drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <linux/vmalloc.h>
  28 #include <asm/div64.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/rk_fb.h>
  31 #include <linux/linux_logo.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/regulator/consumer.h>
  34
  35 #include "bmp_helper.h"
  36
  37 #if defined(CONFIG_RK_HDMI)
  38 #include "hdmi/rockchip-hdmi.h"
  39 #endif
  40
  41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  42 #include "rga/rga.h"
  43 #endif
  44
  45 #ifdef CONFIG_OF
  46 #include <linux/of.h>
  47 #include <linux/of_platform.h>
  48 #include <linux/of_gpio.h>
  49 #include <video/of_display_timing.h>
  50 #include <video/display_timing.h>
  51 #endif
  52
  53 #if defined(CONFIG_ION_ROCKCHIP)
  54 #include <linux/rockchip_ion.h>
  55 #include <linux/rockchip-iovmm.h>
  56 #include <linux/dma-buf.h>
  57 #include <linux/highmem.h>
  58 #endif
  59
  60 #define H_USE_FENCE 1
  61 /* #define FB_ROATE_BY_KERNEL 1 */
  62
  63 static int hdmi_switch_state;
  64 static struct platform_device *fb_pdev;
  65
  66 #if defined(CONFIG_FB_MIRRORING)
  67 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
  68 EXPORT_SYMBOL(video_data_to_mirroring);
  69 #endif
  70
  71 extern phys_addr_t uboot_logo_base;
  72 extern phys_addr_t uboot_logo_size;
  73 extern phys_addr_t uboot_logo_offset;
  74 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  75 static struct rk_fb_trsm_ops *trsm_edp_ops;
  76 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  77 static int uboot_logo_on;
  78
  79 static int rk_fb_debug_lvl;
  80 static int rk_fb_iommu_debug;
  81 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
  82 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
  83
  84 #define rk_fb_dbg(level, x...) do {             \
  85         if (unlikely(rk_fb_debug_lvl >= level)) \
  86                 pr_info(x);                     \
  87         } while (0)
  88 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
  89                               struct rk_fb_win_cfg_data *win_data,
  90                               struct rk_fb_reg_data *regs, u32 cmd);
  91 int support_uboot_display(void)
  92 {
  93         return uboot_logo_on;
  94 }
  95
  96 int rk_fb_get_display_policy(void)
  97 {
  98         struct rk_fb *rk_fb;
  99
 100         if (fb_pdev) {
 101                 rk_fb = platform_get_drvdata(fb_pdev);
 102                 return rk_fb->disp_policy;
 103         } else {
 104                 return DISPLAY_POLICY_SDK;
 105         }
 106 }
 107
 108 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 109 {
 110         switch (type) {
 111         case SCREEN_RGB:
 112         case SCREEN_LVDS:
 113         case SCREEN_DUAL_LVDS:
 114         case SCREEN_LVDS_10BIT:
 115         case SCREEN_DUAL_LVDS_10BIT:
 116                 trsm_lvds_ops = ops;
 117                 break;
 118         case SCREEN_EDP:
 119                 trsm_edp_ops = ops;
 120                 break;
 121         case SCREEN_MIPI:
 122         case SCREEN_DUAL_MIPI:
 123                 trsm_mipi_ops = ops;
 124                 break;
 125         default:
 126                 pr_warn("%s: unsupported transmitter: %d!\n",
 127                         __func__, type);
 128                 break;
 129         }
 130         return 0;
 131 }
 132
 133 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 134 {
 135         struct rk_fb_trsm_ops *ops;
 136
 137         switch (type) {
 138         case SCREEN_RGB:
 139         case SCREEN_LVDS:
 140         case SCREEN_DUAL_LVDS:
 141         case SCREEN_LVDS_10BIT:
 142         case SCREEN_DUAL_LVDS_10BIT:
 143                 ops = trsm_lvds_ops;
 144                 break;
 145         case SCREEN_EDP:
 146                 ops = trsm_edp_ops;
 147                 break;
 148         case SCREEN_MIPI:
 149         case SCREEN_DUAL_MIPI:
 150                 ops = trsm_mipi_ops;
 151                 break;
 152         default:
 153                 ops = NULL;
 154                 pr_warn("%s: unsupported transmitter: %d!\n",
 155                         __func__, type);
 156                 break;
 157         }
 158         return ops;
 159 }
 160
 161 int rk_fb_pixel_width(int data_format)
 162 {
 163         int pixel_width;
 164
 165         switch (data_format) {
 166         case XBGR888:
 167         case XRGB888:
 168         case ABGR888:
 169         case ARGB888:
 170         case FBDC_ARGB_888:
 171         case FBDC_ABGR_888:
 172         case FBDC_RGBX_888:
 173                 pixel_width = 4 * 8;
 174                 break;
 175         case RGB888:
 176         case BGR888:
 177                 pixel_width = 3 * 8;
 178                 break;
 179         case RGB565:
 180         case BGR565:
 181         case FBDC_RGB_565:
 182                 pixel_width = 2 * 8;
 183                 break;
 184         case YUV422:
 185         case YUV420:
 186         case YUV420_NV21:
 187         case YUV444:
 188                 pixel_width = 1 * 8;
 189                 break;
 190         case YUV422_A:
 191         case YUV420_A:
 192         case YUV444_A:
 193                 pixel_width = 8;
 194                 break;
 195         case YUYV422:
 196         case UYVY422:
 197         case YUYV420:
 198         case UYVY420:
 199                 pixel_width = 16;
 200                 break;
 201         default:
 202                 pr_warn("%s: unsupported format: 0x%x\n",
 203                         __func__, data_format);
 204                 return -EINVAL;
 205         }
 206         return pixel_width;
 207 }
 208
 209 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 210 {
 211         int fb_data_fmt = 0;
 212
 213         if (data_format) {
 214                 switch (data_format) {
 215                 case HAL_PIXEL_FORMAT_RGBX_8888:
 216                         fb_data_fmt = XBGR888;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_BGRX_8888:
 219                         fb_data_fmt = XRGB888;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_RGBA_8888:
 222                         fb_data_fmt = ABGR888;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_BGRA_8888:
 225                         fb_data_fmt = ARGB888;
 226                         break;
 227                 case HAL_PIXEL_FORMAT_RGB_888:
 228                         fb_data_fmt = RGB888;
 229                         break;
 230                 case HAL_PIXEL_FORMAT_BGR_888:
 231                         fb_data_fmt = BGR888;
 232                         break;
 233                 case HAL_PIXEL_FORMAT_RGB_565:
 234                         fb_data_fmt = RGB565;
 235                         break;
 236                 case HAL_PIXEL_FORMAT_BGR_565:
 237                         fb_data_fmt = BGR565;
 238                         break;
 239                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 240                         fb_data_fmt = YUV422;
 241                         break;
 242                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 243                         fb_data_fmt = YUV420_NV21;
 244                         break;
 245                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 246                         fb_data_fmt = YUV420;
 247                         break;
 248                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 249                         fb_data_fmt = YUV444;
 250                         break;
 251                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 252                         fb_data_fmt = YUV420_A;
 253                         break;
 254                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 255                         fb_data_fmt = YUV422_A;
 256                         break;
 257                 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10:  /* yuv444 */
 258                         fb_data_fmt = YUV444_A;
 259                         break;
 260                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 261                         fb_data_fmt = FBDC_RGB_565;
 262                         break;
 263                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 264                         fb_data_fmt = FBDC_ARGB_888;
 265                         break;
 266                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 267                         fb_data_fmt = FBDC_ABGR_888;
 268                         break;
 269                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 270                         fb_data_fmt = FBDC_RGBX_888;
 271                         break;
 272                 case HAL_PIXEL_FORMAT_YUYV422:          /* yuyv422 */
 273                         fb_data_fmt = YUYV422;
 274                         break;
 275                 case HAL_PIXEL_FORMAT_YUYV420:          /* yuyv420 */
 276                         fb_data_fmt = YUYV420;
 277                         break;
 278                 case HAL_PIXEL_FORMAT_UYVY422:          /* uyvy422 */
 279                         fb_data_fmt = UYVY422;
 280                         break;
 281                 case HAL_PIXEL_FORMAT_UYVY420:          /* uyvy420 */
 282                         fb_data_fmt = UYVY420;
 283                         break;
 284                 default:
 285                         pr_warn("%s: unsupported format: 0x%x\n",
 286                                 __func__, data_format);
 287                         return -EINVAL;
 288                 }
 289         } else {
 290                 switch (bits_per_pixel) {
 291                 case 32:
 292                         fb_data_fmt = ARGB888;
 293                         break;
 294                 case 24:
 295                         fb_data_fmt = RGB888;
 296                         break;
 297                 case 16:
 298                         fb_data_fmt = RGB565;
 299                         break;
 300                 default:
 301                         pr_warn("%s: unsupported bits_per_pixel: %d\n",
 302                                 __func__, bits_per_pixel);
 303                         break;
 304                 }
 305         }
 306         return fb_data_fmt;
 307 }
 308
 309 /*
 310  * rk display power control parse from dts
 311  */
 312 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 313 {
 314         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 315                                                         "power_ctr");
 316         struct device_node *child;
 317         struct rk_disp_pwr_ctr_list *pwr_ctr;
 318         struct list_head *pos;
 319         enum of_gpio_flags flags;
 320         u32 val = 0;
 321         u32 debug = 0;
 322         int ret;
 323
 324         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 325         if (!root) {
 326                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 327                         dev_drv->id);
 328                 return -ENODEV;
 329         }
 330
 331         for_each_child_of_node(root, child) {
 332                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 333                                   GFP_KERNEL);
 334                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 335                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 336                         if (val == GPIO) {
 337                                 pwr_ctr->pwr_ctr.type = GPIO;
 338                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 339                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 340                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 341                                                 child->name);
 342                                         return -EINVAL;
 343                                 }
 344                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 345                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 346                                                    child->name);
 347                                 if (ret) {
 348                                         dev_err(dev_drv->dev,
 349                                                 "request %s gpio fail:%d\n",
 350                                                 child->name, ret);
 351                                 }
 352
 353                         } else {
 354                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 355                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 356                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 357                                                               &(pwr_ctr->pwr_ctr.rgl_name));
 358                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 359                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 360                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 361                                         pwr_ctr->pwr_ctr.volt = val;
 362                                 else
 363                                         pwr_ctr->pwr_ctr.volt = 0;
 364                         }
 365                 };
 366
 367                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 368                         pwr_ctr->pwr_ctr.delay = val;
 369                 else
 370                         pwr_ctr->pwr_ctr.delay = 0;
 371                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 372         }
 373
 374         of_property_read_u32(root, "rockchip,debug", &debug);
 375
 376         if (debug) {
 377                 list_for_each(pos, &dev_drv->pwrlist_head) {
 378                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 379                                              list);
 380                         pr_info("pwr_ctr_name:%s\n"
 381                                 "pwr_type:%s\n"
 382                                 "gpio:%d\n"
 383                                 "atv_val:%d\n"
 384                                 "delay:%d\n\n",
 385                                 pwr_ctr->pwr_ctr.name,
 386                                 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 387                                 pwr_ctr->pwr_ctr.gpio,
 388                                 pwr_ctr->pwr_ctr.atv_val,
 389                                 pwr_ctr->pwr_ctr.delay);
 390                 }
 391         }
 392
 393         return 0;
 394 }
 395
 396 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 397 {
 398         struct list_head *pos;
 399         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 400         struct pwr_ctr *pwr_ctr;
 401         struct regulator *regulator_lcd = NULL;
 402         int count = 10;
 403
 404         if (list_empty(&dev_drv->pwrlist_head))
 405                 return 0;
 406         list_for_each(pos, &dev_drv->pwrlist_head) {
 407                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 408                                           list);
 409                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 410                 if (pwr_ctr->type == GPIO) {
 411                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 412                         mdelay(pwr_ctr->delay);
 413                 } else if (pwr_ctr->type == REGULATOR) {
 414                         if (pwr_ctr->rgl_name)
 415                                 regulator_lcd =
 416                                         regulator_get(NULL, pwr_ctr->rgl_name);
 417                         if (regulator_lcd == NULL) {
 418                                 dev_err(dev_drv->dev,
 419                                         "%s: regulator get failed,regulator name:%s\n",
 420                                         __func__, pwr_ctr->rgl_name);
 421                                 continue;
 422                         }
 423                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 424                         while (!regulator_is_enabled(regulator_lcd)) {
 425                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 426                                         break;
 427                                 else
 428                                         dev_err(dev_drv->dev,
 429                                                 "regulator_enable failed,count=%d\n",
 430                                                 count);
 431                                 count--;
 432                         }
 433                         regulator_put(regulator_lcd);
 434                         msleep(pwr_ctr->delay);
 435                 }
 436         }
 437
 438         return 0;
 439 }
 440
 441 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 442 {
 443         struct list_head *pos;
 444         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 445         struct pwr_ctr *pwr_ctr;
 446         struct regulator *regulator_lcd = NULL;
 447         int count = 10;
 448
 449         if (list_empty(&dev_drv->pwrlist_head))
 450                 return 0;
 451         list_for_each(pos, &dev_drv->pwrlist_head) {
 452                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 453                                           list);
 454                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 455                 if (pwr_ctr->type == GPIO) {
 456                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 457                 } else if (pwr_ctr->type == REGULATOR) {
 458                         if (pwr_ctr->rgl_name)
 459                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 460                         if (regulator_lcd == NULL) {
 461                                 dev_err(dev_drv->dev,
 462                                         "%s: regulator get failed,regulator name:%s\n",
 463                                         __func__, pwr_ctr->rgl_name);
 464                                 continue;
 465                         }
 466                         while (regulator_is_enabled(regulator_lcd) > 0) {
 467                                 if (regulator_disable(regulator_lcd) == 0 ||
 468                                     count == 0)
 469                                         break;
 470                                 else
 471                                         dev_err(dev_drv->dev,
 472                                                 "regulator_disable failed,count=%d\n",
 473                                                 count);
 474                                 count--;
 475                         }
 476                         regulator_put(regulator_lcd);
 477                 }
 478         }
 479         return 0;
 480 }
 481
 482 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 483                                  struct rk_screen *screen)
 484 {
 485         screen->mode.pixclock = dt->pixelclock.typ;
 486         screen->mode.left_margin = dt->hback_porch.typ;
 487         screen->mode.right_margin = dt->hfront_porch.typ;
 488         screen->mode.xres = dt->hactive.typ;
 489         screen->mode.hsync_len = dt->hsync_len.typ;
 490         screen->mode.upper_margin = dt->vback_porch.typ;
 491         screen->mode.lower_margin = dt->vfront_porch.typ;
 492         screen->mode.yres = dt->vactive.typ;
 493         screen->mode.vsync_len = dt->vsync_len.typ;
 494         screen->type = dt->screen_type;
 495         screen->lvds_format = dt->lvds_format;
 496         screen->face = dt->face;
 497         screen->color_mode = dt->color_mode;
 498         screen->width = dt->screen_widt;
 499         screen->height = dt->screen_hight;
 500         screen->dsp_lut = dt->dsp_lut;
 501         screen->cabc_lut = dt->cabc_lut;
 502         screen->cabc_gamma_base = dt->cabc_gamma_base;
 503
 504         if (dt->flags & DISPLAY_FLAGS_INTERLACED)
 505                 screen->mode.vmode |= FB_VMODE_INTERLACED;
 506         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 507                 screen->pin_dclk = 1;
 508         else
 509                 screen->pin_dclk = 0;
 510         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 511                 screen->pin_hsync = 1;
 512         else
 513                 screen->pin_hsync = 0;
 514         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 515                 screen->pin_vsync = 1;
 516         else
 517                 screen->pin_vsync = 0;
 518         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 519                 screen->pin_den = 1;
 520         else
 521                 screen->pin_den = 0;
 522
 523         return 0;
 524 }
 525
 526 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 527 {
 528         struct display_timings *disp_timing;
 529         struct display_timing *dt;
 530
 531         disp_timing = of_get_display_timings(np);
 532         if (!disp_timing) {
 533                 pr_err("parse display timing err\n");
 534                 return -EINVAL;
 535         }
 536         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 537         rk_fb_video_mode_from_timing(dt, screen);
 538
 539         return 0;
 540 }
 541
 542 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 543 {
 544         int x, y;
 545         unsigned long long hz;
 546
 547         if (!screen) {
 548                 pr_err("%s:null screen!\n", __func__);
 549                 return 0;
 550         }
 551         x = screen->mode.xres + screen->mode.left_margin +
 552             screen->mode.right_margin + screen->mode.hsync_len;
 553         y = screen->mode.yres + screen->mode.upper_margin +
 554             screen->mode.lower_margin + screen->mode.vsync_len;
 555
 556         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 557
 558         hz += (x * y) / 2;
 559         do_div(hz, x * y);      /* divide by x * y with rounding */
 560
 561         hz += pixclock / 2;
 562         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 563
 564         return hz;
 565 }
 566
 567 char *get_format_string(enum data_format format, char *fmt)
 568 {
 569         if (!fmt)
 570                 return NULL;
 571         switch (format) {
 572         case ARGB888:
 573                 strcpy(fmt, "ARGB888");
 574                 break;
 575         case RGB888:
 576                 strcpy(fmt, "RGB888");
 577                 break;
 578         case BGR888:
 579                 strcpy(fmt, "BGR888");
 580                 break;
 581         case RGB565:
 582                 strcpy(fmt, "RGB565");
 583                 break;
 584         case BGR565:
 585                 strcpy(fmt, "BGR565");
 586                 break;
 587         case YUV420:
 588         case YUV420_NV21:
 589                 strcpy(fmt, "YUV420");
 590                 break;
 591         case YUV422:
 592                 strcpy(fmt, "YUV422");
 593                 break;
 594         case YUV444:
 595                 strcpy(fmt, "YUV444");
 596                 break;
 597         case YUV420_A:
 598                 strcpy(fmt, "YUV420_A");
 599                 break;
 600         case YUV422_A:
 601                 strcpy(fmt, "YUV422_A");
 602                 break;
 603         case YUV444_A:
 604                 strcpy(fmt, "YUV444_A");
 605                 break;
 606         case XRGB888:
 607                 strcpy(fmt, "XRGB888");
 608                 break;
 609         case XBGR888:
 610                 strcpy(fmt, "XBGR888");
 611                 break;
 612         case ABGR888:
 613                 strcpy(fmt, "ABGR888");
 614                 break;
 615         case FBDC_RGB_565:
 616                 strcpy(fmt, "FBDC_RGB_565");
 617                 break;
 618         case FBDC_ARGB_888:
 619         case FBDC_ABGR_888:
 620                 strcpy(fmt, "FBDC_ARGB_888");
 621                 break;
 622         case FBDC_RGBX_888:
 623                 strcpy(fmt, "FBDC_RGBX_888");
 624                 break;
 625         case YUYV422:
 626                 strcpy(fmt, "YUYV422");
 627                 break;
 628         case YUYV420:
 629                 strcpy(fmt, "YUYV420");
 630                 break;
 631         case UYVY422:
 632                 strcpy(fmt, "UYVY422");
 633                 break;
 634         case UYVY420:
 635                 strcpy(fmt, "UYVY420");
 636                 break;
 637         default:
 638                 strcpy(fmt, "invalid");
 639                 break;
 640         }
 641
 642         return fmt;
 643 }
 644
 645 /*
 646  * this is for hdmi
 647  * name: lcdc device name ,lcdc0 , lcdc1
 648  */
 649 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 650 {
 651         struct rk_fb *inf = NULL;
 652         struct rk_lcdc_driver *dev_drv = NULL;
 653         int i = 0;
 654
 655         if (likely(fb_pdev))
 656                 inf = platform_get_drvdata(fb_pdev);
 657         else
 658                 return NULL;
 659
 660         for (i = 0; i < inf->num_lcdc; i++) {
 661                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 662                         dev_drv = inf->lcdc_dev_drv[i];
 663                         break;
 664                 }
 665         }
 666
 667         return dev_drv;
 668 }
 669
 670 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 671 {
 672         struct rk_fb *inf = NULL;
 673         struct rk_lcdc_driver *dev_drv = NULL;
 674         int i = 0;
 675
 676         if (likely(fb_pdev))
 677                 inf = platform_get_drvdata(fb_pdev);
 678         else
 679                 return NULL;
 680
 681         for (i = 0; i < inf->num_lcdc; i++) {
 682                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 683                         dev_drv = inf->lcdc_dev_drv[i];
 684                         break;
 685                 }
 686         }
 687
 688         return dev_drv;
 689 }
 690
 691 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 692 {
 693         struct rk_fb *inf = NULL;
 694         struct rk_lcdc_driver *dev_drv = NULL;
 695         int i = 0;
 696
 697         if (likely(fb_pdev))
 698                 inf = platform_get_drvdata(fb_pdev);
 699         else
 700                 return NULL;
 701
 702         for (i = 0; i < inf->num_lcdc; i++) {
 703                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 704                         dev_drv = inf->lcdc_dev_drv[i];
 705                         break;
 706                 }
 707         }
 708
 709         return dev_drv;
 710 }
 711
 712 /*
 713  * get one frame time of the prmry screen, unit: us
 714  */
 715 u32 rk_fb_get_prmry_screen_ft(void)
 716 {
 717         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 718         u32 htotal, vtotal, pixclock_ps;
 719         u64 pix_total, ft_us;
 720
 721         if (unlikely(!dev_drv))
 722                 return 0;
 723
 724         pixclock_ps = dev_drv->pixclock;
 725
 726         vtotal = dev_drv->cur_screen->mode.upper_margin +
 727                  dev_drv->cur_screen->mode.lower_margin +
 728                  dev_drv->cur_screen->mode.yres +
 729                  dev_drv->cur_screen->mode.vsync_len;
 730         htotal = dev_drv->cur_screen->mode.left_margin +
 731                  dev_drv->cur_screen->mode.right_margin +
 732                  dev_drv->cur_screen->mode.xres +
 733                  dev_drv->cur_screen->mode.hsync_len;
 734         pix_total = htotal * vtotal;
 735         ft_us = pix_total * pixclock_ps;
 736         do_div(ft_us, 1000000);
 737         if (dev_drv->frame_time.ft == 0)
 738                 dev_drv->frame_time.ft = ft_us;
 739
 740         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 741         do_div(ft_us, 1000);
 742         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 743         if (ft_us != 0)
 744                 dev_drv->frame_time.ft = ft_us;
 745
 746         return dev_drv->frame_time.ft;
 747 }
 748
 749 /*
 750  * get the vblanking time of the prmry screen, unit: us
 751  */
 752 u32 rk_fb_get_prmry_screen_vbt(void)
 753 {
 754         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 755         u32 htotal, vblank, pixclock_ps;
 756         u64 pix_blank, vbt_us;
 757
 758         if (unlikely(!dev_drv))
 759                 return 0;
 760
 761         pixclock_ps = dev_drv->pixclock;
 762
 763         htotal = (dev_drv->cur_screen->mode.left_margin +
 764                   dev_drv->cur_screen->mode.right_margin +
 765                   dev_drv->cur_screen->mode.xres +
 766                   dev_drv->cur_screen->mode.hsync_len);
 767         vblank = (dev_drv->cur_screen->mode.upper_margin +
 768                   dev_drv->cur_screen->mode.lower_margin +
 769                   dev_drv->cur_screen->mode.vsync_len);
 770         pix_blank = htotal * vblank;
 771         vbt_us = pix_blank * pixclock_ps;
 772         do_div(vbt_us, 1000000);
 773         return (u32)vbt_us;
 774 }
 775
 776 /*
 777  * get the frame done time of the prmry screen, unit: us
 778  */
 779 u64 rk_fb_get_prmry_screen_framedone_t(void)
 780 {
 781         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 782
 783         if (unlikely(!dev_drv))
 784                 return 0;
 785         else
 786                 return dev_drv->frame_time.framedone_t;
 787 }
 788
 789 /*
 790  * set prmry screen status
 791  */
 792 int rk_fb_set_prmry_screen_status(int status)
 793 {
 794         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 795         struct rk_screen *screen;
 796
 797         if (unlikely(!dev_drv))
 798                 return 0;
 799
 800         screen = dev_drv->cur_screen;
 801         switch (status) {
 802         case SCREEN_PREPARE_DDR_CHANGE:
 803                 if (screen->type == SCREEN_MIPI ||
 804                     screen->type == SCREEN_DUAL_MIPI) {
 805                         if (dev_drv->trsm_ops->dsp_pwr_off)
 806                                 dev_drv->trsm_ops->dsp_pwr_off();
 807                 }
 808                 break;
 809         case SCREEN_UNPREPARE_DDR_CHANGE:
 810                 if (screen->type == SCREEN_MIPI ||
 811                     screen->type == SCREEN_DUAL_MIPI) {
 812                         if (dev_drv->trsm_ops->dsp_pwr_on)
 813                                 dev_drv->trsm_ops->dsp_pwr_on();
 814                 }
 815                 break;
 816         default:
 817                 break;
 818         }
 819
 820         return 0;
 821 }
 822
 823 u32 rk_fb_get_prmry_screen_pixclock(void)
 824 {
 825         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 826
 827         if (unlikely(!dev_drv))
 828                 return 0;
 829         else
 830                 return dev_drv->pixclock;
 831 }
 832
 833 int rk_fb_poll_prmry_screen_vblank(void)
 834 {
 835         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 836
 837         if (likely(dev_drv)) {
 838                 if (dev_drv->ops->poll_vblank)
 839                         return dev_drv->ops->poll_vblank(dev_drv);
 840                 else
 841                         return RK_LF_STATUS_NC;
 842         } else {
 843                 return RK_LF_STATUS_NC;
 844         }
 845 }
 846
 847 bool rk_fb_poll_wait_frame_complete(void)
 848 {
 849         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 850         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 851
 852         if (likely(dev_drv)) {
 853                 if (dev_drv->ops->set_irq_to_cpu)
 854                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 855         }
 856
 857         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 858                 if (likely(dev_drv)) {
 859                         if (dev_drv->ops->set_irq_to_cpu)
 860                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 861                 }
 862                 return false;
 863         }
 864         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 865                 ;
 866         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 867                 ;
 868         if (likely(dev_drv)) {
 869                 if (dev_drv->ops->set_irq_to_cpu)
 870                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 871         }
 872
 873         return true;
 874 }
 875
 876 /* rk_fb_get_sysmmu_device_by_compatible()
 877  * @compt: dts device compatible name
 878  * return value: success: pointer to the device inside of platform device
 879  *               fail: NULL
 880  */
 881 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 882 {
 883         struct device_node *dn = NULL;
 884         struct platform_device *pd = NULL;
 885         struct device *ret = NULL ;
 886
 887         dn = of_find_compatible_node(NULL, NULL, compt);
 888         if (!dn) {
 889                 pr_info("can't find device node %s \r\n", compt);
 890                 return NULL;
 891         }
 892
 893         pd = of_find_device_by_node(dn);
 894         if (!pd) {
 895                 pr_info("can't find platform device node %s \r\n", compt);
 896                 return  NULL;
 897         }
 898         ret = &pd->dev;
 899
 900         return ret;
 901 }
 902
 903 #ifdef CONFIG_IOMMU_API
 904 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 905 {
 906         dev->archdata.iommu = sysmmu;
 907 }
 908 #else
 909 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 910 {
 911 }
 912 #endif
 913
 914 static int rk_fb_open(struct fb_info *info, int user)
 915 {
 916         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 917         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 918         int win_id;
 919
 920         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 921         fb_par->state++;
 922         /* if this win aready opened ,no need to reopen */
 923         if (dev_drv->win[win_id]->state)
 924                 return 0;
 925         else
 926                 dev_drv->ops->open(dev_drv, win_id, 1);
 927         return 0;
 928 }
 929
 930 static int rk_fb_close(struct fb_info *info, int user)
 931 {
 932         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 933         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 934         struct rk_lcdc_win *win = NULL;
 935         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 936
 937         if (win_id >= 0) {
 938                 win = dev_drv->win[win_id];
 939                 if (fb_par->state)
 940                         fb_par->state--;
 941                 if (!fb_par->state) {
 942                         if (fb_par->fb_phy_base > 0)
 943                                 info->fix.smem_start = fb_par->fb_phy_base;
 944                         info->var.xres = dev_drv->screen0->mode.xres;
 945                         info->var.yres = dev_drv->screen0->mode.yres;
 946                         /*
 947                          *info->var.grayscale |=
 948                          *   (info->var.xres << 8) + (info->var.yres << 20);
 949                          */
 950                         info->var.xres_virtual = info->var.xres;
 951                         info->var.yres_virtual = info->var.yres;
 952 #if defined(CONFIG_LOGO_LINUX_BMP)
 953                         info->var.bits_per_pixel = 32;
 954 #else
 955                         info->var.bits_per_pixel = 16;
 956 #endif
 957                         info->fix.line_length =
 958                             (info->var.xres_virtual) *
 959                             (info->var.bits_per_pixel >> 3);
 960                         info->var.width = dev_drv->screen0->width;
 961                         info->var.height = dev_drv->screen0->height;
 962                         info->var.pixclock = dev_drv->pixclock;
 963                         info->var.left_margin =
 964                                 dev_drv->screen0->mode.left_margin;
 965                         info->var.right_margin =
 966                                 dev_drv->screen0->mode.right_margin;
 967                         info->var.upper_margin =
 968                                 dev_drv->screen0->mode.upper_margin;
 969                         info->var.lower_margin =
 970                                 dev_drv->screen0->mode.lower_margin;
 971                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 972                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 973                 }
 974         }
 975
 976         return 0;
 977 }
 978
 979 #if defined(FB_ROATE_BY_KERNEL)
 980
 981 #if defined(CONFIG_RK29_IPP)
 982 static int get_ipp_format(int fmt)
 983 {
 984         int ipp_fmt = IPP_XRGB_8888;
 985
 986         switch (fmt) {
 987         case HAL_PIXEL_FORMAT_RGBX_8888:
 988         case HAL_PIXEL_FORMAT_BGRX_8888:
 989         case HAL_PIXEL_FORMAT_RGBA_8888:
 990         case HAL_PIXEL_FORMAT_BGRA_8888:
 991         case HAL_PIXEL_FORMAT_RGB_888:
 992         case HAL_PIXEL_FORMAT_BGR_888:
 993                 ipp_fmt = IPP_XRGB_8888;
 994                 break;
 995         case HAL_PIXEL_FORMAT_RGB_565:
 996         case HAL_PIXEL_FORMAT_BGR_565:
 997                 ipp_fmt = IPP_RGB_565;
 998                 break;
 999         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1000                 ipp_fmt = IPP_Y_CBCR_H2V1;
1001                 break;
1002         case HAL_PIXEL_FORMAT_YCrCb_NV12:
1003                 ipp_fmt = IPP_Y_CBCR_H2V2;
1004                 break;
1005         case HAL_PIXEL_FORMAT_YCrCb_444:
1006                 ipp_fmt = IPP_Y_CBCR_H1V1;
1007                 break;
1008         default:
1009                 ipp_fmt = IPP_IMGTYPE_LIMIT;
1010                 break;
1011         }
1012
1013         return ipp_fmt;
1014 }
1015
1016 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1017                           int rotation, int fmt)
1018 {
1019         int align16 = 2;
1020         int align64 = 8;
1021
1022         if (fmt == IPP_XRGB_8888) {
1023                 align16 = 1;
1024                 align64 = 2;
1025         } else if (fmt == IPP_RGB_565) {
1026                 align16 = 1;
1027                 align64 = 4;
1028         } else {
1029                 align16 = 2;
1030                 align64 = 8;
1031         }
1032         align16 -= 1;           /*for YUV, 1 */
1033         align64 -= 1;           /*for YUV, 7 */
1034
1035         if (rotation == IPP_ROT_0) {
1036                 if (fmt > IPP_RGB_565) {
1037                         if ((*dst_w & 1) != 0)
1038                                 *dst_w = *dst_w + 1;
1039                         if ((*dst_h & 1) != 0)
1040                                 *dst_h = *dst_h + 1;
1041                         if (*dst_vir_w < *dst_w)
1042                                 *dst_vir_w = *dst_w;
1043                 }
1044         } else {
1045                 if ((*dst_w & align64) != 0)
1046                         *dst_w = (*dst_w + align64) & (~align64);
1047                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1048                         *dst_h = *dst_h + 1;
1049                 if (*dst_vir_w < *dst_w)
1050                         *dst_vir_w = *dst_w;
1051         }
1052 }
1053
1054 static void fb_copy_by_ipp(struct fb_info *dst_info,
1055                            struct fb_info *src_info)
1056 {
1057         struct rk29_ipp_req ipp_req;
1058         uint32_t rotation = 0;
1059         int dst_w, dst_h, dst_vir_w;
1060         int ipp_fmt;
1061         u8 data_format = (dst_info->var.nonstd) & 0xff;
1062         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1063         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1064         u16 orientation = ext_dev_drv->rotate_mode;
1065
1066         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1067
1068         switch (orientation) {
1069         case 0:
1070                 rotation = IPP_ROT_0;
1071                 break;
1072         case ROTATE_90:
1073                 rotation = IPP_ROT_90;
1074                 break;
1075         case ROTATE_180:
1076                 rotation = IPP_ROT_180;
1077                 break;
1078         case ROTATE_270:
1079                 rotation = IPP_ROT_270;
1080                 break;
1081         default:
1082                 rotation = IPP_ROT_270;
1083                 break;
1084         }
1085
1086         dst_w = dst_info->var.xres;
1087         dst_h = dst_info->var.yres;
1088         dst_vir_w = dst_info->var.xres_virtual;
1089         ipp_fmt = get_ipp_format(data_format);
1090         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1091         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1092         ipp_req.src0.w = src_info->var.xres;
1093         ipp_req.src0.h = src_info->var.yres;
1094         ipp_req.src_vir_w = src_info->var.xres_virtual;
1095         ipp_req.src0.fmt = ipp_fmt;
1096
1097         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1098         ipp_req.dst0.w = dst_w;
1099         ipp_req.dst0.h = dst_h;
1100         ipp_req.dst_vir_w = dst_vir_w;
1101         ipp_req.dst0.fmt = ipp_fmt;
1102
1103         ipp_req.timeout = 100;
1104         ipp_req.flag = rotation;
1105         ipp_blit_sync(&ipp_req);
1106 }
1107
1108 #endif
1109
1110 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1111 static int get_rga_format(int fmt)
1112 {
1113         int rga_fmt = 0;
1114
1115         switch (fmt) {
1116         case XBGR888:
1117                 rga_fmt = RK_FORMAT_RGBX_8888;
1118                 break;
1119         case ABGR888:
1120                 rga_fmt = RK_FORMAT_RGBA_8888;
1121                 break;
1122         case ARGB888:
1123                 rga_fmt = RK_FORMAT_BGRA_8888;
1124                 break;
1125         case RGB888:
1126                 rga_fmt = RK_FORMAT_RGB_888;
1127                 break;
1128         case RGB565:
1129                 rga_fmt = RK_FORMAT_RGB_565;
1130                 break;
1131         case YUV422:
1132                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1133                 break;
1134         case YUV420:
1135                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1136                 break;
1137         default:
1138                 rga_fmt = RK_FORMAT_RGBA_8888;
1139                 break;
1140         }
1141
1142         return rga_fmt;
1143 }
1144
1145 static void rga_win_check(struct rk_lcdc_win *dst_win,
1146                           struct rk_lcdc_win *src_win)
1147 {
1148         int format = 0;
1149
1150         format = get_rga_format(src_win->area[0].format);
1151         /* width and height must be even number */
1152         if (format >= RK_FORMAT_YCbCr_422_SP &&
1153             format <= RK_FORMAT_YCrCb_420_P) {
1154                 if ((src_win->area[0].xact % 2) != 0)
1155                         src_win->area[0].xact += 1;
1156                 if ((src_win->area[0].yact % 2) != 0)
1157                         src_win->area[0].yact += 1;
1158         }
1159         if (src_win->area[0].xvir < src_win->area[0].xact)
1160                 src_win->area[0].xvir = src_win->area[0].xact;
1161         if (src_win->area[0].yvir < src_win->area[0].yact)
1162                 src_win->area[0].yvir = src_win->area[0].yact;
1163
1164         format = get_rga_format(dst_win->area[0].format);
1165         if (format >= RK_FORMAT_YCbCr_422_SP &&
1166             format <= RK_FORMAT_YCrCb_420_P) {
1167                 if ((dst_win->area[0].xact % 2) != 0)
1168                         dst_win->area[0].xact += 1;
1169                 if ((dst_win->area[0].yact % 2) != 0)
1170                         dst_win->area[0].yact += 1;
1171         }
1172         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1173                 dst_win->area[0].xvir = dst_win->area[0].xact;
1174         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1175                 dst_win->area[0].yvir = dst_win->area[0].yact;
1176 }
1177
1178 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1179                             struct rk_lcdc_win *src_win,
1180                             u16 orientation, int iommu_en)
1181 {
1182         struct rga_req rga_request;
1183         long ret = 0;
1184         /* int fd = 0; */
1185
1186         memset(&rga_request, 0, sizeof(rga_request));
1187         rga_win_check(dst_win, src_win);
1188
1189         switch (orientation) {
1190         case ROTATE_90:
1191                 rga_request.rotate_mode = 1;
1192                 rga_request.sina = 65536;
1193                 rga_request.cosa = 0;
1194                 rga_request.dst.act_w = dst_win->area[0].yact;
1195                 rga_request.dst.act_h = dst_win->area[0].xact;
1196                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1197                 rga_request.dst.y_offset = 0;
1198                 break;
1199         case ROTATE_180:
1200                 rga_request.rotate_mode = 1;
1201                 rga_request.sina = 0;
1202                 rga_request.cosa = -65536;
1203                 rga_request.dst.act_w = dst_win->area[0].xact;
1204                 rga_request.dst.act_h = dst_win->area[0].yact;
1205                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1206                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1207                 break;
1208         case ROTATE_270:
1209                 rga_request.rotate_mode = 1;
1210                 rga_request.sina = -65536;
1211                 rga_request.cosa = 0;
1212                 rga_request.dst.act_w = dst_win->area[0].yact;
1213                 rga_request.dst.act_h = dst_win->area[0].xact;
1214                 rga_request.dst.x_offset = 0;
1215                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1216                 break;
1217         default:
1218                 rga_request.rotate_mode = 0;
1219                 rga_request.dst.act_w = dst_win->area[0].xact;
1220                 rga_request.dst.act_h = dst_win->area[0].yact;
1221                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1222                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1223                 break;
1224         }
1225
1226         /*
1227          * fd =
1228          *    ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1229          * rga_request.src.yrgb_addr = fd;
1230          * fd =
1231          *    ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1232          * rga_request.dst.yrgb_addr = fd;
1233          */
1234         rga_request.src.yrgb_addr = 0;
1235         rga_request.src.uv_addr =
1236             src_win->area[0].smem_start + src_win->area[0].y_offset;
1237         rga_request.src.v_addr = 0;
1238
1239         rga_request.dst.yrgb_addr = 0;
1240         rga_request.dst.uv_addr =
1241             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1242         rga_request.dst.v_addr = 0;
1243
1244         rga_request.src.vir_w = src_win->area[0].xvir;
1245         rga_request.src.vir_h = src_win->area[0].yvir;
1246         rga_request.src.format = get_rga_format(src_win->area[0].format);
1247         rga_request.src.act_w = src_win->area[0].xact;
1248         rga_request.src.act_h = src_win->area[0].yact;
1249         rga_request.src.x_offset = 0;
1250         rga_request.src.y_offset = 0;
1251
1252         rga_request.dst.vir_w = dst_win->area[0].xvir;
1253         rga_request.dst.vir_h = dst_win->area[0].yvir;
1254         rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1255
1256         rga_request.clip.xmin = 0;
1257         rga_request.clip.xmax = dst_win->area[0].xact - 1;
1258         rga_request.clip.ymin = 0;
1259         rga_request.clip.ymax = dst_win->area[0].yact - 1;
1260         rga_request.scale_mode = 0;
1261
1262         if (iommu_en) {
1263                 rga_request.mmu_info.mmu_en = 1;
1264                 rga_request.mmu_info.mmu_flag = 1;
1265         } else {
1266                 rga_request.mmu_info.mmu_en = 0;
1267                 rga_request.mmu_info.mmu_flag = 0;
1268         }
1269
1270         ret = rga_ioctl_kernel(&rga_request);
1271 }
1272
1273 /*
1274  * This function is used for copying fb by RGA Module
1275  * RGA only support copy RGB to RGB
1276  * RGA2 support copy RGB to RGB and YUV to YUV
1277  */
1278 static void fb_copy_by_rga(struct fb_info *dst_info,
1279                            struct fb_info *src_info)
1280 {
1281         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1282         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1283         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1284         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1285         int win_id = 0, ext_win_id;
1286         struct rk_lcdc_win *src_win, *dst_win;
1287
1288         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1289         src_win = dev_drv->win[win_id];
1290
1291         ext_win_id =
1292             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1293         dst_win = ext_dev_drv->win[ext_win_id];
1294
1295         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1296                         ext_dev_drv->iommu_enabled);
1297 }
1298 #endif
1299
1300 static int rk_fb_rotate(struct fb_info *dst_info,
1301                         struct fb_info *src_info)
1302 {
1303 #if defined(CONFIG_RK29_IPP)
1304         fb_copy_by_ipp(dst_info, src_info);
1305 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1306         fb_copy_by_rga(dst_info, src_info);
1307 #else
1308         return -1;
1309 #endif
1310         return 0;
1311 }
1312
1313 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1314                                            struct rk_lcdc_win *src_win,
1315                                            u16 rotate, int iommu_en)
1316 {
1317 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1318         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1319 #else
1320         return -1;
1321 #endif
1322         return 0;
1323 }
1324
1325 #endif
1326
1327 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1328                              struct fb_info *info)
1329 {
1330         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1331         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1332         struct fb_fix_screeninfo *fix = &info->fix;
1333         int win_id = 0;
1334         struct rk_lcdc_win *win = NULL;
1335         struct rk_screen *screen = dev_drv->cur_screen;
1336         u32 xoffset = var->xoffset;
1337         u32 yoffset = var->yoffset;
1338         u32 xvir = var->xres_virtual;
1339         u8 pixel_width;
1340         u32 vir_width_bit;
1341         u32 stride, uv_stride;
1342         u32 stride_32bit_1;
1343         u32 stride_32bit_2;
1344         u16 uv_x_off, uv_y_off, uv_y_act;
1345         u8 is_pic_yuv = 0;
1346
1347         if (dev_drv->suspend_flag)
1348                 return 0;
1349         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1350         if (win_id < 0)
1351                 return -ENODEV;
1352         else
1353                 win = dev_drv->win[win_id];
1354
1355         pixel_width = rk_fb_pixel_width(win->area[0].format);
1356         vir_width_bit = pixel_width * xvir;
1357         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1358         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1359
1360         switch (win->area[0].format) {
1361         case YUV422:
1362         case YUV422_A:
1363                 is_pic_yuv = 1;
1364                 stride = stride_32bit_1;
1365                 uv_stride = stride_32bit_1;
1366                 uv_x_off = xoffset;
1367                 uv_y_off = yoffset;
1368                 fix->line_length = stride;
1369                 uv_y_act = win->area[0].yact >> 1;
1370                 break;
1371         case YUV420:            /* nv12 */
1372         case YUV420_NV21:       /* nv21 */
1373         case YUV420_A:
1374                 is_pic_yuv = 1;
1375                 stride = stride_32bit_1;
1376                 uv_stride = stride_32bit_1;
1377                 uv_x_off = xoffset;
1378                 uv_y_off = yoffset >> 1;
1379                 fix->line_length = stride;
1380                 uv_y_act = win->area[0].yact >> 1;
1381                 break;
1382         case YUV444:
1383         case YUV444_A:
1384                 is_pic_yuv = 1;
1385                 stride = stride_32bit_1;
1386                 uv_stride = stride_32bit_2;
1387                 uv_x_off = xoffset * 2;
1388                 uv_y_off = yoffset;
1389                 fix->line_length = stride << 2;
1390                 uv_y_act = win->area[0].yact;
1391                 break;
1392         default:
1393                 stride = stride_32bit_1;        /* default rgb */
1394                 fix->line_length = stride;
1395                 break;
1396         }
1397
1398         /* x y mirror ,jump line */
1399         if ((screen->y_mirror == 1) ||
1400             (win->xmirror && win->ymirror)) {
1401                 if (screen->interlace == 1) {
1402                         win->area[0].y_offset = yoffset * stride * 2 +
1403                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1404                             xoffset * pixel_width / 8;
1405                 } else {
1406                         win->area[0].y_offset = yoffset * stride +
1407                             (win->area[0].yact - 1) * stride +
1408                             xoffset * pixel_width / 8;
1409                 }
1410         } else {
1411                 if (screen->interlace == 1) {
1412                         win->area[0].y_offset =
1413                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1414                 } else {
1415                         win->area[0].y_offset =
1416                             yoffset * stride + xoffset * pixel_width / 8;
1417                 }
1418         }
1419         if (is_pic_yuv == 1) {
1420                 if ((screen->y_mirror == 1) ||
1421                     (win->xmirror && win->ymirror)) {
1422                         if (screen->interlace == 1) {
1423                                 win->area[0].c_offset =
1424                                     uv_y_off * uv_stride * 2 +
1425                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1426                                     uv_x_off * pixel_width / 8;
1427                         } else {
1428                                 win->area[0].c_offset = uv_y_off * uv_stride +
1429                                     (uv_y_act - 1) * uv_stride +
1430                                     uv_x_off * pixel_width / 8;
1431                         }
1432                 } else {
1433                         if (screen->interlace == 1) {
1434                                 win->area[0].c_offset =
1435                                     uv_y_off * uv_stride * 2 +
1436                                     uv_x_off * pixel_width / 8;
1437                         } else {
1438                                 win->area[0].c_offset =
1439                                     uv_y_off * uv_stride +
1440                                     uv_x_off * pixel_width / 8;
1441                         }
1442                 }
1443         }
1444
1445         win->area[0].smem_start = fix->smem_start;
1446         win->area[0].cbr_start = fix->mmio_start;
1447         win->area[0].state = 1;
1448         win->area_num = 1;
1449
1450         dev_drv->ops->pan_display(dev_drv, win_id);
1451
1452 #ifdef  CONFIG_FB_MIRRORING
1453         if (video_data_to_mirroring)
1454                 video_data_to_mirroring(info, NULL);
1455 #endif
1456         /* if not want the config effect,set reserved[3] bit[0] 1 */
1457         if (likely((var->reserved[3] & 0x1) == 0))
1458                 dev_drv->ops->cfg_done(dev_drv);
1459         if (dev_drv->hdmi_switch)
1460                 mdelay(100);
1461         return 0;
1462 }
1463
1464 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1465 {
1466         int i, j;
1467
1468         i = list_empty(&dev_drv->update_regs_list);
1469         j = list_empty(&dev_drv->saved_list);
1470         return i == j ? 0 : 1;
1471 }
1472
1473 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1474 {
1475         int err = sync_fence_wait(fence, 1000);
1476
1477         if (err >= 0)
1478                 return;
1479
1480         if (err == -ETIME)
1481                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1482
1483         if (err < 0)
1484                 pr_info("error waiting on fence\n");
1485 }
1486 #if 0
1487 static int rk_fb_copy_from_loader(struct fb_info *info)
1488 {
1489         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1490         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1491         void *dst = info->screen_base;
1492         u32 dsp_addr[4];
1493         u32 src;
1494         u32 i, size;
1495         int win_id;
1496         struct rk_lcdc_win *win;
1497
1498         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1499         win = dev_drv->win[win_id];
1500         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1501         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1502         src = dsp_addr[win_id];
1503         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1504                  win->area[0].xact, win->area[0].yact, src);
1505         for (i = 0; i < size; i += PAGE_SIZE) {
1506                 void *page = phys_to_page(i + src);
1507                 void *from_virt = kmap(page);
1508                 void *to_virt = dst + i;
1509
1510                 memcpy(to_virt, from_virt, PAGE_SIZE);
1511         }
1512         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1513                                       info->fix.smem_start);
1514         return 0;
1515 }
1516 #endif
1517 static int g_last_addr[5][4];
1518 static int g_now_config_addr[5][4];
1519 static int g_last_state[5][4];
1520 static int g_now_config_state[5][4];
1521 int g_last_timeout;
1522 u32 freed_addr[10];
1523 u32 freed_index;
1524
1525 #define DUMP_CHUNK 256
1526 char buf[PAGE_SIZE];
1527
1528 int rk_fb_sysmmu_fault_handler(struct device *dev,
1529                                enum rk_iommu_inttype itype,
1530                                unsigned long pgtable_base,
1531                                unsigned long fault_addr, unsigned int status)
1532 {
1533         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1534         int i = 0, j = 0;
1535         static int page_fault_cnt;
1536
1537         if ((page_fault_cnt++) >= 10)
1538                 return 0;
1539         pr_err
1540             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1541              fault_addr, pgtable_base, status);
1542         pr_info("last config addr:\n");
1543         for (i = 0; i < 4; i++) {
1544                 for (j = 0; j < 4; j++)
1545                         pr_info("win[%d],area[%d] = 0x%08x\n",
1546                                 i, j, g_last_addr[i][j]);
1547         }
1548         pr_info("last freed buffer:\n");
1549         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1550                 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1551         pr_info("last timeout:%d\n", g_last_timeout);
1552         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1553         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1554                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1555                         char c = buf[i + DUMP_CHUNK];
1556
1557                         buf[i + DUMP_CHUNK] = 0;
1558                         pr_cont("%s", buf + i);
1559                         buf[i + DUMP_CHUNK] = c;
1560                 } else {
1561                         buf[PAGE_SIZE - 1] = 0;
1562                         pr_cont("%s", buf + i);
1563                 }
1564         }
1565
1566         return 0;
1567 }
1568
1569 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1570                        struct rk_fb_reg_wb_data *wb_data)
1571 {
1572         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1573
1574         if (dev_drv->iommu_enabled && wb_data->ion_handle)
1575                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1576                                 wb_data->ion_handle);
1577         if (wb_data->ion_handle)
1578                 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1579 }
1580
1581 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1582                         struct rk_fb_reg_win_data *reg_win_data)
1583 {
1584         int i, index_buf;
1585         struct rk_fb_reg_area_data *area_data;
1586         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1587
1588         for (i = 0; i < reg_win_data->area_num; i++) {
1589                 area_data = &reg_win_data->reg_area_data[i];
1590                 index_buf = area_data->index_buf;
1591                 if (dev_drv->iommu_enabled) {
1592                         if (area_data->ion_handle != NULL &&
1593                             !IS_YUV_FMT(area_data->data_format))
1594                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1595                                                 area_data->ion_handle);
1596                         freed_addr[freed_index++] = area_data->smem_start;
1597                 }
1598                 if (area_data->ion_handle != NULL)
1599                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1600
1601                 if (area_data->acq_fence)
1602                         sync_fence_put(area_data->acq_fence);
1603         }
1604 }
1605
1606 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1607                              struct rk_lcdc_win *win,
1608                              struct rk_fb_reg_win_data *reg_win_data)
1609 {
1610         int i = 0;
1611         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1612         struct rk_screen *cur_screen;
1613         struct rk_screen primary_screen;
1614
1615         if (unlikely(!inf) || unlikely(!dev_drv) ||
1616             unlikely(!win) || unlikely(!reg_win_data))
1617                 return;
1618
1619         cur_screen = dev_drv->cur_screen;
1620         rk_fb_get_prmry_screen(&primary_screen);
1621
1622         win->area_num = reg_win_data->area_num;
1623         win->id = reg_win_data->win_id;
1624         win->z_order = reg_win_data->z_order;
1625
1626         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1627                 win->state = 1;
1628                 win->area_num = reg_win_data->area_num;
1629                 win->id = reg_win_data->win_id;
1630                 win->z_order = reg_win_data->z_order;
1631                 win->area[0].uv_vir_stride =
1632                     reg_win_data->reg_area_data[0].uv_vir_stride;
1633                 win->area[0].cbr_start =
1634                     reg_win_data->reg_area_data[0].cbr_start;
1635                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1636                 win->alpha_en = reg_win_data->alpha_en;
1637                 win->alpha_mode = reg_win_data->alpha_mode;
1638                 win->g_alpha_val = reg_win_data->g_alpha_val;
1639                 /*
1640                  * reg_win_data mirror_en means that xmirror ymirror all
1641                  * enabled.
1642                  */
1643                 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1644                 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1645                 win->colorspace = reg_win_data->colorspace;
1646                 win->area[0].fbdc_en =
1647                         reg_win_data->reg_area_data[0].fbdc_en;
1648                 win->area[0].fbdc_cor_en =
1649                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1650                 win->area[0].fbdc_data_format =
1651                         reg_win_data->reg_area_data[0].fbdc_data_format;
1652                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1653                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1654                                 win->area[i].format =
1655                                         reg_win_data->reg_area_data[i].data_format;
1656                                 win->area[i].ion_hdl =
1657                                         reg_win_data->reg_area_data[i].ion_handle;
1658                                 win->area[i].smem_start =
1659                                         reg_win_data->reg_area_data[i].smem_start;
1660                                 if (inf->disp_mode == DUAL ||
1661                                     inf->disp_mode == DUAL_LCD ||
1662                                     inf->disp_mode == NO_DUAL) {
1663                                         win->area[i].xpos =
1664                                                 reg_win_data->reg_area_data[i].xpos;
1665                                         win->area[i].ypos =
1666                                                 reg_win_data->reg_area_data[i].ypos;
1667                                         win->area[i].xsize =
1668                                                 reg_win_data->reg_area_data[i].xsize;
1669                                         win->area[i].ysize =
1670                                                 reg_win_data->reg_area_data[i].ysize;
1671                                 } else {
1672                                         win->area[i].xpos =
1673                                                 reg_win_data->reg_area_data[i].xpos *
1674                                                 cur_screen->mode.xres /
1675                                                 primary_screen.mode.xres;
1676                                         win->area[i].ypos =
1677                                                 reg_win_data->reg_area_data[i].ypos *
1678                                                 cur_screen->mode.yres /
1679                                                 primary_screen.mode.yres;
1680                                         win->area[i].xsize =
1681                                                 reg_win_data->reg_area_data[i].xsize *
1682                                                 cur_screen->mode.xres /
1683                                                 primary_screen.mode.xres;
1684                                         win->area[i].ysize =
1685                                                 reg_win_data->reg_area_data[i].ysize *
1686                                                 cur_screen->mode.yres /
1687                                                 primary_screen.mode.yres;
1688
1689                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1690                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1691                                                 if (cur_screen->xsize > 0 &&
1692                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1693                                                         win->area[i].xpos =
1694                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1695                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1696                                                         win->area[i].xsize =
1697                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1698                                                 }
1699                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1700                                                         win->area[i].ypos =
1701                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1702                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1703                                                         win->area[i].ysize =
1704                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1705                                                 }
1706                                         }
1707                                 }
1708                                 win->area[i].xact =
1709                                     reg_win_data->reg_area_data[i].xact;
1710                                 win->area[i].yact =
1711                                     reg_win_data->reg_area_data[i].yact;
1712                                 win->area[i].xvir =
1713                                     reg_win_data->reg_area_data[i].xvir;
1714                                 win->area[i].yvir =
1715                                     reg_win_data->reg_area_data[i].yvir;
1716                                 win->area[i].xoff =
1717                                     reg_win_data->reg_area_data[i].xoff;
1718                                 win->area[i].yoff =
1719                                     reg_win_data->reg_area_data[i].yoff;
1720                                 win->area[i].y_offset =
1721                                     reg_win_data->reg_area_data[i].y_offset;
1722                                 win->area[i].y_vir_stride =
1723                                     reg_win_data->reg_area_data[i].y_vir_stride;
1724                                 win->area[i].state = 1;
1725                                 if (dev_drv->iommu_enabled) {
1726                                         g_now_config_addr[win->id][i] =
1727                                                 win->area[i].smem_start +
1728                                                 win->area[i].y_offset;
1729                                         g_now_config_state[win->id][i] = 1;
1730                                 }
1731                         } else {
1732                                 win->area[i].state = 0;
1733                                 win->area[i].fbdc_en = 0;
1734                                 if (dev_drv->iommu_enabled) {
1735                                         g_now_config_addr[win->id][i] = 0;
1736                                         g_now_config_state[win->id][i] = 0;
1737                                 }
1738                         }
1739                 }
1740         }
1741 }
1742
1743 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1744                                                      *regs, int win_id)
1745 {
1746         int i;
1747         struct rk_fb_reg_win_data *win_data = NULL;
1748
1749         for (i = 0; i < regs->win_num; i++) {
1750                 if (regs->reg_win_data[i].win_id == win_id) {
1751                         win_data = &(regs->reg_win_data[i]);
1752                         break;
1753                 }
1754         }
1755
1756         return win_data;
1757 }
1758
1759 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1760                             struct rk_fb_reg_data *regs,
1761                             int count)
1762 {
1763         int i, j, wait_for_vsync = false;
1764         unsigned int dsp_addr[5][4];
1765         int win_status = 0;
1766
1767         if (dev_drv->ops->get_dsp_addr)
1768                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1769
1770         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1771                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1772                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1773                                 continue;
1774                         if (dev_drv->win[i]->area[j].state == 1) {
1775                                 u32 new_start =
1776                                         dev_drv->win[i]->area[j].smem_start +
1777                                         dev_drv->win[i]->area[j].y_offset;
1778                                 u32 reg_start = dsp_addr[i][j];
1779
1780                                 if (unlikely(new_start != reg_start)) {
1781                                         wait_for_vsync = true;
1782                                         dev_info(dev_drv->dev,
1783                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1784                                                  i, new_start, reg_start,
1785                                                  101 - count);
1786                                         break;
1787                                 }
1788                         } else if (dev_drv->win[i]->area[j].state == 0) {
1789                                 if (dev_drv->ops->get_win_state) {
1790                                         win_status =
1791                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1792                                         if (win_status)
1793                                                 wait_for_vsync = true;
1794                                 }
1795                         } else {
1796                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1797                                        i, dev_drv->win[i]->state);
1798                         }
1799                 }
1800         }
1801
1802         return wait_for_vsync;
1803 }
1804
1805 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1806 {
1807         int i, j, state, page_fault = 0;
1808         unsigned int dsp_addr[5][4];
1809
1810         if (dev_drv->ops->extern_func) {
1811                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1812                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1813         }
1814         if (page_fault) {
1815                 pr_info("last config:\n");
1816                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1817                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1818                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1819                                         continue;
1820                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1821                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1822                         }
1823                 }
1824
1825                 pr_info("last freed buffer:\n");
1826                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1827                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1828
1829                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1830                 pr_info("vop now state:\n");
1831                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1832                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1833                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1834                                         continue;
1835                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1836                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1837                                         i, j, state, dsp_addr[i][j]);
1838                         }
1839                 }
1840                 pr_info("now config:\n");
1841                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1842                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1843                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1844                                         continue;
1845                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1846                                         i, j, g_now_config_state[i][j],
1847                                         g_now_config_addr[i][j]);
1848                         }
1849                 }
1850                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1851                         rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1852                                            &dev_drv->tmp_regs[i], 0);
1853         }
1854
1855         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1856                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1857                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1858                                 continue;
1859                         g_last_addr[i][j] = g_now_config_addr[i][j];
1860                         g_last_state[i][j] = g_now_config_state[i][j];
1861                 }
1862         }
1863
1864         return page_fault;
1865 }
1866 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1867                              struct rk_fb_reg_data *regs)
1868 {
1869         int i, j;
1870         struct rk_lcdc_win *win;
1871         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1872         struct rk_fb_reg_win_data *win_data;
1873         bool wait_for_vsync;
1874         int count = 100;
1875         long timeout;
1876         int pagefault = 0;
1877
1878         if (dev_drv->suspend_flag == 1) {
1879 #ifdef H_USE_FENCE
1880                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1881 #endif
1882                 for (i = 0; i < regs->win_num; i++) {
1883                         win_data = &regs->reg_win_data[i];
1884                         rk_fb_free_dma_buf(dev_drv, win_data);
1885                 }
1886                 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1887                         rk_fb_free_wb_buf(dev_drv, &regs->reg_wb_data);
1888                 kfree(regs);
1889                 return;
1890         }
1891         /* acq_fence wait */
1892         for (i = 0; i < regs->win_num; i++) {
1893                 win_data = &regs->reg_win_data[i];
1894                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1895                         if (win_data->reg_area_data[j].acq_fence)
1896                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1897                 }
1898         }
1899
1900         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1901                 win = dev_drv->win[i];
1902                 win_data = rk_fb_get_win_data(regs, i);
1903                 if (win_data) {
1904                         mutex_lock(&dev_drv->win_config);
1905                         rk_fb_update_win(dev_drv, win, win_data);
1906                         win->state = 1;
1907                         dev_drv->ops->set_par(dev_drv, i);
1908                         dev_drv->ops->pan_display(dev_drv, i);
1909                         mutex_unlock(&dev_drv->win_config);
1910                 } else {
1911                         win->z_order = -1;
1912                         win->state = 0;
1913                         for (j = 0; j < 4; j++) {
1914                                 win->area[j].state = 0;
1915                                 win->area[j].fbdc_en = 0;
1916                         }
1917                         if (dev_drv->iommu_enabled) {
1918                                 for (j = 0; j < 4; j++) {
1919                                         g_now_config_addr[i][j] = 0;
1920                                         g_now_config_state[i][j] = 0;
1921                                 }
1922                         }
1923                 }
1924         }
1925         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1926
1927         if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1928                 memcpy(&dev_drv->wb_data, &regs->reg_wb_data,
1929                        sizeof(struct rk_fb_reg_wb_data));
1930                 if (dev_drv->ops->set_wb)
1931                         dev_drv->ops->set_wb(dev_drv);
1932         }
1933
1934         if (rk_fb_iommu_debug > 0)
1935                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1936
1937         if (pagefault == 0)
1938                 dev_drv->ops->cfg_done(dev_drv);
1939         else
1940                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1941
1942         do {
1943                 timestamp = dev_drv->vsync_info.timestamp;
1944                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1945                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1946                                 msecs_to_jiffies(50));
1947
1948                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1949         } while (wait_for_vsync && count--);
1950 #ifdef H_USE_FENCE
1951         sw_sync_timeline_inc(dev_drv->timeline, 1);
1952 #endif
1953
1954         if (dev_drv->front_regs) {
1955                 if (dev_drv->iommu_enabled) {
1956                         if (dev_drv->ops->mmu_en)
1957                                 dev_drv->ops->mmu_en(dev_drv);
1958                         freed_index = 0;
1959                         g_last_timeout = timeout;
1960                 }
1961
1962                 mutex_lock(&dev_drv->front_lock);
1963
1964                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1965                         win_data = &dev_drv->front_regs->reg_win_data[i];
1966                         rk_fb_free_dma_buf(dev_drv, win_data);
1967                 }
1968                 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1969                         rk_fb_free_wb_buf(dev_drv,
1970                                           &dev_drv->front_regs->reg_wb_data);
1971                 kfree(dev_drv->front_regs);
1972
1973                 mutex_unlock(&dev_drv->front_lock);
1974
1975                 if (dev_drv->iommu_enabled)
1976                         freed_addr[freed_index] = 0xfefefefe;
1977         }
1978
1979         mutex_lock(&dev_drv->front_lock);
1980
1981         dev_drv->front_regs = regs;
1982
1983         mutex_unlock(&dev_drv->front_lock);
1984
1985         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1986 }
1987
1988 static void rk_fb_update_regs_handler(struct kthread_work *work)
1989 {
1990         struct rk_lcdc_driver *dev_drv =
1991             container_of(work, struct rk_lcdc_driver, update_regs_work);
1992         struct rk_fb_reg_data *data, *next;
1993
1994         mutex_lock(&dev_drv->update_regs_list_lock);
1995         dev_drv->saved_list = dev_drv->update_regs_list;
1996         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1997         mutex_unlock(&dev_drv->update_regs_list_lock);
1998
1999         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
2000                 list_del(&data->list);
2001                 rk_fb_update_reg(dev_drv, data);
2002         }
2003
2004         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2005                 wake_up(&dev_drv->update_regs_wait);
2006 }
2007
2008 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2009                                   struct rk_screen *screen)
2010 {
2011         if (area_par->phy_addr > 0)
2012                 pr_err("%s[%d], phy_addr = 0x%x\n",
2013                        __func__, __LINE__, area_par->phy_addr);
2014         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2015             (area_par->xact <= 0) || (area_par->yact <= 0) ||
2016             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2017                 pr_err("check config var fail 0:\n"
2018                        "x_offset=%d,xact=%d,xvir=%d\n",
2019                        area_par->x_offset, area_par->xact, area_par->xvir);
2020                 return -EINVAL;
2021         }
2022
2023         if ((area_par->xpos >= screen->mode.xres) ||
2024             (area_par->ypos >= screen->mode.yres) ||
2025             ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2026                 pr_warn("check config var fail 1:\n"
2027                         "xpos=%d,xsize=%d,xres=%d\n"
2028                         "ypos=%d,ysize=%d,yres=%d\n",
2029                         area_par->xpos, area_par->xsize, screen->mode.xres,
2030                         area_par->ypos, area_par->ysize, screen->mode.yres);
2031                 return -EINVAL;
2032         }
2033         return 0;
2034 }
2035
2036 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2037                               struct rk_fb_win_cfg_data *win_data,
2038                               struct rk_fb_reg_data *regs, u32 cmd)
2039 {
2040         int i, j;
2041         struct rk_fb_win_par *win_par;
2042         struct rk_fb_area_par *area_par;
2043         struct rk_fb_reg_win_data *reg_win_data;
2044         struct rk_fb_reg_area_data *area_data;
2045
2046         rk_fb_dbg(cmd, "-------------frame start-------------\n");
2047         rk_fb_dbg(cmd, "user config:\n");
2048         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2049                 win_par = &(win_data->win_par[i]);
2050                 if ((win_par->area_par[0].ion_fd <= 0) &&
2051                     (win_par->area_par[0].phy_addr <= 0))
2052                         continue;
2053                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2054                           win_par->win_id, win_par->z_order,
2055                           win_par->g_alpha_val);
2056                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2057                         area_par = &(win_par->area_par[j]);
2058                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2059                             ((win_par->area_par[j].ion_fd <= 0) &&
2060                              (win_par->area_par[j].phy_addr <= 0)))
2061                                 continue;
2062                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2063                                   j, area_par->data_format, area_par->ion_fd,
2064                                   area_par->phy_addr, area_par->x_offset,
2065                                   area_par->y_offset);
2066                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2067                                   area_par->xpos, area_par->ypos,
2068                                   area_par->xsize, area_par->ysize);
2069                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2070                                   area_par->xact, area_par->yact,
2071                                   area_par->xvir, area_par->yvir);
2072                 }
2073         }
2074
2075         rk_fb_dbg(cmd, "regs data:\n");
2076         rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2077                   regs->win_num, regs->buf_num);
2078         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2079                 reg_win_data = &(regs->reg_win_data[i]);
2080                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2081                         continue;
2082                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2083                           reg_win_data->win_id, reg_win_data->z_order,
2084                           reg_win_data->area_num, reg_win_data->area_buf_num);
2085                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2086                         area_data = &(reg_win_data->reg_area_data[j]);
2087                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2088                             (area_data->smem_start <= 0))
2089                                 continue;
2090                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2091                                   j, area_data->data_format, area_data->ion_handle,
2092                                   area_data->smem_start, area_data->cbr_start);
2093                         rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2094                                   area_data->y_offset, area_data->c_offset, area_data->buff_len);
2095                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2096                                   area_data->xpos, area_data->ypos,
2097                                   area_data->xsize, area_data->ysize);
2098                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2099                                   area_data->xact, area_data->yact,
2100                                   area_data->xvir, area_data->yvir);
2101                 }
2102         }
2103         rk_fb_dbg(cmd, "-------------frame end---------------\n");
2104
2105         return 0;
2106 }
2107 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2108                                struct rk_fb_win_cfg_data *win_cfg,
2109                                struct rk_fb_reg_data *regs)
2110 {
2111         int i;
2112
2113         /*2->1->0: 0 is newest*/
2114         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2115                 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2116                        &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2117                        sizeof(struct rk_fb_win_cfg_data));
2118                 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2119                        &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2120                        sizeof(struct rk_fb_reg_data));
2121         }
2122
2123         memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2124                sizeof(struct rk_fb_win_cfg_data));
2125         memcpy(&dev_drv->tmp_regs[0], regs,
2126                sizeof(struct rk_fb_reg_data));
2127
2128         return 0;
2129 }
2130
2131 static int rk_fb_set_wb_buffer(struct fb_info *info,
2132                                struct rk_fb_wb_cfg *wb_cfg,
2133                                struct rk_fb_reg_wb_data *wb_data)
2134 {
2135         int ret = 0;
2136         ion_phys_addr_t phy_addr;
2137         size_t len;
2138         u8 fb_data_fmt;
2139         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2140         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2141         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2142
2143         if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2144                 wb_data->state = 0;
2145                 return 0;
2146         }
2147         if (wb_cfg->phy_addr == 0) {
2148                 wb_data->ion_handle =
2149                     ion_import_dma_buf(rk_fb->ion_client,
2150                                        wb_cfg->ion_fd);
2151                 if (IS_ERR(wb_data->ion_handle)) {
2152                         pr_info("Could not import handle: %ld\n",
2153                                 (long)wb_data->ion_handle);
2154                         return -EINVAL;
2155                 }
2156                 if (dev_drv->iommu_enabled)
2157                         ret = ion_map_iommu(dev_drv->dev,
2158                                             rk_fb->ion_client,
2159                                             wb_data->ion_handle,
2160                                             (unsigned long *)&phy_addr,
2161                                             (unsigned long *)&len);
2162                 else
2163                         ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2164                                        &phy_addr, &len);
2165                 if (ret < 0) {
2166                         pr_err("ion map to get phy addr failed\n");
2167                         ion_free(rk_fb->ion_client, wb_data->ion_handle);
2168                         return -ENOMEM;
2169                 }
2170                 wb_data->smem_start = phy_addr;
2171         } else {
2172                 wb_data->smem_start = wb_cfg->phy_addr;
2173         }
2174
2175         fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2176         if (IS_YUV_FMT(fb_data_fmt))
2177                 wb_data->cbr_start = wb_data->smem_start +
2178                                         wb_cfg->xsize * wb_cfg->ysize;
2179         wb_data->xsize = wb_cfg->xsize;
2180         wb_data->ysize = wb_cfg->ysize;
2181         wb_data->data_format = fb_data_fmt;
2182         wb_data->state = 1;
2183
2184         return 0;
2185 }
2186
2187 static int rk_fb_set_win_buffer(struct fb_info *info,
2188                                 struct rk_fb_win_par *win_par,
2189                                 struct rk_fb_reg_win_data *reg_win_data)
2190 {
2191         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2192         struct fb_fix_screeninfo *fix = &info->fix;
2193         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2194         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2195         /*if hdmi size move to hwc,screen should point to cur_screen
2196          *otherwise point to screen0[main screen]*/
2197         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2198         struct fb_info *fbi;
2199         int i, ion_fd, acq_fence_fd;
2200         u32 xvir = 0, yvir = 0;
2201         u32 xoffset = 0, yoffset = 0;
2202
2203         struct ion_handle *hdl;
2204         size_t len;
2205         int index_buf = 0;
2206         u8 fb_data_fmt = 0;
2207         u8 pixel_width = 0;
2208         u32 vir_width_bit = 0;
2209         u32 stride = 0, uv_stride = 0;
2210         u32 stride_32bit_1 = 0;
2211         u32 stride_32bit_2 = 0;
2212         u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2213         u8 is_pic_yuv = 0;
2214         u8 ppixel_a = 0, global_a = 0;
2215         ion_phys_addr_t phy_addr;
2216         int ret = 0;
2217         int buff_len = 0;
2218
2219         reg_win_data->reg_area_data[0].smem_start = -1;
2220         reg_win_data->area_num = 0;
2221         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2222         if (win_par->area_par[0].phy_addr == 0) {
2223                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2224                         ion_fd = win_par->area_par[i].ion_fd;
2225                         if (ion_fd > 0) {
2226                                 hdl =
2227                                     ion_import_dma_buf(rk_fb->ion_client,
2228                                                        ion_fd);
2229                                 if (IS_ERR(hdl)) {
2230                                         pr_info("%s: Could not import handle:"
2231                                                 " %ld\n", __func__, (long)hdl);
2232                                         return -EINVAL;
2233                                         break;
2234                                 }
2235                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2236                                 if (dev_drv->iommu_enabled)
2237                                         ret = ion_map_iommu(dev_drv->dev,
2238                                                             rk_fb->ion_client,
2239                                                             hdl,
2240                                                             (unsigned long *)&phy_addr,
2241                                                             (unsigned long *)&len);
2242                                 else
2243                                         ret = ion_phys(rk_fb->ion_client, hdl,
2244                                                        &phy_addr, &len);
2245                                 if (ret < 0) {
2246                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2247                                         ion_free(rk_fb->ion_client, hdl);
2248                                         return -ENOMEM;
2249                                 }
2250                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2251                                 reg_win_data->area_num++;
2252                                 reg_win_data->area_buf_num++;
2253                                 reg_win_data->reg_area_data[i].index_buf = 1;
2254                                 reg_win_data->reg_area_data[i].buff_len = len;
2255                         }
2256                 }
2257         } else {
2258                 reg_win_data->reg_area_data[0].smem_start =
2259                     win_par->area_par[0].phy_addr;
2260                 reg_win_data->area_num = 1;
2261                 reg_win_data->area_buf_num++;
2262                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2263         }
2264
2265         if (reg_win_data->area_num == 0) {
2266                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2267                         reg_win_data->reg_area_data[i].smem_start = 0;
2268                 reg_win_data->z_order = -1;
2269                 reg_win_data->win_id = -1;
2270                 return 0;
2271         }
2272
2273         for (i = 0; i < reg_win_data->area_num; i++) {
2274                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2275                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2276                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2277                         reg_win_data->reg_area_data[i].acq_fence =
2278                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2279                 }
2280         }
2281         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2282                 reg_win_data->z_order = win_par->z_order;
2283                 reg_win_data->win_id = win_par->win_id;
2284         } else {
2285                 reg_win_data->z_order = -1;
2286                 reg_win_data->win_id = -1;
2287         }
2288
2289         reg_win_data->mirror_en = win_par->mirror_en;
2290         for (i = 0; i < reg_win_data->area_num; i++) {
2291                 u8 data_format = win_par->area_par[i].data_format;
2292                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2293                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2294                 data_format &= ~CSC_MASK;
2295                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2296                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2297                 if (IS_FBDC_FMT(fb_data_fmt)) {
2298                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2299                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2300                 } else {
2301                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2302                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2303                 }
2304                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2305
2306                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2307                              (fb_data_fmt == FBDC_ARGB_888) ||
2308                              (fb_data_fmt == FBDC_ABGR_888) ||
2309                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2310                 /*act_height should be 2 pix align for interlace output*/
2311                 if (win_par->area_par[i].yact % 2 == 1) {
2312                         win_par->area_par[i].yact  -= 1;
2313                         win_par->area_par[i].ysize -= 1;
2314                 }
2315
2316                 /* buf offset should be 2 pix align*/
2317                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2318                     IS_YUV_FMT(fb_data_fmt)) {
2319                         win_par->area_par[i].x_offset += 1;
2320                         win_par->area_par[i].xact -= 1;
2321                 }
2322
2323                 /* visiable pos in panel */
2324                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2325                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2326
2327                 /* realy size in panel */
2328                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2329                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2330
2331                 /* realy size in panel */
2332                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2333                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2334
2335                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2336                 yoffset = win_par->area_par[i].y_offset;
2337                 reg_win_data->reg_area_data[i].xoff = xoffset;
2338                 reg_win_data->reg_area_data[i].yoff = yoffset;
2339
2340                 xvir = win_par->area_par[i].xvir;
2341                 reg_win_data->reg_area_data[i].xvir = xvir;
2342                 yvir = win_par->area_par[i].yvir;
2343                 reg_win_data->reg_area_data[i].yvir = yvir;
2344
2345                 vir_width_bit = pixel_width * xvir;
2346                 /* pixel_width = byte_num*8 */
2347                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2348                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2349
2350                 stride = stride_32bit_1;        /* default rgb */
2351                 fix->line_length = stride;
2352                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2353
2354                 /* x y mirror ,jump line
2355                  * reg_win_data->reg_area_data[i].y_offset =
2356                  *              yoffset*stride+xoffset*pixel_width/8;
2357                  */
2358                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2359                         if (screen->interlace == 1) {
2360                                 reg_win_data->reg_area_data[i].y_offset =
2361                                     yoffset * stride * 2 +
2362                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2363                                     xoffset * pixel_width / 8;
2364                         } else {
2365                                 reg_win_data->reg_area_data[i].y_offset =
2366                                     yoffset * stride +
2367                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2368                                     xoffset * pixel_width / 8;
2369                         }
2370                 } else {
2371                         if (screen->interlace == 1) {
2372                                 reg_win_data->reg_area_data[i].y_offset =
2373                                     yoffset * stride * 2 +
2374                                     xoffset * pixel_width / 8;
2375                         } else {
2376                                 reg_win_data->reg_area_data[i].y_offset =
2377                                     yoffset * stride +
2378                                     xoffset * pixel_width / 8;
2379                         }
2380                 }
2381                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2382                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2383                                 reg_win_data->reg_area_data[i].xvir *
2384                                 reg_win_data->reg_area_data[i].yact *
2385                                 pixel_width / 8 -
2386                                 reg_win_data->reg_area_data[i].xoff*
2387                                 pixel_width / 8;
2388                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2389                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2390                                        "yact[%d]*bpp[%d]"
2391                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2392                                        fb_data_fmt,
2393                                        reg_win_data->reg_area_data[i].xvir,
2394                                        reg_win_data->reg_area_data[i].yact,
2395                                        pixel_width, buff_len,
2396                                        reg_win_data->reg_area_data[i].buff_len);
2397                 }
2398         }
2399
2400         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2401         reg_win_data->alpha_en = ppixel_a | global_a;
2402         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2403         reg_win_data->alpha_mode = win_par->alpha_mode;
2404
2405         switch (fb_data_fmt) {
2406         case YUV422:
2407         case YUV422_A:
2408                 is_pic_yuv = 1;
2409                 stride = stride_32bit_1;
2410                 uv_stride = stride_32bit_1;
2411                 uv_x_off = xoffset;
2412                 uv_y_off = yoffset;
2413                 fix->line_length = stride;
2414                 uv_y_act = win_par->area_par[0].yact >> 1;
2415                 break;
2416         case YUV420:            /* nv12 */
2417         case YUV420_NV21:       /* nv21 */
2418         case YUV420_A:
2419                 is_pic_yuv = 1;
2420                 stride = stride_32bit_1;
2421                 uv_stride = stride_32bit_1;
2422                 uv_x_off = xoffset;
2423                 uv_y_off = yoffset >> 1;
2424                 fix->line_length = stride;
2425                 uv_y_act = win_par->area_par[0].yact >> 1;
2426                 break;
2427         case YUV444:
2428         case YUV444_A:
2429                 is_pic_yuv = 1;
2430                 stride = stride_32bit_1;
2431                 uv_stride = stride_32bit_2;
2432                 uv_x_off = xoffset * 2;
2433                 uv_y_off = yoffset;
2434                 fix->line_length = stride << 2;
2435                 uv_y_act = win_par->area_par[0].yact;
2436                 break;
2437         default:
2438                 break;
2439         }
2440         if (is_pic_yuv == 1) {
2441                 reg_win_data->reg_area_data[0].cbr_start =
2442                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2443                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2444                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2445                         if (screen->interlace == 1) {
2446                                 reg_win_data->reg_area_data[0].c_offset =
2447                                     uv_y_off * uv_stride * 2 +
2448                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2449                                     uv_x_off * pixel_width / 8;
2450                         } else {
2451                                 reg_win_data->reg_area_data[0].c_offset =
2452                                     uv_y_off * uv_stride +
2453                                     (uv_y_act - 1) * uv_stride +
2454                                     uv_x_off * pixel_width / 8;
2455                         }
2456                 } else {
2457                         if (screen->interlace == 1) {
2458                                 reg_win_data->reg_area_data[0].c_offset =
2459                                     uv_y_off * uv_stride * 2 +
2460                                     uv_x_off * pixel_width / 8;
2461                         } else {
2462                                 reg_win_data->reg_area_data[0].c_offset =
2463                                     uv_y_off * uv_stride +
2464                                     uv_x_off * pixel_width / 8;
2465                         }
2466                 }
2467                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2468                         reg_win_data->reg_area_data[0].c_offset +
2469                         reg_win_data->reg_area_data[0].xvir *
2470                         reg_win_data->reg_area_data[0].yact *
2471                         pixel_width / 16 -
2472                         reg_win_data->reg_area_data[0].smem_start -
2473                         reg_win_data->reg_area_data[0].xoff*
2474                         pixel_width / 16;
2475                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2476                      dev_drv->iommu_enabled)
2477                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2478                                "yact[%d]*bpp[%d]"
2479                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2480                                fb_data_fmt,
2481                                reg_win_data->reg_area_data[0].xvir,
2482                                reg_win_data->reg_area_data[0].yact,
2483                                pixel_width, buff_len,
2484                                reg_win_data->reg_area_data[0].buff_len);
2485         }
2486
2487         /* record buffer information for rk_fb_disp_scale to prevent fence
2488          * timeout because rk_fb_disp_scale will call function
2489          * info->fbops->fb_set_par(info);
2490          * delete by hjc for new hdmi overscan framework.
2491          */
2492         /* info->var.yoffset = yoffset;
2493          * info->var.xoffset = xoffset;
2494          */
2495         return 0;
2496 }
2497
2498 static int rk_fb_set_win_config(struct fb_info *info,
2499                                 struct rk_fb_win_cfg_data *win_data)
2500 {
2501         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2502         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2503         struct rk_fb_reg_data *regs;
2504 #ifdef H_USE_FENCE
2505         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2506         struct sync_fence *retire_fence;
2507         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2508         struct sync_pt *retire_sync_pt;
2509         char fence_name[20];
2510 #endif
2511         int ret = 0, i, j = 0;
2512         int list_is_empty = 0;
2513         struct rk_screen *screen = dev_drv->cur_screen;
2514
2515         mutex_lock(&dev_drv->output_lock);
2516
2517         for (i = 0; i < 4; i++) {
2518                 for (j = 0; j < 4; j++) {
2519                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2520                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2521                                 ret += rk_fb_check_config_var(
2522                                         &win_data->win_par[i].area_par[j],
2523                                         screen);
2524                 }
2525         }
2526         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2527                 dev_drv->timeline_max++;
2528                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2529                 if (dev_drv->suspend_flag)
2530                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2531                 else if (dev_drv->hdmi_switch)
2532                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2533                 else
2534                         pr_err("error config ,ignore\n");
2535                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2536                         win_data->rel_fence_fd[j] = -1;
2537                 win_data->ret_fence_fd = -1;
2538                 goto err;
2539         }
2540
2541         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2542         if (!regs) {
2543                 pr_info("could not allocate rk_fb_reg_data\n");
2544                 ret = -ENOMEM;
2545                 goto err;
2546         }
2547
2548         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2549                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2550                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2551                                                  &regs->reg_win_data[j])) {
2552                                 ret = -ENOMEM;
2553                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2554                                 goto err2;
2555                         }
2556                         if (regs->reg_win_data[j].area_num > 0) {
2557                                 regs->win_num++;
2558                                 regs->buf_num +=
2559                                     regs->reg_win_data[j].area_buf_num;
2560                         }
2561                         j++;
2562                 } else {
2563                         pr_info("error:win_id bigger than lcdc_win_num\n");
2564                         pr_info("i=%d,win_id=%d\n", i,
2565                                 win_data->win_par[i].win_id);
2566                 }
2567         }
2568         if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2569                 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2570                                     &regs->reg_wb_data);
2571         if (regs->win_num <= 0)
2572                 goto err_null_frame;
2573
2574         dev_drv->timeline_max++;
2575 #ifdef H_USE_FENCE
2576         win_data->ret_fence_fd = get_unused_fd_flags(0);
2577         if (win_data->ret_fence_fd < 0) {
2578                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2579                 win_data->ret_fence_fd = -1;
2580                 ret = -EFAULT;
2581                 goto err2;
2582         }
2583         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2584                 if (i < regs->buf_num) {
2585                         sprintf(fence_name, "fence%d", i);
2586                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2587                         if (win_data->rel_fence_fd[i] < 0) {
2588                                 pr_info("rel_fence_fd=%d\n",
2589                                         win_data->rel_fence_fd[i]);
2590                                 ret = -EFAULT;
2591                                 goto err2;
2592                         }
2593                         release_sync_pt[i] =
2594                             sw_sync_pt_create(dev_drv->timeline,
2595                                               dev_drv->timeline_max);
2596                         release_fence[i] =
2597                             sync_fence_create(fence_name, release_sync_pt[i]);
2598                         sync_fence_install(release_fence[i],
2599                                            win_data->rel_fence_fd[i]);
2600                 } else {
2601                         win_data->rel_fence_fd[i] = -1;
2602                 }
2603         }
2604
2605         retire_sync_pt =
2606             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2607         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2608         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2609 #else
2610         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2611                 win_data->rel_fence_fd[i] = -1;
2612
2613         win_data->ret_fence_fd = -1;
2614 #endif
2615         if (dev_drv->wait_fs == 0) {
2616                 mutex_lock(&dev_drv->update_regs_list_lock);
2617                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2618                 mutex_unlock(&dev_drv->update_regs_list_lock);
2619                 queue_kthread_work(&dev_drv->update_regs_worker,
2620                                    &dev_drv->update_regs_work);
2621         } else {
2622                 mutex_lock(&dev_drv->update_regs_list_lock);
2623                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2624                                         list_empty(&dev_drv->saved_list);
2625                 mutex_unlock(&dev_drv->update_regs_list_lock);
2626                 if (!list_is_empty) {
2627                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2628                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2629                                 msecs_to_jiffies(60));
2630                         if (ret > 0)
2631                                 rk_fb_update_reg(dev_drv, regs);
2632                         else
2633                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2634                 } else if (ret == 0) {
2635                         rk_fb_update_reg(dev_drv, regs);
2636                 }
2637         }
2638         if (rk_fb_debug_lvl > 0)
2639                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2640         if (rk_fb_iommu_debug > 0)
2641                 rk_fb_config_backup(dev_drv, win_data, regs);
2642 err:
2643         mutex_unlock(&dev_drv->output_lock);
2644         return ret;
2645 err_null_frame:
2646         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2647                 win_data->rel_fence_fd[j] = -1;
2648         win_data->ret_fence_fd = -1;
2649         pr_info("win num = %d,null frame\n", regs->win_num);
2650 err2:
2651         kfree(regs);
2652         mutex_unlock(&dev_drv->output_lock);
2653
2654         return ret;
2655 }
2656
2657 #if 1
2658 static int cfgdone_distlist[10] = { 0 };
2659
2660 static int cfgdone_index;
2661 static int cfgdone_lasttime;
2662
2663 int rk_get_real_fps(int before)
2664 {
2665         struct timespec now;
2666         int dist_curr;
2667         int dist_total = 0;
2668         int dist_count = 0;
2669         int dist_first = 0;
2670
2671         int index = cfgdone_index;
2672         int i = 0, fps = 0;
2673         int total;
2674
2675         if (before > 100)
2676                 before = 100;
2677         if (before < 0)
2678                 before = 0;
2679
2680         getnstimeofday(&now);
2681         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2682                         cfgdone_lasttime;
2683         total = dist_curr;
2684         for (i = 0; i < 10; i++) {
2685                 if (--index < 0)
2686                         index = 9;
2687                 total += cfgdone_distlist[index];
2688                 if (i == 0)
2689                         dist_first = cfgdone_distlist[index];
2690                 if (total < (before * 1000)) {
2691                         dist_total += cfgdone_distlist[index];
2692                         dist_count++;
2693                 } else {
2694                         break;
2695                 }
2696         }
2697
2698         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2699         dist_total += dist_curr;
2700         dist_count++;
2701
2702         if (dist_total > 0)
2703                 fps = (1000000 * dist_count) / dist_total;
2704         else
2705                 fps = 60;
2706
2707         return fps;
2708 }
2709 EXPORT_SYMBOL(rk_get_real_fps);
2710
2711 #endif
2712 #define ION_MAX 10
2713 static struct ion_handle *ion_hanle[ION_MAX];
2714 static struct ion_handle *ion_hwc[1];
2715 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2716                        unsigned long arg)
2717 {
2718         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2719         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2720         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2721         struct fb_fix_screeninfo *fix = &info->fix;
2722         struct rk_lcdc_win *win;
2723         int enable;     /* enable fb:1 enable;0 disable */
2724         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2725         int num_buf;    /* buffer_number */
2726         int ret = 0;
2727         struct rk_fb_win_cfg_data win_data;
2728         unsigned int dsp_addr[4][4];
2729         int list_stat;
2730
2731         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2732         void __user *argp = (void __user *)arg;
2733
2734         win = dev_drv->win[win_id];
2735         switch (cmd) {
2736         case RK_FBIOSET_HWC_ADDR:
2737         {
2738                 u32 hwc_phy[1];
2739
2740                 if (copy_from_user(hwc_phy, argp, 4))
2741                         return -EFAULT;
2742                 if (!dev_drv->iommu_enabled) {
2743                         fix->smem_start = hwc_phy[0];
2744                 } else {
2745                         int usr_fd;
2746                         struct ion_handle *hdl;
2747                         ion_phys_addr_t phy_addr;
2748                         size_t len;
2749
2750                         usr_fd = hwc_phy[0];
2751                         if (!usr_fd) {
2752                                 fix->smem_start = 0;
2753                                 fix->mmio_start = 0;
2754                                 dev_drv->ops->open(dev_drv, win_id, 0);
2755                                 break;
2756                         }
2757
2758                         if (ion_hwc[0] != 0) {
2759                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2760                                 ion_hwc[0] = 0;
2761                         }
2762
2763                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2764                         if (IS_ERR(hdl)) {
2765                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2766                                         PTR_ERR(hdl));
2767                                 return -EFAULT;
2768                         }
2769
2770                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2771                                             (unsigned long *)&phy_addr,
2772                                             (unsigned long *)&len);
2773                         if (ret < 0) {
2774                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2775                                 ion_free(rk_fb->ion_client, hdl);
2776                                 return -ENOMEM;
2777                         }
2778                         fix->smem_start = phy_addr;
2779                         ion_hwc[0] = hdl;
2780                 }
2781                 break;
2782         }
2783         case RK_FBIOSET_YUV_ADDR:
2784                 {
2785                         u32 yuv_phy[2];
2786
2787                         if (copy_from_user(yuv_phy, argp, 8))
2788                                 return -EFAULT;
2789                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2790                                 fix->smem_start = yuv_phy[0];
2791                                 fix->mmio_start = yuv_phy[1];
2792                         } else {
2793                                 int usr_fd, offset, tmp;
2794                                 struct ion_handle *hdl;
2795                                 ion_phys_addr_t phy_addr;
2796                                 size_t len;
2797
2798                                 usr_fd = yuv_phy[0];
2799                                 offset = yuv_phy[1] - yuv_phy[0];
2800                                 if (!usr_fd) {
2801                                         fix->smem_start = 0;
2802                                         fix->mmio_start = 0;
2803                                         break;
2804                                 }
2805
2806                                 if (ion_hanle[ION_MAX - 1] != 0) {
2807                                         /*ion_unmap_kernel(rk_fb->ion_client,
2808                                          *      ion_hanle[ION_MAX - 1]);
2809                                          *ion_unmap_iommu(dev_drv->dev,
2810                                          *      rk_fb->ion_client,
2811                                          *      ion_hanle[ION_MAX - 1]);
2812                                          */
2813                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2814                                         ion_hanle[ION_MAX - 1] = 0;
2815                                 }
2816
2817                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2818                                 if (IS_ERR(hdl)) {
2819                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2820                                                 PTR_ERR(hdl));
2821                                         return -EFAULT;
2822                                 }
2823
2824                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2825                                                     (unsigned long *)&phy_addr,
2826                                                     (unsigned long *)&len);
2827                                 if (ret < 0) {
2828                                         dev_err(info->dev, "ion map to get phy addr failed");
2829                                         ion_free(rk_fb->ion_client, hdl);
2830                                         return -ENOMEM;
2831                                 }
2832                                 fix->smem_start = phy_addr;
2833                                 fix->mmio_start = phy_addr + offset;
2834                                 fix->smem_len = len;
2835                                 /*info->screen_base =
2836                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2837                                  */
2838                                 ion_hanle[0] = hdl;
2839                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2840                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2841                                 ion_hanle[0] = 0;
2842                         }
2843                         break;
2844                 }
2845         case RK_FBIOSET_ENABLE:
2846                 if (copy_from_user(&enable, argp, sizeof(enable)))
2847                         return -EFAULT;
2848                                 if (enable && fb_par->state)
2849                                         fb_par->state++;
2850                                 else
2851                                         fb_par->state--;
2852                 dev_drv->ops->open(dev_drv, win_id, enable);
2853                 break;
2854         case RK_FBIOGET_ENABLE:
2855                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2856                 if (copy_to_user(argp, &enable, sizeof(enable)))
2857                         return -EFAULT;
2858                 break;
2859         case RK_FBIOSET_OVERLAY_STA:
2860                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2861                         return -EFAULT;
2862                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2863                 break;
2864         case RK_FBIOGET_OVERLAY_STA:
2865                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2866                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2867                         return -EFAULT;
2868                 break;
2869         case RK_FBIOPUT_NUM_BUFFERS:
2870                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2871                         return -EFAULT;
2872                 dev_drv->num_buf = num_buf;
2873                 break;
2874         case RK_FBIOSET_VSYNC_ENABLE:
2875                 if (copy_from_user(&enable, argp, sizeof(enable)))
2876                         return -EFAULT;
2877                 dev_drv->vsync_info.active = enable;
2878                 break;
2879
2880         case RK_FBIOGET_DSP_ADDR:
2881                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2882                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2883                         return -EFAULT;
2884                 break;
2885         case RK_FBIOGET_LIST_STA:
2886                 list_stat = rk_fb_get_list_stat(dev_drv);
2887                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2888                         return -EFAULT;
2889
2890                 break;
2891         case RK_FBIOGET_IOMMU_STA:
2892                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2893                                  sizeof(dev_drv->iommu_enabled)))
2894                         return -EFAULT;
2895                 break;
2896 #if defined(CONFIG_ION_ROCKCHIP)
2897         case RK_FBIOSET_DMABUF_FD:
2898                 {
2899                         int usr_fd;
2900                         struct ion_handle *hdl;
2901                         ion_phys_addr_t phy_addr;
2902                         size_t len;
2903
2904                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2905                                 return -EFAULT;
2906
2907                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2908                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2909                         fix->smem_start = phy_addr;
2910                         break;
2911                 }
2912         case RK_FBIOGET_DMABUF_FD:
2913                 {
2914                         int fd = -1;
2915
2916                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2917                                 dev_err(info->dev,
2918                                         "get dma_buf fd failed,ion handle is err\n");
2919                                 return PTR_ERR(fb_par->ion_hdl);
2920                         }
2921                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2922                                                   fb_par->ion_hdl);
2923                         if (fd < 0) {
2924                                 dev_err(info->dev,
2925                                         "ion_share_dma_buf_fd failed\n");
2926                                 return fd;
2927                         }
2928                         if (copy_to_user(argp, &fd, sizeof(fd)))
2929                                 return -EFAULT;
2930                         break;
2931                 }
2932 #endif
2933         case RK_FBIOSET_CLEAR_FB:
2934                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2935                 break;
2936         case RK_FBIOSET_CONFIG_DONE:
2937                 {
2938                         int curr = 0;
2939                         struct timespec now;
2940
2941                         getnstimeofday(&now);
2942                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2943                         cfgdone_distlist[cfgdone_index++] =
2944                                 curr - cfgdone_lasttime;
2945                         cfgdone_lasttime = curr;
2946                         if (cfgdone_index >= 10)
2947                                 cfgdone_index = 0;
2948                 }
2949                 if (copy_from_user(&win_data,
2950                                    (struct rk_fb_win_cfg_data __user *)argp,
2951                                    sizeof(win_data))) {
2952                         ret = -EFAULT;
2953                         break;
2954                 };
2955
2956                 dev_drv->wait_fs = win_data.wait_fs;
2957                 ret = rk_fb_set_win_config(info, &win_data);
2958
2959                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2960                                  &win_data, sizeof(win_data))) {
2961                         ret = -EFAULT;
2962                         break;
2963                 }
2964                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2965
2966                 if (dev_drv->uboot_logo)
2967                         dev_drv->uboot_logo = 0;
2968
2969                 break;
2970         default:
2971                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2972                 break;
2973         }
2974
2975         return ret;
2976 }
2977
2978 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2979 {
2980         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2981         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2982         struct fb_fix_screeninfo *fix = &info->fix;
2983         int win_id;
2984 #if defined(CONFIG_RK_HDMI)
2985         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2986 #endif
2987
2988         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2989         if (win_id < 0)
2990                 return -ENODEV;
2991         mutex_lock(&dev_drv->switch_screen);
2992 #if defined(CONFIG_RK_HDMI)
2993         if ((rk_fb->disp_mode == ONE_DUAL) &&
2994             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2995                 pr_info("hdmi is connect , not blank lcdc\n");
2996         } else
2997 #endif
2998         {
2999                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3000         }
3001         mutex_unlock(&dev_drv->switch_screen);
3002         return 0;
3003 }
3004
3005 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3006 {
3007         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3008             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3009             ((16 != var->bits_per_pixel) &&
3010             (32 != var->bits_per_pixel) &&
3011             (24 != var->bits_per_pixel))) {
3012                 dev_err(info->dev, "%s check var fail 1:\n"
3013                         "xres_vir:%d>>yres_vir:%d\n"
3014                         "xres:%d>>yres:%d\n"
3015                         "bits_per_pixel:%d\n",
3016                         info->fix.id,
3017                         var->xres_virtual,
3018                         var->yres_virtual,
3019                         var->xres, var->yres, var->bits_per_pixel);
3020                 return -EINVAL;
3021         }
3022
3023         if (((var->xoffset + var->xres) > var->xres_virtual) ||
3024             ((var->yoffset + var->yres) > (var->yres_virtual))) {
3025                 dev_err(info->dev, "%s check_var fail 2:\n"
3026                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3027                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3028                         info->fix.id,
3029                         var->xoffset,
3030                         var->xres,
3031                         var->xres_virtual,
3032                         var->yoffset, var->yres, var->yres_virtual);
3033                 return -EINVAL;
3034         }
3035
3036         return 0;
3037 }
3038
3039 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3040                           size_t count, loff_t *ppos)
3041 {
3042         unsigned long p = *ppos;
3043         u8 *buffer, *dst;
3044         u8 __iomem *src;
3045         int c, cnt = 0, err = 0;
3046         unsigned long total_size;
3047         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3048         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3049         struct rk_lcdc_win *win = NULL;
3050         int win_id = 0;
3051
3052         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3053         if (win_id < 0)
3054                 return -ENODEV;
3055         else
3056                 win = dev_drv->win[win_id];
3057
3058         /* only read the current frame buffer */
3059         if (win->area[0].format == RGB565) {
3060                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3061         } else if ((win->area[0].format == YUV420) ||
3062                    (win->area[0].format == YUV420_NV21)) {
3063                 total_size =
3064                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
3065         } else {
3066                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3067         }
3068         if (p >= total_size)
3069                 return 0;
3070
3071         if (count >= total_size)
3072                 count = total_size;
3073
3074         if (count + p > total_size)
3075                 count = total_size - p;
3076
3077         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3078         if (!buffer)
3079                 return -ENOMEM;
3080
3081         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3082
3083         while (count) {
3084                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3085                 dst = buffer;
3086                 fb_memcpy_fromfb(dst, src, c);
3087                 dst += c;
3088                 src += c;
3089
3090                 if (copy_to_user(buf, buffer, c)) {
3091                         err = -EFAULT;
3092                         break;
3093                 }
3094                 *ppos += c;
3095                 buf += c;
3096                 cnt += c;
3097                 count -= c;
3098         }
3099
3100         kfree(buffer);
3101
3102         return (err) ? err : cnt;
3103 }
3104
3105 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3106                            size_t count, loff_t *ppos)
3107 {
3108         unsigned long p = *ppos;
3109         u8 *buffer, *src;
3110         u8 __iomem *dst;
3111         int c, cnt = 0, err = 0;
3112         unsigned long total_size;
3113         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3114         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3115         struct rk_lcdc_win *win = NULL;
3116         int win_id = 0;
3117
3118         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3119         if (win_id < 0)
3120                 return -ENODEV;
3121         else
3122                 win = dev_drv->win[win_id];
3123
3124         /* write the current frame buffer */
3125         if (win->area[0].format == RGB565)
3126                 total_size = win->area[0].xact * win->area[0].yact << 1;
3127         else
3128                 total_size = win->area[0].xact * win->area[0].yact << 2;
3129
3130         if (p > total_size)
3131                 return -EFBIG;
3132
3133         if (count > total_size) {
3134                 err = -EFBIG;
3135                 count = total_size;
3136         }
3137
3138         if (count + p > total_size) {
3139                 if (!err)
3140                         err = -ENOSPC;
3141
3142                 count = total_size - p;
3143         }
3144
3145         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3146         if (!buffer)
3147                 return -ENOMEM;
3148
3149         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3150
3151         while (count) {
3152                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3153                 src = buffer;
3154
3155                 if (copy_from_user(src, buf, c)) {
3156                         err = -EFAULT;
3157                         break;
3158                 }
3159
3160                 fb_memcpy_tofb(dst, src, c);
3161                 dst += c;
3162                 src += c;
3163                 *ppos += c;
3164                 buf += c;
3165                 cnt += c;
3166                 count -= c;
3167         }
3168
3169         kfree(buffer);
3170
3171         return (cnt) ? cnt : err;
3172 }
3173
3174 static int rk_fb_set_par(struct fb_info *info)
3175 {
3176         struct fb_var_screeninfo *var = &info->var;
3177         struct fb_fix_screeninfo *fix = &info->fix;
3178         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3179         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3180         struct rk_lcdc_win *win = NULL;
3181         struct rk_screen *screen = dev_drv->cur_screen;
3182         int win_id = 0;
3183         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3184         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3185         u32 yoffset = var->yoffset;
3186         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3187         u16 ypos = (var->nonstd >> 20) & 0xfff;
3188         u32 xvir = var->xres_virtual;
3189         u8 data_format = var->nonstd & 0xff;
3190         u8 fb_data_fmt;
3191         u8 pixel_width = 0;
3192         u32 vir_width_bit;
3193         u32 stride, uv_stride = 0;
3194         u32 stride_32bit_1;
3195         u32 stride_32bit_2;
3196         u16 uv_x_off, uv_y_off, uv_y_act;
3197         u8 is_pic_yuv = 0;
3198         /*var->pixclock = dev_drv->pixclock;*/
3199         if (dev_drv->suspend_flag)
3200                 return 0;
3201         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3202         if (win_id < 0)
3203                 return -ENODEV;
3204         else
3205                 win = dev_drv->win[win_id];
3206
3207         /* if the application has specific the hor and ver display size */
3208         if (var->grayscale >> 8) {
3209                 xsize = (var->grayscale >> 8) & 0xfff;
3210                 ysize = (var->grayscale >> 20) & 0xfff;
3211                 if (xsize > screen->mode.xres)
3212                         xsize = screen->mode.xres;
3213                 if (ysize > screen->mode.yres)
3214                         ysize = screen->mode.yres;
3215         } else {                /*ohterwise  full  screen display */
3216                 xsize = screen->mode.xres;
3217                 ysize = screen->mode.yres;
3218         }
3219
3220         win->colorspace = CSC_FORMAT(data_format);
3221         data_format &= ~CSC_MASK;
3222         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3223         if (IS_FBDC_FMT(fb_data_fmt)) {
3224                 win->area[0].fbdc_en = 1;
3225                 win->area[0].fbdc_cor_en = 1;
3226         } else {
3227                 win->area[0].fbdc_en = 0;
3228                 win->area[0].fbdc_cor_en = 0;
3229         }
3230         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3231         vir_width_bit = pixel_width * xvir;
3232         /* pixel_width = byte_num * 8 */
3233         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3234         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3235
3236         switch (fb_data_fmt) {
3237         case YUV422:
3238         case YUV422_A:
3239                 is_pic_yuv = 1;
3240                 stride = stride_32bit_1;
3241                 uv_stride = stride_32bit_1;
3242                 uv_x_off = xoffset;
3243                 uv_y_off = yoffset;
3244                 fix->line_length = stride;
3245                 uv_y_act = win->area[0].yact >> 1;
3246                 break;
3247         case YUV420:            /* nv12 */
3248         case YUV420_NV21:       /* nv21 */
3249         case YUV420_A:
3250                 is_pic_yuv = 1;
3251                 stride = stride_32bit_1;
3252                 uv_stride = stride_32bit_1;
3253                 uv_x_off = xoffset;
3254                 uv_y_off = yoffset >> 1;
3255                 fix->line_length = stride;
3256                 uv_y_act = win->area[0].yact >> 1;
3257                 break;
3258         case YUV444:
3259         case YUV444_A:
3260                 is_pic_yuv = 1;
3261                 stride = stride_32bit_1;
3262                 uv_stride = stride_32bit_2;
3263                 uv_x_off = xoffset * 2;
3264                 uv_y_off = yoffset;
3265                 fix->line_length = stride << 2;
3266                 uv_y_act = win->area[0].yact;
3267                 break;
3268         default:
3269                 stride = stride_32bit_1;        /* default rgb */
3270                 fix->line_length = stride;
3271                 break;
3272         }
3273
3274         win->area[0].format = fb_data_fmt;
3275         win->area[0].y_vir_stride = stride >> 2;
3276         win->area[0].uv_vir_stride = uv_stride >> 2;
3277         win->area[0].xpos = xpos;
3278         win->area[0].ypos = ypos;
3279         win->area[0].xsize = xsize;
3280         win->area[0].ysize = ysize;
3281         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3282         win->area[0].yact = var->yres;
3283         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3284         win->area[0].yvir = var->yres_virtual;
3285         win->area[0].xoff = xoffset;
3286         win->area[0].yoff = yoffset;
3287         win->ymirror = 0;
3288         win->state = 1;
3289         win->last_state = 1;
3290
3291         win->area_num = 1;
3292         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3293         win->alpha_en = ((win->area[0].format == ARGB888) ||
3294                          (win->area[0].format == FBDC_ARGB_888) ||
3295                          (win->area[0].format == FBDC_ABGR_888) ||
3296                          (win->area[0].format == ABGR888)) ? 1 : 0;
3297         win->g_alpha_val = 0;
3298
3299         dev_drv->ops->set_par(dev_drv, win_id);
3300
3301         return 0;
3302 }
3303
3304 static inline unsigned int chan_to_field(unsigned int chan,
3305                                          struct fb_bitfield *bf)
3306 {
3307         chan &= 0xffff;
3308         chan >>= 16 - bf->length;
3309         return chan << bf->offset;
3310 }
3311
3312 static int fb_setcolreg(unsigned regno,
3313                         unsigned red, unsigned green, unsigned blue,
3314                         unsigned transp, struct fb_info *info)
3315 {
3316         unsigned int val;
3317
3318         switch (info->fix.visual) {
3319         case FB_VISUAL_TRUECOLOR:
3320                 /* true-colour, use pseudo-palette */
3321                 if (regno < 16) {
3322                         u32 *pal = info->pseudo_palette;
3323
3324                         val = chan_to_field(red, &info->var.red);
3325                         val |= chan_to_field(green, &info->var.green);
3326                         val |= chan_to_field(blue, &info->var.blue);
3327                         pal[regno] = val;
3328                 }
3329                 break;
3330         default:
3331                 return -1;      /* unknown type */
3332         }
3333
3334         return 0;
3335 }
3336
3337 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3338 {
3339         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3340         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3341         struct ion_handle *handle = fb_par->ion_hdl;
3342         struct dma_buf *dma_buf = NULL;
3343
3344         if (IS_ERR_OR_NULL(handle)) {
3345                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3346                         PTR_ERR(handle));
3347                 return -ENOMEM;
3348         }
3349         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3350         if (IS_ERR_OR_NULL(dma_buf)) {
3351                 pr_info("get ion share dma buf failed\n");
3352                 return -ENOMEM;
3353         }
3354
3355         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3356
3357         return dma_buf_mmap(dma_buf, vma, 0);
3358 }
3359
3360 static struct fb_ops fb_ops = {
3361         .owner = THIS_MODULE,
3362         .fb_open = rk_fb_open,
3363         .fb_release = rk_fb_close,
3364         .fb_check_var = rk_fb_check_var,
3365         .fb_set_par = rk_fb_set_par,
3366         .fb_blank = rk_fb_blank,
3367         .fb_ioctl = rk_fb_ioctl,
3368         .fb_compat_ioctl = rk_fb_ioctl,
3369         .fb_pan_display = rk_fb_pan_display,
3370         .fb_read = rk_fb_read,
3371         .fb_write = rk_fb_write,
3372         .fb_setcolreg = fb_setcolreg,
3373         .fb_fillrect = cfb_fillrect,
3374         .fb_copyarea = cfb_copyarea,
3375         .fb_imageblit = cfb_imageblit,
3376 };
3377
3378 static struct fb_var_screeninfo def_var = {
3379 #if defined(CONFIG_LOGO_LINUX_BMP)
3380         .red = {16, 8, 0},
3381         .green = {8, 8, 0},
3382         .blue = {0, 8, 0},
3383         .transp = {0, 0, 0},
3384         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3385 #else
3386         .red = {11, 5, 0},
3387         .green = {5, 6, 0},
3388         .blue = {0, 5, 0},
3389         .transp = {0, 0, 0},
3390         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3391 #endif
3392         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3393         .activate = FB_ACTIVATE_NOW,
3394         .accel_flags = 0,
3395         .vmode = FB_VMODE_NONINTERLACED,
3396 };
3397
3398 static struct fb_fix_screeninfo def_fix = {
3399         .type = FB_TYPE_PACKED_PIXELS,
3400         .type_aux = 0,
3401         .xpanstep = 1,
3402         .ypanstep = 1,
3403         .ywrapstep = 0,
3404         .accel = FB_ACCEL_NONE,
3405         .visual = FB_VISUAL_TRUECOLOR,
3406
3407 };
3408
3409 static int rk_fb_wait_for_vsync_thread(void *data)
3410 {
3411         struct rk_lcdc_driver *dev_drv = data;
3412         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3413         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3414
3415         while (!kthread_should_stop()) {
3416                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3417                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3418                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3419                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3420
3421                 if (!ret)
3422                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3423         }
3424
3425         return 0;
3426 }
3427
3428 static ssize_t rk_fb_vsync_show(struct device *dev,
3429                                 struct device_attribute *attr, char *buf)
3430 {
3431         struct fb_info *fbi = dev_get_drvdata(dev);
3432         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3433         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3434
3435         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3436                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3437 }
3438
3439 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3440
3441 /*
3442  * this two function is for other module that in the kernel which
3443  * need show image directly through fb
3444  * fb_id:we have 4 fb here,default we use fb0 for ui display
3445  */
3446 struct fb_info *rk_get_fb(int fb_id)
3447 {
3448         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3449         struct fb_info *fb = inf->fb[fb_id];
3450         return fb;
3451 }
3452 EXPORT_SYMBOL(rk_get_fb);
3453
3454 void rk_direct_fb_show(struct fb_info *fbi)
3455 {
3456         rk_fb_set_par(fbi);
3457         rk_fb_pan_display(&fbi->var, fbi);
3458 }
3459 EXPORT_SYMBOL(rk_direct_fb_show);
3460
3461 int rk_fb_dpi_open(bool open)
3462 {
3463         struct rk_lcdc_driver *dev_drv = NULL;
3464
3465         dev_drv = rk_get_prmry_lcdc_drv();
3466         if (dev_drv->ops->dpi_open)
3467                 dev_drv->ops->dpi_open(dev_drv, open);
3468         return 0;
3469 }
3470
3471 int rk_fb_dpi_win_sel(int win_id)
3472 {
3473         struct rk_lcdc_driver *dev_drv = NULL;
3474
3475         dev_drv = rk_get_prmry_lcdc_drv();
3476         if (dev_drv->ops->dpi_win_sel)
3477                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3478         return 0;
3479 }
3480
3481 int rk_fb_dpi_status(void)
3482 {
3483         int ret = 0;
3484         struct rk_lcdc_driver *dev_drv = NULL;
3485
3486         dev_drv = rk_get_prmry_lcdc_drv();
3487         if (dev_drv->ops->dpi_status)
3488                 ret = dev_drv->ops->dpi_status(dev_drv);
3489
3490         return ret;
3491 }
3492
3493 /*
3494  * function: this function will be called by display device, enable/disable lcdc
3495  * @screen: screen timing to be set to lcdc
3496  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3497  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3498  */
3499 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3500 {
3501         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3502         struct fb_info *info = NULL;
3503         struct rk_fb_par *fb_par = NULL;
3504         struct rk_lcdc_driver *dev_drv = NULL;
3505         struct rk_lcdc_win *win;
3506         char name[6] = {0};
3507         int i, win_id;
3508         static bool load_screen;
3509         char *envp[4];
3510         char envplcdc[32];
3511         char envpfbdev[32];
3512         int ret, list_is_empty = 0;
3513
3514         if (unlikely(!rk_fb) || unlikely(!screen))
3515                 return -ENODEV;
3516
3517         /* get lcdc driver */
3518         sprintf(name, "lcdc%d", lcdc_id);
3519         dev_drv = rk_get_lcdc_drv(name);
3520
3521         if (dev_drv == NULL) {
3522                 pr_err("%s driver not found!", name);
3523                 return -ENODEV;
3524         }
3525         if (screen->type == SCREEN_HDMI)
3526                 pr_info("hdmi %s lcdc%d\n",
3527                         enable ? "connect to" : "remove from",
3528                         dev_drv->id);
3529         else if (screen->type == SCREEN_TVOUT ||
3530                  screen->type == SCREEN_TVOUT_TEST)
3531                 pr_info("cvbs %s lcdc%d\n",
3532                         enable ? "connect to" : "remove from",
3533                         dev_drv->id);
3534         if (enable == 2 /*&& dev_drv->enable*/)
3535                 return 0;
3536         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3537                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3538
3539         mutex_lock(&dev_drv->switch_screen);
3540         hdmi_switch_state = 0;
3541         dev_drv->hdmi_switch = 1;
3542         if (!dev_drv->uboot_logo) {
3543                 mdelay(200);
3544                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3545                                            list_empty(&dev_drv->saved_list);
3546                 if (!list_is_empty) {
3547                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3548                                                  list_empty(&dev_drv->update_regs_list) &&
3549                                                  list_empty(&dev_drv->saved_list),
3550                                                  msecs_to_jiffies(60));
3551                         if (ret <= 0)
3552                                 pr_info("%s: wait update_regs_wait timeout\n",
3553                                         __func__);
3554                 }
3555         }
3556
3557         envp[0] = "switch vop screen";
3558         memset(envplcdc, 0, sizeof(envplcdc));
3559         memset(envpfbdev, 0, sizeof(envpfbdev));
3560         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3561         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3562         envp[1] = envplcdc;
3563         envp[2] = envpfbdev;
3564         envp[3] = NULL;
3565
3566         if ((rk_fb->disp_mode == ONE_DUAL) ||
3567             (rk_fb->disp_mode == NO_DUAL)) {
3568                 if ((dev_drv->ops->backlight_close) &&
3569                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3570                         dev_drv->ops->backlight_close(dev_drv, 1);
3571                 if (!dev_drv->uboot_logo || load_screen ||
3572                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3573                         if (dev_drv->ops->dsp_black)
3574                                 dev_drv->ops->dsp_black(dev_drv, 0);
3575                 }
3576                 if ((dev_drv->ops->set_screen_scaler) &&
3577                     (rk_fb->disp_mode == ONE_DUAL))
3578                         dev_drv->ops->set_screen_scaler(dev_drv,
3579                                                         dev_drv->screen0, 0);
3580         }
3581         if (!enable) {
3582                 /* if screen type is different, we do not disable lcdc. */
3583                 if (dev_drv->cur_screen->type != screen->type) {
3584                         dev_drv->hdmi_switch = 0;
3585                         mutex_unlock(&dev_drv->switch_screen);
3586                         return 0;
3587                 }
3588
3589                 /* if used one lcdc to dual disp, no need to close win */
3590                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3591                     ((rk_fb->disp_mode == NO_DUAL) &&
3592                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3593                         dev_drv->cur_screen = dev_drv->screen0;
3594                         dev_drv->ops->load_screen(dev_drv, 1);
3595                         /* force modify dsp size */
3596                         info = rk_fb->fb[dev_drv->fb_index_base];
3597                         info->var.grayscale &= 0xff;
3598                         info->var.grayscale |=
3599                                 (dev_drv->cur_screen->mode.xres << 8) +
3600                                 (dev_drv->cur_screen->mode.yres << 20);
3601                         mutex_lock(&dev_drv->win_config);
3602                         info->var.xoffset = 0;
3603                         info->var.yoffset = 0;
3604                         info->fbops->fb_set_par(info);
3605                         info->fbops->fb_pan_display(&info->var, info);
3606                         mutex_unlock(&dev_drv->win_config);
3607
3608                         /*
3609                          * if currently is loader display, black until new
3610                          * display job.
3611                          */
3612                         if (dev_drv->uboot_logo) {
3613                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3614                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3615                                             dev_drv->ops->win_direct_en)
3616                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3617                                 }
3618                         }
3619
3620                         /*if (dev_drv->ops->dsp_black)
3621                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3622                          */
3623                         if ((dev_drv->ops->backlight_close) &&
3624                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3625                                 dev_drv->ops->backlight_close(dev_drv, 0);
3626                 } else if (rk_fb->num_lcdc > 1) {
3627                         /* If there is more than one lcdc device, we disable
3628                          *  the layer which attached to this device
3629                          */
3630                         dev_drv->suspend_flag = 1;
3631                         flush_kthread_worker(&dev_drv->update_regs_worker);
3632                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3633                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3634                                         dev_drv->ops->open(dev_drv, i, 0);
3635                         }
3636                 }
3637                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3638
3639                 hdmi_switch_state = 0;
3640                 dev_drv->hdmi_switch = 0;
3641                 mutex_unlock(&dev_drv->switch_screen);
3642                 return 0;
3643         } else {
3644                 if (dev_drv->uboot_logo) {
3645                         if (dev_drv->cur_screen->mode.xres !=
3646                                 screen->mode.xres ||
3647                             dev_drv->cur_screen->mode.yres !=
3648                                 screen->mode.yres)
3649                                 load_screen = 1;
3650                 }
3651                 if (dev_drv->screen1)
3652                         dev_drv->cur_screen = dev_drv->screen1;
3653
3654                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3655                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3656                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3657                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3658                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3659         }
3660         if (!dev_drv->uboot_logo || load_screen ||
3661             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3662                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3663                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3664                         fb_par = (struct rk_fb_par *)info->par;
3665                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3666                         win = dev_drv->win[win_id];
3667                         if (win && fb_par->state) {
3668                                 dev_drv->ops->load_screen(dev_drv, 1);
3669
3670                                 info->var.activate |= FB_ACTIVATE_FORCE;
3671                                 if (rk_fb->disp_mode == ONE_DUAL) {
3672                                         info->var.grayscale &= 0xff;
3673                                         info->var.grayscale |=
3674                                                 (dev_drv->cur_screen->xsize << 8) +
3675                                                 (dev_drv->cur_screen->ysize << 20);
3676                                 }
3677                                 if (dev_drv->uboot_logo && win->state) {
3678                                         if (win->area[0].xpos ||
3679                                             win->area[0].ypos) {
3680                                                 win->area[0].xpos =
3681                                                         (screen->mode.xres -
3682                                                          win->area[0].xsize) / 2;
3683                                                 win->area[0].ypos =
3684                                                         (screen->mode.yres -
3685                                                          win->area[0].ysize) / 2;
3686                                         } else {
3687                                                 win->area[0].xsize =
3688                                                         screen->mode.xres;
3689                                                 win->area[0].ysize =
3690                                                         screen->mode.yres;
3691                                         }
3692                                         dev_drv->ops->set_par(dev_drv, i);
3693                                         dev_drv->ops->cfg_done(dev_drv);
3694                                 } else if (!dev_drv->win[win_id]->state) {
3695                                         dev_drv->ops->open(dev_drv, win_id, 1);
3696                                         dev_drv->suspend_flag = 0;
3697                                         /* mutex_lock(&dev_drv->win_config);
3698                                          * info->var.xoffset = 0;
3699                                          * info->var.yoffset = 0;
3700                                          * info->fbops->fb_set_par(info);
3701                                          * info->fbops->fb_pan_display(&info->var,
3702                                          *                          info);
3703                                          * mutex_unlock(&dev_drv->win_config);
3704                                          */
3705                                 }
3706                         }
3707                 }
3708         } else {
3709                 dev_drv->ops->load_screen(dev_drv, 0);
3710         }
3711         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3712
3713         hdmi_switch_state = 1;
3714         load_screen = true;
3715         dev_drv->hdmi_switch = 0;
3716         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3717                 if ((dev_drv->ops->set_screen_scaler) &&
3718                     (rk_fb->disp_mode == ONE_DUAL))
3719                         dev_drv->ops->set_screen_scaler(dev_drv,
3720                                                         dev_drv->screen0, 1);
3721                 /*if (dev_drv->ops->dsp_black)
3722                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3723                 if ((dev_drv->ops->backlight_close) &&
3724                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3725                     (rk_fb->disp_mode == ONE_DUAL))
3726                         dev_drv->ops->backlight_close(dev_drv, 0);
3727         }
3728         mutex_unlock(&dev_drv->switch_screen);
3729         return 0;
3730 }
3731
3732 /*
3733  * function:this function current only called by hdmi for
3734  *      scale the display
3735  * scale_x: scale rate of x resolution
3736  * scale_y: scale rate of y resolution
3737  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3738  */
3739 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3740 {
3741         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3742         struct fb_info *info = NULL;
3743         struct fb_info *pmy_info = NULL;
3744         struct fb_var_screeninfo *var = NULL;
3745         struct rk_lcdc_driver *dev_drv = NULL;
3746         u16 screen_x, screen_y;
3747         u16 xpos, ypos;
3748         char name[6];
3749         struct rk_screen primary_screen;
3750
3751         rk_fb_get_prmry_screen(&primary_screen);
3752         if (primary_screen.type == SCREEN_HDMI)
3753                 return 0;
3754
3755         pr_err("should not be here--%s\n", __func__);
3756
3757         return 0;
3758         sprintf(name, "lcdc%d", lcdc_id);
3759
3760         if (inf->disp_mode == DUAL) {
3761                 dev_drv = rk_get_lcdc_drv(name);
3762                 if (!dev_drv) {
3763                         pr_err("%s driver not found!", name);
3764                         return -ENODEV;
3765                 }
3766         } else {
3767                 dev_drv = inf->lcdc_dev_drv[0];
3768         }
3769
3770         if (inf->num_lcdc == 1) {
3771                 info = inf->fb[0];
3772         } else if (inf->num_lcdc == 2) {
3773                 info = inf->fb[dev_drv->lcdc_win_num];
3774                 pmy_info = inf->fb[0];
3775         }
3776
3777         var = &info->var;
3778         screen_x = dev_drv->cur_screen->mode.xres;
3779         screen_y = dev_drv->cur_screen->mode.yres;
3780
3781         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3782                 dev_drv->cur_screen->xpos =
3783                     (screen_x - screen_x * scale_x / 100) >> 1;
3784                 dev_drv->cur_screen->ypos =
3785                     (screen_y - screen_y * scale_y / 100) >> 1;
3786                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3787                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3788         } else {
3789                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3790                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3791                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3792                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3793                 if (inf->disp_mode == ONE_DUAL) {
3794                         var->nonstd &= 0xff;
3795                         var->nonstd |= (xpos << 8) + (ypos << 20);
3796                         var->grayscale &= 0xff;
3797                         var->grayscale |=
3798                                 (dev_drv->cur_screen->xsize << 8) +
3799                                 (dev_drv->cur_screen->ysize << 20);
3800                 }
3801         }
3802
3803         mutex_lock(&dev_drv->win_config);
3804         info->fbops->fb_set_par(info);
3805         dev_drv->ops->cfg_done(dev_drv);
3806         mutex_unlock(&dev_drv->win_config);
3807
3808         return 0;
3809 }
3810
3811 #if defined(CONFIG_ION_ROCKCHIP)
3812 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3813                                      struct rk_lcdc_win *win,
3814                                      unsigned long fb_mem_size)
3815 {
3816         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3817         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3818         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3819         struct ion_handle *handle;
3820         ion_phys_addr_t phy_addr;
3821         size_t len;
3822         int ret = 0;
3823
3824         if (dev_drv->iommu_enabled)
3825                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3826                                    ION_HEAP_SYSTEM_MASK, 0);
3827         else
3828                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3829                                    ION_HEAP_TYPE_DMA_MASK, 0);
3830
3831         if (IS_ERR(handle)) {
3832                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3833                         PTR_ERR(handle));
3834                 return -ENOMEM;
3835         }
3836
3837         fb_par->ion_hdl = handle;
3838         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3839         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3840                 pr_info("ion_share_dma_buf() failed\n");
3841                 goto err_share_dma_buf;
3842         }
3843         win->area[0].ion_hdl = handle;
3844         if (dev_drv->prop == PRMRY)
3845                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3846         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3847                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3848                                     (unsigned long *)&phy_addr,
3849                                     (unsigned long *)&len);
3850         else
3851                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3852         if (ret < 0) {
3853                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3854                 goto err_share_dma_buf;
3855         }
3856         fbi->fix.smem_start = phy_addr;
3857         fbi->fix.smem_len = len;
3858         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3859         return 0;
3860
3861 err_share_dma_buf:
3862         ion_free(rk_fb->ion_client, handle);
3863         return -ENOMEM;
3864 }
3865 #endif
3866
3867 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3868 {
3869         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3870         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3871         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3872         struct rk_lcdc_win *win = NULL;
3873         int win_id;
3874         int ret = 0;
3875         unsigned long fb_mem_size;
3876 #if !defined(CONFIG_ION_ROCKCHIP)
3877         dma_addr_t fb_mem_phys;
3878         void *fb_mem_virt;
3879 #endif
3880         ion_phys_addr_t phy_addr;
3881         size_t len;
3882
3883         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3884         if (win_id < 0)
3885                 return -ENODEV;
3886         else
3887                 win = dev_drv->win[win_id];
3888
3889         if (!strcmp(fbi->fix.id, "fb0")) {
3890                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3891 #if defined(CONFIG_ION_ROCKCHIP)
3892                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3893                         return -ENOMEM;
3894 #else
3895                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3896                                                      &fb_mem_phys, GFP_KERNEL);
3897                 if (!fb_mem_virt) {
3898                         pr_err("%s: Failed to allocate framebuffer\n",
3899                                __func__);
3900                         return -ENOMEM;
3901                 }
3902                 fbi->fix.smem_len = fb_mem_size;
3903                 fbi->fix.smem_start = fb_mem_phys;
3904                 fbi->screen_base = fb_mem_virt;
3905 #endif
3906                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3907         } else {
3908                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3909                         struct rk_lcdc_driver *dev_drv_prmry;
3910                         int win_id_prmry;
3911
3912                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3913 #if defined(CONFIG_ION_ROCKCHIP)
3914                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3915                         if (dev_drv_prmry == NULL)
3916                                 return -ENODEV;
3917                         win_id_prmry =
3918                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3919                                                                  fbi->fix.id);
3920                         if (win_id_prmry < 0)
3921                                 return -ENODEV;
3922                         else
3923                                 fb_par->ion_hdl =
3924                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3925                                 fbi->screen_base =
3926                                         ion_map_kernel(rk_fb->ion_client,
3927                                                        fb_par->ion_hdl);
3928                                 dev_drv->win[win_id]->area[0].ion_hdl =
3929                                         fb_par->ion_hdl;
3930                                 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3931                                         ret = ion_map_iommu(dev_drv->dev,
3932                                                             rk_fb->ion_client,
3933                                                             fb_par->ion_hdl,
3934                                                             (unsigned long *)&phy_addr,
3935                                                             (unsigned long *)&len);
3936                                 else
3937                                         ret = ion_phys(rk_fb->ion_client,
3938                                                        fb_par->ion_hdl,
3939                                                        &phy_addr, &len);
3940                                 if (ret < 0) {
3941                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3942                                         return -ENOMEM;
3943                                 }
3944                                 fbi->fix.smem_start = phy_addr;
3945                                 fbi->fix.smem_len = len;
3946 #else
3947                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3948                                                              fb_mem_size,
3949                                                              &fb_mem_phys,
3950                                                              GFP_KERNEL);
3951                         if (!fb_mem_virt) {
3952                                 pr_err("%s: Failed to allocate framebuffer\n",
3953                                        __func__);
3954                                 return -ENOMEM;
3955                         }
3956                         fbi->fix.smem_len = fb_mem_size;
3957                         fbi->fix.smem_start = fb_mem_phys;
3958                         fbi->screen_base = fb_mem_virt;
3959 #endif
3960                 } else {
3961                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3962                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3963                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3964                 }
3965         }
3966
3967         fbi->screen_size = fbi->fix.smem_len;
3968         fb_par->fb_phy_base = fbi->fix.smem_start;
3969         fb_par->fb_virt_base = fbi->screen_base;
3970         fb_par->fb_size = fbi->fix.smem_len;
3971
3972         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3973                 fbi->fix.smem_start, fbi->screen_base,
3974                 fbi->fix.smem_len);
3975         return ret;
3976 }
3977
3978 #if 0
3979 static int rk_release_fb_buffer(struct fb_info *fbi)
3980 {
3981         /* buffer for fb1 and fb3 are alloc by android */
3982         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3983                 return 0;
3984         iounmap(fbi->screen_base);
3985         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3986         return 0;
3987 }
3988 #endif
3989
3990 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3991                          struct rk_lcdc_win *def_win)
3992 {
3993         int i;
3994         int lcdc_win_num = dev_drv->lcdc_win_num;
3995
3996         for (i = 0; i < lcdc_win_num; i++) {
3997                 struct rk_lcdc_win *win = NULL;
3998
3999                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4000                 if (!win) {
4001                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
4002                         return -ENOMEM;
4003                 }
4004
4005                 strcpy(win->name, def_win[i].name);
4006                 win->id = def_win[i].id;
4007                 win->support_3d = def_win[i].support_3d;
4008                 win->property.feature = def_win[i].property.feature;
4009                 win->property.max_input_x = def_win[i].property.max_input_x;
4010                 win->property.max_input_y = def_win[i].property.max_input_y;
4011                 dev_drv->win[i] = win;
4012         }
4013
4014         return 0;
4015 }
4016
4017 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4018                                    struct rk_lcdc_win *def_win, int index)
4019 {
4020         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4021         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4022                                                 sizeof(struct rk_screen),
4023                                                 GFP_KERNEL);
4024         int i = 0;
4025
4026         if (!screen) {
4027                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4028                         dev_drv->id);
4029                 return -ENOMEM;
4030         }
4031
4032         screen->screen_id = 0;
4033         screen->lcdc_id = dev_drv->id;
4034         screen->overscan.left = 100;
4035         screen->overscan.top = 100;
4036         screen->overscan.right = 100;
4037         screen->overscan.bottom = 100;
4038
4039         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
4040         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
4041
4042         dev_drv->screen0 = screen;
4043         dev_drv->cur_screen = screen;
4044         /* devie use one lcdc + rk61x scaler for dual display */
4045         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4046                 struct rk_screen *screen1 =
4047                                 devm_kzalloc(dev_drv->dev,
4048                                              sizeof(struct rk_screen),
4049                                              GFP_KERNEL);
4050                 if (!screen1) {
4051                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4052                                 dev_drv->id);
4053                         return -ENOMEM;
4054                 }
4055                 screen1->screen_id = 1;
4056                 screen1->lcdc_id = 1;
4057                 dev_drv->screen1 = screen1;
4058         }
4059         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4060         init_lcdc_win(dev_drv, def_win);
4061         init_completion(&dev_drv->frame_done);
4062         spin_lock_init(&dev_drv->cpl_lock);
4063         mutex_init(&dev_drv->fb_win_id_mutex);
4064         mutex_init(&dev_drv->win_config);
4065         mutex_init(&dev_drv->front_lock);
4066         mutex_init(&dev_drv->switch_screen);
4067         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4068         dev_drv->first_frame = 1;
4069         dev_drv->overscan.left = 100;
4070         dev_drv->overscan.top = 100;
4071         dev_drv->overscan.right = 100;
4072         dev_drv->overscan.bottom = 100;
4073         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4074                 dev_drv->area_support[i] = 1;
4075         if (dev_drv->ops->area_support_num)
4076                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4077         rk_disp_pwr_ctr_parse_dt(dev_drv);
4078         if (dev_drv->prop == PRMRY) {
4079                 rk_fb_set_prmry_screen(screen);
4080                 rk_fb_get_prmry_screen(screen);
4081         }
4082         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4083         if (dev_drv->prop != PRMRY)
4084                 rk_fb_get_extern_screen(screen);
4085         dev_drv->output_color = screen->color_mode;
4086
4087         return 0;
4088 }
4089
4090 #ifdef CONFIG_LOGO_LINUX_BMP
4091 static struct linux_logo *bmp_logo;
4092 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4093 {
4094         bmp_logo = fb_find_logo(24);
4095         if (bmp_logo == NULL) {
4096                 pr_info("%s error\n", __func__);
4097                 return 0;
4098         }
4099         return 1;
4100 }
4101
4102 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4103 {
4104         unsigned char *src = bmp_logo->data;
4105         unsigned char *dst = info->screen_base;
4106         int i;
4107         unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4108         unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4109
4110         for (i = 0; i < needheight; i++)
4111                 memcpy(dst + info->var.xres * i * 4,
4112                        src + bmp_logo->width * i * 4, needwidth * 4);
4113 }
4114 #endif
4115
4116 /*
4117  * check if the primary lcdc has registered,
4118  * the primary lcdc mas register first
4119  */
4120 bool is_prmry_rk_lcdc_registered(void)
4121 {
4122         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4123
4124         if (rk_fb->lcdc_dev_drv[0])
4125                 return true;
4126         else
4127                 return false;
4128 }
4129
4130 __weak phys_addr_t uboot_logo_base;
4131 __weak phys_addr_t uboot_logo_size;
4132 __weak phys_addr_t uboot_logo_offset;
4133
4134 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4135                    struct rk_lcdc_win *win, int id)
4136 {
4137         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4138         struct fb_info *fbi;
4139         struct rk_fb_par *fb_par = NULL;
4140         int i = 0, ret = 0, index = 0;
4141         unsigned long flags;
4142         char time_line_name[16];
4143
4144         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4145                 return -ENXIO;
4146
4147         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4148                 if (!rk_fb->lcdc_dev_drv[i]) {
4149                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4150                         rk_fb->lcdc_dev_drv[i]->id = id;
4151                         rk_fb->num_lcdc++;
4152                         break;
4153                 }
4154         }
4155
4156         index = i;
4157         init_lcdc_device_driver(rk_fb, win, index);
4158         dev_drv->fb_index_base = rk_fb->num_fb;
4159         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4160                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4161                 if (!fbi) {
4162                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4163                         ret = -ENOMEM;
4164                 }
4165                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4166                                       GFP_KERNEL);
4167                 if (!fb_par) {
4168                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4169                                 rk_fb->num_fb);
4170                         return -ENOMEM;
4171                 }
4172                 fb_par->id = rk_fb->num_fb;
4173                 fb_par->lcdc_drv = dev_drv;
4174                 fbi->par = (void *)fb_par;
4175                 fbi->var = def_var;
4176                 fbi->fix = def_fix;
4177                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4178                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4179                 fbi->var.width = dev_drv->cur_screen->width;
4180                 fbi->var.height = dev_drv->cur_screen->height;
4181                 fbi->var.grayscale |=
4182                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4183 #if defined(CONFIG_LOGO_LINUX_BMP)
4184                 fbi->var.bits_per_pixel = 32;
4185 #else
4186                 fbi->var.bits_per_pixel = 16;
4187 #endif
4188                 fbi->fix.line_length =
4189                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4190                 fbi->var.width = dev_drv->cur_screen->width;
4191                 fbi->var.height = dev_drv->cur_screen->height;
4192                 if (dev_drv->iommu_enabled)
4193                         fb_ops.fb_mmap = rk_fb_mmap;
4194                 fbi->fbops = &fb_ops;
4195                 fbi->flags = FBINFO_FLAG_DEFAULT;
4196                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4197                 ret = register_framebuffer(fbi);
4198                 if (ret < 0) {
4199                         dev_err(&fb_pdev->dev,
4200                                 "%s fb%d register_framebuffer fail!\n",
4201                                 __func__, rk_fb->num_fb);
4202                         return ret;
4203                 }
4204                 rkfb_create_sysfs(fbi);
4205                 rk_fb->fb[rk_fb->num_fb] = fbi;
4206                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4207                          fbi->fix.id);
4208                 rk_fb->num_fb++;
4209
4210                 if (i == 0) {
4211                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4212                         init_waitqueue_head(&dev_drv->update_regs_wait);
4213                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4214                         if (ret)
4215                                 dev_err(fbi->dev,
4216                                         "failed to create vsync file\n");
4217                         dev_drv->vsync_info.thread =
4218                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4219                                         "fb-vsync");
4220                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4221                                 dev_err(fbi->dev,
4222                                         "failed to run vsync thread\n");
4223                                 dev_drv->vsync_info.thread = NULL;
4224                         }
4225                         dev_drv->vsync_info.active = 1;
4226
4227                         mutex_init(&dev_drv->output_lock);
4228
4229                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4230                         INIT_LIST_HEAD(&dev_drv->saved_list);
4231                         mutex_init(&dev_drv->update_regs_list_lock);
4232                         init_kthread_worker(&dev_drv->update_regs_worker);
4233
4234                         dev_drv->update_regs_thread =
4235                             kthread_run(kthread_worker_fn,
4236                                         &dev_drv->update_regs_worker, "rk-fb");
4237                         if (IS_ERR(dev_drv->update_regs_thread)) {
4238                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4239
4240                                 dev_drv->update_regs_thread = NULL;
4241                                 pr_info("failed to run update_regs thread\n");
4242                                 return err;
4243                         }
4244                         init_kthread_work(&dev_drv->update_regs_work,
4245                                           rk_fb_update_regs_handler);
4246
4247                         snprintf(time_line_name, sizeof(time_line_name),
4248                                  "vop%d-timeline", id);
4249                         dev_drv->timeline =
4250                             sw_sync_timeline_create(time_line_name);
4251                         dev_drv->timeline_max = 1;
4252                 }
4253         }
4254
4255         /* show logo for primary display device */
4256 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4257         if (dev_drv->prop == PRMRY) {
4258                 u16 xact, yact;
4259                 int format;
4260                 u32 dsp_addr;
4261                 struct fb_info *main_fbi = rk_fb->fb[0];
4262
4263                 main_fbi->fbops->fb_open(main_fbi, 1);
4264                 main_fbi->var.pixclock = dev_drv->pixclock;
4265                 if (dev_drv->iommu_enabled) {
4266                         if (dev_drv->mmu_dev)
4267                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4268                                                 rk_fb_sysmmu_fault_handler);
4269                 }
4270
4271                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4272                 dev_drv->uboot_logo = support_uboot_display();
4273
4274                 if (dev_drv->uboot_logo &&
4275                     uboot_logo_offset && uboot_logo_base) {
4276                         int width, height, bits, xvir;
4277                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4278                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4279                         unsigned int nr_pages;
4280                         int ymirror = 0;
4281                         struct page **pages;
4282                         char *vaddr;
4283                         int i = 0;
4284
4285                         if (dev_drv->ops->get_dspbuf_info)
4286                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4287                                         &yact, &format, &dsp_addr, &ymirror);
4288                         nr_pages = size >> PAGE_SHIFT;
4289                         pages = kzalloc(sizeof(struct page) * nr_pages,
4290                                         GFP_KERNEL);
4291                         while (i < nr_pages) {
4292                                 pages[i] = phys_to_page(start);
4293                                 start += PAGE_SIZE;
4294                                 i++;
4295                         }
4296                         vaddr = vmap(pages, nr_pages, VM_MAP,
4297                                      pgprot_writecombine(PAGE_KERNEL));
4298                         if (!vaddr) {
4299                                 pr_err("failed to vmap phy addr 0x%lx\n",
4300                                        (long)(uboot_logo_base +
4301                                        uboot_logo_offset));
4302                                 return -1;
4303                         }
4304
4305                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4306                                        &height, &bits)) {
4307                                 kfree(pages);
4308                                 vunmap(vaddr);
4309                                 return 0;
4310                         }
4311                         kfree(pages);
4312                         vunmap(vaddr);
4313                         if (dev_drv->uboot_logo &&
4314                             (width != xact || height != yact)) {
4315                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4316                                        xact, yact, width, height);
4317                                 return 0;
4318                         }
4319                         xvir = ALIGN(width * bits, 1 << 5) >> 5;
4320                         ymirror = 0;
4321                         local_irq_save(flags);
4322                         if (dev_drv->ops->wait_frame_start)
4323                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4324                         if (dev_drv->ops->post_dspbuf) {
4325                                 dev_drv->ops->post_dspbuf(dev_drv,
4326                                         main_fbi->fix.smem_start,
4327                                         rk_fb_data_fmt(0, bits),
4328                                         width, height, xvir,
4329                                         ymirror);
4330                         }
4331                         if (dev_drv->iommu_enabled) {
4332                                 rk_fb_poll_wait_frame_complete();
4333                                 if (dev_drv->ops->mmu_en)
4334                                         dev_drv->ops->mmu_en(dev_drv);
4335                                 freed_index = 0;
4336                         }
4337                         local_irq_restore(flags);
4338                         return 0;
4339                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4340                         u32 start = uboot_logo_base;
4341                         int logo_len, i = 0;
4342                         int y_mirror = 0;
4343                         unsigned int nr_pages;
4344                         struct page **pages;
4345                         char *vaddr;
4346                         int align = 0, xvir;
4347
4348                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4349                                                       &yact, &format,
4350                                                       &start,
4351                                                       &y_mirror);
4352                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4353                         if (logo_len > uboot_logo_size ||
4354                             logo_len > main_fbi->fix.smem_len) {
4355                                 pr_err("logo size > uboot reserve buffer size\n");
4356                                 return -1;
4357                         }
4358                         if (y_mirror)
4359                                 start -= logo_len;
4360
4361                         align = start % PAGE_SIZE;
4362                         start -= align;
4363                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4364                         pages = kzalloc(sizeof(struct page) * nr_pages,
4365                                         GFP_KERNEL);
4366                         while (i < nr_pages) {
4367                                 pages[i] = phys_to_page(start);
4368                                 start += PAGE_SIZE;
4369                                 i++;
4370                         }
4371                         vaddr = vmap(pages, nr_pages, VM_MAP,
4372                                      pgprot_writecombine(PAGE_KERNEL));
4373                         if (!vaddr) {
4374                                 pr_err("failed to vmap phy addr 0x%x\n",
4375                                        start);
4376                                 return -1;
4377                         }
4378
4379                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4380
4381                         kfree(pages);
4382                         vunmap(vaddr);
4383                         xvir = ALIGN(xact * rk_fb_pixel_width(format),
4384                                      1 << 5) >> 5;
4385                         local_irq_save(flags);
4386                         if (dev_drv->ops->wait_frame_start)
4387                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4388                         dev_drv->ops->post_dspbuf(dev_drv,
4389                                         main_fbi->fix.smem_start +
4390                                         (y_mirror ? logo_len : 0),
4391                                         format, xact, yact,
4392                                         xvir,
4393                                         y_mirror);
4394                         if (dev_drv->iommu_enabled) {
4395                                 rk_fb_poll_wait_frame_complete();
4396                                 if (dev_drv->ops->mmu_en)
4397                                         dev_drv->ops->mmu_en(dev_drv);
4398                                 freed_index = 0;
4399                         }
4400                         local_irq_restore(flags);
4401                         return 0;
4402                 } else {
4403                         if (dev_drv->iommu_enabled) {
4404                                 if (dev_drv->ops->mmu_en)
4405                                         dev_drv->ops->mmu_en(dev_drv);
4406                                 freed_index = 0;
4407                         }
4408                 }
4409 #if defined(CONFIG_LOGO)
4410                 main_fbi->fbops->fb_set_par(main_fbi);
4411 #if  defined(CONFIG_LOGO_LINUX_BMP)
4412                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4413                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4414                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4415                 }
4416 #else
4417                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4418                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4419                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4420                 }
4421 #endif
4422                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4423 #endif
4424         } else {
4425                 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4426
4427                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4428                 if (rk_fb->disp_mode == DUAL_LCD) {
4429                         extend_fbi->fbops->fb_open(extend_fbi, 1);
4430                         if (dev_drv->iommu_enabled) {
4431                                 if (dev_drv->mmu_dev)
4432                                         rockchip_iovmm_set_fault_handler(dev_drv->dev,
4433                                                                          rk_fb_sysmmu_fault_handler);
4434                         }
4435                         rk_fb_alloc_buffer(extend_fbi);
4436                 }
4437         }
4438 #endif
4439         return 0;
4440 }
4441
4442 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4443 {
4444         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4445         struct fb_info *fbi;
4446         int fb_index_base = dev_drv->fb_index_base;
4447         int fb_num = dev_drv->lcdc_win_num;
4448         int i = 0;
4449
4450         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4451                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4452                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4453         }
4454
4455         for (i = 0; i < fb_num; i++)
4456                 kfree(dev_drv->win[i]);
4457
4458         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4459                 fbi = fb_inf->fb[i];
4460                 unregister_framebuffer(fbi);
4461                 /* rk_release_fb_buffer(fbi); */
4462                 framebuffer_release(fbi);
4463         }
4464         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4465         fb_inf->num_lcdc--;
4466
4467         return 0;
4468 }
4469
4470 static int rk_fb_probe(struct platform_device *pdev)
4471 {
4472         struct rk_fb *rk_fb = NULL;
4473         struct device_node *np = pdev->dev.of_node;
4474         u32 mode;
4475
4476         if (!np) {
4477                 dev_err(&pdev->dev, "Missing device tree node.\n");
4478                 return -EINVAL;
4479         }
4480
4481         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4482         if (!rk_fb) {
4483                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4484                 return -ENOMEM;
4485         }
4486         platform_set_drvdata(pdev, rk_fb);
4487
4488         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4489                 rk_fb->disp_mode = mode;
4490
4491         } else {
4492                 dev_err(&pdev->dev, "no disp-mode node found!");
4493                 return -ENODEV;
4494         }
4495
4496         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4497                 rk_fb->disp_policy = mode;
4498                 pr_info("fb disp policy is %s\n",
4499                         rk_fb->disp_policy ? "box" : "sdk");
4500         }
4501
4502         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4503                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4504
4505         dev_set_name(&pdev->dev, "rockchip-fb");
4506 #if defined(CONFIG_ION_ROCKCHIP)
4507         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4508         if (IS_ERR(rk_fb->ion_client)) {
4509                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4510                 return PTR_ERR(rk_fb->ion_client);
4511         } else {
4512                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4513         }
4514 #endif
4515
4516         fb_pdev = pdev;
4517         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4518         return 0;
4519 }
4520
4521 static int rk_fb_remove(struct platform_device *pdev)
4522 {
4523         platform_set_drvdata(pdev, NULL);
4524         return 0;
4525 }
4526
4527 static void rk_fb_shutdown(struct platform_device *pdev)
4528 {
4529         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4530         int i;
4531
4532         for (i = 0; i < rk_fb->num_lcdc; i++) {
4533                 if (!rk_fb->lcdc_dev_drv[i])
4534                         continue;
4535                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4536         }
4537 }
4538
4539 static const struct of_device_id rkfb_dt_ids[] = {
4540         {.compatible = "rockchip,rk-fb",},
4541         {}
4542 };
4543
4544 static struct platform_driver rk_fb_driver = {
4545         .probe = rk_fb_probe,
4546         .remove = rk_fb_remove,
4547         .driver = {
4548                    .name = "rk-fb",
4549                    .owner = THIS_MODULE,
4550                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4551                    },
4552         .shutdown = rk_fb_shutdown,
4553 };
4554
4555 static int __init rk_fb_init(void)
4556 {
4557         return platform_driver_register(&rk_fb_driver);
4558 }
4559
4560 static void __exit rk_fb_exit(void)
4561 {
4562         platform_driver_unregister(&rk_fb_driver);
4563 }
4564
4565 fs_initcall(rk_fb_init);
4566 module_exit(rk_fb_exit);