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