drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <linux/vmalloc.h>
  28 #include <asm/div64.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/rk_fb.h>
  31 #include <linux/linux_logo.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/regulator/consumer.h>
  34
  35 #include "bmp_helper.h"
  36
  37 #if defined(CONFIG_RK_HDMI)
  38 #include "hdmi/rockchip-hdmi.h"
  39 #endif
  40
  41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  42 #include "rga/rga.h"
  43 #endif
  44
  45 #ifdef CONFIG_OF
  46 #include <linux/of.h>
  47 #include <linux/of_platform.h>
  48 #include <linux/of_gpio.h>
  49 #include <video/of_display_timing.h>
  50 #include <video/display_timing.h>
  51 #include <dt-bindings/rkfb/rk_fb.h>
  52 #endif
  53
  54 #if defined(CONFIG_ION_ROCKCHIP)
  55 #include <linux/rockchip_ion.h>
  56 #include <linux/rockchip-iovmm.h>
  57 #include <linux/dma-buf.h>
  58 #include <linux/highmem.h>
  59 #endif
  60
  61 #define H_USE_FENCE 1
  62 /* #define FB_ROATE_BY_KERNEL 1 */
  63
  64 static int hdmi_switch_state;
  65 static struct platform_device *fb_pdev;
  66
  67 #if defined(CONFIG_FB_MIRRORING)
  68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  69 EXPORT_SYMBOL(video_data_to_mirroring);
  70 #endif
  71
  72 extern phys_addr_t uboot_logo_base;
  73 extern phys_addr_t uboot_logo_size;
  74 extern phys_addr_t uboot_logo_offset;
  75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  76 static struct rk_fb_trsm_ops *trsm_edp_ops;
  77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  78 static int uboot_logo_on;
  79
  80 static int rk_fb_debug_lvl;
  81 static int rk_fb_iommu_debug;
  82 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
  83 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
  84
  85 #define fb_dbg(level, x...) do {                \
  86         if (unlikely(rk_fb_debug_lvl >= level)) \
  87                 printk(KERN_INFO x);            \
  88         } while (0)
  89 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
  90                               struct rk_fb_win_cfg_data *win_data,
  91                               struct rk_fb_reg_data *regs, u32 cmd);
  92 int support_uboot_display(void)
  93 {
  94         return uboot_logo_on;
  95 }
  96
  97 int rk_fb_get_display_policy(void)
  98 {
  99         struct rk_fb *rk_fb;
 100
 101         if (fb_pdev) {
 102                 rk_fb = platform_get_drvdata(fb_pdev);
 103                 return rk_fb->disp_policy;
 104         } else {
 105                 return DISPLAY_POLICY_SDK;
 106         }
 107 }
 108
 109 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 110 {
 111         switch (type) {
 112         case SCREEN_RGB:
 113         case SCREEN_LVDS:
 114         case SCREEN_DUAL_LVDS:
 115         case SCREEN_LVDS_10BIT:
 116         case SCREEN_DUAL_LVDS_10BIT:
 117                 trsm_lvds_ops = ops;
 118                 break;
 119         case SCREEN_EDP:
 120                 trsm_edp_ops = ops;
 121                 break;
 122         case SCREEN_MIPI:
 123         case SCREEN_DUAL_MIPI:
 124                 trsm_mipi_ops = ops;
 125                 break;
 126         default:
 127                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 128                        __func__, type);
 129                 break;
 130         }
 131         return 0;
 132 }
 133
 134 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 135 {
 136         struct rk_fb_trsm_ops *ops;
 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                 printk(KERN_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         switch (data_format) {
 165         case XBGR888:
 166         case ABGR888:
 167         case ARGB888:
 168         case FBDC_ARGB_888:
 169         case FBDC_ABGR_888:
 170         case FBDC_RGBX_888:
 171                 pixel_width = 4 * 8;
 172                 break;
 173         case RGB888:
 174                 pixel_width = 3 * 8;
 175                 break;
 176         case RGB565:
 177         case FBDC_RGB_565:
 178                 pixel_width = 2 * 8;
 179                 break;
 180         case YUV422:
 181         case YUV420:
 182         case YUV420_NV21:
 183         case YUV444:
 184                 pixel_width = 1 * 8;
 185                 break;
 186         case YUV422_A:
 187         case YUV420_A:
 188         case YUV444_A:
 189                 pixel_width = 8;
 190                 break;
 191         default:
 192                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 193                        __func__, data_format);
 194                 return -EINVAL;
 195         }
 196         return pixel_width;
 197 }
 198
 199 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 200 {
 201         int fb_data_fmt;
 202         if (data_format) {
 203                 switch (data_format) {
 204                 case HAL_PIXEL_FORMAT_RGBX_8888:
 205                         fb_data_fmt = XBGR888;
 206                         break;
 207                 case HAL_PIXEL_FORMAT_RGBA_8888:
 208                         fb_data_fmt = ABGR888;
 209                         break;
 210                 case HAL_PIXEL_FORMAT_BGRA_8888:
 211                         fb_data_fmt = ARGB888;
 212                         break;
 213                 case HAL_PIXEL_FORMAT_RGB_888:
 214                         fb_data_fmt = RGB888;
 215                         break;
 216                 case HAL_PIXEL_FORMAT_RGB_565:
 217                         fb_data_fmt = RGB565;
 218                         break;
 219                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 220                         fb_data_fmt = YUV422;
 221                         break;
 222                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 223                         fb_data_fmt = YUV420_NV21;
 224                         break;
 225                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 226                         fb_data_fmt = YUV420;
 227                         break;
 228                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 229                         fb_data_fmt = YUV444;
 230                         break;
 231                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 232                         fb_data_fmt = YUV420_A;
 233                         break;
 234                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 235                         fb_data_fmt = YUV422_A;
 236                         break;
 237                 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10:  /* yuv444 */
 238                         fb_data_fmt = YUV444_A;
 239                         break;
 240                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 241                         fb_data_fmt = FBDC_RGB_565;
 242                         break;
 243                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 244                         fb_data_fmt = FBDC_ARGB_888;
 245                         break;
 246                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 247                         fb_data_fmt = FBDC_ABGR_888;
 248                         break;
 249                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 250                         fb_data_fmt = FBDC_RGBX_888;
 251                         break;
 252                 default:
 253                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 254                                __func__, data_format);
 255                         return -EINVAL;
 256                 }
 257         } else {
 258                 switch (bits_per_pixel) {
 259                 case 32:
 260                         fb_data_fmt = ARGB888;
 261                         break;
 262                 case 24:
 263                         fb_data_fmt = RGB888;
 264                         break;
 265                 case 16:
 266                         fb_data_fmt = RGB565;
 267                         break;
 268                 default:
 269                         printk(KERN_WARNING
 270                                "%s:un supported bits_per_pixel:%d\n", __func__,
 271                                bits_per_pixel);
 272                         break;
 273                 }
 274         }
 275         return fb_data_fmt;
 276 }
 277
 278 /*
 279  * rk display power control parse from dts
 280  */
 281 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 282 {
 283         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 284                                                         "power_ctr");
 285         struct device_node *child;
 286         struct rk_disp_pwr_ctr_list *pwr_ctr;
 287         struct list_head *pos;
 288         enum of_gpio_flags flags;
 289         u32 val = 0;
 290         u32 debug = 0;
 291         int ret;
 292
 293         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 294         if (!root) {
 295                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 296                         dev_drv->id);
 297                 return -ENODEV;
 298         }
 299
 300         for_each_child_of_node(root, child) {
 301                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 302                                   GFP_KERNEL);
 303                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 304                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 305                         if (val == GPIO) {
 306                                 pwr_ctr->pwr_ctr.type = GPIO;
 307                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 308                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 309                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 310                                                 child->name);
 311                                         return -EINVAL;
 312                                 }
 313                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 314                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 315                                                    child->name);
 316                                 if (ret) {
 317                                         dev_err(dev_drv->dev,
 318                                                 "request %s gpio fail:%d\n",
 319                                                 child->name, ret);
 320                                 }
 321
 322                         } else {
 323                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 324                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 325                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 326                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 327                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 328                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 329                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 330                                         pwr_ctr->pwr_ctr.volt = val;
 331                                 else
 332                                         pwr_ctr->pwr_ctr.volt = 0;
 333                         }
 334                 };
 335
 336                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 337                         pwr_ctr->pwr_ctr.delay = val;
 338                 else
 339                         pwr_ctr->pwr_ctr.delay = 0;
 340                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 341         }
 342
 343         of_property_read_u32(root, "rockchip,debug", &debug);
 344
 345         if (debug) {
 346                 list_for_each(pos, &dev_drv->pwrlist_head) {
 347                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 348                                              list);
 349                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 350                                "pwr_type:%s\n"
 351                                "gpio:%d\n"
 352                                "atv_val:%d\n"
 353                                "delay:%d\n\n",
 354                                pwr_ctr->pwr_ctr.name,
 355                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 356                                pwr_ctr->pwr_ctr.gpio,
 357                                pwr_ctr->pwr_ctr.atv_val,
 358                                pwr_ctr->pwr_ctr.delay);
 359                 }
 360         }
 361
 362         return 0;
 363
 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 = regulator_get(NULL, pwr_ctr->rgl_name);
 386                         if (regulator_lcd == NULL) {
 387                                 dev_err(dev_drv->dev,
 388                                         "%s: regulator get failed,regulator name:%s\n",
 389                                         __func__, pwr_ctr->rgl_name);
 390                                 continue;
 391                         }
 392                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 393                         while (!regulator_is_enabled(regulator_lcd)) {
 394                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 395                                         break;
 396                                 else
 397                                         dev_err(dev_drv->dev,
 398                                                 "regulator_enable failed,count=%d\n",
 399                                                 count);
 400                                 count--;
 401                         }
 402                         regulator_put(regulator_lcd);
 403                         msleep(pwr_ctr->delay);
 404                 }
 405         }
 406
 407         return 0;
 408 }
 409
 410 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 411 {
 412         struct list_head *pos;
 413         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 414         struct pwr_ctr *pwr_ctr;
 415         struct regulator *regulator_lcd = NULL;
 416         int count = 10;
 417
 418         if (list_empty(&dev_drv->pwrlist_head))
 419                 return 0;
 420         list_for_each(pos, &dev_drv->pwrlist_head) {
 421                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 422                                           list);
 423                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 424                 if (pwr_ctr->type == GPIO) {
 425                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 426                 } else if (pwr_ctr->type == REGULATOR) {
 427                         if (pwr_ctr->rgl_name)
 428                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 429                         if (regulator_lcd == NULL) {
 430                                 dev_err(dev_drv->dev,
 431                                         "%s: regulator get failed,regulator name:%s\n",
 432                                         __func__, pwr_ctr->rgl_name);
 433                                 continue;
 434                         }
 435                         while (regulator_is_enabled(regulator_lcd) > 0) {
 436                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 437                                         break;
 438                                 else
 439                                         dev_err(dev_drv->dev,
 440                                                 "regulator_disable failed,count=%d\n",
 441                                                 count);
 442                                 count--;
 443                         }
 444                         regulator_put(regulator_lcd);
 445                 }
 446         }
 447         return 0;
 448 }
 449
 450 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 451                                  struct rk_screen *screen)
 452 {
 453         screen->mode.pixclock = dt->pixelclock.typ;
 454         screen->mode.left_margin = dt->hback_porch.typ;
 455         screen->mode.right_margin = dt->hfront_porch.typ;
 456         screen->mode.xres = dt->hactive.typ;
 457         screen->mode.hsync_len = dt->hsync_len.typ;
 458         screen->mode.upper_margin = dt->vback_porch.typ;
 459         screen->mode.lower_margin = dt->vfront_porch.typ;
 460         screen->mode.yres = dt->vactive.typ;
 461         screen->mode.vsync_len = dt->vsync_len.typ;
 462         screen->type = dt->screen_type;
 463         screen->lvds_format = dt->lvds_format;
 464         screen->face = dt->face;
 465         screen->color_mode = dt->color_mode;
 466         screen->dsp_lut = dt->dsp_lut;
 467         screen->cabc_lut = dt->cabc_lut;
 468         screen->cabc_gamma_base = dt->cabc_gamma_base;
 469
 470         if (dt->flags & DISPLAY_FLAGS_INTERLACED)
 471                 screen->mode.vmode |= FB_VMODE_INTERLACED;
 472         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 473                 screen->pin_dclk = 1;
 474         else
 475                 screen->pin_dclk = 0;
 476         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 477                 screen->pin_hsync = 1;
 478         else
 479                 screen->pin_hsync = 0;
 480         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 481                 screen->pin_vsync = 1;
 482         else
 483                 screen->pin_vsync = 0;
 484         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 485                 screen->pin_den = 1;
 486         else
 487                 screen->pin_den = 0;
 488
 489         return 0;
 490
 491 }
 492
 493 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 494 {
 495         struct display_timings *disp_timing;
 496         struct display_timing *dt;
 497         disp_timing = of_get_display_timings(np);
 498         if (!disp_timing) {
 499                 pr_err("parse display timing err\n");
 500                 return -EINVAL;
 501         }
 502         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 503         rk_fb_video_mode_from_timing(dt, screen);
 504         return 0;
 505
 506 }
 507
 508 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 509 {
 510         int x, y;
 511         unsigned long long hz;
 512         if (!screen) {
 513                 printk(KERN_ERR "%s:null screen!\n", __func__);
 514                 return 0;
 515         }
 516         x = screen->mode.xres + screen->mode.left_margin +
 517             screen->mode.right_margin + screen->mode.hsync_len;
 518         y = screen->mode.yres + screen->mode.upper_margin +
 519             screen->mode.lower_margin + screen->mode.vsync_len;
 520
 521         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 522
 523         hz += (x * y) / 2;
 524         do_div(hz, x * y);      /* divide by x * y with rounding */
 525
 526         hz += pixclock / 2;
 527         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 528
 529         return hz;
 530 }
 531
 532 char *get_format_string(enum data_format format, char *fmt)
 533 {
 534         if (!fmt)
 535                 return NULL;
 536         switch (format) {
 537         case ARGB888:
 538                 strcpy(fmt, "ARGB888");
 539                 break;
 540         case RGB888:
 541                 strcpy(fmt, "RGB888");
 542                 break;
 543         case RGB565:
 544                 strcpy(fmt, "RGB565");
 545                 break;
 546         case YUV420:
 547         case YUV420_NV21:
 548                 strcpy(fmt, "YUV420");
 549                 break;
 550         case YUV422:
 551                 strcpy(fmt, "YUV422");
 552                 break;
 553         case YUV444:
 554                 strcpy(fmt, "YUV444");
 555                 break;
 556         case YUV420_A:
 557                 strcpy(fmt, "YUV420_A");
 558                 break;
 559         case YUV422_A:
 560                 strcpy(fmt, "YUV422_A");
 561                 break;
 562         case YUV444_A:
 563                 strcpy(fmt, "YUV444_A");
 564                 break;
 565         case XRGB888:
 566                 strcpy(fmt, "XRGB888");
 567                 break;
 568         case XBGR888:
 569                 strcpy(fmt, "XBGR888");
 570                 break;
 571         case ABGR888:
 572                 strcpy(fmt, "ABGR888");
 573                 break;
 574         case FBDC_RGB_565:
 575                 strcpy(fmt, "FBDC_RGB_565");
 576                 break;
 577         case FBDC_ARGB_888:
 578         case FBDC_ABGR_888:
 579                 strcpy(fmt, "FBDC_ARGB_888");
 580                 break;
 581         case FBDC_RGBX_888:
 582                 strcpy(fmt, "FBDC_RGBX_888");
 583                 break;
 584         default:
 585                 strcpy(fmt, "invalid");
 586                 break;
 587         }
 588
 589         return fmt;
 590
 591 }
 592
 593 /*
 594  * this is for hdmi
 595  * name: lcdc device name ,lcdc0 , lcdc1
 596  */
 597 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 598 {
 599         struct rk_fb *inf = NULL;
 600         struct rk_lcdc_driver *dev_drv = NULL;
 601         int i = 0;
 602
 603         if (likely(fb_pdev))
 604                 inf = platform_get_drvdata(fb_pdev);
 605         else
 606                 return NULL;
 607
 608         for (i = 0; i < inf->num_lcdc; i++) {
 609                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 610                         dev_drv = inf->lcdc_dev_drv[i];
 611                         break;
 612                 }
 613         }
 614
 615         return dev_drv;
 616 }
 617
 618 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 619 {
 620         struct rk_fb *inf = NULL;
 621         struct rk_lcdc_driver *dev_drv = NULL;
 622         int i = 0;
 623
 624         if (likely(fb_pdev))
 625                 inf = platform_get_drvdata(fb_pdev);
 626         else
 627                 return NULL;
 628
 629         for (i = 0; i < inf->num_lcdc; i++) {
 630                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 631                         dev_drv = inf->lcdc_dev_drv[i];
 632                         break;
 633                 }
 634         }
 635
 636         return dev_drv;
 637 }
 638
 639 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 640 {
 641         struct rk_fb *inf = NULL;
 642         struct rk_lcdc_driver *dev_drv = NULL;
 643         int i = 0;
 644
 645         if (likely(fb_pdev))
 646                 inf = platform_get_drvdata(fb_pdev);
 647         else
 648                 return NULL;
 649
 650         for (i = 0; i < inf->num_lcdc; i++) {
 651                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 652                         dev_drv = inf->lcdc_dev_drv[i];
 653                         break;
 654                 }
 655         }
 656
 657         return dev_drv;
 658 }
 659
 660 /*
 661  * get one frame time of the prmry screen, unit: us
 662  */
 663 u32 rk_fb_get_prmry_screen_ft(void)
 664 {
 665         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 666         uint32_t htotal, vtotal, pixclock_ps;
 667         u64 pix_total, ft_us;
 668
 669         if (unlikely(!dev_drv))
 670                 return 0;
 671
 672         pixclock_ps = dev_drv->pixclock;
 673
 674         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 675                  dev_drv->cur_screen->mode.lower_margin +
 676                  dev_drv->cur_screen->mode.yres +
 677                  dev_drv->cur_screen->mode.vsync_len);
 678         htotal = (dev_drv->cur_screen->mode.left_margin +
 679                  dev_drv->cur_screen->mode.right_margin +
 680                  dev_drv->cur_screen->mode.xres +
 681                  dev_drv->cur_screen->mode.hsync_len);
 682         pix_total = htotal * vtotal;
 683         ft_us = pix_total * pixclock_ps;
 684         do_div(ft_us, 1000000);
 685         if (dev_drv->frame_time.ft == 0)
 686                 dev_drv->frame_time.ft = ft_us;
 687
 688         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 689         do_div(ft_us, 1000);
 690         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 691         if (ft_us != 0)
 692                 dev_drv->frame_time.ft = ft_us;
 693
 694         return dev_drv->frame_time.ft;
 695 }
 696
 697 /*
 698  * get the vblanking time of the prmry screen, unit: us
 699  */
 700 u32 rk_fb_get_prmry_screen_vbt(void)
 701 {
 702         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 703         uint32_t htotal, vblank, pixclock_ps;
 704         u64 pix_blank, vbt_us;
 705
 706         if (unlikely(!dev_drv))
 707                 return 0;
 708
 709         pixclock_ps = dev_drv->pixclock;
 710
 711         htotal = (dev_drv->cur_screen->mode.left_margin +
 712                  dev_drv->cur_screen->mode.right_margin +
 713                  dev_drv->cur_screen->mode.xres +
 714                  dev_drv->cur_screen->mode.hsync_len);
 715         vblank = (dev_drv->cur_screen->mode.upper_margin +
 716                  dev_drv->cur_screen->mode.lower_margin +
 717                  dev_drv->cur_screen->mode.vsync_len);
 718         pix_blank = htotal * vblank;
 719         vbt_us = pix_blank * pixclock_ps;
 720         do_div(vbt_us, 1000000);
 721         return (u32)vbt_us;
 722 }
 723
 724 /*
 725  * get the frame done time of the prmry screen, unit: us
 726  */
 727 u64 rk_fb_get_prmry_screen_framedone_t(void)
 728 {
 729         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 730
 731         if (unlikely(!dev_drv))
 732                 return 0;
 733         else
 734                 return dev_drv->frame_time.framedone_t;
 735 }
 736
 737 /*
 738  * set prmry screen status
 739  */
 740 int rk_fb_set_prmry_screen_status(int status)
 741 {
 742         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 743         struct rk_screen *screen;
 744
 745         if (unlikely(!dev_drv))
 746                 return 0;
 747
 748         screen = dev_drv->cur_screen;
 749         switch (status) {
 750         case SCREEN_PREPARE_DDR_CHANGE:
 751                 if (screen->type == SCREEN_MIPI
 752                         || screen->type == SCREEN_DUAL_MIPI) {
 753                         if (dev_drv->trsm_ops->dsp_pwr_off)
 754                                 dev_drv->trsm_ops->dsp_pwr_off();
 755                 }
 756                 break;
 757         case SCREEN_UNPREPARE_DDR_CHANGE:
 758                 if (screen->type == SCREEN_MIPI
 759                         || screen->type == SCREEN_DUAL_MIPI) {
 760                         if (dev_drv->trsm_ops->dsp_pwr_on)
 761                                 dev_drv->trsm_ops->dsp_pwr_on();
 762                 }
 763                 break;
 764         default:
 765                 break;
 766         }
 767
 768         return 0;
 769 }
 770
 771 u32 rk_fb_get_prmry_screen_pixclock(void)
 772 {
 773         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 774
 775         if (unlikely(!dev_drv))
 776                 return 0;
 777         else
 778                 return dev_drv->pixclock;
 779 }
 780
 781 int rk_fb_poll_prmry_screen_vblank(void)
 782 {
 783         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 784
 785         if (likely(dev_drv)) {
 786                 if (dev_drv->ops->poll_vblank)
 787                         return dev_drv->ops->poll_vblank(dev_drv);
 788                 else
 789                         return RK_LF_STATUS_NC;
 790         } else {
 791                 return RK_LF_STATUS_NC;
 792         }
 793 }
 794
 795 bool rk_fb_poll_wait_frame_complete(void)
 796 {
 797         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 798         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 799
 800         if (likely(dev_drv)) {
 801                 if (dev_drv->ops->set_irq_to_cpu)
 802                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 803         }
 804
 805         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 806                 if (likely(dev_drv)) {
 807                         if (dev_drv->ops->set_irq_to_cpu)
 808                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 809                 }
 810                 return false;
 811         }
 812         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 813                 ;
 814         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 815                 ;
 816         if (likely(dev_drv)) {
 817                 if (dev_drv->ops->set_irq_to_cpu)
 818                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 819         }
 820
 821         return true;
 822 }
 823
 824
 825 /* rk_fb_get_sysmmu_device_by_compatible()
 826  * @compt: dts device compatible name
 827  * return value: success: pointer to the device inside of platform device
 828  *               fail: NULL
 829  */
 830 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 831 {
 832         struct device_node *dn = NULL;
 833         struct platform_device *pd = NULL;
 834         struct device *ret = NULL ;
 835
 836         dn = of_find_compatible_node(NULL, NULL, compt);
 837         if (!dn) {
 838                 printk("can't find device node %s \r\n", compt);
 839                 return NULL;
 840         }
 841
 842         pd = of_find_device_by_node(dn);
 843         if (!pd) {
 844                 printk("can't find platform device in device node %s \r\n", compt);
 845                 return  NULL;
 846         }
 847         ret = &pd->dev;
 848
 849         return ret;
 850 }
 851
 852 #ifdef CONFIG_IOMMU_API
 853 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 854 {
 855         dev->archdata.iommu = sysmmu;
 856 }
 857 #else
 858 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 859 {
 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) * (info->var.bits_per_pixel >> 3);
 909                         info->var.width = dev_drv->screen0->width;
 910                         info->var.height = dev_drv->screen0->height;
 911                         info->var.pixclock = dev_drv->pixclock;
 912                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 913                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 914                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 915                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 916                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 917                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 918                 }
 919         }
 920
 921         return 0;
 922 }
 923
 924 #if defined(FB_ROATE_BY_KERNEL)
 925
 926 #if defined(CONFIG_RK29_IPP)
 927 static int get_ipp_format(int fmt)
 928 {
 929         int ipp_fmt = IPP_XRGB_8888;
 930         switch (fmt) {
 931         case HAL_PIXEL_FORMAT_RGBX_8888:
 932         case HAL_PIXEL_FORMAT_RGBA_8888:
 933         case HAL_PIXEL_FORMAT_BGRA_8888:
 934         case HAL_PIXEL_FORMAT_RGB_888:
 935                 ipp_fmt = IPP_XRGB_8888;
 936                 break;
 937         case HAL_PIXEL_FORMAT_RGB_565:
 938                 ipp_fmt = IPP_RGB_565;
 939                 break;
 940         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 941                 ipp_fmt = IPP_Y_CBCR_H2V1;
 942                 break;
 943         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 944                 ipp_fmt = IPP_Y_CBCR_H2V2;
 945                 break;
 946         case HAL_PIXEL_FORMAT_YCrCb_444:
 947                 ipp_fmt = IPP_Y_CBCR_H1V1;
 948                 break;
 949         default:
 950                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 951                 break;
 952         }
 953
 954         return ipp_fmt;
 955 }
 956
 957 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 958                           int rotation, int fmt)
 959 {
 960         int align16 = 2;
 961         int align64 = 8;
 962
 963         if (fmt == IPP_XRGB_8888) {
 964                 align16 = 1;
 965                 align64 = 2;
 966         } else if (fmt == IPP_RGB_565) {
 967                 align16 = 1;
 968                 align64 = 4;
 969         } else {
 970                 align16 = 2;
 971                 align64 = 8;
 972         }
 973         align16 -= 1;           /*for YUV, 1 */
 974         align64 -= 1;           /*for YUV, 7 */
 975
 976         if (rotation == IPP_ROT_0) {
 977                 if (fmt > IPP_RGB_565) {
 978                         if ((*dst_w & 1) != 0)
 979                                 *dst_w = *dst_w + 1;
 980                         if ((*dst_h & 1) != 0)
 981                                 *dst_h = *dst_h + 1;
 982                         if (*dst_vir_w < *dst_w)
 983                                 *dst_vir_w = *dst_w;
 984                 }
 985         } else {
 986                 if ((*dst_w & align64) != 0)
 987                         *dst_w = (*dst_w + align64) & (~align64);
 988                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 989                         *dst_h = *dst_h + 1;
 990                 if (*dst_vir_w < *dst_w)
 991                         *dst_vir_w = *dst_w;
 992         }
 993 }
 994
 995 static void fb_copy_by_ipp(struct fb_info *dst_info,
 996                                 struct fb_info *src_info)
 997 {
 998         struct rk29_ipp_req ipp_req;
 999         uint32_t rotation = 0;
1000         int dst_w, dst_h, dst_vir_w;
1001         int ipp_fmt;
1002         u8 data_format = (dst_info->var.nonstd) & 0xff;
1003         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1004         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1005         u16 orientation = ext_dev_drv->rotate_mode;
1006
1007         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1008
1009         switch (orientation) {
1010         case 0:
1011                 rotation = IPP_ROT_0;
1012                 break;
1013         case ROTATE_90:
1014                 rotation = IPP_ROT_90;
1015                 break;
1016         case ROTATE_180:
1017                 rotation = IPP_ROT_180;
1018                 break;
1019         case ROTATE_270:
1020                 rotation = IPP_ROT_270;
1021                 break;
1022         default:
1023                 rotation = IPP_ROT_270;
1024                 break;
1025         }
1026
1027         dst_w = dst_info->var.xres;
1028         dst_h = dst_info->var.yres;
1029         dst_vir_w = dst_info->var.xres_virtual;
1030         ipp_fmt = get_ipp_format(data_format);
1031         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1032         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1033         ipp_req.src0.w = src_info->var.xres;
1034         ipp_req.src0.h = src_info->var.yres;
1035         ipp_req.src_vir_w = src_info->var.xres_virtual;
1036         ipp_req.src0.fmt = ipp_fmt;
1037
1038         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1039         ipp_req.dst0.w = dst_w;
1040         ipp_req.dst0.h = dst_h;
1041         ipp_req.dst_vir_w = dst_vir_w;
1042         ipp_req.dst0.fmt = ipp_fmt;
1043
1044         ipp_req.timeout = 100;
1045         ipp_req.flag = rotation;
1046         ipp_blit_sync(&ipp_req);
1047 }
1048
1049 #endif
1050
1051 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1052 static int get_rga_format(int fmt)
1053 {
1054         int rga_fmt = 0;
1055
1056         switch (fmt) {
1057         case XBGR888:
1058                 rga_fmt = RK_FORMAT_RGBX_8888;
1059                 break;
1060         case ABGR888:
1061                 rga_fmt = RK_FORMAT_RGBA_8888;
1062                 break;
1063         case ARGB888:
1064                 rga_fmt = RK_FORMAT_BGRA_8888;
1065                 break;
1066         case RGB888:
1067                 rga_fmt = RK_FORMAT_RGB_888;
1068                 break;
1069         case RGB565:
1070                 rga_fmt = RK_FORMAT_RGB_565;
1071                 break;
1072         case YUV422:
1073                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1074                 break;
1075         case YUV420:
1076                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1077                 break;
1078         default:
1079                 rga_fmt = RK_FORMAT_RGBA_8888;
1080                 break;
1081         }
1082
1083         return rga_fmt;
1084 }
1085
1086 static void rga_win_check(struct rk_lcdc_win *dst_win,
1087                           struct rk_lcdc_win *src_win)
1088 {
1089         int format = 0;
1090
1091         format = get_rga_format(src_win->area[0].format);
1092         /* width and height must be even number */
1093         if (format >= RK_FORMAT_YCbCr_422_SP &&
1094             format <= RK_FORMAT_YCrCb_420_P) {
1095                 if ((src_win->area[0].xact % 2) != 0)
1096                         src_win->area[0].xact += 1;
1097                 if ((src_win->area[0].yact % 2) != 0)
1098                         src_win->area[0].yact += 1;
1099         }
1100         if (src_win->area[0].xvir < src_win->area[0].xact)
1101                 src_win->area[0].xvir = src_win->area[0].xact;
1102         if (src_win->area[0].yvir < src_win->area[0].yact)
1103                 src_win->area[0].yvir = src_win->area[0].yact;
1104
1105         format = get_rga_format(dst_win->area[0].format);
1106         if (format >= RK_FORMAT_YCbCr_422_SP &&
1107             format <= RK_FORMAT_YCrCb_420_P) {
1108                 if ((dst_win->area[0].xact % 2) != 0)
1109                         dst_win->area[0].xact += 1;
1110                 if ((dst_win->area[0].yact % 2) != 0)
1111                         dst_win->area[0].yact += 1;
1112         }
1113         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1114                 dst_win->area[0].xvir = dst_win->area[0].xact;
1115         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1116                 dst_win->area[0].yvir = dst_win->area[0].yact;
1117 }
1118
1119 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1120                             struct rk_lcdc_win *src_win,
1121                             u16 orientation, int iommu_en)
1122 {
1123         struct rga_req Rga_Request;
1124         long ret = 0;
1125         /* int fd = 0; */
1126
1127         memset(&Rga_Request, 0, sizeof(Rga_Request));
1128         rga_win_check(dst_win, src_win);
1129
1130         switch (orientation) {
1131         case ROTATE_90:
1132                 Rga_Request.rotate_mode = 1;
1133                 Rga_Request.sina = 65536;
1134                 Rga_Request.cosa = 0;
1135                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1136                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1137                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1138                 Rga_Request.dst.y_offset = 0;
1139                 break;
1140         case ROTATE_180:
1141                 Rga_Request.rotate_mode = 1;
1142                 Rga_Request.sina = 0;
1143                 Rga_Request.cosa = -65536;
1144                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1145                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1146                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1147                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1148                 break;
1149         case ROTATE_270:
1150                 Rga_Request.rotate_mode = 1;
1151                 Rga_Request.sina = -65536;
1152                 Rga_Request.cosa = 0;
1153                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1154                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1155                 Rga_Request.dst.x_offset = 0;
1156                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1157                 break;
1158         default:
1159                 Rga_Request.rotate_mode = 0;
1160                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1161                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1162                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1163                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1164                 break;
1165         }
1166
1167 /*
1168         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1169         Rga_Request.src.yrgb_addr = fd;
1170         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1171         Rga_Request.dst.yrgb_addr = fd;
1172 */
1173         Rga_Request.src.yrgb_addr = 0;
1174         Rga_Request.src.uv_addr =
1175             src_win->area[0].smem_start + src_win->area[0].y_offset;
1176         Rga_Request.src.v_addr = 0;
1177
1178         Rga_Request.dst.yrgb_addr = 0;
1179         Rga_Request.dst.uv_addr =
1180             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1181         Rga_Request.dst.v_addr = 0;
1182
1183         Rga_Request.src.vir_w = src_win->area[0].xvir;
1184         Rga_Request.src.vir_h = src_win->area[0].yvir;
1185         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1186         Rga_Request.src.act_w = src_win->area[0].xact;
1187         Rga_Request.src.act_h = src_win->area[0].yact;
1188         Rga_Request.src.x_offset = 0;
1189         Rga_Request.src.y_offset = 0;
1190
1191         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1192         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1193         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1194
1195         Rga_Request.clip.xmin = 0;
1196         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1197         Rga_Request.clip.ymin = 0;
1198         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1199         Rga_Request.scale_mode = 0;
1200 #if defined(CONFIG_ROCKCHIP_IOMMU)
1201         if (iommu_en) {
1202                 Rga_Request.mmu_info.mmu_en = 1;
1203                 Rga_Request.mmu_info.mmu_flag = 1;
1204         } else {
1205                 Rga_Request.mmu_info.mmu_en = 0;
1206                 Rga_Request.mmu_info.mmu_flag = 0;
1207         }
1208 #else
1209         Rga_Request.mmu_info.mmu_en = 0;
1210         Rga_Request.mmu_info.mmu_flag = 0;
1211 #endif
1212
1213         ret = rga_ioctl_kernel(&Rga_Request);
1214 }
1215
1216 /*
1217  * This function is used for copying fb by RGA Module
1218  * RGA only support copy RGB to RGB
1219  * RGA2 support copy RGB to RGB and YUV to YUV
1220  */
1221 static void fb_copy_by_rga(struct fb_info *dst_info,
1222                                 struct fb_info *src_info)
1223 {
1224         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1225         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1226         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1227         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1228         int win_id = 0, ext_win_id;
1229         struct rk_lcdc_win *src_win, *dst_win;
1230
1231         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1232         src_win = dev_drv->win[win_id];
1233
1234         ext_win_id =
1235             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1236         dst_win = ext_dev_drv->win[ext_win_id];
1237
1238         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1239                         ext_dev_drv->iommu_enabled);
1240 }
1241 #endif
1242
1243 static int rk_fb_rotate(struct fb_info *dst_info,
1244                           struct fb_info *src_info)
1245 {
1246
1247 #if defined(CONFIG_RK29_IPP)
1248         fb_copy_by_ipp(dst_info, src_info);
1249 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1250         fb_copy_by_rga(dst_info, src_info);
1251 #else
1252         return -1;
1253 #endif
1254         return 0;
1255 }
1256
1257 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1258                                             struct rk_lcdc_win *src_win,
1259                                             u16 rotate, int iommu_en)
1260 {
1261 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1262         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1263 #else
1264         return -1;
1265 #endif
1266         return 0;
1267 }
1268
1269 #endif
1270
1271 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1272                              struct fb_info *info)
1273 {
1274         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1275         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1276         struct fb_fix_screeninfo *fix = &info->fix;
1277         int win_id = 0;
1278         struct rk_lcdc_win *win = NULL;
1279         struct rk_screen *screen = dev_drv->cur_screen;
1280         u32 xoffset = var->xoffset;
1281         u32 yoffset = var->yoffset;
1282         u32 xvir = var->xres_virtual;
1283         u8 pixel_width;
1284         u32 vir_width_bit;
1285         u32 stride, uv_stride;
1286         u32 stride_32bit_1;
1287         u32 stride_32bit_2;
1288         u16 uv_x_off, uv_y_off, uv_y_act;
1289         u8 is_pic_yuv = 0;
1290
1291         if (dev_drv->suspend_flag)
1292                 return 0;
1293         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1294         if (win_id < 0)
1295                 return -ENODEV;
1296         else
1297                 win = dev_drv->win[win_id];
1298
1299         pixel_width = rk_fb_pixel_width(win->area[0].format);
1300         vir_width_bit = pixel_width * xvir;
1301         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1302         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1303
1304         switch (win->area[0].format) {
1305         case YUV422:
1306         case YUV422_A:
1307                 is_pic_yuv = 1;
1308                 stride = stride_32bit_1;
1309                 uv_stride = stride_32bit_1;
1310                 uv_x_off = xoffset;
1311                 uv_y_off = yoffset;
1312                 fix->line_length = stride;
1313                 uv_y_act = win->area[0].yact >> 1;
1314                 break;
1315         case YUV420:            /* nv12 */
1316         case YUV420_NV21:       /* nv21 */
1317         case YUV420_A:
1318                 is_pic_yuv = 1;
1319                 stride = stride_32bit_1;
1320                 uv_stride = stride_32bit_1;
1321                 uv_x_off = xoffset;
1322                 uv_y_off = yoffset >> 1;
1323                 fix->line_length = stride;
1324                 uv_y_act = win->area[0].yact >> 1;
1325                 break;
1326         case YUV444:
1327         case YUV444_A:
1328                 is_pic_yuv = 1;
1329                 stride = stride_32bit_1;
1330                 uv_stride = stride_32bit_2;
1331                 uv_x_off = xoffset * 2;
1332                 uv_y_off = yoffset;
1333                 fix->line_length = stride << 2;
1334                 uv_y_act = win->area[0].yact;
1335                 break;
1336         default:
1337                 stride = stride_32bit_1;        /* default rgb */
1338                 fix->line_length = stride;
1339                 break;
1340         }
1341
1342         /* x y mirror ,jump line */
1343         if ((screen->y_mirror == 1) ||
1344             (win->mirror_en == 1)) {
1345                 if (screen->interlace == 1) {
1346                         win->area[0].y_offset = yoffset * stride * 2 +
1347                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1348                             xoffset * pixel_width / 8;
1349                 } else {
1350                         win->area[0].y_offset = yoffset * stride +
1351                             (win->area[0].yact - 1) * stride +
1352                             xoffset * pixel_width / 8;
1353                 }
1354         } else {
1355                 if (screen->interlace == 1) {
1356                         win->area[0].y_offset =
1357                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1358                 } else {
1359                         win->area[0].y_offset =
1360                             yoffset * stride + xoffset * pixel_width / 8;
1361                 }
1362         }
1363         if (is_pic_yuv == 1) {
1364                 if ((screen->y_mirror == 1) ||
1365                     (win->mirror_en == 1)) {
1366                         if (screen->interlace == 1) {
1367                                 win->area[0].c_offset =
1368                                     uv_y_off * uv_stride * 2 +
1369                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1370                                     uv_x_off * pixel_width / 8;
1371                         } else {
1372                                 win->area[0].c_offset = uv_y_off * uv_stride +
1373                                     (uv_y_act - 1) * uv_stride +
1374                                     uv_x_off * pixel_width / 8;
1375                         }
1376                 } else {
1377                         if (screen->interlace == 1) {
1378                                 win->area[0].c_offset =
1379                                     uv_y_off * uv_stride * 2 +
1380                                     uv_x_off * pixel_width / 8;
1381                         } else {
1382                                 win->area[0].c_offset =
1383                                     uv_y_off * uv_stride +
1384                                     uv_x_off * pixel_width / 8;
1385                         }
1386                 }
1387         }
1388
1389         win->area[0].smem_start = fix->smem_start;
1390         win->area[0].cbr_start = fix->mmio_start;
1391         win->area[0].state = 1;
1392         win->area_num = 1;
1393
1394         dev_drv->ops->pan_display(dev_drv, win_id);
1395
1396 #ifdef  CONFIG_FB_MIRRORING
1397         if (video_data_to_mirroring)
1398                 video_data_to_mirroring(info, NULL);
1399 #endif
1400         /*if not want the config effect,set reserved[3] bit[0] 1*/
1401         if (likely((var->reserved[3] & 0x1) == 0))
1402                 dev_drv->ops->cfg_done(dev_drv);
1403         if (dev_drv->hdmi_switch)
1404                 mdelay(100);
1405         return 0;
1406 }
1407
1408 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1409 {
1410         int i, j;
1411
1412         i = list_empty(&dev_drv->update_regs_list);
1413         j = list_empty(&dev_drv->saved_list);
1414         return i == j ? 0 : 1;
1415 }
1416
1417 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1418 {
1419         int err = sync_fence_wait(fence, 1000);
1420
1421         if (err >= 0)
1422                 return;
1423
1424         if (err == -ETIME)
1425                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1426
1427         if (err < 0)
1428                 printk("error waiting on fence\n");
1429 }
1430 #if 0
1431 static int rk_fb_copy_from_loader(struct fb_info *info)
1432 {
1433         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1434         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1435         void *dst = info->screen_base;
1436         u32 dsp_addr[4];
1437         u32 src;
1438         u32 i,size;
1439         int win_id;
1440         struct rk_lcdc_win *win;
1441
1442         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1443         win = dev_drv->win[win_id];
1444         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1445         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1446         src = dsp_addr[win_id];
1447         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1448                  win->area[0].xact, win->area[0].yact, src);
1449         for (i = 0; i < size; i += PAGE_SIZE) {
1450                 void *page = phys_to_page(i + src);
1451                 void *from_virt = kmap(page);
1452                 void *to_virt = dst + i;
1453                 memcpy(to_virt, from_virt, PAGE_SIZE);
1454         }
1455         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1456                                       info->fix.smem_start);
1457         return 0;
1458 }
1459 #endif
1460 #ifdef CONFIG_ROCKCHIP_IOMMU
1461 static int g_last_addr[5][4];
1462 static int g_now_config_addr[5][4];
1463 static int g_last_state[5][4];
1464 static int g_now_config_state[5][4];
1465 int g_last_timeout;
1466 u32 freed_addr[10];
1467 u32 freed_index;
1468
1469 #define DUMP_CHUNK 256
1470 char buf[PAGE_SIZE];
1471
1472 int rk_fb_sysmmu_fault_handler(struct device *dev,
1473                                enum rk_iommu_inttype itype,
1474                                unsigned long pgtable_base,
1475                                unsigned long fault_addr, unsigned int status)
1476 {
1477         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1478         int i = 0, j = 0;
1479         static int page_fault_cnt;
1480         if ((page_fault_cnt++) >= 10)
1481                 return 0;
1482         pr_err
1483             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1484              fault_addr, pgtable_base, status);
1485         pr_info("last config addr:\n");
1486         for (i = 0; i < 4; i++) {
1487                 for (j = 0; j < 4; j++)
1488                         pr_info("win[%d],area[%d] = 0x%08x\n",
1489                                 i, j, g_last_addr[i][j]);
1490         }
1491         pr_info("last freed buffer:\n");
1492         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1493                 printk("%d:0x%08x\n", i, freed_addr[i]);
1494         printk("last timeout:%d\n", g_last_timeout);
1495         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1496         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1497                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1498                         char c = buf[i + DUMP_CHUNK];
1499                         buf[i + DUMP_CHUNK] = 0;
1500                         pr_cont("%s", buf + i);
1501                         buf[i + DUMP_CHUNK] = c;
1502                 } else {
1503                         buf[PAGE_SIZE - 1] = 0;
1504                         pr_cont("%s", buf + i);
1505                 }
1506         }
1507
1508         return 0;
1509 }
1510 #endif
1511
1512 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1513                         struct rk_fb_reg_win_data *reg_win_data)
1514 {
1515         int i, index_buf;
1516         struct rk_fb_reg_area_data *area_data;
1517         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1518
1519         for (i = 0; i < reg_win_data->area_num; i++) {
1520                 area_data = &reg_win_data->reg_area_data[i];
1521                 index_buf = area_data->index_buf;
1522 #if defined(CONFIG_ROCKCHIP_IOMMU)
1523                 if (dev_drv->iommu_enabled) {
1524                         if (area_data->ion_handle != NULL)
1525                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1526                                                 area_data->ion_handle);
1527                         freed_addr[freed_index++] = area_data->smem_start;
1528                 }
1529 #endif
1530                 if (area_data->ion_handle != NULL)
1531                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1532
1533                 if (area_data->acq_fence)
1534                         sync_fence_put(area_data->acq_fence);
1535         }
1536         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1537 }
1538
1539 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1540                                 struct rk_lcdc_win *win,
1541                                 struct rk_fb_reg_win_data *reg_win_data)
1542 {
1543         int i = 0;
1544         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1545         struct rk_screen *cur_screen;
1546         struct rk_screen primary_screen;
1547
1548         if (unlikely(!inf) || unlikely(!dev_drv) ||
1549             unlikely(!win) || unlikely(!reg_win_data))
1550                 return;
1551
1552         cur_screen = dev_drv->cur_screen;
1553         rk_fb_get_prmry_screen(&primary_screen);
1554
1555         win->area_num = reg_win_data->area_num;
1556         win->id = reg_win_data->win_id;
1557         win->z_order = reg_win_data->z_order;
1558
1559         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1560                 win->state = 1;
1561                 win->area_num = reg_win_data->area_num;
1562                 win->id = reg_win_data->win_id;
1563                 win->z_order = reg_win_data->z_order;
1564                 win->area[0].uv_vir_stride =
1565                     reg_win_data->reg_area_data[0].uv_vir_stride;
1566                 win->area[0].cbr_start =
1567                     reg_win_data->reg_area_data[0].cbr_start;
1568                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1569                 win->alpha_en = reg_win_data->alpha_en;
1570                 win->alpha_mode = reg_win_data->alpha_mode;
1571                 win->g_alpha_val = reg_win_data->g_alpha_val;
1572                 win->mirror_en = reg_win_data->mirror_en;
1573                 win->colorspace = reg_win_data->colorspace;
1574                 win->area[0].fbdc_en =
1575                         reg_win_data->reg_area_data[0].fbdc_en;
1576                 win->area[0].fbdc_cor_en =
1577                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1578                 win->area[0].fbdc_data_format =
1579                         reg_win_data->reg_area_data[0].fbdc_data_format;
1580                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1581                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1582                                 win->area[i].format =
1583                                         reg_win_data->reg_area_data[i].data_format;
1584                                 win->area[i].ion_hdl =
1585                                         reg_win_data->reg_area_data[i].ion_handle;
1586                                 win->area[i].smem_start =
1587                                         reg_win_data->reg_area_data[i].smem_start;
1588                                 if (inf->disp_mode == DUAL ||
1589                                     inf->disp_mode == NO_DUAL) {
1590                                         win->area[i].xpos =
1591                                                 reg_win_data->reg_area_data[i].xpos;
1592                                         win->area[i].ypos =
1593                                                 reg_win_data->reg_area_data[i].ypos;
1594                                         win->area[i].xsize =
1595                                                 reg_win_data->reg_area_data[i].xsize;
1596                                         win->area[i].ysize =
1597                                                 reg_win_data->reg_area_data[i].ysize;
1598                                 } else {
1599                                         win->area[i].xpos =
1600                                                 reg_win_data->reg_area_data[i].xpos *
1601                                                 cur_screen->mode.xres /
1602                                                 primary_screen.mode.xres;
1603                                         win->area[i].ypos =
1604                                                 reg_win_data->reg_area_data[i].ypos *
1605                                                 cur_screen->mode.yres /
1606                                                 primary_screen.mode.yres;
1607                                         win->area[i].xsize =
1608                                                 reg_win_data->reg_area_data[i].xsize *
1609                                                 cur_screen->mode.xres /
1610                                                 primary_screen.mode.xres;
1611                                         win->area[i].ysize =
1612                                                 reg_win_data->reg_area_data[i].ysize *
1613                                                 cur_screen->mode.yres /
1614                                                 primary_screen.mode.yres;
1615
1616                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1617                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1618                                                 if (cur_screen->xsize > 0 &&
1619                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1620                                                         win->area[i].xpos =
1621                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1622                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1623                                                         win->area[i].xsize =
1624                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1625                                                 }
1626                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1627                                                         win->area[i].ypos =
1628                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1629                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1630                                                         win->area[i].ysize =
1631                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1632                                                 }
1633                                         }
1634                                 }
1635                                 win->area[i].xact =
1636                                     reg_win_data->reg_area_data[i].xact;
1637                                 win->area[i].yact =
1638                                     reg_win_data->reg_area_data[i].yact;
1639                                 win->area[i].xvir =
1640                                     reg_win_data->reg_area_data[i].xvir;
1641                                 win->area[i].yvir =
1642                                     reg_win_data->reg_area_data[i].yvir;
1643                                 win->area[i].xoff =
1644                                     reg_win_data->reg_area_data[i].xoff;
1645                                 win->area[i].yoff =
1646                                     reg_win_data->reg_area_data[i].yoff;
1647                                 win->area[i].y_offset =
1648                                     reg_win_data->reg_area_data[i].y_offset;
1649                                 win->area[i].y_vir_stride =
1650                                     reg_win_data->reg_area_data[i].y_vir_stride;
1651                                 win->area[i].state = 1;
1652 #if defined(CONFIG_ROCKCHIP_IOMMU)
1653                                 if (dev_drv->iommu_enabled) {
1654                                         g_now_config_addr[win->id][i] =
1655                                                 win->area[i].smem_start +
1656                                                 win->area[i].y_offset;
1657                                         g_now_config_state[win->id][i] = 1;
1658                                 }
1659 #endif
1660                         } else {
1661                                 win->area[i].state = 0;
1662 #if defined(CONFIG_ROCKCHIP_IOMMU)
1663                                 if (dev_drv->iommu_enabled) {
1664                                         g_now_config_addr[win->id][i] = 0;
1665                                         g_now_config_state[win->id][i] = 0;
1666                                 }
1667 #endif
1668                         }
1669                 }
1670         }
1671 }
1672
1673 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1674                                                      *regs, int win_id)
1675 {
1676         int i;
1677         struct rk_fb_reg_win_data *win_data = NULL;
1678         for (i = 0; i < regs->win_num; i++) {
1679                 if (regs->reg_win_data[i].win_id == win_id) {
1680                         win_data = &(regs->reg_win_data[i]);
1681                         break;
1682                 }
1683         }
1684
1685         return win_data;
1686 }
1687
1688 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1689                              struct rk_fb_reg_data *regs,
1690                              int count)
1691 {
1692         int i, j, wait_for_vsync = false;
1693         unsigned int dsp_addr[5][4];
1694         int win_status = 0;
1695
1696         if (dev_drv->ops->get_dsp_addr)
1697                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1698
1699         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1700                 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1701                         if ((j > 0) && (dev_drv->area_support[i] == 1)) {
1702                                 continue;
1703                         }
1704                         if (dev_drv->win[i]->area[j].state == 1) {
1705                                 u32 new_start =
1706                                         dev_drv->win[i]->area[j].smem_start +
1707                                         dev_drv->win[i]->area[j].y_offset;
1708                                 u32 reg_start = dsp_addr[i][j];
1709                                 if (unlikely(new_start != reg_start)) {
1710                                         wait_for_vsync = true;
1711                                         dev_info(dev_drv->dev,
1712                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1713                                                  i, new_start, reg_start, 101 - count);
1714                                         break;
1715                                 }
1716                         } else if (dev_drv->win[i]->area[j].state == 0) {
1717                                 if (dev_drv->ops->get_win_state) {
1718                                         win_status =
1719                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1720                                         if (win_status)
1721                                                 wait_for_vsync = true;
1722                                 }
1723                         } else {
1724                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1725                                        i, dev_drv->win[i]->state);
1726                         }
1727                 }
1728         }
1729
1730         return wait_for_vsync;
1731 }
1732
1733 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1734 {
1735         int i, j, state, page_fault = 0;
1736         unsigned int dsp_addr[5][4];
1737
1738         if (dev_drv->ops->extern_func) {
1739                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1740                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1741         }
1742         if (page_fault) {
1743                 pr_info("last config:\n");
1744                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1745                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1746                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1747                                         continue;
1748                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1749                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1750                         }
1751                 }
1752
1753                 pr_info("last freed buffer:\n");
1754                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1755                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1756
1757                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1758                 pr_info("vop now state:\n");
1759                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1760                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1761                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1762                                         continue;
1763                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1764                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1765                                         i, j, state, dsp_addr[i][j]);
1766                     }
1767                 }
1768                 pr_info("now config:\n");
1769                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1770                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1771                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1772                                         continue;
1773                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1774                                         i, j, g_now_config_state[i][j],
1775                                         g_now_config_addr[i][j]);
1776                         }
1777                 }
1778                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1779                         rk_fb_config_debug(dev_drv, &(dev_drv->tmp_win_cfg[i]),
1780                                            &(dev_drv->tmp_regs[i]), 0);
1781         }
1782
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                         g_last_addr[i][j] = g_now_config_addr[i][j];
1788                         g_last_state[i][j] = g_now_config_state[i][j];
1789                 }
1790         }
1791
1792         return page_fault;
1793 }
1794 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1795                              struct rk_fb_reg_data *regs)
1796 {
1797         int i, j;
1798         struct rk_lcdc_win *win;
1799         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1800         struct rk_fb_reg_win_data *win_data;
1801         bool wait_for_vsync;
1802         int count = 100;
1803         long timeout;
1804         int pagefault = 0;
1805         /* acq_fence wait */
1806         for (i = 0; i < regs->win_num; i++) {
1807                 win_data = &regs->reg_win_data[i];
1808                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1809                         if (win_data->reg_area_data[j].acq_fence) {
1810                                 /* printk("acq_fence wait!!!!!\n"); */
1811                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1812                         }
1813                 }
1814         }
1815
1816         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1817                 win = dev_drv->win[i];
1818                 win_data = rk_fb_get_win_data(regs, i);
1819                 if (win_data) {
1820                         mutex_lock(&dev_drv->win_config);
1821                         rk_fb_update_win(dev_drv, win, win_data);
1822                         win->state = 1;
1823                         dev_drv->ops->set_par(dev_drv, i);
1824                         dev_drv->ops->pan_display(dev_drv, i);
1825                         mutex_unlock(&dev_drv->win_config);
1826                 } else {
1827                         win->z_order = -1;
1828                         win->state = 0;
1829                         for (j = 0; j < 4; j++)
1830                                 win->area[j].state = 0;
1831 #if defined(CONFIG_ROCKCHIP_IOMMU)
1832                         if (dev_drv->iommu_enabled) {
1833                                 for (j = 0; j < 4; j++) {
1834                                         g_now_config_addr[i][j] = 0;
1835                                         g_now_config_state[i][j] = 0;
1836                                 }
1837                         }
1838 #endif
1839                 }
1840         }
1841         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1842
1843         if (rk_fb_iommu_debug > 0) {
1844                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1845         }
1846
1847         if (pagefault == 0) {
1848                 dev_drv->ops->cfg_done(dev_drv);
1849         } else {
1850                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1851         }
1852
1853         do {
1854                 timestamp = dev_drv->vsync_info.timestamp;
1855                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1856                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1857                                 msecs_to_jiffies(50));
1858
1859                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1860         } while (wait_for_vsync && count--);
1861 #ifdef H_USE_FENCE
1862         sw_sync_timeline_inc(dev_drv->timeline, 1);
1863 #endif
1864
1865         if (dev_drv->front_regs) {
1866 #if defined(CONFIG_ROCKCHIP_IOMMU)
1867                 if (dev_drv->iommu_enabled) {
1868                         if (dev_drv->ops->mmu_en)
1869                                 dev_drv->ops->mmu_en(dev_drv);
1870                         freed_index = 0;
1871                         g_last_timeout = timeout;
1872                 }
1873 #endif
1874
1875                 mutex_lock(&dev_drv->front_lock);
1876
1877                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1878                         win_data = &dev_drv->front_regs->reg_win_data[i];
1879                         rk_fb_free_dma_buf(dev_drv, win_data);
1880                 }
1881                 kfree(dev_drv->front_regs);
1882
1883                 mutex_unlock(&dev_drv->front_lock);
1884
1885 #if defined(CONFIG_ROCKCHIP_IOMMU)
1886                 if (dev_drv->iommu_enabled)
1887                         freed_addr[freed_index] = 0xfefefefe;
1888 #endif
1889         }
1890
1891         mutex_lock(&dev_drv->front_lock);
1892
1893         dev_drv->front_regs = regs;
1894
1895         mutex_unlock(&dev_drv->front_lock);
1896
1897         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1898 }
1899
1900 static void rk_fb_update_regs_handler(struct kthread_work *work)
1901 {
1902         struct rk_lcdc_driver *dev_drv =
1903             container_of(work, struct rk_lcdc_driver, update_regs_work);
1904         struct rk_fb_reg_data *data, *next;
1905
1906         mutex_lock(&dev_drv->update_regs_list_lock);
1907         dev_drv->saved_list = dev_drv->update_regs_list;
1908         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1909         mutex_unlock(&dev_drv->update_regs_list_lock);
1910
1911         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1912                 rk_fb_update_reg(dev_drv, data);
1913                 list_del(&data->list);
1914         }
1915
1916         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1917                 wake_up(&dev_drv->update_regs_wait);
1918 }
1919
1920 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1921                                   struct rk_screen *screen)
1922 {
1923         if (area_par->phy_addr > 0)
1924                 pr_err("%s[%d], phy_addr = 0x%x\n",
1925                        __func__, __LINE__, area_par->phy_addr);
1926         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1927             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1928             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1929                 pr_err("check config var fail 0:\n"
1930                        "x_offset=%d,xact=%d,xvir=%d\n",
1931                        area_par->x_offset, area_par->xact, area_par->xvir);
1932                 return -EINVAL;
1933         }
1934
1935         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1936             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1937             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1938                 pr_warn("check config var fail 1:\n"
1939                        "xpos=%d,xsize=%d,xres=%d\n"
1940                        "ypos=%d,ysize=%d,yres=%d\n",
1941                        area_par->xpos, area_par->xsize, screen->mode.xres,
1942                        area_par->ypos, area_par->ysize, screen->mode.yres);
1943                 return -EINVAL;
1944         }
1945         return 0;
1946 }
1947
1948 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1949                               struct rk_fb_win_cfg_data *win_data,
1950                               struct rk_fb_reg_data *regs, u32 cmd)
1951 {
1952         int i, j;
1953         struct rk_fb_win_par *win_par;
1954         struct rk_fb_area_par *area_par;
1955         struct rk_fb_reg_win_data *reg_win_data;
1956         struct rk_fb_reg_area_data *area_data;
1957
1958         fb_dbg(cmd, "-------------frame start-------------\n");
1959         fb_dbg(cmd, "user config:\n");
1960         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1961                 win_par = &(win_data->win_par[i]);
1962                 if ((win_par->area_par[0].ion_fd <= 0) &&
1963                     (win_par->area_par[0].phy_addr <= 0))
1964                         continue;
1965                 fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1966                        win_par->win_id, win_par->z_order,
1967                        win_par->g_alpha_val);
1968                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1969                         area_par = &(win_par->area_par[j]);
1970                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1971                             ((win_par->area_par[j].ion_fd <= 0) &&
1972                              (win_par->area_par[j].phy_addr <= 0)))
1973                                 continue;
1974                         fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1975                                j, area_par->data_format, area_par->ion_fd,
1976                                area_par->phy_addr, area_par->x_offset,
1977                                area_par->y_offset);
1978                         fb_dbg(cmd, "      xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1979                                area_par->xpos, area_par->ypos,
1980                                area_par->xsize, area_par->ysize);
1981                         fb_dbg(cmd, "      xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1982                                area_par->xact, area_par->yact,
1983                                area_par->xvir, area_par->yvir);
1984                 }
1985         }
1986
1987         fb_dbg(cmd, "regs data:\n");
1988         fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
1989                regs->win_num, regs->buf_num);
1990         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1991                 reg_win_data = &(regs->reg_win_data[i]);
1992                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
1993                         continue;
1994                 fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
1995                        reg_win_data->win_id, reg_win_data->z_order,
1996                        reg_win_data->area_num, reg_win_data->area_buf_num);
1997                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1998                         area_data = &(reg_win_data->reg_area_data[j]);
1999                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2000                             (area_data->smem_start <= 0))
2001                                 continue;
2002                         fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2003                                j, area_data->data_format, area_data->ion_handle,
2004                                area_data->smem_start, area_data->cbr_start);
2005                         fb_dbg(cmd, "      yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2006                                area_data->y_offset, area_data->c_offset,area_data->buff_len);
2007                         fb_dbg(cmd, "      xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2008                                area_data->xpos, area_data->ypos,
2009                                area_data->xsize, area_data->ysize);
2010                         fb_dbg(cmd, "      xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2011                                area_data->xact, area_data->yact,
2012                                area_data->xvir, area_data->yvir);
2013                 }
2014         }
2015         fb_dbg(cmd, "-------------frame end---------------\n");
2016
2017         return 0;
2018 }
2019 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2020                                    struct rk_fb_win_cfg_data *win_cfg,
2021                                    struct rk_fb_reg_data *regs)
2022 {
2023         int i;
2024
2025         /*2->1->0: 0 is newest*/
2026         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2027                 memcpy(&(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-1-i]),
2028                        &(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-2-i]),
2029                        sizeof(struct rk_fb_win_cfg_data));
2030                 memcpy(&(dev_drv->tmp_regs[DUMP_FRAME_NUM-1-i]),
2031                        &(dev_drv->tmp_regs[DUMP_FRAME_NUM-2-i]),
2032                        sizeof(struct rk_fb_reg_data));
2033         }
2034
2035         memcpy(&(dev_drv->tmp_win_cfg[0]), win_cfg,
2036                sizeof(struct rk_fb_win_cfg_data));
2037         memcpy(&(dev_drv->tmp_regs[0]), regs,
2038                sizeof(struct rk_fb_reg_data));
2039
2040         return 0;
2041 }
2042 static int rk_fb_set_win_buffer(struct fb_info *info,
2043                                 struct rk_fb_win_par *win_par,
2044                                 struct rk_fb_reg_win_data *reg_win_data)
2045 {
2046         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2047         struct fb_fix_screeninfo *fix = &info->fix;
2048         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2049         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2050         /*if hdmi size move to hwc,screen should point to cur_screen
2051           otherwise point to screen0[main screen]*/
2052         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2053         struct fb_info *fbi;
2054         int i, ion_fd, acq_fence_fd;
2055         u32 xvir, yvir;
2056         u32 xoffset, yoffset;
2057
2058         struct ion_handle *hdl;
2059         size_t len;
2060         int index_buf;
2061         u8 fb_data_fmt;
2062         u8 pixel_width;
2063         u32 vir_width_bit;
2064         u32 stride, uv_stride;
2065         u32 stride_32bit_1;
2066         u32 stride_32bit_2;
2067         u16 uv_x_off, uv_y_off, uv_y_act;
2068         u8 is_pic_yuv = 0;
2069         u8 ppixel_a = 0, global_a = 0;
2070         ion_phys_addr_t phy_addr;
2071         int ret = 0;
2072         int buff_len;
2073
2074         reg_win_data->reg_area_data[0].smem_start = -1;
2075         reg_win_data->area_num = 0;
2076         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2077         if (win_par->area_par[0].phy_addr == 0) {
2078                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2079                         ion_fd = win_par->area_par[i].ion_fd;
2080                         if (ion_fd > 0) {
2081                                 hdl =
2082                                     ion_import_dma_buf(rk_fb->ion_client,
2083                                                        ion_fd);
2084                                 if (IS_ERR(hdl)) {
2085                                         pr_info("%s: Could not import handle:"
2086                                                 " %ld\n", __func__, (long)hdl);
2087                                         return -EINVAL;
2088                                         break;
2089                                 }
2090                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2091 #ifndef CONFIG_ROCKCHIP_IOMMU
2092                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2093                                                 &len);
2094 #else
2095                                 if (dev_drv->iommu_enabled)
2096                                         ret = ion_map_iommu(dev_drv->dev,
2097                                                                 rk_fb->ion_client,
2098                                                                 hdl,
2099                                                                 (unsigned long *)&phy_addr,
2100                                                                 (unsigned long *)&len);
2101                                 else
2102                                         ret = ion_phys(rk_fb->ion_client, hdl,
2103                                                         &phy_addr, &len);
2104 #endif
2105                                 if (ret < 0) {
2106                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2107                                         ion_free(rk_fb->ion_client, hdl);
2108                                         return -ENOMEM;
2109                                 }
2110                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2111                                 reg_win_data->area_num++;
2112                                 reg_win_data->area_buf_num++;
2113                                 reg_win_data->reg_area_data[i].index_buf = 1;
2114                                 reg_win_data->reg_area_data[i].buff_len = len;
2115                         }
2116                 }
2117         } else {
2118                 reg_win_data->reg_area_data[0].smem_start =
2119                     win_par->area_par[0].phy_addr;
2120                 reg_win_data->area_num = 1;
2121                 reg_win_data->area_buf_num++;
2122                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2123         }
2124
2125         if (reg_win_data->area_num == 0) {
2126                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2127                         reg_win_data->reg_area_data[i].smem_start = 0;
2128                 reg_win_data->z_order = -1;
2129                 reg_win_data->win_id = -1;
2130                 return 0;
2131         }
2132
2133         for (i = 0; i < reg_win_data->area_num; i++) {
2134                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2135                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2136                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2137                         reg_win_data->reg_area_data[i].acq_fence =
2138                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2139                 }
2140         }
2141         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2142                 reg_win_data->z_order = win_par->z_order;
2143                 reg_win_data->win_id = win_par->win_id;
2144         } else {
2145                 reg_win_data->z_order = -1;
2146                 reg_win_data->win_id = -1;
2147         }
2148
2149         reg_win_data->mirror_en = win_par->mirror_en;
2150         for (i = 0; i < reg_win_data->area_num; i++) {
2151                 u8 data_format = win_par->area_par[i].data_format;
2152                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2153                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2154                 data_format &= ~CSC_MASK;
2155                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2156                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2157                 if (IS_FBDC_FMT(fb_data_fmt)) {
2158                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2159                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2160                 } else {
2161                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2162                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2163                 }
2164                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2165
2166                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2167                              (fb_data_fmt == FBDC_ARGB_888) ||
2168                              (fb_data_fmt == FBDC_ABGR_888) ||
2169                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2170                 /*act_height should be 2 pix align for interlace output*/
2171                 if (win_par->area_par[i].yact % 2 == 1) {
2172                         win_par->area_par[i].yact  -= 1;
2173                         win_par->area_par[i].ysize -= 1;
2174                 }
2175
2176                 /* buf offset should be 2 pix align*/
2177                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2178                     IS_YUV_FMT(fb_data_fmt)) {
2179                         win_par->area_par[i].x_offset += 1;
2180                         win_par->area_par[i].xact -= 1;
2181                 }
2182
2183                 /* visiable pos in panel */
2184                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2185                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2186
2187                 /* realy size in panel */
2188                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2189                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2190
2191                 /* realy size in panel */
2192                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2193                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2194
2195                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2196                 yoffset = win_par->area_par[i].y_offset;
2197                 reg_win_data->reg_area_data[i].xoff = xoffset;
2198                 reg_win_data->reg_area_data[i].yoff = yoffset;
2199
2200                 xvir = win_par->area_par[i].xvir;
2201                 reg_win_data->reg_area_data[i].xvir = xvir;
2202                 yvir = win_par->area_par[i].yvir;
2203                 reg_win_data->reg_area_data[i].yvir = yvir;
2204
2205                 vir_width_bit = pixel_width * xvir;
2206                 /* pixel_width = byte_num*8 */
2207                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2208                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2209
2210                 stride = stride_32bit_1;        /* default rgb */
2211                 fix->line_length = stride;
2212                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2213
2214                 /* x y mirror ,jump line
2215                  * reg_win_data->reg_area_data[i].y_offset =
2216                  *              yoffset*stride+xoffset*pixel_width/8;
2217                  */
2218                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2219                         if (screen->interlace == 1) {
2220                                 reg_win_data->reg_area_data[i].y_offset =
2221                                     yoffset * stride * 2 +
2222                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2223                                     xoffset * pixel_width / 8;
2224                         } else {
2225                                 reg_win_data->reg_area_data[i].y_offset =
2226                                     yoffset * stride +
2227                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2228                                     xoffset * pixel_width / 8;
2229                         }
2230                 } else {
2231                         if (screen->interlace == 1) {
2232                                 reg_win_data->reg_area_data[i].y_offset =
2233                                     yoffset * stride * 2 +
2234                                     xoffset * pixel_width / 8;
2235                         } else {
2236                                 reg_win_data->reg_area_data[i].y_offset =
2237                                     yoffset * stride +
2238                                     xoffset * pixel_width / 8;
2239                         }
2240                 }
2241                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2242                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2243                                 reg_win_data->reg_area_data[i].xvir *
2244                                 reg_win_data->reg_area_data[i].yact *
2245                                 pixel_width / 8 -
2246                                 reg_win_data->reg_area_data[i].xoff*
2247                                 pixel_width / 8;
2248                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2249                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2250                                        "yact[%d]*bpp[%d]"
2251                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2252                                        fb_data_fmt,
2253                                        reg_win_data->reg_area_data[i].xvir,
2254                                        reg_win_data->reg_area_data[i].yact,
2255                                        pixel_width, buff_len,
2256                                        reg_win_data->reg_area_data[i].buff_len);
2257                 }
2258         }
2259
2260         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2261         reg_win_data->alpha_en = ppixel_a | global_a;
2262         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2263         reg_win_data->alpha_mode = win_par->alpha_mode;
2264
2265         switch (fb_data_fmt) {
2266         case YUV422:
2267         case YUV422_A:
2268                 is_pic_yuv = 1;
2269                 stride = stride_32bit_1;
2270                 uv_stride = stride_32bit_1;
2271                 uv_x_off = xoffset;
2272                 uv_y_off = yoffset;
2273                 fix->line_length = stride;
2274                 uv_y_act = win_par->area_par[0].yact >> 1;
2275                 break;
2276         case YUV420:            /* nv12 */
2277         case YUV420_NV21:       /* nv21 */
2278         case YUV420_A:
2279                 is_pic_yuv = 1;
2280                 stride = stride_32bit_1;
2281                 uv_stride = stride_32bit_1;
2282                 uv_x_off = xoffset;
2283                 uv_y_off = yoffset >> 1;
2284                 fix->line_length = stride;
2285                 uv_y_act = win_par->area_par[0].yact >> 1;
2286                 break;
2287         case YUV444:
2288         case YUV444_A:
2289                 is_pic_yuv = 1;
2290                 stride = stride_32bit_1;
2291                 uv_stride = stride_32bit_2;
2292                 uv_x_off = xoffset * 2;
2293                 uv_y_off = yoffset;
2294                 fix->line_length = stride << 2;
2295                 uv_y_act = win_par->area_par[0].yact;
2296                 break;
2297         default:
2298                 break;
2299         }
2300         if (is_pic_yuv == 1) {
2301                 reg_win_data->reg_area_data[0].cbr_start =
2302                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2303                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2304                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2305                         if (screen->interlace == 1) {
2306                                 reg_win_data->reg_area_data[0].c_offset =
2307                                     uv_y_off * uv_stride * 2 +
2308                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2309                                     uv_x_off * pixel_width / 8;
2310                         } else {
2311                                 reg_win_data->reg_area_data[0].c_offset =
2312                                     uv_y_off * uv_stride +
2313                                     (uv_y_act - 1) * uv_stride +
2314                                     uv_x_off * pixel_width / 8;
2315                         }
2316                 } else {
2317                         if (screen->interlace == 1) {
2318                                 reg_win_data->reg_area_data[0].c_offset =
2319                                     uv_y_off * uv_stride * 2 +
2320                                     uv_x_off * pixel_width / 8;
2321                         } else {
2322                                 reg_win_data->reg_area_data[0].c_offset =
2323                                     uv_y_off * uv_stride +
2324                                     uv_x_off * pixel_width / 8;
2325                         }
2326                 }
2327                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2328                         reg_win_data->reg_area_data[0].c_offset +
2329                         reg_win_data->reg_area_data[0].xvir *
2330                         reg_win_data->reg_area_data[0].yact *
2331                         pixel_width / 16 -
2332                         reg_win_data->reg_area_data[0].smem_start -
2333                         reg_win_data->reg_area_data[0].xoff*
2334                         pixel_width / 16 ;
2335                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2336                      dev_drv->iommu_enabled)
2337                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2338                                "yact[%d]*bpp[%d]"
2339                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2340                                fb_data_fmt,
2341                                reg_win_data->reg_area_data[0].xvir,
2342                                reg_win_data->reg_area_data[0].yact,
2343                                pixel_width, buff_len,
2344                                reg_win_data->reg_area_data[0].buff_len);
2345         }
2346
2347         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2348          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2349          * delete by hjc for new hdmi overscan framework
2350          */
2351         /*info->var.yoffset = yoffset;
2352         info->var.xoffset = xoffset;*/
2353         return 0;
2354 }
2355
2356 static int rk_fb_set_win_config(struct fb_info *info,
2357                                 struct rk_fb_win_cfg_data *win_data)
2358 {
2359         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2360         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2361         struct rk_fb_reg_data *regs;
2362 #ifdef H_USE_FENCE
2363         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2364         struct sync_fence *retire_fence;
2365         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2366         struct sync_pt *retire_sync_pt;
2367         char fence_name[20];
2368 #endif
2369         int ret = 0, i, j = 0;
2370         int list_is_empty = 0;
2371         struct rk_screen *screen = dev_drv->cur_screen;
2372
2373         mutex_lock(&dev_drv->output_lock);
2374
2375         for (i = 0; i < 4; i++) {
2376                 for (j = 0; j < 4; j++) {
2377                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2378                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2379                                 ret += rk_fb_check_config_var(
2380                                         &win_data->win_par[i].area_par[j],
2381                                         screen);
2382                 }
2383         }
2384         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2385                 dev_drv->timeline_max++;
2386                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2387                 if (dev_drv->suspend_flag)
2388                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2389                 else if (dev_drv->hdmi_switch)
2390                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2391                 else
2392                         pr_err("error config ,ignore\n");
2393                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2394                         win_data->rel_fence_fd[j] = -1;
2395                 win_data->ret_fence_fd = -1;
2396                 goto err;
2397         }
2398
2399         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2400         if (!regs) {
2401                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2402                 ret = -ENOMEM;
2403                 goto err;
2404         }
2405
2406         for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2407                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2408                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2409                                                  &regs->reg_win_data[j])) {
2410                                 ret = -ENOMEM;
2411                                 pr_info("error:%s[%d]\n", __func__,__LINE__);
2412                                 goto err2;
2413                         }
2414                         if (regs->reg_win_data[j].area_num > 0) {
2415                                 regs->win_num++;
2416                                 regs->buf_num +=
2417                                     regs->reg_win_data[j].area_buf_num;
2418                         }
2419                         j++;
2420                 } else {
2421                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2422                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2423                                win_data->win_par[i].win_id);
2424                 }
2425         }
2426
2427         if (regs->win_num <= 0)
2428                 goto err_null_frame;
2429
2430         dev_drv->timeline_max++;
2431 #ifdef H_USE_FENCE
2432         win_data->ret_fence_fd = get_unused_fd();
2433         if (win_data->ret_fence_fd < 0) {
2434                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2435                 win_data->ret_fence_fd = -1;
2436                 ret = -EFAULT;
2437                 goto err2;
2438         }
2439         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2440                 if (i < regs->buf_num) {
2441                         sprintf(fence_name, "fence%d", i);
2442                         win_data->rel_fence_fd[i] = get_unused_fd();
2443                         if (win_data->rel_fence_fd[i] < 0) {
2444                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2445                                        win_data->rel_fence_fd[i]);
2446                                 ret = -EFAULT;
2447                                 goto err2;
2448                         }
2449                         release_sync_pt[i] =
2450                             sw_sync_pt_create(dev_drv->timeline,
2451                                               dev_drv->timeline_max);
2452                         release_fence[i] =
2453                             sync_fence_create(fence_name, release_sync_pt[i]);
2454                         sync_fence_install(release_fence[i],
2455                                            win_data->rel_fence_fd[i]);
2456                 } else {
2457                         win_data->rel_fence_fd[i] = -1;
2458                 }
2459         }
2460
2461         retire_sync_pt =
2462             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2463         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2464         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2465 #else
2466         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2467                 win_data->rel_fence_fd[i] = -1;
2468
2469         win_data->ret_fence_fd = -1;
2470 #endif
2471         if (dev_drv->wait_fs == 0) {
2472                 mutex_lock(&dev_drv->update_regs_list_lock);
2473                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2474                 mutex_unlock(&dev_drv->update_regs_list_lock);
2475                 queue_kthread_work(&dev_drv->update_regs_worker,
2476                                    &dev_drv->update_regs_work);
2477         } else {
2478                 mutex_lock(&dev_drv->update_regs_list_lock);
2479                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2480                                         list_empty(&dev_drv->saved_list);
2481                 mutex_unlock(&dev_drv->update_regs_list_lock);
2482                 if (!list_is_empty) {
2483                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2484                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2485                                 msecs_to_jiffies(60));
2486                         if (ret > 0)
2487                                 rk_fb_update_reg(dev_drv, regs);
2488                         else
2489                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2490                 } else if (ret == 0) {
2491                         rk_fb_update_reg(dev_drv, regs);
2492                 }
2493         }
2494         if (rk_fb_debug_lvl > 0)
2495                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2496         if (rk_fb_iommu_debug > 0)
2497                 rk_fb_config_backup(dev_drv, win_data, regs);
2498 err:
2499         mutex_unlock(&dev_drv->output_lock);
2500         return ret;
2501 err_null_frame:
2502         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2503                 win_data->rel_fence_fd[j] = -1;
2504         win_data->ret_fence_fd = -1;
2505         pr_info("win num = %d,null frame\n", regs->win_num);
2506 err2:
2507         kfree(regs);
2508         mutex_unlock(&dev_drv->output_lock);
2509
2510         return ret;
2511 }
2512
2513 #if 1
2514 static int cfgdone_distlist[10] = { 0 };
2515
2516 static int cfgdone_index;
2517 static int cfgdone_lasttime;
2518
2519 int rk_get_real_fps(int before)
2520 {
2521         struct timespec now;
2522         int dist_curr;
2523         int dist_total = 0;
2524         int dist_count = 0;
2525         int dist_first = 0;
2526
2527         int index = cfgdone_index;
2528         int i = 0, fps = 0;
2529         int total;
2530
2531         if (before > 100)
2532                 before = 100;
2533         if (before < 0)
2534                 before = 0;
2535
2536         getnstimeofday(&now);
2537         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2538                         cfgdone_lasttime;
2539         total = dist_curr;
2540         /*
2541            printk("fps: ");
2542          */
2543         for (i = 0; i < 10; i++) {
2544                 if (--index < 0)
2545                         index = 9;
2546                 total += cfgdone_distlist[index];
2547                 if (i == 0)
2548                         dist_first = cfgdone_distlist[index];
2549                 if (total < (before * 1000)) {
2550                         /*
2551                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2552                          */
2553                         dist_total += cfgdone_distlist[index];
2554                         dist_count++;
2555                 } else {
2556                         break;
2557                 }
2558         }
2559
2560         /*
2561            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2562          */
2563         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2564         dist_total += dist_curr;
2565         dist_count++;
2566
2567         if (dist_total > 0)
2568                 fps = (1000000 * dist_count) / dist_total;
2569         else
2570                 fps = 60;
2571
2572         /*
2573            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2574          */
2575         return fps;
2576 }
2577 EXPORT_SYMBOL(rk_get_real_fps);
2578
2579 #endif
2580 #ifdef CONFIG_ROCKCHIP_IOMMU
2581 #define ION_MAX 10
2582 static struct ion_handle *ion_hanle[ION_MAX];
2583 static struct ion_handle *ion_hwc[1];
2584 #endif
2585 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2586                        unsigned long arg)
2587 {
2588         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2589         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2590         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2591         struct fb_fix_screeninfo *fix = &info->fix;
2592         struct rk_lcdc_win *win;
2593         int enable;     /* enable fb:1 enable;0 disable */
2594         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2595         int num_buf;    /* buffer_number */
2596         int ret = 0;
2597         struct rk_fb_win_cfg_data win_data;
2598         unsigned int dsp_addr[4][4];
2599         int list_stat;
2600
2601         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2602
2603         void __user *argp = (void __user *)arg;
2604         win = dev_drv->win[win_id];
2605
2606         switch (cmd) {
2607         case RK_FBIOSET_HWC_ADDR:
2608         {
2609                 u32 hwc_phy[1];
2610                 if (copy_from_user(hwc_phy, argp, 4))
2611                         return -EFAULT;
2612 #ifdef CONFIG_ROCKCHIP_IOMMU
2613                 if (!dev_drv->iommu_enabled) {
2614 #endif
2615                         fix->smem_start = hwc_phy[0];
2616 #ifdef CONFIG_ROCKCHIP_IOMMU
2617                 } else {
2618                         int usr_fd;
2619                         struct ion_handle *hdl;
2620                         ion_phys_addr_t phy_addr;
2621                         size_t len;
2622
2623                         usr_fd = hwc_phy[0];
2624                         if (!usr_fd) {
2625                                 fix->smem_start = 0;
2626                                 fix->mmio_start = 0;
2627                                 dev_drv->ops->open(dev_drv, win_id, 0);
2628                                 break;
2629                         }
2630
2631                         if (ion_hwc[0] != 0) {
2632                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2633                                 ion_hwc[0] = 0;
2634                         }
2635
2636                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2637                         if (IS_ERR(hdl)) {
2638                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2639                                         PTR_ERR(hdl));
2640                                 return -EFAULT;
2641                         }
2642
2643                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2644                                                 (unsigned long *)&phy_addr,
2645                                                 (unsigned long *)&len);
2646                         if (ret < 0) {
2647                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2648                                 ion_free(rk_fb->ion_client, hdl);
2649                                 return -ENOMEM;
2650                         }
2651                         fix->smem_start = phy_addr;
2652                         ion_hwc[0] = hdl;
2653                 }
2654 #endif
2655                 break;
2656         }
2657         case RK_FBIOSET_YUV_ADDR:
2658                 {
2659                         u32 yuv_phy[2];
2660
2661                         if (copy_from_user(yuv_phy, argp, 8))
2662                                 return -EFAULT;
2663                         #ifdef CONFIG_ROCKCHIP_IOMMU
2664                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2665                         #endif
2666                                 fix->smem_start = yuv_phy[0];
2667                                 fix->mmio_start = yuv_phy[1];
2668                         #ifdef CONFIG_ROCKCHIP_IOMMU
2669                         } else {
2670                                 int usr_fd, offset, tmp;
2671                                 struct ion_handle *hdl;
2672                                 ion_phys_addr_t phy_addr;
2673                                 size_t len;
2674
2675                                 usr_fd = yuv_phy[0];
2676                                 offset = yuv_phy[1] - yuv_phy[0];
2677                                 if (!usr_fd) {
2678                                         fix->smem_start = 0;
2679                                         fix->mmio_start = 0;
2680                                         break;
2681                                 }
2682
2683                                 if (ion_hanle[ION_MAX - 1] != 0) {
2684                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2685                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2686                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2687                                         ion_hanle[ION_MAX - 1] = 0;
2688                                 }
2689
2690                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2691                                 if (IS_ERR(hdl)) {
2692                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2693                                                 PTR_ERR(hdl));
2694                                         return -EFAULT;
2695                                 }
2696
2697                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2698                                                         (unsigned long *)&phy_addr,
2699                                                         (unsigned long *)&len);
2700                                 if (ret < 0) {
2701                                         dev_err(info->dev, "ion map to get phy addr failed");
2702                                         ion_free(rk_fb->ion_client, hdl);
2703                                         return -ENOMEM;
2704                                 }
2705                                 fix->smem_start = phy_addr;
2706                                 fix->mmio_start = phy_addr + offset;
2707                                 fix->smem_len = len;
2708                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2709
2710                                 ion_hanle[0] = hdl;
2711                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2712                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2713                                 ion_hanle[0] = 0;
2714                         }
2715                         #endif
2716                         break;
2717                 }
2718         case RK_FBIOSET_ENABLE:
2719                 if (copy_from_user(&enable, argp, sizeof(enable)))
2720                         return -EFAULT;
2721                                 if (enable && fb_par->state)
2722                                         fb_par->state++;
2723                                 else
2724                                         fb_par->state--;
2725                 dev_drv->ops->open(dev_drv, win_id, enable);
2726                 break;
2727         case RK_FBIOGET_ENABLE:
2728                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2729                 if (copy_to_user(argp, &enable, sizeof(enable)))
2730                         return -EFAULT;
2731                 break;
2732         case RK_FBIOSET_OVERLAY_STA:
2733                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2734                         return -EFAULT;
2735                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2736                 break;
2737         case RK_FBIOGET_OVERLAY_STA:
2738                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2739                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2740                         return -EFAULT;
2741                 break;
2742         case RK_FBIOPUT_NUM_BUFFERS:
2743                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2744                         return -EFAULT;
2745                 dev_drv->num_buf = num_buf;
2746                 break;
2747         case RK_FBIOSET_VSYNC_ENABLE:
2748                 if (copy_from_user(&enable, argp, sizeof(enable)))
2749                         return -EFAULT;
2750                 dev_drv->vsync_info.active = enable;
2751                 break;
2752
2753         case RK_FBIOGET_DSP_ADDR:
2754                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2755                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2756                         return -EFAULT;
2757                 break;
2758         case RK_FBIOGET_LIST_STA:
2759                 list_stat = rk_fb_get_list_stat(dev_drv);
2760                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2761                         return -EFAULT;
2762
2763                 break;
2764         case RK_FBIOGET_IOMMU_STA:
2765                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2766                                  sizeof(dev_drv->iommu_enabled)))
2767                         return -EFAULT;
2768                 break;
2769 #if defined(CONFIG_ION_ROCKCHIP)
2770         case RK_FBIOSET_DMABUF_FD:
2771                 {
2772                         int usr_fd;
2773                         struct ion_handle *hdl;
2774                         ion_phys_addr_t phy_addr;
2775                         size_t len;
2776                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2777                                 return -EFAULT;
2778                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2779                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2780                         fix->smem_start = phy_addr;
2781                         break;
2782                 }
2783         case RK_FBIOGET_DMABUF_FD:
2784                 {
2785                         int fd = -1;
2786
2787                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2788                                 dev_err(info->dev,
2789                                         "get dma_buf fd failed,ion handle is err\n");
2790                                 return PTR_ERR(fb_par->ion_hdl);
2791                         }
2792                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2793                                                   fb_par->ion_hdl);
2794                         if (fd < 0) {
2795                                 dev_err(info->dev,
2796                                         "ion_share_dma_buf_fd failed\n");
2797                                 return fd;
2798                         }
2799                         if (copy_to_user(argp, &fd, sizeof(fd)))
2800                                 return -EFAULT;
2801                         break;
2802                 }
2803 #endif
2804         case RK_FBIOSET_CLEAR_FB:
2805                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2806                 break;
2807         case RK_FBIOSET_CONFIG_DONE:
2808                 {
2809                         int curr = 0;
2810                         struct timespec now;
2811
2812                         getnstimeofday(&now);
2813                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2814                         cfgdone_distlist[cfgdone_index++] =
2815                             curr - cfgdone_lasttime;
2816                         /*
2817                            printk("%d ", curr - cfgdone_lasttime);
2818                          */
2819                         cfgdone_lasttime = curr;
2820                         if (cfgdone_index >= 10)
2821                                 cfgdone_index = 0;
2822                 }
2823                 if (copy_from_user(&win_data,
2824                                    (struct rk_fb_win_cfg_data __user *)argp,
2825                                    sizeof(win_data))) {
2826                         ret = -EFAULT;
2827                         break;
2828                 };
2829
2830                 dev_drv->wait_fs = win_data.wait_fs;
2831                 ret = rk_fb_set_win_config(info, &win_data);
2832
2833                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2834                                  &win_data, sizeof(win_data))) {
2835                         ret = -EFAULT;
2836                         break;
2837                 }
2838                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2839
2840                 if (dev_drv->uboot_logo)
2841                         dev_drv->uboot_logo = 0;
2842
2843                 break;
2844         default:
2845                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2846                 break;
2847         }
2848
2849         return ret;
2850 }
2851
2852 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2853 {
2854         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2855         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2856         struct fb_fix_screeninfo *fix = &info->fix;
2857         int win_id;
2858 #if defined(CONFIG_RK_HDMI)
2859         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2860 #endif
2861
2862         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2863         if (win_id < 0)
2864                 return -ENODEV;
2865         mutex_lock(&dev_drv->switch_screen);
2866 #if defined(CONFIG_RK_HDMI)
2867         if ((rk_fb->disp_mode == ONE_DUAL) &&
2868             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2869                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2870         } else
2871 #endif
2872         {
2873                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2874         }
2875         mutex_unlock(&dev_drv->switch_screen);
2876         return 0;
2877 }
2878
2879 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2880 {
2881         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2882             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2883             ((16 != var->bits_per_pixel) &&
2884             (32 != var->bits_per_pixel) &&
2885             (24 != var->bits_per_pixel))) {
2886                 dev_err(info->dev, "%s check var fail 1:\n"
2887                         "xres_vir:%d>>yres_vir:%d\n"
2888                         "xres:%d>>yres:%d\n"
2889                         "bits_per_pixel:%d\n",
2890                         info->fix.id,
2891                         var->xres_virtual,
2892                         var->yres_virtual,
2893                         var->xres, var->yres, var->bits_per_pixel);
2894                 return -EINVAL;
2895         }
2896
2897         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2898             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2899                 dev_err(info->dev, "%s check_var fail 2:\n"
2900                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2901                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2902                         info->fix.id,
2903                         var->xoffset,
2904                         var->xres,
2905                         var->xres_virtual,
2906                         var->yoffset, var->yres, var->yres_virtual);
2907                 return -EINVAL;
2908         }
2909
2910         return 0;
2911 }
2912
2913 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2914                           size_t count, loff_t *ppos)
2915 {
2916         unsigned long p = *ppos;
2917         u8 *buffer, *dst;
2918         u8 __iomem *src;
2919         int c, cnt = 0, err = 0;
2920         unsigned long total_size;
2921         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2922         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2923         struct rk_lcdc_win *win = NULL;
2924         int win_id = 0;
2925
2926         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2927         if (win_id < 0)
2928                 return -ENODEV;
2929         else
2930                 win = dev_drv->win[win_id];
2931
2932         /* only read the current frame buffer */
2933         if (win->area[0].format == RGB565) {
2934                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2935         } else if ((win->area[0].format == YUV420) ||
2936                    (win->area[0].format == YUV420_NV21)) {
2937                 total_size =
2938                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2939         } else {
2940                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2941         }
2942         if (p >= total_size)
2943                 return 0;
2944
2945         if (count >= total_size)
2946                 count = total_size;
2947
2948         if (count + p > total_size)
2949                 count = total_size - p;
2950
2951         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2952         if (!buffer)
2953                 return -ENOMEM;
2954
2955         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2956
2957         while (count) {
2958                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2959                 dst = buffer;
2960                 fb_memcpy_fromfb(dst, src, c);
2961                 dst += c;
2962                 src += c;
2963
2964                 if (copy_to_user(buf, buffer, c)) {
2965                         err = -EFAULT;
2966                         break;
2967                 }
2968                 *ppos += c;
2969                 buf += c;
2970                 cnt += c;
2971                 count -= c;
2972         }
2973
2974         kfree(buffer);
2975
2976         return (err) ? err : cnt;
2977 }
2978
2979 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2980                            size_t count, loff_t *ppos)
2981 {
2982         unsigned long p = *ppos;
2983         u8 *buffer, *src;
2984         u8 __iomem *dst;
2985         int c, cnt = 0, err = 0;
2986         unsigned long total_size;
2987         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2988         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2989         struct rk_lcdc_win *win = NULL;
2990         int win_id = 0;
2991
2992         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2993         if (win_id < 0)
2994                 return -ENODEV;
2995         else
2996                 win = dev_drv->win[win_id];
2997
2998         /* write the current frame buffer */
2999         if (win->area[0].format == RGB565)
3000                 total_size = win->area[0].xact * win->area[0].yact << 1;
3001         else
3002                 total_size = win->area[0].xact * win->area[0].yact << 2;
3003
3004         if (p > total_size)
3005                 return -EFBIG;
3006
3007         if (count > total_size) {
3008                 err = -EFBIG;
3009                 count = total_size;
3010         }
3011
3012         if (count + p > total_size) {
3013                 if (!err)
3014                         err = -ENOSPC;
3015
3016                 count = total_size - p;
3017         }
3018
3019         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3020         if (!buffer)
3021                 return -ENOMEM;
3022
3023         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3024
3025         while (count) {
3026                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3027                 src = buffer;
3028
3029                 if (copy_from_user(src, buf, c)) {
3030                         err = -EFAULT;
3031                         break;
3032                 }
3033
3034                 fb_memcpy_tofb(dst, src, c);
3035                 dst += c;
3036                 src += c;
3037                 *ppos += c;
3038                 buf += c;
3039                 cnt += c;
3040                 count -= c;
3041         }
3042
3043         kfree(buffer);
3044
3045         return (cnt) ? cnt : err;
3046 }
3047
3048 static int rk_fb_set_par(struct fb_info *info)
3049 {
3050         struct fb_var_screeninfo *var = &info->var;
3051         struct fb_fix_screeninfo *fix = &info->fix;
3052         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3053         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3054         struct rk_lcdc_win *win = NULL;
3055         struct rk_screen *screen = dev_drv->cur_screen;
3056         int win_id = 0;
3057         u32 cblen = 0, crlen = 0;
3058         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3059         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3060         u32 yoffset = var->yoffset;
3061         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3062         u16 ypos = (var->nonstd >> 20) & 0xfff;
3063         u32 xvir = var->xres_virtual;
3064         u32 yvir = var->yres_virtual;
3065         u8 data_format = var->nonstd & 0xff;
3066         u8 fb_data_fmt;
3067         u8 pixel_width;
3068         u32 vir_width_bit;
3069         u32 stride, uv_stride;
3070         u32 stride_32bit_1;
3071         u32 stride_32bit_2;
3072         u16 uv_x_off, uv_y_off, uv_y_act;
3073         u8 is_pic_yuv = 0;
3074         /*var->pixclock = dev_drv->pixclock;*/
3075         if (dev_drv->suspend_flag)
3076                 return 0;
3077         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3078         if (win_id < 0)
3079                 return -ENODEV;
3080         else
3081                 win = dev_drv->win[win_id];
3082
3083         /* if the application has specific the horizontal and vertical display size */
3084         if (var->grayscale >> 8) {
3085                 xsize = (var->grayscale >> 8) & 0xfff;
3086                 ysize = (var->grayscale >> 20) & 0xfff;
3087                 if (xsize > screen->mode.xres)
3088                         xsize = screen->mode.xres;
3089                 if (ysize > screen->mode.yres)
3090                         ysize = screen->mode.yres;
3091         } else {                /*ohterwise  full  screen display */
3092                 xsize = screen->mode.xres;
3093                 ysize = screen->mode.yres;
3094         }
3095
3096         win->colorspace = CSC_FORMAT(data_format);
3097         data_format &= ~CSC_MASK;
3098         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3099         if (IS_FBDC_FMT(fb_data_fmt)) {
3100                 win->area[0].fbdc_en = 1;
3101                 win->area[0].fbdc_cor_en = 1;
3102         } else {
3103                 win->area[0].fbdc_en = 0;
3104                 win->area[0].fbdc_cor_en = 0;
3105         }
3106         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3107         vir_width_bit = pixel_width * xvir;
3108         /* pixel_width = byte_num * 8 */
3109         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3110         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3111
3112         switch (fb_data_fmt) {
3113         case YUV422:
3114         case YUV422_A:
3115                 is_pic_yuv = 1;
3116                 stride = stride_32bit_1;
3117                 uv_stride = stride_32bit_1;
3118                 uv_x_off = xoffset;
3119                 uv_y_off = yoffset;
3120                 fix->line_length = stride;
3121                 cblen = crlen = (xvir * yvir) >> 1;
3122                 uv_y_act = win->area[0].yact >> 1;
3123                 break;
3124         case YUV420:            /* nv12 */
3125         case YUV420_NV21:       /* nv21 */
3126         case YUV420_A:
3127                 is_pic_yuv = 1;
3128                 stride = stride_32bit_1;
3129                 uv_stride = stride_32bit_1;
3130                 uv_x_off = xoffset;
3131                 uv_y_off = yoffset >> 1;
3132                 fix->line_length = stride;
3133                 cblen = crlen = (xvir * yvir) >> 2;
3134                 uv_y_act = win->area[0].yact >> 1;
3135                 break;
3136         case YUV444:
3137         case YUV444_A:
3138                 is_pic_yuv = 1;
3139                 stride = stride_32bit_1;
3140                 uv_stride = stride_32bit_2;
3141                 uv_x_off = xoffset * 2;
3142                 uv_y_off = yoffset;
3143                 fix->line_length = stride << 2;
3144                 cblen = crlen = (xvir * yvir);
3145                 uv_y_act = win->area[0].yact;
3146                 break;
3147         default:
3148                 stride = stride_32bit_1;        /* default rgb */
3149                 fix->line_length = stride;
3150                 break;
3151         }
3152
3153         win->area[0].format = fb_data_fmt;
3154         win->area[0].y_vir_stride = stride >> 2;
3155         win->area[0].uv_vir_stride = uv_stride >> 2;
3156         win->area[0].xpos = xpos;
3157         win->area[0].ypos = ypos;
3158         win->area[0].xsize = xsize;
3159         win->area[0].ysize = ysize;
3160         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3161         win->area[0].yact = var->yres;
3162         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3163         win->area[0].yvir = var->yres_virtual;
3164         win->area[0].xoff = xoffset;
3165         win->area[0].yoff = yoffset;
3166
3167         win->area_num = 1;
3168         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3169         win->alpha_en = ((win->area[0].format == ARGB888) ||
3170                          (win->area[0].format == FBDC_ARGB_888) ||
3171                          (win->area[0].format == FBDC_ABGR_888) ||
3172                          (win->area[0].format == ABGR888)) ? 1 : 0;
3173         win->g_alpha_val = 0;
3174
3175         dev_drv->ops->set_par(dev_drv, win_id);
3176
3177         return 0;
3178 }
3179
3180 static inline unsigned int chan_to_field(unsigned int chan,
3181                                          struct fb_bitfield *bf)
3182 {
3183         chan &= 0xffff;
3184         chan >>= 16 - bf->length;
3185         return chan << bf->offset;
3186 }
3187
3188 static int fb_setcolreg(unsigned regno,
3189                         unsigned red, unsigned green, unsigned blue,
3190                         unsigned transp, struct fb_info *info)
3191 {
3192         unsigned int val;
3193
3194         switch (info->fix.visual) {
3195         case FB_VISUAL_TRUECOLOR:
3196                 /* true-colour, use pseudo-palette */
3197                 if (regno < 16) {
3198                         u32 *pal = info->pseudo_palette;
3199                         val = chan_to_field(red, &info->var.red);
3200                         val |= chan_to_field(green, &info->var.green);
3201                         val |= chan_to_field(blue, &info->var.blue);
3202                         pal[regno] = val;
3203                 }
3204                 break;
3205         default:
3206                 return -1;      /* unknown type */
3207         }
3208
3209         return 0;
3210 }
3211
3212 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3213 {
3214         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3215         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3216         struct ion_handle *handle = fb_par->ion_hdl;
3217         struct dma_buf *dma_buf = NULL;
3218
3219         if (IS_ERR_OR_NULL(handle)) {
3220                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3221                         PTR_ERR(handle));
3222                 return -ENOMEM;
3223         }
3224         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3225         if (IS_ERR_OR_NULL(dma_buf)) {
3226                 printk("get ion share dma buf failed\n");
3227                 return -ENOMEM;
3228         }
3229
3230         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3231
3232         return dma_buf_mmap(dma_buf, vma, 0);
3233 }
3234
3235 static struct fb_ops fb_ops = {
3236         .owner = THIS_MODULE,
3237         .fb_open = rk_fb_open,
3238         .fb_release = rk_fb_close,
3239         .fb_check_var = rk_fb_check_var,
3240         .fb_set_par = rk_fb_set_par,
3241         .fb_blank = rk_fb_blank,
3242         .fb_ioctl = rk_fb_ioctl,
3243         .fb_compat_ioctl = rk_fb_ioctl,
3244         .fb_pan_display = rk_fb_pan_display,
3245         .fb_read = rk_fb_read,
3246         .fb_write = rk_fb_write,
3247         .fb_setcolreg = fb_setcolreg,
3248         .fb_fillrect = cfb_fillrect,
3249         .fb_copyarea = cfb_copyarea,
3250         .fb_imageblit = cfb_imageblit,
3251 };
3252
3253 static struct fb_var_screeninfo def_var = {
3254 #if defined(CONFIG_LOGO_LINUX_BMP)
3255         .red = {16, 8, 0},
3256         .green = {8, 8, 0},
3257         .blue = {0, 8, 0},
3258         .transp = {0, 0, 0},
3259         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3260 #else
3261         .red = {11, 5, 0},
3262         .green = {5, 6, 0},
3263         .blue = {0, 5, 0},
3264         .transp = {0, 0, 0},
3265         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3266 #endif
3267         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3268         .activate = FB_ACTIVATE_NOW,
3269         .accel_flags = 0,
3270         .vmode = FB_VMODE_NONINTERLACED,
3271 };
3272
3273 static struct fb_fix_screeninfo def_fix = {
3274         .type = FB_TYPE_PACKED_PIXELS,
3275         .type_aux = 0,
3276         .xpanstep = 1,
3277         .ypanstep = 1,
3278         .ywrapstep = 0,
3279         .accel = FB_ACCEL_NONE,
3280         .visual = FB_VISUAL_TRUECOLOR,
3281
3282 };
3283
3284 static int rk_fb_wait_for_vsync_thread(void *data)
3285 {
3286         struct rk_lcdc_driver *dev_drv = data;
3287         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3288         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3289
3290         while (!kthread_should_stop()) {
3291                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3292                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3293                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3294                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3295
3296                 if (!ret)
3297                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3298         }
3299
3300         return 0;
3301 }
3302
3303 static ssize_t rk_fb_vsync_show(struct device *dev,
3304                                 struct device_attribute *attr, char *buf)
3305 {
3306         struct fb_info *fbi = dev_get_drvdata(dev);
3307         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3308         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3309         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3310                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3311 }
3312
3313 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3314
3315 /*
3316  * this two function is for other module that in the kernel which
3317  * need show image directly through fb
3318  * fb_id:we have 4 fb here,default we use fb0 for ui display
3319  */
3320 struct fb_info *rk_get_fb(int fb_id)
3321 {
3322         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3323         struct fb_info *fb = inf->fb[fb_id];
3324         return fb;
3325 }
3326 EXPORT_SYMBOL(rk_get_fb);
3327
3328 void rk_direct_fb_show(struct fb_info *fbi)
3329 {
3330         rk_fb_set_par(fbi);
3331         rk_fb_pan_display(&fbi->var, fbi);
3332 }
3333 EXPORT_SYMBOL(rk_direct_fb_show);
3334
3335 int rk_fb_dpi_open(bool open)
3336 {
3337         struct rk_lcdc_driver *dev_drv = NULL;
3338         dev_drv = rk_get_prmry_lcdc_drv();
3339
3340         if (dev_drv->ops->dpi_open)
3341                 dev_drv->ops->dpi_open(dev_drv, open);
3342         return 0;
3343 }
3344
3345 int rk_fb_dpi_win_sel(int win_id)
3346 {
3347         struct rk_lcdc_driver *dev_drv = NULL;
3348         dev_drv = rk_get_prmry_lcdc_drv();
3349
3350         if (dev_drv->ops->dpi_win_sel)
3351                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3352         return 0;
3353 }
3354
3355 int rk_fb_dpi_status(void)
3356 {
3357         int ret = 0;
3358         struct rk_lcdc_driver *dev_drv = NULL;
3359
3360         dev_drv = rk_get_prmry_lcdc_drv();
3361         if (dev_drv->ops->dpi_status)
3362                 ret = dev_drv->ops->dpi_status(dev_drv);
3363
3364         return ret;
3365 }
3366
3367 /*
3368  * function: this function will be called by display device, enable/disable lcdc
3369  * @screen: screen timing to be set to lcdc
3370  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3371  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3372  */
3373 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3374 {
3375         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3376         struct fb_info *info = NULL;
3377         struct rk_fb_par *fb_par = NULL;
3378         struct rk_lcdc_driver *dev_drv = NULL;
3379         struct rk_lcdc_win *win;
3380         char name[6] = {0};
3381         int i, win_id;
3382         static bool load_screen = false;
3383         char *envp[4];
3384         char envplcdc[32];
3385         char envpfbdev[32];
3386         int ret, list_is_empty = 0;
3387
3388         if (unlikely(!rk_fb) || unlikely(!screen))
3389                 return -ENODEV;
3390
3391         /* get lcdc driver */
3392         sprintf(name, "lcdc%d", lcdc_id);
3393         dev_drv = rk_get_lcdc_drv(name);
3394
3395         if (dev_drv == NULL) {
3396                 printk(KERN_ERR "%s driver not found!", name);
3397                 return -ENODEV;
3398         }
3399         if (screen->type == SCREEN_HDMI)
3400                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3401                         dev_drv->id);
3402         else if (screen->type == SCREEN_TVOUT ||
3403                      screen->type == SCREEN_TVOUT_TEST )
3404                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3405                         dev_drv->id);
3406         if (enable == 2 /*&& dev_drv->enable*/)
3407                 return 0;
3408         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3409                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3410
3411         mutex_lock(&dev_drv->switch_screen);
3412         hdmi_switch_state = 0;
3413         dev_drv->hdmi_switch = 1;
3414         if (!dev_drv->uboot_logo) {
3415                 mdelay(200);
3416                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3417                                            list_empty(&dev_drv->saved_list);
3418                 if (!list_is_empty) {
3419                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3420                                                  list_empty(&dev_drv->update_regs_list) &&
3421                                                  list_empty(&dev_drv->saved_list),
3422                                                  msecs_to_jiffies(60));
3423                         if (ret <= 0)
3424                                 pr_info("%s: wait update_regs_wait timeout\n",
3425                                         __func__);
3426                 }
3427         }
3428
3429         envp[0] = "switch screen";
3430         memset(envplcdc, 0, sizeof(envplcdc));
3431         memset(envpfbdev, 0, sizeof(envpfbdev));
3432         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3433         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3434         envp[1] = envplcdc;
3435         envp[2] = envpfbdev;
3436         envp[3] = NULL;
3437
3438         if ((rk_fb->disp_mode == ONE_DUAL) ||
3439             (rk_fb->disp_mode == NO_DUAL)) {
3440                 if ((dev_drv->ops->backlight_close) &&
3441                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3442                         dev_drv->ops->backlight_close(dev_drv, 1);
3443                 if (!dev_drv->uboot_logo || load_screen ||
3444                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3445                         if (dev_drv->ops->dsp_black)
3446                                 dev_drv->ops->dsp_black(dev_drv, 0);
3447                 }
3448                 if ((dev_drv->ops->set_screen_scaler) &&
3449                     (rk_fb->disp_mode == ONE_DUAL))
3450                         dev_drv->ops->set_screen_scaler(dev_drv,
3451                                                         dev_drv->screen0, 0);
3452         }
3453         if (!enable) {
3454                 /* if screen type is different, we do not disable lcdc. */
3455                 if (dev_drv->cur_screen->type != screen->type) {
3456                         dev_drv->hdmi_switch = 0;
3457                         mutex_unlock(&dev_drv->switch_screen);
3458                         return 0;
3459                 }
3460
3461                 /* if used one lcdc to dual disp, no need to close win */
3462                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3463                     ((rk_fb->disp_mode == NO_DUAL) &&
3464                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3465                         dev_drv->cur_screen = dev_drv->screen0;
3466                         dev_drv->ops->load_screen(dev_drv, 1);
3467                         /* force modify dsp size */
3468                         info = rk_fb->fb[dev_drv->fb_index_base];
3469                         info->var.grayscale &= 0xff;
3470                         info->var.grayscale |=
3471                                 (dev_drv->cur_screen->mode.xres << 8) +
3472                                 (dev_drv->cur_screen->mode.yres << 20);
3473                         mutex_lock(&dev_drv->win_config);
3474                         info->var.xoffset = 0;
3475                         info->var.yoffset = 0;
3476                         info->fbops->fb_set_par(info);
3477                         info->fbops->fb_pan_display(&info->var, info);
3478                         mutex_unlock(&dev_drv->win_config);
3479
3480                         /*
3481                          * if currently is loader display, black until new
3482                          * display job.
3483                          */
3484                         if (dev_drv->uboot_logo) {
3485                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3486                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3487                                             dev_drv->ops->win_direct_en)
3488                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3489                                 }
3490                         }
3491
3492                         /*if (dev_drv->ops->dsp_black)
3493                                 dev_drv->ops->dsp_black(dev_drv, 0);*/
3494                         if ((dev_drv->ops->backlight_close) &&
3495                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3496                                 dev_drv->ops->backlight_close(dev_drv, 0);
3497                 } else if (rk_fb->num_lcdc > 1) {
3498                         /* If there is more than one lcdc device, we disable
3499                            the layer which attached to this device */
3500                         dev_drv->suspend_flag = 1;
3501                         flush_kthread_worker(&dev_drv->update_regs_worker);
3502                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3503                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3504                                         dev_drv->ops->open(dev_drv, i, 0);
3505                         }
3506                 }
3507                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3508
3509                 hdmi_switch_state = 0;
3510                 dev_drv->hdmi_switch = 0;
3511                 mutex_unlock(&dev_drv->switch_screen);
3512                 return 0;
3513         } else {
3514                 if (dev_drv->uboot_logo) {
3515                         if (dev_drv->cur_screen->mode.xres !=
3516                                 screen->mode.xres ||
3517                             dev_drv->cur_screen->mode.yres !=
3518                                 screen->mode.yres)
3519                                 load_screen = 1;
3520                 }
3521                 if (dev_drv->screen1)
3522                         dev_drv->cur_screen = dev_drv->screen1;
3523
3524                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3525                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3526                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3527                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3528                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3529         }
3530         if (!dev_drv->uboot_logo || load_screen ||
3531             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3532                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3533                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3534                         fb_par = (struct rk_fb_par *)info->par;
3535                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3536                         win = dev_drv->win[win_id];
3537                         if (win && fb_par->state) {
3538                                 mutex_lock(&dev_drv->win_config);
3539                                 dev_drv->ops->load_screen(dev_drv, 1);
3540                                 mutex_unlock(&dev_drv->win_config);
3541
3542                                 info->var.activate |= FB_ACTIVATE_FORCE;
3543                                 if (rk_fb->disp_mode == ONE_DUAL) {
3544                                         info->var.grayscale &= 0xff;
3545                                         info->var.grayscale |=
3546                                                 (dev_drv->cur_screen->xsize << 8) +
3547                                                 (dev_drv->cur_screen->ysize << 20);
3548                                 }
3549                                 if (dev_drv->uboot_logo && win->state) {
3550                                         if (win->area[0].xpos ||
3551                                             win->area[0].ypos) {
3552                                                 win->area[0].xpos =
3553                                                         (screen->mode.xres -
3554                                                          win->area[0].xsize)/2;
3555                                                 win->area[0].ypos =
3556                                                         (screen->mode.yres -
3557                                                          win->area[0].ysize)/2;
3558                                         } else {
3559                                                 win->area[0].xsize = screen->mode.xres;
3560                                                 win->area[0].ysize = screen->mode.yres;
3561                                         }
3562                                         dev_drv->ops->set_par(dev_drv, i);
3563                                         dev_drv->ops->cfg_done(dev_drv);
3564                                 } else if (!dev_drv->win[win_id]->state) {
3565                                         dev_drv->ops->open(dev_drv, win_id, 1);
3566                                         dev_drv->suspend_flag = 0;
3567                                         mutex_lock(&dev_drv->win_config);
3568                                         info->var.xoffset = 0;
3569                                         info->var.yoffset = 0;
3570                                         info->fbops->fb_set_par(info);
3571                                         info->fbops->fb_pan_display(&info->var, info);
3572                                         mutex_unlock(&dev_drv->win_config);
3573                                 }
3574                         }
3575                 }
3576         } else {
3577                 dev_drv->ops->load_screen(dev_drv, 0);
3578         }
3579         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3580
3581         hdmi_switch_state = 1;
3582         load_screen = true;
3583         dev_drv->hdmi_switch = 0;
3584         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3585                 if ((dev_drv->ops->set_screen_scaler) &&
3586                     (rk_fb->disp_mode == ONE_DUAL))
3587                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3588                 /*if (dev_drv->ops->dsp_black)
3589                         dev_drv->ops->dsp_black(dev_drv, 0);*/
3590                 if ((dev_drv->ops->backlight_close) &&
3591                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3592                     (rk_fb->disp_mode == ONE_DUAL))
3593                         dev_drv->ops->backlight_close(dev_drv, 0);
3594         }
3595         mutex_unlock(&dev_drv->switch_screen);
3596         return 0;
3597 }
3598
3599 /*
3600  * function:this function current only called by hdmi for
3601  *      scale the display
3602  * scale_x: scale rate of x resolution
3603  * scale_y: scale rate of y resolution
3604  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3605  */
3606 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3607 {
3608         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3609         struct fb_info *info = NULL;
3610         struct fb_info *pmy_info = NULL;
3611         struct fb_var_screeninfo *var = NULL;
3612         struct rk_lcdc_driver *dev_drv = NULL;
3613         u16 screen_x, screen_y;
3614         u16 xpos, ypos;
3615         char name[6];
3616         struct rk_screen primary_screen;
3617         rk_fb_get_prmry_screen(&primary_screen);
3618         if (primary_screen.type == SCREEN_HDMI) {
3619                 return 0;
3620         }
3621         pr_err("fuck not be hear--%s\n",__func__);
3622
3623         return 0;
3624         sprintf(name, "lcdc%d", lcdc_id);
3625
3626         if (inf->disp_mode == DUAL) {
3627                 dev_drv = rk_get_lcdc_drv(name);
3628                 if (dev_drv == NULL) {
3629                         printk(KERN_ERR "%s driver not found!", name);
3630                         return -ENODEV;
3631                 }
3632         } else {
3633                 dev_drv = inf->lcdc_dev_drv[0];
3634         }
3635
3636         if (inf->num_lcdc == 1) {
3637                 info = inf->fb[0];
3638         } else if (inf->num_lcdc == 2) {
3639                 info = inf->fb[dev_drv->lcdc_win_num];
3640                 pmy_info = inf->fb[0];
3641         }
3642
3643         var = &info->var;
3644         screen_x = dev_drv->cur_screen->mode.xres;
3645         screen_y = dev_drv->cur_screen->mode.yres;
3646
3647         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3648                 dev_drv->cur_screen->xpos =
3649                     (screen_x - screen_x * scale_x / 100) >> 1;
3650                 dev_drv->cur_screen->ypos =
3651                     (screen_y - screen_y * scale_y / 100) >> 1;
3652                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3653                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3654         } else {
3655                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3656                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3657                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3658                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3659                 if (inf->disp_mode == ONE_DUAL) {
3660                         var->nonstd &= 0xff;
3661                         var->nonstd |= (xpos << 8) + (ypos << 20);
3662                         var->grayscale &= 0xff;
3663                         var->grayscale |=
3664                                 (dev_drv->cur_screen->xsize << 8) +
3665                                 (dev_drv->cur_screen->ysize << 20);
3666                 }
3667         }
3668
3669         mutex_lock(&dev_drv->win_config);
3670         info->fbops->fb_set_par(info);
3671         dev_drv->ops->cfg_done(dev_drv);
3672         mutex_unlock(&dev_drv->win_config);
3673
3674         return 0;
3675 }
3676
3677 #if defined(CONFIG_ION_ROCKCHIP)
3678 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3679                                      struct rk_lcdc_win *win,
3680                                      unsigned long fb_mem_size)
3681 {
3682         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3683         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3684         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3685         struct ion_handle *handle;
3686         ion_phys_addr_t phy_addr;
3687         size_t len;
3688         int ret = 0;
3689
3690         if (dev_drv->iommu_enabled)
3691                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3692                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3693         else
3694                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3695                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3696         if (IS_ERR(handle)) {
3697                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3698                         PTR_ERR(handle));
3699                 return -ENOMEM;
3700         }
3701
3702         fb_par->ion_hdl = handle;
3703         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3704         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3705                 printk("ion_share_dma_buf() failed\n");
3706                 goto err_share_dma_buf;
3707         }
3708         win->area[0].ion_hdl = handle;
3709         if (dev_drv->prop == PRMRY)
3710                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3711 #ifdef CONFIG_ROCKCHIP_IOMMU
3712         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3713                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3714                                         (unsigned long *)&phy_addr,
3715                                         (unsigned long *)&len);
3716         else
3717                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3718 #else
3719         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3720 #endif
3721         if (ret < 0) {
3722                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3723                 goto err_share_dma_buf;
3724         }
3725         fbi->fix.smem_start = phy_addr;
3726         fbi->fix.smem_len = len;
3727         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3728         return 0;
3729
3730 err_share_dma_buf:
3731         ion_free(rk_fb->ion_client, handle);
3732         return -ENOMEM;
3733 }
3734 #endif
3735
3736 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3737 {
3738         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3739         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3740         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3741         struct rk_lcdc_win *win = NULL;
3742         int win_id;
3743         int ret = 0;
3744         unsigned long fb_mem_size;
3745 #if !defined(CONFIG_ION_ROCKCHIP)
3746         dma_addr_t fb_mem_phys;
3747         void *fb_mem_virt;
3748 #endif
3749         ion_phys_addr_t phy_addr;
3750         size_t len;
3751
3752         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3753         if (win_id < 0)
3754                 return -ENODEV;
3755         else
3756                 win = dev_drv->win[win_id];
3757
3758         if (!strcmp(fbi->fix.id, "fb0")) {
3759                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3760 #if defined(CONFIG_ION_ROCKCHIP)
3761                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3762                         return -ENOMEM;
3763 #else
3764                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3765                                                      &fb_mem_phys, GFP_KERNEL);
3766                 if (!fb_mem_virt) {
3767                         pr_err("%s: Failed to allocate framebuffer\n",
3768                                __func__);
3769                         return -ENOMEM;
3770                 }
3771                 fbi->fix.smem_len = fb_mem_size;
3772                 fbi->fix.smem_start = fb_mem_phys;
3773                 fbi->screen_base = fb_mem_virt;
3774 #endif
3775                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3776         } else {
3777                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3778                         struct rk_lcdc_driver *dev_drv_prmry;
3779                         int win_id_prmry;
3780                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3781 #if defined(CONFIG_ION_ROCKCHIP)
3782                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3783                         if (dev_drv_prmry == NULL)
3784                                 return -ENODEV;
3785                         win_id_prmry =
3786                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3787                                                                  fbi->fix.id);
3788                         if (win_id_prmry < 0)
3789                                 return -ENODEV;
3790                         else
3791                                 fb_par->ion_hdl =
3792                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3793                                 fbi->screen_base =
3794                                         ion_map_kernel(rk_fb->ion_client,
3795                                                        fb_par->ion_hdl);
3796                                 dev_drv->win[win_id]->area[0].ion_hdl =
3797                                         fb_par->ion_hdl;
3798         #ifdef CONFIG_ROCKCHIP_IOMMU
3799                                 if (dev_drv->mmu_dev)
3800                                         ret = ion_map_iommu(dev_drv->dev,
3801                                                             rk_fb->ion_client,
3802                                                             fb_par->ion_hdl,
3803                                                             (unsigned long *)&phy_addr,
3804                                                             (unsigned long *)&len);
3805                                 else
3806                                         ret = ion_phys(rk_fb->ion_client,
3807                                                        fb_par->ion_hdl,
3808                                                        &phy_addr, &len);
3809         #endif
3810                                 if (ret < 0) {
3811                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3812                                         return -ENOMEM;
3813                                 }
3814                                 fbi->fix.smem_start = phy_addr;
3815                                 fbi->fix.smem_len = len;
3816 #else
3817                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3818                                                              fb_mem_size,
3819                                                              &fb_mem_phys,
3820                                                              GFP_KERNEL);
3821                         if (!fb_mem_virt) {
3822                                 pr_err("%s: Failed to allocate framebuffer\n",
3823                                        __func__);
3824                                 return -ENOMEM;
3825                         }
3826                         fbi->fix.smem_len = fb_mem_size;
3827                         fbi->fix.smem_start = fb_mem_phys;
3828                         fbi->screen_base = fb_mem_virt;
3829 #endif
3830                 } else {
3831                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3832                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3833                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3834                 }
3835         }
3836
3837         fbi->screen_size = fbi->fix.smem_len;
3838         fb_par->fb_phy_base = fbi->fix.smem_start;
3839         fb_par->fb_virt_base = fbi->screen_base;
3840         fb_par->fb_size = fbi->fix.smem_len;
3841
3842         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3843                        fbi->fix.smem_start, fbi->screen_base,
3844                        fbi->fix.smem_len);
3845         return ret;
3846 }
3847
3848 #if 0
3849 static int rk_release_fb_buffer(struct fb_info *fbi)
3850 {
3851         /* buffer for fb1 and fb3 are alloc by android */
3852         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3853                 return 0;
3854         iounmap(fbi->screen_base);
3855         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3856         return 0;
3857 }
3858 #endif
3859
3860 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3861                          struct rk_lcdc_win *def_win)
3862 {
3863         int i;
3864         int lcdc_win_num = dev_drv->lcdc_win_num;
3865
3866         for (i = 0; i < lcdc_win_num; i++) {
3867                 struct rk_lcdc_win *win = NULL;
3868                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3869                 if (!win) {
3870                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3871                         return -ENOMEM;
3872                 }
3873
3874                 strcpy(win->name, def_win[i].name);
3875                 win->id = def_win[i].id;
3876                 win->support_3d = def_win[i].support_3d;
3877                 dev_drv->win[i] = win;
3878         }
3879
3880         return 0;
3881 }
3882
3883 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3884                                    struct rk_lcdc_win *def_win, int index)
3885 {
3886         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3887         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3888                                                 sizeof(struct rk_screen),
3889                                                 GFP_KERNEL);
3890         int i = 0;
3891
3892         if (!screen) {
3893                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3894                         dev_drv->id);
3895                 return -ENOMEM;
3896         }
3897
3898         screen->screen_id = 0;
3899         screen->lcdc_id = dev_drv->id;
3900         screen->overscan.left = 100;
3901         screen->overscan.top = 100;
3902         screen->overscan.right = 100;
3903         screen->overscan.bottom = 100;
3904
3905         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3906         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3907
3908         dev_drv->screen0 = screen;
3909         dev_drv->cur_screen = screen;
3910         /* devie use one lcdc + rk61x scaler for dual display */
3911         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3912                 struct rk_screen *screen1 =
3913                                 devm_kzalloc(dev_drv->dev,
3914                                              sizeof(struct rk_screen),
3915                                              GFP_KERNEL);
3916                 if (!screen1) {
3917                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3918                                 dev_drv->id);
3919                         return -ENOMEM;
3920                 }
3921                 screen1->screen_id = 1;
3922                 screen1->lcdc_id = 1;
3923                 dev_drv->screen1 = screen1;
3924         }
3925         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3926         init_lcdc_win(dev_drv, def_win);
3927         init_completion(&dev_drv->frame_done);
3928         spin_lock_init(&dev_drv->cpl_lock);
3929         mutex_init(&dev_drv->fb_win_id_mutex);
3930         mutex_init(&dev_drv->win_config);
3931         mutex_init(&dev_drv->front_lock);
3932         mutex_init(&dev_drv->switch_screen);
3933         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3934         dev_drv->first_frame = 1;
3935         dev_drv->overscan.left = 100;
3936         dev_drv->overscan.top = 100;
3937         dev_drv->overscan.right = 100;
3938         dev_drv->overscan.bottom = 100;
3939         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3940                 dev_drv->area_support[i] = 1;
3941         if (dev_drv->ops->area_support_num)
3942                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3943         rk_disp_pwr_ctr_parse_dt(dev_drv);
3944         if (dev_drv->prop == PRMRY) {
3945                 rk_fb_set_prmry_screen(screen);
3946                 rk_fb_get_prmry_screen(screen);
3947         }
3948         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3949         if (dev_drv->prop != PRMRY)
3950                 rk_fb_get_prmry_screen(screen);
3951         dev_drv->output_color = screen->color_mode;
3952
3953         return 0;
3954 }
3955
3956 #ifdef CONFIG_LOGO_LINUX_BMP
3957 static struct linux_logo *bmp_logo;
3958 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3959 {
3960         bmp_logo = fb_find_logo(24);
3961         if (bmp_logo == NULL) {
3962                 printk(KERN_INFO "%s error\n", __func__);
3963                 return 0;
3964         }
3965         return 1;
3966 }
3967
3968 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3969 {
3970         unsigned char *src = bmp_logo->data;
3971         unsigned char *dst = info->screen_base;
3972         int i;
3973         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3974         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3975
3976         for (i = 0; i < Needheight; i++)
3977                 memcpy(dst + info->var.xres * i * 4,
3978                        src + bmp_logo->width * i * 4, Needwidth * 4);
3979 }
3980 #endif
3981
3982 /*
3983  * check if the primary lcdc has registerd,
3984  * the primary lcdc mas register first
3985  */
3986 bool is_prmry_rk_lcdc_registered(void)
3987 {
3988         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3989
3990         if (rk_fb->lcdc_dev_drv[0])
3991                 return true;
3992         else
3993                 return false;
3994 }
3995
3996 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3997                    struct rk_lcdc_win *win, int id)
3998 {
3999         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4000         struct fb_info *fbi;
4001         struct rk_fb_par *fb_par = NULL;
4002         int i = 0, ret = 0, index = 0;
4003         unsigned long flags;
4004
4005         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4006                 return -ENXIO;
4007
4008         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4009                 if (!rk_fb->lcdc_dev_drv[i]) {
4010                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4011                         rk_fb->lcdc_dev_drv[i]->id = id;
4012                         rk_fb->num_lcdc++;
4013                         break;
4014                 }
4015         }
4016
4017         index = i;
4018         init_lcdc_device_driver(rk_fb, win, index);
4019         dev_drv->fb_index_base = rk_fb->num_fb;
4020         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4021                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4022                 if (!fbi) {
4023                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4024                         ret = -ENOMEM;
4025                 }
4026                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4027                                       GFP_KERNEL);
4028                 if (!fb_par) {
4029                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4030                                 rk_fb->num_fb);
4031                         return -ENOMEM;
4032                 }
4033                 fb_par->id = rk_fb->num_fb;
4034                 fb_par->lcdc_drv = dev_drv;
4035                 fbi->par = (void *)fb_par;
4036                 fbi->var = def_var;
4037                 fbi->fix = def_fix;
4038                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4039                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4040                 fbi->var.grayscale |=
4041                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4042 #if defined(CONFIG_LOGO_LINUX_BMP)
4043                 fbi->var.bits_per_pixel = 32;
4044 #else
4045                 fbi->var.bits_per_pixel = 16;
4046 #endif
4047                 fbi->fix.line_length =
4048                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4049                 fbi->var.width = dev_drv->cur_screen->width;
4050                 fbi->var.height = dev_drv->cur_screen->height;
4051                 if (dev_drv->iommu_enabled)
4052                         fb_ops.fb_mmap = rk_fb_mmap;
4053                 fbi->fbops = &fb_ops;
4054                 fbi->flags = FBINFO_FLAG_DEFAULT;
4055                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4056                 ret = register_framebuffer(fbi);
4057                 if (ret < 0) {
4058                         dev_err(&fb_pdev->dev,
4059                                 "%s fb%d register_framebuffer fail!\n",
4060                                 __func__, rk_fb->num_fb);
4061                         return ret;
4062                 }
4063                 rkfb_create_sysfs(fbi);
4064                 rk_fb->fb[rk_fb->num_fb] = fbi;
4065                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4066                          fbi->fix.id);
4067                 rk_fb->num_fb++;
4068
4069                 if (i == 0) {
4070                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4071                         init_waitqueue_head(&dev_drv->update_regs_wait);
4072                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4073                         if (ret)
4074                                 dev_err(fbi->dev,
4075                                         "failed to create vsync file\n");
4076                         dev_drv->vsync_info.thread =
4077                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4078                                         "fb-vsync");
4079                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4080                                 dev_err(fbi->dev,
4081                                         "failed to run vsync thread\n");
4082                                 dev_drv->vsync_info.thread = NULL;
4083                         }
4084                         dev_drv->vsync_info.active = 1;
4085
4086                         mutex_init(&dev_drv->output_lock);
4087
4088                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4089                         mutex_init(&dev_drv->update_regs_list_lock);
4090                         init_kthread_worker(&dev_drv->update_regs_worker);
4091
4092                         dev_drv->update_regs_thread =
4093                             kthread_run(kthread_worker_fn,
4094                                         &dev_drv->update_regs_worker, "rk-fb");
4095                         if (IS_ERR(dev_drv->update_regs_thread)) {
4096                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4097                                 dev_drv->update_regs_thread = NULL;
4098
4099                                 printk("failed to run update_regs thread\n");
4100                                 return err;
4101                         }
4102                         init_kthread_work(&dev_drv->update_regs_work,
4103                                           rk_fb_update_regs_handler);
4104
4105                         dev_drv->timeline =
4106                             sw_sync_timeline_create("fb-timeline");
4107                         dev_drv->timeline_max = 1;
4108                 }
4109         }
4110
4111         /* show logo for primary display device */
4112 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4113         if (dev_drv->prop == PRMRY) {
4114                 u16 xact, yact;
4115                 int format;
4116                 u32 dsp_addr;
4117                 struct fb_info *main_fbi = rk_fb->fb[0];
4118                 main_fbi->fbops->fb_open(main_fbi, 1);
4119                 main_fbi->var.pixclock = dev_drv->pixclock;
4120 #if defined(CONFIG_ROCKCHIP_IOMMU)
4121                 if (dev_drv->iommu_enabled) {
4122                         if (dev_drv->mmu_dev)
4123                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4124                                                 rk_fb_sysmmu_fault_handler);
4125                 }
4126 #endif
4127
4128                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4129                 dev_drv->uboot_logo = support_uboot_display();
4130
4131                 if (dev_drv->uboot_logo &&
4132                     uboot_logo_offset && uboot_logo_base) {
4133                         int width, height, bits;
4134                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4135                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4136                         unsigned int nr_pages;
4137                         struct page **pages;
4138                         char *vaddr;
4139                         int i = 0;
4140
4141                         if (dev_drv->ops->get_dspbuf_info)
4142                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4143                                         &yact, &format, &dsp_addr);
4144                         nr_pages = size >> PAGE_SHIFT;
4145                         pages = kzalloc(sizeof(struct page) * nr_pages,
4146                                         GFP_KERNEL);
4147                         while (i < nr_pages) {
4148                                 pages[i] = phys_to_page(start);
4149                                 start += PAGE_SIZE;
4150                                 i++;
4151                         }
4152                         vaddr = vmap(pages, nr_pages, VM_MAP,
4153                                         pgprot_writecombine(PAGE_KERNEL));
4154                         if (!vaddr) {
4155                                 pr_err("failed to vmap phy addr 0x%lx\n",
4156                                        (long)(uboot_logo_base +
4157                                        uboot_logo_offset));
4158                                 return -1;
4159                         }
4160
4161                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
4162                                       &height, &bits)) {
4163                                 kfree(pages);
4164                                 vunmap(vaddr);
4165                                 return 0;
4166                         }
4167                         kfree(pages);
4168                         vunmap(vaddr);
4169                         if (dev_drv->uboot_logo &&
4170                             (width != xact || height != yact)) {
4171                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4172                                         xact, yact, width, height);
4173                                 return 0;
4174                         }
4175                         local_irq_save(flags);
4176                         if (dev_drv->ops->wait_frame_start)
4177                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4178                         if (dev_drv->ops->post_dspbuf) {
4179                                 dev_drv->ops->post_dspbuf(dev_drv,
4180                                         main_fbi->fix.smem_start,
4181                                         rk_fb_data_fmt(0, bits),
4182                                         width, height, width * bits >> 5);
4183                         }
4184                         if (dev_drv->iommu_enabled) {
4185                                 rk_fb_poll_wait_frame_complete();
4186                                 if (dev_drv->ops->mmu_en)
4187                                         dev_drv->ops->mmu_en(dev_drv);
4188                                 freed_index = 0;
4189                         }
4190                         local_irq_restore(flags);
4191                         return 0;
4192                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4193                         u32 start = uboot_logo_base;
4194                         u32 start_base = start;
4195                         int logo_len, i=0;
4196                         unsigned int nr_pages;
4197                         struct page **pages;
4198                         char *vaddr;
4199
4200                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4201                                                       &yact, &format,
4202                                                       &start);
4203                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4204                         if (logo_len > uboot_logo_size ||
4205                             logo_len > main_fbi->fix.smem_len) {
4206                                 pr_err("logo size > uboot reserve buffer size\n");
4207                                 return -1;
4208                         }
4209
4210                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
4211                         pages = kzalloc(sizeof(struct page) * nr_pages,
4212                                         GFP_KERNEL);
4213                         while (i < nr_pages) {
4214                                 pages[i] = phys_to_page(start);
4215                                 start += PAGE_SIZE;
4216                                 i++;
4217                         }
4218                         vaddr = vmap(pages, nr_pages, VM_MAP,
4219                                         pgprot_writecombine(PAGE_KERNEL));
4220                         if (!vaddr) {
4221                                 pr_err("failed to vmap phy addr 0x%x\n",
4222                                        start_base);
4223                                 return -1;
4224                         }
4225
4226                         memcpy(main_fbi->screen_base, vaddr, logo_len);
4227
4228                         kfree(pages);
4229                         vunmap(vaddr);
4230                         local_irq_save(flags);
4231                         if (dev_drv->ops->wait_frame_start)
4232                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4233                         dev_drv->ops->post_dspbuf(dev_drv,
4234                                         main_fbi->fix.smem_start,
4235                                         format, xact, yact,
4236                                         xact * rk_fb_pixel_width(format) >> 5);
4237                         if (dev_drv->iommu_enabled) {
4238                                 rk_fb_poll_wait_frame_complete();
4239                                 if (dev_drv->ops->mmu_en)
4240                                         dev_drv->ops->mmu_en(dev_drv);
4241                                 freed_index = 0;
4242                         }
4243                         local_irq_restore(flags);
4244                         return 0;
4245                 } else {
4246                         if (dev_drv->iommu_enabled) {
4247                                 if (dev_drv->ops->mmu_en)
4248                                         dev_drv->ops->mmu_en(dev_drv);
4249                                 freed_index = 0;
4250                         }
4251                 }
4252 #if defined(CONFIG_LOGO)
4253                 main_fbi->fbops->fb_set_par(main_fbi);
4254 #if  defined(CONFIG_LOGO_LINUX_BMP)
4255                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4256                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4257                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4258                 }
4259 #else
4260                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4261                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4262                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4263                 }
4264 #endif
4265                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4266 #endif
4267         } else {
4268                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4269                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4270                 extend_fbi->fbops->fb_open(extend_fbi, 1);
4271 #if defined(CONFIG_ROCKCHIP_IOMMU)
4272                 if (dev_drv->iommu_enabled) {
4273                         if (dev_drv->mmu_dev)
4274                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4275                                                                  rk_fb_sysmmu_fault_handler);
4276                 }
4277 #endif
4278                 rk_fb_alloc_buffer(extend_fbi);
4279         }
4280 #endif
4281         return 0;
4282 }
4283
4284 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4285 {
4286         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4287         struct fb_info *fbi;
4288         int fb_index_base = dev_drv->fb_index_base;
4289         int fb_num = dev_drv->lcdc_win_num;
4290         int i = 0;
4291
4292         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4293                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4294                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4295         }
4296
4297         for (i = 0; i < fb_num; i++)
4298                 kfree(dev_drv->win[i]);
4299
4300         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4301                 fbi = fb_inf->fb[i];
4302                 unregister_framebuffer(fbi);
4303                 /* rk_release_fb_buffer(fbi); */
4304                 framebuffer_release(fbi);
4305         }
4306         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4307         fb_inf->num_lcdc--;
4308
4309         return 0;
4310 }
4311
4312 static int rk_fb_probe(struct platform_device *pdev)
4313 {
4314         struct rk_fb *rk_fb = NULL;
4315         struct device_node *np = pdev->dev.of_node;
4316         u32 mode;
4317
4318         if (!np) {
4319                 dev_err(&pdev->dev, "Missing device tree node.\n");
4320                 return -EINVAL;
4321         }
4322
4323         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4324         if (!rk_fb) {
4325                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4326                 return -ENOMEM;
4327         }
4328         platform_set_drvdata(pdev, rk_fb);
4329
4330         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4331                 rk_fb->disp_mode = mode;
4332
4333         } else {
4334                 dev_err(&pdev->dev, "no disp-mode node found!");
4335                 return -ENODEV;
4336         }
4337
4338         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4339                 rk_fb->disp_policy = mode;
4340                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4341         }
4342
4343         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4344                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4345
4346         dev_set_name(&pdev->dev, "rockchip-fb");
4347 #if defined(CONFIG_ION_ROCKCHIP)
4348         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4349         if (IS_ERR(rk_fb->ion_client)) {
4350                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4351                 return PTR_ERR(rk_fb->ion_client);
4352         } else {
4353                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4354         }
4355 #endif
4356
4357         fb_pdev = pdev;
4358         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4359         return 0;
4360 }
4361
4362 static int rk_fb_remove(struct platform_device *pdev)
4363 {
4364         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4365
4366         kfree(rk_fb);
4367         platform_set_drvdata(pdev, NULL);
4368         return 0;
4369 }
4370
4371 static void rk_fb_shutdown(struct platform_device *pdev)
4372 {
4373         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4374         int i;
4375
4376         for (i = 0; i < rk_fb->num_lcdc; i++) {
4377                 if (!rk_fb->lcdc_dev_drv[i])
4378                         continue;
4379                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4380         }
4381 }
4382
4383 static const struct of_device_id rkfb_dt_ids[] = {
4384         {.compatible = "rockchip,rk-fb",},
4385         {}
4386 };
4387
4388 static struct platform_driver rk_fb_driver = {
4389         .probe = rk_fb_probe,
4390         .remove = rk_fb_remove,
4391         .driver = {
4392                    .name = "rk-fb",
4393                    .owner = THIS_MODULE,
4394                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4395                    },
4396         .shutdown = rk_fb_shutdown,
4397 };
4398
4399 static int __init rk_fb_init(void)
4400 {
4401         return platform_driver_register(&rk_fb_driver);
4402 }
4403
4404 static void __exit rk_fb_exit(void)
4405 {
4406         platform_driver_unregister(&rk_fb_driver);
4407 }
4408
4409 fs_initcall(rk_fb_init);
4410 module_exit(rk_fb_exit);