSC_MASK;
2177                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2178                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2179                 if (IS_FBDC_FMT(fb_data_fmt)) {
2180                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2181                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2182                 } else {
2183                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2184                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2185                 }
2186                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2187
2188                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2189                              (fb_data_fmt == FBDC_ARGB_888) ||
2190                              (fb_data_fmt == FBDC_ABGR_888) ||
2191                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2192                 /*act_height should be 2 pix align for interlace output*/
2193                 if (win_par->area_par[i].yact % 2 == 1) {
2194                         win_par->area_par[i].yact  -= 1;
2195                         win_par->area_par[i].ysize -= 1;
2196                 }
2197
2198                 /* buf offset should be 2 pix align*/
2199                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2200                     IS_YUV_FMT(fb_data_fmt)) {
2201                         win_par->area_par[i].x_offset += 1;
2202                         win_par->area_par[i].xact -= 1;
2203                 }
2204
2205                 /* visiable pos in panel */
2206                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2207                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2208
2209                 /* realy size in panel */
2210                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2211                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2212
2213                 /* realy size in panel */
2214                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2215                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2216
2217                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2218                 yoffset = win_par->area_par[i].y_offset;
2219                 reg_win_data->reg_area_data[i].xoff = xoffset;
2220                 reg_win_data->reg_area_data[i].yoff = yoffset;
2221
2222                 xvir = win_par->area_par[i].xvir;
2223                 reg_win_data->reg_area_data[i].xvir = xvir;
2224                 yvir = win_par->area_par[i].yvir;
2225                 reg_win_data->reg_area_data[i].yvir = yvir;
2226
2227                 vir_width_bit = pixel_width * xvir;
2228                 /* pixel_width = byte_num*8 */
2229                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2230                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2231
2232                 stride = stride_32bit_1;        /* default rgb */
2233                 fix->line_length = stride;
2234                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2235
2236                 /* x y mirror ,jump line
2237                  * reg_win_data->reg_area_data[i].y_offset =
2238                  *              yoffset*stride+xoffset*pixel_width/8;
2239                  */
2240                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2241                         if (screen->interlace == 1) {
2242                                 reg_win_data->reg_area_data[i].y_offset =
2243                                     yoffset * stride * 2 +
2244                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2245                                     xoffset * pixel_width / 8;
2246                         } else {
2247                                 reg_win_data->reg_area_data[i].y_offset =
2248                                     yoffset * stride +
2249                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2250                                     xoffset * pixel_width / 8;
2251                         }
2252                 } else {
2253                         if (screen->interlace == 1) {
2254                                 reg_win_data->reg_area_data[i].y_offset =
2255                                     yoffset * stride * 2 +
2256                                     xoffset * pixel_width / 8;
2257                         } else {
2258                                 reg_win_data->reg_area_data[i].y_offset =
2259                                     yoffset * stride +
2260                                     xoffset * pixel_width / 8;
2261                         }
2262                 }
2263                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2264                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2265                                 reg_win_data->reg_area_data[i].xvir *
2266                                 reg_win_data->reg_area_data[i].yact *
2267                                 pixel_width / 8 -
2268                                 reg_win_data->reg_area_data[i].xoff*
2269                                 pixel_width / 8;
2270                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2271                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2272                                        "yact[%d]*bpp[%d]"
2273                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2274                                        fb_data_fmt,
2275                                        reg_win_data->reg_area_data[i].xvir,
2276                                        reg_win_data->reg_area_data[i].yact,
2277                                        pixel_width, buff_len,
2278                                        reg_win_data->reg_area_data[i].buff_len);
2279                 }
2280         }
2281
2282         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2283         reg_win_data->alpha_en = ppixel_a | global_a;
2284         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2285         reg_win_data->alpha_mode = win_par->alpha_mode;
2286
2287         switch (fb_data_fmt) {
2288         case YUV422:
2289         case YUV422_A:
2290                 is_pic_yuv = 1;
2291                 stride = stride_32bit_1;
2292                 uv_stride = stride_32bit_1;
2293                 uv_x_off = xoffset;
2294                 uv_y_off = yoffset;
2295                 fix->line_length = stride;
2296                 uv_y_act = win_par->area_par[0].yact >> 1;
2297                 break;
2298         case YUV420:            /* nv12 */
2299         case YUV420_NV21:       /* nv21 */
2300         case YUV420_A:
2301                 is_pic_yuv = 1;
2302                 stride = stride_32bit_1;
2303                 uv_stride = stride_32bit_1;
2304                 uv_x_off = xoffset;
2305                 uv_y_off = yoffset >> 1;
2306                 fix->line_length = stride;
2307                 uv_y_act = win_par->area_par[0].yact >> 1;
2308                 break;
2309         case YUV444:
2310         case YUV444_A:
2311                 is_pic_yuv = 1;
2312                 stride = stride_32bit_1;
2313                 uv_stride = stride_32bit_2;
2314                 uv_x_off = xoffset * 2;
2315                 uv_y_off = yoffset;
2316                 fix->line_length = stride << 2;
2317                 uv_y_act = win_par->area_par[0].yact;
2318                 break;
2319         default:
2320                 break;
2321         }
2322         if (is_pic_yuv == 1) {
2323                 reg_win_data->reg_area_data[0].cbr_start =
2324                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2325                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2326                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2327                         if (screen->interlace == 1) {
2328                                 reg_win_data->reg_area_data[0].c_offset =
2329                                     uv_y_off * uv_stride * 2 +
2330                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2331                                     uv_x_off * pixel_width / 8;
2332                         } else {
2333                                 reg_win_data->reg_area_data[0].c_offset =
2334                                     uv_y_off * uv_stride +
2335                                     (uv_y_act - 1) * uv_stride +
2336                                     uv_x_off * pixel_width / 8;
2337                         }
2338                 } else {
2339                         if (screen->interlace == 1) {
2340                                 reg_win_data->reg_area_data[0].c_offset =
2341                                     uv_y_off * uv_stride * 2 +
2342                                     uv_x_off * pixel_width / 8;
2343                         } else {
2344                                 reg_win_data->reg_area_data[0].c_offset =
2345                                     uv_y_off * uv_stride +
2346                                     uv_x_off * pixel_width / 8;
2347                         }
2348                 }
2349                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2350                         reg_win_data->reg_area_data[0].c_offset +
2351                         reg_win_data->reg_area_data[0].xvir *
2352                         reg_win_data->reg_area_data[0].yact *
2353                         pixel_width / 16 -
2354                         reg_win_data->reg_area_data[0].smem_start -
2355                         reg_win_data->reg_area_data[0].xoff*
2356                         pixel_width / 16;
2357                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2358                         dev_drv->iommu_enabled)
2359                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2360                                "yact[%d]*bpp[%d]"
2361                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2362                                fb_data_fmt,
2363                                reg_win_data->reg_area_data[0].xvir,
2364                                reg_win_data->reg_area_data[0].yact,
2365                                pixel_width, buff_len,
2366                                reg_win_data->reg_area_data[0].buff_len);
2367         }
2368
2369         /* record buffer information for rk_fb_disp_scale to prevent fence
2370          * timeout because rk_fb_disp_scale will call function
2371          * info->fbops->fb_set_par(info);
2372          * delete by hjc for new hdmi overscan framework.
2373          */
2374         /* info->var.yoffset = yoffset;
2375          * info->var.xoffset = xoffset;
2376          */
2377         return 0;
2378 }
2379
2380 static int rk_fb_set_win_config(struct fb_info *info,
2381                                 struct rk_fb_win_cfg_data *win_data)
2382 {
2383         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2384         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2385         struct rk_fb_reg_data *regs;
2386 #ifdef H_USE_FENCE
2387         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2388         struct sync_fence *retire_fence;
2389         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2390         struct sync_pt *retire_sync_pt;
2391         char fence_name[20];
2392 #endif
2393         int ret = 0, i, j = 0;
2394         int list_is_empty = 0;
2395         struct rk_screen *screen = dev_drv->cur_screen;
2396
2397         mutex_lock(&dev_drv->output_lock);
2398
2399         for (i = 0; i < 4; i++) {
2400                 for (j = 0; j < 4; j++) {
2401                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2402                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2403                                 ret += rk_fb_check_config_var(
2404                                         &win_data->win_par[i].area_par[j],
2405                                         screen);
2406                 }
2407         }
2408         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2409                 dev_drv->timeline_max++;
2410                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2411                 if (dev_drv->suspend_flag)
2412                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2413                 else if (dev_drv->hdmi_switch)
2414                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2415                 else
2416                         pr_err("error config ,ignore\n");
2417                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2418                         win_data->rel_fence_fd[j] = -1;
2419                 win_data->ret_fence_fd = -1;
2420                 goto err;
2421         }
2422
2423         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2424         if (!regs) {
2425                 pr_info("could not allocate rk_fb_reg_data\n");
2426                 ret = -ENOMEM;
2427                 goto err;
2428         }
2429
2430         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2431                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2432                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2433                                                  &regs->reg_win_data[j])) {
2434                                 ret = -ENOMEM;
2435                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2436                                 goto err2;
2437                         }
2438                         if (regs->reg_win_data[j].area_num > 0) {
2439                                 regs->win_num++;
2440                                 regs->buf_num +=
2441                                     regs->reg_win_data[j].area_buf_num;
2442                         }
2443                         j++;
2444                 } else {
2445                         pr_info("error:win_id bigger than lcdc_win_num\n");
2446                         pr_info("i=%d,win_id=%d\n", i,
2447                                win_data->win_par[i].win_id);
2448                 }
2449         }
2450
2451         if (regs->win_num <= 0)
2452                 goto err_null_frame;
2453
2454         dev_drv->timeline_max++;
2455 #ifdef H_USE_FENCE
2456         win_data->ret_fence_fd = get_unused_fd_flags(0);
2457         if (win_data->ret_fence_fd < 0) {
2458                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2459                 win_data->ret_fence_fd = -1;
2460                 ret = -EFAULT;
2461                 goto err2;
2462         }
2463         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2464                 if (i < regs->buf_num) {
2465                         sprintf(fence_name, "fence%d", i);
2466                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2467                         if (win_data->rel_fence_fd[i] < 0) {
2468                                 pr_info("rel_fence_fd=%d\n",
2469                                        win_data->rel_fence_fd[i]);
2470                                 ret = -EFAULT;
2471                                 goto err2;
2472                         }
2473                         release_sync_pt[i] =
2474                             sw_sync_pt_create(dev_drv->timeline,
2475                                               dev_drv->timeline_max);
2476                         release_fence[i] =
2477                             sync_fence_create(fence_name, release_sync_pt[i]);
2478                         sync_fence_install(release_fence[i],
2479                                            win_data->rel_fence_fd[i]);
2480                 } else {
2481                         win_data->rel_fence_fd[i] = -1;
2482                 }
2483         }
2484
2485         retire_sync_pt =
2486             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2487         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2488         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2489 #else
2490         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2491                 win_data->rel_fence_fd[i] = -1;
2492
2493         win_data->ret_fence_fd = -1;
2494 #endif
2495         if (dev_drv->wait_fs == 0) {
2496                 mutex_lock(&dev_drv->update_regs_list_lock);
2497                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2498                 mutex_unlock(&dev_drv->update_regs_list_lock);
2499                 queue_kthread_work(&dev_drv->update_regs_worker,
2500                                    &dev_drv->update_regs_work);
2501         } else {
2502                 mutex_lock(&dev_drv->update_regs_list_lock);
2503                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2504                                         list_empty(&dev_drv->saved_list);
2505                 mutex_unlock(&dev_drv->update_regs_list_lock);
2506                 if (!list_is_empty) {
2507                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2508                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2509                                 msecs_to_jiffies(60));
2510                         if (ret > 0)
2511                                 rk_fb_update_reg(dev_drv, regs);
2512                         else
2513                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2514                 } else if (ret == 0) {
2515                         rk_fb_update_reg(dev_drv, regs);
2516                 }
2517         }
2518         if (rk_fb_debug_lvl > 0)
2519                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2520         if (rk_fb_iommu_debug > 0)
2521                 rk_fb_config_backup(dev_drv, win_data, regs);
2522 err:
2523         mutex_unlock(&dev_drv->output_lock);
2524         return ret;
2525 err_null_frame:
2526         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2527                 win_data->rel_fence_fd[j] = -1;
2528         win_data->ret_fence_fd = -1;
2529         pr_info("win num = %d,null frame\n", regs->win_num);
2530 err2:
2531         kfree(regs);
2532         mutex_unlock(&dev_drv->output_lock);
2533
2534         return ret;
2535 }
2536
2537 #if 1
2538 static int cfgdone_distlist[10] = { 0 };
2539
2540 static int cfgdone_index;
2541 static int cfgdone_lasttime;
2542
2543 int rk_get_real_fps(int before)
2544 {
2545         struct timespec now;
2546         int dist_curr;
2547         int dist_total = 0;
2548         int dist_count = 0;
2549         int dist_first = 0;
2550
2551         int index = cfgdone_index;
2552         int i = 0, fps = 0;
2553         int total;
2554
2555         if (before > 100)
2556                 before = 100;
2557         if (before < 0)
2558                 before = 0;
2559
2560         getnstimeofday(&now);
2561         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2562                         cfgdone_lasttime;
2563         total = dist_curr;
2564         for (i = 0; i < 10; i++) {
2565                 if (--index < 0)
2566                         index = 9;
2567                 total += cfgdone_distlist[index];
2568                 if (i == 0)
2569                         dist_first = cfgdone_distlist[index];
2570                 if (total < (before * 1000)) {
2571                         dist_total += cfgdone_distlist[index];
2572                         dist_count++;
2573                 } else {
2574                         break;
2575                 }
2576         }
2577
2578         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2579         dist_total += dist_curr;
2580         dist_count++;
2581
2582         if (dist_total > 0)
2583                 fps = (1000000 * dist_count) / dist_total;
2584         else
2585                 fps = 60;
2586
2587         return fps;
2588 }
2589 EXPORT_SYMBOL(rk_get_real_fps);
2590
2591 #endif
2592 #ifdef CONFIG_RK_IOMMU
2593 #define ION_MAX 10
2594 static struct ion_handle *ion_hanle[ION_MAX];
2595 static struct ion_handle *ion_hwc[1];
2596 #endif
2597 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2598                        unsigned long arg)
2599 {
2600         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2601         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2602         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2603         struct fb_fix_screeninfo *fix = &info->fix;
2604         struct rk_lcdc_win *win;
2605         int enable;     /* enable fb:1 enable;0 disable */
2606         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2607         int num_buf;    /* buffer_number */
2608         int ret = 0;
2609         struct rk_fb_win_cfg_data win_data;
2610         unsigned int dsp_addr[4][4];
2611         int list_stat;
2612
2613         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2614         void __user *argp = (void __user *)arg;
2615
2616         win = dev_drv->win[win_id];
2617         switch (cmd) {
2618         case RK_FBIOSET_HWC_ADDR:
2619         {
2620                 u32 hwc_phy[1];
2621
2622                 if (copy_from_user(hwc_phy, argp, 4))
2623                         return -EFAULT;
2624 #ifdef CONFIG_RK_IOMMU
2625                 if (!dev_drv->iommu_enabled) {
2626 #endif
2627                         fix->smem_start = hwc_phy[0];
2628 #ifdef CONFIG_RK_IOMMU
2629                 } else {
2630                         int usr_fd;
2631                         struct ion_handle *hdl;
2632                         ion_phys_addr_t phy_addr;
2633                         size_t len;
2634
2635                         usr_fd = hwc_phy[0];
2636                         if (!usr_fd) {
2637                                 fix->smem_start = 0;
2638                                 fix->mmio_start = 0;
2639                                 dev_drv->ops->open(dev_drv, win_id, 0);
2640                                 break;
2641                         }
2642
2643                         if (ion_hwc[0] != 0) {
2644                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2645                                 ion_hwc[0] = 0;
2646                         }
2647
2648                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2649                         if (IS_ERR(hdl)) {
2650                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2651                                         PTR_ERR(hdl));
2652                                 return -EFAULT;
2653                         }
2654
2655                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2656                                                 (unsigned long *)&phy_addr,
2657                                                 (unsigned long *)&len);
2658                         if (ret < 0) {
2659                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2660                                 ion_free(rk_fb->ion_client, hdl);
2661                                 return -ENOMEM;
2662                         }
2663                         fix->smem_start = phy_addr;
2664                         ion_hwc[0] = hdl;
2665                 }
2666 #endif
2667                 break;
2668         }
2669         case RK_FBIOSET_YUV_ADDR:
2670                 {
2671                         u32 yuv_phy[2];
2672
2673                         if (copy_from_user(yuv_phy, argp, 8))
2674                                 return -EFAULT;
2675                         #ifdef CONFIG_RK_IOMMU
2676                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2677                         #endif
2678                                 fix->smem_start = yuv_phy[0];
2679                                 fix->mmio_start = yuv_phy[1];
2680                         #ifdef CONFIG_RK_IOMMU
2681                         } else {
2682                                 int usr_fd, offset, tmp;
2683                                 struct ion_handle *hdl;
2684                                 ion_phys_addr_t phy_addr;
2685                                 size_t len;
2686
2687                                 usr_fd = yuv_phy[0];
2688                                 offset = yuv_phy[1] - yuv_phy[0];
2689                                 if (!usr_fd) {
2690                                         fix->smem_start = 0;
2691                                         fix->mmio_start = 0;
2692                                         break;
2693                                 }
2694
2695                                 if (ion_hanle[ION_MAX - 1] != 0) {
2696                                         /*ion_unmap_kernel(rk_fb->ion_client,
2697                                          *      ion_hanle[ION_MAX - 1]);
2698                                          *ion_unmap_iommu(dev_drv->dev,
2699                                          *      rk_fb->ion_client,
2700                                          *      ion_hanle[ION_MAX - 1]);
2701                                          */
2702                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2703                                         ion_hanle[ION_MAX - 1] = 0;
2704                                 }
2705
2706                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2707                                 if (IS_ERR(hdl)) {
2708                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2709                                                 PTR_ERR(hdl));
2710                                         return -EFAULT;
2711                                 }
2712
2713                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2714                                                     (unsigned long *)&phy_addr,
2715                                                     (unsigned long *)&len);
2716                                 if (ret < 0) {
2717                                         dev_err(info->dev, "ion map to get phy addr failed");
2718                                         ion_free(rk_fb->ion_client, hdl);
2719                                         return -ENOMEM;
2720                                 }
2721                                 fix->smem_start = phy_addr;
2722                                 fix->mmio_start = phy_addr + offset;
2723                                 fix->smem_len = len;
2724                                 /*info->screen_base =
2725                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2726                                  */
2727                                 ion_hanle[0] = hdl;
2728                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2729                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2730                                 ion_hanle[0] = 0;
2731                         }
2732                         #endif
2733                         break;
2734                 }
2735         case RK_FBIOSET_ENABLE:
2736                 if (copy_from_user(&enable, argp, sizeof(enable)))
2737                         return -EFAULT;
2738                                 if (enable && fb_par->state)
2739                                         fb_par->state++;
2740                                 else
2741                                         fb_par->state--;
2742                 dev_drv->ops->open(dev_drv, win_id, enable);
2743                 break;
2744         case RK_FBIOGET_ENABLE:
2745                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2746                 if (copy_to_user(argp, &enable, sizeof(enable)))
2747                         return -EFAULT;
2748                 break;
2749         case RK_FBIOSET_OVERLAY_STA:
2750                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2751                         return -EFAULT;
2752                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2753                 break;
2754         case RK_FBIOGET_OVERLAY_STA:
2755                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2756                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2757                         return -EFAULT;
2758                 break;
2759         case RK_FBIOPUT_NUM_BUFFERS:
2760                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2761                         return -EFAULT;
2762                 dev_drv->num_buf = num_buf;
2763                 break;
2764         case RK_FBIOSET_VSYNC_ENABLE:
2765                 if (copy_from_user(&enable, argp, sizeof(enable)))
2766                         return -EFAULT;
2767                 dev_drv->vsync_info.active = enable;
2768                 break;
2769
2770         case RK_FBIOGET_DSP_ADDR:
2771                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2772                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2773                         return -EFAULT;
2774                 break;
2775         case RK_FBIOGET_LIST_STA:
2776                 list_stat = rk_fb_get_list_stat(dev_drv);
2777                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2778                         return -EFAULT;
2779
2780                 break;
2781         case RK_FBIOGET_IOMMU_STA:
2782                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2783                                  sizeof(dev_drv->iommu_enabled)))
2784                         return -EFAULT;
2785                 break;
2786 #if defined(CONFIG_ION_ROCKCHIP)
2787         case RK_FBIOSET_DMABUF_FD:
2788                 {
2789                         int usr_fd;
2790                         struct ion_handle *hdl;
2791                         ion_phys_addr_t phy_addr;
2792                         size_t len;
2793                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2794                                 return -EFAULT;
2795
2796                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2797                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2798                         fix->smem_start = phy_addr;
2799                         break;
2800                 }
2801         case RK_FBIOGET_DMABUF_FD:
2802                 {
2803                         int fd = -1;
2804
2805                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2806                                 dev_err(info->dev,
2807                                         "get dma_buf fd failed,ion handle is err\n");
2808                                 return PTR_ERR(fb_par->ion_hdl);
2809                         }
2810                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2811                                                   fb_par->ion_hdl);
2812                         if (fd < 0) {
2813                                 dev_err(info->dev,
2814                                         "ion_share_dma_buf_fd failed\n");
2815                                 return fd;
2816                         }
2817                         if (copy_to_user(argp, &fd, sizeof(fd)))
2818                                 return -EFAULT;
2819                         break;
2820                 }
2821 #endif
2822         case RK_FBIOSET_CLEAR_FB:
2823                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2824                 break;
2825         case RK_FBIOSET_CONFIG_DONE:
2826                 {
2827                         int curr = 0;
2828                         struct timespec now;
2829
2830                         getnstimeofday(&now);
2831                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2832                         cfgdone_distlist[cfgdone_index++] =
2833                                 curr - cfgdone_lasttime;
2834                         cfgdone_lasttime = curr;
2835                         if (cfgdone_index >= 10)
2836                                 cfgdone_index = 0;
2837                 }
2838                 if (copy_from_user(&win_data,
2839                                    (struct rk_fb_win_cfg_data __user *)argp,
2840                                    sizeof(win_data))) {
2841                         ret = -EFAULT;
2842                         break;
2843                 };
2844
2845                 dev_drv->wait_fs = win_data.wait_fs;
2846                 ret = rk_fb_set_win_config(info, &win_data);
2847
2848                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2849                                  &win_data, sizeof(win_data))) {
2850                         ret = -EFAULT;
2851                         break;
2852                 }
2853                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2854
2855                 if (dev_drv->uboot_logo)
2856                         dev_drv->uboot_logo = 0;
2857
2858                 break;
2859         default:
2860                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2861                 break;
2862         }
2863
2864         return ret;
2865 }
2866
2867 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2868 {
2869         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2870         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2871         struct fb_fix_screeninfo *fix = &info->fix;
2872         int win_id;
2873 #if defined(CONFIG_RK_HDMI)
2874         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2875 #endif
2876
2877         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2878         if (win_id < 0)
2879                 return -ENODEV;
2880         mutex_lock(&dev_drv->switch_screen);
2881 #if defined(CONFIG_RK_HDMI)
2882         if ((rk_fb->disp_mode == ONE_DUAL) &&
2883             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2884                 pr_info("hdmi is connect , not blank lcdc\n");
2885         } else
2886 #endif
2887         {
2888                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2889         }
2890         mutex_unlock(&dev_drv->switch_screen);
2891         return 0;
2892 }
2893
2894 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2895 {
2896         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2897             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2898             ((16 != var->bits_per_pixel) &&
2899             (32 != var->bits_per_pixel) &&
2900             (24 != var->bits_per_pixel))) {
2901                 dev_err(info->dev, "%s check var fail 1:\n"
2902                         "xres_vir:%d>>yres_vir:%d\n"
2903                         "xres:%d>>yres:%d\n"
2904                         "bits_per_pixel:%d\n",
2905                         info->fix.id,
2906                         var->xres_virtual,
2907                         var->yres_virtual,
2908                         var->xres, var->yres, var->bits_per_pixel);
2909                 return -EINVAL;
2910         }
2911
2912         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2913             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2914                 dev_err(info->dev, "%s check_var fail 2:\n"
2915                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2916                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2917                         info->fix.id,
2918                         var->xoffset,
2919                         var->xres,
2920                         var->xres_virtual,
2921                         var->yoffset, var->yres, var->yres_virtual);
2922                 return -EINVAL;
2923         }
2924
2925         return 0;
2926 }
2927
2928 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2929                           size_t count, loff_t *ppos)
2930 {
2931         unsigned long p = *ppos;
2932         u8 *buffer, *dst;
2933         u8 __iomem *src;
2934         int c, cnt = 0, err = 0;
2935         unsigned long total_size;
2936         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2937         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2938         struct rk_lcdc_win *win = NULL;
2939         int win_id = 0;
2940
2941         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2942         if (win_id < 0)
2943                 return -ENODEV;
2944         else
2945                 win = dev_drv->win[win_id];
2946
2947         /* only read the current frame buffer */
2948         if (win->area[0].format == RGB565) {
2949                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2950         } else if ((win->area[0].format == YUV420) ||
2951                    (win->area[0].format == YUV420_NV21)) {
2952                 total_size =
2953                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2954         } else {
2955                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2956         }
2957         if (p >= total_size)
2958                 return 0;
2959
2960         if (count >= total_size)
2961                 count = total_size;
2962
2963         if (count + p > total_size)
2964                 count = total_size - p;
2965
2966         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2967         if (!buffer)
2968                 return -ENOMEM;
2969
2970         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2971
2972         while (count) {
2973                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2974                 dst = buffer;
2975                 fb_memcpy_fromfb(dst, src, c);
2976                 dst += c;
2977                 src += c;
2978
2979                 if (copy_to_user(buf, buffer, c)) {
2980                         err = -EFAULT;
2981                         break;
2982                 }
2983                 *ppos += c;
2984                 buf += c;
2985                 cnt += c;
2986                 count -= c;
2987         }
2988
2989         kfree(buffer);
2990
2991         return (err) ? err : cnt;
2992 }
2993
2994 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2995                            size_t count, loff_t *ppos)
2996 {
2997         unsigned long p = *ppos;
2998         u8 *buffer, *src;
2999         u8 __iomem *dst;
3000         int c, cnt = 0, err = 0;
3001         unsigned long total_size;
3002         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3003         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3004         struct rk_lcdc_win *win = NULL;
3005         int win_id = 0;
3006
3007         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3008         if (win_id < 0)
3009                 return -ENODEV;
3010         else
3011                 win = dev_drv->win[win_id];
3012
3013         /* write the current frame buffer */
3014         if (win->area[0].format == RGB565)
3015                 total_size = win->area[0].xact * win->area[0].yact << 1;
3016         else
3017                 total_size = win->area[0].xact * win->area[0].yact << 2;
3018
3019         if (p > total_size)
3020                 return -EFBIG;
3021
3022         if (count > total_size) {
3023                 err = -EFBIG;
3024                 count = total_size;
3025         }
3026
3027         if (count + p > total_size) {
3028                 if (!err)
3029                         err = -ENOSPC;
3030
3031                 count = total_size - p;
3032         }
3033
3034         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3035         if (!buffer)
3036                 return -ENOMEM;
3037
3038         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3039
3040         while (count) {
3041                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3042                 src = buffer;
3043
3044                 if (copy_from_user(src, buf, c)) {
3045                         err = -EFAULT;
3046                         break;
3047                 }
3048
3049                 fb_memcpy_tofb(dst, src, c);
3050                 dst += c;
3051                 src += c;
3052                 *ppos += c;
3053                 buf += c;
3054                 cnt += c;
3055                 count -= c;
3056         }
3057
3058         kfree(buffer);
3059
3060         return (cnt) ? cnt : err;
3061 }
3062
3063 static int rk_fb_set_par(struct fb_info *info)
3064 {
3065         struct fb_var_screeninfo *var = &info->var;
3066         struct fb_fix_screeninfo *fix = &info->fix;
3067         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3068         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3069         struct rk_lcdc_win *win = NULL;
3070         struct rk_screen *screen = dev_drv->cur_screen;
3071         int win_id = 0;
3072         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3073         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3074         u32 yoffset = var->yoffset;
3075         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3076         u16 ypos = (var->nonstd >> 20) & 0xfff;
3077         u32 xvir = var->xres_virtual;
3078         u8 data_format = var->nonstd & 0xff;
3079         u8 fb_data_fmt;
3080         u8 pixel_width;
3081         u32 vir_width_bit;
3082         u32 stride, uv_stride;
3083         u32 stride_32bit_1;
3084         u32 stride_32bit_2;
3085         u16 uv_x_off, uv_y_off, uv_y_act;
3086         u8 is_pic_yuv = 0;
3087         /*var->pixclock = dev_drv->pixclock;*/
3088         if (dev_drv->suspend_flag)
3089                 return 0;
3090         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3091         if (win_id < 0)
3092                 return -ENODEV;
3093         else
3094                 win = dev_drv->win[win_id];
3095
3096         /* if the application has specific the hor and ver display size */
3097         if (var->grayscale >> 8) {
3098                 xsize = (var->grayscale >> 8) & 0xfff;
3099                 ysize = (var->grayscale >> 20) & 0xfff;
3100                 if (xsize > screen->mode.xres)
3101                         xsize = screen->mode.xres;
3102                 if (ysize > screen->mode.yres)
3103                         ysize = screen->mode.yres;
3104         } else {                /*ohterwise  full  screen display */
3105                 xsize = screen->mode.xres;
3106                 ysize = screen->mode.yres;
3107         }
3108
3109         win->colorspace = CSC_FORMAT(data_format);
3110         data_format &= ~CSC_MASK;
3111         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3112         if (IS_FBDC_FMT(fb_data_fmt)) {
3113                 win->area[0].fbdc_en = 1;
3114                 win->area[0].fbdc_cor_en = 1;
3115         } else {
3116                 win->area[0].fbdc_en = 0;
3117                 win->area[0].fbdc_cor_en = 0;
3118         }
3119         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3120         vir_width_bit = pixel_width * xvir;
3121         /* pixel_width = byte_num * 8 */
3122         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3123         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3124
3125         switch (fb_data_fmt) {
3126         case YUV422:
3127         case YUV422_A:
3128                 is_pic_yuv = 1;
3129                 stride = stride_32bit_1;
3130                 uv_stride = stride_32bit_1;
3131                 uv_x_off = xoffset;
3132                 uv_y_off = yoffset;
3133                 fix->line_length = stride;
3134                 uv_y_act = win->area[0].yact >> 1;
3135                 break;
3136         case YUV420:            /* nv12 */
3137         case YUV420_NV21:       /* nv21 */
3138         case YUV420_A:
3139                 is_pic_yuv = 1;
3140                 stride = stride_32bit_1;
3141                 uv_stride = stride_32bit_1;
3142                 uv_x_off = xoffset;
3143                 uv_y_off = yoffset >> 1;
3144                 fix->line_length = stride;
3145                 uv_y_act = win->area[0].yact >> 1;
3146                 break;
3147         case YUV444:
3148         case YUV444_A:
3149                 is_pic_yuv = 1;
3150                 stride = stride_32bit_1;
3151                 uv_stride = stride_32bit_2;
3152                 uv_x_off = xoffset * 2;
3153                 uv_y_off = yoffset;
3154                 fix->line_length = stride << 2;
3155                 uv_y_act = win->area[0].yact;
3156                 break;
3157         default:
3158                 stride = stride_32bit_1;        /* default rgb */
3159                 fix->line_length = stride;
3160                 break;
3161         }
3162
3163         win->area[0].format = fb_data_fmt;
3164         win->area[0].y_vir_stride = stride >> 2;
3165         win->area[0].uv_vir_stride = uv_stride >> 2;
3166         win->area[0].xpos = xpos;
3167         win->area[0].ypos = ypos;
3168         win->area[0].xsize = xsize;
3169         win->area[0].ysize = ysize;
3170         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3171         win->area[0].yact = var->yres;
3172         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3173         win->area[0].yvir = var->yres_virtual;
3174         win->area[0].xoff = xoffset;
3175         win->area[0].yoff = yoffset;
3176         win->ymirror = 0;
3177         win->state = 1;
3178         win->last_state = 1;
3179
3180         win->area_num = 1;
3181         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3182         win->alpha_en = ((win->area[0].format == ARGB888) ||
3183                          (win->area[0].format == FBDC_ARGB_888) ||
3184                          (win->area[0].format == FBDC_ABGR_888) ||
3185                          (win->area[0].format == ABGR888)) ? 1 : 0;
3186         win->g_alpha_val = 0;
3187
3188         dev_drv->ops->set_par(dev_drv, win_id);
3189
3190         return 0;
3191 }
3192
3193 static inline unsigned int chan_to_field(unsigned int chan,
3194                                          struct fb_bitfield *bf)
3195 {
3196         chan &= 0xffff;
3197         chan >>= 16 - bf->length;
3198         return chan << bf->offset;
3199 }
3200
3201 static int fb_setcolreg(unsigned regno,
3202                         unsigned red, unsigned green, unsigned blue,
3203                         unsigned transp, struct fb_info *info)
3204 {
3205         unsigned int val;
3206
3207         switch (info->fix.visual) {
3208         case FB_VISUAL_TRUECOLOR:
3209                 /* true-colour, use pseudo-palette */
3210                 if (regno < 16) {
3211                         u32 *pal = info->pseudo_palette;
3212                         val = chan_to_field(red, &info->var.red);
3213                         val |= chan_to_field(green, &info->var.green);
3214                         val |= chan_to_field(blue, &info->var.blue);
3215                         pal[regno] = val;
3216                 }
3217                 break;
3218         default:
3219                 return -1;      /* unknown type */
3220         }
3221
3222         return 0;
3223 }
3224
3225 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3226 {
3227         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3228         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3229         struct ion_handle *handle = fb_par->ion_hdl;
3230         struct dma_buf *dma_buf = NULL;
3231
3232         if (IS_ERR_OR_NULL(handle)) {
3233                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3234                         PTR_ERR(handle));
3235                 return -ENOMEM;
3236         }
3237         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3238         if (IS_ERR_OR_NULL(dma_buf)) {
3239                 pr_info("get ion share dma buf failed\n");
3240                 return -ENOMEM;
3241         }
3242
3243         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3244
3245         return dma_buf_mmap(dma_buf, vma, 0);
3246 }
3247
3248 static struct fb_ops fb_ops = {
3249         .owner = THIS_MODULE,
3250         .fb_open = rk_fb_open,
3251         .fb_release = rk_fb_close,
3252         .fb_check_var = rk_fb_check_var,
3253         .fb_set_par = rk_fb_set_par,
3254         .fb_blank = rk_fb_blank,
3255         .fb_ioctl = rk_fb_ioctl,
3256         .fb_compat_ioctl = rk_fb_ioctl,
3257         .fb_pan_display = rk_fb_pan_display,
3258         .fb_read = rk_fb_read,
3259         .fb_write = rk_fb_write,
3260         .fb_setcolreg = fb_setcolreg,
3261         .fb_fillrect = cfb_fillrect,
3262         .fb_copyarea = cfb_copyarea,
3263         .fb_imageblit = cfb_imageblit,
3264 };
3265
3266 static struct fb_var_screeninfo def_var = {
3267 #if defined(CONFIG_LOGO_LINUX_BMP)
3268         .red = {16, 8, 0},
3269         .green = {8, 8, 0},
3270         .blue = {0, 8, 0},
3271         .transp = {0, 0, 0},
3272         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3273 #else
3274         .red = {11, 5, 0},
3275         .green = {5, 6, 0},
3276         .blue = {0, 5, 0},
3277         .transp = {0, 0, 0},
3278         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3279 #endif
3280         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3281         .activate = FB_ACTIVATE_NOW,
3282         .accel_flags = 0,
3283         .vmode = FB_VMODE_NONINTERLACED,
3284 };
3285
3286 static struct fb_fix_screeninfo def_fix = {
3287         .type = FB_TYPE_PACKED_PIXELS,
3288         .type_aux = 0,
3289         .xpanstep = 1,
3290         .ypanstep = 1,
3291         .ywrapstep = 0,
3292         .accel = FB_ACCEL_NONE,
3293         .visual = FB_VISUAL_TRUECOLOR,
3294
3295 };
3296
3297 static int rk_fb_wait_for_vsync_thread(void *data)
3298 {
3299         struct rk_lcdc_driver *dev_drv = data;
3300         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3301         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3302
3303         while (!kthread_should_stop()) {
3304                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3305                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3306                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3307                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3308
3309                 if (!ret)
3310                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3311         }
3312
3313         return 0;
3314 }
3315
3316 static ssize_t rk_fb_vsync_show(struct device *dev,
3317                                 struct device_attribute *attr, char *buf)
3318 {
3319         struct fb_info *fbi = dev_get_drvdata(dev);
3320         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3321         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3322
3323         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3324                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3325 }
3326
3327 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3328
3329 /*
3330  * this two function is for other module that in the kernel which
3331  * need show image directly through fb
3332  * fb_id:we have 4 fb here,default we use fb0 for ui display
3333  */
3334 struct fb_info *rk_get_fb(int fb_id)
3335 {
3336         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3337         struct fb_info *fb = inf->fb[fb_id];
3338         return fb;
3339 }
3340 EXPORT_SYMBOL(rk_get_fb);
3341
3342 void rk_direct_fb_show(struct fb_info *fbi)
3343 {
3344         rk_fb_set_par(fbi);
3345         rk_fb_pan_display(&fbi->var, fbi);
3346 }
3347 EXPORT_SYMBOL(rk_direct_fb_show);
3348
3349 int rk_fb_dpi_open(bool open)
3350 {
3351         struct rk_lcdc_driver *dev_drv = NULL;
3352
3353         dev_drv = rk_get_prmry_lcdc_drv();
3354         if (dev_drv->ops->dpi_open)
3355                 dev_drv->ops->dpi_open(dev_drv, open);
3356         return 0;
3357 }
3358
3359 int rk_fb_dpi_win_sel(int win_id)
3360 {
3361         struct rk_lcdc_driver *dev_drv = NULL;
3362
3363         dev_drv = rk_get_prmry_lcdc_drv();
3364         if (dev_drv->ops->dpi_win_sel)
3365                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3366         return 0;
3367 }
3368
3369 int rk_fb_dpi_status(void)
3370 {
3371         int ret = 0;
3372         struct rk_lcdc_driver *dev_drv = NULL;
3373
3374         dev_drv = rk_get_prmry_lcdc_drv();
3375         if (dev_drv->ops->dpi_status)
3376                 ret = dev_drv->ops->dpi_status(dev_drv);
3377
3378         return ret;
3379 }
3380
3381 /*
3382  * function: this function will be called by display device, enable/disable lcdc
3383  * @screen: screen timing to be set to lcdc
3384  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3385  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3386  */
3387 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3388 {
3389         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3390         struct fb_info *info = NULL;
3391         struct rk_fb_par *fb_par = NULL;
3392         struct rk_lcdc_driver *dev_drv = NULL;
3393         struct rk_lcdc_win *win;
3394         char name[6] = {0};
3395         int i, win_id;
3396         static bool load_screen;
3397         char *envp[4];
3398         char envplcdc[32];
3399         char envpfbdev[32];
3400         int ret, list_is_empty = 0;
3401
3402         if (unlikely(!rk_fb) || unlikely(!screen))
3403                 return -ENODEV;
3404
3405         /* get lcdc driver */
3406         sprintf(name, "lcdc%d", lcdc_id);
3407         dev_drv = rk_get_lcdc_drv(name);
3408
3409         if (dev_drv == NULL) {
3410                 pr_err("%s driver not found!", name);
3411                 return -ENODEV;
3412         }
3413         if (screen->type == SCREEN_HDMI)
3414                 pr_info("hdmi %s lcdc%d\n",
3415                         enable ? "connect to" : "remove from",
3416                         dev_drv->id);
3417         else if (screen->type == SCREEN_TVOUT ||
3418                  screen->type == SCREEN_TVOUT_TEST)
3419                 pr_info("cvbs %s lcdc%d\n",
3420                         enable ? "connect to" : "remove from",
3421                         dev_drv->id);
3422         if (enable == 2 /*&& dev_drv->enable*/)
3423                 return 0;
3424         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3425                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3426
3427         mutex_lock(&dev_drv->switch_screen);
3428         hdmi_switch_state = 0;
3429         dev_drv->hdmi_switch = 1;
3430         if (!dev_drv->uboot_logo) {
3431                 mdelay(200);
3432                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3433                                            list_empty(&dev_drv->saved_list);
3434                 if (!list_is_empty) {
3435                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3436                                                  list_empty(&dev_drv->update_regs_list) &&
3437                                                  list_empty(&dev_drv->saved_list),
3438                                                  msecs_to_jiffies(60));
3439                         if (ret <= 0)
3440                                 pr_info("%s: wait update_regs_wait timeout\n",
3441                                         __func__);
3442                 }
3443         }
3444
3445         envp[0] = "switch screen";
3446         memset(envplcdc, 0, sizeof(envplcdc));
3447         memset(envpfbdev, 0, sizeof(envpfbdev));
3448         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3449         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3450         envp[1] = envplcdc;
3451         envp[2] = envpfbdev;
3452         envp[3] = NULL;
3453
3454         if ((rk_fb->disp_mode == ONE_DUAL) ||
3455             (rk_fb->disp_mode == NO_DUAL)) {
3456                 if ((dev_drv->ops->backlight_close) &&
3457                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3458                         dev_drv->ops->backlight_close(dev_drv, 1);
3459                 if (!dev_drv->uboot_logo || load_screen ||
3460                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3461                         if (dev_drv->ops->dsp_black)
3462                                 dev_drv->ops->dsp_black(dev_drv, 0);
3463                 }
3464                 if ((dev_drv->ops->set_screen_scaler) &&
3465                     (rk_fb->disp_mode == ONE_DUAL))
3466                         dev_drv->ops->set_screen_scaler(dev_drv,
3467                                                         dev_drv->screen0, 0);
3468         }
3469         if (!enable) {
3470                 /* if screen type is different, we do not disable lcdc. */
3471                 if (dev_drv->cur_screen->type != screen->type) {
3472                         dev_drv->hdmi_switch = 0;
3473                         mutex_unlock(&dev_drv->switch_screen);
3474                         return 0;
3475                 }
3476
3477                 /* if used one lcdc to dual disp, no need to close win */
3478                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3479                     ((rk_fb->disp_mode == NO_DUAL) &&
3480                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3481                         dev_drv->cur_screen = dev_drv->screen0;
3482                         dev_drv->ops->load_screen(dev_drv, 1);
3483                         /* force modify dsp size */
3484                         info = rk_fb->fb[dev_drv->fb_index_base];
3485                         info->var.grayscale &= 0xff;
3486                         info->var.grayscale |=
3487                                 (dev_drv->cur_screen->mode.xres << 8) +
3488                                 (dev_drv->cur_screen->mode.yres << 20);
3489                         mutex_lock(&dev_drv->win_config);
3490                         info->var.xoffset = 0;
3491                         info->var.yoffset = 0;
3492                         info->fbops->fb_set_par(info);
3493                         info->fbops->fb_pan_display(&info->var, info);
3494                         mutex_unlock(&dev_drv->win_config);
3495
3496                         /*
3497                          * if currently is loader display, black until new
3498                          * display job.
3499                          */
3500                         if (dev_drv->uboot_logo) {
3501                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3502                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3503                                             dev_drv->ops->win_direct_en)
3504                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3505                                 }
3506                         }
3507
3508                         /*if (dev_drv->ops->dsp_black)
3509                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3510                          */
3511                         if ((dev_drv->ops->backlight_close) &&
3512                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3513                                 dev_drv->ops->backlight_close(dev_drv, 0);
3514                 } else if (rk_fb->num_lcdc > 1) {
3515                         /* If there is more than one lcdc device, we disable
3516                          *  the layer which attached to this device
3517                          */
3518                         dev_drv->suspend_flag = 1;
3519                         flush_kthread_worker(&dev_drv->update_regs_worker);
3520                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3521                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3522                                         dev_drv->ops->open(dev_drv, i, 0);
3523                         }
3524                 }
3525                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3526
3527                 hdmi_switch_state = 0;
3528                 dev_drv->hdmi_switch = 0;
3529                 mutex_unlock(&dev_drv->switch_screen);
3530                 return 0;
3531         } else {
3532                 if (dev_drv->uboot_logo) {
3533                         if (dev_drv->cur_screen->mode.xres !=
3534                                 screen->mode.xres ||
3535                             dev_drv->cur_screen->mode.yres !=
3536                                 screen->mode.yres)
3537                                 load_screen = 1;
3538                 }
3539                 if (dev_drv->screen1)
3540                         dev_drv->cur_screen = dev_drv->screen1;
3541
3542                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3543                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3544                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3545                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3546                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3547         }
3548         if (!dev_drv->uboot_logo || load_screen ||
3549             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3550                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3551                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3552                         fb_par = (struct rk_fb_par *)info->par;
3553                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3554                         win = dev_drv->win[win_id];
3555                         if (win && fb_par->state) {
3556                                 dev_drv->ops->load_screen(dev_drv, 1);
3557
3558                                 info->var.activate |= FB_ACTIVATE_FORCE;
3559                                 if (rk_fb->disp_mode == ONE_DUAL) {
3560                                         info->var.grayscale &= 0xff;
3561                                         info->var.grayscale |=
3562                                                 (dev_drv->cur_screen->xsize << 8) +
3563                                                 (dev_drv->cur_screen->ysize << 20);
3564                                 }
3565                                 if (dev_drv->uboot_logo && win->state) {
3566                                         if (win->area[0].xpos ||
3567                                             win->area[0].ypos) {
3568                                                 win->area[0].xpos =
3569                                                         (screen->mode.xres -
3570                                                          win->area[0].xsize) / 2;
3571                                                 win->area[0].ypos =
3572                                                         (screen->mode.yres -
3573                                                          win->area[0].ysize) / 2;
3574                                         } else {
3575                                                 win->area[0].xsize =
3576                                                         screen->mode.xres;
3577                                                 win->area[0].ysize =
3578                                                         screen->mode.yres;
3579                                         }
3580                                         dev_drv->ops->set_par(dev_drv, i);
3581                                         dev_drv->ops->cfg_done(dev_drv);
3582                                 } else if (!dev_drv->win[win_id]->state) {
3583                                         dev_drv->ops->open(dev_drv, win_id, 1);
3584                                         dev_drv->suspend_flag = 0;
3585                                         mutex_lock(&dev_drv->win_config);
3586                                         info->var.xoffset = 0;
3587                                         info->var.yoffset = 0;
3588                                         info->fbops->fb_set_par(info);
3589                                         info->fbops->fb_pan_display(&info->var,
3590                                                                     info);
3591                                         mutex_unlock(&dev_drv->win_config);
3592                                 }
3593                         }
3594                 }
3595         } else {
3596                 dev_drv->ops->load_screen(dev_drv, 0);
3597         }
3598         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3599
3600         hdmi_switch_state = 1;
3601         load_screen = true;
3602         dev_drv->hdmi_switch = 0;
3603         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3604                 if ((dev_drv->ops->set_screen_scaler) &&
3605                     (rk_fb->disp_mode == ONE_DUAL))
3606                         dev_drv->ops->set_screen_scaler(dev_drv,
3607                                                         dev_drv->screen0, 1);
3608                 /*if (dev_drv->ops->dsp_black)
3609                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3610                 if ((dev_drv->ops->backlight_close) &&
3611                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3612                     (rk_fb->disp_mode == ONE_DUAL))
3613                         dev_drv->ops->backlight_close(dev_drv, 0);
3614         }
3615         mutex_unlock(&dev_drv->switch_screen);
3616         return 0;
3617 }
3618
3619 /*
3620  * function:this function current only called by hdmi for
3621  *      scale the display
3622  * scale_x: scale rate of x resolution
3623  * scale_y: scale rate of y resolution
3624  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3625  */
3626 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3627 {
3628         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3629         struct fb_info *info = NULL;
3630         struct fb_info *pmy_info = NULL;
3631         struct fb_var_screeninfo *var = NULL;
3632         struct rk_lcdc_driver *dev_drv = NULL;
3633         u16 screen_x, screen_y;
3634         u16 xpos, ypos;
3635         char name[6];
3636         struct rk_screen primary_screen;
3637
3638         rk_fb_get_prmry_screen(&primary_screen);
3639         if (primary_screen.type == SCREEN_HDMI)
3640                 return 0;
3641
3642         pr_err("should not be here--%s\n", __func__);
3643
3644         return 0;
3645         sprintf(name, "lcdc%d", lcdc_id);
3646
3647         if (inf->disp_mode == DUAL) {
3648                 dev_drv = rk_get_lcdc_drv(name);
3649                 if (!dev_drv) {
3650                         pr_err("%s driver not found!", name);
3651                         return -ENODEV;
3652                 }
3653         } else {
3654                 dev_drv = inf->lcdc_dev_drv[0];
3655         }
3656
3657         if (inf->num_lcdc == 1) {
3658                 info = inf->fb[0];
3659         } else if (inf->num_lcdc == 2) {
3660                 info = inf->fb[dev_drv->lcdc_win_num];
3661                 pmy_info = inf->fb[0];
3662         }
3663
3664         var = &info->var;
3665         screen_x = dev_drv->cur_screen->mode.xres;
3666         screen_y = dev_drv->cur_screen->mode.yres;
3667
3668         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3669                 dev_drv->cur_screen->xpos =
3670                     (screen_x - screen_x * scale_x / 100) >> 1;
3671                 dev_drv->cur_screen->ypos =
3672                     (screen_y - screen_y * scale_y / 100) >> 1;
3673                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3674                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3675         } else {
3676                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3677                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3678                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3679                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3680                 if (inf->disp_mode == ONE_DUAL) {
3681                         var->nonstd &= 0xff;
3682                         var->nonstd |= (xpos << 8) + (ypos << 20);
3683                         var->grayscale &= 0xff;
3684                         var->grayscale |=
3685                                 (dev_drv->cur_screen->xsize << 8) +
3686                                 (dev_drv->cur_screen->ysize << 20);
3687                 }
3688         }
3689
3690         mutex_lock(&dev_drv->win_config);
3691         info->fbops->fb_set_par(info);
3692         dev_drv->ops->cfg_done(dev_drv);
3693         mutex_unlock(&dev_drv->win_config);
3694
3695         return 0;
3696 }
3697
3698 #if defined(CONFIG_ION_ROCKCHIP)
3699 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3700                                      struct rk_lcdc_win *win,
3701                                      unsigned long fb_mem_size)
3702 {
3703         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3704         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3705         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3706         struct ion_handle *handle;
3707         ion_phys_addr_t phy_addr;
3708         size_t len;
3709         int ret = 0;
3710
3711         if (dev_drv->iommu_enabled)
3712                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3713                                    ION_HEAP_SYSTEM_MASK, 0);
3714         else
3715                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3716                                    ION_HEAP_TYPE_DMA_MASK, 0);
3717         if (IS_ERR(handle)) {
3718                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3719                         PTR_ERR(handle));
3720                 return -ENOMEM;
3721         }
3722
3723         fb_par->ion_hdl = handle;
3724         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3725         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3726                 pr_info("ion_share_dma_buf() failed\n");
3727                 goto err_share_dma_buf;
3728         }
3729         win->area[0].ion_hdl = handle;
3730         if (dev_drv->prop == PRMRY)
3731                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3732 #ifdef CONFIG_RK_IOMMU
3733         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3734                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3735                                     (unsigned long *)&phy_addr,
3736                                     (unsigned long *)&len);
3737         else
3738                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3739 #else
3740         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3741 #endif
3742         if (ret < 0) {
3743                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3744                 goto err_share_dma_buf;
3745         }
3746         fbi->fix.smem_start = phy_addr;
3747         fbi->fix.smem_len = len;
3748         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3749         return 0;
3750
3751 err_share_dma_buf:
3752         ion_free(rk_fb->ion_client, handle);
3753         return -ENOMEM;
3754 }
3755 #endif
3756
3757 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3758 {
3759         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3760         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3761         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3762         struct rk_lcdc_win *win = NULL;
3763         int win_id;
3764         int ret = 0;
3765         unsigned long fb_mem_size;
3766 #if !defined(CONFIG_ION_ROCKCHIP)
3767         dma_addr_t fb_mem_phys;
3768         void *fb_mem_virt;
3769 #endif
3770         ion_phys_addr_t phy_addr;
3771         size_t len;
3772
3773         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3774         if (win_id < 0)
3775                 return -ENODEV;
3776         else
3777                 win = dev_drv->win[win_id];
3778
3779         if (!strcmp(fbi->fix.id, "fb0")) {
3780                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3781 #if defined(CONFIG_ION_ROCKCHIP)
3782                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3783                         return -ENOMEM;
3784 #else
3785                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3786                                                      &fb_mem_phys, GFP_KERNEL);
3787                 if (!fb_mem_virt) {
3788                         pr_err("%s: Failed to allocate framebuffer\n",
3789                                __func__);
3790                         return -ENOMEM;
3791                 }
3792                 fbi->fix.smem_len = fb_mem_size;
3793                 fbi->fix.smem_start = fb_mem_phys;
3794                 fbi->screen_base = fb_mem_virt;
3795 #endif
3796                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3797         } else {
3798                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3799                         struct rk_lcdc_driver *dev_drv_prmry;
3800                         int win_id_prmry;
3801
3802                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3803 #if defined(CONFIG_ION_ROCKCHIP)
3804                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3805                         if (dev_drv_prmry == NULL)
3806                                 return -ENODEV;
3807                         win_id_prmry =
3808                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3809                                                                  fbi->fix.id);
3810                         if (win_id_prmry < 0)
3811                                 return -ENODEV;
3812                         else
3813                                 fb_par->ion_hdl =
3814                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3815                                 fbi->screen_base =
3816                                         ion_map_kernel(rk_fb->ion_client,
3817                                                        fb_par->ion_hdl);
3818                                 dev_drv->win[win_id]->area[0].ion_hdl =
3819                                         fb_par->ion_hdl;
3820 #ifdef CONFIG_RK_IOMMU
3821                                 if (dev_drv->mmu_dev)
3822                                         ret = ion_map_iommu(dev_drv->dev,
3823                                                             rk_fb->ion_client,
3824                                                             fb_par->ion_hdl,
3825                                                             (unsigned long *)&phy_addr,
3826                                                             (unsigned long *)&len);
3827                                 else
3828                                         ret = ion_phys(rk_fb->ion_client,
3829                                                        fb_par->ion_hdl,
3830                                                        &phy_addr, &len);
3831 #endif
3832                                 if (ret < 0) {
3833                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3834                                         return -ENOMEM;
3835                                 }
3836                                 fbi->fix.smem_start = phy_addr;
3837                                 fbi->fix.smem_len = len;
3838 #else
3839                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3840                                                              fb_mem_size,
3841                                                              &fb_mem_phys,
3842                                                              GFP_KERNEL);
3843                         if (!fb_mem_virt) {
3844                                 pr_err("%s: Failed to allocate framebuffer\n",
3845                                        __func__);
3846                                 return -ENOMEM;
3847                         }
3848                         fbi->fix.smem_len = fb_mem_size;
3849                         fbi->fix.smem_start = fb_mem_phys;
3850                         fbi->screen_base = fb_mem_virt;
3851 #endif
3852                 } else {
3853                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3854                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3855                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3856                 }
3857         }
3858
3859         fbi->screen_size = fbi->fix.smem_len;
3860         fb_par->fb_phy_base = fbi->fix.smem_start;
3861         fb_par->fb_virt_base = fbi->screen_base;
3862         fb_par->fb_size = fbi->fix.smem_len;
3863
3864         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3865                        fbi->fix.smem_start, fbi->screen_base,
3866                        fbi->fix.smem_len);
3867         return ret;
3868 }
3869
3870 #if 0
3871 static int rk_release_fb_buffer(struct fb_info *fbi)
3872 {
3873         /* buffer for fb1 and fb3 are alloc by android */
3874         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3875                 return 0;
3876         iounmap(fbi->screen_base);
3877         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3878         return 0;
3879 }
3880 #endif
3881
3882 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3883                          struct rk_lcdc_win *def_win)
3884 {
3885         int i;
3886         int lcdc_win_num = dev_drv->lcdc_win_num;
3887
3888         for (i = 0; i < lcdc_win_num; i++) {
3889                 struct rk_lcdc_win *win = NULL;
3890
3891                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3892                 if (!win) {
3893                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3894                         return -ENOMEM;
3895                 }
3896
3897                 strcpy(win->name, def_win[i].name);
3898                 win->id = def_win[i].id;
3899                 win->support_3d = def_win[i].support_3d;
3900                 dev_drv->win[i] = win;
3901         }
3902
3903         return 0;
3904 }
3905
3906 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3907                                    struct rk_lcdc_win *def_win, int index)
3908 {
3909         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3910         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3911                                                 sizeof(struct rk_screen),
3912                                                 GFP_KERNEL);
3913         int i = 0;
3914
3915         if (!screen) {
3916                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3917                         dev_drv->id);
3918                 return -ENOMEM;
3919         }
3920
3921         screen->screen_id = 0;
3922         screen->lcdc_id = dev_drv->id;
3923         screen->overscan.left = 100;
3924         screen->overscan.top = 100;
3925         screen->overscan.right = 100;
3926         screen->overscan.bottom = 100;
3927
3928         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3929         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3930
3931         dev_drv->screen0 = screen;
3932         dev_drv->cur_screen = screen;
3933         /* devie use one lcdc + rk61x scaler for dual display */
3934         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3935                 struct rk_screen *screen1 =
3936                                 devm_kzalloc(dev_drv->dev,
3937                                              sizeof(struct rk_screen),
3938                                              GFP_KERNEL);
3939                 if (!screen1) {
3940                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3941                                 dev_drv->id);
3942                         return -ENOMEM;
3943                 }
3944                 screen1->screen_id = 1;
3945                 screen1->lcdc_id = 1;
3946                 dev_drv->screen1 = screen1;
3947         }
3948         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3949         init_lcdc_win(dev_drv, def_win);
3950         init_completion(&dev_drv->frame_done);
3951         spin_lock_init(&dev_drv->cpl_lock);
3952         mutex_init(&dev_drv->fb_win_id_mutex);
3953         mutex_init(&dev_drv->win_config);
3954         mutex_init(&dev_drv->front_lock);
3955         mutex_init(&dev_drv->switch_screen);
3956         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3957         dev_drv->first_frame = 1;
3958         dev_drv->overscan.left = 100;
3959         dev_drv->overscan.top = 100;
3960         dev_drv->overscan.right = 100;
3961         dev_drv->overscan.bottom = 100;
3962         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3963                 dev_drv->area_support[i] = 1;
3964         if (dev_drv->ops->area_support_num)
3965                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3966         rk_disp_pwr_ctr_parse_dt(dev_drv);
3967         if (dev_drv->prop == PRMRY) {
3968                 rk_fb_set_prmry_screen(screen);
3969                 rk_fb_get_prmry_screen(screen);
3970         }
3971         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3972         if (dev_drv->prop != PRMRY)
3973                 rk_fb_get_extern_screen(screen);
3974         dev_drv->output_color = screen->color_mode;
3975
3976         return 0;
3977 }
3978
3979 #ifdef CONFIG_LOGO_LINUX_BMP
3980 static struct linux_logo *bmp_logo;
3981 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3982 {
3983         bmp_logo = fb_find_logo(24);
3984         if (bmp_logo == NULL) {
3985                 pr_info("%s error\n", __func__);
3986                 return 0;
3987         }
3988         return 1;
3989 }
3990
3991 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3992 {
3993         unsigned char *src = bmp_logo->data;
3994         unsigned char *dst = info->screen_base;
3995         int i;
3996         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3997         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3998
3999         for (i = 0; i < Needheight; i++)
4000                 memcpy(dst + info->var.xres * i * 4,
4001                        src + bmp_logo->width * i * 4, Needwidth * 4);
4002 }
4003 #endif
4004
4005 /*
4006  * check if the primary lcdc has registered,
4007  * the primary lcdc mas register first
4008  */
4009 bool is_prmry_rk_lcdc_registered(void)
4010 {
4011         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4012
4013         if (rk_fb->lcdc_dev_drv[0])
4014                 return true;
4015         else
4016                 return false;
4017 }
4018
4019 __weak phys_addr_t uboot_logo_base;
4020 __weak phys_addr_t uboot_logo_size;
4021 __weak phys_addr_t uboot_logo_offset;
4022
4023 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4024                    struct rk_lcdc_win *win, int id)
4025 {
4026         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4027         struct fb_info *fbi;
4028         struct rk_fb_par *fb_par = NULL;
4029         int i = 0, ret = 0, index = 0;
4030         unsigned long flags;
4031
4032         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4033                 return -ENXIO;
4034
4035         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4036                 if (!rk_fb->lcdc_dev_drv[i]) {
4037                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4038                         rk_fb->lcdc_dev_drv[i]->id = id;
4039                         rk_fb->num_lcdc++;
4040                         break;
4041                 }
4042         }
4043
4044         index = i;
4045         init_lcdc_device_driver(rk_fb, win, index);
4046         dev_drv->fb_index_base = rk_fb->num_fb;
4047         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4048                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4049                 if (!fbi) {
4050                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4051                         ret = -ENOMEM;
4052                 }
4053                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4054                                       GFP_KERNEL);
4055                 if (!fb_par) {
4056                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4057                                 rk_fb->num_fb);
4058                         return -ENOMEM;
4059                 }
4060                 fb_par->id = rk_fb->num_fb;
4061                 fb_par->lcdc_drv = dev_drv;
4062                 fbi->par = (void *)fb_par;
4063                 fbi->var = def_var;
4064                 fbi->fix = def_fix;
4065                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4066                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4067                 fbi->var.grayscale |=
4068                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4069 #if defined(CONFIG_LOGO_LINUX_BMP)
4070                 fbi->var.bits_per_pixel = 32;
4071 #else
4072                 fbi->var.bits_per_pixel = 16;
4073 #endif
4074                 fbi->fix.line_length =
4075                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4076                 fbi->var.width = dev_drv->cur_screen->width;
4077                 fbi->var.height = dev_drv->cur_screen->height;
4078                 if (dev_drv->iommu_enabled)
4079                         fb_ops.fb_mmap = rk_fb_mmap;
4080                 fbi->fbops = &fb_ops;
4081                 fbi->flags = FBINFO_FLAG_DEFAULT;
4082                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4083                 ret = register_framebuffer(fbi);
4084                 if (ret < 0) {
4085                         dev_err(&fb_pdev->dev,
4086                                 "%s fb%d register_framebuffer fail!\n",
4087                                 __func__, rk_fb->num_fb);
4088                         return ret;
4089                 }
4090                 rkfb_create_sysfs(fbi);
4091                 rk_fb->fb[rk_fb->num_fb] = fbi;
4092                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4093                          fbi->fix.id);
4094                 rk_fb->num_fb++;
4095
4096                 if (i == 0) {
4097                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4098                         init_waitqueue_head(&dev_drv->update_regs_wait);
4099                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4100                         if (ret)
4101                                 dev_err(fbi->dev,
4102                                         "failed to create vsync file\n");
4103                         dev_drv->vsync_info.thread =
4104                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4105                                         "fb-vsync");
4106                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4107                                 dev_err(fbi->dev,
4108                                         "failed to run vsync thread\n");
4109                                 dev_drv->vsync_info.thread = NULL;
4110                         }
4111                         dev_drv->vsync_info.active = 1;
4112
4113                         mutex_init(&dev_drv->output_lock);
4114
4115                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4116                         mutex_init(&dev_drv->update_regs_list_lock);
4117                         init_kthread_worker(&dev_drv->update_regs_worker);
4118
4119                         dev_drv->update_regs_thread =
4120                             kthread_run(kthread_worker_fn,
4121                                         &dev_drv->update_regs_worker, "rk-fb");
4122                         if (IS_ERR(dev_drv->update_regs_thread)) {
4123                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4124
4125                                 dev_drv->update_regs_thread = NULL;
4126                                 pr_info("failed to run update_regs thread\n");
4127                                 return err;
4128                         }
4129                         init_kthread_work(&dev_drv->update_regs_work,
4130                                           rk_fb_update_regs_handler);
4131
4132                         dev_drv->timeline =
4133                             sw_sync_timeline_create("fb-timeline");
4134                         dev_drv->timeline_max = 1;
4135                 }
4136         }
4137
4138         /* show logo for primary display device */
4139 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4140         if (dev_drv->prop == PRMRY) {
4141                 u16 xact, yact;
4142                 int format;
4143                 u32 dsp_addr;
4144                 struct fb_info *main_fbi = rk_fb->fb[0];
4145
4146                 main_fbi->fbops->fb_open(main_fbi, 1);
4147                 main_fbi->var.pixclock = dev_drv->pixclock;
4148 #if defined(CONFIG_RK_IOMMU)
4149                 if (dev_drv->iommu_enabled) {
4150                         if (dev_drv->mmu_dev)
4151                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4152                                                 rk_fb_sysmmu_fault_handler);
4153                 }
4154 #endif
4155
4156                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4157                 dev_drv->uboot_logo = support_uboot_display();
4158
4159                 if (dev_drv->uboot_logo &&
4160                     uboot_logo_offset && uboot_logo_base) {
4161                         int width, height, bits, xvir;
4162                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4163                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4164                         unsigned int nr_pages;
4165                         int ymirror = 0;
4166                         struct page **pages;
4167                         char *vaddr;
4168                         int i = 0;
4169
4170                         if (dev_drv->ops->get_dspbuf_info)
4171                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4172                                         &yact, &format, &dsp_addr, &ymirror);
4173                         nr_pages = size >> PAGE_SHIFT;
4174                         pages = kzalloc(sizeof(struct page) * nr_pages,
4175                                         GFP_KERNEL);
4176                         while (i < nr_pages) {
4177                                 pages[i] = phys_to_page(start);
4178                                 start += PAGE_SIZE;
4179                                 i++;
4180                         }
4181                         vaddr = vmap(pages, nr_pages, VM_MAP,
4182                                      pgprot_writecombine(PAGE_KERNEL));
4183                         if (!vaddr) {
4184                                 pr_err("failed to vmap phy addr 0x%lx\n",
4185                                        (long)(uboot_logo_base +
4186                                        uboot_logo_offset));
4187                                 return -1;
4188                         }
4189
4190                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4191                                        &height, &bits)) {
4192                                 kfree(pages);
4193                                 vunmap(vaddr);
4194                                 return 0;
4195                         }
4196                         kfree(pages);
4197                         vunmap(vaddr);
4198                         if (dev_drv->uboot_logo &&
4199                             (width != xact || height != yact)) {
4200                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4201                                        xact, yact, width, height);
4202                                 return 0;
4203                         }
4204                         xvir = ALIGN(width * bits, 1 << 5) >> 5;
4205                         ymirror = 0;
4206                         local_irq_save(flags);
4207                         if (dev_drv->ops->wait_frame_start)
4208                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4209                         if (dev_drv->ops->post_dspbuf) {
4210                                 dev_drv->ops->post_dspbuf(dev_drv,
4211                                         main_fbi->fix.smem_start,
4212                                         rk_fb_data_fmt(0, bits),
4213                                         width, height, xvir,
4214                                         ymirror);
4215                         }
4216                         if (dev_drv->iommu_enabled) {
4217                                 rk_fb_poll_wait_frame_complete();
4218                                 if (dev_drv->ops->mmu_en)
4219                                         dev_drv->ops->mmu_en(dev_drv);
4220                                 freed_index = 0;
4221                         }
4222                         local_irq_restore(flags);
4223                         return 0;
4224                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4225                         u32 start = uboot_logo_base;
4226                         int logo_len, i=0;
4227                         int y_mirror = 0;
4228                         unsigned int nr_pages;
4229                         struct page **pages;
4230                         char *vaddr;
4231                         int align = 0, xvir;
4232
4233                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4234                                                       &yact, &format,
4235                                                       &start,
4236                                                       &y_mirror);
4237                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4238                         if (logo_len > uboot_logo_size ||
4239                             logo_len > main_fbi->fix.smem_len) {
4240                                 pr_err("logo size > uboot reserve buffer size\n");
4241                                 return -1;
4242                         }
4243                         if (y_mirror)
4244                                 start -= logo_len;
4245
4246                         align = start % PAGE_SIZE;
4247                         start -= align;
4248                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4249                         pages = kzalloc(sizeof(struct page) * nr_pages,
4250                                         GFP_KERNEL);
4251                         while (i < nr_pages) {
4252                                 pages[i] = phys_to_page(start);
4253                                 start += PAGE_SIZE;
4254                                 i++;
4255                         }
4256                         vaddr = vmap(pages, nr_pages, VM_MAP,
4257                                      pgprot_writecombine(PAGE_KERNEL));
4258                         if (!vaddr) {
4259                                 pr_err("failed to vmap phy addr 0x%x\n",
4260                                        start);
4261                                 return -1;
4262                         }
4263
4264                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4265
4266                         kfree(pages);
4267                         vunmap(vaddr);
4268                         xvir = ALIGN(xact * rk_fb_pixel_width(format),
4269                                      1 << 5) >> 5;
4270                         local_irq_save(flags);
4271                         if (dev_drv->ops->wait_frame_start)
4272                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4273                         dev_drv->ops->post_dspbuf(dev_drv,
4274                                         main_fbi->fix.smem_start +
4275                                         (y_mirror ? logo_len : 0),
4276                                         format, xact, yact,
4277                                         xvir,
4278                                         y_mirror);
4279                         if (dev_drv->iommu_enabled) {
4280                                 rk_fb_poll_wait_frame_complete();
4281                                 if (dev_drv->ops->mmu_en)
4282                                         dev_drv->ops->mmu_en(dev_drv);
4283                                 freed_index = 0;
4284                         }
4285                         local_irq_restore(flags);
4286                         return 0;
4287                 } else {
4288                         if (dev_drv->iommu_enabled) {
4289                                 if (dev_drv->ops->mmu_en)
4290                                         dev_drv->ops->mmu_en(dev_drv);
4291                                 freed_index = 0;
4292                         }
4293                 }
4294 #if defined(CONFIG_LOGO)
4295                 main_fbi->fbops->fb_set_par(main_fbi);
4296 #if  defined(CONFIG_LOGO_LINUX_BMP)
4297                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4298                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4299                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4300                 }
4301 #else
4302                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4303                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4304                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4305                 }
4306 #endif
4307                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4308 #endif
4309         } else {
4310                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4311
4312                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4313                 extend_fbi->fbops->fb_open(extend_fbi, 1);
4314 #if defined(CONFIG_RK_IOMMU)
4315                 if (dev_drv->iommu_enabled) {
4316                         if (dev_drv->mmu_dev)
4317                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4318                                                                  rk_fb_sysmmu_fault_handler);
4319                 }
4320 #endif
4321                 rk_fb_alloc_buffer(extend_fbi);
4322         }
4323 #endif
4324         return 0;
4325 }
4326
4327 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4328 {
4329         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4330         struct fb_info *fbi;
4331         int fb_index_base = dev_drv->fb_index_base;
4332         int fb_num = dev_drv->lcdc_win_num;
4333         int i = 0;
4334
4335         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4336                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4337                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4338         }
4339
4340         for (i = 0; i < fb_num; i++)
4341                 kfree(dev_drv->win[i]);
4342
4343         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4344                 fbi = fb_inf->fb[i];
4345                 unregister_framebuffer(fbi);
4346                 /* rk_release_fb_buffer(fbi); */
4347                 framebuffer_release(fbi);
4348         }
4349         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4350         fb_inf->num_lcdc--;
4351
4352         return 0;
4353 }
4354
4355 static int rk_fb_probe(struct platform_device *pdev)
4356 {
4357         struct rk_fb *rk_fb = NULL;
4358         struct device_node *np = pdev->dev.of_node;
4359         u32 mode;
4360
4361         if (!np) {
4362                 dev_err(&pdev->dev, "Missing device tree node.\n");
4363                 return -EINVAL;
4364         }
4365
4366         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4367         if (!rk_fb) {
4368                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4369                 return -ENOMEM;
4370         }
4371         platform_set_drvdata(pdev, rk_fb);
4372
4373         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4374                 rk_fb->disp_mode = mode;
4375
4376         } else {
4377                 dev_err(&pdev->dev, "no disp-mode node found!");
4378                 return -ENODEV;
4379         }
4380
4381         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4382                 rk_fb->disp_policy = mode;
4383                 pr_info("fb disp policy is %s\n",
4384                         rk_fb->disp_policy ? "box" : "sdk");
4385         }
4386
4387         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4388                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4389
4390         dev_set_name(&pdev->dev, "rockchip-fb");
4391 #if defined(CONFIG_ION_ROCKCHIP)
4392         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4393         if (IS_ERR(rk_fb->ion_client)) {
4394                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4395                 return PTR_ERR(rk_fb->ion_client);
4396         } else {
4397                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4398         }
4399 #endif
4400
4401         fb_pdev = pdev;
4402         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4403         return 0;
4404 }
4405
4406 static int rk_fb_remove(struct platform_device *pdev)
4407 {
4408         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4409
4410         kfree(rk_fb);
4411         platform_set_drvdata(pdev, NULL);
4412         return 0;
4413 }
4414
4415 static void rk_fb_shutdown(struct platform_device *pdev)
4416 {
4417         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4418         int i;
4419
4420         for (i = 0; i < rk_fb->num_lcdc; i++) {
4421                 if (!rk_fb->lcdc_dev_drv[i])
4422                         continue;
4423                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4424         }
4425 }
4426
4427 static const struct of_device_id rkfb_dt_ids[] = {
4428         {.compatible = "rockchip,rk-fb",},
4429         {}
4430 };
4431
4432 static struct platform_driver rk_fb_driver = {
4433         .probe = rk_fb_probe,
4434         .remove = rk_fb_remove,
4435         .driver = {
4436                    .name = "rk-fb",
4437                    .owner = THIS_MODULE,
4438                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4439                    },
4440         .shutdown = rk_fb_shutdown,
4441 };
4442
4443 static int __init rk_fb_init(void)
4444 {
4445         return platform_driver_register(&rk_fb_driver);
4446 }
4447
4448 static void __exit rk_fb_exit(void)
4449 {
4450         platform_driver_unregister(&rk_fb_driver);
4451 }
4452
4453 fs_initcall(rk_fb_init);
4454 module_exit(rk_fb_exit);