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_dma_buf(struct rk_lcdc_driver *dev_drv,
1517                         struct rk_fb_reg_win_data *reg_win_data)
1518 {
1519         int i, index_buf;
1520         struct rk_fb_reg_area_data *area_data;
1521         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1522
1523         for (i = 0; i < reg_win_data->area_num; i++) {
1524                 area_data = &reg_win_data->reg_area_data[i];
1525                 index_buf = area_data->index_buf;
1526                 if (dev_drv->iommu_enabled) {
1527                         if (area_data->ion_handle != NULL &&
1528                             !IS_YUV_FMT(area_data->data_format))
1529                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1530                                                 area_data->ion_handle);
1531                         freed_addr[freed_index++] = area_data->smem_start;
1532                 }
1533                 if (area_data->ion_handle != NULL)
1534                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1535
1536                 if (area_data->acq_fence)
1537                         sync_fence_put(area_data->acq_fence);
1538         }
1539         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1540 }
1541
1542 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1543                              struct rk_lcdc_win *win,
1544                              struct rk_fb_reg_win_data *reg_win_data)
1545 {
1546         int i = 0;
1547         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1548         struct rk_screen *cur_screen;
1549         struct rk_screen primary_screen;
1550
1551         if (unlikely(!inf) || unlikely(!dev_drv) ||
1552             unlikely(!win) || unlikely(!reg_win_data))
1553                 return;
1554
1555         cur_screen = dev_drv->cur_screen;
1556         rk_fb_get_prmry_screen(&primary_screen);
1557
1558         win->area_num = reg_win_data->area_num;
1559         win->id = reg_win_data->win_id;
1560         win->z_order = reg_win_data->z_order;
1561
1562         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1563                 win->state = 1;
1564                 win->area_num = reg_win_data->area_num;
1565                 win->id = reg_win_data->win_id;
1566                 win->z_order = reg_win_data->z_order;
1567                 win->area[0].uv_vir_stride =
1568                     reg_win_data->reg_area_data[0].uv_vir_stride;
1569                 win->area[0].cbr_start =
1570                     reg_win_data->reg_area_data[0].cbr_start;
1571                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1572                 win->alpha_en = reg_win_data->alpha_en;
1573                 win->alpha_mode = reg_win_data->alpha_mode;
1574                 win->g_alpha_val = reg_win_data->g_alpha_val;
1575                 /*
1576                  * reg_win_data mirror_en means that xmirror ymirror all
1577                  * enabled.
1578                  */
1579                 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1580                 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1581                 win->colorspace = reg_win_data->colorspace;
1582                 win->area[0].fbdc_en =
1583                         reg_win_data->reg_area_data[0].fbdc_en;
1584                 win->area[0].fbdc_cor_en =
1585                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1586                 win->area[0].fbdc_data_format =
1587                         reg_win_data->reg_area_data[0].fbdc_data_format;
1588                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1589                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1590                                 win->area[i].format =
1591                                         reg_win_data->reg_area_data[i].data_format;
1592                                 win->area[i].ion_hdl =
1593                                         reg_win_data->reg_area_data[i].ion_handle;
1594                                 win->area[i].smem_start =
1595                                         reg_win_data->reg_area_data[i].smem_start;
1596                                 if (inf->disp_mode == DUAL ||
1597                                     inf->disp_mode == NO_DUAL) {
1598                                         win->area[i].xpos =
1599                                                 reg_win_data->reg_area_data[i].xpos;
1600                                         win->area[i].ypos =
1601                                                 reg_win_data->reg_area_data[i].ypos;
1602                                         win->area[i].xsize =
1603                                                 reg_win_data->reg_area_data[i].xsize;
1604                                         win->area[i].ysize =
1605                                                 reg_win_data->reg_area_data[i].ysize;
1606                                 } else {
1607                                         win->area[i].xpos =
1608                                                 reg_win_data->reg_area_data[i].xpos *
1609                                                 cur_screen->mode.xres /
1610                                                 primary_screen.mode.xres;
1611                                         win->area[i].ypos =
1612                                                 reg_win_data->reg_area_data[i].ypos *
1613                                                 cur_screen->mode.yres /
1614                                                 primary_screen.mode.yres;
1615                                         win->area[i].xsize =
1616                                                 reg_win_data->reg_area_data[i].xsize *
1617                                                 cur_screen->mode.xres /
1618                                                 primary_screen.mode.xres;
1619                                         win->area[i].ysize =
1620                                                 reg_win_data->reg_area_data[i].ysize *
1621                                                 cur_screen->mode.yres /
1622                                                 primary_screen.mode.yres;
1623
1624                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1625                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1626                                                 if (cur_screen->xsize > 0 &&
1627                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1628                                                         win->area[i].xpos =
1629                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1630                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1631                                                         win->area[i].xsize =
1632                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1633                                                 }
1634                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1635                                                         win->area[i].ypos =
1636                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1637                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1638                                                         win->area[i].ysize =
1639                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1640                                                 }
1641                                         }
1642                                 }
1643                                 win->area[i].xact =
1644                                     reg_win_data->reg_area_data[i].xact;
1645                                 win->area[i].yact =
1646                                     reg_win_data->reg_area_data[i].yact;
1647                                 win->area[i].xvir =
1648                                     reg_win_data->reg_area_data[i].xvir;
1649                                 win->area[i].yvir =
1650                                     reg_win_data->reg_area_data[i].yvir;
1651                                 win->area[i].xoff =
1652                                     reg_win_data->reg_area_data[i].xoff;
1653                                 win->area[i].yoff =
1654                                     reg_win_data->reg_area_data[i].yoff;
1655                                 win->area[i].y_offset =
1656                                     reg_win_data->reg_area_data[i].y_offset;
1657                                 win->area[i].y_vir_stride =
1658                                     reg_win_data->reg_area_data[i].y_vir_stride;
1659                                 win->area[i].state = 1;
1660                                 if (dev_drv->iommu_enabled) {
1661                                         g_now_config_addr[win->id][i] =
1662                                                 win->area[i].smem_start +
1663                                                 win->area[i].y_offset;
1664                                         g_now_config_state[win->id][i] = 1;
1665                                 }
1666                         } else {
1667                                 win->area[i].state = 0;
1668                                 if (dev_drv->iommu_enabled) {
1669                                         g_now_config_addr[win->id][i] = 0;
1670                                         g_now_config_state[win->id][i] = 0;
1671                                 }
1672                         }
1673                 }
1674         }
1675 }
1676
1677 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1678                                                      *regs, int win_id)
1679 {
1680         int i;
1681         struct rk_fb_reg_win_data *win_data = NULL;
1682
1683         for (i = 0; i < regs->win_num; i++) {
1684                 if (regs->reg_win_data[i].win_id == win_id) {
1685                         win_data = &(regs->reg_win_data[i]);
1686                         break;
1687                 }
1688         }
1689
1690         return win_data;
1691 }
1692
1693 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1694                             struct rk_fb_reg_data *regs,
1695                             int count)
1696 {
1697         int i, j, wait_for_vsync = false;
1698         unsigned int dsp_addr[5][4];
1699         int win_status = 0;
1700
1701         if (dev_drv->ops->get_dsp_addr)
1702                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1703
1704         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1705                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1706                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1707                                 continue;
1708                         if (dev_drv->win[i]->area[j].state == 1) {
1709                                 u32 new_start =
1710                                         dev_drv->win[i]->area[j].smem_start +
1711                                         dev_drv->win[i]->area[j].y_offset;
1712                                 u32 reg_start = dsp_addr[i][j];
1713
1714                                 if (unlikely(new_start != reg_start)) {
1715                                         wait_for_vsync = true;
1716                                         dev_info(dev_drv->dev,
1717                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1718                                                  i, new_start, reg_start,
1719                                                  101 - count);
1720                                         break;
1721                                 }
1722                         } else if (dev_drv->win[i]->area[j].state == 0) {
1723                                 if (dev_drv->ops->get_win_state) {
1724                                         win_status =
1725                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1726                                         if (win_status)
1727                                                 wait_for_vsync = true;
1728                                 }
1729                         } else {
1730                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1731                                        i, dev_drv->win[i]->state);
1732                         }
1733                 }
1734         }
1735
1736         return wait_for_vsync;
1737 }
1738
1739 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1740 {
1741         int i, j, state, page_fault = 0;
1742         unsigned int dsp_addr[5][4];
1743
1744         if (dev_drv->ops->extern_func) {
1745                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1746                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1747         }
1748         if (page_fault) {
1749                 pr_info("last config:\n");
1750                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1751                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1752                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1753                                         continue;
1754                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1755                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1756                         }
1757                 }
1758
1759                 pr_info("last freed buffer:\n");
1760                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1761                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1762
1763                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1764                 pr_info("vop now state:\n");
1765                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1766                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1767                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1768                                         continue;
1769                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1770                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1771                                         i, j, state, dsp_addr[i][j]);
1772                         }
1773                 }
1774                 pr_info("now config:\n");
1775                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1776                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1777                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1778                                         continue;
1779                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1780                                         i, j, g_now_config_state[i][j],
1781                                         g_now_config_addr[i][j]);
1782                         }
1783                 }
1784                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1785                         rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1786                                            &dev_drv->tmp_regs[i], 0);
1787         }
1788
1789         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1790                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1791                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1792                                 continue;
1793                         g_last_addr[i][j] = g_now_config_addr[i][j];
1794                         g_last_state[i][j] = g_now_config_state[i][j];
1795                 }
1796         }
1797
1798         return page_fault;
1799 }
1800 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1801                              struct rk_fb_reg_data *regs)
1802 {
1803         int i, j;
1804         struct rk_lcdc_win *win;
1805         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1806         struct rk_fb_reg_win_data *win_data;
1807         bool wait_for_vsync;
1808         int count = 100;
1809         long timeout;
1810         int pagefault = 0;
1811
1812         if (dev_drv->suspend_flag == 1) {
1813 #ifdef H_USE_FENCE
1814                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1815 #endif
1816                 for (i = 0; i < regs->win_num; i++) {
1817                         win_data = &regs->reg_win_data[i];
1818                         rk_fb_free_dma_buf(dev_drv, win_data);
1819                 }
1820                 return;
1821         }
1822         /* acq_fence wait */
1823         for (i = 0; i < regs->win_num; i++) {
1824                 win_data = &regs->reg_win_data[i];
1825                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1826                         if (win_data->reg_area_data[j].acq_fence)
1827                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1828                 }
1829         }
1830
1831         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1832                 win = dev_drv->win[i];
1833                 win_data = rk_fb_get_win_data(regs, i);
1834                 if (win_data) {
1835                         mutex_lock(&dev_drv->win_config);
1836                         rk_fb_update_win(dev_drv, win, win_data);
1837                         win->state = 1;
1838                         dev_drv->ops->set_par(dev_drv, i);
1839                         dev_drv->ops->pan_display(dev_drv, i);
1840                         mutex_unlock(&dev_drv->win_config);
1841                 } else {
1842                         win->z_order = -1;
1843                         win->state = 0;
1844                         for (j = 0; j < 4; j++)
1845                                 win->area[j].state = 0;
1846                         if (dev_drv->iommu_enabled) {
1847                                 for (j = 0; j < 4; j++) {
1848                                         g_now_config_addr[i][j] = 0;
1849                                         g_now_config_state[i][j] = 0;
1850                                 }
1851                         }
1852                 }
1853         }
1854         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1855
1856         if (rk_fb_iommu_debug > 0)
1857                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1858
1859         if (pagefault == 0)
1860                 dev_drv->ops->cfg_done(dev_drv);
1861         else
1862                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1863
1864         do {
1865                 timestamp = dev_drv->vsync_info.timestamp;
1866                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1867                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1868                                 msecs_to_jiffies(50));
1869
1870                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1871         } while (wait_for_vsync && count--);
1872 #ifdef H_USE_FENCE
1873         sw_sync_timeline_inc(dev_drv->timeline, 1);
1874 #endif
1875
1876         if (dev_drv->front_regs) {
1877                 if (dev_drv->iommu_enabled) {
1878                         if (dev_drv->ops->mmu_en)
1879                                 dev_drv->ops->mmu_en(dev_drv);
1880                         freed_index = 0;
1881                         g_last_timeout = timeout;
1882                 }
1883
1884                 mutex_lock(&dev_drv->front_lock);
1885
1886                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1887                         win_data = &dev_drv->front_regs->reg_win_data[i];
1888                         rk_fb_free_dma_buf(dev_drv, win_data);
1889                 }
1890                 kfree(dev_drv->front_regs);
1891
1892                 mutex_unlock(&dev_drv->front_lock);
1893
1894                 if (dev_drv->iommu_enabled)
1895                         freed_addr[freed_index] = 0xfefefefe;
1896         }
1897
1898         mutex_lock(&dev_drv->front_lock);
1899
1900         dev_drv->front_regs = regs;
1901
1902         mutex_unlock(&dev_drv->front_lock);
1903
1904         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1905 }
1906
1907 static void rk_fb_update_regs_handler(struct kthread_work *work)
1908 {
1909         struct rk_lcdc_driver *dev_drv =
1910             container_of(work, struct rk_lcdc_driver, update_regs_work);
1911         struct rk_fb_reg_data *data, *next;
1912
1913         mutex_lock(&dev_drv->update_regs_list_lock);
1914         dev_drv->saved_list = dev_drv->update_regs_list;
1915         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1916         mutex_unlock(&dev_drv->update_regs_list_lock);
1917
1918         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1919                 rk_fb_update_reg(dev_drv, data);
1920                 list_del(&data->list);
1921         }
1922
1923         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1924                 wake_up(&dev_drv->update_regs_wait);
1925 }
1926
1927 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1928                                   struct rk_screen *screen)
1929 {
1930         if (area_par->phy_addr > 0)
1931                 pr_err("%s[%d], phy_addr = 0x%x\n",
1932                        __func__, __LINE__, area_par->phy_addr);
1933         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1934             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1935             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1936                 pr_err("check config var fail 0:\n"
1937                        "x_offset=%d,xact=%d,xvir=%d\n",
1938                        area_par->x_offset, area_par->xact, area_par->xvir);
1939                 return -EINVAL;
1940         }
1941
1942         if ((area_par->xpos >= screen->mode.xres) ||
1943             (area_par->ypos >= screen->mode.yres) ||
1944             ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
1945                 pr_warn("check config var fail 1:\n"
1946                         "xpos=%d,xsize=%d,xres=%d\n"
1947                         "ypos=%d,ysize=%d,yres=%d\n",
1948                         area_par->xpos, area_par->xsize, screen->mode.xres,
1949                         area_par->ypos, area_par->ysize, screen->mode.yres);
1950                 return -EINVAL;
1951         }
1952         return 0;
1953 }
1954
1955 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1956                               struct rk_fb_win_cfg_data *win_data,
1957                               struct rk_fb_reg_data *regs, u32 cmd)
1958 {
1959         int i, j;
1960         struct rk_fb_win_par *win_par;
1961         struct rk_fb_area_par *area_par;
1962         struct rk_fb_reg_win_data *reg_win_data;
1963         struct rk_fb_reg_area_data *area_data;
1964
1965         rk_fb_dbg(cmd, "-------------frame start-------------\n");
1966         rk_fb_dbg(cmd, "user config:\n");
1967         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1968                 win_par = &(win_data->win_par[i]);
1969                 if ((win_par->area_par[0].ion_fd <= 0) &&
1970                     (win_par->area_par[0].phy_addr <= 0))
1971                         continue;
1972                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1973                           win_par->win_id, win_par->z_order,
1974                           win_par->g_alpha_val);
1975                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1976                         area_par = &(win_par->area_par[j]);
1977                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1978                             ((win_par->area_par[j].ion_fd <= 0) &&
1979                              (win_par->area_par[j].phy_addr <= 0)))
1980                                 continue;
1981                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1982                                   j, area_par->data_format, area_par->ion_fd,
1983                                   area_par->phy_addr, area_par->x_offset,
1984                                   area_par->y_offset);
1985                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1986                                   area_par->xpos, area_par->ypos,
1987                                   area_par->xsize, area_par->ysize);
1988                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1989                                   area_par->xact, area_par->yact,
1990                                   area_par->xvir, area_par->yvir);
1991                 }
1992         }
1993
1994         rk_fb_dbg(cmd, "regs data:\n");
1995         rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
1996                   regs->win_num, regs->buf_num);
1997         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1998                 reg_win_data = &(regs->reg_win_data[i]);
1999                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2000                         continue;
2001                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2002                           reg_win_data->win_id, reg_win_data->z_order,
2003                           reg_win_data->area_num, reg_win_data->area_buf_num);
2004                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2005                         area_data = &(reg_win_data->reg_area_data[j]);
2006                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2007                             (area_data->smem_start <= 0))
2008                                 continue;
2009                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2010                                   j, area_data->data_format, area_data->ion_handle,
2011                                   area_data->smem_start, area_data->cbr_start);
2012                         rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2013                                   area_data->y_offset, area_data->c_offset, area_data->buff_len);
2014                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2015                                   area_data->xpos, area_data->ypos,
2016                                   area_data->xsize, area_data->ysize);
2017                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2018                                   area_data->xact, area_data->yact,
2019                                   area_data->xvir, area_data->yvir);
2020                 }
2021         }
2022         rk_fb_dbg(cmd, "-------------frame end---------------\n");
2023
2024         return 0;
2025 }
2026 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2027                                struct rk_fb_win_cfg_data *win_cfg,
2028                                struct rk_fb_reg_data *regs)
2029 {
2030         int i;
2031
2032         /*2->1->0: 0 is newest*/
2033         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2034                 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2035                        &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2036                        sizeof(struct rk_fb_win_cfg_data));
2037                 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2038                        &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2039                        sizeof(struct rk_fb_reg_data));
2040         }
2041
2042         memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2043                sizeof(struct rk_fb_win_cfg_data));
2044         memcpy(&dev_drv->tmp_regs[0], regs,
2045                sizeof(struct rk_fb_reg_data));
2046
2047         return 0;
2048 }
2049 static int rk_fb_set_win_buffer(struct fb_info *info,
2050                                 struct rk_fb_win_par *win_par,
2051                                 struct rk_fb_reg_win_data *reg_win_data)
2052 {
2053         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2054         struct fb_fix_screeninfo *fix = &info->fix;
2055         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2056         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2057         /*if hdmi size move to hwc,screen should point to cur_screen
2058          *otherwise point to screen0[main screen]*/
2059         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2060         struct fb_info *fbi;
2061         int i, ion_fd, acq_fence_fd;
2062         u32 xvir, yvir;
2063         u32 xoffset, yoffset;
2064
2065         struct ion_handle *hdl;
2066         size_t len;
2067         int index_buf;
2068         u8 fb_data_fmt;
2069         u8 pixel_width;
2070         u32 vir_width_bit;
2071         u32 stride, uv_stride;
2072         u32 stride_32bit_1;
2073         u32 stride_32bit_2;
2074         u16 uv_x_off, uv_y_off, uv_y_act;
2075         u8 is_pic_yuv = 0;
2076         u8 ppixel_a = 0, global_a = 0;
2077         ion_phys_addr_t phy_addr;
2078         int ret = 0;
2079         int buff_len;
2080
2081         reg_win_data->reg_area_data[0].smem_start = -1;
2082         reg_win_data->area_num = 0;
2083         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2084         if (win_par->area_par[0].phy_addr == 0) {
2085                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2086                         ion_fd = win_par->area_par[i].ion_fd;
2087                         if (ion_fd > 0) {
2088                                 hdl =
2089                                     ion_import_dma_buf(rk_fb->ion_client,
2090                                                        ion_fd);
2091                                 if (IS_ERR(hdl)) {
2092                                         pr_info("%s: Could not import handle:"
2093                                                 " %ld\n", __func__, (long)hdl);
2094                                         return -EINVAL;
2095                                         break;
2096                                 }
2097                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2098                                 if (dev_drv->iommu_enabled)
2099                                         ret = ion_map_iommu(dev_drv->dev,
2100                                                             rk_fb->ion_client,
2101                                                             hdl,
2102                                                             (unsigned long *)&phy_addr,
2103                                                             (unsigned long *)&len);
2104                                 else
2105                                         ret = ion_phys(rk_fb->ion_client, hdl,
2106                                                        &phy_addr, &len);
2107                                 if (ret < 0) {
2108                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2109                                         ion_free(rk_fb->ion_client, hdl);
2110                                         return -ENOMEM;
2111                                 }
2112                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2113                                 reg_win_data->area_num++;
2114                                 reg_win_data->area_buf_num++;
2115                                 reg_win_data->reg_area_data[i].index_buf = 1;
2116                                 reg_win_data->reg_area_data[i].buff_len = len;
2117                         }
2118                 }
2119         } else {
2120                 reg_win_data->reg_area_data[0].smem_start =
2121                     win_par->area_par[0].phy_addr;
2122                 reg_win_data->area_num = 1;
2123                 reg_win_data->area_buf_num++;
2124                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2125         }
2126
2127         if (reg_win_data->area_num == 0) {
2128                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2129                         reg_win_data->reg_area_data[i].smem_start = 0;
2130                 reg_win_data->z_order = -1;
2131                 reg_win_data->win_id = -1;
2132                 return 0;
2133         }
2134
2135         for (i = 0; i < reg_win_data->area_num; i++) {
2136                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2137                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2138                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2139                         reg_win_data->reg_area_data[i].acq_fence =
2140                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2141                 }
2142         }
2143         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2144                 reg_win_data->z_order = win_par->z_order;
2145                 reg_win_data->win_id = win_par->win_id;
2146         } else {
2147                 reg_win_data->z_order = -1;
2148                 reg_win_data->win_id = -1;
2149         }
2150
2151         reg_win_data->mirror_en = win_par->mirror_en;
2152         for (i = 0; i < reg_win_data->area_num; i++) {
2153                 u8 data_format = win_par->area_par[i].data_format;
2154                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2155                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2156                 data_format &= ~CSC_MASK;
2157                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2158                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2159                 if (IS_FBDC_FMT(fb_data_fmt)) {
2160                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2161                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2162                 } else {
2163                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2164                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2165                 }
2166                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2167
2168                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2169                              (fb_data_fmt == FBDC_ARGB_888) ||
2170                              (fb_data_fmt == FBDC_ABGR_888) ||
2171                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2172                 /*act_height should be 2 pix align for interlace output*/
2173                 if (win_par->area_par[i].yact % 2 == 1) {
2174                         win_par->area_par[i].yact  -= 1;
2175                         win_par->area_par[i].ysize -= 1;
2176                 }
2177
2178                 /* buf offset should be 2 pix align*/
2179                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2180                     IS_YUV_FMT(fb_data_fmt)) {
2181                         win_par->area_par[i].x_offset += 1;
2182                         win_par->area_par[i].xact -= 1;
2183                 }
2184
2185                 /* visiable pos in panel */
2186                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2187                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2188
2189                 /* realy size in panel */
2190                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2191                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2192
2193                 /* realy size in panel */
2194                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2195                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2196
2197                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2198                 yoffset = win_par->area_par[i].y_offset;
2199                 reg_win_data->reg_area_data[i].xoff = xoffset;
2200                 reg_win_data->reg_area_data[i].yoff = yoffset;
2201
2202                 xvir = win_par->area_par[i].xvir;
2203                 reg_win_data->reg_area_data[i].xvir = xvir;
2204                 yvir = win_par->area_par[i].yvir;
2205                 reg_win_data->reg_area_data[i].yvir = yvir;
2206
2207                 vir_width_bit = pixel_width * xvir;
2208                 /* pixel_width = byte_num*8 */
2209                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2210                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2211
2212                 stride = stride_32bit_1;        /* default rgb */
2213                 fix->line_length = stride;
2214                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2215
2216                 /* x y mirror ,jump line
2217                  * reg_win_data->reg_area_data[i].y_offset =
2218                  *              yoffset*stride+xoffset*pixel_width/8;
2219                  */
2220                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2221                         if (screen->interlace == 1) {
2222                                 reg_win_data->reg_area_data[i].y_offset =
2223                                     yoffset * stride * 2 +
2224                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2225                                     xoffset * pixel_width / 8;
2226                         } else {
2227                                 reg_win_data->reg_area_data[i].y_offset =
2228                                     yoffset * stride +
2229                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2230                                     xoffset * pixel_width / 8;
2231                         }
2232                 } else {
2233                         if (screen->interlace == 1) {
2234                                 reg_win_data->reg_area_data[i].y_offset =
2235                                     yoffset * stride * 2 +
2236                                     xoffset * pixel_width / 8;
2237                         } else {
2238                                 reg_win_data->reg_area_data[i].y_offset =
2239                                     yoffset * stride +
2240                                     xoffset * pixel_width / 8;
2241                         }
2242                 }
2243                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2244                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2245                                 reg_win_data->reg_area_data[i].xvir *
2246                                 reg_win_data->reg_area_data[i].yact *
2247                                 pixel_width / 8 -
2248                                 reg_win_data->reg_area_data[i].xoff*
2249                                 pixel_width / 8;
2250                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2251                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2252                                        "yact[%d]*bpp[%d]"
2253                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2254                                        fb_data_fmt,
2255                                        reg_win_data->reg_area_data[i].xvir,
2256                                        reg_win_data->reg_area_data[i].yact,
2257                                        pixel_width, buff_len,
2258                                        reg_win_data->reg_area_data[i].buff_len);
2259                 }
2260         }
2261
2262         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2263         reg_win_data->alpha_en = ppixel_a | global_a;
2264         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2265         reg_win_data->alpha_mode = win_par->alpha_mode;
2266
2267         switch (fb_data_fmt) {
2268         case YUV422:
2269         case YUV422_A:
2270                 is_pic_yuv = 1;
2271                 stride = stride_32bit_1;
2272                 uv_stride = stride_32bit_1;
2273                 uv_x_off = xoffset;
2274                 uv_y_off = yoffset;
2275                 fix->line_length = stride;
2276                 uv_y_act = win_par->area_par[0].yact >> 1;
2277                 break;
2278         case YUV420:            /* nv12 */
2279         case YUV420_NV21:       /* nv21 */
2280         case YUV420_A:
2281                 is_pic_yuv = 1;
2282                 stride = stride_32bit_1;
2283                 uv_stride = stride_32bit_1;
2284                 uv_x_off = xoffset;
2285                 uv_y_off = yoffset >> 1;
2286                 fix->line_length = stride;
2287                 uv_y_act = win_par->area_par[0].yact >> 1;
2288                 break;
2289         case YUV444:
2290         case YUV444_A:
2291                 is_pic_yuv = 1;
2292                 stride = stride_32bit_1;
2293                 uv_stride = stride_32bit_2;
2294                 uv_x_off = xoffset * 2;
2295                 uv_y_off = yoffset;
2296                 fix->line_length = stride << 2;
2297                 uv_y_act = win_par->area_par[0].yact;
2298                 break;
2299         default:
2300                 break;
2301         }
2302         if (is_pic_yuv == 1) {
2303                 reg_win_data->reg_area_data[0].cbr_start =
2304                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2305                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2306                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2307                         if (screen->interlace == 1) {
2308                                 reg_win_data->reg_area_data[0].c_offset =
2309                                     uv_y_off * uv_stride * 2 +
2310                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2311                                     uv_x_off * pixel_width / 8;
2312                         } else {
2313                                 reg_win_data->reg_area_data[0].c_offset =
2314                                     uv_y_off * uv_stride +
2315                                     (uv_y_act - 1) * uv_stride +
2316                                     uv_x_off * pixel_width / 8;
2317                         }
2318                 } else {
2319                         if (screen->interlace == 1) {
2320                                 reg_win_data->reg_area_data[0].c_offset =
2321                                     uv_y_off * uv_stride * 2 +
2322                                     uv_x_off * pixel_width / 8;
2323                         } else {
2324                                 reg_win_data->reg_area_data[0].c_offset =
2325                                     uv_y_off * uv_stride +
2326                                     uv_x_off * pixel_width / 8;
2327                         }
2328                 }
2329                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2330                         reg_win_data->reg_area_data[0].c_offset +
2331                         reg_win_data->reg_area_data[0].xvir *
2332                         reg_win_data->reg_area_data[0].yact *
2333                         pixel_width / 16 -
2334                         reg_win_data->reg_area_data[0].smem_start -
2335                         reg_win_data->reg_area_data[0].xoff*
2336                         pixel_width / 16;
2337                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2338                      dev_drv->iommu_enabled)
2339                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2340                                "yact[%d]*bpp[%d]"
2341                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2342                                fb_data_fmt,
2343                                reg_win_data->reg_area_data[0].xvir,
2344                                reg_win_data->reg_area_data[0].yact,
2345                                pixel_width, buff_len,
2346                                reg_win_data->reg_area_data[0].buff_len);
2347         }
2348
2349         /* record buffer information for rk_fb_disp_scale to prevent fence
2350          * timeout because rk_fb_disp_scale will call function
2351          * info->fbops->fb_set_par(info);
2352          * delete by hjc for new hdmi overscan framework.
2353          */
2354         /* info->var.yoffset = yoffset;
2355          * info->var.xoffset = xoffset;
2356          */
2357         return 0;
2358 }
2359
2360 static int rk_fb_set_win_config(struct fb_info *info,
2361                                 struct rk_fb_win_cfg_data *win_data)
2362 {
2363         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2364         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2365         struct rk_fb_reg_data *regs;
2366 #ifdef H_USE_FENCE
2367         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2368         struct sync_fence *retire_fence;
2369         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2370         struct sync_pt *retire_sync_pt;
2371         char fence_name[20];
2372 #endif
2373         int ret = 0, i, j = 0;
2374         int list_is_empty = 0;
2375         struct rk_screen *screen = dev_drv->cur_screen;
2376
2377         mutex_lock(&dev_drv->output_lock);
2378
2379         for (i = 0; i < 4; i++) {
2380                 for (j = 0; j < 4; j++) {
2381                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2382                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2383                                 ret += rk_fb_check_config_var(
2384                                         &win_data->win_par[i].area_par[j],
2385                                         screen);
2386                 }
2387         }
2388         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2389                 dev_drv->timeline_max++;
2390                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2391                 if (dev_drv->suspend_flag)
2392                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2393                 else if (dev_drv->hdmi_switch)
2394                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2395                 else
2396                         pr_err("error config ,ignore\n");
2397                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2398                         win_data->rel_fence_fd[j] = -1;
2399                 win_data->ret_fence_fd = -1;
2400                 goto err;
2401         }
2402
2403         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2404         if (!regs) {
2405                 pr_info("could not allocate rk_fb_reg_data\n");
2406                 ret = -ENOMEM;
2407                 goto err;
2408         }
2409
2410         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2411                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2412                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2413                                                  &regs->reg_win_data[j])) {
2414                                 ret = -ENOMEM;
2415                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2416                                 goto err2;
2417                         }
2418                         if (regs->reg_win_data[j].area_num > 0) {
2419                                 regs->win_num++;
2420                                 regs->buf_num +=
2421                                     regs->reg_win_data[j].area_buf_num;
2422                         }
2423                         j++;
2424                 } else {
2425                         pr_info("error:win_id bigger than lcdc_win_num\n");
2426                         pr_info("i=%d,win_id=%d\n", i,
2427                                 win_data->win_par[i].win_id);
2428                 }
2429         }
2430
2431         if (regs->win_num <= 0)
2432                 goto err_null_frame;
2433
2434         dev_drv->timeline_max++;
2435 #ifdef H_USE_FENCE
2436         win_data->ret_fence_fd = get_unused_fd_flags(0);
2437         if (win_data->ret_fence_fd < 0) {
2438                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2439                 win_data->ret_fence_fd = -1;
2440                 ret = -EFAULT;
2441                 goto err2;
2442         }
2443         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2444                 if (i < regs->buf_num) {
2445                         sprintf(fence_name, "fence%d", i);
2446                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2447                         if (win_data->rel_fence_fd[i] < 0) {
2448                                 pr_info("rel_fence_fd=%d\n",
2449                                         win_data->rel_fence_fd[i]);
2450                                 ret = -EFAULT;
2451                                 goto err2;
2452                         }
2453                         release_sync_pt[i] =
2454                             sw_sync_pt_create(dev_drv->timeline,
2455                                               dev_drv->timeline_max);
2456                         release_fence[i] =
2457                             sync_fence_create(fence_name, release_sync_pt[i]);
2458                         sync_fence_install(release_fence[i],
2459                                            win_data->rel_fence_fd[i]);
2460                 } else {
2461                         win_data->rel_fence_fd[i] = -1;
2462                 }
2463         }
2464
2465         retire_sync_pt =
2466             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2467         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2468         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2469 #else
2470         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2471                 win_data->rel_fence_fd[i] = -1;
2472
2473         win_data->ret_fence_fd = -1;
2474 #endif
2475         if (dev_drv->wait_fs == 0) {
2476                 mutex_lock(&dev_drv->update_regs_list_lock);
2477                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2478                 mutex_unlock(&dev_drv->update_regs_list_lock);
2479                 queue_kthread_work(&dev_drv->update_regs_worker,
2480                                    &dev_drv->update_regs_work);
2481         } else {
2482                 mutex_lock(&dev_drv->update_regs_list_lock);
2483                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2484                                         list_empty(&dev_drv->saved_list);
2485                 mutex_unlock(&dev_drv->update_regs_list_lock);
2486                 if (!list_is_empty) {
2487                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2488                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2489                                 msecs_to_jiffies(60));
2490                         if (ret > 0)
2491                                 rk_fb_update_reg(dev_drv, regs);
2492                         else
2493                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2494                 } else if (ret == 0) {
2495                         rk_fb_update_reg(dev_drv, regs);
2496                 }
2497         }
2498         if (rk_fb_debug_lvl > 0)
2499                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2500         if (rk_fb_iommu_debug > 0)
2501                 rk_fb_config_backup(dev_drv, win_data, regs);
2502 err:
2503         mutex_unlock(&dev_drv->output_lock);
2504         return ret;
2505 err_null_frame:
2506         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2507                 win_data->rel_fence_fd[j] = -1;
2508         win_data->ret_fence_fd = -1;
2509         pr_info("win num = %d,null frame\n", regs->win_num);
2510 err2:
2511         kfree(regs);
2512         mutex_unlock(&dev_drv->output_lock);
2513
2514         return ret;
2515 }
2516
2517 #if 1
2518 static int cfgdone_distlist[10] = { 0 };
2519
2520 static int cfgdone_index;
2521 static int cfgdone_lasttime;
2522
2523 int rk_get_real_fps(int before)
2524 {
2525         struct timespec now;
2526         int dist_curr;
2527         int dist_total = 0;
2528         int dist_count = 0;
2529         int dist_first = 0;
2530
2531         int index = cfgdone_index;
2532         int i = 0, fps = 0;
2533         int total;
2534
2535         if (before > 100)
2536                 before = 100;
2537         if (before < 0)
2538                 before = 0;
2539
2540         getnstimeofday(&now);
2541         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2542                         cfgdone_lasttime;
2543         total = dist_curr;
2544         for (i = 0; i < 10; i++) {
2545                 if (--index < 0)
2546                         index = 9;
2547                 total += cfgdone_distlist[index];
2548                 if (i == 0)
2549                         dist_first = cfgdone_distlist[index];
2550                 if (total < (before * 1000)) {
2551                         dist_total += cfgdone_distlist[index];
2552                         dist_count++;
2553                 } else {
2554                         break;
2555                 }
2556         }
2557
2558         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2559         dist_total += dist_curr;
2560         dist_count++;
2561
2562         if (dist_total > 0)
2563                 fps = (1000000 * dist_count) / dist_total;
2564         else
2565                 fps = 60;
2566
2567         return fps;
2568 }
2569 EXPORT_SYMBOL(rk_get_real_fps);
2570
2571 #endif
2572 #define ION_MAX 10
2573 static struct ion_handle *ion_hanle[ION_MAX];
2574 static struct ion_handle *ion_hwc[1];
2575 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2576                        unsigned long arg)
2577 {
2578         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2579         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2580         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2581         struct fb_fix_screeninfo *fix = &info->fix;
2582         struct rk_lcdc_win *win;
2583         int enable;     /* enable fb:1 enable;0 disable */
2584         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2585         int num_buf;    /* buffer_number */
2586         int ret = 0;
2587         struct rk_fb_win_cfg_data win_data;
2588         unsigned int dsp_addr[4][4];
2589         int list_stat;
2590
2591         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2592         void __user *argp = (void __user *)arg;
2593
2594         win = dev_drv->win[win_id];
2595         switch (cmd) {
2596         case RK_FBIOSET_HWC_ADDR:
2597         {
2598                 u32 hwc_phy[1];
2599
2600                 if (copy_from_user(hwc_phy, argp, 4))
2601                         return -EFAULT;
2602                 if (!dev_drv->iommu_enabled) {
2603                         fix->smem_start = hwc_phy[0];
2604                 } else {
2605                         int usr_fd;
2606                         struct ion_handle *hdl;
2607                         ion_phys_addr_t phy_addr;
2608                         size_t len;
2609
2610                         usr_fd = hwc_phy[0];
2611                         if (!usr_fd) {
2612                                 fix->smem_start = 0;
2613                                 fix->mmio_start = 0;
2614                                 dev_drv->ops->open(dev_drv, win_id, 0);
2615                                 break;
2616                         }
2617
2618                         if (ion_hwc[0] != 0) {
2619                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2620                                 ion_hwc[0] = 0;
2621                         }
2622
2623                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2624                         if (IS_ERR(hdl)) {
2625                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2626                                         PTR_ERR(hdl));
2627                                 return -EFAULT;
2628                         }
2629
2630                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2631                                             (unsigned long *)&phy_addr,
2632                                             (unsigned long *)&len);
2633                         if (ret < 0) {
2634                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2635                                 ion_free(rk_fb->ion_client, hdl);
2636                                 return -ENOMEM;
2637                         }
2638                         fix->smem_start = phy_addr;
2639                         ion_hwc[0] = hdl;
2640                 }
2641                 break;
2642         }
2643         case RK_FBIOSET_YUV_ADDR:
2644                 {
2645                         u32 yuv_phy[2];
2646
2647                         if (copy_from_user(yuv_phy, argp, 8))
2648                                 return -EFAULT;
2649                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2650                                 fix->smem_start = yuv_phy[0];
2651                                 fix->mmio_start = yuv_phy[1];
2652                         } else {
2653                                 int usr_fd, offset, tmp;
2654                                 struct ion_handle *hdl;
2655                                 ion_phys_addr_t phy_addr;
2656                                 size_t len;
2657
2658                                 usr_fd = yuv_phy[0];
2659                                 offset = yuv_phy[1] - yuv_phy[0];
2660                                 if (!usr_fd) {
2661                                         fix->smem_start = 0;
2662                                         fix->mmio_start = 0;
2663                                         break;
2664                                 }
2665
2666                                 if (ion_hanle[ION_MAX - 1] != 0) {
2667                                         /*ion_unmap_kernel(rk_fb->ion_client,
2668                                          *      ion_hanle[ION_MAX - 1]);
2669                                          *ion_unmap_iommu(dev_drv->dev,
2670                                          *      rk_fb->ion_client,
2671                                          *      ion_hanle[ION_MAX - 1]);
2672                                          */
2673                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2674                                         ion_hanle[ION_MAX - 1] = 0;
2675                                 }
2676
2677                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2678                                 if (IS_ERR(hdl)) {
2679                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2680                                                 PTR_ERR(hdl));
2681                                         return -EFAULT;
2682                                 }
2683
2684                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2685                                                     (unsigned long *)&phy_addr,
2686                                                     (unsigned long *)&len);
2687                                 if (ret < 0) {
2688                                         dev_err(info->dev, "ion map to get phy addr failed");
2689                                         ion_free(rk_fb->ion_client, hdl);
2690                                         return -ENOMEM;
2691                                 }
2692                                 fix->smem_start = phy_addr;
2693                                 fix->mmio_start = phy_addr + offset;
2694                                 fix->smem_len = len;
2695                                 /*info->screen_base =
2696                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2697                                  */
2698                                 ion_hanle[0] = hdl;
2699                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2700                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2701                                 ion_hanle[0] = 0;
2702                         }
2703                         break;
2704                 }
2705         case RK_FBIOSET_ENABLE:
2706                 if (copy_from_user(&enable, argp, sizeof(enable)))
2707                         return -EFAULT;
2708                                 if (enable && fb_par->state)
2709                                         fb_par->state++;
2710                                 else
2711                                         fb_par->state--;
2712                 dev_drv->ops->open(dev_drv, win_id, enable);
2713                 break;
2714         case RK_FBIOGET_ENABLE:
2715                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2716                 if (copy_to_user(argp, &enable, sizeof(enable)))
2717                         return -EFAULT;
2718                 break;
2719         case RK_FBIOSET_OVERLAY_STA:
2720                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2721                         return -EFAULT;
2722                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2723                 break;
2724         case RK_FBIOGET_OVERLAY_STA:
2725                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2726                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2727                         return -EFAULT;
2728                 break;
2729         case RK_FBIOPUT_NUM_BUFFERS:
2730                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2731                         return -EFAULT;
2732                 dev_drv->num_buf = num_buf;
2733                 break;
2734         case RK_FBIOSET_VSYNC_ENABLE:
2735                 if (copy_from_user(&enable, argp, sizeof(enable)))
2736                         return -EFAULT;
2737                 dev_drv->vsync_info.active = enable;
2738                 break;
2739
2740         case RK_FBIOGET_DSP_ADDR:
2741                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2742                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2743                         return -EFAULT;
2744                 break;
2745         case RK_FBIOGET_LIST_STA:
2746                 list_stat = rk_fb_get_list_stat(dev_drv);
2747                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2748                         return -EFAULT;
2749
2750                 break;
2751         case RK_FBIOGET_IOMMU_STA:
2752                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2753                                  sizeof(dev_drv->iommu_enabled)))
2754                         return -EFAULT;
2755                 break;
2756 #if defined(CONFIG_ION_ROCKCHIP)
2757         case RK_FBIOSET_DMABUF_FD:
2758                 {
2759                         int usr_fd;
2760                         struct ion_handle *hdl;
2761                         ion_phys_addr_t phy_addr;
2762                         size_t len;
2763
2764                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2765                                 return -EFAULT;
2766
2767                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2768                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2769                         fix->smem_start = phy_addr;
2770                         break;
2771                 }
2772         case RK_FBIOGET_DMABUF_FD:
2773                 {
2774                         int fd = -1;
2775
2776                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2777                                 dev_err(info->dev,
2778                                         "get dma_buf fd failed,ion handle is err\n");
2779                                 return PTR_ERR(fb_par->ion_hdl);
2780                         }
2781                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2782                                                   fb_par->ion_hdl);
2783                         if (fd < 0) {
2784                                 dev_err(info->dev,
2785                                         "ion_share_dma_buf_fd failed\n");
2786                                 return fd;
2787                         }
2788                         if (copy_to_user(argp, &fd, sizeof(fd)))
2789                                 return -EFAULT;
2790                         break;
2791                 }
2792 #endif
2793         case RK_FBIOSET_CLEAR_FB:
2794                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2795                 break;
2796         case RK_FBIOSET_CONFIG_DONE:
2797                 {
2798                         int curr = 0;
2799                         struct timespec now;
2800
2801                         getnstimeofday(&now);
2802                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2803                         cfgdone_distlist[cfgdone_index++] =
2804                                 curr - cfgdone_lasttime;
2805                         cfgdone_lasttime = curr;
2806                         if (cfgdone_index >= 10)
2807                                 cfgdone_index = 0;
2808                 }
2809                 if (copy_from_user(&win_data,
2810                                    (struct rk_fb_win_cfg_data __user *)argp,
2811                                    sizeof(win_data))) {
2812                         ret = -EFAULT;
2813                         break;
2814                 };
2815
2816                 dev_drv->wait_fs = win_data.wait_fs;
2817                 ret = rk_fb_set_win_config(info, &win_data);
2818
2819                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2820                                  &win_data, sizeof(win_data))) {
2821                         ret = -EFAULT;
2822                         break;
2823                 }
2824                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2825
2826                 if (dev_drv->uboot_logo)
2827                         dev_drv->uboot_logo = 0;
2828
2829                 break;
2830         default:
2831                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2832                 break;
2833         }
2834
2835         return ret;
2836 }
2837
2838 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2839 {
2840         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2841         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2842         struct fb_fix_screeninfo *fix = &info->fix;
2843         int win_id;
2844 #if defined(CONFIG_RK_HDMI)
2845         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2846 #endif
2847
2848         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2849         if (win_id < 0)
2850                 return -ENODEV;
2851         mutex_lock(&dev_drv->switch_screen);
2852 #if defined(CONFIG_RK_HDMI)
2853         if ((rk_fb->disp_mode == ONE_DUAL) &&
2854             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2855                 pr_info("hdmi is connect , not blank lcdc\n");
2856         } else
2857 #endif
2858         {
2859                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2860         }
2861         mutex_unlock(&dev_drv->switch_screen);
2862         return 0;
2863 }
2864
2865 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2866 {
2867         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2868             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2869             ((16 != var->bits_per_pixel) &&
2870             (32 != var->bits_per_pixel) &&
2871             (24 != var->bits_per_pixel))) {
2872                 dev_err(info->dev, "%s check var fail 1:\n"
2873                         "xres_vir:%d>>yres_vir:%d\n"
2874                         "xres:%d>>yres:%d\n"
2875                         "bits_per_pixel:%d\n",
2876                         info->fix.id,
2877                         var->xres_virtual,
2878                         var->yres_virtual,
2879                         var->xres, var->yres, var->bits_per_pixel);
2880                 return -EINVAL;
2881         }
2882
2883         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2884             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2885                 dev_err(info->dev, "%s check_var fail 2:\n"
2886                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2887                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2888                         info->fix.id,
2889                         var->xoffset,
2890                         var->xres,
2891                         var->xres_virtual,
2892                         var->yoffset, var->yres, var->yres_virtual);
2893                 return -EINVAL;
2894         }
2895
2896         return 0;
2897 }
2898
2899 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2900                           size_t count, loff_t *ppos)
2901 {
2902         unsigned long p = *ppos;
2903         u8 *buffer, *dst;
2904         u8 __iomem *src;
2905         int c, cnt = 0, err = 0;
2906         unsigned long total_size;
2907         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2908         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2909         struct rk_lcdc_win *win = NULL;
2910         int win_id = 0;
2911
2912         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2913         if (win_id < 0)
2914                 return -ENODEV;
2915         else
2916                 win = dev_drv->win[win_id];
2917
2918         /* only read the current frame buffer */
2919         if (win->area[0].format == RGB565) {
2920                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2921         } else if ((win->area[0].format == YUV420) ||
2922                    (win->area[0].format == YUV420_NV21)) {
2923                 total_size =
2924                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2925         } else {
2926                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2927         }
2928         if (p >= total_size)
2929                 return 0;
2930
2931         if (count >= total_size)
2932                 count = total_size;
2933
2934         if (count + p > total_size)
2935                 count = total_size - p;
2936
2937         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2938         if (!buffer)
2939                 return -ENOMEM;
2940
2941         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2942
2943         while (count) {
2944                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2945                 dst = buffer;
2946                 fb_memcpy_fromfb(dst, src, c);
2947                 dst += c;
2948                 src += c;
2949
2950                 if (copy_to_user(buf, buffer, c)) {
2951                         err = -EFAULT;
2952                         break;
2953                 }
2954                 *ppos += c;
2955                 buf += c;
2956                 cnt += c;
2957                 count -= c;
2958         }
2959
2960         kfree(buffer);
2961
2962         return (err) ? err : cnt;
2963 }
2964
2965 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2966                            size_t count, loff_t *ppos)
2967 {
2968         unsigned long p = *ppos;
2969         u8 *buffer, *src;
2970         u8 __iomem *dst;
2971         int c, cnt = 0, err = 0;
2972         unsigned long total_size;
2973         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2974         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2975         struct rk_lcdc_win *win = NULL;
2976         int win_id = 0;
2977
2978         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2979         if (win_id < 0)
2980                 return -ENODEV;
2981         else
2982                 win = dev_drv->win[win_id];
2983
2984         /* write the current frame buffer */
2985         if (win->area[0].format == RGB565)
2986                 total_size = win->area[0].xact * win->area[0].yact << 1;
2987         else
2988                 total_size = win->area[0].xact * win->area[0].yact << 2;
2989
2990         if (p > total_size)
2991                 return -EFBIG;
2992
2993         if (count > total_size) {
2994                 err = -EFBIG;
2995                 count = total_size;
2996         }
2997
2998         if (count + p > total_size) {
2999                 if (!err)
3000                         err = -ENOSPC;
3001
3002                 count = total_size - p;
3003         }
3004
3005         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3006         if (!buffer)
3007                 return -ENOMEM;
3008
3009         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3010
3011         while (count) {
3012                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3013                 src = buffer;
3014
3015                 if (copy_from_user(src, buf, c)) {
3016                         err = -EFAULT;
3017                         break;
3018                 }
3019
3020                 fb_memcpy_tofb(dst, src, c);
3021                 dst += c;
3022                 src += c;
3023                 *ppos += c;
3024                 buf += c;
3025                 cnt += c;
3026                 count -= c;
3027         }
3028
3029         kfree(buffer);
3030
3031         return (cnt) ? cnt : err;
3032 }
3033
3034 static int rk_fb_set_par(struct fb_info *info)
3035 {
3036         struct fb_var_screeninfo *var = &info->var;
3037         struct fb_fix_screeninfo *fix = &info->fix;
3038         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3039         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3040         struct rk_lcdc_win *win = NULL;
3041         struct rk_screen *screen = dev_drv->cur_screen;
3042         int win_id = 0;
3043         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3044         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3045         u32 yoffset = var->yoffset;
3046         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3047         u16 ypos = (var->nonstd >> 20) & 0xfff;
3048         u32 xvir = var->xres_virtual;
3049         u8 data_format = var->nonstd & 0xff;
3050         u8 fb_data_fmt;
3051         u8 pixel_width;
3052         u32 vir_width_bit;
3053         u32 stride, uv_stride;
3054         u32 stride_32bit_1;
3055         u32 stride_32bit_2;
3056         u16 uv_x_off, uv_y_off, uv_y_act;
3057         u8 is_pic_yuv = 0;
3058         /*var->pixclock = dev_drv->pixclock;*/
3059         if (dev_drv->suspend_flag)
3060                 return 0;
3061         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3062         if (win_id < 0)
3063                 return -ENODEV;
3064         else
3065                 win = dev_drv->win[win_id];
3066
3067         /* if the application has specific the hor and ver display size */
3068         if (var->grayscale >> 8) {
3069                 xsize = (var->grayscale >> 8) & 0xfff;
3070                 ysize = (var->grayscale >> 20) & 0xfff;
3071                 if (xsize > screen->mode.xres)
3072                         xsize = screen->mode.xres;
3073                 if (ysize > screen->mode.yres)
3074                         ysize = screen->mode.yres;
3075         } else {                /*ohterwise  full  screen display */
3076                 xsize = screen->mode.xres;
3077                 ysize = screen->mode.yres;
3078         }
3079
3080         win->colorspace = CSC_FORMAT(data_format);
3081         data_format &= ~CSC_MASK;
3082         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3083         if (IS_FBDC_FMT(fb_data_fmt)) {
3084                 win->area[0].fbdc_en = 1;
3085                 win->area[0].fbdc_cor_en = 1;
3086         } else {
3087                 win->area[0].fbdc_en = 0;
3088                 win->area[0].fbdc_cor_en = 0;
3089         }
3090         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3091         vir_width_bit = pixel_width * xvir;
3092         /* pixel_width = byte_num * 8 */
3093         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3094         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3095
3096         switch (fb_data_fmt) {
3097         case YUV422:
3098         case YUV422_A:
3099                 is_pic_yuv = 1;
3100                 stride = stride_32bit_1;
3101                 uv_stride = stride_32bit_1;
3102                 uv_x_off = xoffset;
3103                 uv_y_off = yoffset;
3104                 fix->line_length = stride;
3105                 uv_y_act = win->area[0].yact >> 1;
3106                 break;
3107         case YUV420:            /* nv12 */
3108         case YUV420_NV21:       /* nv21 */
3109         case YUV420_A:
3110                 is_pic_yuv = 1;
3111                 stride = stride_32bit_1;
3112                 uv_stride = stride_32bit_1;
3113                 uv_x_off = xoffset;
3114                 uv_y_off = yoffset >> 1;
3115                 fix->line_length = stride;
3116                 uv_y_act = win->area[0].yact >> 1;
3117                 break;
3118         case YUV444:
3119         case YUV444_A:
3120                 is_pic_yuv = 1;
3121                 stride = stride_32bit_1;
3122                 uv_stride = stride_32bit_2;
3123                 uv_x_off = xoffset * 2;
3124                 uv_y_off = yoffset;
3125                 fix->line_length = stride << 2;
3126                 uv_y_act = win->area[0].yact;
3127                 break;
3128         default:
3129                 stride = stride_32bit_1;        /* default rgb */
3130                 fix->line_length = stride;
3131                 break;
3132         }
3133
3134         win->area[0].format = fb_data_fmt;
3135         win->area[0].y_vir_stride = stride >> 2;
3136         win->area[0].uv_vir_stride = uv_stride >> 2;
3137         win->area[0].xpos = xpos;
3138         win->area[0].ypos = ypos;
3139         win->area[0].xsize = xsize;
3140         win->area[0].ysize = ysize;
3141         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3142         win->area[0].yact = var->yres;
3143         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3144         win->area[0].yvir = var->yres_virtual;
3145         win->area[0].xoff = xoffset;
3146         win->area[0].yoff = yoffset;
3147         win->ymirror = 0;
3148         win->state = 1;
3149         win->last_state = 1;
3150
3151         win->area_num = 1;
3152         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3153         win->alpha_en = ((win->area[0].format == ARGB888) ||
3154                          (win->area[0].format == FBDC_ARGB_888) ||
3155                          (win->area[0].format == FBDC_ABGR_888) ||
3156                          (win->area[0].format == ABGR888)) ? 1 : 0;
3157         win->g_alpha_val = 0;
3158
3159         dev_drv->ops->set_par(dev_drv, win_id);
3160
3161         return 0;
3162 }
3163
3164 static inline unsigned int chan_to_field(unsigned int chan,
3165                                          struct fb_bitfield *bf)
3166 {
3167         chan &= 0xffff;
3168         chan >>= 16 - bf->length;
3169         return chan << bf->offset;
3170 }
3171
3172 static int fb_setcolreg(unsigned regno,
3173                         unsigned red, unsigned green, unsigned blue,
3174                         unsigned transp, struct fb_info *info)
3175 {
3176         unsigned int val;
3177
3178         switch (info->fix.visual) {
3179         case FB_VISUAL_TRUECOLOR:
3180                 /* true-colour, use pseudo-palette */
3181                 if (regno < 16) {
3182                         u32 *pal = info->pseudo_palette;
3183
3184                         val = chan_to_field(red, &info->var.red);
3185                         val |= chan_to_field(green, &info->var.green);
3186                         val |= chan_to_field(blue, &info->var.blue);
3187                         pal[regno] = val;
3188                 }
3189                 break;
3190         default:
3191                 return -1;      /* unknown type */
3192         }
3193
3194         return 0;
3195 }
3196
3197 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3198 {
3199         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3200         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3201         struct ion_handle *handle = fb_par->ion_hdl;
3202         struct dma_buf *dma_buf = NULL;
3203
3204         if (IS_ERR_OR_NULL(handle)) {
3205                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3206                         PTR_ERR(handle));
3207                 return -ENOMEM;
3208         }
3209         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3210         if (IS_ERR_OR_NULL(dma_buf)) {
3211                 pr_info("get ion share dma buf failed\n");
3212                 return -ENOMEM;
3213         }
3214
3215         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3216
3217         return dma_buf_mmap(dma_buf, vma, 0);
3218 }
3219
3220 static struct fb_ops fb_ops = {
3221         .owner = THIS_MODULE,
3222         .fb_open = rk_fb_open,
3223         .fb_release = rk_fb_close,
3224         .fb_check_var = rk_fb_check_var,
3225         .fb_set_par = rk_fb_set_par,
3226         .fb_blank = rk_fb_blank,
3227         .fb_ioctl = rk_fb_ioctl,
3228         .fb_compat_ioctl = rk_fb_ioctl,
3229         .fb_pan_display = rk_fb_pan_display,
3230         .fb_read = rk_fb_read,
3231         .fb_write = rk_fb_write,
3232         .fb_setcolreg = fb_setcolreg,
3233         .fb_fillrect = cfb_fillrect,
3234         .fb_copyarea = cfb_copyarea,
3235         .fb_imageblit = cfb_imageblit,
3236 };
3237
3238 static struct fb_var_screeninfo def_var = {
3239 #if defined(CONFIG_LOGO_LINUX_BMP)
3240         .red = {16, 8, 0},
3241         .green = {8, 8, 0},
3242         .blue = {0, 8, 0},
3243         .transp = {0, 0, 0},
3244         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3245 #else
3246         .red = {11, 5, 0},
3247         .green = {5, 6, 0},
3248         .blue = {0, 5, 0},
3249         .transp = {0, 0, 0},
3250         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3251 #endif
3252         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3253         .activate = FB_ACTIVATE_NOW,
3254         .accel_flags = 0,
3255         .vmode = FB_VMODE_NONINTERLACED,
3256 };
3257
3258 static struct fb_fix_screeninfo def_fix = {
3259         .type = FB_TYPE_PACKED_PIXELS,
3260         .type_aux = 0,
3261         .xpanstep = 1,
3262         .ypanstep = 1,
3263         .ywrapstep = 0,
3264         .accel = FB_ACCEL_NONE,
3265         .visual = FB_VISUAL_TRUECOLOR,
3266
3267 };
3268
3269 static int rk_fb_wait_for_vsync_thread(void *data)
3270 {
3271         struct rk_lcdc_driver *dev_drv = data;
3272         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3273         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3274
3275         while (!kthread_should_stop()) {
3276                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3277                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3278                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3279                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3280
3281                 if (!ret)
3282                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3283         }
3284
3285         return 0;
3286 }
3287
3288 static ssize_t rk_fb_vsync_show(struct device *dev,
3289                                 struct device_attribute *attr, char *buf)
3290 {
3291         struct fb_info *fbi = dev_get_drvdata(dev);
3292         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3293         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3294
3295         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3296                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3297 }
3298
3299 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3300
3301 /*
3302  * this two function is for other module that in the kernel which
3303  * need show image directly through fb
3304  * fb_id:we have 4 fb here,default we use fb0 for ui display
3305  */
3306 struct fb_info *rk_get_fb(int fb_id)
3307 {
3308         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3309         struct fb_info *fb = inf->fb[fb_id];
3310         return fb;
3311 }
3312 EXPORT_SYMBOL(rk_get_fb);
3313
3314 void rk_direct_fb_show(struct fb_info *fbi)
3315 {
3316         rk_fb_set_par(fbi);
3317         rk_fb_pan_display(&fbi->var, fbi);
3318 }
3319 EXPORT_SYMBOL(rk_direct_fb_show);
3320
3321 int rk_fb_dpi_open(bool open)
3322 {
3323         struct rk_lcdc_driver *dev_drv = NULL;
3324
3325         dev_drv = rk_get_prmry_lcdc_drv();
3326         if (dev_drv->ops->dpi_open)
3327                 dev_drv->ops->dpi_open(dev_drv, open);
3328         return 0;
3329 }
3330
3331 int rk_fb_dpi_win_sel(int win_id)
3332 {
3333         struct rk_lcdc_driver *dev_drv = NULL;
3334
3335         dev_drv = rk_get_prmry_lcdc_drv();
3336         if (dev_drv->ops->dpi_win_sel)
3337                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3338         return 0;
3339 }
3340
3341 int rk_fb_dpi_status(void)
3342 {
3343         int ret = 0;
3344         struct rk_lcdc_driver *dev_drv = NULL;
3345
3346         dev_drv = rk_get_prmry_lcdc_drv();
3347         if (dev_drv->ops->dpi_status)
3348                 ret = dev_drv->ops->dpi_status(dev_drv);
3349
3350         return ret;
3351 }
3352
3353 /*
3354  * function: this function will be called by display device, enable/disable lcdc
3355  * @screen: screen timing to be set to lcdc
3356  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3357  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3358  */
3359 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3360 {
3361         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3362         struct fb_info *info = NULL;
3363         struct rk_fb_par *fb_par = NULL;
3364         struct rk_lcdc_driver *dev_drv = NULL;
3365         struct rk_lcdc_win *win;
3366         char name[6] = {0};
3367         int i, win_id;
3368         static bool load_screen;
3369         char *envp[4];
3370         char envplcdc[32];
3371         char envpfbdev[32];
3372         int ret, list_is_empty = 0;
3373
3374         if (unlikely(!rk_fb) || unlikely(!screen))
3375                 return -ENODEV;
3376
3377         /* get lcdc driver */
3378         sprintf(name, "lcdc%d", lcdc_id);
3379         dev_drv = rk_get_lcdc_drv(name);
3380
3381         if (dev_drv == NULL) {
3382                 pr_err("%s driver not found!", name);
3383                 return -ENODEV;
3384         }
3385         if (screen->type == SCREEN_HDMI)
3386                 pr_info("hdmi %s lcdc%d\n",
3387                         enable ? "connect to" : "remove from",
3388                         dev_drv->id);
3389         else if (screen->type == SCREEN_TVOUT ||
3390                  screen->type == SCREEN_TVOUT_TEST)
3391                 pr_info("cvbs %s lcdc%d\n",
3392                         enable ? "connect to" : "remove from",
3393                         dev_drv->id);
3394         if (enable == 2 /*&& dev_drv->enable*/)
3395                 return 0;
3396         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3397                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3398
3399         mutex_lock(&dev_drv->switch_screen);
3400         hdmi_switch_state = 0;
3401         dev_drv->hdmi_switch = 1;
3402         if (!dev_drv->uboot_logo) {
3403                 mdelay(200);
3404                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3405                                            list_empty(&dev_drv->saved_list);
3406                 if (!list_is_empty) {
3407                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3408                                                  list_empty(&dev_drv->update_regs_list) &&
3409                                                  list_empty(&dev_drv->saved_list),
3410                                                  msecs_to_jiffies(60));
3411                         if (ret <= 0)
3412                                 pr_info("%s: wait update_regs_wait timeout\n",
3413                                         __func__);
3414                 }
3415         }
3416
3417         envp[0] = "switch screen";
3418         memset(envplcdc, 0, sizeof(envplcdc));
3419         memset(envpfbdev, 0, sizeof(envpfbdev));
3420         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3421         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3422         envp[1] = envplcdc;
3423         envp[2] = envpfbdev;
3424         envp[3] = NULL;
3425
3426         if ((rk_fb->disp_mode == ONE_DUAL) ||
3427             (rk_fb->disp_mode == NO_DUAL)) {
3428                 if ((dev_drv->ops->backlight_close) &&
3429                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3430                         dev_drv->ops->backlight_close(dev_drv, 1);
3431                 if (!dev_drv->uboot_logo || load_screen ||
3432                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3433                         if (dev_drv->ops->dsp_black)
3434                                 dev_drv->ops->dsp_black(dev_drv, 0);
3435                 }
3436                 if ((dev_drv->ops->set_screen_scaler) &&
3437                     (rk_fb->disp_mode == ONE_DUAL))
3438                         dev_drv->ops->set_screen_scaler(dev_drv,
3439                                                         dev_drv->screen0, 0);
3440         }
3441         if (!enable) {
3442                 /* if screen type is different, we do not disable lcdc. */
3443                 if (dev_drv->cur_screen->type != screen->type) {
3444                         dev_drv->hdmi_switch = 0;
3445                         mutex_unlock(&dev_drv->switch_screen);
3446                         return 0;
3447                 }
3448
3449                 /* if used one lcdc to dual disp, no need to close win */
3450                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3451                     ((rk_fb->disp_mode == NO_DUAL) &&
3452                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3453                         dev_drv->cur_screen = dev_drv->screen0;
3454                         dev_drv->ops->load_screen(dev_drv, 1);
3455                         /* force modify dsp size */
3456                         info = rk_fb->fb[dev_drv->fb_index_base];
3457                         info->var.grayscale &= 0xff;
3458                         info->var.grayscale |=
3459                                 (dev_drv->cur_screen->mode.xres << 8) +
3460                                 (dev_drv->cur_screen->mode.yres << 20);
3461                         mutex_lock(&dev_drv->win_config);
3462                         info->var.xoffset = 0;
3463                         info->var.yoffset = 0;
3464                         info->fbops->fb_set_par(info);
3465                         info->fbops->fb_pan_display(&info->var, info);
3466                         mutex_unlock(&dev_drv->win_config);
3467
3468                         /*
3469                          * if currently is loader display, black until new
3470                          * display job.
3471                          */
3472                         if (dev_drv->uboot_logo) {
3473                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3474                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3475                                             dev_drv->ops->win_direct_en)
3476                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3477                                 }
3478                         }
3479
3480                         /*if (dev_drv->ops->dsp_black)
3481                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3482                          */
3483                         if ((dev_drv->ops->backlight_close) &&
3484                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3485                                 dev_drv->ops->backlight_close(dev_drv, 0);
3486                 } else if (rk_fb->num_lcdc > 1) {
3487                         /* If there is more than one lcdc device, we disable
3488                          *  the layer which attached to this device
3489                          */
3490                         dev_drv->suspend_flag = 1;
3491                         flush_kthread_worker(&dev_drv->update_regs_worker);
3492                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3493                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3494                                         dev_drv->ops->open(dev_drv, i, 0);
3495                         }
3496                 }
3497                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3498
3499                 hdmi_switch_state = 0;
3500                 dev_drv->hdmi_switch = 0;
3501                 mutex_unlock(&dev_drv->switch_screen);
3502                 return 0;
3503         } else {
3504                 if (dev_drv->uboot_logo) {
3505                         if (dev_drv->cur_screen->mode.xres !=
3506                                 screen->mode.xres ||
3507                             dev_drv->cur_screen->mode.yres !=
3508                                 screen->mode.yres)
3509                                 load_screen = 1;
3510                 }
3511                 if (dev_drv->screen1)
3512                         dev_drv->cur_screen = dev_drv->screen1;
3513
3514                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3515                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3516                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3517                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3518                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3519         }
3520         if (!dev_drv->uboot_logo || load_screen ||
3521             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3522                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3523                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3524                         fb_par = (struct rk_fb_par *)info->par;
3525                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3526                         win = dev_drv->win[win_id];
3527                         if (win && fb_par->state) {
3528                                 dev_drv->ops->load_screen(dev_drv, 1);
3529
3530                                 info->var.activate |= FB_ACTIVATE_FORCE;
3531                                 if (rk_fb->disp_mode == ONE_DUAL) {
3532                                         info->var.grayscale &= 0xff;
3533                                         info->var.grayscale |=
3534                                                 (dev_drv->cur_screen->xsize << 8) +
3535                                                 (dev_drv->cur_screen->ysize << 20);
3536                                 }
3537                                 if (dev_drv->uboot_logo && win->state) {
3538                                         if (win->area[0].xpos ||
3539                                             win->area[0].ypos) {
3540                                                 win->area[0].xpos =
3541                                                         (screen->mode.xres -
3542                                                          win->area[0].xsize) / 2;
3543                                                 win->area[0].ypos =
3544                                                         (screen->mode.yres -
3545                                                          win->area[0].ysize) / 2;
3546                                         } else {
3547                                                 win->area[0].xsize =
3548                                                         screen->mode.xres;
3549                                                 win->area[0].ysize =
3550                                                         screen->mode.yres;
3551                                         }
3552                                         dev_drv->ops->set_par(dev_drv, i);
3553                                         dev_drv->ops->cfg_done(dev_drv);
3554                                 } else if (!dev_drv->win[win_id]->state) {
3555                                         dev_drv->ops->open(dev_drv, win_id, 1);
3556                                         dev_drv->suspend_flag = 0;
3557                                         mutex_lock(&dev_drv->win_config);
3558                                         info->var.xoffset = 0;
3559                                         info->var.yoffset = 0;
3560                                         info->fbops->fb_set_par(info);
3561                                         info->fbops->fb_pan_display(&info->var,
3562                                                                     info);
3563                                         mutex_unlock(&dev_drv->win_config);
3564                                 }
3565                         }
3566                 }
3567         } else {
3568                 dev_drv->ops->load_screen(dev_drv, 0);
3569         }
3570         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3571
3572         hdmi_switch_state = 1;
3573         load_screen = true;
3574         dev_drv->hdmi_switch = 0;
3575         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3576                 if ((dev_drv->ops->set_screen_scaler) &&
3577                     (rk_fb->disp_mode == ONE_DUAL))
3578                         dev_drv->ops->set_screen_scaler(dev_drv,
3579                                                         dev_drv->screen0, 1);
3580                 /*if (dev_drv->ops->dsp_black)
3581                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3582                 if ((dev_drv->ops->backlight_close) &&
3583                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3584                     (rk_fb->disp_mode == ONE_DUAL))
3585                         dev_drv->ops->backlight_close(dev_drv, 0);
3586         }
3587         mutex_unlock(&dev_drv->switch_screen);
3588         return 0;
3589 }
3590
3591 /*
3592  * function:this function current only called by hdmi for
3593  *      scale the display
3594  * scale_x: scale rate of x resolution
3595  * scale_y: scale rate of y resolution
3596  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3597  */
3598 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3599 {
3600         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3601         struct fb_info *info = NULL;
3602         struct fb_info *pmy_info = NULL;
3603         struct fb_var_screeninfo *var = NULL;
3604         struct rk_lcdc_driver *dev_drv = NULL;
3605         u16 screen_x, screen_y;
3606         u16 xpos, ypos;
3607         char name[6];
3608         struct rk_screen primary_screen;
3609
3610         rk_fb_get_prmry_screen(&primary_screen);
3611         if (primary_screen.type == SCREEN_HDMI)
3612                 return 0;
3613
3614         pr_err("should not be here--%s\n", __func__);
3615
3616         return 0;
3617         sprintf(name, "lcdc%d", lcdc_id);
3618
3619         if (inf->disp_mode == DUAL) {
3620                 dev_drv = rk_get_lcdc_drv(name);
3621                 if (!dev_drv) {
3622                         pr_err("%s driver not found!", name);
3623                         return -ENODEV;
3624                 }
3625         } else {
3626                 dev_drv = inf->lcdc_dev_drv[0];
3627         }
3628
3629         if (inf->num_lcdc == 1) {
3630                 info = inf->fb[0];
3631         } else if (inf->num_lcdc == 2) {
3632                 info = inf->fb[dev_drv->lcdc_win_num];
3633                 pmy_info = inf->fb[0];
3634         }
3635
3636         var = &info->var;
3637         screen_x = dev_drv->cur_screen->mode.xres;
3638         screen_y = dev_drv->cur_screen->mode.yres;
3639
3640         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3641                 dev_drv->cur_screen->xpos =
3642                     (screen_x - screen_x * scale_x / 100) >> 1;
3643                 dev_drv->cur_screen->ypos =
3644                     (screen_y - screen_y * scale_y / 100) >> 1;
3645                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3646                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3647         } else {
3648                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3649                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3650                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3651                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3652                 if (inf->disp_mode == ONE_DUAL) {
3653                         var->nonstd &= 0xff;
3654                         var->nonstd |= (xpos << 8) + (ypos << 20);
3655                         var->grayscale &= 0xff;
3656                         var->grayscale |=
3657                                 (dev_drv->cur_screen->xsize << 8) +
3658                                 (dev_drv->cur_screen->ysize << 20);
3659                 }
3660         }
3661
3662         mutex_lock(&dev_drv->win_config);
3663         info->fbops->fb_set_par(info);
3664         dev_drv->ops->cfg_done(dev_drv);
3665         mutex_unlock(&dev_drv->win_config);
3666
3667         return 0;
3668 }
3669
3670 #if defined(CONFIG_ION_ROCKCHIP)
3671 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3672                                      struct rk_lcdc_win *win,
3673                                      unsigned long fb_mem_size)
3674 {
3675         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3676         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3677         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3678         struct ion_handle *handle;
3679         ion_phys_addr_t phy_addr;
3680         size_t len;
3681         int ret = 0;
3682
3683         if (dev_drv->iommu_enabled)
3684                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3685                                    ION_HEAP_SYSTEM_MASK, 0);
3686         else
3687                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3688                                    ION_HEAP_TYPE_DMA_MASK, 0);
3689
3690         if (IS_ERR(handle)) {
3691                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3692                         PTR_ERR(handle));
3693                 return -ENOMEM;
3694         }
3695
3696         fb_par->ion_hdl = handle;
3697         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3698         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3699                 pr_info("ion_share_dma_buf() failed\n");
3700                 goto err_share_dma_buf;
3701         }
3702         win->area[0].ion_hdl = handle;
3703         if (dev_drv->prop == PRMRY)
3704                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3705         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3706                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3707                                     (unsigned long *)&phy_addr,
3708                                     (unsigned long *)&len);
3709         else
3710                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3711         if (ret < 0) {
3712                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3713                 goto err_share_dma_buf;
3714         }
3715         fbi->fix.smem_start = phy_addr;
3716         fbi->fix.smem_len = len;
3717         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3718         return 0;
3719
3720 err_share_dma_buf:
3721         ion_free(rk_fb->ion_client, handle);
3722         return -ENOMEM;
3723 }
3724 #endif
3725
3726 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3727 {
3728         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3729         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3730         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3731         struct rk_lcdc_win *win = NULL;
3732         int win_id;
3733         int ret = 0;
3734         unsigned long fb_mem_size;
3735 #if !defined(CONFIG_ION_ROCKCHIP)
3736         dma_addr_t fb_mem_phys;
3737         void *fb_mem_virt;
3738 #endif
3739         ion_phys_addr_t phy_addr;
3740         size_t len;
3741
3742         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3743         if (win_id < 0)
3744                 return -ENODEV;
3745         else
3746                 win = dev_drv->win[win_id];
3747
3748         if (!strcmp(fbi->fix.id, "fb0")) {
3749                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3750 #if defined(CONFIG_ION_ROCKCHIP)
3751                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3752                         return -ENOMEM;
3753 #else
3754                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3755                                                      &fb_mem_phys, GFP_KERNEL);
3756                 if (!fb_mem_virt) {
3757                         pr_err("%s: Failed to allocate framebuffer\n",
3758                                __func__);
3759                         return -ENOMEM;
3760                 }
3761                 fbi->fix.smem_len = fb_mem_size;
3762                 fbi->fix.smem_start = fb_mem_phys;
3763                 fbi->screen_base = fb_mem_virt;
3764 #endif
3765                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3766         } else {
3767                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3768                         struct rk_lcdc_driver *dev_drv_prmry;
3769                         int win_id_prmry;
3770
3771                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3772 #if defined(CONFIG_ION_ROCKCHIP)
3773                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3774                         if (dev_drv_prmry == NULL)
3775                                 return -ENODEV;
3776                         win_id_prmry =
3777                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3778                                                                  fbi->fix.id);
3779                         if (win_id_prmry < 0)
3780                                 return -ENODEV;
3781                         else
3782                                 fb_par->ion_hdl =
3783                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3784                                 fbi->screen_base =
3785                                         ion_map_kernel(rk_fb->ion_client,
3786                                                        fb_par->ion_hdl);
3787                                 dev_drv->win[win_id]->area[0].ion_hdl =
3788                                         fb_par->ion_hdl;
3789                                 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3790                                         ret = ion_map_iommu(dev_drv->dev,
3791                                                             rk_fb->ion_client,
3792                                                             fb_par->ion_hdl,
3793                                                             (unsigned long *)&phy_addr,
3794                                                             (unsigned long *)&len);
3795                                 else
3796                                         ret = ion_phys(rk_fb->ion_client,
3797                                                        fb_par->ion_hdl,
3798                                                        &phy_addr, &len);
3799                                 if (ret < 0) {
3800                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3801                                         return -ENOMEM;
3802                                 }
3803                                 fbi->fix.smem_start = phy_addr;
3804                                 fbi->fix.smem_len = len;
3805 #else
3806                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3807                                                              fb_mem_size,
3808                                                              &fb_mem_phys,
3809                                                              GFP_KERNEL);
3810                         if (!fb_mem_virt) {
3811                                 pr_err("%s: Failed to allocate framebuffer\n",
3812                                        __func__);
3813                                 return -ENOMEM;
3814                         }
3815                         fbi->fix.smem_len = fb_mem_size;
3816                         fbi->fix.smem_start = fb_mem_phys;
3817                         fbi->screen_base = fb_mem_virt;
3818 #endif
3819                 } else {
3820                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3821                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3822                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3823                 }
3824         }
3825
3826         fbi->screen_size = fbi->fix.smem_len;
3827         fb_par->fb_phy_base = fbi->fix.smem_start;
3828         fb_par->fb_virt_base = fbi->screen_base;
3829         fb_par->fb_size = fbi->fix.smem_len;
3830
3831         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3832                 fbi->fix.smem_start, fbi->screen_base,
3833                 fbi->fix.smem_len);
3834         return ret;
3835 }
3836
3837 #if 0
3838 static int rk_release_fb_buffer(struct fb_info *fbi)
3839 {
3840         /* buffer for fb1 and fb3 are alloc by android */
3841         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3842                 return 0;
3843         iounmap(fbi->screen_base);
3844         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3845         return 0;
3846 }
3847 #endif
3848
3849 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3850                          struct rk_lcdc_win *def_win)
3851 {
3852         int i;
3853         int lcdc_win_num = dev_drv->lcdc_win_num;
3854
3855         for (i = 0; i < lcdc_win_num; i++) {
3856                 struct rk_lcdc_win *win = NULL;
3857
3858                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3859                 if (!win) {
3860                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3861                         return -ENOMEM;
3862                 }
3863
3864                 strcpy(win->name, def_win[i].name);
3865                 win->id = def_win[i].id;
3866                 win->support_3d = def_win[i].support_3d;
3867                 dev_drv->win[i] = win;
3868         }
3869
3870         return 0;
3871 }
3872
3873 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3874                                    struct rk_lcdc_win *def_win, int index)
3875 {
3876         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3877         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3878                                                 sizeof(struct rk_screen),
3879                                                 GFP_KERNEL);
3880         int i = 0;
3881
3882         if (!screen) {
3883                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3884                         dev_drv->id);
3885                 return -ENOMEM;
3886         }
3887
3888         screen->screen_id = 0;
3889         screen->lcdc_id = dev_drv->id;
3890         screen->overscan.left = 100;
3891         screen->overscan.top = 100;
3892         screen->overscan.right = 100;
3893         screen->overscan.bottom = 100;
3894
3895         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3896         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3897
3898         dev_drv->screen0 = screen;
3899         dev_drv->cur_screen = screen;
3900         /* devie use one lcdc + rk61x scaler for dual display */
3901         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3902                 struct rk_screen *screen1 =
3903                                 devm_kzalloc(dev_drv->dev,
3904                                              sizeof(struct rk_screen),
3905                                              GFP_KERNEL);
3906                 if (!screen1) {
3907                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3908                                 dev_drv->id);
3909                         return -ENOMEM;
3910                 }
3911                 screen1->screen_id = 1;
3912                 screen1->lcdc_id = 1;
3913                 dev_drv->screen1 = screen1;
3914         }
3915         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3916         init_lcdc_win(dev_drv, def_win);
3917         init_completion(&dev_drv->frame_done);
3918         spin_lock_init(&dev_drv->cpl_lock);
3919         mutex_init(&dev_drv->fb_win_id_mutex);
3920         mutex_init(&dev_drv->win_config);
3921         mutex_init(&dev_drv->front_lock);
3922         mutex_init(&dev_drv->switch_screen);
3923         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3924         dev_drv->first_frame = 1;
3925         dev_drv->overscan.left = 100;
3926         dev_drv->overscan.top = 100;
3927         dev_drv->overscan.right = 100;
3928         dev_drv->overscan.bottom = 100;
3929         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3930                 dev_drv->area_support[i] = 1;
3931         if (dev_drv->ops->area_support_num)
3932                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3933         rk_disp_pwr_ctr_parse_dt(dev_drv);
3934         if (dev_drv->prop == PRMRY) {
3935                 rk_fb_set_prmry_screen(screen);
3936                 rk_fb_get_prmry_screen(screen);
3937         }
3938         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3939         if (dev_drv->prop != PRMRY)
3940                 rk_fb_get_extern_screen(screen);
3941         dev_drv->output_color = screen->color_mode;
3942
3943         return 0;
3944 }
3945
3946 #ifdef CONFIG_LOGO_LINUX_BMP
3947 static struct linux_logo *bmp_logo;
3948 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3949 {
3950         bmp_logo = fb_find_logo(24);
3951         if (bmp_logo == NULL) {
3952                 pr_info("%s error\n", __func__);
3953                 return 0;
3954         }
3955         return 1;
3956 }
3957
3958 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3959 {
3960         unsigned char *src = bmp_logo->data;
3961         unsigned char *dst = info->screen_base;
3962         int i;
3963         unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
3964         unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
3965
3966         for (i = 0; i < needheight; i++)
3967                 memcpy(dst + info->var.xres * i * 4,
3968                        src + bmp_logo->width * i * 4, needwidth * 4);
3969 }
3970 #endif
3971
3972 /*
3973  * check if the primary lcdc has registered,
3974  * the primary lcdc mas register first
3975  */
3976 bool is_prmry_rk_lcdc_registered(void)
3977 {
3978         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3979
3980         if (rk_fb->lcdc_dev_drv[0])
3981                 return true;
3982         else
3983                 return false;
3984 }
3985
3986 __weak phys_addr_t uboot_logo_base;
3987 __weak phys_addr_t uboot_logo_size;
3988 __weak phys_addr_t uboot_logo_offset;
3989
3990 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3991                    struct rk_lcdc_win *win, int id)
3992 {
3993         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3994         struct fb_info *fbi;
3995         struct rk_fb_par *fb_par = NULL;
3996         int i = 0, ret = 0, index = 0;
3997         unsigned long flags;
3998
3999         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4000                 return -ENXIO;
4001
4002         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4003                 if (!rk_fb->lcdc_dev_drv[i]) {
4004                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4005                         rk_fb->lcdc_dev_drv[i]->id = id;
4006                         rk_fb->num_lcdc++;
4007                         break;
4008                 }
4009         }
4010
4011         index = i;
4012         init_lcdc_device_driver(rk_fb, win, index);
4013         dev_drv->fb_index_base = rk_fb->num_fb;
4014         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4015                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4016                 if (!fbi) {
4017                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4018                         ret = -ENOMEM;
4019                 }
4020                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4021                                       GFP_KERNEL);
4022                 if (!fb_par) {
4023                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4024                                 rk_fb->num_fb);
4025                         return -ENOMEM;
4026                 }
4027                 fb_par->id = rk_fb->num_fb;
4028                 fb_par->lcdc_drv = dev_drv;
4029                 fbi->par = (void *)fb_par;
4030                 fbi->var = def_var;
4031                 fbi->fix = def_fix;
4032                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4033                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4034                 fbi->var.grayscale |=
4035                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4036 #if defined(CONFIG_LOGO_LINUX_BMP)
4037                 fbi->var.bits_per_pixel = 32;
4038 #else
4039                 fbi->var.bits_per_pixel = 16;
4040 #endif
4041                 fbi->fix.line_length =
4042                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4043                 fbi->var.width = dev_drv->cur_screen->width;
4044                 fbi->var.height = dev_drv->cur_screen->height;
4045                 if (dev_drv->iommu_enabled)
4046                         fb_ops.fb_mmap = rk_fb_mmap;
4047                 fbi->fbops = &fb_ops;
4048                 fbi->flags = FBINFO_FLAG_DEFAULT;
4049                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4050                 ret = register_framebuffer(fbi);
4051                 if (ret < 0) {
4052                         dev_err(&fb_pdev->dev,
4053                                 "%s fb%d register_framebuffer fail!\n",
4054                                 __func__, rk_fb->num_fb);
4055                         return ret;
4056                 }
4057                 rkfb_create_sysfs(fbi);
4058                 rk_fb->fb[rk_fb->num_fb] = fbi;
4059                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4060                          fbi->fix.id);
4061                 rk_fb->num_fb++;
4062
4063                 if (i == 0) {
4064                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4065                         init_waitqueue_head(&dev_drv->update_regs_wait);
4066                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4067                         if (ret)
4068                                 dev_err(fbi->dev,
4069                                         "failed to create vsync file\n");
4070                         dev_drv->vsync_info.thread =
4071                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4072                                         "fb-vsync");
4073                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4074                                 dev_err(fbi->dev,
4075                                         "failed to run vsync thread\n");
4076                                 dev_drv->vsync_info.thread = NULL;
4077                         }
4078                         dev_drv->vsync_info.active = 1;
4079
4080                         mutex_init(&dev_drv->output_lock);
4081
4082                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4083                         mutex_init(&dev_drv->update_regs_list_lock);
4084                         init_kthread_worker(&dev_drv->update_regs_worker);
4085
4086                         dev_drv->update_regs_thread =
4087                             kthread_run(kthread_worker_fn,
4088                                         &dev_drv->update_regs_worker, "rk-fb");
4089                         if (IS_ERR(dev_drv->update_regs_thread)) {
4090                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4091
4092                                 dev_drv->update_regs_thread = NULL;
4093                                 pr_info("failed to run update_regs thread\n");
4094                                 return err;
4095                         }
4096                         init_kthread_work(&dev_drv->update_regs_work,
4097                                           rk_fb_update_regs_handler);
4098
4099                         dev_drv->timeline =
4100                             sw_sync_timeline_create("fb-timeline");
4101                         dev_drv->timeline_max = 1;
4102                 }
4103         }
4104
4105         /* show logo for primary display device */
4106 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4107         if (dev_drv->prop == PRMRY) {
4108                 u16 xact, yact;
4109                 int format;
4110                 u32 dsp_addr;
4111                 struct fb_info *main_fbi = rk_fb->fb[0];
4112
4113                 main_fbi->fbops->fb_open(main_fbi, 1);
4114                 main_fbi->var.pixclock = dev_drv->pixclock;
4115                 if (dev_drv->iommu_enabled) {
4116                         if (dev_drv->mmu_dev)
4117                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4118                                                 rk_fb_sysmmu_fault_handler);
4119                 }
4120
4121                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4122                 dev_drv->uboot_logo = support_uboot_display();
4123
4124                 if (dev_drv->uboot_logo &&
4125                     uboot_logo_offset && uboot_logo_base) {
4126                         int width, height, bits, xvir;
4127                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4128                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4129                         unsigned int nr_pages;
4130                         int ymirror = 0;
4131                         struct page **pages;
4132                         char *vaddr;
4133                         int i = 0;
4134
4135                         if (dev_drv->ops->get_dspbuf_info)
4136                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4137                                         &yact, &format, &dsp_addr, &ymirror);
4138                         nr_pages = size >> PAGE_SHIFT;
4139                         pages = kzalloc(sizeof(struct page) * nr_pages,
4140                                         GFP_KERNEL);
4141                         while (i < nr_pages) {
4142                                 pages[i] = phys_to_page(start);
4143                                 start += PAGE_SIZE;
4144                                 i++;
4145                         }
4146                         vaddr = vmap(pages, nr_pages, VM_MAP,
4147                                      pgprot_writecombine(PAGE_KERNEL));
4148                         if (!vaddr) {
4149                                 pr_err("failed to vmap phy addr 0x%lx\n",
4150                                        (long)(uboot_logo_base +
4151                                        uboot_logo_offset));
4152                                 return -1;
4153                         }
4154
4155                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4156                                        &height, &bits)) {
4157                                 kfree(pages);
4158                                 vunmap(vaddr);
4159                                 return 0;
4160                         }
4161                         kfree(pages);
4162                         vunmap(vaddr);
4163                         if (dev_drv->uboot_logo &&
4164                             (width != xact || height != yact)) {
4165                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4166                                        xact, yact, width, height);
4167                                 return 0;
4168                         }
4169                         xvir = ALIGN(width * bits, 1 << 5) >> 5;
4170                         ymirror = 0;
4171                         local_irq_save(flags);
4172                         if (dev_drv->ops->wait_frame_start)
4173                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4174                         if (dev_drv->ops->post_dspbuf) {
4175                                 dev_drv->ops->post_dspbuf(dev_drv,
4176                                         main_fbi->fix.smem_start,
4177                                         rk_fb_data_fmt(0, bits),
4178                                         width, height, xvir,
4179                                         ymirror);
4180                         }
4181                         if (dev_drv->iommu_enabled) {
4182                                 rk_fb_poll_wait_frame_complete();
4183                                 if (dev_drv->ops->mmu_en)
4184                                         dev_drv->ops->mmu_en(dev_drv);
4185                                 freed_index = 0;
4186                         }
4187                         local_irq_restore(flags);
4188                         return 0;
4189                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4190                         u32 start = uboot_logo_base;
4191                         int logo_len, i = 0;
4192                         int y_mirror = 0;
4193                         unsigned int nr_pages;
4194                         struct page **pages;
4195                         char *vaddr;
4196                         int align = 0, xvir;
4197
4198                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4199                                                       &yact, &format,
4200                                                       &start,
4201                                                       &y_mirror);
4202                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4203                         if (logo_len > uboot_logo_size ||
4204                             logo_len > main_fbi->fix.smem_len) {
4205                                 pr_err("logo size > uboot reserve buffer size\n");
4206                                 return -1;
4207                         }
4208                         if (y_mirror)
4209                                 start -= logo_len;
4210
4211                         align = start % PAGE_SIZE;
4212                         start -= align;
4213                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4214                         pages = kzalloc(sizeof(struct page) * nr_pages,
4215                                         GFP_KERNEL);
4216                         while (i < nr_pages) {
4217                                 pages[i] = phys_to_page(start);
4218                                 start += PAGE_SIZE;
4219                                 i++;
4220                         }
4221                         vaddr = vmap(pages, nr_pages, VM_MAP,
4222                                      pgprot_writecombine(PAGE_KERNEL));
4223                         if (!vaddr) {
4224                                 pr_err("failed to vmap phy addr 0x%x\n",
4225                                        start);
4226                                 return -1;
4227                         }
4228
4229                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4230
4231                         kfree(pages);
4232                         vunmap(vaddr);
4233                         xvir = ALIGN(xact * rk_fb_pixel_width(format),
4234                                      1 << 5) >> 5;
4235                         local_irq_save(flags);
4236                         if (dev_drv->ops->wait_frame_start)
4237                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4238                         dev_drv->ops->post_dspbuf(dev_drv,
4239                                         main_fbi->fix.smem_start +
4240                                         (y_mirror ? logo_len : 0),
4241                                         format, xact, yact,
4242                                         xvir,
4243                                         y_mirror);
4244                         if (dev_drv->iommu_enabled) {
4245                                 rk_fb_poll_wait_frame_complete();
4246                                 if (dev_drv->ops->mmu_en)
4247                                         dev_drv->ops->mmu_en(dev_drv);
4248                                 freed_index = 0;
4249                         }
4250                         local_irq_restore(flags);
4251                         return 0;
4252                 } else {
4253                         if (dev_drv->iommu_enabled) {
4254                                 if (dev_drv->ops->mmu_en)
4255                                         dev_drv->ops->mmu_en(dev_drv);
4256                                 freed_index = 0;
4257                         }
4258                 }
4259 #if defined(CONFIG_LOGO)
4260                 main_fbi->fbops->fb_set_par(main_fbi);
4261 #if  defined(CONFIG_LOGO_LINUX_BMP)
4262                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4263                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4264                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4265                 }
4266 #else
4267                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4268                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4269                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4270                 }
4271 #endif
4272                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4273 #endif
4274         } else {
4275                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4276
4277                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4278                 extend_fbi->fbops->fb_open(extend_fbi, 1);
4279                 if (dev_drv->iommu_enabled) {
4280                         if (dev_drv->mmu_dev)
4281                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4282                                                                  rk_fb_sysmmu_fault_handler);
4283                 }
4284                 rk_fb_alloc_buffer(extend_fbi);
4285         }
4286 #endif
4287         return 0;
4288 }
4289
4290 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4291 {
4292         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4293         struct fb_info *fbi;
4294         int fb_index_base = dev_drv->fb_index_base;
4295         int fb_num = dev_drv->lcdc_win_num;
4296         int i = 0;
4297
4298         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4299                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4300                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4301         }
4302
4303         for (i = 0; i < fb_num; i++)
4304                 kfree(dev_drv->win[i]);
4305
4306         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4307                 fbi = fb_inf->fb[i];
4308                 unregister_framebuffer(fbi);
4309                 /* rk_release_fb_buffer(fbi); */
4310                 framebuffer_release(fbi);
4311         }
4312         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4313         fb_inf->num_lcdc--;
4314
4315         return 0;
4316 }
4317
4318 static int rk_fb_probe(struct platform_device *pdev)
4319 {
4320         struct rk_fb *rk_fb = NULL;
4321         struct device_node *np = pdev->dev.of_node;
4322         u32 mode;
4323
4324         if (!np) {
4325                 dev_err(&pdev->dev, "Missing device tree node.\n");
4326                 return -EINVAL;
4327         }
4328
4329         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4330         if (!rk_fb) {
4331                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4332                 return -ENOMEM;
4333         }
4334         platform_set_drvdata(pdev, rk_fb);
4335
4336         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4337                 rk_fb->disp_mode = mode;
4338
4339         } else {
4340                 dev_err(&pdev->dev, "no disp-mode node found!");
4341                 return -ENODEV;
4342         }
4343
4344         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4345                 rk_fb->disp_policy = mode;
4346                 pr_info("fb disp policy is %s\n",
4347                         rk_fb->disp_policy ? "box" : "sdk");
4348         }
4349
4350         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4351                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4352
4353         dev_set_name(&pdev->dev, "rockchip-fb");
4354 #if defined(CONFIG_ION_ROCKCHIP)
4355         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4356         if (IS_ERR(rk_fb->ion_client)) {
4357                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4358                 return PTR_ERR(rk_fb->ion_client);
4359         } else {
4360                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4361         }
4362 #endif
4363
4364         fb_pdev = pdev;
4365         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4366         return 0;
4367 }
4368
4369 static int rk_fb_remove(struct platform_device *pdev)
4370 {
4371         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4372
4373         kfree(rk_fb);
4374         platform_set_drvdata(pdev, NULL);
4375         return 0;
4376 }
4377
4378 static void rk_fb_shutdown(struct platform_device *pdev)
4379 {
4380         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4381         int i;
4382
4383         for (i = 0; i < rk_fb->num_lcdc; i++) {
4384                 if (!rk_fb->lcdc_dev_drv[i])
4385                         continue;
4386                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4387         }
4388 }
4389
4390 static const struct of_device_id rkfb_dt_ids[] = {
4391         {.compatible = "rockchip,rk-fb",},
4392         {}
4393 };
4394
4395 static struct platform_driver rk_fb_driver = {
4396         .probe = rk_fb_probe,
4397         .remove = rk_fb_remove,
4398         .driver = {
4399                    .name = "rk-fb",
4400                    .owner = THIS_MODULE,
4401                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4402                    },
4403         .shutdown = rk_fb_shutdown,
4404 };
4405
4406 static int __init rk_fb_init(void)
4407 {
4408         return platform_driver_register(&rk_fb_driver);
4409 }
4410
4411 static void __exit rk_fb_exit(void)
4412 {
4413         platform_driver_unregister(&rk_fb_driver);
4414 }
4415
4416 fs_initcall(rk_fb_init);
4417 module_exit(rk_fb_exit);