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 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
  82
  83 #define fb_dbg(level, x...) do {                \
  84         if (unlikely(rk_fb_debug_lvl >= level)) \
  85                 printk(KERN_DEBUG x);           \
  86         } while (0)
  87
  88 int support_uboot_display(void)
  89 {
  90         return uboot_logo_on;
  91 }
  92
  93 int rk_fb_get_display_policy(void)
  94 {
  95         struct rk_fb *rk_fb;
  96
  97         if (fb_pdev) {
  98                 rk_fb = platform_get_drvdata(fb_pdev);
  99                 return rk_fb->disp_policy;
 100         } else {
 101                 return DISPLAY_POLICY_SDK;
 102         }
 103 }
 104
 105 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 106 {
 107         switch (type) {
 108         case SCREEN_RGB:
 109         case SCREEN_LVDS:
 110         case SCREEN_DUAL_LVDS:
 111         case SCREEN_LVDS_10BIT:
 112         case SCREEN_DUAL_LVDS_10BIT:
 113                 trsm_lvds_ops = ops;
 114                 break;
 115         case SCREEN_EDP:
 116                 trsm_edp_ops = ops;
 117                 break;
 118         case SCREEN_MIPI:
 119         case SCREEN_DUAL_MIPI:
 120                 trsm_mipi_ops = ops;
 121                 break;
 122         default:
 123                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 124                        __func__, type);
 125                 break;
 126         }
 127         return 0;
 128 }
 129
 130 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 131 {
 132         struct rk_fb_trsm_ops *ops;
 133         switch (type) {
 134         case SCREEN_RGB:
 135         case SCREEN_LVDS:
 136         case SCREEN_DUAL_LVDS:
 137         case SCREEN_LVDS_10BIT:
 138         case SCREEN_DUAL_LVDS_10BIT:
 139                 ops = trsm_lvds_ops;
 140                 break;
 141         case SCREEN_EDP:
 142                 ops = trsm_edp_ops;
 143                 break;
 144         case SCREEN_MIPI:
 145         case SCREEN_DUAL_MIPI:
 146                 ops = trsm_mipi_ops;
 147                 break;
 148         default:
 149                 ops = NULL;
 150                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 151                        __func__, type);
 152                 break;
 153         }
 154         return ops;
 155 }
 156
 157 int rk_fb_pixel_width(int data_format)
 158 {
 159         int pixel_width;
 160         switch (data_format) {
 161         case XBGR888:
 162         case ABGR888:
 163         case ARGB888:
 164         case FBDC_ARGB_888:
 165         case FBDC_ABGR_888:
 166         case FBDC_RGBX_888:
 167                 pixel_width = 4 * 8;
 168                 break;
 169         case RGB888:
 170                 pixel_width = 3 * 8;
 171                 break;
 172         case RGB565:
 173         case FBDC_RGB_565:
 174                 pixel_width = 2 * 8;
 175                 break;
 176         case YUV422:
 177         case YUV420:
 178         case YUV420_NV21:
 179         case YUV444:
 180                 pixel_width = 1 * 8;
 181                 break;
 182         case YUV422_A:
 183         case YUV420_A:
 184         case YUV444_A:
 185                 pixel_width = 8;
 186                 break;
 187         default:
 188                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 189                        __func__, data_format);
 190                 return -EINVAL;
 191         }
 192         return pixel_width;
 193 }
 194
 195 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 196 {
 197         int fb_data_fmt;
 198         if (data_format) {
 199                 switch (data_format) {
 200                 case HAL_PIXEL_FORMAT_RGBX_8888:
 201                         fb_data_fmt = XBGR888;
 202                         break;
 203                 case HAL_PIXEL_FORMAT_RGBA_8888:
 204                         fb_data_fmt = ABGR888;
 205                         break;
 206                 case HAL_PIXEL_FORMAT_BGRA_8888:
 207                         fb_data_fmt = ARGB888;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_RGB_888:
 210                         fb_data_fmt = RGB888;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_RGB_565:
 213                         fb_data_fmt = RGB565;
 214                         break;
 215                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 216                         fb_data_fmt = YUV422;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 219                         fb_data_fmt = YUV420_NV21;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 222                         fb_data_fmt = YUV420;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 225                         fb_data_fmt = YUV444;
 226                         break;
 227                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 228                         fb_data_fmt = YUV420_A;
 229                         break;
 230                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 231                         fb_data_fmt = YUV422_A;
 232                         break;
 233                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 234                         fb_data_fmt = YUV444_A;
 235                         break;
 236                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 237                         fb_data_fmt = FBDC_RGB_565;
 238                         break;
 239                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 240                         fb_data_fmt = FBDC_ARGB_888;
 241                         break;
 242                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 243                         fb_data_fmt = FBDC_ABGR_888;
 244                         break;
 245                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 246                         fb_data_fmt = FBDC_RGBX_888;
 247                         break;
 248                 default:
 249                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 250                                __func__, data_format);
 251                         return -EINVAL;
 252                 }
 253         } else {
 254                 switch (bits_per_pixel) {
 255                 case 32:
 256                         fb_data_fmt = ARGB888;
 257                         break;
 258                 case 24:
 259                         fb_data_fmt = RGB888;
 260                         break;
 261                 case 16:
 262                         fb_data_fmt = RGB565;
 263                         break;
 264                 default:
 265                         printk(KERN_WARNING
 266                                "%s:un supported bits_per_pixel:%d\n", __func__,
 267                                bits_per_pixel);
 268                         break;
 269                 }
 270         }
 271         return fb_data_fmt;
 272 }
 273
 274 /*
 275  * rk display power control parse from dts
 276  */
 277 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 278 {
 279         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 280                                                         "power_ctr");
 281         struct device_node *child;
 282         struct rk_disp_pwr_ctr_list *pwr_ctr;
 283         struct list_head *pos;
 284         enum of_gpio_flags flags;
 285         u32 val = 0;
 286         u32 debug = 0;
 287         int ret;
 288
 289         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 290         if (!root) {
 291                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 292                         dev_drv->id);
 293                 return -ENODEV;
 294         }
 295
 296         for_each_child_of_node(root, child) {
 297                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 298                                   GFP_KERNEL);
 299                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 300                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 301                         if (val == GPIO) {
 302                                 pwr_ctr->pwr_ctr.type = GPIO;
 303                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 304                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 305                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 306                                                 child->name);
 307                                         return -EINVAL;
 308                                 }
 309                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 310                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 311                                                    child->name);
 312                                 if (ret) {
 313                                         dev_err(dev_drv->dev,
 314                                                 "request %s gpio fail:%d\n",
 315                                                 child->name, ret);
 316                                 }
 317
 318                         } else {
 319                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 320                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 321                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 322                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 323                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 324                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 325                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 326                                         pwr_ctr->pwr_ctr.volt = val;
 327                                 else
 328                                         pwr_ctr->pwr_ctr.volt = 0;
 329                         }
 330                 };
 331
 332                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 333                         pwr_ctr->pwr_ctr.delay = val;
 334                 else
 335                         pwr_ctr->pwr_ctr.delay = 0;
 336                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 337         }
 338
 339         of_property_read_u32(root, "rockchip,debug", &debug);
 340
 341         if (debug) {
 342                 list_for_each(pos, &dev_drv->pwrlist_head) {
 343                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 344                                              list);
 345                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 346                                "pwr_type:%s\n"
 347                                "gpio:%d\n"
 348                                "atv_val:%d\n"
 349                                "delay:%d\n\n",
 350                                pwr_ctr->pwr_ctr.name,
 351                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 352                                pwr_ctr->pwr_ctr.gpio,
 353                                pwr_ctr->pwr_ctr.atv_val,
 354                                pwr_ctr->pwr_ctr.delay);
 355                 }
 356         }
 357
 358         return 0;
 359
 360 }
 361
 362 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 363 {
 364         struct list_head *pos;
 365         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 366         struct pwr_ctr *pwr_ctr;
 367         struct regulator *regulator_lcd = NULL;
 368         int count = 10;
 369
 370         if (list_empty(&dev_drv->pwrlist_head))
 371                 return 0;
 372         list_for_each(pos, &dev_drv->pwrlist_head) {
 373                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 374                                           list);
 375                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 376                 if (pwr_ctr->type == GPIO) {
 377                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 378                         mdelay(pwr_ctr->delay);
 379                 } else if (pwr_ctr->type == REGULATOR) {
 380                         if (pwr_ctr->rgl_name)
 381                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 382                         if (regulator_lcd == NULL) {
 383                                 dev_err(dev_drv->dev,
 384                                         "%s: regulator get failed,regulator name:%s\n",
 385                                         __func__, pwr_ctr->rgl_name);
 386                                 continue;
 387                         }
 388                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 389                         while (!regulator_is_enabled(regulator_lcd)) {
 390                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 391                                         break;
 392                                 else
 393                                         dev_err(dev_drv->dev,
 394                                                 "regulator_enable failed,count=%d\n",
 395                                                 count);
 396                                 count--;
 397                         }
 398                         regulator_put(regulator_lcd);
 399                         msleep(pwr_ctr->delay);
 400                 }
 401         }
 402
 403         return 0;
 404 }
 405
 406 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 407 {
 408         struct list_head *pos;
 409         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 410         struct pwr_ctr *pwr_ctr;
 411         struct regulator *regulator_lcd = NULL;
 412         int count = 10;
 413
 414         if (list_empty(&dev_drv->pwrlist_head))
 415                 return 0;
 416         list_for_each(pos, &dev_drv->pwrlist_head) {
 417                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 418                                           list);
 419                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 420                 if (pwr_ctr->type == GPIO) {
 421                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 422                 } else if (pwr_ctr->type == REGULATOR) {
 423                         if (pwr_ctr->rgl_name)
 424                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 425                         if (regulator_lcd == NULL) {
 426                                 dev_err(dev_drv->dev,
 427                                         "%s: regulator get failed,regulator name:%s\n",
 428                                         __func__, pwr_ctr->rgl_name);
 429                                 continue;
 430                         }
 431                         while (regulator_is_enabled(regulator_lcd) > 0) {
 432                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 433                                         break;
 434                                 else
 435                                         dev_err(dev_drv->dev,
 436                                                 "regulator_disable failed,count=%d\n",
 437                                                 count);
 438                                 count--;
 439                         }
 440                         regulator_put(regulator_lcd);
 441                 }
 442         }
 443         return 0;
 444 }
 445
 446 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 447                                  struct rk_screen *screen)
 448 {
 449         screen->mode.pixclock = dt->pixelclock.typ;
 450         screen->mode.left_margin = dt->hback_porch.typ;
 451         screen->mode.right_margin = dt->hfront_porch.typ;
 452         screen->mode.xres = dt->hactive.typ;
 453         screen->mode.hsync_len = dt->hsync_len.typ;
 454         screen->mode.upper_margin = dt->vback_porch.typ;
 455         screen->mode.lower_margin = dt->vfront_porch.typ;
 456         screen->mode.yres = dt->vactive.typ;
 457         screen->mode.vsync_len = dt->vsync_len.typ;
 458         screen->type = dt->screen_type;
 459         screen->lvds_format = dt->lvds_format;
 460         screen->face = dt->face;
 461         screen->color_mode = dt->color_mode;
 462         screen->dsp_lut = dt->dsp_lut;
 463         screen->cabc_lut = dt->cabc_lut;
 464         screen->cabc_gamma_base = dt->cabc_gamma_base;
 465
 466         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 467                 screen->pin_dclk = 1;
 468         else
 469                 screen->pin_dclk = 0;
 470         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 471                 screen->pin_hsync = 1;
 472         else
 473                 screen->pin_hsync = 0;
 474         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 475                 screen->pin_vsync = 1;
 476         else
 477                 screen->pin_vsync = 0;
 478         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 479                 screen->pin_den = 1;
 480         else
 481                 screen->pin_den = 0;
 482
 483         return 0;
 484
 485 }
 486
 487 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 488 {
 489         struct display_timings *disp_timing;
 490         struct display_timing *dt;
 491         disp_timing = of_get_display_timings(np);
 492         if (!disp_timing) {
 493                 pr_err("parse display timing err\n");
 494                 return -EINVAL;
 495         }
 496         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 497         rk_fb_video_mode_from_timing(dt, screen);
 498         return 0;
 499
 500 }
 501
 502 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 503 {
 504         int x, y;
 505         unsigned long long hz;
 506         if (!screen) {
 507                 printk(KERN_ERR "%s:null screen!\n", __func__);
 508                 return 0;
 509         }
 510         x = screen->mode.xres + screen->mode.left_margin +
 511             screen->mode.right_margin + screen->mode.hsync_len;
 512         y = screen->mode.yres + screen->mode.upper_margin +
 513             screen->mode.lower_margin + screen->mode.vsync_len;
 514
 515         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 516
 517         hz += (x * y) / 2;
 518         do_div(hz, x * y);      /* divide by x * y with rounding */
 519
 520         hz += pixclock / 2;
 521         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 522
 523         return hz;
 524 }
 525
 526 char *get_format_string(enum data_format format, char *fmt)
 527 {
 528         if (!fmt)
 529                 return NULL;
 530         switch (format) {
 531         case ARGB888:
 532                 strcpy(fmt, "ARGB888");
 533                 break;
 534         case RGB888:
 535                 strcpy(fmt, "RGB888");
 536                 break;
 537         case RGB565:
 538                 strcpy(fmt, "RGB565");
 539                 break;
 540         case YUV420:
 541         case YUV420_NV21:
 542                 strcpy(fmt, "YUV420");
 543                 break;
 544         case YUV422:
 545                 strcpy(fmt, "YUV422");
 546                 break;
 547         case YUV444:
 548                 strcpy(fmt, "YUV444");
 549                 break;
 550         case YUV420_A:
 551                 strcpy(fmt, "YUV420_A");
 552                 break;
 553         case YUV422_A:
 554                 strcpy(fmt, "YUV422_A");
 555                 break;
 556         case YUV444_A:
 557                 strcpy(fmt, "YUV444_A");
 558                 break;
 559         case XRGB888:
 560                 strcpy(fmt, "XRGB888");
 561                 break;
 562         case XBGR888:
 563                 strcpy(fmt, "XBGR888");
 564                 break;
 565         case ABGR888:
 566                 strcpy(fmt, "ABGR888");
 567                 break;
 568         case FBDC_RGB_565:
 569                 strcpy(fmt, "FBDC_RGB_565");
 570                 break;
 571         case FBDC_ARGB_888:
 572         case FBDC_ABGR_888:
 573                 strcpy(fmt, "FBDC_ARGB_888");
 574                 break;
 575         case FBDC_RGBX_888:
 576                 strcpy(fmt, "FBDC_RGBX_888");
 577                 break;
 578         default:
 579                 strcpy(fmt, "invalid");
 580                 break;
 581         }
 582
 583         return fmt;
 584
 585 }
 586
 587 /*
 588  * this is for hdmi
 589  * name: lcdc device name ,lcdc0 , lcdc1
 590  */
 591 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 592 {
 593         struct rk_fb *inf = NULL;
 594         struct rk_lcdc_driver *dev_drv = NULL;
 595         int i = 0;
 596
 597         if (likely(fb_pdev))
 598                 inf = platform_get_drvdata(fb_pdev);
 599         else
 600                 return NULL;
 601
 602         for (i = 0; i < inf->num_lcdc; i++) {
 603                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 604                         dev_drv = inf->lcdc_dev_drv[i];
 605                         break;
 606                 }
 607         }
 608
 609         return dev_drv;
 610 }
 611
 612 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 613 {
 614         struct rk_fb *inf = NULL;
 615         struct rk_lcdc_driver *dev_drv = NULL;
 616         int i = 0;
 617
 618         if (likely(fb_pdev))
 619                 inf = platform_get_drvdata(fb_pdev);
 620         else
 621                 return NULL;
 622
 623         for (i = 0; i < inf->num_lcdc; i++) {
 624                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 625                         dev_drv = inf->lcdc_dev_drv[i];
 626                         break;
 627                 }
 628         }
 629
 630         return dev_drv;
 631 }
 632
 633 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 634 {
 635         struct rk_fb *inf = NULL;
 636         struct rk_lcdc_driver *dev_drv = NULL;
 637         int i = 0;
 638
 639         if (likely(fb_pdev))
 640                 inf = platform_get_drvdata(fb_pdev);
 641         else
 642                 return NULL;
 643
 644         for (i = 0; i < inf->num_lcdc; i++) {
 645                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 646                         dev_drv = inf->lcdc_dev_drv[i];
 647                         break;
 648                 }
 649         }
 650
 651         return dev_drv;
 652 }
 653
 654 /*
 655  * get one frame time of the prmry screen, unit: us
 656  */
 657 u32 rk_fb_get_prmry_screen_ft(void)
 658 {
 659         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 660         uint32_t htotal, vtotal, pixclock_ps;
 661         u64 pix_total, ft_us;
 662
 663         if (unlikely(!dev_drv))
 664                 return 0;
 665
 666         pixclock_ps = dev_drv->pixclock;
 667
 668         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 669                  dev_drv->cur_screen->mode.lower_margin +
 670                  dev_drv->cur_screen->mode.yres +
 671                  dev_drv->cur_screen->mode.vsync_len);
 672         htotal = (dev_drv->cur_screen->mode.left_margin +
 673                  dev_drv->cur_screen->mode.right_margin +
 674                  dev_drv->cur_screen->mode.xres +
 675                  dev_drv->cur_screen->mode.hsync_len);
 676         pix_total = htotal * vtotal;
 677         ft_us = pix_total * pixclock_ps;
 678         do_div(ft_us, 1000000);
 679         if (dev_drv->frame_time.ft == 0)
 680                 dev_drv->frame_time.ft = ft_us;
 681
 682         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 683         do_div(ft_us, 1000);
 684         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 685         if (ft_us != 0)
 686                 dev_drv->frame_time.ft = ft_us;
 687
 688         return dev_drv->frame_time.ft;
 689 }
 690
 691 /*
 692  * get the vblanking time of the prmry screen, unit: us
 693  */
 694 u32 rk_fb_get_prmry_screen_vbt(void)
 695 {
 696         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 697         uint32_t htotal, vblank, pixclock_ps;
 698         u64 pix_blank, vbt_us;
 699
 700         if (unlikely(!dev_drv))
 701                 return 0;
 702
 703         pixclock_ps = dev_drv->pixclock;
 704
 705         htotal = (dev_drv->cur_screen->mode.left_margin +
 706                  dev_drv->cur_screen->mode.right_margin +
 707                  dev_drv->cur_screen->mode.xres +
 708                  dev_drv->cur_screen->mode.hsync_len);
 709         vblank = (dev_drv->cur_screen->mode.upper_margin +
 710                  dev_drv->cur_screen->mode.lower_margin +
 711                  dev_drv->cur_screen->mode.vsync_len);
 712         pix_blank = htotal * vblank;
 713         vbt_us = pix_blank * pixclock_ps;
 714         do_div(vbt_us, 1000000);
 715         return (u32)vbt_us;
 716 }
 717
 718 /*
 719  * get the frame done time of the prmry screen, unit: us
 720  */
 721 u64 rk_fb_get_prmry_screen_framedone_t(void)
 722 {
 723         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 724
 725         if (unlikely(!dev_drv))
 726                 return 0;
 727         else
 728                 return dev_drv->frame_time.framedone_t;
 729 }
 730
 731 /*
 732  * set prmry screen status
 733  */
 734 int rk_fb_set_prmry_screen_status(int status)
 735 {
 736         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 737         struct rk_screen *screen;
 738
 739         if (unlikely(!dev_drv))
 740                 return 0;
 741
 742         screen = dev_drv->cur_screen;
 743         switch (status) {
 744         case SCREEN_PREPARE_DDR_CHANGE:
 745                 if (screen->type == SCREEN_MIPI
 746                         || screen->type == SCREEN_DUAL_MIPI) {
 747                         if (dev_drv->trsm_ops->dsp_pwr_off)
 748                                 dev_drv->trsm_ops->dsp_pwr_off();
 749                 }
 750                 break;
 751         case SCREEN_UNPREPARE_DDR_CHANGE:
 752                 if (screen->type == SCREEN_MIPI
 753                         || screen->type == SCREEN_DUAL_MIPI) {
 754                         if (dev_drv->trsm_ops->dsp_pwr_on)
 755                                 dev_drv->trsm_ops->dsp_pwr_on();
 756                 }
 757                 break;
 758         default:
 759                 break;
 760         }
 761
 762         return 0;
 763 }
 764
 765 u32 rk_fb_get_prmry_screen_pixclock(void)
 766 {
 767         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 768
 769         if (unlikely(!dev_drv))
 770                 return 0;
 771         else
 772                 return dev_drv->pixclock;
 773 }
 774
 775 int rk_fb_poll_prmry_screen_vblank(void)
 776 {
 777         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 778
 779         if (likely(dev_drv)) {
 780                 if (dev_drv->ops->poll_vblank)
 781                         return dev_drv->ops->poll_vblank(dev_drv);
 782                 else
 783                         return RK_LF_STATUS_NC;
 784         } else {
 785                 return RK_LF_STATUS_NC;
 786         }
 787 }
 788
 789 bool rk_fb_poll_wait_frame_complete(void)
 790 {
 791         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 792         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 793
 794         if (likely(dev_drv)) {
 795                 if (dev_drv->ops->set_irq_to_cpu)
 796                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 797         }
 798
 799         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 800                 if (likely(dev_drv)) {
 801                         if (dev_drv->ops->set_irq_to_cpu)
 802                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 803                 }
 804                 return false;
 805         }
 806         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 807                 ;
 808         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 809                 ;
 810         if (likely(dev_drv)) {
 811                 if (dev_drv->ops->set_irq_to_cpu)
 812                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 813         }
 814
 815         return true;
 816 }
 817
 818
 819 /* rk_fb_get_sysmmu_device_by_compatible()
 820  * @compt: dts device compatible name
 821  * return value: success: pointer to the device inside of platform device
 822  *               fail: NULL
 823  */
 824 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 825 {
 826         struct device_node *dn = NULL;
 827         struct platform_device *pd = NULL;
 828         struct device *ret = NULL ;
 829
 830         dn = of_find_compatible_node(NULL, NULL, compt);
 831         if (!dn) {
 832                 printk("can't find device node %s \r\n", compt);
 833                 return NULL;
 834         }
 835
 836         pd = of_find_device_by_node(dn);
 837         if (!pd) {
 838                 printk("can't find platform device in device node %s \r\n", compt);
 839                 return  NULL;
 840         }
 841         ret = &pd->dev;
 842
 843         return ret;
 844 }
 845
 846 #ifdef CONFIG_IOMMU_API
 847 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 848 {
 849         dev->archdata.iommu = sysmmu;
 850 }
 851 #else
 852 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 853 {
 854
 855 }
 856 #endif
 857
 858 static int rk_fb_open(struct fb_info *info, int user)
 859 {
 860         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 861         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 862         int win_id;
 863
 864         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 865         fb_par->state++;
 866         /* if this win aready opened ,no need to reopen */
 867         if (dev_drv->win[win_id]->state)
 868                 return 0;
 869         else
 870                 dev_drv->ops->open(dev_drv, win_id, 1);
 871         return 0;
 872 }
 873
 874 static int rk_fb_close(struct fb_info *info, int user)
 875 {
 876         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 877         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 878         struct rk_lcdc_win *win = NULL;
 879         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 880
 881         if (win_id >= 0) {
 882                 win = dev_drv->win[win_id];
 883                 if (fb_par->state)
 884                         fb_par->state--;
 885                 if (!fb_par->state) {
 886                         if (fb_par->fb_phy_base > 0)
 887                                 info->fix.smem_start = fb_par->fb_phy_base;
 888                         info->var.xres = dev_drv->screen0->mode.xres;
 889                         info->var.yres = dev_drv->screen0->mode.yres;
 890                         /*
 891                         info->var.grayscale |=
 892                             (info->var.xres << 8) + (info->var.yres << 20);
 893                         */
 894                         info->var.xres_virtual = info->var.xres;
 895                         info->var.yres_virtual = info->var.yres;
 896 #if defined(CONFIG_LOGO_LINUX_BMP)
 897                         info->var.bits_per_pixel = 32;
 898 #else
 899                         info->var.bits_per_pixel = 16;
 900 #endif
 901                         info->fix.line_length =
 902                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 903                         info->var.width = dev_drv->screen0->width;
 904                         info->var.height = dev_drv->screen0->height;
 905                         info->var.pixclock = dev_drv->pixclock;
 906                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 907                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 908                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 909                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 910                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 911                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 912                 }
 913         }
 914
 915         return 0;
 916 }
 917
 918 #if defined(FB_ROATE_BY_KERNEL)
 919
 920 #if defined(CONFIG_RK29_IPP)
 921 static int get_ipp_format(int fmt)
 922 {
 923         int ipp_fmt = IPP_XRGB_8888;
 924         switch (fmt) {
 925         case HAL_PIXEL_FORMAT_RGBX_8888:
 926         case HAL_PIXEL_FORMAT_RGBA_8888:
 927         case HAL_PIXEL_FORMAT_BGRA_8888:
 928         case HAL_PIXEL_FORMAT_RGB_888:
 929                 ipp_fmt = IPP_XRGB_8888;
 930                 break;
 931         case HAL_PIXEL_FORMAT_RGB_565:
 932                 ipp_fmt = IPP_RGB_565;
 933                 break;
 934         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 935                 ipp_fmt = IPP_Y_CBCR_H2V1;
 936                 break;
 937         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 938                 ipp_fmt = IPP_Y_CBCR_H2V2;
 939                 break;
 940         case HAL_PIXEL_FORMAT_YCrCb_444:
 941                 ipp_fmt = IPP_Y_CBCR_H1V1;
 942                 break;
 943         default:
 944                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 945                 break;
 946         }
 947
 948         return ipp_fmt;
 949 }
 950
 951 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 952                           int rotation, int fmt)
 953 {
 954         int align16 = 2;
 955         int align64 = 8;
 956
 957         if (fmt == IPP_XRGB_8888) {
 958                 align16 = 1;
 959                 align64 = 2;
 960         } else if (fmt == IPP_RGB_565) {
 961                 align16 = 1;
 962                 align64 = 4;
 963         } else {
 964                 align16 = 2;
 965                 align64 = 8;
 966         }
 967         align16 -= 1;           /*for YUV, 1 */
 968         align64 -= 1;           /*for YUV, 7 */
 969
 970         if (rotation == IPP_ROT_0) {
 971                 if (fmt > IPP_RGB_565) {
 972                         if ((*dst_w & 1) != 0)
 973                                 *dst_w = *dst_w + 1;
 974                         if ((*dst_h & 1) != 0)
 975                                 *dst_h = *dst_h + 1;
 976                         if (*dst_vir_w < *dst_w)
 977                                 *dst_vir_w = *dst_w;
 978                 }
 979         } else {
 980                 if ((*dst_w & align64) != 0)
 981                         *dst_w = (*dst_w + align64) & (~align64);
 982                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 983                         *dst_h = *dst_h + 1;
 984                 if (*dst_vir_w < *dst_w)
 985                         *dst_vir_w = *dst_w;
 986         }
 987 }
 988
 989 static void fb_copy_by_ipp(struct fb_info *dst_info,
 990                                 struct fb_info *src_info)
 991 {
 992         struct rk29_ipp_req ipp_req;
 993         uint32_t rotation = 0;
 994         int dst_w, dst_h, dst_vir_w;
 995         int ipp_fmt;
 996         u8 data_format = (dst_info->var.nonstd) & 0xff;
 997         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 998         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 999         u16 orientation = ext_dev_drv->rotate_mode;
1000
1001         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1002
1003         switch (orientation) {
1004         case 0:
1005                 rotation = IPP_ROT_0;
1006                 break;
1007         case ROTATE_90:
1008                 rotation = IPP_ROT_90;
1009                 break;
1010         case ROTATE_180:
1011                 rotation = IPP_ROT_180;
1012                 break;
1013         case ROTATE_270:
1014                 rotation = IPP_ROT_270;
1015                 break;
1016         default:
1017                 rotation = IPP_ROT_270;
1018                 break;
1019         }
1020
1021         dst_w = dst_info->var.xres;
1022         dst_h = dst_info->var.yres;
1023         dst_vir_w = dst_info->var.xres_virtual;
1024         ipp_fmt = get_ipp_format(data_format);
1025         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1026         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1027         ipp_req.src0.w = src_info->var.xres;
1028         ipp_req.src0.h = src_info->var.yres;
1029         ipp_req.src_vir_w = src_info->var.xres_virtual;
1030         ipp_req.src0.fmt = ipp_fmt;
1031
1032         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1033         ipp_req.dst0.w = dst_w;
1034         ipp_req.dst0.h = dst_h;
1035         ipp_req.dst_vir_w = dst_vir_w;
1036         ipp_req.dst0.fmt = ipp_fmt;
1037
1038         ipp_req.timeout = 100;
1039         ipp_req.flag = rotation;
1040         ipp_blit_sync(&ipp_req);
1041 }
1042
1043 #endif
1044
1045 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1046 static int get_rga_format(int fmt)
1047 {
1048         int rga_fmt = 0;
1049
1050         switch (fmt) {
1051         case XBGR888:
1052                 rga_fmt = RK_FORMAT_RGBX_8888;
1053                 break;
1054         case ABGR888:
1055                 rga_fmt = RK_FORMAT_RGBA_8888;
1056                 break;
1057         case ARGB888:
1058                 rga_fmt = RK_FORMAT_BGRA_8888;
1059                 break;
1060         case RGB888:
1061                 rga_fmt = RK_FORMAT_RGB_888;
1062                 break;
1063         case RGB565:
1064                 rga_fmt = RK_FORMAT_RGB_565;
1065                 break;
1066         case YUV422:
1067                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1068                 break;
1069         case YUV420:
1070                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1071                 break;
1072         default:
1073                 rga_fmt = RK_FORMAT_RGBA_8888;
1074                 break;
1075         }
1076
1077         return rga_fmt;
1078 }
1079
1080 static void rga_win_check(struct rk_lcdc_win *dst_win,
1081                           struct rk_lcdc_win *src_win)
1082 {
1083         int format = 0;
1084
1085         format = get_rga_format(src_win->area[0].format);
1086         /* width and height must be even number */
1087         if (format >= RK_FORMAT_YCbCr_422_SP &&
1088             format <= RK_FORMAT_YCrCb_420_P) {
1089                 if ((src_win->area[0].xact % 2) != 0)
1090                         src_win->area[0].xact += 1;
1091                 if ((src_win->area[0].yact % 2) != 0)
1092                         src_win->area[0].yact += 1;
1093         }
1094         if (src_win->area[0].xvir < src_win->area[0].xact)
1095                 src_win->area[0].xvir = src_win->area[0].xact;
1096         if (src_win->area[0].yvir < src_win->area[0].yact)
1097                 src_win->area[0].yvir = src_win->area[0].yact;
1098
1099         format = get_rga_format(dst_win->area[0].format);
1100         if (format >= RK_FORMAT_YCbCr_422_SP &&
1101             format <= RK_FORMAT_YCrCb_420_P) {
1102                 if ((dst_win->area[0].xact % 2) != 0)
1103                         dst_win->area[0].xact += 1;
1104                 if ((dst_win->area[0].yact % 2) != 0)
1105                         dst_win->area[0].yact += 1;
1106         }
1107         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1108                 dst_win->area[0].xvir = dst_win->area[0].xact;
1109         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1110                 dst_win->area[0].yvir = dst_win->area[0].yact;
1111 }
1112
1113 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1114                             struct rk_lcdc_win *src_win,
1115                             u16 orientation, int iommu_en)
1116 {
1117         struct rga_req Rga_Request;
1118         long ret = 0;
1119         /* int fd = 0; */
1120
1121         memset(&Rga_Request, 0, sizeof(Rga_Request));
1122         rga_win_check(dst_win, src_win);
1123
1124         switch (orientation) {
1125         case ROTATE_90:
1126                 Rga_Request.rotate_mode = 1;
1127                 Rga_Request.sina = 65536;
1128                 Rga_Request.cosa = 0;
1129                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1130                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1131                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1132                 Rga_Request.dst.y_offset = 0;
1133                 break;
1134         case ROTATE_180:
1135                 Rga_Request.rotate_mode = 1;
1136                 Rga_Request.sina = 0;
1137                 Rga_Request.cosa = -65536;
1138                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1139                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1140                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1141                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1142                 break;
1143         case ROTATE_270:
1144                 Rga_Request.rotate_mode = 1;
1145                 Rga_Request.sina = -65536;
1146                 Rga_Request.cosa = 0;
1147                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1148                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1149                 Rga_Request.dst.x_offset = 0;
1150                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1151                 break;
1152         default:
1153                 Rga_Request.rotate_mode = 0;
1154                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1155                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1156                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1157                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1158                 break;
1159         }
1160
1161 /*
1162         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1163         Rga_Request.src.yrgb_addr = fd;
1164         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1165         Rga_Request.dst.yrgb_addr = fd;
1166 */
1167         Rga_Request.src.yrgb_addr = 0;
1168         Rga_Request.src.uv_addr =
1169             src_win->area[0].smem_start + src_win->area[0].y_offset;
1170         Rga_Request.src.v_addr = 0;
1171
1172         Rga_Request.dst.yrgb_addr = 0;
1173         Rga_Request.dst.uv_addr =
1174             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1175         Rga_Request.dst.v_addr = 0;
1176
1177         Rga_Request.src.vir_w = src_win->area[0].xvir;
1178         Rga_Request.src.vir_h = src_win->area[0].yvir;
1179         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1180         Rga_Request.src.act_w = src_win->area[0].xact;
1181         Rga_Request.src.act_h = src_win->area[0].yact;
1182         Rga_Request.src.x_offset = 0;
1183         Rga_Request.src.y_offset = 0;
1184
1185         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1186         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1187         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1188
1189         Rga_Request.clip.xmin = 0;
1190         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1191         Rga_Request.clip.ymin = 0;
1192         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1193         Rga_Request.scale_mode = 0;
1194 #if defined(CONFIG_ROCKCHIP_IOMMU)
1195         if (iommu_en) {
1196                 Rga_Request.mmu_info.mmu_en = 1;
1197                 Rga_Request.mmu_info.mmu_flag = 1;
1198         } else {
1199                 Rga_Request.mmu_info.mmu_en = 0;
1200                 Rga_Request.mmu_info.mmu_flag = 0;
1201         }
1202 #else
1203         Rga_Request.mmu_info.mmu_en = 0;
1204         Rga_Request.mmu_info.mmu_flag = 0;
1205 #endif
1206
1207         ret = rga_ioctl_kernel(&Rga_Request);
1208 }
1209
1210 /*
1211  * This function is used for copying fb by RGA Module
1212  * RGA only support copy RGB to RGB
1213  * RGA2 support copy RGB to RGB and YUV to YUV
1214  */
1215 static void fb_copy_by_rga(struct fb_info *dst_info,
1216                                 struct fb_info *src_info)
1217 {
1218         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1219         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1220         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1221         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1222         int win_id = 0, ext_win_id;
1223         struct rk_lcdc_win *src_win, *dst_win;
1224
1225         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1226         src_win = dev_drv->win[win_id];
1227
1228         ext_win_id =
1229             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1230         dst_win = ext_dev_drv->win[ext_win_id];
1231
1232         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1233                         ext_dev_drv->iommu_enabled);
1234 }
1235 #endif
1236
1237 static int rk_fb_rotate(struct fb_info *dst_info,
1238                           struct fb_info *src_info)
1239 {
1240
1241 #if defined(CONFIG_RK29_IPP)
1242         fb_copy_by_ipp(dst_info, src_info);
1243 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1244         fb_copy_by_rga(dst_info, src_info);
1245 #else
1246         return -1;
1247 #endif
1248         return 0;
1249 }
1250
1251 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1252                                             struct rk_lcdc_win *src_win,
1253                                             u16 rotate, int iommu_en)
1254 {
1255 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1256         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1257 #else
1258         return -1;
1259 #endif
1260         return 0;
1261 }
1262
1263 #endif
1264
1265 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1266                              struct fb_info *info)
1267 {
1268         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1269         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1270         struct fb_fix_screeninfo *fix = &info->fix;
1271         int win_id = 0;
1272         struct rk_lcdc_win *win = NULL;
1273         struct rk_screen *screen = dev_drv->cur_screen;
1274         u32 xoffset = var->xoffset;
1275         u32 yoffset = var->yoffset;
1276         u32 xvir = var->xres_virtual;
1277         u8 pixel_width;
1278         u32 vir_width_bit;
1279         u32 stride, uv_stride;
1280         u32 stride_32bit_1;
1281         u32 stride_32bit_2;
1282         u16 uv_x_off, uv_y_off, uv_y_act;
1283         u8 is_pic_yuv = 0;
1284
1285         if (dev_drv->suspend_flag)
1286                 return 0;
1287         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1288         if (win_id < 0)
1289                 return -ENODEV;
1290         else
1291                 win = dev_drv->win[win_id];
1292
1293         pixel_width = rk_fb_pixel_width(win->area[0].format);
1294         vir_width_bit = pixel_width * xvir;
1295         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1296         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1297
1298         switch (win->area[0].format) {
1299         case YUV422:
1300         case YUV422_A:
1301                 is_pic_yuv = 1;
1302                 stride = stride_32bit_1;
1303                 uv_stride = stride_32bit_1 >> 1;
1304                 uv_x_off = xoffset >> 1;
1305                 uv_y_off = yoffset;
1306                 fix->line_length = stride;
1307                 uv_y_act = win->area[0].yact >> 1;
1308                 break;
1309         case YUV420:            /* nv12 */
1310         case YUV420_NV21:       /* nv21 */
1311         case YUV420_A:
1312                 is_pic_yuv = 1;
1313                 stride = stride_32bit_1;
1314                 uv_stride = stride_32bit_1;
1315                 uv_x_off = xoffset;
1316                 uv_y_off = yoffset >> 1;
1317                 fix->line_length = stride;
1318                 uv_y_act = win->area[0].yact >> 1;
1319                 break;
1320         case YUV444:
1321         case YUV444_A:
1322                 is_pic_yuv = 1;
1323                 stride = stride_32bit_1;
1324                 uv_stride = stride_32bit_2;
1325                 uv_x_off = xoffset * 2;
1326                 uv_y_off = yoffset;
1327                 fix->line_length = stride << 2;
1328                 uv_y_act = win->area[0].yact;
1329                 break;
1330         default:
1331                 stride = stride_32bit_1;        /* default rgb */
1332                 fix->line_length = stride;
1333                 break;
1334         }
1335
1336         /* x y mirror ,jump line */
1337         if ((screen->y_mirror == 1) ||
1338             (win->mirror_en == 1)) {
1339                 if (screen->interlace == 1) {
1340                         win->area[0].y_offset = yoffset * stride * 2 +
1341                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1342                             xoffset * pixel_width / 8;
1343                 } else {
1344                         win->area[0].y_offset = yoffset * stride +
1345                             (win->area[0].yact - 1) * stride +
1346                             xoffset * pixel_width / 8;
1347                 }
1348         } else {
1349                 if (screen->interlace == 1) {
1350                         win->area[0].y_offset =
1351                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1352                 } else {
1353                         win->area[0].y_offset =
1354                             yoffset * stride + xoffset * pixel_width / 8;
1355                 }
1356         }
1357         if (is_pic_yuv == 1) {
1358                 if ((screen->y_mirror == 1) ||
1359                     (win->mirror_en == 1)) {
1360                         if (screen->interlace == 1) {
1361                                 win->area[0].c_offset =
1362                                     uv_y_off * uv_stride * 2 +
1363                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1364                                     uv_x_off * pixel_width / 8;
1365                         } else {
1366                                 win->area[0].c_offset = uv_y_off * uv_stride +
1367                                     (uv_y_act - 1) * uv_stride +
1368                                     uv_x_off * pixel_width / 8;
1369                         }
1370                 } else {
1371                         if (screen->interlace == 1) {
1372                                 win->area[0].c_offset =
1373                                     uv_y_off * uv_stride * 2 +
1374                                     uv_x_off * pixel_width / 8;
1375                         } else {
1376                                 win->area[0].c_offset =
1377                                     uv_y_off * uv_stride +
1378                                     uv_x_off * pixel_width / 8;
1379                         }
1380                 }
1381         }
1382
1383         win->area[0].smem_start = fix->smem_start;
1384         win->area[0].cbr_start = fix->mmio_start;
1385         win->area[0].state = 1;
1386         win->area_num = 1;
1387
1388         dev_drv->ops->pan_display(dev_drv, win_id);
1389
1390 #ifdef  CONFIG_FB_MIRRORING
1391         if (video_data_to_mirroring)
1392                 video_data_to_mirroring(info, NULL);
1393 #endif
1394         /*if not want the config effect,set reserved[3] bit[0] 1*/
1395         if (likely((var->reserved[3] & 0x1) == 0))
1396                 dev_drv->ops->cfg_done(dev_drv);
1397
1398         return 0;
1399 }
1400
1401 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1402 {
1403         int i, j;
1404
1405         i = list_empty(&dev_drv->update_regs_list);
1406         j = list_empty(&dev_drv->saved_list);
1407         return i == j ? 0 : 1;
1408 }
1409
1410 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1411 {
1412         int err = sync_fence_wait(fence, 1000);
1413
1414         if (err >= 0)
1415                 return;
1416
1417         if (err == -ETIME)
1418                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1419
1420         if (err < 0)
1421                 printk("error waiting on fence\n");
1422 }
1423 #if 0
1424 static int rk_fb_copy_from_loader(struct fb_info *info)
1425 {
1426         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1427         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1428         void *dst = info->screen_base;
1429         u32 dsp_addr[4];
1430         u32 src;
1431         u32 i,size;
1432         int win_id;
1433         struct rk_lcdc_win *win;
1434
1435         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1436         win = dev_drv->win[win_id];
1437         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1438         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1439         src = dsp_addr[win_id];
1440         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1441                  win->area[0].xact, win->area[0].yact, src);
1442         for (i = 0; i < size; i += PAGE_SIZE) {
1443                 void *page = phys_to_page(i + src);
1444                 void *from_virt = kmap(page);
1445                 void *to_virt = dst + i;
1446                 memcpy(to_virt, from_virt, PAGE_SIZE);
1447         }
1448         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1449                                       info->fix.smem_start);
1450         return 0;
1451 }
1452 #endif
1453 #ifdef CONFIG_ROCKCHIP_IOMMU
1454 static int g_last_addr[4][4];
1455 int g_last_timeout;
1456 u32 freed_addr[10];
1457 u32 freed_index;
1458
1459 #define DUMP_CHUNK 256
1460 char buf[PAGE_SIZE];
1461
1462 int rk_fb_sysmmu_fault_handler(struct device *dev,
1463                                enum rk_iommu_inttype itype,
1464                                unsigned long pgtable_base,
1465                                unsigned long fault_addr, unsigned int status)
1466 {
1467         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1468         int i = 0, j = 0;
1469         static int page_fault_cnt;
1470         if ((page_fault_cnt++) >= 10)
1471                 return 0;
1472         pr_err
1473             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1474              fault_addr, pgtable_base, status);
1475         pr_info("last config addr:\n");
1476         for (i = 0; i < 4; i++) {
1477                 for (j = 0; j < 4; j++)
1478                         pr_info("win[%d],area[%d] = 0x%08x\n",
1479                                 i, j, g_last_addr[i][j]);
1480         }
1481         pr_info("last freed buffer:\n");
1482         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1483                 printk("%d:0x%08x\n", i, freed_addr[i]);
1484         printk("last timeout:%d\n", g_last_timeout);
1485         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1486         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1487                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1488                         char c = buf[i + DUMP_CHUNK];
1489                         buf[i + DUMP_CHUNK] = 0;
1490                         pr_cont("%s", buf + i);
1491                         buf[i + DUMP_CHUNK] = c;
1492                 } else {
1493                         buf[PAGE_SIZE - 1] = 0;
1494                         pr_cont("%s", buf + i);
1495                 }
1496         }
1497
1498         return 0;
1499 }
1500 #endif
1501
1502 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1503                         struct rk_fb_reg_win_data *reg_win_data)
1504 {
1505         int i, index_buf;
1506         struct rk_fb_reg_area_data *area_data;
1507         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1508
1509         for (i = 0; i < reg_win_data->area_num; i++) {
1510                 area_data = &reg_win_data->reg_area_data[i];
1511                 index_buf = area_data->index_buf;
1512 #if defined(CONFIG_ROCKCHIP_IOMMU)
1513                 if (dev_drv->iommu_enabled) {
1514                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1515                              (area_data->ion_handle != NULL))
1516                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1517                                                 area_data->ion_handle);
1518                         freed_addr[freed_index++] = area_data->smem_start;
1519                 }
1520 #endif
1521                 if (area_data->ion_handle != NULL)
1522                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1523
1524                 if (area_data->acq_fence)
1525                         sync_fence_put(area_data->acq_fence);
1526         }
1527         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1528 }
1529
1530 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1531                                 struct rk_lcdc_win *win,
1532                                 struct rk_fb_reg_win_data *reg_win_data)
1533 {
1534         int i = 0;
1535         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1536         struct rk_screen *cur_screen;
1537         struct rk_screen primary_screen;
1538
1539         if (unlikely(!inf) || unlikely(!dev_drv) ||
1540             unlikely(!win) || unlikely(!reg_win_data))
1541                 return;
1542
1543         cur_screen = dev_drv->cur_screen;
1544         rk_fb_get_prmry_screen(&primary_screen);
1545
1546         win->area_num = reg_win_data->area_num;
1547         win->id = reg_win_data->win_id;
1548         win->z_order = reg_win_data->z_order;
1549
1550         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1551                 win->state = 1;
1552                 win->area_num = reg_win_data->area_num;
1553                 win->id = reg_win_data->win_id;
1554                 win->z_order = reg_win_data->z_order;
1555                 win->area[0].uv_vir_stride =
1556                     reg_win_data->reg_area_data[0].uv_vir_stride;
1557                 win->area[0].cbr_start =
1558                     reg_win_data->reg_area_data[0].cbr_start;
1559                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1560                 win->alpha_en = reg_win_data->alpha_en;
1561                 win->alpha_mode = reg_win_data->alpha_mode;
1562                 win->g_alpha_val = reg_win_data->g_alpha_val;
1563                 win->mirror_en = reg_win_data->mirror_en;
1564                 win->area[0].fbdc_en =
1565                         reg_win_data->reg_area_data[0].fbdc_en;
1566                 win->area[0].fbdc_cor_en =
1567                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1568                 win->area[0].fbdc_data_format =
1569                         reg_win_data->reg_area_data[0].fbdc_data_format;
1570                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1571                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1572                                 win->area[i].format =
1573                                         reg_win_data->reg_area_data[i].data_format;
1574                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1575                                         win->area[i].ion_hdl =
1576                                         reg_win_data->reg_area_data[i].ion_handle;
1577                                 win->area[i].smem_start =
1578                                         reg_win_data->reg_area_data[i].smem_start;
1579                                 if (inf->disp_mode == DUAL ||
1580                                     inf->disp_mode == NO_DUAL ||
1581                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1582                                         win->area[i].xpos =
1583                                                 reg_win_data->reg_area_data[i].xpos;
1584                                         win->area[i].ypos =
1585                                                 reg_win_data->reg_area_data[i].ypos;
1586                                         win->area[i].xsize =
1587                                                 reg_win_data->reg_area_data[i].xsize;
1588                                         win->area[i].ysize =
1589                                                 reg_win_data->reg_area_data[i].ysize;
1590                                 } else {
1591                                         win->area[i].xpos =
1592                                                 reg_win_data->reg_area_data[i].xpos *
1593                                                 cur_screen->mode.xres /
1594                                                 primary_screen.mode.xres;
1595                                         win->area[i].ypos =
1596                                                 reg_win_data->reg_area_data[i].ypos *
1597                                                 cur_screen->mode.yres /
1598                                                 primary_screen.mode.yres;
1599                                         win->area[i].xsize =
1600                                                 reg_win_data->reg_area_data[i].xsize *
1601                                                 cur_screen->mode.xres /
1602                                                 primary_screen.mode.xres;
1603                                         win->area[i].ysize =
1604                                                 reg_win_data->reg_area_data[i].ysize *
1605                                                 cur_screen->mode.yres /
1606                                                 primary_screen.mode.yres;
1607
1608                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1609                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1610                                                 if (cur_screen->xsize > 0 &&
1611                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1612                                                         win->area[i].xpos =
1613                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1614                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1615                                                         win->area[i].xsize =
1616                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1617                                                 }
1618                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1619                                                         win->area[i].ypos =
1620                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1621                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1622                                                         win->area[i].ysize =
1623                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1624                                                 }
1625                                         }
1626                                 }
1627                                 win->area[i].xact =
1628                                     reg_win_data->reg_area_data[i].xact;
1629                                 win->area[i].yact =
1630                                     reg_win_data->reg_area_data[i].yact;
1631                                 win->area[i].xvir =
1632                                     reg_win_data->reg_area_data[i].xvir;
1633                                 win->area[i].yvir =
1634                                     reg_win_data->reg_area_data[i].yvir;
1635                                 win->area[i].xoff =
1636                                     reg_win_data->reg_area_data[i].xoff;
1637                                 win->area[i].yoff =
1638                                     reg_win_data->reg_area_data[i].yoff;
1639                                 win->area[i].y_offset =
1640                                     reg_win_data->reg_area_data[i].y_offset;
1641                                 win->area[i].y_vir_stride =
1642                                     reg_win_data->reg_area_data[i].y_vir_stride;
1643                                 win->area[i].state = 1;
1644 #if defined(CONFIG_ROCKCHIP_IOMMU)
1645                                 if (dev_drv->iommu_enabled)
1646                                         g_last_addr[win->id][i] = win->area[i].smem_start +
1647                                                 win->area[i].y_offset;
1648 #endif
1649                         } else {
1650                                 win->area[i].state = 0;
1651 #if defined(CONFIG_ROCKCHIP_IOMMU)
1652                                 if (dev_drv->iommu_enabled)
1653                                         g_last_addr[win->id][i] = -1;
1654 #endif
1655                         }
1656                 }
1657         }
1658 }
1659
1660 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1661                                                      *regs, int win_id)
1662 {
1663         int i;
1664         struct rk_fb_reg_win_data *win_data = NULL;
1665         for (i = 0; i < regs->win_num; i++) {
1666                 if (regs->reg_win_data[i].win_id == win_id) {
1667                         win_data = &(regs->reg_win_data[i]);
1668                         break;
1669                 }
1670         }
1671
1672         return win_data;
1673 }
1674
1675 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1676                              struct rk_fb_reg_data *regs,
1677                              int count)
1678 {
1679         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1680         int i, j, wait_for_vsync = false;
1681         unsigned int dsp_addr[5][4];
1682         unsigned int area_support[5] = {1, 1, 1, 1, 1};
1683         int win_status = 0;
1684
1685         if (dev_drv->ops->get_dsp_addr)
1686                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1687
1688         if (dev_drv->ops->area_support_num)
1689                 dev_drv->ops->area_support_num(dev_drv, area_support);
1690
1691         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1692                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1693                     (!strcmp(dev_drv->win[i]->name, "hwc")))
1694                         continue;
1695
1696                 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1697                         if ((j > 0) && (area_support[i] == 1)) {
1698                                 continue;
1699                         }
1700                         if (dev_drv->win[i]->area[j].state == 1) {
1701                                 u32 new_start =
1702                                         dev_drv->win[i]->area[j].smem_start +
1703                                         dev_drv->win[i]->area[j].y_offset;
1704                                 u32 reg_start = dsp_addr[i][j];
1705                                 if ((rk_fb->disp_policy ==
1706                                         DISPLAY_POLICY_BOX) &&
1707                                         (dev_drv->suspend_flag))
1708                                         continue;
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 void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1734                              struct rk_fb_reg_data *regs)
1735 {
1736         int i, j;
1737         struct rk_lcdc_win *win;
1738         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1739         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1740         struct rk_fb_reg_win_data *win_data;
1741         bool wait_for_vsync;
1742         int count = 100;
1743         long timeout;
1744
1745         /* acq_fence wait */
1746         for (i = 0; i < regs->win_num; i++) {
1747                 win_data = &regs->reg_win_data[i];
1748                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1749                         if (win_data->reg_area_data[j].acq_fence) {
1750                                 /* printk("acq_fence wait!!!!!\n"); */
1751                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1752                         }
1753                 }
1754         }
1755
1756         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1757                 win = dev_drv->win[i];
1758                 win_data = rk_fb_get_win_data(regs, i);
1759                 if (win_data) {
1760                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1761                             (win_data->reg_area_data[0].data_format == YUV420 ||
1762                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1763                              win_data->reg_area_data[0].data_format == YUV420_A))
1764                                 continue;
1765                         mutex_lock(&dev_drv->win_config);
1766                         rk_fb_update_win(dev_drv, win, win_data);
1767                         win->state = 1;
1768                         dev_drv->ops->set_par(dev_drv, i);
1769                         dev_drv->ops->pan_display(dev_drv, i);
1770                         mutex_unlock(&dev_drv->win_config);
1771                 } else {
1772                         win->z_order = -1;
1773                         win->state = 0;
1774 #if defined(CONFIG_ROCKCHIP_IOMMU)
1775                         if (dev_drv->iommu_enabled) {
1776                                 for (j = 0; j < 4; j++)
1777                                         g_last_addr[i][j] = -1;
1778                         }
1779 #endif
1780                 }
1781         }
1782         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1783         dev_drv->ops->cfg_done(dev_drv);
1784
1785         do {
1786                 timestamp = dev_drv->vsync_info.timestamp;
1787                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1788                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1789                                 msecs_to_jiffies(50));
1790
1791                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1792         } while (wait_for_vsync && count--);
1793 #ifdef H_USE_FENCE
1794         sw_sync_timeline_inc(dev_drv->timeline, 1);
1795 #endif
1796
1797         if (dev_drv->front_regs) {
1798 #if defined(CONFIG_ROCKCHIP_IOMMU)
1799                 if (dev_drv->iommu_enabled) {
1800                         if (dev_drv->ops->mmu_en)
1801                                 dev_drv->ops->mmu_en(dev_drv);
1802                         freed_index = 0;
1803                         g_last_timeout = timeout;
1804                 }
1805 #endif
1806
1807                 mutex_lock(&dev_drv->front_lock);
1808
1809                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1810                         win_data = &dev_drv->front_regs->reg_win_data[i];
1811                         rk_fb_free_dma_buf(dev_drv, win_data);
1812                 }
1813                 kfree(dev_drv->front_regs);
1814
1815                 mutex_unlock(&dev_drv->front_lock);
1816
1817 #if defined(CONFIG_ROCKCHIP_IOMMU)
1818                 if (dev_drv->iommu_enabled)
1819                         freed_addr[freed_index] = 0xfefefefe;
1820 #endif
1821         }
1822
1823         mutex_lock(&dev_drv->front_lock);
1824
1825         dev_drv->front_regs = regs;
1826
1827         mutex_unlock(&dev_drv->front_lock);
1828
1829         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1830 }
1831
1832 static void rk_fb_update_regs_handler(struct kthread_work *work)
1833 {
1834         struct rk_lcdc_driver *dev_drv =
1835             container_of(work, struct rk_lcdc_driver, update_regs_work);
1836         struct rk_fb_reg_data *data, *next;
1837
1838         mutex_lock(&dev_drv->update_regs_list_lock);
1839         dev_drv->saved_list = dev_drv->update_regs_list;
1840         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1841         mutex_unlock(&dev_drv->update_regs_list_lock);
1842
1843         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1844                 rk_fb_update_reg(dev_drv, data);
1845                 list_del(&data->list);
1846         }
1847
1848         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1849                 wake_up(&dev_drv->update_regs_wait);
1850 }
1851
1852 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1853                                   struct rk_screen *screen)
1854 {
1855         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1856             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1857             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1858                 pr_err("check config var fail 0:\n"
1859                        "x_offset=%d,xact=%d,xvir=%d\n",
1860                        area_par->x_offset, area_par->xact, area_par->xvir);
1861                 return -EINVAL;
1862         }
1863
1864         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1865             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1866             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1867                 pr_warn("check config var fail 1:\n"
1868                        "xpos=%d,xsize=%d,xres=%d\n"
1869                        "ypos=%d,ysize=%d,yres=%d\n",
1870                        area_par->xpos, area_par->xsize, screen->mode.xres,
1871                        area_par->ypos, area_par->ysize, screen->mode.yres);
1872                 return -EINVAL;
1873         }
1874         return 0;
1875 }
1876
1877 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1878                                    struct rk_fb_win_cfg_data *win_data,
1879                                    struct rk_fb_reg_data *regs, u32 cmd)
1880 {
1881         int i, j;
1882         struct rk_fb_win_par *win_par;
1883         struct rk_fb_area_par *area_par;
1884         struct rk_fb_reg_win_data *reg_win_data;
1885         struct rk_fb_reg_area_data *area_data;
1886
1887         unsigned int area_support[5] = {1, 1, 1, 1, 1};
1888         if (dev_drv->ops->area_support_num)
1889                 dev_drv->ops->area_support_num(dev_drv, area_support);
1890
1891         mutex_lock(&dev_drv->output_lock);
1892         fb_dbg(1, "-------------frame start-------------\n");
1893         fb_dbg(1, "user config:\n");
1894         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1895                 win_par = &(win_data->win_par[i]);
1896                 if ((win_par->area_par[0].ion_fd <= 0) &&
1897                     (win_par->area_par[0].phy_addr <= 0))
1898                         continue;
1899                 fb_dbg(1, "win[%d]:z_order=%d,galhpa_v=%d\n",
1900                        win_par->win_id, win_par->z_order,
1901                        win_par->g_alpha_val);
1902                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1903                         area_par = &(win_par->area_par[j]);
1904                         if (((j > 0) && (area_support[i] == 1)) ||
1905                             ((win_par->area_par[j].ion_fd <= 0) &&
1906                              (win_par->area_par[j].phy_addr <= 0)))
1907                                 continue;
1908                         fb_dbg(1, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1909                                j, area_par->data_format, area_par->ion_fd,
1910                                area_par->phy_addr, area_par->x_offset,
1911                                area_par->y_offset);
1912                         fb_dbg(1, "        xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1913                                area_par->xpos, area_par->ypos,
1914                                area_par->xsize, area_par->ysize);
1915                         fb_dbg(1, "        xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1916                                area_par->xact, area_par->yact,
1917                                area_par->xvir, area_par->yvir);
1918                 }
1919         }
1920
1921         fb_dbg(2, "regs data:\n");
1922         fb_dbg(2, "win_num=%d,buf_num=%d\n",
1923                regs->win_num, regs->buf_num);
1924         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1925                 reg_win_data = &(regs->reg_win_data[i]);
1926                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
1927                         continue;
1928                 fb_dbg(2, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
1929                        reg_win_data->win_id, reg_win_data->z_order,
1930                        reg_win_data->area_num, reg_win_data->area_buf_num);
1931                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1932                         area_data = &(reg_win_data->reg_area_data[j]);
1933                         if (((j > 0) && (area_support[i] == 1)) ||
1934                             (area_data->smem_start <= 0))
1935                                 continue;
1936                         fb_dbg(2, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
1937                                j, area_data->data_format, area_data->ion_handle,
1938                                area_data->smem_start, area_data->cbr_start);
1939                         fb_dbg(2, "        yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
1940                                area_data->y_offset, area_data->c_offset,area_data->buff_len);
1941                         fb_dbg(2, "        xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1942                                area_data->xpos, area_data->ypos,
1943                                area_data->xsize, area_data->ysize);
1944                         fb_dbg(2, "        xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1945                                area_data->xact, area_data->yact,
1946                                area_data->xvir, area_data->yvir);
1947                 }
1948         }
1949         fb_dbg(1, "-------------frame end---------------\n");
1950
1951         mutex_unlock(&dev_drv->output_lock);
1952         return 0;
1953 }
1954 static int rk_fb_set_win_buffer(struct fb_info *info,
1955                                 struct rk_fb_win_par *win_par,
1956                                 struct rk_fb_reg_win_data *reg_win_data)
1957 {
1958         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1959         struct fb_fix_screeninfo *fix = &info->fix;
1960         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1961         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1962         /*if hdmi size move to hwc,screen should point to cur_screen
1963           otherwise point to screen0[main screen]*/
1964         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1965         struct fb_info *fbi;
1966         int i, ion_fd, acq_fence_fd;
1967         u32 xvir, yvir;
1968         u32 xoffset, yoffset;
1969
1970         struct ion_handle *hdl;
1971         size_t len;
1972         int index_buf;
1973         u8 fb_data_fmt;
1974         u8 pixel_width;
1975         u32 vir_width_bit;
1976         u32 stride, uv_stride;
1977         u32 stride_32bit_1;
1978         u32 stride_32bit_2;
1979         u16 uv_x_off, uv_y_off, uv_y_act;
1980         u8 is_pic_yuv = 0;
1981         u8 ppixel_a = 0, global_a = 0;
1982         ion_phys_addr_t phy_addr;
1983         int ret = 0;
1984         int buff_len;
1985
1986         reg_win_data->reg_area_data[0].smem_start = -1;
1987         reg_win_data->area_num = 0;
1988         fbi = rk_fb->fb[reg_win_data->win_id];
1989         if (win_par->area_par[0].phy_addr == 0) {
1990                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1991                         ion_fd = win_par->area_par[i].ion_fd;
1992                         if (ion_fd > 0) {
1993                                 hdl =
1994                                     ion_import_dma_buf(rk_fb->ion_client,
1995                                                        ion_fd);
1996                                 if (IS_ERR(hdl)) {
1997                                         pr_info("%s: Could not import handle:"
1998                                                 " %ld\n", __func__, (long)hdl);
1999                                         /*return -EINVAL; */
2000                                         break;
2001                                 }
2002                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2003 #ifndef CONFIG_ROCKCHIP_IOMMU
2004                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2005                                                 &len);
2006 #else
2007                                 if (dev_drv->iommu_enabled)
2008                                         ret = ion_map_iommu(dev_drv->dev,
2009                                                                 rk_fb->ion_client,
2010                                                                 hdl,
2011                                                                 (unsigned long *)&phy_addr,
2012                                                                 (unsigned long *)&len);
2013                                 else
2014                                         ret = ion_phys(rk_fb->ion_client, hdl,
2015                                                         &phy_addr, &len);
2016 #endif
2017                                 if (ret < 0) {
2018                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2019                                         ion_free(rk_fb->ion_client, hdl);
2020                                         return -ENOMEM;
2021                                 }
2022                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2023                                 reg_win_data->area_num++;
2024                                 reg_win_data->area_buf_num++;
2025                                 reg_win_data->reg_area_data[i].index_buf = 1;
2026                                 reg_win_data->reg_area_data[i].buff_len = len;
2027                         }
2028                 }
2029         } else {
2030                 reg_win_data->reg_area_data[0].smem_start =
2031                     win_par->area_par[0].phy_addr;
2032                 reg_win_data->area_num = 1;
2033                 reg_win_data->area_buf_num++;
2034                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2035         }
2036
2037         if (reg_win_data->area_num == 0) {
2038                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2039                         reg_win_data->reg_area_data[i].smem_start = 0;
2040                 reg_win_data->z_order = -1;
2041                 reg_win_data->win_id = -1;
2042                 return 0;
2043         }
2044
2045         for (i = 0; i < reg_win_data->area_num; i++) {
2046                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2047                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2048                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2049                         reg_win_data->reg_area_data[i].acq_fence =
2050                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2051                 }
2052         }
2053         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2054                 reg_win_data->z_order = win_par->z_order;
2055                 reg_win_data->win_id = win_par->win_id;
2056         } else {
2057                 reg_win_data->z_order = -1;
2058                 reg_win_data->win_id = -1;
2059         }
2060
2061         reg_win_data->mirror_en = win_par->mirror_en;
2062         for (i = 0; i < reg_win_data->area_num; i++) {
2063                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2064
2065                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
2066                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2067                 if (fb_data_fmt >= FBDC_RGB_565) {
2068                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2069                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2070                 } else {
2071                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2072                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2073                 }
2074                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2075
2076                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2077                              (fb_data_fmt == FBDC_ARGB_888) ||
2078                              (fb_data_fmt == FBDC_ABGR_888) ||
2079                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2080                 /* visiable pos in panel */
2081                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2082                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2083
2084                 /* realy size in panel */
2085                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2086                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2087
2088                 /* realy size in panel */
2089                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2090                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2091
2092                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2093                 yoffset = win_par->area_par[i].y_offset;
2094                 reg_win_data->reg_area_data[i].xoff = xoffset;
2095                 reg_win_data->reg_area_data[i].yoff = yoffset;
2096
2097                 xvir = win_par->area_par[i].xvir;
2098                 reg_win_data->reg_area_data[i].xvir = xvir;
2099                 yvir = win_par->area_par[i].yvir;
2100                 reg_win_data->reg_area_data[i].yvir = yvir;
2101
2102                 vir_width_bit = pixel_width * xvir;
2103                 /* pixel_width = byte_num*8 */
2104                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2105                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2106
2107                 stride = stride_32bit_1;        /* default rgb */
2108                 fix->line_length = stride;
2109                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2110
2111                 /* x y mirror ,jump line
2112                  * reg_win_data->reg_area_data[i].y_offset =
2113                  *              yoffset*stride+xoffset*pixel_width/8;
2114                  */
2115                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2116                         if (screen->interlace == 1) {
2117                                 reg_win_data->reg_area_data[i].y_offset =
2118                                     yoffset * stride * 2 +
2119                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2120                                     xoffset * pixel_width / 8;
2121                         } else {
2122                                 reg_win_data->reg_area_data[i].y_offset =
2123                                     yoffset * stride +
2124                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2125                                     xoffset * pixel_width / 8;
2126                         }
2127                 } else {
2128                         if (screen->interlace == 1) {
2129                                 reg_win_data->reg_area_data[i].y_offset =
2130                                     yoffset * stride * 2 +
2131                                     xoffset * pixel_width / 8;
2132                         } else {
2133                                 reg_win_data->reg_area_data[i].y_offset =
2134                                     yoffset * stride +
2135                                     xoffset * pixel_width / 8;
2136                         }
2137                 }
2138                 if ((fb_data_fmt != YUV420) &&
2139                     (fb_data_fmt != YUV420_NV21) &&
2140                     (fb_data_fmt != YUV422) &&
2141                     (fb_data_fmt != YUV444) &&
2142                     dev_drv->iommu_enabled) {
2143                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2144                                 reg_win_data->reg_area_data[i].xvir *
2145                                 reg_win_data->reg_area_data[i].yact *
2146                                 pixel_width / 8 -
2147                                 reg_win_data->reg_area_data[i].xoff*
2148                                 pixel_width / 8;
2149                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2150                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2151                                        "yact[%d]*bpp[%d]"
2152                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2153                                        fb_data_fmt,
2154                                        reg_win_data->reg_area_data[i].xvir,
2155                                        reg_win_data->reg_area_data[i].yact,
2156                                        pixel_width, buff_len,
2157                                        reg_win_data->reg_area_data[i].buff_len);
2158                 }
2159         }
2160
2161         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2162         reg_win_data->alpha_en = ppixel_a | global_a;
2163         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2164         reg_win_data->alpha_mode = win_par->alpha_mode;
2165
2166         switch (fb_data_fmt) {
2167         case YUV422:
2168         case YUV422_A:
2169                 is_pic_yuv = 1;
2170                 stride = stride_32bit_1;
2171                 uv_stride = stride_32bit_1 >> 1;
2172                 uv_x_off = xoffset >> 1;
2173                 uv_y_off = yoffset;
2174                 fix->line_length = stride;
2175                 uv_y_act = win_par->area_par[0].yact >> 1;
2176                 break;
2177         case YUV420:            /* nv12 */
2178         case YUV420_NV21:       /* nv21 */
2179         case YUV420_A:
2180                 is_pic_yuv = 1;
2181                 stride = stride_32bit_1;
2182                 uv_stride = stride_32bit_1;
2183                 uv_x_off = xoffset;
2184                 uv_y_off = yoffset >> 1;
2185                 fix->line_length = stride;
2186                 uv_y_act = win_par->area_par[0].yact >> 1;
2187                 break;
2188         case YUV444:
2189         case YUV444_A:
2190                 is_pic_yuv = 1;
2191                 stride = stride_32bit_1;
2192                 uv_stride = stride_32bit_2;
2193                 uv_x_off = xoffset * 2;
2194                 uv_y_off = yoffset;
2195                 fix->line_length = stride << 2;
2196                 uv_y_act = win_par->area_par[0].yact;
2197                 break;
2198         default:
2199                 break;
2200         }
2201         if (is_pic_yuv == 1) {
2202                 reg_win_data->reg_area_data[0].cbr_start =
2203                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2204                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2205                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2206                         if (screen->interlace == 1) {
2207                                 reg_win_data->reg_area_data[0].c_offset =
2208                                     uv_y_off * uv_stride * 2 +
2209                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2210                                     uv_x_off * pixel_width / 8;
2211                         } else {
2212                                 reg_win_data->reg_area_data[0].c_offset =
2213                                     uv_y_off * uv_stride +
2214                                     (uv_y_act - 1) * uv_stride +
2215                                     uv_x_off * pixel_width / 8;
2216                         }
2217                 } else {
2218                         if (screen->interlace == 1) {
2219                                 reg_win_data->reg_area_data[0].c_offset =
2220                                     uv_y_off * uv_stride * 2 +
2221                                     uv_x_off * pixel_width / 8;
2222                         } else {
2223                                 reg_win_data->reg_area_data[0].c_offset =
2224                                     uv_y_off * uv_stride +
2225                                     uv_x_off * pixel_width / 8;
2226                         }
2227                 }
2228                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2229                         reg_win_data->reg_area_data[0].c_offset +
2230                         reg_win_data->reg_area_data[0].xvir *
2231                         reg_win_data->reg_area_data[0].yact *
2232                         pixel_width / 16 -
2233                         reg_win_data->reg_area_data[0].smem_start -
2234                         reg_win_data->reg_area_data[0].xoff*
2235                         pixel_width / 16 ;
2236                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2237                      dev_drv->iommu_enabled)
2238                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2239                                "yact[%d]*bpp[%d]"
2240                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2241                                fb_data_fmt,
2242                                reg_win_data->reg_area_data[0].xvir,
2243                                reg_win_data->reg_area_data[0].yact,
2244                                pixel_width, buff_len,
2245                                reg_win_data->reg_area_data[0].buff_len);
2246         }
2247
2248         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2249          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2250          */
2251         info->var.yoffset = yoffset;
2252         info->var.xoffset = xoffset;
2253         return 0;
2254 }
2255
2256 static int rk_fb_set_win_config(struct fb_info *info,
2257                                 struct rk_fb_win_cfg_data *win_data)
2258 {
2259         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2260         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2261         struct rk_fb_reg_data *regs;
2262 #ifdef H_USE_FENCE
2263         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2264         struct sync_fence *retire_fence;
2265         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2266         struct sync_pt *retire_sync_pt;
2267         char fence_name[20];
2268 #endif
2269         int ret = 0, i, j = 0;
2270         int list_is_empty = 0;
2271         struct rk_screen *screen = dev_drv->cur_screen;
2272
2273         mutex_lock(&dev_drv->output_lock);
2274
2275         for (i = 0; i < 4; i++) {
2276                 for (j = 0; j < 4; j++) {
2277                         if (win_data->win_par[i].area_par[j].ion_fd > 0)
2278                                 ret += rk_fb_check_config_var(
2279                                         &win_data->win_par[i].area_par[j],
2280                                         screen);
2281                 }
2282         }
2283         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2284                 dev_drv->timeline_max++;
2285                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2286                 if (dev_drv->suspend_flag)
2287                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2288                 else if (dev_drv->hdmi_switch)
2289                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2290                 else
2291                         pr_err("error config ,ignore\n");
2292                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2293                         win_data->rel_fence_fd[j] = -1;
2294                 win_data->ret_fence_fd = -1;
2295                 goto err;
2296         }
2297
2298         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2299         if (!regs) {
2300                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2301                 ret = -ENOMEM;
2302                 goto err;
2303         }
2304
2305         for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2306                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2307                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2308                                                  &regs->reg_win_data[j])) {
2309                                 ret = -ENOMEM;
2310                                 goto err2;
2311                         }
2312                         if (regs->reg_win_data[j].area_num > 0) {
2313                                 regs->win_num++;
2314                                 regs->buf_num +=
2315                                     regs->reg_win_data[j].area_buf_num;
2316                         }
2317                         j++;
2318                 } else {
2319                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2320                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2321                                win_data->win_par[i].win_id);
2322                 }
2323         }
2324
2325         if (regs->win_num <= 0)
2326                 goto err_null_frame;
2327
2328         dev_drv->timeline_max++;
2329 #ifdef H_USE_FENCE
2330         win_data->ret_fence_fd = get_unused_fd();
2331         if (win_data->ret_fence_fd < 0) {
2332                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2333                 win_data->ret_fence_fd = -1;
2334                 ret = -EFAULT;
2335                 goto err2;
2336         }
2337         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2338                 if (i < regs->buf_num) {
2339                         sprintf(fence_name, "fence%d", i);
2340                         win_data->rel_fence_fd[i] = get_unused_fd();
2341                         if (win_data->rel_fence_fd[i] < 0) {
2342                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2343                                        win_data->rel_fence_fd[i]);
2344                                 ret = -EFAULT;
2345                                 goto err2;
2346                         }
2347                         release_sync_pt[i] =
2348                             sw_sync_pt_create(dev_drv->timeline,
2349                                               dev_drv->timeline_max);
2350                         release_fence[i] =
2351                             sync_fence_create(fence_name, release_sync_pt[i]);
2352                         sync_fence_install(release_fence[i],
2353                                            win_data->rel_fence_fd[i]);
2354                 } else {
2355                         win_data->rel_fence_fd[i] = -1;
2356                 }
2357         }
2358
2359         retire_sync_pt =
2360             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2361         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2362         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2363 #else
2364         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2365                 win_data->rel_fence_fd[i] = -1;
2366
2367         win_data->ret_fence_fd = -1;
2368 #endif
2369         if (dev_drv->wait_fs == 0) {
2370                 mutex_lock(&dev_drv->update_regs_list_lock);
2371                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2372                 mutex_unlock(&dev_drv->update_regs_list_lock);
2373                 queue_kthread_work(&dev_drv->update_regs_worker,
2374                                    &dev_drv->update_regs_work);
2375         } else {
2376                 mutex_lock(&dev_drv->update_regs_list_lock);
2377                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2378                                         list_empty(&dev_drv->saved_list);
2379                 mutex_unlock(&dev_drv->update_regs_list_lock);
2380                 if (!list_is_empty) {
2381                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2382                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2383                                 msecs_to_jiffies(60));
2384                         if (ret > 0)
2385                                 rk_fb_update_reg(dev_drv, regs);
2386                         else
2387                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2388                 } else if (ret == 0) {
2389                         rk_fb_update_reg(dev_drv, regs);
2390                 }
2391         }
2392
2393 err:
2394         mutex_unlock(&dev_drv->output_lock);
2395         if (rk_fb_debug_lvl > 0)
2396                 rk_fb_config_debug(dev_drv,win_data, regs, 0);
2397         return ret;
2398 err_null_frame:
2399         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2400                 win_data->rel_fence_fd[j] = -1;
2401         win_data->ret_fence_fd = -1;
2402         pr_info("win num = %d,null frame\n", regs->win_num);
2403 err2:
2404         kfree(regs);
2405         mutex_unlock(&dev_drv->output_lock);
2406
2407         return ret;
2408 }
2409
2410 #if 1
2411 static int cfgdone_distlist[10] = { 0 };
2412
2413 static int cfgdone_index;
2414 static int cfgdone_lasttime;
2415
2416 int rk_get_real_fps(int before)
2417 {
2418         struct timespec now;
2419         int dist_curr;
2420         int dist_total = 0;
2421         int dist_count = 0;
2422         int dist_first = 0;
2423
2424         int index = cfgdone_index;
2425         int i = 0, fps = 0;
2426         int total;
2427
2428         if (before > 100)
2429                 before = 100;
2430         if (before < 0)
2431                 before = 0;
2432
2433         getnstimeofday(&now);
2434         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2435                         cfgdone_lasttime;
2436         total = dist_curr;
2437         /*
2438            printk("fps: ");
2439          */
2440         for (i = 0; i < 10; i++) {
2441                 if (--index < 0)
2442                         index = 9;
2443                 total += cfgdone_distlist[index];
2444                 if (i == 0)
2445                         dist_first = cfgdone_distlist[index];
2446                 if (total < (before * 1000)) {
2447                         /*
2448                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2449                          */
2450                         dist_total += cfgdone_distlist[index];
2451                         dist_count++;
2452                 } else {
2453                         break;
2454                 }
2455         }
2456
2457         /*
2458            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2459          */
2460         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2461         dist_total += dist_curr;
2462         dist_count++;
2463
2464         if (dist_total > 0)
2465                 fps = (1000000 * dist_count) / dist_total;
2466         else
2467                 fps = 60;
2468
2469         /*
2470            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2471          */
2472         return fps;
2473 }
2474 EXPORT_SYMBOL(rk_get_real_fps);
2475
2476 #endif
2477 #ifdef CONFIG_ROCKCHIP_IOMMU
2478 #define ION_MAX 10
2479 static struct ion_handle *ion_hanle[ION_MAX];
2480 static struct ion_handle *ion_hwc[1];
2481 #endif
2482 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2483                        unsigned long arg)
2484 {
2485         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2486         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2487         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2488         struct fb_fix_screeninfo *fix = &info->fix;
2489         struct rk_lcdc_win *win;
2490         int enable;     /* enable fb:1 enable;0 disable */
2491         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2492         int num_buf;    /* buffer_number */
2493         int ret;
2494         struct rk_fb_win_cfg_data win_data;
2495         unsigned int dsp_addr[4][4];
2496         int list_stat;
2497
2498         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2499
2500         void __user *argp = (void __user *)arg;
2501         win = dev_drv->win[win_id];
2502
2503         switch (cmd) {
2504         case RK_FBIOSET_HWC_ADDR:
2505         {
2506                 u32 hwc_phy[1];
2507                 if (copy_from_user(hwc_phy, argp, 4))
2508                         return -EFAULT;
2509 #ifdef CONFIG_ROCKCHIP_IOMMU
2510                 if (!dev_drv->iommu_enabled) {
2511 #endif
2512                         fix->smem_start = hwc_phy[0];
2513 #ifdef CONFIG_ROCKCHIP_IOMMU
2514                 } else {
2515                         int usr_fd;
2516                         struct ion_handle *hdl;
2517                         ion_phys_addr_t phy_addr;
2518                         size_t len;
2519
2520                         usr_fd = hwc_phy[0];
2521                         if (!usr_fd) {
2522                                 fix->smem_start = 0;
2523                                 fix->mmio_start = 0;
2524                                 dev_drv->ops->open(dev_drv, win_id, 0);
2525                                 break;
2526                         }
2527
2528                         if (ion_hwc[0] != 0) {
2529                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2530                                 ion_hwc[0] = 0;
2531                         }
2532
2533                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2534                         if (IS_ERR(hdl)) {
2535                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2536                                         PTR_ERR(hdl));
2537                                 return -EFAULT;
2538                         }
2539
2540                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2541                                                 (unsigned long *)&phy_addr,
2542                                                 (unsigned long *)&len);
2543                         if (ret < 0) {
2544                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2545                                 ion_free(rk_fb->ion_client, hdl);
2546                                 return -ENOMEM;
2547                         }
2548                         fix->smem_start = phy_addr;
2549                         ion_hwc[0] = hdl;
2550                 }
2551 #endif
2552                 break;
2553         }
2554         case RK_FBIOSET_YUV_ADDR:
2555                 {
2556                         u32 yuv_phy[2];
2557
2558                         if (copy_from_user(yuv_phy, argp, 8))
2559                                 return -EFAULT;
2560                         #ifdef CONFIG_ROCKCHIP_IOMMU
2561                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2562                         #endif
2563                                 fix->smem_start = yuv_phy[0];
2564                                 fix->mmio_start = yuv_phy[1];
2565                         #ifdef CONFIG_ROCKCHIP_IOMMU
2566                         } else {
2567                                 int usr_fd, offset, tmp;
2568                                 struct ion_handle *hdl;
2569                                 ion_phys_addr_t phy_addr;
2570                                 size_t len;
2571
2572                                 usr_fd = yuv_phy[0];
2573                                 offset = yuv_phy[1] - yuv_phy[0];
2574                                 if (!usr_fd) {
2575                                         fix->smem_start = 0;
2576                                         fix->mmio_start = 0;
2577                                         break;
2578                                 }
2579
2580                                 if (ion_hanle[ION_MAX - 1] != 0) {
2581                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2582                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2583                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2584                                         ion_hanle[ION_MAX - 1] = 0;
2585                                 }
2586
2587                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2588                                 if (IS_ERR(hdl)) {
2589                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2590                                                 PTR_ERR(hdl));
2591                                         return -EFAULT;
2592                                 }
2593
2594                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2595                                                         (unsigned long *)&phy_addr,
2596                                                         (unsigned long *)&len);
2597                                 if (ret < 0) {
2598                                         dev_err(info->dev, "ion map to get phy addr failed");
2599                                         ion_free(rk_fb->ion_client, hdl);
2600                                         return -ENOMEM;
2601                                 }
2602                                 fix->smem_start = phy_addr;
2603                                 fix->mmio_start = phy_addr + offset;
2604                                 fix->smem_len = len;
2605                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2606
2607                                 ion_hanle[0] = hdl;
2608                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2609                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2610                                 ion_hanle[0] = 0;
2611                         }
2612                         #endif
2613                         break;
2614                 }
2615         case RK_FBIOSET_ENABLE:
2616                 if (copy_from_user(&enable, argp, sizeof(enable)))
2617                         return -EFAULT;
2618                                 if (enable && fb_par->state)
2619                                         fb_par->state++;
2620                                 else
2621                                         fb_par->state--;
2622                 dev_drv->ops->open(dev_drv, win_id, enable);
2623                 break;
2624         case RK_FBIOGET_ENABLE:
2625                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2626                 if (copy_to_user(argp, &enable, sizeof(enable)))
2627                         return -EFAULT;
2628                 break;
2629         case RK_FBIOSET_OVERLAY_STA:
2630                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2631                         return -EFAULT;
2632                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2633                 break;
2634         case RK_FBIOGET_OVERLAY_STA:
2635                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2636                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2637                         return -EFAULT;
2638                 break;
2639         case RK_FBIOPUT_NUM_BUFFERS:
2640                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2641                         return -EFAULT;
2642                 dev_drv->num_buf = num_buf;
2643                 break;
2644         case RK_FBIOSET_VSYNC_ENABLE:
2645                 if (copy_from_user(&enable, argp, sizeof(enable)))
2646                         return -EFAULT;
2647                 dev_drv->vsync_info.active = enable;
2648                 break;
2649
2650         case RK_FBIOGET_DSP_ADDR:
2651                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2652                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2653                         return -EFAULT;
2654                 break;
2655         case RK_FBIOGET_LIST_STA:
2656                 list_stat = rk_fb_get_list_stat(dev_drv);
2657                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2658                         return -EFAULT;
2659
2660                 break;
2661         case RK_FBIOGET_IOMMU_STA:
2662                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2663                                  sizeof(dev_drv->iommu_enabled)))
2664                         return -EFAULT;
2665                 break;
2666 #if defined(CONFIG_ION_ROCKCHIP)
2667         case RK_FBIOSET_DMABUF_FD:
2668                 {
2669                         int usr_fd;
2670                         struct ion_handle *hdl;
2671                         ion_phys_addr_t phy_addr;
2672                         size_t len;
2673                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2674                                 return -EFAULT;
2675                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2676                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2677                         fix->smem_start = phy_addr;
2678                         break;
2679                 }
2680         case RK_FBIOGET_DMABUF_FD:
2681                 {
2682                         int fd = -1;
2683
2684                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2685                                 dev_err(info->dev,
2686                                         "get dma_buf fd failed,ion handle is err\n");
2687                                 return PTR_ERR(fb_par->ion_hdl);
2688                         }
2689                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2690                                                   fb_par->ion_hdl);
2691                         if (fd < 0) {
2692                                 dev_err(info->dev,
2693                                         "ion_share_dma_buf_fd failed\n");
2694                                 return fd;
2695                         }
2696                         if (copy_to_user(argp, &fd, sizeof(fd)))
2697                                 return -EFAULT;
2698                         break;
2699                 }
2700 #endif
2701         case RK_FBIOSET_CLEAR_FB:
2702                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2703                 break;
2704         case RK_FBIOSET_CONFIG_DONE:
2705                 {
2706                         int curr = 0;
2707                         struct timespec now;
2708
2709                         getnstimeofday(&now);
2710                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2711                         cfgdone_distlist[cfgdone_index++] =
2712                             curr - cfgdone_lasttime;
2713                         /*
2714                            printk("%d ", curr - cfgdone_lasttime);
2715                          */
2716                         cfgdone_lasttime = curr;
2717                         if (cfgdone_index >= 10)
2718                                 cfgdone_index = 0;
2719                 }
2720                 if (copy_from_user(&win_data,
2721                                    (struct rk_fb_win_cfg_data __user *)argp,
2722                                    sizeof(win_data))) {
2723                         ret = -EFAULT;
2724                         break;
2725                 };
2726
2727                 dev_drv->wait_fs = win_data.wait_fs;
2728                 rk_fb_set_win_config(info, &win_data);
2729
2730                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2731                                  &win_data, sizeof(win_data))) {
2732                         ret = -EFAULT;
2733                         break;
2734                 }
2735                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2736                 break;
2737         default:
2738                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2739                 break;
2740         }
2741
2742         return 0;
2743 }
2744
2745 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2746 {
2747         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2748         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2749         struct fb_fix_screeninfo *fix = &info->fix;
2750         int win_id;
2751 #if defined(CONFIG_RK_HDMI)
2752         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2753 #endif
2754
2755         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2756         if (win_id < 0)
2757                 return -ENODEV;
2758         mutex_lock(&dev_drv->switch_screen);
2759 #if defined(CONFIG_RK_HDMI)
2760         if ((rk_fb->disp_mode == ONE_DUAL) &&
2761             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2762                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2763         } else
2764 #endif
2765         {
2766                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2767         }
2768         mutex_unlock(&dev_drv->switch_screen);
2769         return 0;
2770 }
2771
2772 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2773 {
2774         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2775             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2776             ((16 != var->bits_per_pixel) &&
2777             (32 != var->bits_per_pixel) &&
2778             (24 != var->bits_per_pixel))) {
2779                 dev_err(info->dev, "%s check var fail 1:\n"
2780                         "xres_vir:%d>>yres_vir:%d\n"
2781                         "xres:%d>>yres:%d\n"
2782                         "bits_per_pixel:%d\n",
2783                         info->fix.id,
2784                         var->xres_virtual,
2785                         var->yres_virtual,
2786                         var->xres, var->yres, var->bits_per_pixel);
2787                 return -EINVAL;
2788         }
2789
2790         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2791             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2792                 dev_err(info->dev, "%s check_var fail 2:\n"
2793                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2794                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2795                         info->fix.id,
2796                         var->xoffset,
2797                         var->xres,
2798                         var->xres_virtual,
2799                         var->yoffset, var->yres, var->yres_virtual);
2800                 return -EINVAL;
2801         }
2802
2803         return 0;
2804 }
2805
2806 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2807                           size_t count, loff_t *ppos)
2808 {
2809         unsigned long p = *ppos;
2810         u8 *buffer, *dst;
2811         u8 __iomem *src;
2812         int c, cnt = 0, err = 0;
2813         unsigned long total_size;
2814         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2815         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2816         struct rk_lcdc_win *win = NULL;
2817         int win_id = 0;
2818
2819         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2820         if (win_id < 0)
2821                 return -ENODEV;
2822         else
2823                 win = dev_drv->win[win_id];
2824
2825         /* only read the current frame buffer */
2826         if (win->area[0].format == RGB565) {
2827                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2828         } else if ((win->area[0].format == YUV420) ||
2829                    (win->area[0].format == YUV420_NV21)) {
2830                 total_size =
2831                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2832         } else {
2833                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2834         }
2835         if (p >= total_size)
2836                 return 0;
2837
2838         if (count >= total_size)
2839                 count = total_size;
2840
2841         if (count + p > total_size)
2842                 count = total_size - p;
2843
2844         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2845         if (!buffer)
2846                 return -ENOMEM;
2847
2848         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2849
2850         while (count) {
2851                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2852                 dst = buffer;
2853                 fb_memcpy_fromfb(dst, src, c);
2854                 dst += c;
2855                 src += c;
2856
2857                 if (copy_to_user(buf, buffer, c)) {
2858                         err = -EFAULT;
2859                         break;
2860                 }
2861                 *ppos += c;
2862                 buf += c;
2863                 cnt += c;
2864                 count -= c;
2865         }
2866
2867         kfree(buffer);
2868
2869         return (err) ? err : cnt;
2870 }
2871
2872 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2873                            size_t count, loff_t *ppos)
2874 {
2875         unsigned long p = *ppos;
2876         u8 *buffer, *src;
2877         u8 __iomem *dst;
2878         int c, cnt = 0, err = 0;
2879         unsigned long total_size;
2880         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2881         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2882         struct rk_lcdc_win *win = NULL;
2883         int win_id = 0;
2884
2885         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2886         if (win_id < 0)
2887                 return -ENODEV;
2888         else
2889                 win = dev_drv->win[win_id];
2890
2891         /* write the current frame buffer */
2892         if (win->area[0].format == RGB565)
2893                 total_size = win->area[0].xact * win->area[0].yact << 1;
2894         else
2895                 total_size = win->area[0].xact * win->area[0].yact << 2;
2896
2897         if (p > total_size)
2898                 return -EFBIG;
2899
2900         if (count > total_size) {
2901                 err = -EFBIG;
2902                 count = total_size;
2903         }
2904
2905         if (count + p > total_size) {
2906                 if (!err)
2907                         err = -ENOSPC;
2908
2909                 count = total_size - p;
2910         }
2911
2912         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2913         if (!buffer)
2914                 return -ENOMEM;
2915
2916         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2917
2918         while (count) {
2919                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2920                 src = buffer;
2921
2922                 if (copy_from_user(src, buf, c)) {
2923                         err = -EFAULT;
2924                         break;
2925                 }
2926
2927                 fb_memcpy_tofb(dst, src, c);
2928                 dst += c;
2929                 src += c;
2930                 *ppos += c;
2931                 buf += c;
2932                 cnt += c;
2933                 count -= c;
2934         }
2935
2936         kfree(buffer);
2937
2938         return (cnt) ? cnt : err;
2939 }
2940
2941 static int rk_fb_set_par(struct fb_info *info)
2942 {
2943         struct fb_var_screeninfo *var = &info->var;
2944         struct fb_fix_screeninfo *fix = &info->fix;
2945         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2946         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2947         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2948         struct rk_lcdc_win *win = NULL;
2949         struct rk_screen *screen = dev_drv->cur_screen;
2950         int win_id = 0;
2951         u32 cblen = 0, crlen = 0;
2952         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2953         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2954         u32 yoffset = var->yoffset;
2955         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2956         u16 ypos = (var->nonstd >> 20) & 0xfff;
2957         u32 xvir = var->xres_virtual;
2958         u32 yvir = var->yres_virtual;
2959         u8 data_format = var->nonstd & 0xff;
2960         u8 fb_data_fmt;
2961         u8 pixel_width;
2962         u32 vir_width_bit;
2963         u32 stride, uv_stride;
2964         u32 stride_32bit_1;
2965         u32 stride_32bit_2;
2966         u16 uv_x_off, uv_y_off, uv_y_act;
2967         u8 is_pic_yuv = 0;
2968         /*var->pixclock = dev_drv->pixclock;*/
2969         if (dev_drv->suspend_flag)
2970                 return 0;
2971         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2972         if (win_id < 0)
2973                 return -ENODEV;
2974         else
2975                 win = dev_drv->win[win_id];
2976
2977         /* if the application has specific the horizontal and vertical display size */
2978         if (var->grayscale >> 8) {
2979                 xsize = (var->grayscale >> 8) & 0xfff;
2980                 ysize = (var->grayscale >> 20) & 0xfff;
2981                 if (xsize > screen->mode.xres)
2982                         xsize = screen->mode.xres;
2983                 if (ysize > screen->mode.yres)
2984                         ysize = screen->mode.yres;
2985         } else {                /*ohterwise  full  screen display */
2986                 xsize = screen->mode.xres;
2987                 ysize = screen->mode.yres;
2988         }
2989
2990         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2991         if (fb_data_fmt >= FBDC_RGB_565) {
2992                 win->area[0].fbdc_en = 1;
2993                 win->area[0].fbdc_cor_en = 1;
2994         } else {
2995                 win->area[0].fbdc_en = 0;
2996                 win->area[0].fbdc_cor_en = 0;
2997         }
2998         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2999         vir_width_bit = pixel_width * xvir;
3000         /* pixel_width = byte_num * 8 */
3001         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3002         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3003
3004         switch (fb_data_fmt) {
3005         case YUV422:
3006         case YUV422_A:
3007                 is_pic_yuv = 1;
3008                 stride = stride_32bit_1;
3009                 uv_stride = stride_32bit_1 >> 1;
3010                 uv_x_off = xoffset >> 1;
3011                 uv_y_off = yoffset;
3012                 fix->line_length = stride;
3013                 cblen = crlen = (xvir * yvir) >> 1;
3014                 uv_y_act = win->area[0].yact >> 1;
3015                 break;
3016         case YUV420:            /* nv12 */
3017         case YUV420_NV21:       /* nv21 */
3018         case YUV420_A:
3019                 is_pic_yuv = 1;
3020                 stride = stride_32bit_1;
3021                 uv_stride = stride_32bit_1;
3022                 uv_x_off = xoffset;
3023                 uv_y_off = yoffset >> 1;
3024                 fix->line_length = stride;
3025                 cblen = crlen = (xvir * yvir) >> 2;
3026                 uv_y_act = win->area[0].yact >> 1;
3027                 break;
3028         case YUV444:
3029         case YUV444_A:
3030                 is_pic_yuv = 1;
3031                 stride = stride_32bit_1;
3032                 uv_stride = stride_32bit_2;
3033                 uv_x_off = xoffset * 2;
3034                 uv_y_off = yoffset;
3035                 fix->line_length = stride << 2;
3036                 cblen = crlen = (xvir * yvir);
3037                 uv_y_act = win->area[0].yact;
3038                 break;
3039         default:
3040                 stride = stride_32bit_1;        /* default rgb */
3041                 fix->line_length = stride;
3042                 break;
3043         }
3044
3045         win->area[0].format = fb_data_fmt;
3046         win->area[0].y_vir_stride = stride >> 2;
3047         win->area[0].uv_vir_stride = uv_stride >> 2;
3048         win->area[0].xpos = xpos;
3049         win->area[0].ypos = ypos;
3050         win->area[0].xsize = xsize;
3051         win->area[0].ysize = ysize;
3052         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3053         win->area[0].yact = var->yres;
3054         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3055         win->area[0].yvir = var->yres_virtual;
3056         win->area[0].xoff = xoffset;
3057         win->area[0].yoff = yoffset;
3058
3059         win->area_num = 1;
3060         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3061         win->alpha_en = ((win->area[0].format == ARGB888) ||
3062                          (win->area[0].format == FBDC_ARGB_888) ||
3063                          (win->area[0].format == FBDC_ABGR_888) ||
3064                          (win->area[0].format == ABGR888)) ? 1 : 0;
3065         win->g_alpha_val = 0;
3066
3067         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
3068             (win->area[0].format == YUV420 ||
3069              win->area[0].format == YUV420_NV21 ||
3070              win->area[0].format == YUV420_A)) {
3071                 win->state = 1;
3072                 win->z_order = 0;
3073         }
3074         dev_drv->ops->set_par(dev_drv, win_id);
3075
3076         return 0;
3077 }
3078
3079 static inline unsigned int chan_to_field(unsigned int chan,
3080                                          struct fb_bitfield *bf)
3081 {
3082         chan &= 0xffff;
3083         chan >>= 16 - bf->length;
3084         return chan << bf->offset;
3085 }
3086
3087 static int fb_setcolreg(unsigned regno,
3088                         unsigned red, unsigned green, unsigned blue,
3089                         unsigned transp, struct fb_info *info)
3090 {
3091         unsigned int val;
3092
3093         switch (info->fix.visual) {
3094         case FB_VISUAL_TRUECOLOR:
3095                 /* true-colour, use pseudo-palette */
3096                 if (regno < 16) {
3097                         u32 *pal = info->pseudo_palette;
3098                         val = chan_to_field(red, &info->var.red);
3099                         val |= chan_to_field(green, &info->var.green);
3100                         val |= chan_to_field(blue, &info->var.blue);
3101                         pal[regno] = val;
3102                 }
3103                 break;
3104         default:
3105                 return -1;      /* unknown type */
3106         }
3107
3108         return 0;
3109 }
3110
3111 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3112 {
3113         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3114         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3115         struct ion_handle *handle = fb_par->ion_hdl;
3116         struct dma_buf *dma_buf = NULL;
3117
3118         if (IS_ERR_OR_NULL(handle)) {
3119                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3120                         PTR_ERR(handle));
3121                 return -ENOMEM;
3122         }
3123         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3124         if (IS_ERR_OR_NULL(dma_buf)) {
3125                 printk("get ion share dma buf failed\n");
3126                 return -ENOMEM;
3127         }
3128
3129         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3130
3131         return dma_buf_mmap(dma_buf, vma, 0);
3132 }
3133
3134 static struct fb_ops fb_ops = {
3135         .owner = THIS_MODULE,
3136         .fb_open = rk_fb_open,
3137         .fb_release = rk_fb_close,
3138         .fb_check_var = rk_fb_check_var,
3139         .fb_set_par = rk_fb_set_par,
3140         .fb_blank = rk_fb_blank,
3141         .fb_ioctl = rk_fb_ioctl,
3142         .fb_compat_ioctl = rk_fb_ioctl,
3143         .fb_pan_display = rk_fb_pan_display,
3144         .fb_read = rk_fb_read,
3145         .fb_write = rk_fb_write,
3146         .fb_setcolreg = fb_setcolreg,
3147         .fb_fillrect = cfb_fillrect,
3148         .fb_copyarea = cfb_copyarea,
3149         .fb_imageblit = cfb_imageblit,
3150 };
3151
3152 static struct fb_var_screeninfo def_var = {
3153 #if defined(CONFIG_LOGO_LINUX_BMP)
3154         .red = {16, 8, 0},
3155         .green = {8, 8, 0},
3156         .blue = {0, 8, 0},
3157         .transp = {0, 0, 0},
3158         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3159 #else
3160         .red = {11, 5, 0},
3161         .green = {5, 6, 0},
3162         .blue = {0, 5, 0},
3163         .transp = {0, 0, 0},
3164         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3165 #endif
3166         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3167         .activate = FB_ACTIVATE_NOW,
3168         .accel_flags = 0,
3169         .vmode = FB_VMODE_NONINTERLACED,
3170 };
3171
3172 static struct fb_fix_screeninfo def_fix = {
3173         .type = FB_TYPE_PACKED_PIXELS,
3174         .type_aux = 0,
3175         .xpanstep = 1,
3176         .ypanstep = 1,
3177         .ywrapstep = 0,
3178         .accel = FB_ACCEL_NONE,
3179         .visual = FB_VISUAL_TRUECOLOR,
3180
3181 };
3182
3183 static int rk_fb_wait_for_vsync_thread(void *data)
3184 {
3185         struct rk_lcdc_driver *dev_drv = data;
3186         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3187         struct fb_info *fbi = rk_fb->fb[0];
3188
3189         while (!kthread_should_stop()) {
3190                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3191                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3192                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3193                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3194
3195                 if (!ret)
3196                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3197         }
3198
3199         return 0;
3200 }
3201
3202 static ssize_t rk_fb_vsync_show(struct device *dev,
3203                                 struct device_attribute *attr, char *buf)
3204 {
3205         struct fb_info *fbi = dev_get_drvdata(dev);
3206         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3207         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3208         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3209                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3210 }
3211
3212 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3213
3214 /*
3215  * this two function is for other module that in the kernel which
3216  * need show image directly through fb
3217  * fb_id:we have 4 fb here,default we use fb0 for ui display
3218  */
3219 struct fb_info *rk_get_fb(int fb_id)
3220 {
3221         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3222         struct fb_info *fb = inf->fb[fb_id];
3223         return fb;
3224 }
3225 EXPORT_SYMBOL(rk_get_fb);
3226
3227 void rk_direct_fb_show(struct fb_info *fbi)
3228 {
3229         rk_fb_set_par(fbi);
3230         rk_fb_pan_display(&fbi->var, fbi);
3231 }
3232 EXPORT_SYMBOL(rk_direct_fb_show);
3233
3234 int rk_fb_dpi_open(bool open)
3235 {
3236         struct rk_lcdc_driver *dev_drv = NULL;
3237         dev_drv = rk_get_prmry_lcdc_drv();
3238
3239         if (dev_drv->ops->dpi_open)
3240                 dev_drv->ops->dpi_open(dev_drv, open);
3241         return 0;
3242 }
3243
3244 int rk_fb_dpi_win_sel(int win_id)
3245 {
3246         struct rk_lcdc_driver *dev_drv = NULL;
3247         dev_drv = rk_get_prmry_lcdc_drv();
3248
3249         if (dev_drv->ops->dpi_win_sel)
3250                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3251         return 0;
3252 }
3253
3254 int rk_fb_dpi_status(void)
3255 {
3256         int ret = 0;
3257         struct rk_lcdc_driver *dev_drv = NULL;
3258
3259         dev_drv = rk_get_prmry_lcdc_drv();
3260         if (dev_drv->ops->dpi_status)
3261                 ret = dev_drv->ops->dpi_status(dev_drv);
3262
3263         return ret;
3264 }
3265
3266 /*
3267  * function: this function will be called by display device, enable/disable lcdc
3268  * @screen: screen timing to be set to lcdc
3269  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3270  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3271  */
3272 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3273 {
3274         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3275         struct fb_info *info = NULL;
3276         struct rk_fb_par *fb_par = NULL;
3277         struct rk_lcdc_driver *dev_drv = NULL;
3278         char name[6] = {0};
3279         int i, win_id, load_screen = 0;
3280         char *envp[3];
3281
3282         if (unlikely(!rk_fb) || unlikely(!screen))
3283                 return -ENODEV;
3284
3285         /* get lcdc driver */
3286         sprintf(name, "lcdc%d", lcdc_id);
3287         if (rk_fb->disp_mode != DUAL)
3288                 dev_drv = rk_fb->lcdc_dev_drv[0];
3289         else
3290                 dev_drv = rk_get_lcdc_drv(name);
3291
3292         if (dev_drv == NULL) {
3293                 printk(KERN_ERR "%s driver not found!", name);
3294                 return -ENODEV;
3295         }
3296         if (screen->type == SCREEN_HDMI)
3297                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3298                         dev_drv->id);
3299         else if (screen->type == SCREEN_TVOUT ||
3300                      screen->type == SCREEN_TVOUT_TEST )
3301                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3302                         dev_drv->id);
3303         if (enable == 2 /*&& dev_drv->enable*/)
3304                 return 0;
3305         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3306                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3307
3308         mutex_lock(&dev_drv->switch_screen);
3309         hdmi_switch_state = 0;
3310         dev_drv->hdmi_switch = 1;
3311         if (!dev_drv->uboot_logo)
3312                 mdelay(200);
3313
3314         envp[0] = "switch screen";
3315         envp[1] = kmalloc(32, GFP_KERNEL);
3316         if (envp[1] == NULL) {
3317                 pr_err("switch screen kmalloc envp[1] fail\n");
3318                 mutex_unlock(&dev_drv->switch_screen);
3319                 return 0;
3320         }
3321         sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3322         envp[2] = NULL;
3323
3324         if ((rk_fb->disp_mode == ONE_DUAL) ||
3325             (rk_fb->disp_mode == NO_DUAL)) {
3326                 if ((dev_drv->ops->backlight_close) &&
3327                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3328                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3329                         dev_drv->ops->backlight_close(dev_drv, 1);
3330                 if (dev_drv->ops->dsp_black)
3331                         dev_drv->ops->dsp_black(dev_drv, 1);
3332                 if ((dev_drv->ops->set_screen_scaler) &&
3333                     (rk_fb->disp_mode == ONE_DUAL))
3334                         dev_drv->ops->set_screen_scaler(dev_drv,
3335                                                         dev_drv->screen0, 0);
3336         }
3337         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3338                dev_drv->uboot_logo = 0;
3339         if (!enable) {
3340                 /* if screen type is different, we do not disable lcdc. */
3341                 if (dev_drv->cur_screen->type != screen->type) {
3342                         dev_drv->hdmi_switch = 0;
3343                         mutex_unlock(&dev_drv->switch_screen);
3344                         kfree(envp[1]);
3345                         return 0;
3346                 }
3347
3348                 /* if used one lcdc to dual disp, no need to close win */
3349                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3350                     ((rk_fb->disp_mode == NO_DUAL) &&
3351                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3352                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3353                         dev_drv->cur_screen = dev_drv->screen0;
3354                         dev_drv->ops->load_screen(dev_drv, 1);
3355                         /* force modify dsp size */
3356                         info = rk_fb->fb[dev_drv->fb_index_base];
3357                         info->var.grayscale &= 0xff;
3358                         info->var.grayscale |=
3359                                 (dev_drv->cur_screen->mode.xres << 8) +
3360                                 (dev_drv->cur_screen->mode.yres << 20);
3361                         mutex_lock(&dev_drv->win_config);
3362                         info->var.yoffset = 0;
3363                         info->fbops->fb_set_par(info);
3364                         info->fbops->fb_pan_display(&info->var, info);
3365                         mutex_unlock(&dev_drv->win_config);
3366
3367                         /*if (dev_drv->ops->dsp_black)
3368                                 dev_drv->ops->dsp_black(dev_drv, 0);*/
3369                         if ((dev_drv->ops->backlight_close) &&
3370                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3371                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3372                                 dev_drv->ops->backlight_close(dev_drv, 0);
3373                 } else if (rk_fb->num_lcdc > 1) {
3374                         /* If there is more than one lcdc device, we disable
3375                            the layer which attached to this device */
3376                         dev_drv->suspend_flag = 1;
3377                         flush_kthread_worker(&dev_drv->update_regs_worker);
3378                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3379                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3380                                         dev_drv->ops->open(dev_drv, i, 0);
3381                         }
3382                 }
3383                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3384                 kfree(envp[1]);
3385
3386                 hdmi_switch_state = 0;
3387                 dev_drv->hdmi_switch = 0;
3388                 mutex_unlock(&dev_drv->switch_screen);
3389                 return 0;
3390         } else {
3391                 if (dev_drv->screen1)
3392                         dev_drv->cur_screen = dev_drv->screen1;
3393
3394                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3395                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3396                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3397                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3398                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3399         }
3400         if ((!dev_drv->uboot_logo) ||
3401             ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3402             (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3403                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3404                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3405                         fb_par = (struct rk_fb_par *)info->par;
3406                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3407                         if (dev_drv->win[win_id]) {
3408                                 if (fb_par->state) {
3409                                         if (!dev_drv->win[win_id]->state) {
3410                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3411                                                 dev_drv->suspend_flag = 0;
3412                                         }
3413                                         if (!load_screen) {
3414                                                 dev_drv->ops->load_screen(dev_drv, 1);
3415                                                 load_screen = 1;
3416                                         }
3417                                         info->var.activate |= FB_ACTIVATE_FORCE;
3418                                         if (rk_fb->disp_mode == ONE_DUAL) {
3419                                                 info->var.grayscale &= 0xff;
3420                                                 info->var.grayscale |=
3421                                                         (dev_drv->cur_screen->xsize << 8) +
3422                                                         (dev_drv->cur_screen->ysize << 20);
3423                                         }
3424
3425                                         mutex_lock(&dev_drv->win_config);
3426                                         info->var.yoffset = 0;
3427                                         info->fbops->fb_set_par(info);
3428                                         info->fbops->fb_pan_display(&info->var, info);
3429                                         mutex_unlock(&dev_drv->win_config);
3430                                 }
3431                         }
3432                 }
3433         }else {
3434                 dev_drv->uboot_logo = 0;
3435         }
3436         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3437         kfree(envp[1]);
3438
3439         hdmi_switch_state = 1;
3440         dev_drv->hdmi_switch = 0;
3441         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3442                 if ((dev_drv->ops->set_screen_scaler) &&
3443                     (rk_fb->disp_mode == ONE_DUAL))
3444                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3445                 /*if (dev_drv->ops->dsp_black)
3446                         dev_drv->ops->dsp_black(dev_drv, 0);*/
3447                 if ((dev_drv->ops->backlight_close) &&
3448                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3449                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
3450                     (rk_fb->disp_mode == ONE_DUAL))
3451                         dev_drv->ops->backlight_close(dev_drv, 0);
3452         }
3453         mutex_unlock(&dev_drv->switch_screen);
3454         return 0;
3455 }
3456
3457 /*
3458  * function:this function current only called by hdmi for
3459  *      scale the display
3460  * scale_x: scale rate of x resolution
3461  * scale_y: scale rate of y resolution
3462  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3463  */
3464 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3465 {
3466         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3467         struct fb_info *info = NULL;
3468         struct fb_info *pmy_info = NULL;
3469         struct fb_var_screeninfo *var = NULL;
3470         struct rk_lcdc_driver *dev_drv = NULL;
3471         u16 screen_x, screen_y;
3472         u16 xpos, ypos;
3473         char name[6];
3474         struct rk_screen primary_screen;
3475         rk_fb_get_prmry_screen(&primary_screen);
3476         if (primary_screen.type == SCREEN_HDMI) {
3477                 return 0;
3478         }
3479         pr_err("fuck not be hear--%s\n",__func__);
3480
3481         return 0;
3482         sprintf(name, "lcdc%d", lcdc_id);
3483
3484         if (inf->disp_mode == DUAL) {
3485                 dev_drv = rk_get_lcdc_drv(name);
3486                 if (dev_drv == NULL) {
3487                         printk(KERN_ERR "%s driver not found!", name);
3488                         return -ENODEV;
3489                 }
3490         } else {
3491                 dev_drv = inf->lcdc_dev_drv[0];
3492         }
3493
3494         if (inf->num_lcdc == 1) {
3495                 info = inf->fb[0];
3496         } else if (inf->num_lcdc == 2) {
3497                 info = inf->fb[dev_drv->lcdc_win_num];
3498                 pmy_info = inf->fb[0];
3499         }
3500
3501         var = &info->var;
3502         screen_x = dev_drv->cur_screen->mode.xres;
3503         screen_y = dev_drv->cur_screen->mode.yres;
3504
3505         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3506                 dev_drv->cur_screen->xpos =
3507                     (screen_x - screen_x * scale_x / 100) >> 1;
3508                 dev_drv->cur_screen->ypos =
3509                     (screen_y - screen_y * scale_y / 100) >> 1;
3510                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3511                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3512         } else {
3513                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3514                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3515                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3516                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3517                 if (inf->disp_mode == ONE_DUAL) {
3518                         var->nonstd &= 0xff;
3519                         var->nonstd |= (xpos << 8) + (ypos << 20);
3520                         var->grayscale &= 0xff;
3521                         var->grayscale |=
3522                                 (dev_drv->cur_screen->xsize << 8) +
3523                                 (dev_drv->cur_screen->ysize << 20);
3524                 }
3525         }
3526
3527         mutex_lock(&dev_drv->win_config);
3528         info->fbops->fb_set_par(info);
3529         dev_drv->ops->cfg_done(dev_drv);
3530         mutex_unlock(&dev_drv->win_config);
3531
3532         return 0;
3533 }
3534
3535 #if defined(CONFIG_ION_ROCKCHIP)
3536 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3537                                      struct rk_lcdc_win *win,
3538                                      unsigned long fb_mem_size)
3539 {
3540         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3541         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3542         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3543         struct ion_handle *handle;
3544         ion_phys_addr_t phy_addr;
3545         size_t len;
3546         int ret = 0;
3547
3548         if (dev_drv->iommu_enabled)
3549                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3550                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3551         else
3552                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3553                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3554         if (IS_ERR(handle)) {
3555                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3556                         PTR_ERR(handle));
3557                 return -ENOMEM;
3558         }
3559
3560         fb_par->ion_hdl = handle;
3561         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3562         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3563                 printk("ion_share_dma_buf() failed\n");
3564                 goto err_share_dma_buf;
3565         }
3566         win->area[0].ion_hdl = handle;
3567         if (dev_drv->prop == PRMRY)
3568                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3569 #ifdef CONFIG_ROCKCHIP_IOMMU
3570         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3571                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3572                                         (unsigned long *)&phy_addr,
3573                                         (unsigned long *)&len);
3574         else
3575                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3576 #else
3577         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3578 #endif
3579         if (ret < 0) {
3580                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3581                 goto err_share_dma_buf;
3582         }
3583         fbi->fix.smem_start = phy_addr;
3584         fbi->fix.smem_len = len;
3585         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3586         return 0;
3587
3588 err_share_dma_buf:
3589         ion_free(rk_fb->ion_client, handle);
3590         return -ENOMEM;
3591 }
3592 #endif
3593
3594 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3595 {
3596         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3597         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3598         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3599         struct rk_lcdc_win *win = NULL;
3600         int win_id;
3601         int ret = 0;
3602         unsigned long fb_mem_size;
3603 #if !defined(CONFIG_ION_ROCKCHIP)
3604         dma_addr_t fb_mem_phys;
3605         void *fb_mem_virt;
3606 #endif
3607
3608         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3609         if (win_id < 0)
3610                 return -ENODEV;
3611         else
3612                 win = dev_drv->win[win_id];
3613
3614         if (!strcmp(fbi->fix.id, "fb0")) {
3615                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3616 #if defined(CONFIG_ION_ROCKCHIP)
3617                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3618                         return -ENOMEM;
3619 #else
3620                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3621                                                      &fb_mem_phys, GFP_KERNEL);
3622                 if (!fb_mem_virt) {
3623                         pr_err("%s: Failed to allocate framebuffer\n",
3624                                __func__);
3625                         return -ENOMEM;
3626                 }
3627                 fbi->fix.smem_len = fb_mem_size;
3628                 fbi->fix.smem_start = fb_mem_phys;
3629                 fbi->screen_base = fb_mem_virt;
3630 #endif
3631                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3632         } else {
3633                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3634                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3635                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3636         }
3637
3638         fbi->screen_size = fbi->fix.smem_len;
3639         fb_par->fb_phy_base = fbi->fix.smem_start;
3640         fb_par->fb_virt_base = fbi->screen_base;
3641         fb_par->fb_size = fbi->fix.smem_len;
3642
3643         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3644                        fbi->fix.smem_start, fbi->screen_base,
3645                        fbi->fix.smem_len);
3646         return ret;
3647 }
3648
3649 #if 0
3650 static int rk_release_fb_buffer(struct fb_info *fbi)
3651 {
3652         /* buffer for fb1 and fb3 are alloc by android */
3653         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3654                 return 0;
3655         iounmap(fbi->screen_base);
3656         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3657         return 0;
3658 }
3659 #endif
3660
3661 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3662                          struct rk_lcdc_win *def_win)
3663 {
3664         int i;
3665         int lcdc_win_num = dev_drv->lcdc_win_num;
3666
3667         for (i = 0; i < lcdc_win_num; i++) {
3668                 struct rk_lcdc_win *win = NULL;
3669                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3670                 if (!win) {
3671                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3672                         return -ENOMEM;
3673                 }
3674
3675                 strcpy(win->name, def_win[i].name);
3676                 win->id = def_win[i].id;
3677                 win->support_3d = def_win[i].support_3d;
3678                 dev_drv->win[i] = win;
3679         }
3680
3681         return 0;
3682 }
3683
3684 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3685                                    struct rk_lcdc_win *def_win, int index)
3686 {
3687         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3688         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3689                                                 sizeof(struct rk_screen),
3690                                                 GFP_KERNEL);
3691
3692         if (!screen) {
3693                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3694                         dev_drv->id);
3695                 return -ENOMEM;
3696         }
3697
3698         screen->screen_id = 0;
3699         screen->lcdc_id = dev_drv->id;
3700         screen->overscan.left = 100;
3701         screen->overscan.top = 100;
3702         screen->overscan.right = 100;
3703         screen->overscan.bottom = 100;
3704
3705         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3706         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3707
3708         dev_drv->screen0 = screen;
3709         dev_drv->cur_screen = screen;
3710         /* devie use one lcdc + rk61x scaler for dual display */
3711         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3712                 struct rk_screen *screen1 =
3713                                 devm_kzalloc(dev_drv->dev,
3714                                              sizeof(struct rk_screen),
3715                                              GFP_KERNEL);
3716                 if (!screen1) {
3717                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3718                                 dev_drv->id);
3719                         return -ENOMEM;
3720                 }
3721                 screen1->screen_id = 1;
3722                 screen1->lcdc_id = 1;
3723                 dev_drv->screen1 = screen1;
3724         }
3725         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3726         init_lcdc_win(dev_drv, def_win);
3727         init_completion(&dev_drv->frame_done);
3728         spin_lock_init(&dev_drv->cpl_lock);
3729         mutex_init(&dev_drv->fb_win_id_mutex);
3730         mutex_init(&dev_drv->win_config);
3731         mutex_init(&dev_drv->front_lock);
3732         mutex_init(&dev_drv->switch_screen);
3733         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3734         dev_drv->first_frame = 1;
3735         dev_drv->overscan.left = 100;
3736         dev_drv->overscan.top = 100;
3737         dev_drv->overscan.right = 100;
3738         dev_drv->overscan.bottom = 100;
3739         rk_disp_pwr_ctr_parse_dt(dev_drv);
3740         if (dev_drv->prop == PRMRY) {
3741                 rk_fb_set_prmry_screen(screen);
3742                 rk_fb_get_prmry_screen(screen);
3743         }
3744         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3745         if (dev_drv->prop != PRMRY)
3746                 rk_fb_get_prmry_screen(screen);
3747         dev_drv->output_color = screen->color_mode;
3748
3749         return 0;
3750 }
3751
3752 #ifdef CONFIG_LOGO_LINUX_BMP
3753 static struct linux_logo *bmp_logo;
3754 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3755 {
3756         bmp_logo = fb_find_logo(24);
3757         if (bmp_logo == NULL) {
3758                 printk(KERN_INFO "%s error\n", __func__);
3759                 return 0;
3760         }
3761         return 1;
3762 }
3763
3764 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3765 {
3766         unsigned char *src = bmp_logo->data;
3767         unsigned char *dst = info->screen_base;
3768         int i;
3769         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3770         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3771
3772         for (i = 0; i < Needheight; i++)
3773                 memcpy(dst + info->var.xres * i * 4,
3774                        src + bmp_logo->width * i * 4, Needwidth * 4);
3775 }
3776 #endif
3777
3778 /*
3779  * check if the primary lcdc has registerd,
3780  * the primary lcdc mas register first
3781  */
3782 bool is_prmry_rk_lcdc_registered(void)
3783 {
3784         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3785
3786         if (rk_fb->lcdc_dev_drv[0])
3787                 return true;
3788         else
3789                 return false;
3790 }
3791
3792 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3793                    struct rk_lcdc_win *win, int id)
3794 {
3795         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3796         struct fb_info *fbi;
3797         struct rk_fb_par *fb_par = NULL;
3798         int i = 0, ret = 0, index = 0;
3799
3800         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3801                 return -ENXIO;
3802
3803         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3804                 if (!rk_fb->lcdc_dev_drv[i]) {
3805                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3806                         rk_fb->lcdc_dev_drv[i]->id = id;
3807                         rk_fb->num_lcdc++;
3808                         break;
3809                 }
3810         }
3811
3812         index = i;
3813         init_lcdc_device_driver(rk_fb, win, index);
3814         dev_drv->fb_index_base = rk_fb->num_fb;
3815         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3816                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3817                 if (!fbi) {
3818                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3819                         ret = -ENOMEM;
3820                 }
3821                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3822                                       GFP_KERNEL);
3823                 if (!fb_par) {
3824                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3825                                 rk_fb->num_fb);
3826                         return -ENOMEM;
3827                 }
3828                 fb_par->id = rk_fb->num_fb;
3829                 fb_par->lcdc_drv = dev_drv;
3830                 fbi->par = (void *)fb_par;
3831                 fbi->var = def_var;
3832                 fbi->fix = def_fix;
3833                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3834                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3835                 fbi->var.grayscale |=
3836                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3837 #if defined(CONFIG_LOGO_LINUX_BMP)
3838                 fbi->var.bits_per_pixel = 32;
3839 #else
3840                 fbi->var.bits_per_pixel = 16;
3841 #endif
3842                 fbi->fix.line_length =
3843                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3844                 fbi->var.width = dev_drv->cur_screen->width;
3845                 fbi->var.height = dev_drv->cur_screen->height;
3846                 if (dev_drv->iommu_enabled)
3847                         fb_ops.fb_mmap = rk_fb_mmap;
3848                 fbi->fbops = &fb_ops;
3849                 fbi->flags = FBINFO_FLAG_DEFAULT;
3850                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3851                 ret = register_framebuffer(fbi);
3852                 if (ret < 0) {
3853                         dev_err(&fb_pdev->dev,
3854                                 "%s fb%d register_framebuffer fail!\n",
3855                                 __func__, rk_fb->num_fb);
3856                         return ret;
3857                 }
3858                 rkfb_create_sysfs(fbi);
3859                 rk_fb->fb[rk_fb->num_fb] = fbi;
3860                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3861                          fbi->fix.id);
3862                 rk_fb->num_fb++;
3863
3864                 if (i == 0) {
3865                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3866                         init_waitqueue_head(&dev_drv->update_regs_wait);
3867                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3868                         if (ret)
3869                                 dev_err(fbi->dev,
3870                                         "failed to create vsync file\n");
3871                         dev_drv->vsync_info.thread =
3872                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3873                                         "fb-vsync");
3874                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3875                                 dev_err(fbi->dev,
3876                                         "failed to run vsync thread\n");
3877                                 dev_drv->vsync_info.thread = NULL;
3878                         }
3879                         dev_drv->vsync_info.active = 1;
3880
3881                         mutex_init(&dev_drv->output_lock);
3882
3883                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3884                         mutex_init(&dev_drv->update_regs_list_lock);
3885                         init_kthread_worker(&dev_drv->update_regs_worker);
3886
3887                         dev_drv->update_regs_thread =
3888                             kthread_run(kthread_worker_fn,
3889                                         &dev_drv->update_regs_worker, "rk-fb");
3890                         if (IS_ERR(dev_drv->update_regs_thread)) {
3891                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3892                                 dev_drv->update_regs_thread = NULL;
3893
3894                                 printk("failed to run update_regs thread\n");
3895                                 return err;
3896                         }
3897                         init_kthread_work(&dev_drv->update_regs_work,
3898                                           rk_fb_update_regs_handler);
3899
3900                         dev_drv->timeline =
3901                             sw_sync_timeline_create("fb-timeline");
3902                         dev_drv->timeline_max = 1;
3903                 }
3904         }
3905
3906         /* show logo for primary display device */
3907 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3908         if (dev_drv->prop == PRMRY) {
3909                 u16 xact, yact;
3910                 int format;
3911                 u32 dsp_addr;
3912                 struct fb_info *main_fbi = rk_fb->fb[0];
3913                 main_fbi->fbops->fb_open(main_fbi, 1);
3914                 main_fbi->var.pixclock = dev_drv->pixclock;
3915 #if defined(CONFIG_ROCKCHIP_IOMMU)
3916                 if (dev_drv->iommu_enabled) {
3917                         if (dev_drv->mmu_dev)
3918                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3919                                                 rk_fb_sysmmu_fault_handler);
3920                 }
3921 #endif
3922
3923                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3924                 dev_drv->uboot_logo = support_uboot_display();
3925
3926                 if (dev_drv->uboot_logo &&
3927                     uboot_logo_offset && uboot_logo_base) {
3928                         int width, height, bits;
3929                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3930                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3931                         unsigned int nr_pages;
3932                         struct page **pages;
3933                         char *vaddr;
3934                         int i = 0;
3935
3936                         if (dev_drv->ops->get_dspbuf_info)
3937                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3938                                         &yact, &format, &dsp_addr);
3939                         nr_pages = size >> PAGE_SHIFT;
3940                         pages = kzalloc(sizeof(struct page) * nr_pages,
3941                                         GFP_KERNEL);
3942                         while (i < nr_pages) {
3943                                 pages[i] = phys_to_page(start);
3944                                 start += PAGE_SIZE;
3945                                 i++;
3946                         }
3947                         vaddr = vmap(pages, nr_pages, VM_MAP,
3948                                         pgprot_writecombine(PAGE_KERNEL));
3949                         if (!vaddr) {
3950                                 pr_err("failed to vmap phy addr 0x%lx\n",
3951                                        (long)(uboot_logo_base +
3952                                        uboot_logo_offset));
3953                                 return -1;
3954                         }
3955
3956                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3957                                       &height, &bits)) {
3958                                 kfree(pages);
3959                                 vunmap(vaddr);
3960                                 return 0;
3961                         }
3962                         kfree(pages);
3963                         vunmap(vaddr);
3964                         if (dev_drv->uboot_logo &&
3965                             (width != xact || height != yact)) {
3966                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3967                                         xact, yact, width, height);
3968                                 return 0;
3969                         }
3970
3971                         if (dev_drv->ops->post_dspbuf) {
3972                                 dev_drv->ops->post_dspbuf(dev_drv,
3973                                         main_fbi->fix.smem_start,
3974                                         rk_fb_data_fmt(0, bits),
3975                                         width, height, width * bits >> 5);
3976                         }
3977                         if (dev_drv->iommu_enabled) {
3978                                 rk_fb_poll_wait_frame_complete();
3979                                 if (dev_drv->ops->mmu_en)
3980                                         dev_drv->ops->mmu_en(dev_drv);
3981                                 freed_index = 0;
3982                         }
3983
3984                         return 0;
3985                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3986                         u32 start = uboot_logo_base;
3987                         u32 start_base = start;
3988                         int logo_len, i=0;
3989                         unsigned int nr_pages;
3990                         struct page **pages;
3991                         char *vaddr;
3992
3993                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3994                                                       &yact, &format,
3995                                                       &start);
3996                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3997                         if (logo_len > uboot_logo_size ||
3998                             logo_len > main_fbi->fix.smem_len) {
3999                                 pr_err("logo size > uboot reserve buffer size\n");
4000                                 return -1;
4001                         }
4002
4003                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
4004                         pages = kzalloc(sizeof(struct page) * nr_pages,
4005                                         GFP_KERNEL);
4006                         while (i < nr_pages) {
4007                                 pages[i] = phys_to_page(start);
4008                                 start += PAGE_SIZE;
4009                                 i++;
4010                         }
4011                         vaddr = vmap(pages, nr_pages, VM_MAP,
4012                                         pgprot_writecombine(PAGE_KERNEL));
4013                         if (!vaddr) {
4014                                 pr_err("failed to vmap phy addr 0x%x\n",
4015                                        start_base);
4016                                 return -1;
4017                         }
4018
4019                         memcpy(main_fbi->screen_base, vaddr, logo_len);
4020
4021                         kfree(pages);
4022                         vunmap(vaddr);
4023
4024                         dev_drv->ops->post_dspbuf(dev_drv,
4025                                         main_fbi->fix.smem_start,
4026                                         format, xact, yact,
4027                                         xact * rk_fb_pixel_width(format) >> 5);
4028                         if (dev_drv->iommu_enabled) {
4029                                 rk_fb_poll_wait_frame_complete();
4030                                 if (dev_drv->ops->mmu_en)
4031                                         dev_drv->ops->mmu_en(dev_drv);
4032                                 freed_index = 0;
4033                         }
4034                         return 0;
4035                 } else {
4036                         if (dev_drv->iommu_enabled) {
4037                                 if (dev_drv->ops->mmu_en)
4038                                         dev_drv->ops->mmu_en(dev_drv);
4039                                 freed_index = 0;
4040                         }
4041                 }
4042 #if defined(CONFIG_LOGO)
4043                 main_fbi->fbops->fb_set_par(main_fbi);
4044 #if  defined(CONFIG_LOGO_LINUX_BMP)
4045                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4046                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4047                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4048                 }
4049 #else
4050                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4051                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4052                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4053                 }
4054 #endif
4055                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4056 #endif
4057         } else {
4058                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4059                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4060                 rk_fb_alloc_buffer(extend_fbi);
4061         }
4062 #endif
4063         return 0;
4064 }
4065
4066 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4067 {
4068         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4069         struct fb_info *fbi;
4070         int fb_index_base = dev_drv->fb_index_base;
4071         int fb_num = dev_drv->lcdc_win_num;
4072         int i = 0;
4073
4074         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4075                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4076                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4077         }
4078
4079         for (i = 0; i < fb_num; i++)
4080                 kfree(dev_drv->win[i]);
4081
4082         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4083                 fbi = fb_inf->fb[i];
4084                 unregister_framebuffer(fbi);
4085                 /* rk_release_fb_buffer(fbi); */
4086                 framebuffer_release(fbi);
4087         }
4088         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4089         fb_inf->num_lcdc--;
4090
4091         return 0;
4092 }
4093
4094 static int rk_fb_probe(struct platform_device *pdev)
4095 {
4096         struct rk_fb *rk_fb = NULL;
4097         struct device_node *np = pdev->dev.of_node;
4098         u32 mode;
4099
4100         if (!np) {
4101                 dev_err(&pdev->dev, "Missing device tree node.\n");
4102                 return -EINVAL;
4103         }
4104
4105         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4106         if (!rk_fb) {
4107                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4108                 return -ENOMEM;
4109         }
4110         platform_set_drvdata(pdev, rk_fb);
4111
4112         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4113                 rk_fb->disp_mode = mode;
4114
4115         } else {
4116                 dev_err(&pdev->dev, "no disp-mode node found!");
4117                 return -ENODEV;
4118         }
4119
4120         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4121                 rk_fb->disp_policy = mode;
4122                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4123         }
4124
4125         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4126                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4127
4128         dev_set_name(&pdev->dev, "rockchip-fb");
4129 #if defined(CONFIG_ION_ROCKCHIP)
4130         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4131         if (IS_ERR(rk_fb->ion_client)) {
4132                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4133                 return PTR_ERR(rk_fb->ion_client);
4134         } else {
4135                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4136         }
4137 #endif
4138
4139         fb_pdev = pdev;
4140         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4141         return 0;
4142 }
4143
4144 static int rk_fb_remove(struct platform_device *pdev)
4145 {
4146         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4147
4148         kfree(rk_fb);
4149         platform_set_drvdata(pdev, NULL);
4150         return 0;
4151 }
4152
4153 static void rk_fb_shutdown(struct platform_device *pdev)
4154 {
4155         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4156         int i;
4157
4158         for (i = 0; i < rk_fb->num_lcdc; i++) {
4159                 if (!rk_fb->lcdc_dev_drv[i])
4160                         continue;
4161                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4162         }
4163 }
4164
4165 static const struct of_device_id rkfb_dt_ids[] = {
4166         {.compatible = "rockchip,rk-fb",},
4167         {}
4168 };
4169
4170 static struct platform_driver rk_fb_driver = {
4171         .probe = rk_fb_probe,
4172         .remove = rk_fb_remove,
4173         .driver = {
4174                    .name = "rk-fb",
4175                    .owner = THIS_MODULE,
4176                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4177                    },
4178         .shutdown = rk_fb_shutdown,
4179 };
4180
4181 static int __init rk_fb_init(void)
4182 {
4183         return platform_driver_register(&rk_fb_driver);
4184 }
4185
4186 static void __exit rk_fb_exit(void)
4187 {
4188         platform_driver_unregister(&rk_fb_driver);
4189 }
4190
4191 fs_initcall(rk_fb_init);
4192 module_exit(rk_fb_exit);