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 #include <linux/of_address.h>
  35 #include <linux/memblock.h>
  36
  37 #include "bmp_helper.h"
  38
  39 #if defined(CONFIG_RK_HDMI)
  40 #include "hdmi/rockchip-hdmi.h"
  41 #endif
  42
  43 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  44 #include "rga/rga.h"
  45 #endif
  46
  47 #ifdef CONFIG_OF
  48 #include <linux/of.h>
  49 #include <linux/of_platform.h>
  50 #include <linux/of_gpio.h>
  51 #include <video/of_display_timing.h>
  52 #include <video/display_timing.h>
  53 #endif
  54
  55 #if defined(CONFIG_ION_ROCKCHIP)
  56 #include <linux/rockchip_ion.h>
  57 #include <linux/rockchip-iovmm.h>
  58 #include <linux/dma-buf.h>
  59 #include <linux/highmem.h>
  60 #endif
  61
  62 #define H_USE_FENCE 1
  63 /* #define FB_ROATE_BY_KERNEL 1 */
  64
  65 static int hdmi_switch_state;
  66 static struct platform_device *fb_pdev;
  67
  68 #if defined(CONFIG_FB_MIRRORING)
  69 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
  70 EXPORT_SYMBOL(video_data_to_mirroring);
  71 #endif
  72
  73 extern phys_addr_t uboot_logo_base;
  74 extern phys_addr_t uboot_logo_size;
  75 extern phys_addr_t uboot_logo_offset;
  76 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  77 static struct rk_fb_trsm_ops *trsm_edp_ops;
  78 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  79 static int uboot_logo_on;
  80
  81 static int rk_fb_debug_lvl;
  82 static int rk_fb_iommu_debug;
  83 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
  84 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
  85
  86 #define rk_fb_dbg(level, x...) do {             \
  87         if (unlikely(rk_fb_debug_lvl >= level)) \
  88                 pr_info(x);                     \
  89         } while (0)
  90 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
  91                               struct rk_fb_win_cfg_data *win_data,
  92                               struct rk_fb_reg_data *regs, u32 cmd);
  93 static int car_reversing;
  94
  95 static int is_car_camcap(void) {
  96         return car_reversing && strcmp("camcap", current->comm);
  97 }
  98
  99 int support_uboot_display(void)
 100 {
 101         return uboot_logo_on;
 102 }
 103
 104 int rk_fb_get_display_policy(void)
 105 {
 106         struct rk_fb *rk_fb;
 107
 108         if (fb_pdev) {
 109                 rk_fb = platform_get_drvdata(fb_pdev);
 110                 return rk_fb->disp_policy;
 111         } else {
 112                 return DISPLAY_POLICY_SDK;
 113         }
 114 }
 115
 116 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 117 {
 118         switch (type) {
 119         case SCREEN_RGB:
 120         case SCREEN_LVDS:
 121         case SCREEN_DUAL_LVDS:
 122         case SCREEN_LVDS_10BIT:
 123         case SCREEN_DUAL_LVDS_10BIT:
 124                 trsm_lvds_ops = ops;
 125                 break;
 126         case SCREEN_EDP:
 127                 trsm_edp_ops = ops;
 128                 break;
 129         case SCREEN_MIPI:
 130         case SCREEN_DUAL_MIPI:
 131                 trsm_mipi_ops = ops;
 132                 break;
 133         default:
 134                 pr_warn("%s: unsupported transmitter: %d!\n",
 135                         __func__, type);
 136                 break;
 137         }
 138         return 0;
 139 }
 140
 141 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 142 {
 143         struct rk_fb_trsm_ops *ops;
 144
 145         switch (type) {
 146         case SCREEN_RGB:
 147         case SCREEN_LVDS:
 148         case SCREEN_DUAL_LVDS:
 149         case SCREEN_LVDS_10BIT:
 150         case SCREEN_DUAL_LVDS_10BIT:
 151                 ops = trsm_lvds_ops;
 152                 break;
 153         case SCREEN_EDP:
 154                 ops = trsm_edp_ops;
 155                 break;
 156         case SCREEN_MIPI:
 157         case SCREEN_DUAL_MIPI:
 158                 ops = trsm_mipi_ops;
 159                 break;
 160         default:
 161                 ops = NULL;
 162                 pr_warn("%s: unsupported transmitter: %d!\n",
 163                         __func__, type);
 164                 break;
 165         }
 166         return ops;
 167 }
 168
 169 int rk_fb_pixel_width(int data_format)
 170 {
 171         int pixel_width;
 172
 173         switch (data_format) {
 174         case XBGR888:
 175         case XRGB888:
 176         case ABGR888:
 177         case ARGB888:
 178         case FBDC_ARGB_888:
 179         case FBDC_ABGR_888:
 180         case FBDC_RGBX_888:
 181                 pixel_width = 4 * 8;
 182                 break;
 183         case RGB888:
 184         case BGR888:
 185                 pixel_width = 3 * 8;
 186                 break;
 187         case RGB565:
 188         case BGR565:
 189         case FBDC_RGB_565:
 190                 pixel_width = 2 * 8;
 191                 break;
 192         case YUV422:
 193         case YUV420:
 194         case YUV420_NV21:
 195         case YUV444:
 196                 pixel_width = 1 * 8;
 197                 break;
 198         case YUV422_A:
 199         case YUV420_A:
 200         case YUV444_A:
 201                 pixel_width = 8;
 202                 break;
 203         case YUYV422:
 204         case UYVY422:
 205         case YUYV420:
 206         case UYVY420:
 207                 pixel_width = 16;
 208                 break;
 209         default:
 210                 pr_warn("%s: unsupported format: 0x%x\n",
 211                         __func__, data_format);
 212                 return -EINVAL;
 213         }
 214         return pixel_width;
 215 }
 216
 217 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 218 {
 219         int fb_data_fmt = 0;
 220
 221         if (data_format) {
 222                 switch (data_format) {
 223                 case HAL_PIXEL_FORMAT_RGBX_8888:
 224                         fb_data_fmt = XBGR888;
 225                         break;
 226                 case HAL_PIXEL_FORMAT_BGRX_8888:
 227                         fb_data_fmt = XRGB888;
 228                         break;
 229                 case HAL_PIXEL_FORMAT_RGBA_8888:
 230                         fb_data_fmt = ABGR888;
 231                         break;
 232                 case HAL_PIXEL_FORMAT_BGRA_8888:
 233                         fb_data_fmt = ARGB888;
 234                         break;
 235                 case HAL_PIXEL_FORMAT_RGB_888:
 236                         fb_data_fmt = RGB888;
 237                         break;
 238                 case HAL_PIXEL_FORMAT_BGR_888:
 239                         fb_data_fmt = BGR888;
 240                         break;
 241                 case HAL_PIXEL_FORMAT_RGB_565:
 242                         fb_data_fmt = RGB565;
 243                         break;
 244                 case HAL_PIXEL_FORMAT_BGR_565:
 245                         fb_data_fmt = BGR565;
 246                         break;
 247                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 248                         fb_data_fmt = YUV422;
 249                         break;
 250                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 251                         fb_data_fmt = YUV420_NV21;
 252                         break;
 253                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 254                         fb_data_fmt = YUV420;
 255                         break;
 256                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 257                         fb_data_fmt = YUV444;
 258                         break;
 259                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 260                         fb_data_fmt = YUV420_A;
 261                         break;
 262                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 263                         fb_data_fmt = YUV422_A;
 264                         break;
 265                 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10:  /* yuv444 */
 266                         fb_data_fmt = YUV444_A;
 267                         break;
 268                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 269                         fb_data_fmt = FBDC_RGB_565;
 270                         break;
 271                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 272                         fb_data_fmt = FBDC_ARGB_888;
 273                         break;
 274                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 275                         fb_data_fmt = FBDC_ABGR_888;
 276                         break;
 277                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 278                         fb_data_fmt = FBDC_RGBX_888;
 279                         break;
 280                 case HAL_PIXEL_FORMAT_YUYV422:          /* yuyv422 */
 281                         fb_data_fmt = YUYV422;
 282                         break;
 283                 case HAL_PIXEL_FORMAT_YUYV420:          /* yuyv420 */
 284                         fb_data_fmt = YUYV420;
 285                         break;
 286                 case HAL_PIXEL_FORMAT_UYVY422:          /* uyvy422 */
 287                         fb_data_fmt = UYVY422;
 288                         break;
 289                 case HAL_PIXEL_FORMAT_UYVY420:          /* uyvy420 */
 290                         fb_data_fmt = UYVY420;
 291                         break;
 292                 default:
 293                         pr_warn("%s: unsupported format: 0x%x\n",
 294                                 __func__, data_format);
 295                         return -EINVAL;
 296                 }
 297         } else {
 298                 switch (bits_per_pixel) {
 299                 case 32:
 300                         fb_data_fmt = ARGB888;
 301                         break;
 302                 case 24:
 303                         fb_data_fmt = RGB888;
 304                         break;
 305                 case 16:
 306                         fb_data_fmt = RGB565;
 307                         break;
 308                 default:
 309                         pr_warn("%s: unsupported bits_per_pixel: %d\n",
 310                                 __func__, bits_per_pixel);
 311                         break;
 312                 }
 313         }
 314         return fb_data_fmt;
 315 }
 316
 317 /*
 318  * rk display power control parse from dts
 319  */
 320 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 321 {
 322         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 323                                                         "power_ctr");
 324         struct device_node *child;
 325         struct rk_disp_pwr_ctr_list *pwr_ctr;
 326         struct list_head *pos;
 327         enum of_gpio_flags flags;
 328         u32 val = 0;
 329         u32 debug = 0;
 330         int ret;
 331
 332         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 333         if (!root) {
 334                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 335                         dev_drv->id);
 336                 return -ENODEV;
 337         }
 338
 339         for_each_child_of_node(root, child) {
 340                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 341                                   GFP_KERNEL);
 342                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 343                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 344                         if (val == GPIO) {
 345                                 pwr_ctr->pwr_ctr.type = GPIO;
 346                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 347                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 348                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 349                                                 child->name);
 350                                         return -EINVAL;
 351                                 }
 352                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 353                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 354                                                    child->name);
 355                                 if (ret) {
 356                                         dev_err(dev_drv->dev,
 357                                                 "request %s gpio fail:%d\n",
 358                                                 child->name, ret);
 359                                 }
 360
 361                         } else {
 362                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 363                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 364                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 365                                                               &(pwr_ctr->pwr_ctr.rgl_name));
 366                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 367                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 368                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 369                                         pwr_ctr->pwr_ctr.volt = val;
 370                                 else
 371                                         pwr_ctr->pwr_ctr.volt = 0;
 372                         }
 373                 };
 374
 375                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 376                         pwr_ctr->pwr_ctr.delay = val;
 377                 else
 378                         pwr_ctr->pwr_ctr.delay = 0;
 379                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 380         }
 381
 382         of_property_read_u32(root, "rockchip,debug", &debug);
 383
 384         if (debug) {
 385                 list_for_each(pos, &dev_drv->pwrlist_head) {
 386                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 387                                              list);
 388                         pr_info("pwr_ctr_name:%s\n"
 389                                 "pwr_type:%s\n"
 390                                 "gpio:%d\n"
 391                                 "atv_val:%d\n"
 392                                 "delay:%d\n\n",
 393                                 pwr_ctr->pwr_ctr.name,
 394                                 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 395                                 pwr_ctr->pwr_ctr.gpio,
 396                                 pwr_ctr->pwr_ctr.atv_val,
 397                                 pwr_ctr->pwr_ctr.delay);
 398                 }
 399         }
 400
 401         return 0;
 402 }
 403
 404 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 405 {
 406         struct list_head *pos;
 407         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 408         struct pwr_ctr *pwr_ctr;
 409         struct regulator *regulator_lcd = NULL;
 410         int count = 10;
 411
 412         if (list_empty(&dev_drv->pwrlist_head))
 413                 return 0;
 414         list_for_each(pos, &dev_drv->pwrlist_head) {
 415                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 416                                           list);
 417                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 418                 if (pwr_ctr->type == GPIO) {
 419                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 420                         mdelay(pwr_ctr->delay);
 421                 } else if (pwr_ctr->type == REGULATOR) {
 422                         if (pwr_ctr->rgl_name)
 423                                 regulator_lcd =
 424                                         regulator_get(NULL, pwr_ctr->rgl_name);
 425                         if (regulator_lcd == NULL) {
 426                                 dev_err(dev_drv->dev,
 427                                         "%s: regulator get failed,regulator name:%s\n",
 428                                         __func__, pwr_ctr->rgl_name);
 429                                 continue;
 430                         }
 431                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 432                         while (!regulator_is_enabled(regulator_lcd)) {
 433                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 434                                         break;
 435                                 else
 436                                         dev_err(dev_drv->dev,
 437                                                 "regulator_enable failed,count=%d\n",
 438                                                 count);
 439                                 count--;
 440                         }
 441                         regulator_put(regulator_lcd);
 442                         msleep(pwr_ctr->delay);
 443                 }
 444         }
 445
 446         return 0;
 447 }
 448
 449 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 450 {
 451         struct list_head *pos;
 452         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 453         struct pwr_ctr *pwr_ctr;
 454         struct regulator *regulator_lcd = NULL;
 455         int count = 10;
 456
 457         if (list_empty(&dev_drv->pwrlist_head))
 458                 return 0;
 459         list_for_each(pos, &dev_drv->pwrlist_head) {
 460                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 461                                           list);
 462                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 463                 if (pwr_ctr->type == GPIO) {
 464                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 465                 } else if (pwr_ctr->type == REGULATOR) {
 466                         if (pwr_ctr->rgl_name)
 467                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 468                         if (regulator_lcd == NULL) {
 469                                 dev_err(dev_drv->dev,
 470                                         "%s: regulator get failed,regulator name:%s\n",
 471                                         __func__, pwr_ctr->rgl_name);
 472                                 continue;
 473                         }
 474                         while (regulator_is_enabled(regulator_lcd) > 0) {
 475                                 if (regulator_disable(regulator_lcd) == 0 ||
 476                                     count == 0)
 477                                         break;
 478                                 else
 479                                         dev_err(dev_drv->dev,
 480                                                 "regulator_disable failed,count=%d\n",
 481                                                 count);
 482                                 count--;
 483                         }
 484                         regulator_put(regulator_lcd);
 485                 }
 486         }
 487         return 0;
 488 }
 489
 490 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 491                                  struct rk_screen *screen)
 492 {
 493         screen->mode.pixclock = dt->pixelclock.typ;
 494         screen->mode.left_margin = dt->hback_porch.typ;
 495         screen->mode.right_margin = dt->hfront_porch.typ;
 496         screen->mode.xres = dt->hactive.typ;
 497         screen->mode.hsync_len = dt->hsync_len.typ;
 498         screen->mode.upper_margin = dt->vback_porch.typ;
 499         screen->mode.lower_margin = dt->vfront_porch.typ;
 500         screen->mode.yres = dt->vactive.typ;
 501         screen->mode.vsync_len = dt->vsync_len.typ;
 502         screen->type = dt->screen_type;
 503         screen->refresh_mode = dt->refresh_mode;
 504         screen->lvds_format = dt->lvds_format;
 505         screen->face = dt->face;
 506         screen->color_mode = dt->color_mode;
 507         screen->width = dt->screen_widt;
 508         screen->height = dt->screen_hight;
 509         screen->dsp_lut = dt->dsp_lut;
 510         screen->cabc_lut = dt->cabc_lut;
 511         screen->cabc_gamma_base = dt->cabc_gamma_base;
 512
 513         if (dt->flags & DISPLAY_FLAGS_INTERLACED)
 514                 screen->mode.vmode |= FB_VMODE_INTERLACED;
 515         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 516                 screen->pin_dclk = 1;
 517         else
 518                 screen->pin_dclk = 0;
 519         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 520                 screen->pin_hsync = 1;
 521         else
 522                 screen->pin_hsync = 0;
 523         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 524                 screen->pin_vsync = 1;
 525         else
 526                 screen->pin_vsync = 0;
 527         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 528                 screen->pin_den = 1;
 529         else
 530                 screen->pin_den = 0;
 531
 532         return 0;
 533 }
 534
 535 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 536 {
 537         struct display_timings *disp_timing;
 538         struct display_timing *dt;
 539
 540         disp_timing = of_get_display_timings(np);
 541         if (!disp_timing) {
 542                 pr_err("parse display timing err\n");
 543                 return -EINVAL;
 544         }
 545         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 546         rk_fb_video_mode_from_timing(dt, screen);
 547
 548         return 0;
 549 }
 550
 551 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 552 {
 553         int x, y;
 554         unsigned long long hz;
 555
 556         if (!screen) {
 557                 pr_err("%s:null screen!\n", __func__);
 558                 return 0;
 559         }
 560         x = screen->mode.xres + screen->mode.left_margin +
 561             screen->mode.right_margin + screen->mode.hsync_len;
 562         y = screen->mode.yres + screen->mode.upper_margin +
 563             screen->mode.lower_margin + screen->mode.vsync_len;
 564
 565         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 566
 567         hz += (x * y) / 2;
 568         do_div(hz, x * y);      /* divide by x * y with rounding */
 569
 570         hz += pixclock / 2;
 571         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 572
 573         return hz;
 574 }
 575
 576 char *get_format_string(enum data_format format, char *fmt)
 577 {
 578         if (!fmt)
 579                 return NULL;
 580         switch (format) {
 581         case ARGB888:
 582                 strcpy(fmt, "ARGB888");
 583                 break;
 584         case RGB888:
 585                 strcpy(fmt, "RGB888");
 586                 break;
 587         case BGR888:
 588                 strcpy(fmt, "BGR888");
 589                 break;
 590         case RGB565:
 591                 strcpy(fmt, "RGB565");
 592                 break;
 593         case BGR565:
 594                 strcpy(fmt, "BGR565");
 595                 break;
 596         case YUV420:
 597         case YUV420_NV21:
 598                 strcpy(fmt, "YUV420");
 599                 break;
 600         case YUV422:
 601                 strcpy(fmt, "YUV422");
 602                 break;
 603         case YUV444:
 604                 strcpy(fmt, "YUV444");
 605                 break;
 606         case YUV420_A:
 607                 strcpy(fmt, "YUV420_A");
 608                 break;
 609         case YUV422_A:
 610                 strcpy(fmt, "YUV422_A");
 611                 break;
 612         case YUV444_A:
 613                 strcpy(fmt, "YUV444_A");
 614                 break;
 615         case XRGB888:
 616                 strcpy(fmt, "XRGB888");
 617                 break;
 618         case XBGR888:
 619                 strcpy(fmt, "XBGR888");
 620                 break;
 621         case ABGR888:
 622                 strcpy(fmt, "ABGR888");
 623                 break;
 624         case FBDC_RGB_565:
 625                 strcpy(fmt, "FBDC_RGB_565");
 626                 break;
 627         case FBDC_ARGB_888:
 628         case FBDC_ABGR_888:
 629                 strcpy(fmt, "FBDC_ARGB_888");
 630                 break;
 631         case FBDC_RGBX_888:
 632                 strcpy(fmt, "FBDC_RGBX_888");
 633                 break;
 634         case YUYV422:
 635                 strcpy(fmt, "YUYV422");
 636                 break;
 637         case YUYV420:
 638                 strcpy(fmt, "YUYV420");
 639                 break;
 640         case UYVY422:
 641                 strcpy(fmt, "UYVY422");
 642                 break;
 643         case UYVY420:
 644                 strcpy(fmt, "UYVY420");
 645                 break;
 646         default:
 647                 strcpy(fmt, "invalid");
 648                 break;
 649         }
 650
 651         return fmt;
 652 }
 653
 654 int rk_fb_set_vop_pwm(void)
 655 {
 656         int i = 0;
 657         struct rk_fb *inf = NULL;
 658         struct rk_lcdc_driver *dev_drv = NULL;
 659
 660         if (likely(fb_pdev))
 661                 inf = platform_get_drvdata(fb_pdev);
 662         else
 663                 return -1;
 664
 665         for (i = 0; i < inf->num_lcdc; i++) {
 666                 if (inf->lcdc_dev_drv[i]->cabc_mode == 1) {
 667                         dev_drv = inf->lcdc_dev_drv[i];
 668                         break;
 669                 }
 670         }
 671
 672         if (!dev_drv)
 673                 return -1;
 674
 675         mutex_lock(&dev_drv->win_config);
 676         if (dev_drv->ops->extern_func)
 677                 dev_drv->ops->extern_func(dev_drv, UPDATE_CABC_PWM);
 678         mutex_unlock(&dev_drv->win_config);
 679
 680         return 0;
 681 }
 682
 683 /*
 684  * this is for hdmi
 685  * name: lcdc device name ,lcdc0 , lcdc1
 686  */
 687 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 688 {
 689         struct rk_fb *inf = NULL;
 690         struct rk_lcdc_driver *dev_drv = NULL;
 691         int i = 0;
 692
 693         if (likely(fb_pdev))
 694                 inf = platform_get_drvdata(fb_pdev);
 695         else
 696                 return NULL;
 697
 698         for (i = 0; i < inf->num_lcdc; i++) {
 699                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 700                         dev_drv = inf->lcdc_dev_drv[i];
 701                         break;
 702                 }
 703         }
 704
 705         return dev_drv;
 706 }
 707
 708 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 709 {
 710         struct rk_fb *inf = NULL;
 711         struct rk_lcdc_driver *dev_drv = NULL;
 712         int i = 0;
 713
 714         if (likely(fb_pdev))
 715                 inf = platform_get_drvdata(fb_pdev);
 716         else
 717                 return NULL;
 718
 719         for (i = 0; i < inf->num_lcdc; i++) {
 720                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 721                         dev_drv = inf->lcdc_dev_drv[i];
 722                         break;
 723                 }
 724         }
 725
 726         return dev_drv;
 727 }
 728
 729 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 730 {
 731         struct rk_fb *inf = NULL;
 732         struct rk_lcdc_driver *dev_drv = NULL;
 733         int i = 0;
 734
 735         if (likely(fb_pdev))
 736                 inf = platform_get_drvdata(fb_pdev);
 737         else
 738                 return NULL;
 739
 740         for (i = 0; i < inf->num_lcdc; i++) {
 741                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 742                         dev_drv = inf->lcdc_dev_drv[i];
 743                         break;
 744                 }
 745         }
 746
 747         return dev_drv;
 748 }
 749
 750 /*
 751  * get one frame time of the prmry screen, unit: us
 752  */
 753 u32 rk_fb_get_prmry_screen_ft(void)
 754 {
 755         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 756         u32 htotal, vtotal, pixclock_ps;
 757         u64 pix_total, ft_us;
 758
 759         if (unlikely(!dev_drv))
 760                 return 0;
 761
 762         pixclock_ps = dev_drv->pixclock;
 763
 764         vtotal = dev_drv->cur_screen->mode.upper_margin +
 765                  dev_drv->cur_screen->mode.lower_margin +
 766                  dev_drv->cur_screen->mode.yres +
 767                  dev_drv->cur_screen->mode.vsync_len;
 768         htotal = dev_drv->cur_screen->mode.left_margin +
 769                  dev_drv->cur_screen->mode.right_margin +
 770                  dev_drv->cur_screen->mode.xres +
 771                  dev_drv->cur_screen->mode.hsync_len;
 772         pix_total = htotal * vtotal;
 773         ft_us = pix_total * pixclock_ps;
 774         do_div(ft_us, 1000000);
 775         if (dev_drv->frame_time.ft == 0)
 776                 dev_drv->frame_time.ft = ft_us;
 777
 778         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 779         do_div(ft_us, 1000);
 780         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 781         if (ft_us != 0)
 782                 dev_drv->frame_time.ft = ft_us;
 783
 784         return dev_drv->frame_time.ft;
 785 }
 786
 787 /*
 788  * get the vblanking time of the prmry screen, unit: us
 789  */
 790 u32 rk_fb_get_prmry_screen_vbt(void)
 791 {
 792         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 793         u32 htotal, vblank, pixclock_ps;
 794         u64 pix_blank, vbt_us;
 795
 796         if (unlikely(!dev_drv))
 797                 return 0;
 798
 799         pixclock_ps = dev_drv->pixclock;
 800
 801         htotal = (dev_drv->cur_screen->mode.left_margin +
 802                   dev_drv->cur_screen->mode.right_margin +
 803                   dev_drv->cur_screen->mode.xres +
 804                   dev_drv->cur_screen->mode.hsync_len);
 805         vblank = (dev_drv->cur_screen->mode.upper_margin +
 806                   dev_drv->cur_screen->mode.lower_margin +
 807                   dev_drv->cur_screen->mode.vsync_len);
 808         pix_blank = htotal * vblank;
 809         vbt_us = pix_blank * pixclock_ps;
 810         do_div(vbt_us, 1000000);
 811         return (u32)vbt_us;
 812 }
 813
 814 /*
 815  * get the frame done time of the prmry screen, unit: us
 816  */
 817 u64 rk_fb_get_prmry_screen_framedone_t(void)
 818 {
 819         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 820
 821         if (unlikely(!dev_drv))
 822                 return 0;
 823         else
 824                 return dev_drv->frame_time.framedone_t;
 825 }
 826
 827 /*
 828  * set prmry screen status
 829  */
 830 int rk_fb_set_prmry_screen_status(int status)
 831 {
 832         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 833         struct rk_screen *screen;
 834
 835         if (unlikely(!dev_drv))
 836                 return 0;
 837
 838         screen = dev_drv->cur_screen;
 839         switch (status) {
 840         case SCREEN_PREPARE_DDR_CHANGE:
 841                 if (screen->type == SCREEN_MIPI ||
 842                     screen->type == SCREEN_DUAL_MIPI) {
 843                         if (dev_drv->trsm_ops->dsp_pwr_off)
 844                                 dev_drv->trsm_ops->dsp_pwr_off();
 845                 }
 846                 break;
 847         case SCREEN_UNPREPARE_DDR_CHANGE:
 848                 if (screen->type == SCREEN_MIPI ||
 849                     screen->type == SCREEN_DUAL_MIPI) {
 850                         if (dev_drv->trsm_ops->dsp_pwr_on)
 851                                 dev_drv->trsm_ops->dsp_pwr_on();
 852                 }
 853                 break;
 854         default:
 855                 break;
 856         }
 857
 858         return 0;
 859 }
 860
 861 u32 rk_fb_get_prmry_screen_pixclock(void)
 862 {
 863         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 864
 865         if (unlikely(!dev_drv))
 866                 return 0;
 867         else
 868                 return dev_drv->pixclock;
 869 }
 870
 871 int rk_fb_poll_prmry_screen_vblank(void)
 872 {
 873         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 874
 875         if (likely(dev_drv)) {
 876                 if (dev_drv->ops->poll_vblank)
 877                         return dev_drv->ops->poll_vblank(dev_drv);
 878                 else
 879                         return RK_LF_STATUS_NC;
 880         } else {
 881                 return RK_LF_STATUS_NC;
 882         }
 883 }
 884
 885 bool rk_fb_poll_wait_frame_complete(void)
 886 {
 887         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 888         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 889
 890         if (likely(dev_drv)) {
 891                 if (dev_drv->ops->set_irq_to_cpu)
 892                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 893         }
 894
 895         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 896                 if (likely(dev_drv)) {
 897                         if (dev_drv->ops->set_irq_to_cpu)
 898                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 899                 }
 900                 return false;
 901         }
 902         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 903                 ;
 904         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 905                 ;
 906         if (likely(dev_drv)) {
 907                 if (dev_drv->ops->set_irq_to_cpu)
 908                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 909         }
 910
 911         return true;
 912 }
 913
 914 /* rk_fb_get_sysmmu_device_by_compatible()
 915  * @compt: dts device compatible name
 916  * return value: success: pointer to the device inside of platform device
 917  *               fail: NULL
 918  */
 919 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 920 {
 921         struct device_node *dn = NULL;
 922         struct platform_device *pd = NULL;
 923         struct device *ret = NULL ;
 924
 925         dn = of_find_compatible_node(NULL, NULL, compt);
 926         if (!dn) {
 927                 pr_info("can't find device node %s \r\n", compt);
 928                 return NULL;
 929         }
 930
 931         pd = of_find_device_by_node(dn);
 932         if (!pd) {
 933                 pr_info("can't find platform device node %s \r\n", compt);
 934                 return  NULL;
 935         }
 936         ret = &pd->dev;
 937
 938         return ret;
 939 }
 940
 941 #ifdef CONFIG_IOMMU_API
 942 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 943 {
 944         dev->archdata.iommu = sysmmu;
 945 }
 946 #else
 947 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 948 {
 949 }
 950 #endif
 951
 952 static int rk_fb_open(struct fb_info *info, int user)
 953 {
 954         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 955         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 956         int win_id;
 957
 958         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 959         fb_par->state++;
 960         /* if this win aready opened ,no need to reopen */
 961         if (dev_drv->win[win_id]->state)
 962                 return 0;
 963         else
 964                 dev_drv->ops->open(dev_drv, win_id, 1);
 965         return 0;
 966 }
 967
 968 static int rk_fb_close(struct fb_info *info, int user)
 969 {
 970         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 971         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 972         struct rk_lcdc_win *win = NULL;
 973         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 974
 975         if (win_id >= 0) {
 976                 win = dev_drv->win[win_id];
 977                 if (fb_par->state)
 978                         fb_par->state--;
 979                 if (!fb_par->state) {
 980                         if (fb_par->fb_phy_base > 0)
 981                                 info->fix.smem_start = fb_par->fb_phy_base;
 982                         info->var.xres = dev_drv->screen0->mode.xres;
 983                         info->var.yres = dev_drv->screen0->mode.yres;
 984                         /*
 985                          *info->var.grayscale |=
 986                          *   (info->var.xres << 8) + (info->var.yres << 20);
 987                          */
 988                         info->var.xres_virtual = info->var.xres;
 989                         info->var.yres_virtual = info->var.yres;
 990 #if defined(CONFIG_LOGO_LINUX_BMP)
 991                         info->var.bits_per_pixel = 32;
 992 #else
 993                         info->var.bits_per_pixel = 16;
 994 #endif
 995                         info->fix.line_length =
 996                             (info->var.xres_virtual) *
 997                             (info->var.bits_per_pixel >> 3);
 998                         info->var.width = dev_drv->screen0->width;
 999                         info->var.height = dev_drv->screen0->height;
1000                         info->var.pixclock = dev_drv->pixclock;
1001                         info->var.left_margin =
1002                                 dev_drv->screen0->mode.left_margin;
1003                         info->var.right_margin =
1004                                 dev_drv->screen0->mode.right_margin;
1005                         info->var.upper_margin =
1006                                 dev_drv->screen0->mode.upper_margin;
1007                         info->var.lower_margin =
1008                                 dev_drv->screen0->mode.lower_margin;
1009                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
1010                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
1011                 }
1012         }
1013
1014         return 0;
1015 }
1016
1017 #if defined(FB_ROATE_BY_KERNEL)
1018
1019 #if defined(CONFIG_RK29_IPP)
1020 static int get_ipp_format(int fmt)
1021 {
1022         int ipp_fmt = IPP_XRGB_8888;
1023
1024         switch (fmt) {
1025         case HAL_PIXEL_FORMAT_RGBX_8888:
1026         case HAL_PIXEL_FORMAT_BGRX_8888:
1027         case HAL_PIXEL_FORMAT_RGBA_8888:
1028         case HAL_PIXEL_FORMAT_BGRA_8888:
1029         case HAL_PIXEL_FORMAT_RGB_888:
1030         case HAL_PIXEL_FORMAT_BGR_888:
1031                 ipp_fmt = IPP_XRGB_8888;
1032                 break;
1033         case HAL_PIXEL_FORMAT_RGB_565:
1034         case HAL_PIXEL_FORMAT_BGR_565:
1035                 ipp_fmt = IPP_RGB_565;
1036                 break;
1037         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1038                 ipp_fmt = IPP_Y_CBCR_H2V1;
1039                 break;
1040         case HAL_PIXEL_FORMAT_YCrCb_NV12:
1041                 ipp_fmt = IPP_Y_CBCR_H2V2;
1042                 break;
1043         case HAL_PIXEL_FORMAT_YCrCb_444:
1044                 ipp_fmt = IPP_Y_CBCR_H1V1;
1045                 break;
1046         default:
1047                 ipp_fmt = IPP_IMGTYPE_LIMIT;
1048                 break;
1049         }
1050
1051         return ipp_fmt;
1052 }
1053
1054 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1055                           int rotation, int fmt)
1056 {
1057         int align16 = 2;
1058         int align64 = 8;
1059
1060         if (fmt == IPP_XRGB_8888) {
1061                 align16 = 1;
1062                 align64 = 2;
1063         } else if (fmt == IPP_RGB_565) {
1064                 align16 = 1;
1065                 align64 = 4;
1066         } else {
1067                 align16 = 2;
1068                 align64 = 8;
1069         }
1070         align16 -= 1;           /*for YUV, 1 */
1071         align64 -= 1;           /*for YUV, 7 */
1072
1073         if (rotation == IPP_ROT_0) {
1074                 if (fmt > IPP_RGB_565) {
1075                         if ((*dst_w & 1) != 0)
1076                                 *dst_w = *dst_w + 1;
1077                         if ((*dst_h & 1) != 0)
1078                                 *dst_h = *dst_h + 1;
1079                         if (*dst_vir_w < *dst_w)
1080                                 *dst_vir_w = *dst_w;
1081                 }
1082         } else {
1083                 if ((*dst_w & align64) != 0)
1084                         *dst_w = (*dst_w + align64) & (~align64);
1085                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1086                         *dst_h = *dst_h + 1;
1087                 if (*dst_vir_w < *dst_w)
1088                         *dst_vir_w = *dst_w;
1089         }
1090 }
1091
1092 static void fb_copy_by_ipp(struct fb_info *dst_info,
1093                            struct fb_info *src_info)
1094 {
1095         struct rk29_ipp_req ipp_req;
1096         uint32_t rotation = 0;
1097         int dst_w, dst_h, dst_vir_w;
1098         int ipp_fmt;
1099         u8 data_format = (dst_info->var.nonstd) & 0xff;
1100         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1101         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1102         u16 orientation = ext_dev_drv->rotate_mode;
1103
1104         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1105
1106         switch (orientation) {
1107         case 0:
1108                 rotation = IPP_ROT_0;
1109                 break;
1110         case ROTATE_90:
1111                 rotation = IPP_ROT_90;
1112                 break;
1113         case ROTATE_180:
1114                 rotation = IPP_ROT_180;
1115                 break;
1116         case ROTATE_270:
1117                 rotation = IPP_ROT_270;
1118                 break;
1119         default:
1120                 rotation = IPP_ROT_270;
1121                 break;
1122         }
1123
1124         dst_w = dst_info->var.xres;
1125         dst_h = dst_info->var.yres;
1126         dst_vir_w = dst_info->var.xres_virtual;
1127         ipp_fmt = get_ipp_format(data_format);
1128         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1129         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1130         ipp_req.src0.w = src_info->var.xres;
1131         ipp_req.src0.h = src_info->var.yres;
1132         ipp_req.src_vir_w = src_info->var.xres_virtual;
1133         ipp_req.src0.fmt = ipp_fmt;
1134
1135         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1136         ipp_req.dst0.w = dst_w;
1137         ipp_req.dst0.h = dst_h;
1138         ipp_req.dst_vir_w = dst_vir_w;
1139         ipp_req.dst0.fmt = ipp_fmt;
1140
1141         ipp_req.timeout = 100;
1142         ipp_req.flag = rotation;
1143         ipp_blit_sync(&ipp_req);
1144 }
1145
1146 #endif
1147
1148 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1149 static int get_rga_format(int fmt)
1150 {
1151         int rga_fmt = 0;
1152
1153         switch (fmt) {
1154         case XBGR888:
1155                 rga_fmt = RK_FORMAT_RGBX_8888;
1156                 break;
1157         case ABGR888:
1158                 rga_fmt = RK_FORMAT_RGBA_8888;
1159                 break;
1160         case ARGB888:
1161                 rga_fmt = RK_FORMAT_BGRA_8888;
1162                 break;
1163         case RGB888:
1164                 rga_fmt = RK_FORMAT_RGB_888;
1165                 break;
1166         case RGB565:
1167                 rga_fmt = RK_FORMAT_RGB_565;
1168                 break;
1169         case YUV422:
1170                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1171                 break;
1172         case YUV420:
1173                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1174                 break;
1175         default:
1176                 rga_fmt = RK_FORMAT_RGBA_8888;
1177                 break;
1178         }
1179
1180         return rga_fmt;
1181 }
1182
1183 static void rga_win_check(struct rk_lcdc_win *dst_win,
1184                           struct rk_lcdc_win *src_win)
1185 {
1186         int format = 0;
1187
1188         format = get_rga_format(src_win->area[0].format);
1189         /* width and height must be even number */
1190         if (format >= RK_FORMAT_YCbCr_422_SP &&
1191             format <= RK_FORMAT_YCrCb_420_P) {
1192                 if ((src_win->area[0].xact % 2) != 0)
1193                         src_win->area[0].xact += 1;
1194                 if ((src_win->area[0].yact % 2) != 0)
1195                         src_win->area[0].yact += 1;
1196         }
1197         if (src_win->area[0].xvir < src_win->area[0].xact)
1198                 src_win->area[0].xvir = src_win->area[0].xact;
1199         if (src_win->area[0].yvir < src_win->area[0].yact)
1200                 src_win->area[0].yvir = src_win->area[0].yact;
1201
1202         format = get_rga_format(dst_win->area[0].format);
1203         if (format >= RK_FORMAT_YCbCr_422_SP &&
1204             format <= RK_FORMAT_YCrCb_420_P) {
1205                 if ((dst_win->area[0].xact % 2) != 0)
1206                         dst_win->area[0].xact += 1;
1207                 if ((dst_win->area[0].yact % 2) != 0)
1208                         dst_win->area[0].yact += 1;
1209         }
1210         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1211                 dst_win->area[0].xvir = dst_win->area[0].xact;
1212         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1213                 dst_win->area[0].yvir = dst_win->area[0].yact;
1214 }
1215
1216 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1217                             struct rk_lcdc_win *src_win,
1218                             u16 orientation, int iommu_en)
1219 {
1220         struct rga_req rga_request;
1221         long ret = 0;
1222         /* int fd = 0; */
1223
1224         memset(&rga_request, 0, sizeof(rga_request));
1225         rga_win_check(dst_win, src_win);
1226
1227         switch (orientation) {
1228         case ROTATE_90:
1229                 rga_request.rotate_mode = 1;
1230                 rga_request.sina = 65536;
1231                 rga_request.cosa = 0;
1232                 rga_request.dst.act_w = dst_win->area[0].yact;
1233                 rga_request.dst.act_h = dst_win->area[0].xact;
1234                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1235                 rga_request.dst.y_offset = 0;
1236                 break;
1237         case ROTATE_180:
1238                 rga_request.rotate_mode = 1;
1239                 rga_request.sina = 0;
1240                 rga_request.cosa = -65536;
1241                 rga_request.dst.act_w = dst_win->area[0].xact;
1242                 rga_request.dst.act_h = dst_win->area[0].yact;
1243                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1244                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1245                 break;
1246         case ROTATE_270:
1247                 rga_request.rotate_mode = 1;
1248                 rga_request.sina = -65536;
1249                 rga_request.cosa = 0;
1250                 rga_request.dst.act_w = dst_win->area[0].yact;
1251                 rga_request.dst.act_h = dst_win->area[0].xact;
1252                 rga_request.dst.x_offset = 0;
1253                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1254                 break;
1255         default:
1256                 rga_request.rotate_mode = 0;
1257                 rga_request.dst.act_w = dst_win->area[0].xact;
1258                 rga_request.dst.act_h = dst_win->area[0].yact;
1259                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1260                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1261                 break;
1262         }
1263
1264         /*
1265          * fd =
1266          *    ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1267          * rga_request.src.yrgb_addr = fd;
1268          * fd =
1269          *    ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1270          * rga_request.dst.yrgb_addr = fd;
1271          */
1272         rga_request.src.yrgb_addr = 0;
1273         rga_request.src.uv_addr =
1274             src_win->area[0].smem_start + src_win->area[0].y_offset;
1275         rga_request.src.v_addr = 0;
1276
1277         rga_request.dst.yrgb_addr = 0;
1278         rga_request.dst.uv_addr =
1279             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1280         rga_request.dst.v_addr = 0;
1281
1282         rga_request.src.vir_w = src_win->area[0].xvir;
1283         rga_request.src.vir_h = src_win->area[0].yvir;
1284         rga_request.src.format = get_rga_format(src_win->area[0].format);
1285         rga_request.src.act_w = src_win->area[0].xact;
1286         rga_request.src.act_h = src_win->area[0].yact;
1287         rga_request.src.x_offset = 0;
1288         rga_request.src.y_offset = 0;
1289
1290         rga_request.dst.vir_w = dst_win->area[0].xvir;
1291         rga_request.dst.vir_h = dst_win->area[0].yvir;
1292         rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1293
1294         rga_request.clip.xmin = 0;
1295         rga_request.clip.xmax = dst_win->area[0].xact - 1;
1296         rga_request.clip.ymin = 0;
1297         rga_request.clip.ymax = dst_win->area[0].yact - 1;
1298         rga_request.scale_mode = 0;
1299
1300         if (iommu_en) {
1301                 rga_request.mmu_info.mmu_en = 1;
1302                 rga_request.mmu_info.mmu_flag = 1;
1303         } else {
1304                 rga_request.mmu_info.mmu_en = 0;
1305                 rga_request.mmu_info.mmu_flag = 0;
1306         }
1307
1308         ret = rga_ioctl_kernel(&rga_request);
1309 }
1310
1311 /*
1312  * This function is used for copying fb by RGA Module
1313  * RGA only support copy RGB to RGB
1314  * RGA2 support copy RGB to RGB and YUV to YUV
1315  */
1316 static void fb_copy_by_rga(struct fb_info *dst_info,
1317                            struct fb_info *src_info)
1318 {
1319         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1320         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1321         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1322         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1323         int win_id = 0, ext_win_id;
1324         struct rk_lcdc_win *src_win, *dst_win;
1325
1326         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1327         src_win = dev_drv->win[win_id];
1328
1329         ext_win_id =
1330             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1331         dst_win = ext_dev_drv->win[ext_win_id];
1332
1333         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1334                         ext_dev_drv->iommu_enabled);
1335 }
1336 #endif
1337
1338 static int rk_fb_rotate(struct fb_info *dst_info,
1339                         struct fb_info *src_info)
1340 {
1341 #if defined(CONFIG_RK29_IPP)
1342         fb_copy_by_ipp(dst_info, src_info);
1343 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1344         fb_copy_by_rga(dst_info, src_info);
1345 #else
1346         return -1;
1347 #endif
1348         return 0;
1349 }
1350
1351 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1352                                            struct rk_lcdc_win *src_win,
1353                                            u16 rotate, int iommu_en)
1354 {
1355 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1356         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1357 #else
1358         return -1;
1359 #endif
1360         return 0;
1361 }
1362
1363 #endif
1364
1365 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1366                              struct fb_info *info)
1367 {
1368         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1369         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1370         struct fb_fix_screeninfo *fix = &info->fix;
1371         int win_id = 0;
1372         struct rk_lcdc_win *win = NULL;
1373         struct rk_screen *screen = dev_drv->cur_screen;
1374         u32 xoffset = var->xoffset;
1375         u32 yoffset = var->yoffset;
1376         u32 xvir = var->xres_virtual;
1377         u8 pixel_width;
1378         u32 vir_width_bit;
1379         u32 stride, uv_stride;
1380         u32 stride_32bit_1;
1381         u32 stride_32bit_2;
1382         u16 uv_x_off, uv_y_off, uv_y_act;
1383         u8 is_pic_yuv = 0;
1384
1385         if (dev_drv->suspend_flag || is_car_camcap())
1386                 return 0;
1387         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1388         if (win_id < 0)
1389                 return -ENODEV;
1390         else
1391                 win = dev_drv->win[win_id];
1392
1393         pixel_width = rk_fb_pixel_width(win->area[0].format);
1394         vir_width_bit = pixel_width * xvir;
1395         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1396         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1397
1398         switch (win->area[0].format) {
1399         case YUV422:
1400         case YUV422_A:
1401                 is_pic_yuv = 1;
1402                 stride = stride_32bit_1;
1403                 uv_stride = stride_32bit_1;
1404                 uv_x_off = xoffset;
1405                 uv_y_off = yoffset;
1406                 fix->line_length = stride;
1407                 uv_y_act = win->area[0].yact >> 1;
1408                 break;
1409         case YUV420:            /* nv12 */
1410         case YUV420_NV21:       /* nv21 */
1411         case YUV420_A:
1412                 is_pic_yuv = 1;
1413                 stride = stride_32bit_1;
1414                 uv_stride = stride_32bit_1;
1415                 uv_x_off = xoffset;
1416                 uv_y_off = yoffset >> 1;
1417                 fix->line_length = stride;
1418                 uv_y_act = win->area[0].yact >> 1;
1419                 break;
1420         case YUV444:
1421         case YUV444_A:
1422                 is_pic_yuv = 1;
1423                 stride = stride_32bit_1;
1424                 uv_stride = stride_32bit_2;
1425                 uv_x_off = xoffset * 2;
1426                 uv_y_off = yoffset;
1427                 fix->line_length = stride << 2;
1428                 uv_y_act = win->area[0].yact;
1429                 break;
1430         default:
1431                 stride = stride_32bit_1;        /* default rgb */
1432                 fix->line_length = stride;
1433                 break;
1434         }
1435
1436         /* x y mirror ,jump line */
1437         if ((screen->y_mirror == 1) ||
1438             (win->xmirror && win->ymirror)) {
1439                 if (screen->interlace == 1) {
1440                         win->area[0].y_offset = yoffset * stride * 2 +
1441                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1442                             xoffset * pixel_width / 8;
1443                 } else {
1444                         win->area[0].y_offset = yoffset * stride +
1445                             (win->area[0].yact - 1) * stride +
1446                             xoffset * pixel_width / 8;
1447                 }
1448         } else {
1449                 if (screen->interlace == 1) {
1450                         win->area[0].y_offset =
1451                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1452                 } else {
1453                         win->area[0].y_offset =
1454                             yoffset * stride + xoffset * pixel_width / 8;
1455                 }
1456         }
1457         if (is_pic_yuv == 1) {
1458                 if ((screen->y_mirror == 1) ||
1459                     (win->xmirror && win->ymirror)) {
1460                         if (screen->interlace == 1) {
1461                                 win->area[0].c_offset =
1462                                     uv_y_off * uv_stride * 2 +
1463                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1464                                     uv_x_off * pixel_width / 8;
1465                         } else {
1466                                 win->area[0].c_offset = uv_y_off * uv_stride +
1467                                     (uv_y_act - 1) * uv_stride +
1468                                     uv_x_off * pixel_width / 8;
1469                         }
1470                 } else {
1471                         if (screen->interlace == 1) {
1472                                 win->area[0].c_offset =
1473                                     uv_y_off * uv_stride * 2 +
1474                                     uv_x_off * pixel_width / 8;
1475                         } else {
1476                                 win->area[0].c_offset =
1477                                     uv_y_off * uv_stride +
1478                                     uv_x_off * pixel_width / 8;
1479                         }
1480                 }
1481         }
1482
1483         win->area[0].smem_start = fix->smem_start;
1484         win->area[0].cbr_start = fix->mmio_start;
1485         win->area[0].state = 1;
1486         win->area_num = 1;
1487
1488         dev_drv->ops->pan_display(dev_drv, win_id);
1489
1490 #ifdef  CONFIG_FB_MIRRORING
1491         if (video_data_to_mirroring)
1492                 video_data_to_mirroring(info, NULL);
1493 #endif
1494         /* if not want the config effect,set reserved[3] bit[0] 1 */
1495         if (likely((var->reserved[3] & 0x1) == 0))
1496                 dev_drv->ops->cfg_done(dev_drv);
1497         if (dev_drv->hdmi_switch)
1498                 mdelay(100);
1499         return 0;
1500 }
1501
1502 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1503 {
1504         int i, j;
1505
1506         i = list_empty(&dev_drv->update_regs_list);
1507         j = list_empty(&dev_drv->saved_list);
1508         return i == j ? 0 : 1;
1509 }
1510
1511 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1512 {
1513         int err = sync_fence_wait(fence, 1000);
1514
1515         if (err >= 0)
1516                 return;
1517
1518         if (err == -ETIME)
1519                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1520
1521         if (err < 0)
1522                 pr_info("error waiting on fence\n");
1523 }
1524 #if 0
1525 static int rk_fb_copy_from_loader(struct fb_info *info)
1526 {
1527         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1528         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1529         void *dst = info->screen_base;
1530         u32 dsp_addr[4];
1531         u32 src;
1532         u32 i, size;
1533         int win_id;
1534         struct rk_lcdc_win *win;
1535
1536         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1537         win = dev_drv->win[win_id];
1538         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1539         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1540         src = dsp_addr[win_id];
1541         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1542                  win->area[0].xact, win->area[0].yact, src);
1543         for (i = 0; i < size; i += PAGE_SIZE) {
1544                 void *page = phys_to_page(i + src);
1545                 void *from_virt = kmap(page);
1546                 void *to_virt = dst + i;
1547
1548                 memcpy(to_virt, from_virt, PAGE_SIZE);
1549         }
1550         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1551                                       info->fix.smem_start);
1552         return 0;
1553 }
1554 #endif
1555 static int g_last_addr[5][4];
1556 static int g_now_config_addr[5][4];
1557 static int g_last_state[5][4];
1558 static int g_now_config_state[5][4];
1559 int g_last_timeout;
1560 u32 freed_addr[10];
1561 u32 freed_index;
1562
1563 #define DUMP_CHUNK 256
1564 char buf[PAGE_SIZE];
1565
1566 int rk_fb_sysmmu_fault_handler(struct device *dev,
1567                                enum rk_iommu_inttype itype,
1568                                unsigned long pgtable_base,
1569                                unsigned long fault_addr, unsigned int status)
1570 {
1571         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1572         int i = 0, j = 0;
1573         static int page_fault_cnt;
1574
1575         if ((page_fault_cnt++) >= 10)
1576                 return 0;
1577         pr_err
1578             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1579              fault_addr, pgtable_base, status);
1580         pr_info("last config addr:\n");
1581         for (i = 0; i < 4; i++) {
1582                 for (j = 0; j < 4; j++)
1583                         pr_info("win[%d],area[%d] = 0x%08x\n",
1584                                 i, j, g_last_addr[i][j]);
1585         }
1586         pr_info("last freed buffer:\n");
1587         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1588                 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1589         pr_info("last timeout:%d\n", g_last_timeout);
1590         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1591         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1592                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1593                         char c = buf[i + DUMP_CHUNK];
1594
1595                         buf[i + DUMP_CHUNK] = 0;
1596                         pr_cont("%s", buf + i);
1597                         buf[i + DUMP_CHUNK] = c;
1598                 } else {
1599                         buf[PAGE_SIZE - 1] = 0;
1600                         pr_cont("%s", buf + i);
1601                 }
1602         }
1603
1604         return 0;
1605 }
1606
1607 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1608                        struct rk_fb_reg_wb_data *wb_data)
1609 {
1610         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1611
1612         if (dev_drv->iommu_enabled && wb_data->ion_handle)
1613                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1614                                 wb_data->ion_handle);
1615         if (wb_data->ion_handle)
1616                 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1617 }
1618
1619 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1620                         struct rk_fb_reg_win_data *reg_win_data)
1621 {
1622         int i, index_buf;
1623         struct rk_fb_reg_area_data *area_data;
1624         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1625
1626         for (i = 0; i < reg_win_data->area_num; i++) {
1627                 area_data = &reg_win_data->reg_area_data[i];
1628                 index_buf = area_data->index_buf;
1629                 if (dev_drv->iommu_enabled) {
1630                         if (area_data->ion_handle != NULL &&
1631                             !IS_YUV_FMT(area_data->data_format))
1632                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1633                                                 area_data->ion_handle);
1634                         freed_addr[freed_index++] = area_data->smem_start;
1635                 }
1636                 if (area_data->ion_handle != NULL)
1637                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1638
1639                 if (area_data->acq_fence)
1640                         sync_fence_put(area_data->acq_fence);
1641         }
1642 }
1643
1644 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1645                              struct rk_lcdc_win *win,
1646                              struct rk_fb_reg_win_data *reg_win_data)
1647 {
1648         int i = 0;
1649         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1650         struct rk_screen *cur_screen;
1651         struct rk_screen primary_screen;
1652
1653         if (unlikely(!inf) || unlikely(!dev_drv) ||
1654             unlikely(!win) || unlikely(!reg_win_data))
1655                 return;
1656
1657         cur_screen = dev_drv->cur_screen;
1658         rk_fb_get_prmry_screen(&primary_screen);
1659
1660         win->area_num = reg_win_data->area_num;
1661         win->id = reg_win_data->win_id;
1662         win->z_order = reg_win_data->z_order;
1663
1664         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1665                 win->state = 1;
1666                 win->area_num = reg_win_data->area_num;
1667                 win->id = reg_win_data->win_id;
1668                 win->z_order = reg_win_data->z_order;
1669                 win->area[0].uv_vir_stride =
1670                     reg_win_data->reg_area_data[0].uv_vir_stride;
1671                 win->area[0].cbr_start =
1672                     reg_win_data->reg_area_data[0].cbr_start;
1673                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1674                 win->alpha_en = reg_win_data->alpha_en;
1675                 win->alpha_mode = reg_win_data->alpha_mode;
1676                 win->g_alpha_val = reg_win_data->g_alpha_val;
1677                 /*
1678                  * reg_win_data mirror_en means that xmirror ymirror all
1679                  * enabled.
1680                  */
1681                 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1682                 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1683                 win->colorspace = reg_win_data->colorspace;
1684                 win->area[0].fbdc_en =
1685                         reg_win_data->reg_area_data[0].fbdc_en;
1686                 win->area[0].fbdc_cor_en =
1687                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1688                 win->area[0].fbdc_data_format =
1689                         reg_win_data->reg_area_data[0].fbdc_data_format;
1690                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1691                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1692                                 win->area[i].format =
1693                                         reg_win_data->reg_area_data[i].data_format;
1694                                 win->area[i].ion_hdl =
1695                                         reg_win_data->reg_area_data[i].ion_handle;
1696                                 win->area[i].smem_start =
1697                                         reg_win_data->reg_area_data[i].smem_start;
1698                                 if (inf->disp_mode == DUAL ||
1699                                     inf->disp_mode == DUAL_LCD ||
1700                                     inf->disp_mode == NO_DUAL) {
1701                                         win->area[i].xpos =
1702                                                 reg_win_data->reg_area_data[i].xpos;
1703                                         win->area[i].ypos =
1704                                                 reg_win_data->reg_area_data[i].ypos;
1705                                         win->area[i].xsize =
1706                                                 reg_win_data->reg_area_data[i].xsize;
1707                                         win->area[i].ysize =
1708                                                 reg_win_data->reg_area_data[i].ysize;
1709                                 } else {
1710                                         win->area[i].xpos =
1711                                                 reg_win_data->reg_area_data[i].xpos *
1712                                                 cur_screen->mode.xres /
1713                                                 primary_screen.mode.xres;
1714                                         win->area[i].ypos =
1715                                                 reg_win_data->reg_area_data[i].ypos *
1716                                                 cur_screen->mode.yres /
1717                                                 primary_screen.mode.yres;
1718                                         win->area[i].xsize =
1719                                                 reg_win_data->reg_area_data[i].xsize *
1720                                                 cur_screen->mode.xres /
1721                                                 primary_screen.mode.xres;
1722                                         win->area[i].ysize =
1723                                                 reg_win_data->reg_area_data[i].ysize *
1724                                                 cur_screen->mode.yres /
1725                                                 primary_screen.mode.yres;
1726
1727                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1728                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1729                                                 if (cur_screen->xsize > 0 &&
1730                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1731                                                         win->area[i].xpos =
1732                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1733                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1734                                                         win->area[i].xsize =
1735                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1736                                                 }
1737                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1738                                                         win->area[i].ypos =
1739                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1740                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1741                                                         win->area[i].ysize =
1742                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1743                                                 }
1744                                         }
1745                                 }
1746                                 win->area[i].xact =
1747                                     reg_win_data->reg_area_data[i].xact;
1748                                 win->area[i].yact =
1749                                     reg_win_data->reg_area_data[i].yact;
1750                                 win->area[i].xvir =
1751                                     reg_win_data->reg_area_data[i].xvir;
1752                                 win->area[i].yvir =
1753                                     reg_win_data->reg_area_data[i].yvir;
1754                                 win->area[i].xoff =
1755                                     reg_win_data->reg_area_data[i].xoff;
1756                                 win->area[i].yoff =
1757                                     reg_win_data->reg_area_data[i].yoff;
1758                                 win->area[i].y_offset =
1759                                     reg_win_data->reg_area_data[i].y_offset;
1760                                 win->area[i].y_vir_stride =
1761                                     reg_win_data->reg_area_data[i].y_vir_stride;
1762                                 win->area[i].state = 1;
1763                                 if (dev_drv->iommu_enabled) {
1764                                         g_now_config_addr[win->id][i] =
1765                                                 win->area[i].smem_start +
1766                                                 win->area[i].y_offset;
1767                                         g_now_config_state[win->id][i] = 1;
1768                                 }
1769                         } else {
1770                                 win->area[i].state = 0;
1771                                 win->area[i].fbdc_en = 0;
1772                                 if (dev_drv->iommu_enabled) {
1773                                         g_now_config_addr[win->id][i] = 0;
1774                                         g_now_config_state[win->id][i] = 0;
1775                                 }
1776                         }
1777                 }
1778         }
1779 }
1780
1781 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1782                                                      *regs, int win_id)
1783 {
1784         int i;
1785         struct rk_fb_reg_win_data *win_data = NULL;
1786
1787         for (i = 0; i < regs->win_num; i++) {
1788                 if (regs->reg_win_data[i].win_id == win_id) {
1789                         win_data = &(regs->reg_win_data[i]);
1790                         break;
1791                 }
1792         }
1793
1794         return win_data;
1795 }
1796
1797 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1798                             struct rk_fb_reg_data *regs,
1799                             int count)
1800 {
1801         int i, j, wait_for_vsync = false;
1802         unsigned int dsp_addr[5][4];
1803         int win_status = 0;
1804
1805         if (dev_drv->ops->get_dsp_addr)
1806                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1807
1808         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1809                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1810                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1811                                 continue;
1812                         if (dev_drv->win[i]->area[j].state == 1) {
1813                                 u32 new_start =
1814                                         dev_drv->win[i]->area[j].smem_start +
1815                                         dev_drv->win[i]->area[j].y_offset;
1816                                 u32 reg_start = dsp_addr[i][j];
1817
1818                                 if (unlikely(new_start != reg_start)) {
1819                                         wait_for_vsync = true;
1820                                         dev_info(dev_drv->dev,
1821                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1822                                                  i, new_start, reg_start,
1823                                                  101 - count);
1824                                         break;
1825                                 }
1826                         } else if (dev_drv->win[i]->area[j].state == 0) {
1827                                 if (dev_drv->ops->get_win_state) {
1828                                         win_status =
1829                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1830                                         if (win_status)
1831                                                 wait_for_vsync = true;
1832                                 }
1833                         } else {
1834                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1835                                        i, dev_drv->win[i]->state);
1836                         }
1837                 }
1838         }
1839
1840         return wait_for_vsync;
1841 }
1842
1843 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1844 {
1845         int i, j, state, page_fault = 0;
1846         unsigned int dsp_addr[5][4];
1847
1848         if (dev_drv->ops->extern_func) {
1849                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1850                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1851         }
1852         if (page_fault) {
1853                 pr_info("last config:\n");
1854                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1855                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1856                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1857                                         continue;
1858                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1859                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1860                         }
1861                 }
1862
1863                 pr_info("last freed buffer:\n");
1864                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1865                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1866
1867                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1868                 pr_info("vop now state:\n");
1869                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1870                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1871                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1872                                         continue;
1873                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1874                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1875                                         i, j, state, dsp_addr[i][j]);
1876                         }
1877                 }
1878                 pr_info("now config:\n");
1879                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1880                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1881                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1882                                         continue;
1883                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1884                                         i, j, g_now_config_state[i][j],
1885                                         g_now_config_addr[i][j]);
1886                         }
1887                 }
1888                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1889                         rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1890                                            &dev_drv->tmp_regs[i], 0);
1891         }
1892
1893         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1894                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1895                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1896                                 continue;
1897                         g_last_addr[i][j] = g_now_config_addr[i][j];
1898                         g_last_state[i][j] = g_now_config_state[i][j];
1899                 }
1900         }
1901
1902         return page_fault;
1903 }
1904 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1905                              struct rk_fb_reg_data *regs)
1906 {
1907         int i, j;
1908         struct rk_lcdc_win *win;
1909         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1910         struct rk_fb_reg_win_data *win_data;
1911         bool wait_for_vsync;
1912         int count = 100;
1913         long timeout;
1914         int pagefault = 0;
1915
1916         if (dev_drv->suspend_flag == 1) {
1917 #ifdef H_USE_FENCE
1918                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1919 #endif
1920                 for (i = 0; i < regs->win_num; i++) {
1921                         win_data = &regs->reg_win_data[i];
1922                         rk_fb_free_dma_buf(dev_drv, win_data);
1923                 }
1924                 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1925                         rk_fb_free_wb_buf(dev_drv, &regs->reg_wb_data);
1926                 kfree(regs);
1927                 return;
1928         }
1929         /* acq_fence wait */
1930         for (i = 0; i < regs->win_num; i++) {
1931                 win_data = &regs->reg_win_data[i];
1932                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1933                         if (win_data->reg_area_data[j].acq_fence)
1934                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1935                 }
1936         }
1937
1938         mutex_lock(&dev_drv->win_config);
1939         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1940                 win = dev_drv->win[i];
1941                 win_data = rk_fb_get_win_data(regs, i);
1942                 if (win_data) {
1943                         rk_fb_update_win(dev_drv, win, win_data);
1944                         win->state = 1;
1945                         dev_drv->ops->set_par(dev_drv, i);
1946                         dev_drv->ops->pan_display(dev_drv, i);
1947                 } else {
1948                         win->z_order = -1;
1949                         win->state = 0;
1950                         for (j = 0; j < 4; j++) {
1951                                 win->area[j].state = 0;
1952                                 win->area[j].fbdc_en = 0;
1953                         }
1954                         if (dev_drv->iommu_enabled) {
1955                                 for (j = 0; j < 4; j++) {
1956                                         g_now_config_addr[i][j] = 0;
1957                                         g_now_config_state[i][j] = 0;
1958                                 }
1959                         }
1960                 }
1961         }
1962         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1963
1964         if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1965                 memcpy(&dev_drv->wb_data, &regs->reg_wb_data,
1966                        sizeof(struct rk_fb_reg_wb_data));
1967                 if (dev_drv->ops->set_wb)
1968                         dev_drv->ops->set_wb(dev_drv);
1969         }
1970
1971         if (rk_fb_iommu_debug > 0)
1972                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1973
1974         if (pagefault == 0)
1975                 dev_drv->ops->cfg_done(dev_drv);
1976         else
1977                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1978         mutex_unlock(&dev_drv->win_config);
1979
1980         do {
1981                 timestamp = dev_drv->vsync_info.timestamp;
1982                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1983                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1984                                 msecs_to_jiffies(50));
1985
1986                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1987         } while (wait_for_vsync && count--);
1988 #ifdef H_USE_FENCE
1989         sw_sync_timeline_inc(dev_drv->timeline, 1);
1990 #endif
1991
1992         if (dev_drv->front_regs) {
1993                 if (dev_drv->iommu_enabled) {
1994                         if (dev_drv->ops->mmu_en)
1995                                 dev_drv->ops->mmu_en(dev_drv);
1996                         freed_index = 0;
1997                         g_last_timeout = timeout;
1998                 }
1999
2000                 mutex_lock(&dev_drv->front_lock);
2001
2002                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
2003                         win_data = &dev_drv->front_regs->reg_win_data[i];
2004                         rk_fb_free_dma_buf(dev_drv, win_data);
2005                 }
2006                 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2007                         rk_fb_free_wb_buf(dev_drv,
2008                                           &dev_drv->front_regs->reg_wb_data);
2009                 kfree(dev_drv->front_regs);
2010
2011                 mutex_unlock(&dev_drv->front_lock);
2012
2013                 if (dev_drv->iommu_enabled)
2014                         freed_addr[freed_index] = 0xfefefefe;
2015         }
2016
2017         mutex_lock(&dev_drv->front_lock);
2018
2019         dev_drv->front_regs = regs;
2020
2021         mutex_unlock(&dev_drv->front_lock);
2022
2023         trace_buffer_dump(&fb_pdev->dev, dev_drv);
2024 }
2025
2026 static void rk_fb_update_regs_handler(struct kthread_work *work)
2027 {
2028         struct rk_lcdc_driver *dev_drv =
2029             container_of(work, struct rk_lcdc_driver, update_regs_work);
2030         struct rk_fb_reg_data *data, *next;
2031
2032         mutex_lock(&dev_drv->update_regs_list_lock);
2033         dev_drv->saved_list = dev_drv->update_regs_list;
2034         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
2035         mutex_unlock(&dev_drv->update_regs_list_lock);
2036
2037         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
2038                 list_del(&data->list);
2039                 rk_fb_update_reg(dev_drv, data);
2040         }
2041
2042         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2043                 wake_up(&dev_drv->update_regs_wait);
2044 }
2045
2046 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2047                                   struct rk_screen *screen)
2048 {
2049         if (area_par->phy_addr > 0)
2050                 pr_err("%s[%d], phy_addr = 0x%x\n",
2051                        __func__, __LINE__, area_par->phy_addr);
2052         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2053             (area_par->xact <= 0) || (area_par->yact <= 0) ||
2054             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2055                 pr_err("check config var fail 0:\n"
2056                        "x_offset=%d,xact=%d,xvir=%d\n",
2057                        area_par->x_offset, area_par->xact, area_par->xvir);
2058                 return -EINVAL;
2059         }
2060
2061         if ((area_par->xpos >= screen->mode.xres) ||
2062             (area_par->ypos >= screen->mode.yres) ||
2063             ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2064                 pr_warn("check config var fail 1:\n"
2065                         "xpos=%d,xsize=%d,xres=%d\n"
2066                         "ypos=%d,ysize=%d,yres=%d\n",
2067                         area_par->xpos, area_par->xsize, screen->mode.xres,
2068                         area_par->ypos, area_par->ysize, screen->mode.yres);
2069                 return -EINVAL;
2070         }
2071         return 0;
2072 }
2073
2074 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2075                               struct rk_fb_win_cfg_data *win_data,
2076                               struct rk_fb_reg_data *regs, u32 cmd)
2077 {
2078         int i, j;
2079         struct rk_fb_win_par *win_par;
2080         struct rk_fb_area_par *area_par;
2081         struct rk_fb_reg_win_data *reg_win_data;
2082         struct rk_fb_reg_area_data *area_data;
2083
2084         rk_fb_dbg(cmd, "-------------frame start-------------\n");
2085         rk_fb_dbg(cmd, "user config:\n");
2086         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2087                 win_par = &(win_data->win_par[i]);
2088                 if ((win_par->area_par[0].ion_fd <= 0) &&
2089                     (win_par->area_par[0].phy_addr <= 0))
2090                         continue;
2091                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2092                           win_par->win_id, win_par->z_order,
2093                           win_par->g_alpha_val);
2094                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2095                         area_par = &(win_par->area_par[j]);
2096                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2097                             ((win_par->area_par[j].ion_fd <= 0) &&
2098                              (win_par->area_par[j].phy_addr <= 0)))
2099                                 continue;
2100                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2101                                   j, area_par->data_format, area_par->ion_fd,
2102                                   area_par->phy_addr, area_par->x_offset,
2103                                   area_par->y_offset);
2104                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2105                                   area_par->xpos, area_par->ypos,
2106                                   area_par->xsize, area_par->ysize);
2107                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2108                                   area_par->xact, area_par->yact,
2109                                   area_par->xvir, area_par->yvir);
2110                 }
2111         }
2112
2113         rk_fb_dbg(cmd, "regs data:\n");
2114         rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2115                   regs->win_num, regs->buf_num);
2116         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2117                 reg_win_data = &(regs->reg_win_data[i]);
2118                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2119                         continue;
2120                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2121                           reg_win_data->win_id, reg_win_data->z_order,
2122                           reg_win_data->area_num, reg_win_data->area_buf_num);
2123                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2124                         area_data = &(reg_win_data->reg_area_data[j]);
2125                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2126                             (area_data->smem_start <= 0))
2127                                 continue;
2128                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2129                                   j, area_data->data_format, area_data->ion_handle,
2130                                   area_data->smem_start, area_data->cbr_start);
2131                         rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2132                                   area_data->y_offset, area_data->c_offset, area_data->buff_len);
2133                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2134                                   area_data->xpos, area_data->ypos,
2135                                   area_data->xsize, area_data->ysize);
2136                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2137                                   area_data->xact, area_data->yact,
2138                                   area_data->xvir, area_data->yvir);
2139                 }
2140         }
2141         rk_fb_dbg(cmd, "-------------frame end---------------\n");
2142
2143         return 0;
2144 }
2145 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2146                                struct rk_fb_win_cfg_data *win_cfg,
2147                                struct rk_fb_reg_data *regs)
2148 {
2149         int i;
2150
2151         /*2->1->0: 0 is newest*/
2152         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2153                 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2154                        &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2155                        sizeof(struct rk_fb_win_cfg_data));
2156                 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2157                        &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2158                        sizeof(struct rk_fb_reg_data));
2159         }
2160
2161         memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2162                sizeof(struct rk_fb_win_cfg_data));
2163         memcpy(&dev_drv->tmp_regs[0], regs,
2164                sizeof(struct rk_fb_reg_data));
2165
2166         return 0;
2167 }
2168
2169 static int rk_fb_set_wb_buffer(struct fb_info *info,
2170                                struct rk_fb_wb_cfg *wb_cfg,
2171                                struct rk_fb_reg_wb_data *wb_data)
2172 {
2173         int ret = 0;
2174         ion_phys_addr_t phy_addr;
2175         size_t len;
2176         u8 fb_data_fmt;
2177         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2178         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2179         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2180
2181         if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2182                 wb_data->state = 0;
2183                 return 0;
2184         }
2185         if (wb_cfg->phy_addr == 0) {
2186                 wb_data->ion_handle =
2187                     ion_import_dma_buf(rk_fb->ion_client,
2188                                        wb_cfg->ion_fd);
2189                 if (IS_ERR(wb_data->ion_handle)) {
2190                         pr_info("Could not import handle: %ld\n",
2191                                 (long)wb_data->ion_handle);
2192                         return -EINVAL;
2193                 }
2194                 if (dev_drv->iommu_enabled)
2195                         ret = ion_map_iommu(dev_drv->dev,
2196                                             rk_fb->ion_client,
2197                                             wb_data->ion_handle,
2198                                             (unsigned long *)&phy_addr,
2199                                             (unsigned long *)&len);
2200                 else
2201                         ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2202                                        &phy_addr, &len);
2203                 if (ret < 0) {
2204                         pr_err("ion map to get phy addr failed\n");
2205                         ion_free(rk_fb->ion_client, wb_data->ion_handle);
2206                         return -ENOMEM;
2207                 }
2208                 wb_data->smem_start = phy_addr;
2209         } else {
2210                 wb_data->smem_start = wb_cfg->phy_addr;
2211         }
2212
2213         fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2214         if (IS_YUV_FMT(fb_data_fmt))
2215                 wb_data->cbr_start = wb_data->smem_start +
2216                                         wb_cfg->xsize * wb_cfg->ysize;
2217         wb_data->xsize = wb_cfg->xsize;
2218         wb_data->ysize = wb_cfg->ysize;
2219         wb_data->data_format = fb_data_fmt;
2220         wb_data->state = 1;
2221
2222         return 0;
2223 }
2224
2225 static int rk_fb_set_win_buffer(struct fb_info *info,
2226                                 struct rk_fb_win_par *win_par,
2227                                 struct rk_fb_reg_win_data *reg_win_data)
2228 {
2229         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2230         struct fb_fix_screeninfo *fix = &info->fix;
2231         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2232         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2233         /*if hdmi size move to hwc,screen should point to cur_screen
2234          *otherwise point to screen0[main screen]*/
2235         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2236         struct fb_info *fbi;
2237         int i, ion_fd, acq_fence_fd;
2238         u32 xvir = 0, yvir = 0;
2239         u32 xoffset = 0, yoffset = 0;
2240
2241         struct ion_handle *hdl;
2242         size_t len;
2243         int index_buf = 0;
2244         u8 fb_data_fmt = 0;
2245         u8 pixel_width = 0;
2246         u32 vir_width_bit = 0;
2247         u32 stride = 0, uv_stride = 0;
2248         u32 stride_32bit_1 = 0;
2249         u32 stride_32bit_2 = 0;
2250         u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2251         u8 is_pic_yuv = 0;
2252         u8 ppixel_a = 0, global_a = 0;
2253         ion_phys_addr_t phy_addr;
2254         int ret = 0;
2255         int buff_len = 0;
2256
2257         reg_win_data->reg_area_data[0].smem_start = -1;
2258         reg_win_data->area_num = 0;
2259         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2260         if (win_par->area_par[0].phy_addr == 0) {
2261                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2262                         ion_fd = win_par->area_par[i].ion_fd;
2263                         if (ion_fd > 0) {
2264                                 hdl =
2265                                     ion_import_dma_buf(rk_fb->ion_client,
2266                                                        ion_fd);
2267                                 if (IS_ERR(hdl)) {
2268                                         pr_info("%s: win[%d]area[%d] can't import handle\n",
2269                                                 __func__, win_par->win_id, i);
2270                                         pr_info("fd: %d, hdl: 0x%p, ion_client: 0x%p\n",
2271                                                 ion_fd, hdl, rk_fb->ion_client);
2272                                         return -EINVAL;
2273                                         break;
2274                                 }
2275                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2276                                 if (dev_drv->iommu_enabled)
2277                                         ret = ion_map_iommu(dev_drv->dev,
2278                                                             rk_fb->ion_client,
2279                                                             hdl,
2280                                                             (unsigned long *)&phy_addr,
2281                                                             (unsigned long *)&len);
2282                                 else
2283                                         ret = ion_phys(rk_fb->ion_client, hdl,
2284                                                        &phy_addr, &len);
2285                                 if (ret < 0) {
2286                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2287                                         ion_free(rk_fb->ion_client, hdl);
2288                                         return -ENOMEM;
2289                                 }
2290                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2291                                 reg_win_data->area_num++;
2292                                 reg_win_data->area_buf_num++;
2293                                 reg_win_data->reg_area_data[i].index_buf = 1;
2294                                 reg_win_data->reg_area_data[i].buff_len = len;
2295                         }
2296                 }
2297         } else {
2298                 reg_win_data->reg_area_data[0].smem_start =
2299                     win_par->area_par[0].phy_addr;
2300                 reg_win_data->area_num = 1;
2301                 reg_win_data->area_buf_num++;
2302                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2303         }
2304
2305         if (reg_win_data->area_num == 0) {
2306                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2307                         reg_win_data->reg_area_data[i].smem_start = 0;
2308                 reg_win_data->z_order = -1;
2309                 reg_win_data->win_id = -1;
2310                 return 0;
2311         }
2312
2313         for (i = 0; i < reg_win_data->area_num; i++) {
2314                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2315                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2316                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2317                         reg_win_data->reg_area_data[i].acq_fence =
2318                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2319                 }
2320         }
2321         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2322                 reg_win_data->z_order = win_par->z_order;
2323                 reg_win_data->win_id = win_par->win_id;
2324         } else {
2325                 reg_win_data->z_order = -1;
2326                 reg_win_data->win_id = -1;
2327         }
2328
2329         reg_win_data->mirror_en = win_par->mirror_en;
2330         for (i = 0; i < reg_win_data->area_num; i++) {
2331                 u8 data_format = win_par->area_par[i].data_format;
2332                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2333                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2334                 data_format &= ~CSC_MASK;
2335                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2336                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2337                 if (IS_FBDC_FMT(fb_data_fmt)) {
2338                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2339                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2340                 } else {
2341                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2342                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2343                 }
2344                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2345
2346                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2347                              (fb_data_fmt == FBDC_ARGB_888) ||
2348                              (fb_data_fmt == FBDC_ABGR_888) ||
2349                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2350                 /*act_height should be 2 pix align for interlace output*/
2351                 if (win_par->area_par[i].yact % 2 == 1) {
2352                         win_par->area_par[i].yact  -= 1;
2353                         win_par->area_par[i].ysize -= 1;
2354                 }
2355
2356                 /* buf offset should be 2 pix align*/
2357                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2358                     IS_YUV_FMT(fb_data_fmt)) {
2359                         win_par->area_par[i].x_offset += 1;
2360                         win_par->area_par[i].xact -= 1;
2361                 }
2362
2363                 /* visiable pos in panel */
2364                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2365                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2366
2367                 /* realy size in panel */
2368                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2369                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2370
2371                 /* realy size in panel */
2372                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2373                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2374
2375                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2376                 yoffset = win_par->area_par[i].y_offset;
2377                 reg_win_data->reg_area_data[i].xoff = xoffset;
2378                 reg_win_data->reg_area_data[i].yoff = yoffset;
2379
2380                 xvir = win_par->area_par[i].xvir;
2381                 reg_win_data->reg_area_data[i].xvir = xvir;
2382                 yvir = win_par->area_par[i].yvir;
2383                 reg_win_data->reg_area_data[i].yvir = yvir;
2384
2385                 vir_width_bit = pixel_width * xvir;
2386                 /* pixel_width = byte_num*8 */
2387                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2388                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2389
2390                 stride = stride_32bit_1;        /* default rgb */
2391                 fix->line_length = stride;
2392                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2393
2394                 /* x y mirror ,jump line
2395                  * reg_win_data->reg_area_data[i].y_offset =
2396                  *              yoffset*stride+xoffset*pixel_width/8;
2397                  */
2398                 if (screen->y_mirror || reg_win_data->mirror_en) {
2399                         if (screen->interlace == 1) {
2400                                 reg_win_data->reg_area_data[i].y_offset =
2401                                     yoffset * stride * 2 +
2402                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2403                                     xoffset * pixel_width / 8;
2404                         } else {
2405                                 reg_win_data->reg_area_data[i].y_offset =
2406                                     yoffset * stride +
2407                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2408                                     xoffset * pixel_width / 8;
2409                         }
2410                 } else {
2411                         if (screen->interlace == 1) {
2412                                 reg_win_data->reg_area_data[i].y_offset =
2413                                     yoffset * stride * 2 +
2414                                     xoffset * pixel_width / 8;
2415                         } else {
2416                                 reg_win_data->reg_area_data[i].y_offset =
2417                                     yoffset * stride +
2418                                     xoffset * pixel_width / 8;
2419                         }
2420                 }
2421                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2422                         buff_len = yoffset * stride +
2423                                 xoffset * pixel_width / 8 +
2424                                 reg_win_data->reg_area_data[i].xvir *
2425                                 reg_win_data->reg_area_data[i].yact *
2426                                 pixel_width / 8 -
2427                                 reg_win_data->reg_area_data[i].xoff*
2428                                 pixel_width / 8;
2429                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2430                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2431                                        "yact[%d]*bpp[%d]"
2432                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2433                                        fb_data_fmt,
2434                                        reg_win_data->reg_area_data[i].xvir,
2435                                        reg_win_data->reg_area_data[i].yact,
2436                                        pixel_width, buff_len,
2437                                        reg_win_data->reg_area_data[i].buff_len);
2438                 }
2439         }
2440
2441         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2442         reg_win_data->alpha_en = ppixel_a | global_a;
2443         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2444         reg_win_data->alpha_mode = win_par->alpha_mode;
2445
2446         switch (fb_data_fmt) {
2447         case YUV422:
2448         case YUV422_A:
2449                 is_pic_yuv = 1;
2450                 stride = stride_32bit_1;
2451                 uv_stride = stride_32bit_1;
2452                 uv_x_off = xoffset;
2453                 uv_y_off = yoffset;
2454                 fix->line_length = stride;
2455                 uv_y_act = win_par->area_par[0].yact >> 1;
2456                 break;
2457         case YUV420:            /* nv12 */
2458         case YUV420_NV21:       /* nv21 */
2459         case YUV420_A:
2460                 is_pic_yuv = 1;
2461                 stride = stride_32bit_1;
2462                 uv_stride = stride_32bit_1;
2463                 uv_x_off = xoffset;
2464                 uv_y_off = yoffset >> 1;
2465                 fix->line_length = stride;
2466                 uv_y_act = win_par->area_par[0].yact >> 1;
2467                 break;
2468         case YUV444:
2469         case YUV444_A:
2470                 is_pic_yuv = 1;
2471                 stride = stride_32bit_1;
2472                 uv_stride = stride_32bit_2;
2473                 uv_x_off = xoffset * 2;
2474                 uv_y_off = yoffset;
2475                 fix->line_length = stride << 2;
2476                 uv_y_act = win_par->area_par[0].yact;
2477                 break;
2478         default:
2479                 break;
2480         }
2481         if (is_pic_yuv == 1) {
2482                 reg_win_data->reg_area_data[0].cbr_start =
2483                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2484                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2485                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2486                         if (screen->interlace == 1) {
2487                                 reg_win_data->reg_area_data[0].c_offset =
2488                                     uv_y_off * uv_stride * 2 +
2489                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2490                                     uv_x_off * pixel_width / 8;
2491                         } else {
2492                                 reg_win_data->reg_area_data[0].c_offset =
2493                                     uv_y_off * uv_stride +
2494                                     (uv_y_act - 1) * uv_stride +
2495                                     uv_x_off * pixel_width / 8;
2496                         }
2497                 } else {
2498                         if (screen->interlace == 1) {
2499                                 reg_win_data->reg_area_data[0].c_offset =
2500                                     uv_y_off * uv_stride * 2 +
2501                                     uv_x_off * pixel_width / 8;
2502                         } else {
2503                                 reg_win_data->reg_area_data[0].c_offset =
2504                                     uv_y_off * uv_stride +
2505                                     uv_x_off * pixel_width / 8;
2506                         }
2507                 }
2508                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2509                         uv_y_off * uv_stride + uv_x_off * pixel_width / 8 +
2510                         reg_win_data->reg_area_data[0].xvir *
2511                         reg_win_data->reg_area_data[0].yact *
2512                         pixel_width / 16 -
2513                         reg_win_data->reg_area_data[0].smem_start -
2514                         reg_win_data->reg_area_data[0].xoff*
2515                         pixel_width / 16;
2516                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2517                      dev_drv->iommu_enabled)
2518                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2519                                "yact[%d]*bpp[%d]"
2520                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2521                                fb_data_fmt,
2522                                reg_win_data->reg_area_data[0].xvir,
2523                                reg_win_data->reg_area_data[0].yact,
2524                                pixel_width, buff_len,
2525                                reg_win_data->reg_area_data[0].buff_len);
2526         }
2527
2528         /* record buffer information for rk_fb_disp_scale to prevent fence
2529          * timeout because rk_fb_disp_scale will call function
2530          * info->fbops->fb_set_par(info);
2531          * delete by hjc for new hdmi overscan framework.
2532          */
2533         /* info->var.yoffset = yoffset;
2534          * info->var.xoffset = xoffset;
2535          */
2536         return 0;
2537 }
2538
2539 static int rk_fb_set_win_config(struct fb_info *info,
2540                                 struct rk_fb_win_cfg_data *win_data)
2541 {
2542         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2543         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2544         struct rk_fb_reg_data *regs;
2545 #ifdef H_USE_FENCE
2546         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2547         struct sync_fence *retire_fence;
2548         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2549         struct sync_pt *retire_sync_pt;
2550         char fence_name[20];
2551 #endif
2552         int ret = 0, i, j = 0;
2553         int list_is_empty = 0;
2554         struct rk_screen *screen = dev_drv->cur_screen;
2555
2556         mutex_lock(&dev_drv->output_lock);
2557
2558         for (i = 0; i < 4; i++) {
2559                 for (j = 0; j < 4; j++) {
2560                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2561                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2562                                 ret += rk_fb_check_config_var(
2563                                         &win_data->win_par[i].area_par[j],
2564                                         screen);
2565                 }
2566         }
2567         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2568                 dev_drv->timeline_max++;
2569                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2570                 if (dev_drv->suspend_flag)
2571                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2572                 else if (dev_drv->hdmi_switch)
2573                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2574                 else
2575                         pr_err("error config ,ignore\n");
2576                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2577                         win_data->rel_fence_fd[j] = -1;
2578                 win_data->ret_fence_fd = -1;
2579                 goto err;
2580         }
2581
2582         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2583         if (!regs) {
2584                 pr_info("could not allocate rk_fb_reg_data\n");
2585                 ret = -ENOMEM;
2586                 goto err;
2587         }
2588
2589         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2590                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2591                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2592                                                  &regs->reg_win_data[j])) {
2593                                 ret = -ENOMEM;
2594                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2595                                 goto err2;
2596                         }
2597                         if (regs->reg_win_data[j].area_num > 0) {
2598                                 regs->win_num++;
2599                                 regs->buf_num +=
2600                                     regs->reg_win_data[j].area_buf_num;
2601                         }
2602                         j++;
2603                 } else {
2604                         pr_info("error:win_id bigger than lcdc_win_num\n");
2605                         pr_info("i=%d,win_id=%d\n", i,
2606                                 win_data->win_par[i].win_id);
2607                 }
2608         }
2609         if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2610                 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2611                                     &regs->reg_wb_data);
2612         if (regs->win_num <= 0)
2613                 goto err_null_frame;
2614
2615         dev_drv->timeline_max++;
2616 #ifdef H_USE_FENCE
2617         win_data->ret_fence_fd = get_unused_fd_flags(0);
2618         if (win_data->ret_fence_fd < 0) {
2619                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2620                 win_data->ret_fence_fd = -1;
2621                 ret = -EFAULT;
2622                 goto err2;
2623         }
2624         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2625                 if (i < regs->buf_num) {
2626                         sprintf(fence_name, "fence%d", i);
2627                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2628                         if (win_data->rel_fence_fd[i] < 0) {
2629                                 pr_info("rel_fence_fd=%d\n",
2630                                         win_data->rel_fence_fd[i]);
2631                                 ret = -EFAULT;
2632                                 goto err2;
2633                         }
2634                         release_sync_pt[i] =
2635                             sw_sync_pt_create(dev_drv->timeline,
2636                                               dev_drv->timeline_max);
2637                         release_fence[i] =
2638                             sync_fence_create(fence_name, release_sync_pt[i]);
2639                         sync_fence_install(release_fence[i],
2640                                            win_data->rel_fence_fd[i]);
2641                 } else {
2642                         win_data->rel_fence_fd[i] = -1;
2643                 }
2644         }
2645
2646         retire_sync_pt =
2647             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2648         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2649         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2650 #else
2651         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2652                 win_data->rel_fence_fd[i] = -1;
2653
2654         win_data->ret_fence_fd = -1;
2655 #endif
2656         if (dev_drv->wait_fs == 0) {
2657                 mutex_lock(&dev_drv->update_regs_list_lock);
2658                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2659                 mutex_unlock(&dev_drv->update_regs_list_lock);
2660                 queue_kthread_work(&dev_drv->update_regs_worker,
2661                                    &dev_drv->update_regs_work);
2662         } else {
2663                 mutex_lock(&dev_drv->update_regs_list_lock);
2664                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2665                                         list_empty(&dev_drv->saved_list);
2666                 mutex_unlock(&dev_drv->update_regs_list_lock);
2667                 if (!list_is_empty) {
2668                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2669                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2670                                 msecs_to_jiffies(60));
2671                         if (ret > 0)
2672                                 rk_fb_update_reg(dev_drv, regs);
2673                         else
2674                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2675                 } else if (ret == 0) {
2676                         rk_fb_update_reg(dev_drv, regs);
2677                 }
2678         }
2679         if (rk_fb_debug_lvl > 0)
2680                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2681         if (rk_fb_iommu_debug > 0)
2682                 rk_fb_config_backup(dev_drv, win_data, regs);
2683 err:
2684         mutex_unlock(&dev_drv->output_lock);
2685         return ret;
2686 err_null_frame:
2687         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2688                 win_data->rel_fence_fd[j] = -1;
2689         win_data->ret_fence_fd = -1;
2690         pr_info("win num = %d,null frame\n", regs->win_num);
2691 err2:
2692         rk_fb_config_debug(dev_drv, win_data, regs, 0);
2693         kfree(regs);
2694         mutex_unlock(&dev_drv->output_lock);
2695
2696         return ret;
2697 }
2698
2699 #if 1
2700 static int cfgdone_distlist[10] = { 0 };
2701
2702 static int cfgdone_index;
2703 static int cfgdone_lasttime;
2704
2705 int rk_get_real_fps(int before)
2706 {
2707         struct timespec now;
2708         int dist_curr;
2709         int dist_total = 0;
2710         int dist_count = 0;
2711         int dist_first = 0;
2712
2713         int index = cfgdone_index;
2714         int i = 0, fps = 0;
2715         int total;
2716
2717         if (before > 100)
2718                 before = 100;
2719         if (before < 0)
2720                 before = 0;
2721
2722         getnstimeofday(&now);
2723         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2724                         cfgdone_lasttime;
2725         total = dist_curr;
2726         for (i = 0; i < 10; i++) {
2727                 if (--index < 0)
2728                         index = 9;
2729                 total += cfgdone_distlist[index];
2730                 if (i == 0)
2731                         dist_first = cfgdone_distlist[index];
2732                 if (total < (before * 1000)) {
2733                         dist_total += cfgdone_distlist[index];
2734                         dist_count++;
2735                 } else {
2736                         break;
2737                 }
2738         }
2739
2740         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2741         dist_total += dist_curr;
2742         dist_count++;
2743
2744         if (dist_total > 0)
2745                 fps = (1000000 * dist_count) / dist_total;
2746         else
2747                 fps = 60;
2748
2749         return fps;
2750 }
2751 EXPORT_SYMBOL(rk_get_real_fps);
2752
2753 #endif
2754 #define ION_MAX 10
2755 static struct ion_handle *ion_hanle[ION_MAX];
2756 static struct ion_handle *ion_hwc[1];
2757 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2758                        unsigned long arg)
2759 {
2760         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2761         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2762         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2763         struct fb_fix_screeninfo *fix = &info->fix;
2764         struct rk_lcdc_win *win;
2765         int enable;     /* enable fb:1 enable;0 disable */
2766         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2767         int num_buf;    /* buffer_number */
2768         int ret = 0;
2769         struct rk_fb_win_cfg_data win_data;
2770         unsigned int dsp_addr[4][4];
2771         int list_stat;
2772
2773         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2774         void __user *argp = (void __user *)arg;
2775
2776         win = dev_drv->win[win_id];
2777         switch (cmd) {
2778         case RK_FBIOSET_HWC_ADDR:
2779         {
2780                 u32 hwc_phy[1];
2781
2782                 if (copy_from_user(hwc_phy, argp, 4))
2783                         return -EFAULT;
2784                 if (!dev_drv->iommu_enabled) {
2785                         fix->smem_start = hwc_phy[0];
2786                 } else {
2787                         int usr_fd;
2788                         struct ion_handle *hdl;
2789                         ion_phys_addr_t phy_addr;
2790                         size_t len;
2791
2792                         usr_fd = hwc_phy[0];
2793                         if (!usr_fd) {
2794                                 fix->smem_start = 0;
2795                                 fix->mmio_start = 0;
2796                                 dev_drv->ops->open(dev_drv, win_id, 0);
2797                                 break;
2798                         }
2799
2800                         if (ion_hwc[0] != 0) {
2801                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2802                                 ion_hwc[0] = 0;
2803                         }
2804
2805                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2806                         if (IS_ERR(hdl)) {
2807                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2808                                         PTR_ERR(hdl));
2809                                 return -EFAULT;
2810                         }
2811
2812                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2813                                             (unsigned long *)&phy_addr,
2814                                             (unsigned long *)&len);
2815                         if (ret < 0) {
2816                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2817                                 ion_free(rk_fb->ion_client, hdl);
2818                                 return -ENOMEM;
2819                         }
2820                         fix->smem_start = phy_addr;
2821                         ion_hwc[0] = hdl;
2822                 }
2823                 break;
2824         }
2825         case RK_FBIOSET_YUV_ADDR:
2826                 {
2827                         u32 yuv_phy[2];
2828
2829                         if (copy_from_user(yuv_phy, argp, 8))
2830                                 return -EFAULT;
2831                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2832                                 fix->smem_start = yuv_phy[0];
2833                                 fix->mmio_start = yuv_phy[1];
2834                         } else {
2835                                 int usr_fd, offset, tmp;
2836                                 struct ion_handle *hdl;
2837                                 ion_phys_addr_t phy_addr;
2838                                 size_t len;
2839
2840                                 usr_fd = yuv_phy[0];
2841                                 offset = yuv_phy[1] - yuv_phy[0];
2842                                 if (!usr_fd) {
2843                                         fix->smem_start = 0;
2844                                         fix->mmio_start = 0;
2845                                         break;
2846                                 }
2847
2848                                 if (ion_hanle[ION_MAX - 1] != 0) {
2849                                         /*ion_unmap_kernel(rk_fb->ion_client,
2850                                          *      ion_hanle[ION_MAX - 1]);
2851                                          *ion_unmap_iommu(dev_drv->dev,
2852                                          *      rk_fb->ion_client,
2853                                          *      ion_hanle[ION_MAX - 1]);
2854                                          */
2855                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2856                                         ion_hanle[ION_MAX - 1] = 0;
2857                                 }
2858
2859                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2860                                 if (IS_ERR(hdl)) {
2861                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2862                                                 PTR_ERR(hdl));
2863                                         return -EFAULT;
2864                                 }
2865
2866                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2867                                                     (unsigned long *)&phy_addr,
2868                                                     (unsigned long *)&len);
2869                                 if (ret < 0) {
2870                                         dev_err(info->dev, "ion map to get phy addr failed");
2871                                         ion_free(rk_fb->ion_client, hdl);
2872                                         return -ENOMEM;
2873                                 }
2874                                 fix->smem_start = phy_addr;
2875                                 fix->mmio_start = phy_addr + offset;
2876                                 fix->smem_len = len;
2877                                 /*info->screen_base =
2878                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2879                                  */
2880                                 ion_hanle[0] = hdl;
2881                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2882                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2883                                 ion_hanle[0] = 0;
2884                         }
2885                         break;
2886                 }
2887         case RK_FBIOSET_ENABLE:
2888                 if (copy_from_user(&enable, argp, sizeof(enable)))
2889                         return -EFAULT;
2890                                 if (enable && fb_par->state)
2891                                         fb_par->state++;
2892                                 else
2893                                         fb_par->state--;
2894                 dev_drv->ops->open(dev_drv, win_id, enable);
2895                 break;
2896         case RK_FBIOGET_ENABLE:
2897                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2898                 if (copy_to_user(argp, &enable, sizeof(enable)))
2899                         return -EFAULT;
2900                 break;
2901         case RK_FBIOSET_OVERLAY_STA:
2902                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2903                         return -EFAULT;
2904                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2905                 break;
2906         case RK_FBIOGET_OVERLAY_STA:
2907                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2908                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2909                         return -EFAULT;
2910                 break;
2911         case RK_FBIOPUT_NUM_BUFFERS:
2912                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2913                         return -EFAULT;
2914                 dev_drv->num_buf = num_buf;
2915                 break;
2916         case RK_FBIOSET_VSYNC_ENABLE:
2917                 if (copy_from_user(&enable, argp, sizeof(enable)))
2918                         return -EFAULT;
2919                 if (enable)
2920                         dev_drv->vsync_info.active++;
2921                 else
2922                         dev_drv->vsync_info.active--;
2923                 break;
2924         case RK_FBIOGET_DSP_ADDR:
2925                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2926                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2927                         return -EFAULT;
2928                 break;
2929         case RK_FBIOGET_LIST_STA:
2930                 list_stat = rk_fb_get_list_stat(dev_drv);
2931                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2932                         return -EFAULT;
2933
2934                 break;
2935         case RK_FBIOGET_IOMMU_STA:
2936                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2937                                  sizeof(dev_drv->iommu_enabled)))
2938                         return -EFAULT;
2939                 break;
2940 #if defined(CONFIG_ION_ROCKCHIP)
2941         case RK_FBIOSET_DMABUF_FD:
2942                 {
2943                         int usr_fd;
2944                         struct ion_handle *hdl;
2945                         ion_phys_addr_t phy_addr;
2946                         size_t len;
2947
2948                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2949                                 return -EFAULT;
2950
2951                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2952                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2953                         fix->smem_start = phy_addr;
2954                         break;
2955                 }
2956         case RK_FBIOGET_DMABUF_FD:
2957                 {
2958                         int fd = -1;
2959
2960                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2961                                 dev_err(info->dev,
2962                                         "get dma_buf fd failed,ion handle is err\n");
2963                                 return PTR_ERR(fb_par->ion_hdl);
2964                         }
2965                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2966                                                   fb_par->ion_hdl);
2967                         if (fd < 0) {
2968                                 dev_err(info->dev,
2969                                         "ion_share_dma_buf_fd failed\n");
2970                                 return fd;
2971                         }
2972                         if (copy_to_user(argp, &fd, sizeof(fd)))
2973                                 return -EFAULT;
2974                         break;
2975                 }
2976 #endif
2977         case RK_FBIOSET_CLEAR_FB:
2978                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2979                 break;
2980         case RK_FBIOSET_CONFIG_DONE:
2981                 {
2982                         int curr = 0;
2983                         struct timespec now;
2984
2985                         getnstimeofday(&now);
2986                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2987                         cfgdone_distlist[cfgdone_index++] =
2988                                 curr - cfgdone_lasttime;
2989                         cfgdone_lasttime = curr;
2990                         if (cfgdone_index >= 10)
2991                                 cfgdone_index = 0;
2992                 }
2993                 if (is_car_camcap()) {
2994                         int i = 0;
2995
2996                         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2997                                 win_data.rel_fence_fd[i] = -1;
2998
2999                         win_data.ret_fence_fd = -1;
3000                         goto cam_exit;
3001                 }
3002                 if (copy_from_user(&win_data,
3003                                    (struct rk_fb_win_cfg_data __user *)argp,
3004                                    sizeof(win_data))) {
3005                         ret = -EFAULT;
3006                         break;
3007                 };
3008
3009                 dev_drv->wait_fs = win_data.wait_fs;
3010                 ret = rk_fb_set_win_config(info, &win_data);
3011
3012 cam_exit:
3013                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
3014                                  &win_data, sizeof(win_data))) {
3015                         ret = -EFAULT;
3016                         break;
3017                 }
3018                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
3019
3020                 if (dev_drv->uboot_logo)
3021                         dev_drv->uboot_logo = 0;
3022
3023                 break;
3024         default:
3025                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
3026                 break;
3027         }
3028
3029         return ret;
3030 }
3031
3032 static int rk_fb_blank(int blank_mode, struct fb_info *info)
3033 {
3034         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3035         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3036         struct fb_fix_screeninfo *fix = &info->fix;
3037         int win_id;
3038 #if defined(CONFIG_RK_HDMI)
3039         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3040 #endif
3041
3042         if (is_car_camcap())
3043                 return 0;
3044         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
3045         if (win_id < 0)
3046                 return -ENODEV;
3047         mutex_lock(&dev_drv->switch_screen);
3048 #if defined(CONFIG_RK_HDMI)
3049         if ((rk_fb->disp_mode == ONE_DUAL) &&
3050             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
3051                 pr_info("hdmi is connect , not blank lcdc\n");
3052         } else
3053 #endif
3054         {
3055                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3056         }
3057         mutex_unlock(&dev_drv->switch_screen);
3058         return 0;
3059 }
3060
3061 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3062 {
3063         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3064             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3065             ((16 != var->bits_per_pixel) &&
3066             (32 != var->bits_per_pixel) &&
3067             (24 != var->bits_per_pixel))) {
3068                 dev_err(info->dev, "%s check var fail 1:\n"
3069                         "xres_vir:%d>>yres_vir:%d\n"
3070                         "xres:%d>>yres:%d\n"
3071                         "bits_per_pixel:%d\n",
3072                         info->fix.id,
3073                         var->xres_virtual,
3074                         var->yres_virtual,
3075                         var->xres, var->yres, var->bits_per_pixel);
3076                 return -EINVAL;
3077         }
3078
3079         if (((var->xoffset + var->xres) > var->xres_virtual) ||
3080             ((var->yoffset + var->yres) > (var->yres_virtual))) {
3081                 dev_err(info->dev, "%s check_var fail 2:\n"
3082                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3083                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3084                         info->fix.id,
3085                         var->xoffset,
3086                         var->xres,
3087                         var->xres_virtual,
3088                         var->yoffset, var->yres, var->yres_virtual);
3089                 return -EINVAL;
3090         }
3091
3092         return 0;
3093 }
3094
3095 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3096                           size_t count, loff_t *ppos)
3097 {
3098         unsigned long p = *ppos;
3099         u8 *buffer, *dst;
3100         u8 __iomem *src;
3101         int c, cnt = 0, err = 0;
3102         unsigned long total_size;
3103         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3104         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3105         struct rk_lcdc_win *win = NULL;
3106         int win_id = 0;
3107
3108         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3109         if (win_id < 0)
3110                 return -ENODEV;
3111         else
3112                 win = dev_drv->win[win_id];
3113
3114         /* only read the current frame buffer */
3115         if (win->area[0].format == RGB565) {
3116                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3117         } else if ((win->area[0].format == YUV420) ||
3118                    (win->area[0].format == YUV420_NV21)) {
3119                 total_size =
3120                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
3121         } else {
3122                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3123         }
3124         if (p >= total_size)
3125                 return 0;
3126
3127         if (count >= total_size)
3128                 count = total_size;
3129
3130         if (count + p > total_size)
3131                 count = total_size - p;
3132
3133         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3134         if (!buffer)
3135                 return -ENOMEM;
3136
3137         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3138
3139         while (count) {
3140                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3141                 dst = buffer;
3142                 fb_memcpy_fromfb(dst, src, c);
3143                 dst += c;
3144                 src += c;
3145
3146                 if (copy_to_user(buf, buffer, c)) {
3147                         err = -EFAULT;
3148                         break;
3149                 }
3150                 *ppos += c;
3151                 buf += c;
3152                 cnt += c;
3153                 count -= c;
3154         }
3155
3156         kfree(buffer);
3157
3158         return (err) ? err : cnt;
3159 }
3160
3161 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3162                            size_t count, loff_t *ppos)
3163 {
3164         unsigned long p = *ppos;
3165         u8 *buffer, *src;
3166         u8 __iomem *dst;
3167         int c, cnt = 0, err = 0;
3168         unsigned long total_size;
3169         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3170         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3171         struct rk_lcdc_win *win = NULL;
3172         int win_id = 0;
3173
3174         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3175         if (win_id < 0)
3176                 return -ENODEV;
3177         else
3178                 win = dev_drv->win[win_id];
3179
3180         /* write the current frame buffer */
3181         if (win->area[0].format == RGB565)
3182                 total_size = win->area[0].xact * win->area[0].yact << 1;
3183         else
3184                 total_size = win->area[0].xact * win->area[0].yact << 2;
3185
3186         if (p > total_size)
3187                 return -EFBIG;
3188
3189         if (count > total_size) {
3190                 err = -EFBIG;
3191                 count = total_size;
3192         }
3193
3194         if (count + p > total_size) {
3195                 if (!err)
3196                         err = -ENOSPC;
3197
3198                 count = total_size - p;
3199         }
3200
3201         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3202         if (!buffer)
3203                 return -ENOMEM;
3204
3205         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3206
3207         while (count) {
3208                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3209                 src = buffer;
3210
3211                 if (copy_from_user(src, buf, c)) {
3212                         err = -EFAULT;
3213                         break;
3214                 }
3215
3216                 fb_memcpy_tofb(dst, src, c);
3217                 dst += c;
3218                 src += c;
3219                 *ppos += c;
3220                 buf += c;
3221                 cnt += c;
3222                 count -= c;
3223         }
3224
3225         kfree(buffer);
3226
3227         return (cnt) ? cnt : err;
3228 }
3229
3230 static int rk_fb_set_par(struct fb_info *info)
3231 {
3232         struct fb_var_screeninfo *var = &info->var;
3233         struct fb_fix_screeninfo *fix = &info->fix;
3234         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3235         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3236         struct rk_lcdc_win *win = NULL;
3237         struct rk_screen *screen = dev_drv->cur_screen;
3238         int win_id = 0;
3239         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3240         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3241         u32 yoffset = var->yoffset;
3242         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3243         u16 ypos = (var->nonstd >> 20) & 0xfff;
3244         u32 xvir = var->xres_virtual;
3245         u8 data_format = var->nonstd & 0xff;
3246         u8 fb_data_fmt;
3247         u8 pixel_width = 0;
3248         u32 vir_width_bit;
3249         u32 stride, uv_stride = 0;
3250         u32 stride_32bit_1;
3251         u32 stride_32bit_2;
3252         u16 uv_x_off, uv_y_off, uv_y_act;
3253         u8 is_pic_yuv = 0;
3254         /*var->pixclock = dev_drv->pixclock;*/
3255         if (dev_drv->suspend_flag || is_car_camcap())
3256                 return 0;
3257         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3258         if (win_id < 0)
3259                 return -ENODEV;
3260         else
3261                 win = dev_drv->win[win_id];
3262
3263         /* if the application has specific the hor and ver display size */
3264         if (var->grayscale >> 8) {
3265                 xsize = (var->grayscale >> 8) & 0xfff;
3266                 ysize = (var->grayscale >> 20) & 0xfff;
3267                 if (xsize > screen->mode.xres)
3268                         xsize = screen->mode.xres;
3269                 if (ysize > screen->mode.yres)
3270                         ysize = screen->mode.yres;
3271         } else {                /*ohterwise  full  screen display */
3272                 xsize = screen->mode.xres;
3273                 ysize = screen->mode.yres;
3274         }
3275
3276         win->colorspace = CSC_FORMAT(data_format);
3277         data_format &= ~CSC_MASK;
3278         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3279         if (IS_FBDC_FMT(fb_data_fmt)) {
3280                 win->area[0].fbdc_en = 1;
3281                 win->area[0].fbdc_cor_en = 1;
3282         } else {
3283                 win->area[0].fbdc_en = 0;
3284                 win->area[0].fbdc_cor_en = 0;
3285         }
3286         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3287         vir_width_bit = pixel_width * xvir;
3288         /* pixel_width = byte_num * 8 */
3289         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3290         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3291
3292         switch (fb_data_fmt) {
3293         case YUV422:
3294         case YUV422_A:
3295                 is_pic_yuv = 1;
3296                 stride = stride_32bit_1;
3297                 uv_stride = stride_32bit_1;
3298                 uv_x_off = xoffset;
3299                 uv_y_off = yoffset;
3300                 fix->line_length = stride;
3301                 uv_y_act = win->area[0].yact >> 1;
3302                 break;
3303         case YUV420:            /* nv12 */
3304         case YUV420_NV21:       /* nv21 */
3305         case YUV420_A:
3306                 is_pic_yuv = 1;
3307                 stride = stride_32bit_1;
3308                 uv_stride = stride_32bit_1;
3309                 uv_x_off = xoffset;
3310                 uv_y_off = yoffset >> 1;
3311                 fix->line_length = stride;
3312                 uv_y_act = win->area[0].yact >> 1;
3313                 break;
3314         case YUV444:
3315         case YUV444_A:
3316                 is_pic_yuv = 1;
3317                 stride = stride_32bit_1;
3318                 uv_stride = stride_32bit_2;
3319                 uv_x_off = xoffset * 2;
3320                 uv_y_off = yoffset;
3321                 fix->line_length = stride << 2;
3322                 uv_y_act = win->area[0].yact;
3323                 break;
3324         default:
3325                 stride = stride_32bit_1;        /* default rgb */
3326                 fix->line_length = stride;
3327                 break;
3328         }
3329
3330         win->area[0].format = fb_data_fmt;
3331         win->area[0].y_vir_stride = stride >> 2;
3332         win->area[0].uv_vir_stride = uv_stride >> 2;
3333         win->area[0].xpos = xpos;
3334         win->area[0].ypos = ypos;
3335         win->area[0].xsize = xsize;
3336         win->area[0].ysize = ysize;
3337         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3338         win->area[0].yact = var->yres;
3339         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3340         win->area[0].yvir = var->yres_virtual;
3341         win->area[0].xoff = xoffset;
3342         win->area[0].yoff = yoffset;
3343         win->ymirror = 0;
3344         win->state = 1;
3345         win->last_state = 1;
3346
3347         win->area_num = 1;
3348         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3349         win->alpha_en = ((win->area[0].format == ARGB888) ||
3350                          (win->area[0].format == FBDC_ARGB_888) ||
3351                          (win->area[0].format == FBDC_ABGR_888) ||
3352                          (win->area[0].format == ABGR888)) ? 1 : 0;
3353         win->g_alpha_val = 0;
3354
3355         dev_drv->ops->set_par(dev_drv, win_id);
3356
3357         return 0;
3358 }
3359
3360 static inline unsigned int chan_to_field(unsigned int chan,
3361                                          struct fb_bitfield *bf)
3362 {
3363         chan &= 0xffff;
3364         chan >>= 16 - bf->length;
3365         return chan << bf->offset;
3366 }
3367
3368 static int fb_setcolreg(unsigned regno,
3369                         unsigned red, unsigned green, unsigned blue,
3370                         unsigned transp, struct fb_info *info)
3371 {
3372         unsigned int val;
3373
3374         switch (info->fix.visual) {
3375         case FB_VISUAL_TRUECOLOR:
3376                 /* true-colour, use pseudo-palette */
3377                 if (regno < 16) {
3378                         u32 *pal = info->pseudo_palette;
3379
3380                         val = chan_to_field(red, &info->var.red);
3381                         val |= chan_to_field(green, &info->var.green);
3382                         val |= chan_to_field(blue, &info->var.blue);
3383                         pal[regno] = val;
3384                 }
3385                 break;
3386         default:
3387                 return -1;      /* unknown type */
3388         }
3389
3390         return 0;
3391 }
3392
3393 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3394 {
3395         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3396         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3397         struct ion_handle *handle = fb_par->ion_hdl;
3398         struct dma_buf *dma_buf = NULL;
3399
3400         if (IS_ERR_OR_NULL(handle)) {
3401                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3402                         PTR_ERR(handle));
3403                 return -ENOMEM;
3404         }
3405         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3406         if (IS_ERR_OR_NULL(dma_buf)) {
3407                 pr_info("get ion share dma buf failed\n");
3408                 return -ENOMEM;
3409         }
3410
3411         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3412
3413         return dma_buf_mmap(dma_buf, vma, 0);
3414 }
3415
3416 static struct fb_ops fb_ops = {
3417         .owner = THIS_MODULE,
3418         .fb_open = rk_fb_open,
3419         .fb_release = rk_fb_close,
3420         .fb_check_var = rk_fb_check_var,
3421         .fb_set_par = rk_fb_set_par,
3422         .fb_blank = rk_fb_blank,
3423         .fb_ioctl = rk_fb_ioctl,
3424         .fb_compat_ioctl = rk_fb_ioctl,
3425         .fb_pan_display = rk_fb_pan_display,
3426         .fb_read = rk_fb_read,
3427         .fb_write = rk_fb_write,
3428         .fb_setcolreg = fb_setcolreg,
3429         .fb_fillrect = cfb_fillrect,
3430         .fb_copyarea = cfb_copyarea,
3431         .fb_imageblit = cfb_imageblit,
3432 };
3433
3434 static struct fb_var_screeninfo def_var = {
3435 #if defined(CONFIG_LOGO_LINUX_BMP)
3436         .red = {16, 8, 0},
3437         .green = {8, 8, 0},
3438         .blue = {0, 8, 0},
3439         .transp = {0, 0, 0},
3440         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3441 #else
3442         .red = {11, 5, 0},
3443         .green = {5, 6, 0},
3444         .blue = {0, 5, 0},
3445         .transp = {0, 0, 0},
3446         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3447 #endif
3448         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3449         .activate = FB_ACTIVATE_NOW,
3450         .accel_flags = 0,
3451         .vmode = FB_VMODE_NONINTERLACED,
3452 };
3453
3454 static struct fb_fix_screeninfo def_fix = {
3455         .type = FB_TYPE_PACKED_PIXELS,
3456         .type_aux = 0,
3457         .xpanstep = 1,
3458         .ypanstep = 1,
3459         .ywrapstep = 0,
3460         .accel = FB_ACCEL_NONE,
3461         .visual = FB_VISUAL_TRUECOLOR,
3462
3463 };
3464
3465 static int rk_fb_wait_for_vsync_thread(void *data)
3466 {
3467         struct rk_lcdc_driver *dev_drv = data;
3468         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3469         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3470
3471         while (!kthread_should_stop()) {
3472                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3473                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3474                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3475                                 (dev_drv->vsync_info.active > 0 || dev_drv->vsync_info.irq_stop));
3476
3477                 if (!ret)
3478                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3479         }
3480
3481         return 0;
3482 }
3483
3484 static ssize_t rk_fb_vsync_show(struct device *dev,
3485                                 struct device_attribute *attr, char *buf)
3486 {
3487         struct fb_info *fbi = dev_get_drvdata(dev);
3488         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3489         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3490
3491         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3492                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3493 }
3494
3495 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3496
3497 /*
3498  * this two function is for other module that in the kernel which
3499  * need show image directly through fb
3500  * fb_id:we have 4 fb here,default we use fb0 for ui display
3501  */
3502 struct fb_info *rk_get_fb(int fb_id)
3503 {
3504         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3505         struct fb_info *fb = inf->fb[fb_id];
3506         return fb;
3507 }
3508 EXPORT_SYMBOL(rk_get_fb);
3509
3510 void rk_direct_fb_show(struct fb_info *fbi)
3511 {
3512         rk_fb_set_par(fbi);
3513         rk_fb_pan_display(&fbi->var, fbi);
3514 }
3515 EXPORT_SYMBOL(rk_direct_fb_show);
3516
3517 int rk_fb_dpi_open(bool open)
3518 {
3519         struct rk_lcdc_driver *dev_drv = NULL;
3520
3521         dev_drv = rk_get_prmry_lcdc_drv();
3522         if (dev_drv->ops->dpi_open)
3523                 dev_drv->ops->dpi_open(dev_drv, open);
3524         return 0;
3525 }
3526
3527 int rk_fb_dpi_win_sel(int win_id)
3528 {
3529         struct rk_lcdc_driver *dev_drv = NULL;
3530
3531         dev_drv = rk_get_prmry_lcdc_drv();
3532         if (dev_drv->ops->dpi_win_sel)
3533                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3534         return 0;
3535 }
3536
3537 int rk_fb_dpi_status(void)
3538 {
3539         int ret = 0;
3540         struct rk_lcdc_driver *dev_drv = NULL;
3541
3542         dev_drv = rk_get_prmry_lcdc_drv();
3543         if (dev_drv->ops->dpi_status)
3544                 ret = dev_drv->ops->dpi_status(dev_drv);
3545
3546         return ret;
3547 }
3548
3549 /*
3550  * function: this function will be called by display device, enable/disable lcdc
3551  * @screen: screen timing to be set to lcdc
3552  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3553  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3554  */
3555 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3556 {
3557         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3558         struct fb_info *info = NULL;
3559         struct rk_fb_par *fb_par = NULL;
3560         struct rk_lcdc_driver *dev_drv = NULL;
3561         struct rk_lcdc_win *win;
3562         char name[6] = {0};
3563         int i, win_id;
3564         static bool load_screen;
3565         char *envp[4];
3566         char envplcdc[32];
3567         char envpfbdev[32];
3568         int ret, list_is_empty = 0;
3569
3570         if (unlikely(!rk_fb) || unlikely(!screen))
3571                 return -ENODEV;
3572
3573         /* get lcdc driver */
3574         sprintf(name, "lcdc%d", lcdc_id);
3575         dev_drv = rk_get_lcdc_drv(name);
3576
3577         if (dev_drv == NULL) {
3578                 pr_err("%s driver not found!", name);
3579                 return -ENODEV;
3580         }
3581         if (screen->type == SCREEN_HDMI)
3582                 pr_info("hdmi %s lcdc%d\n",
3583                         enable ? "connect to" : "remove from",
3584                         dev_drv->id);
3585         else if (screen->type == SCREEN_TVOUT ||
3586                  screen->type == SCREEN_TVOUT_TEST)
3587                 pr_info("cvbs %s lcdc%d\n",
3588                         enable ? "connect to" : "remove from",
3589                         dev_drv->id);
3590         if (enable == 2 /*&& dev_drv->enable*/)
3591                 return 0;
3592         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3593                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3594
3595         mutex_lock(&dev_drv->switch_screen);
3596         dev_drv->hot_plug_state = enable;
3597         hdmi_switch_state = 0;
3598         dev_drv->hdmi_switch = 1;
3599         if (!dev_drv->uboot_logo) {
3600                 mdelay(200);
3601                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3602                                            list_empty(&dev_drv->saved_list);
3603                 if (!list_is_empty) {
3604                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3605                                                  list_empty(&dev_drv->update_regs_list) &&
3606                                                  list_empty(&dev_drv->saved_list),
3607                                                  msecs_to_jiffies(60));
3608                         if (ret <= 0)
3609                                 pr_info("%s: wait update_regs_wait timeout\n",
3610                                         __func__);
3611                 }
3612         }
3613
3614         envp[0] = "switch vop screen";
3615         memset(envplcdc, 0, sizeof(envplcdc));
3616         memset(envpfbdev, 0, sizeof(envpfbdev));
3617         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3618         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3619         envp[1] = envplcdc;
3620         envp[2] = envpfbdev;
3621         envp[3] = NULL;
3622
3623         if ((rk_fb->disp_mode == ONE_DUAL) ||
3624             (rk_fb->disp_mode == NO_DUAL)) {
3625                 if ((dev_drv->ops->backlight_close) &&
3626                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3627                         dev_drv->ops->backlight_close(dev_drv, 1);
3628                 if (!dev_drv->uboot_logo || load_screen ||
3629                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3630                         if (dev_drv->ops->dsp_black)
3631                                 dev_drv->ops->dsp_black(dev_drv, 0);
3632                 }
3633                 if ((dev_drv->ops->set_screen_scaler) &&
3634                     (rk_fb->disp_mode == ONE_DUAL))
3635                         dev_drv->ops->set_screen_scaler(dev_drv,
3636                                                         dev_drv->screen0, 0);
3637         }
3638         if (!enable) {
3639                 /* if screen type is different, we do not disable lcdc. */
3640                 if (dev_drv->cur_screen->type != screen->type) {
3641                         dev_drv->hdmi_switch = 0;
3642                         mutex_unlock(&dev_drv->switch_screen);
3643                         return 0;
3644                 }
3645
3646                 /* if used one lcdc to dual disp, no need to close win */
3647                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3648                     ((rk_fb->disp_mode == NO_DUAL) &&
3649                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3650                         dev_drv->cur_screen = dev_drv->screen0;
3651                         dev_drv->ops->load_screen(dev_drv, 1);
3652                         /* force modify dsp size */
3653                         info = rk_fb->fb[dev_drv->fb_index_base];
3654                         info->var.grayscale &= 0xff;
3655                         info->var.grayscale |=
3656                                 (dev_drv->cur_screen->mode.xres << 8) +
3657                                 (dev_drv->cur_screen->mode.yres << 20);
3658                         mutex_lock(&dev_drv->win_config);
3659                         info->var.xoffset = 0;
3660                         info->var.yoffset = 0;
3661                         info->fbops->fb_set_par(info);
3662                         info->fbops->fb_pan_display(&info->var, info);
3663                         mutex_unlock(&dev_drv->win_config);
3664
3665                         /*
3666                          * if currently is loader display, black until new
3667                          * display job.
3668                          */
3669                         if (dev_drv->uboot_logo) {
3670                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3671                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3672                                             dev_drv->ops->win_direct_en)
3673                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3674                                 }
3675                         }
3676
3677                         /*if (dev_drv->ops->dsp_black)
3678                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3679                          */
3680                         if ((dev_drv->ops->backlight_close) &&
3681                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3682                                 dev_drv->ops->backlight_close(dev_drv, 0);
3683                 } else if (rk_fb->num_lcdc > 1) {
3684                         /* If there is more than one lcdc device, we disable
3685                          *  the layer which attached to this device
3686                          */
3687                         flush_kthread_worker(&dev_drv->update_regs_worker);
3688                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3689                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3690                                         dev_drv->ops->open(dev_drv, i, 0);
3691                         }
3692                 }
3693                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3694
3695                 hdmi_switch_state = 0;
3696                 dev_drv->hdmi_switch = 0;
3697                 mutex_unlock(&dev_drv->switch_screen);
3698                 return 0;
3699         } else {
3700                 if (load_screen || (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3701                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3702                                 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3703                                         dev_drv->ops->win_direct_en)
3704                                         dev_drv->ops->win_direct_en(dev_drv, i, 0);
3705                         }
3706                 }
3707                 if (dev_drv->uboot_logo) {
3708                         if (dev_drv->cur_screen->mode.xres !=
3709                                 screen->mode.xres ||
3710                             dev_drv->cur_screen->mode.yres !=
3711                                 screen->mode.yres)
3712                                 load_screen = 1;
3713                 }
3714                 if (dev_drv->screen1)
3715                         dev_drv->cur_screen = dev_drv->screen1;
3716
3717                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3718                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3719                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3720                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3721                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3722         }
3723
3724         if (!dev_drv->uboot_logo || load_screen ||
3725             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3726                 info = rk_fb->fb[dev_drv->fb_index_base];
3727                 fb_par = (struct rk_fb_par *)info->par;
3728                 win_id = 0;
3729                 win = dev_drv->win[win_id];
3730                 if (win && fb_par->state) {
3731                         dev_drv->ops->load_screen(dev_drv, 1);
3732                         info->var.activate |= FB_ACTIVATE_FORCE;
3733                         if (rk_fb->disp_mode == ONE_DUAL) {
3734                                 info->var.grayscale &= 0xff;
3735                                 info->var.grayscale |=
3736                                         (dev_drv->cur_screen->xsize << 8) +
3737                                         (dev_drv->cur_screen->ysize << 20);
3738                         }
3739                         if (dev_drv->uboot_logo && win->state) {
3740                                 if (win->area[0].xpos ||
3741                                     win->area[0].ypos) {
3742                                         win->area[0].xpos =
3743                                                 (screen->mode.xres -
3744                                                  win->area[0].xsize) / 2;
3745                                         win->area[0].ypos =
3746                                                 (screen->mode.yres -
3747                                                  win->area[0].ysize) / 2;
3748                                 } else {
3749                                         win->area[0].xsize = screen->mode.xres;
3750                                         win->area[0].ysize = screen->mode.yres;
3751                                 }
3752                                 dev_drv->ops->set_par(dev_drv, i);
3753                                 dev_drv->ops->cfg_done(dev_drv);
3754                         } else if (!dev_drv->win[win_id]->state) {
3755                                 dev_drv->ops->open(dev_drv, win_id, 1);
3756                                 info->fbops->fb_pan_display(&info->var, info);
3757                         }
3758                 }
3759         } else {
3760                 dev_drv->ops->load_screen(dev_drv, 0);
3761         }
3762         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3763
3764         hdmi_switch_state = 1;
3765         load_screen = true;
3766         dev_drv->hdmi_switch = 0;
3767         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3768                 if ((dev_drv->ops->set_screen_scaler) &&
3769                     (rk_fb->disp_mode == ONE_DUAL))
3770                         dev_drv->ops->set_screen_scaler(dev_drv,
3771                                                         dev_drv->screen0, 1);
3772                 /*if (dev_drv->ops->dsp_black)
3773                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3774                 if ((dev_drv->ops->backlight_close) &&
3775                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3776                     (rk_fb->disp_mode == ONE_DUAL))
3777                         dev_drv->ops->backlight_close(dev_drv, 0);
3778         }
3779         mutex_unlock(&dev_drv->switch_screen);
3780         return 0;
3781 }
3782
3783 /*
3784  * function:this function current only called by hdmi for
3785  *      scale the display
3786  * scale_x: scale rate of x resolution
3787  * scale_y: scale rate of y resolution
3788  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3789  */
3790 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3791 {
3792         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3793         struct fb_info *info = NULL;
3794         struct fb_info *pmy_info = NULL;
3795         struct fb_var_screeninfo *var = NULL;
3796         struct rk_lcdc_driver *dev_drv = NULL;
3797         u16 screen_x, screen_y;
3798         u16 xpos, ypos;
3799         char name[6];
3800         struct rk_screen primary_screen;
3801
3802         rk_fb_get_prmry_screen(&primary_screen);
3803         if (primary_screen.type == SCREEN_HDMI)
3804                 return 0;
3805
3806         pr_err("should not be here--%s\n", __func__);
3807
3808         return 0;
3809         sprintf(name, "lcdc%d", lcdc_id);
3810
3811         if (inf->disp_mode == DUAL) {
3812                 dev_drv = rk_get_lcdc_drv(name);
3813                 if (!dev_drv) {
3814                         pr_err("%s driver not found!", name);
3815                         return -ENODEV;
3816                 }
3817         } else {
3818                 dev_drv = inf->lcdc_dev_drv[0];
3819         }
3820
3821         if (inf->num_lcdc == 1) {
3822                 info = inf->fb[0];
3823         } else if (inf->num_lcdc == 2) {
3824                 info = inf->fb[dev_drv->lcdc_win_num];
3825                 pmy_info = inf->fb[0];
3826         }
3827
3828         var = &info->var;
3829         screen_x = dev_drv->cur_screen->mode.xres;
3830         screen_y = dev_drv->cur_screen->mode.yres;
3831
3832         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3833                 dev_drv->cur_screen->xpos =
3834                     (screen_x - screen_x * scale_x / 100) >> 1;
3835                 dev_drv->cur_screen->ypos =
3836                     (screen_y - screen_y * scale_y / 100) >> 1;
3837                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3838                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3839         } else {
3840                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3841                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3842                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3843                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3844                 if (inf->disp_mode == ONE_DUAL) {
3845                         var->nonstd &= 0xff;
3846                         var->nonstd |= (xpos << 8) + (ypos << 20);
3847                         var->grayscale &= 0xff;
3848                         var->grayscale |=
3849                                 (dev_drv->cur_screen->xsize << 8) +
3850                                 (dev_drv->cur_screen->ysize << 20);
3851                 }
3852         }
3853
3854         mutex_lock(&dev_drv->win_config);
3855         info->fbops->fb_set_par(info);
3856         dev_drv->ops->cfg_done(dev_drv);
3857         mutex_unlock(&dev_drv->win_config);
3858
3859         return 0;
3860 }
3861
3862 #if defined(CONFIG_ION_ROCKCHIP)
3863 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3864                                      struct rk_lcdc_win *win,
3865                                      unsigned long fb_mem_size)
3866 {
3867         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3868         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3869         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3870         struct ion_handle *handle;
3871         ion_phys_addr_t phy_addr;
3872         size_t len;
3873         int ret = 0;
3874
3875         if (dev_drv->iommu_enabled)
3876                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3877                                    ION_HEAP_SYSTEM_MASK, 0);
3878         else
3879                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3880                                    ION_HEAP_TYPE_DMA_MASK, 0);
3881
3882         if (IS_ERR(handle)) {
3883                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3884                         PTR_ERR(handle));
3885                 return -ENOMEM;
3886         }
3887
3888         fb_par->ion_hdl = handle;
3889         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3890         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3891                 pr_info("ion_share_dma_buf() failed\n");
3892                 goto err_share_dma_buf;
3893         }
3894         win->area[0].ion_hdl = handle;
3895         if (dev_drv->prop == PRMRY)
3896                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3897         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3898                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3899                                     (unsigned long *)&phy_addr,
3900                                     (unsigned long *)&len);
3901         else
3902                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3903         if (ret < 0) {
3904                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3905                 goto err_share_dma_buf;
3906         }
3907         fbi->fix.smem_start = phy_addr;
3908         fbi->fix.smem_len = len;
3909         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3910         return 0;
3911
3912 err_share_dma_buf:
3913         ion_free(rk_fb->ion_client, handle);
3914         return -ENOMEM;
3915 }
3916 #endif
3917
3918 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3919 {
3920         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3921         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3922         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3923         struct rk_lcdc_win *win = NULL;
3924         int win_id;
3925         int ret = 0;
3926         unsigned long fb_mem_size;
3927 #if !defined(CONFIG_ION_ROCKCHIP)
3928         dma_addr_t fb_mem_phys;
3929         void *fb_mem_virt;
3930 #endif
3931         ion_phys_addr_t phy_addr;
3932         size_t len;
3933
3934         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3935         if (win_id < 0)
3936                 return -ENODEV;
3937         else
3938                 win = dev_drv->win[win_id];
3939
3940         if (!strcmp(fbi->fix.id, "fb0")) {
3941                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3942 #if defined(CONFIG_ION_ROCKCHIP)
3943                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3944                         return -ENOMEM;
3945 #else
3946                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3947                                                      &fb_mem_phys, GFP_KERNEL);
3948                 if (!fb_mem_virt) {
3949                         pr_err("%s: Failed to allocate framebuffer\n",
3950                                __func__);
3951                         return -ENOMEM;
3952                 }
3953                 fbi->fix.smem_len = fb_mem_size;
3954                 fbi->fix.smem_start = fb_mem_phys;
3955                 fbi->screen_base = fb_mem_virt;
3956 #endif
3957                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3958         } else {
3959                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3960                         struct rk_lcdc_driver *dev_drv_prmry;
3961                         int win_id_prmry;
3962
3963                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3964 #if defined(CONFIG_ION_ROCKCHIP)
3965                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3966                         if (dev_drv_prmry == NULL)
3967                                 return -ENODEV;
3968                         win_id_prmry =
3969                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3970                                                                  fbi->fix.id);
3971                         if (win_id_prmry < 0)
3972                                 return -ENODEV;
3973                         else
3974                                 fb_par->ion_hdl =
3975                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3976                                 fbi->screen_base =
3977                                         ion_map_kernel(rk_fb->ion_client,
3978                                                        fb_par->ion_hdl);
3979                                 dev_drv->win[win_id]->area[0].ion_hdl =
3980                                         fb_par->ion_hdl;
3981                                 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3982                                         ret = ion_map_iommu(dev_drv->dev,
3983                                                             rk_fb->ion_client,
3984                                                             fb_par->ion_hdl,
3985                                                             (unsigned long *)&phy_addr,
3986                                                             (unsigned long *)&len);
3987                                 else
3988                                         ret = ion_phys(rk_fb->ion_client,
3989                                                        fb_par->ion_hdl,
3990                                                        &phy_addr, &len);
3991                                 if (ret < 0) {
3992                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3993                                         return -ENOMEM;
3994                                 }
3995                                 fbi->fix.smem_start = phy_addr;
3996                                 fbi->fix.smem_len = len;
3997 #else
3998                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3999                                                              fb_mem_size,
4000                                                              &fb_mem_phys,
4001                                                              GFP_KERNEL);
4002                         if (!fb_mem_virt) {
4003                                 pr_err("%s: Failed to allocate framebuffer\n",
4004                                        __func__);
4005                                 return -ENOMEM;
4006                         }
4007                         fbi->fix.smem_len = fb_mem_size;
4008                         fbi->fix.smem_start = fb_mem_phys;
4009                         fbi->screen_base = fb_mem_virt;
4010 #endif
4011                 } else {
4012                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
4013                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
4014                         fbi->screen_base = rk_fb->fb[0]->screen_base;
4015                 }
4016         }
4017
4018         fbi->screen_size = fbi->fix.smem_len;
4019         fb_par->fb_phy_base = fbi->fix.smem_start;
4020         fb_par->fb_virt_base = fbi->screen_base;
4021         fb_par->fb_size = fbi->fix.smem_len;
4022
4023         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
4024                 fbi->fix.smem_start, fbi->screen_base,
4025                 fbi->fix.smem_len);
4026         return ret;
4027 }
4028
4029 #if 0
4030 static int rk_release_fb_buffer(struct fb_info *fbi)
4031 {
4032         /* buffer for fb1 and fb3 are alloc by android */
4033         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
4034                 return 0;
4035         iounmap(fbi->screen_base);
4036         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
4037         return 0;
4038 }
4039 #endif
4040
4041 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
4042                          struct rk_lcdc_win *def_win)
4043 {
4044         int i;
4045         int lcdc_win_num = dev_drv->lcdc_win_num;
4046
4047         for (i = 0; i < lcdc_win_num; i++) {
4048                 struct rk_lcdc_win *win = NULL;
4049
4050                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4051                 if (!win) {
4052                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
4053                         return -ENOMEM;
4054                 }
4055
4056                 strcpy(win->name, def_win[i].name);
4057                 win->id = def_win[i].id;
4058                 win->support_3d = def_win[i].support_3d;
4059                 win->property.feature = def_win[i].property.feature;
4060                 win->property.max_input_x = def_win[i].property.max_input_x;
4061                 win->property.max_input_y = def_win[i].property.max_input_y;
4062                 dev_drv->win[i] = win;
4063         }
4064
4065         return 0;
4066 }
4067
4068 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4069                                    struct rk_lcdc_win *def_win, int index)
4070 {
4071         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4072         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4073                                                 sizeof(struct rk_screen),
4074                                                 GFP_KERNEL);
4075         int i = 0;
4076
4077         if (!screen) {
4078                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4079                         dev_drv->id);
4080                 return -ENOMEM;
4081         }
4082
4083         screen->screen_id = 0;
4084         screen->lcdc_id = dev_drv->id;
4085         screen->overscan.left = 100;
4086         screen->overscan.top = 100;
4087         screen->overscan.right = 100;
4088         screen->overscan.bottom = 100;
4089
4090         screen->x_mirror = !!(dev_drv->rotate_mode & X_MIRROR);
4091         screen->y_mirror = !!(dev_drv->rotate_mode & Y_MIRROR);
4092
4093         dev_drv->screen0 = screen;
4094         dev_drv->cur_screen = screen;
4095         /* devie use one lcdc + rk61x scaler for dual display */
4096         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4097                 struct rk_screen *screen1 =
4098                                 devm_kzalloc(dev_drv->dev,
4099                                              sizeof(struct rk_screen),
4100                                              GFP_KERNEL);
4101                 if (!screen1) {
4102                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4103                                 dev_drv->id);
4104                         return -ENOMEM;
4105                 }
4106                 screen1->screen_id = 1;
4107                 screen1->lcdc_id = 1;
4108                 dev_drv->screen1 = screen1;
4109         }
4110         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4111         init_lcdc_win(dev_drv, def_win);
4112         init_completion(&dev_drv->frame_done);
4113         spin_lock_init(&dev_drv->cpl_lock);
4114         mutex_init(&dev_drv->fb_win_id_mutex);
4115         mutex_init(&dev_drv->win_config);
4116         mutex_init(&dev_drv->front_lock);
4117         mutex_init(&dev_drv->switch_screen);
4118         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4119         dev_drv->first_frame = 1;
4120         dev_drv->overscan.left = 100;
4121         dev_drv->overscan.top = 100;
4122         dev_drv->overscan.right = 100;
4123         dev_drv->overscan.bottom = 100;
4124         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4125                 dev_drv->area_support[i] = 1;
4126         if (dev_drv->ops->area_support_num)
4127                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4128         rk_disp_pwr_ctr_parse_dt(dev_drv);
4129         if (dev_drv->prop == PRMRY) {
4130                 rk_fb_set_prmry_screen(screen);
4131                 rk_fb_get_prmry_screen(screen);
4132         }
4133         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4134         if (dev_drv->prop != PRMRY)
4135                 rk_fb_get_extern_screen(screen);
4136         dev_drv->output_color = screen->color_mode;
4137
4138         return 0;
4139 }
4140
4141 #ifdef CONFIG_LOGO_LINUX_BMP
4142 static struct linux_logo *bmp_logo;
4143 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4144 {
4145         bmp_logo = fb_find_logo(24);
4146         if (bmp_logo == NULL) {
4147                 pr_info("%s error\n", __func__);
4148                 return 0;
4149         }
4150         return 1;
4151 }
4152
4153 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4154 {
4155         unsigned char *src = bmp_logo->data;
4156         unsigned char *dst = info->screen_base;
4157         int i;
4158         unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4159         unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4160
4161         for (i = 0; i < needheight; i++)
4162                 memcpy(dst + info->var.xres * i * 4,
4163                        src + bmp_logo->width * i * 4, needwidth * 4);
4164 }
4165 #endif
4166
4167 /*
4168  * check if the primary lcdc has registered,
4169  * the primary lcdc mas register first
4170  */
4171 bool is_prmry_rk_lcdc_registered(void)
4172 {
4173         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4174
4175         if (rk_fb->lcdc_dev_drv[0])
4176                 return true;
4177         else
4178                 return false;
4179 }
4180
4181 phys_addr_t uboot_logo_base;
4182 phys_addr_t uboot_logo_size;
4183 phys_addr_t uboot_logo_offset;
4184
4185 static int __init rockchip_uboot_mem_late_init(void)
4186 {
4187         int err;
4188
4189         if (uboot_logo_size) {
4190                 void *start = phys_to_virt(uboot_logo_base);
4191                 void *end = phys_to_virt(uboot_logo_base + uboot_logo_size);
4192
4193                 err = memblock_free(uboot_logo_base, uboot_logo_size);
4194                 if (err < 0)
4195                         pr_err("%s: freeing memblock failed: %d\n",
4196                                __func__, err);
4197                 free_reserved_area(start, end, -1, "logo");
4198         }
4199         return 0;
4200 }
4201
4202 late_initcall(rockchip_uboot_mem_late_init);
4203
4204 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4205                    struct rk_lcdc_win *win, int id)
4206 {
4207         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4208         struct fb_info *fbi;
4209         struct rk_fb_par *fb_par = NULL;
4210         int i = 0, ret = 0, index = 0;
4211         unsigned long flags;
4212         char time_line_name[16];
4213         int mirror = 0;
4214
4215         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4216                 return -ENXIO;
4217
4218         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4219                 if (!rk_fb->lcdc_dev_drv[i]) {
4220                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4221                         rk_fb->lcdc_dev_drv[i]->id = id;
4222                         rk_fb->num_lcdc++;
4223                         break;
4224                 }
4225         }
4226
4227         index = i;
4228         init_lcdc_device_driver(rk_fb, win, index);
4229         dev_drv->fb_index_base = rk_fb->num_fb;
4230         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4231                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4232                 if (!fbi) {
4233                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4234                         ret = -ENOMEM;
4235                 }
4236                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4237                                       GFP_KERNEL);
4238                 if (!fb_par) {
4239                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4240                                 rk_fb->num_fb);
4241                         return -ENOMEM;
4242                 }
4243                 fb_par->id = rk_fb->num_fb;
4244                 fb_par->lcdc_drv = dev_drv;
4245                 fbi->par = (void *)fb_par;
4246                 fbi->var = def_var;
4247                 fbi->fix = def_fix;
4248                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4249                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4250                 if (dev_drv->dsp_mode == ONE_VOP_DUAL_MIPI_VER_SCAN) {
4251                         fbi->var.xres /= 2;
4252                         fbi->var.yres *= 2;
4253                         fbi->var.xres_virtual /= 2;
4254                         fbi->var.yres_virtual *= 2;
4255                 }
4256                 fbi->var.width = dev_drv->cur_screen->width;
4257                 fbi->var.height = dev_drv->cur_screen->height;
4258                 fbi->var.grayscale |=
4259                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4260 #if defined(CONFIG_LOGO_LINUX_BMP)
4261                 fbi->var.bits_per_pixel = 32;
4262 #else
4263                 fbi->var.bits_per_pixel = 16;
4264 #endif
4265                 fbi->fix.line_length =
4266                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4267                 if (dev_drv->iommu_enabled)
4268                         fb_ops.fb_mmap = rk_fb_mmap;
4269                 fbi->fbops = &fb_ops;
4270                 fbi->flags = FBINFO_FLAG_DEFAULT;
4271                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4272                 ret = register_framebuffer(fbi);
4273                 if (ret < 0) {
4274                         dev_err(&fb_pdev->dev,
4275                                 "%s fb%d register_framebuffer fail!\n",
4276                                 __func__, rk_fb->num_fb);
4277                         return ret;
4278                 }
4279                 rkfb_create_sysfs(fbi);
4280                 rk_fb->fb[rk_fb->num_fb] = fbi;
4281                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4282                          fbi->fix.id);
4283                 rk_fb->num_fb++;
4284
4285                 if (i == 0) {
4286                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4287                         init_waitqueue_head(&dev_drv->update_regs_wait);
4288                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4289                         if (ret)
4290                                 dev_err(fbi->dev,
4291                                         "failed to create vsync file\n");
4292                         dev_drv->vsync_info.thread =
4293                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4294                                         "fb-vsync");
4295                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4296                                 dev_err(fbi->dev,
4297                                         "failed to run vsync thread\n");
4298                                 dev_drv->vsync_info.thread = NULL;
4299                         }
4300                         dev_drv->vsync_info.active = 1;
4301
4302                         mutex_init(&dev_drv->output_lock);
4303
4304                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4305                         INIT_LIST_HEAD(&dev_drv->saved_list);
4306                         mutex_init(&dev_drv->update_regs_list_lock);
4307                         init_kthread_worker(&dev_drv->update_regs_worker);
4308
4309                         dev_drv->update_regs_thread =
4310                             kthread_run(kthread_worker_fn,
4311                                         &dev_drv->update_regs_worker, "rk-fb");
4312                         if (IS_ERR(dev_drv->update_regs_thread)) {
4313                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4314
4315                                 dev_drv->update_regs_thread = NULL;
4316                                 pr_info("failed to run update_regs thread\n");
4317                                 return err;
4318                         }
4319                         init_kthread_work(&dev_drv->update_regs_work,
4320                                           rk_fb_update_regs_handler);
4321
4322                         snprintf(time_line_name, sizeof(time_line_name),
4323                                  "vop%d-timeline", id);
4324                         dev_drv->timeline =
4325                             sw_sync_timeline_create(time_line_name);
4326                         dev_drv->timeline_max = 1;
4327                 }
4328         }
4329
4330         /* show logo for primary display device */
4331 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4332         if (dev_drv->prop == PRMRY) {
4333                 u16 xact, yact;
4334                 int format;
4335                 u32 dsp_addr;
4336                 struct fb_info *main_fbi = rk_fb->fb[0];
4337
4338                 main_fbi->fbops->fb_open(main_fbi, 1);
4339                 main_fbi->var.pixclock = dev_drv->pixclock;
4340                 if (dev_drv->iommu_enabled) {
4341                         if (dev_drv->mmu_dev)
4342                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4343                                                 rk_fb_sysmmu_fault_handler);
4344                 }
4345
4346                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4347                 dev_drv->uboot_logo = support_uboot_display();
4348
4349                 if (dev_drv->uboot_logo &&
4350                     uboot_logo_offset && uboot_logo_base) {
4351                         int width, height, bits, xvir;
4352                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4353                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4354                         unsigned int nr_pages;
4355                         int ymirror = 0;
4356                         struct page **pages;
4357                         char *vaddr;
4358                         int logo_len, i = 0;
4359
4360                         if (dev_drv->ops->get_dspbuf_info)
4361                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4362                                         &yact, &format, &dsp_addr, &ymirror);
4363                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4364                         nr_pages = size >> PAGE_SHIFT;
4365                         pages = kzalloc(sizeof(struct page) * nr_pages,
4366                                         GFP_KERNEL);
4367                         while (i < nr_pages) {
4368                                 pages[i] = phys_to_page(start);
4369                                 start += PAGE_SIZE;
4370                                 i++;
4371                         }
4372                         vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4373                         if (!vaddr) {
4374                                 pr_err("failed to vmap phy addr 0x%lx\n",
4375                                        (long)(uboot_logo_base +
4376                                        uboot_logo_offset));
4377                                 return -1;
4378                         }
4379
4380                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4381                                        &height, &bits)) {
4382                                 kfree(pages);
4383                                 vunmap(vaddr);
4384                                 return 0;
4385                         }
4386                         kfree(pages);
4387                         vunmap(vaddr);
4388                         if (dev_drv->uboot_logo &&
4389                             (width != xact || height != yact)) {
4390                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4391                                        xact, yact, width, height);
4392                                 return 0;
4393                         }
4394                         xvir = ALIGN(width * bits, 1 << 5) >> 5;
4395                         ymirror = 0;
4396                         local_irq_save(flags);
4397                         if (dev_drv->ops->wait_frame_start)
4398                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4399                         mirror = ymirror || dev_drv->cur_screen->y_mirror;
4400                         if (dev_drv->ops->post_dspbuf) {
4401                                 dev_drv->ops->post_dspbuf(dev_drv,
4402                                         main_fbi->fix.smem_start +
4403                                         (mirror ? logo_len : 0),
4404                                         rk_fb_data_fmt(0, bits),
4405                                         width, height, xvir,
4406                                         ymirror);
4407                         }
4408                         if (dev_drv->iommu_enabled) {
4409                                 rk_fb_poll_wait_frame_complete();
4410                                 if (dev_drv->ops->mmu_en)
4411                                         dev_drv->ops->mmu_en(dev_drv);
4412                                 freed_index = 0;
4413                         }
4414                         local_irq_restore(flags);
4415                         return 0;
4416                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4417                         u32 start = uboot_logo_base;
4418                         int logo_len, i = 0;
4419                         int y_mirror = 0;
4420                         unsigned int nr_pages;
4421                         struct page **pages;
4422                         char *vaddr;
4423                         int align = 0, xvir;
4424
4425                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4426                                                       &yact, &format,
4427                                                       &start,
4428                                                       &y_mirror);
4429                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4430                         if (logo_len > uboot_logo_size ||
4431                             logo_len > main_fbi->fix.smem_len) {
4432                                 pr_err("logo size > uboot reserve buffer size\n");
4433                                 return -1;
4434                         }
4435                         if (y_mirror)
4436                                 start -= logo_len;
4437
4438                         align = start % PAGE_SIZE;
4439                         start -= align;
4440                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4441                         pages = kzalloc(sizeof(struct page) * nr_pages,
4442                                         GFP_KERNEL);
4443                         while (i < nr_pages) {
4444                                 pages[i] = phys_to_page(start);
4445                                 start += PAGE_SIZE;
4446                                 i++;
4447                         }
4448                         vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4449                         if (!vaddr) {
4450                                 pr_err("failed to vmap phy addr 0x%x\n",
4451                                        start);
4452                                 return -1;
4453                         }
4454
4455                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4456
4457                         kfree(pages);
4458                         vunmap(vaddr);
4459                         xvir = ALIGN(xact * rk_fb_pixel_width(format),
4460                                      1 << 5) >> 5;
4461                         local_irq_save(flags);
4462                         if (dev_drv->ops->wait_frame_start)
4463                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4464                         mirror = y_mirror || dev_drv->cur_screen->y_mirror;
4465                         dev_drv->ops->post_dspbuf(dev_drv,
4466                                         main_fbi->fix.smem_start +
4467                                         (mirror ? logo_len : 0),
4468                                         format, xact, yact,
4469                                         xvir,
4470                                         y_mirror);
4471                         if (dev_drv->iommu_enabled) {
4472                                 rk_fb_poll_wait_frame_complete();
4473                                 if (dev_drv->ops->mmu_en)
4474                                         dev_drv->ops->mmu_en(dev_drv);
4475                                 freed_index = 0;
4476                         }
4477                         local_irq_restore(flags);
4478                         return 0;
4479                 } else {
4480                         if (dev_drv->iommu_enabled) {
4481                                 if (dev_drv->ops->mmu_en)
4482                                         dev_drv->ops->mmu_en(dev_drv);
4483                                 freed_index = 0;
4484                         }
4485                 }
4486 #if defined(CONFIG_LOGO)
4487                 main_fbi->fbops->fb_set_par(main_fbi);
4488 #if  defined(CONFIG_LOGO_LINUX_BMP)
4489                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4490                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4491                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4492                 }
4493 #else
4494                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4495                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4496                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4497                 }
4498 #endif
4499                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4500 #endif
4501         } else {
4502                 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4503
4504                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4505                 if (rk_fb->disp_mode == DUAL_LCD) {
4506                         extend_fbi->fbops->fb_open(extend_fbi, 1);
4507                         if (dev_drv->iommu_enabled) {
4508                                 if (dev_drv->mmu_dev)
4509                                         rockchip_iovmm_set_fault_handler(dev_drv->dev,
4510                                                                          rk_fb_sysmmu_fault_handler);
4511                         }
4512                         rk_fb_alloc_buffer(extend_fbi);
4513                 }
4514         }
4515 #endif
4516         return 0;
4517 }
4518
4519 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4520 {
4521         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4522         struct fb_info *fbi;
4523         int fb_index_base = dev_drv->fb_index_base;
4524         int fb_num = dev_drv->lcdc_win_num;
4525         int i = 0;
4526
4527         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4528                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4529                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4530         }
4531
4532         for (i = 0; i < fb_num; i++)
4533                 kfree(dev_drv->win[i]);
4534
4535         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4536                 fbi = fb_inf->fb[i];
4537                 unregister_framebuffer(fbi);
4538                 /* rk_release_fb_buffer(fbi); */
4539                 framebuffer_release(fbi);
4540         }
4541         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4542         fb_inf->num_lcdc--;
4543
4544         return 0;
4545 }
4546
4547 int rk_fb_set_car_reverse_status(struct rk_lcdc_driver *dev_drv,
4548                                  int status)
4549 {
4550         char *envp[3] = {"Request", "FORCE UPDATE", NULL};
4551
4552         if (status) {
4553                 car_reversing = 1;
4554                 flush_kthread_worker(&dev_drv->update_regs_worker);
4555                 dev_drv->timeline_max++;
4556 #ifdef H_USE_FENCE
4557                 sw_sync_timeline_inc(dev_drv->timeline, 1);
4558 #endif
4559                 pr_debug("%s: camcap reverse start...\n", __func__);
4560         } else {
4561                 car_reversing = 0;
4562                 kobject_uevent_env(&dev_drv->dev->kobj,
4563                                    KOBJ_CHANGE, envp);
4564                 pr_debug("%s: camcap reverse finish...\n", __func__);
4565         }
4566
4567         return 0;
4568 }
4569
4570 static int rk_fb_probe(struct platform_device *pdev)
4571 {
4572         struct rk_fb *rk_fb = NULL;
4573         struct device_node *np = pdev->dev.of_node;
4574         u32 mode, ret;
4575         struct device_node *node;
4576
4577         if (!np) {
4578                 dev_err(&pdev->dev, "Missing device tree node.\n");
4579                 return -EINVAL;
4580         }
4581
4582         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4583         if (!rk_fb) {
4584                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4585                 return -ENOMEM;
4586         }
4587         platform_set_drvdata(pdev, rk_fb);
4588
4589         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4590                 rk_fb->disp_mode = mode;
4591
4592         } else {
4593                 dev_err(&pdev->dev, "no disp-mode node found!");
4594                 return -ENODEV;
4595         }
4596
4597         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4598                 rk_fb->disp_policy = mode;
4599                 pr_info("fb disp policy is %s\n",
4600                         rk_fb->disp_policy ? "box" : "sdk");
4601         }
4602
4603         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4604                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4605
4606         dev_set_name(&pdev->dev, "rockchip-fb");
4607 #if defined(CONFIG_ION_ROCKCHIP)
4608         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4609         if (IS_ERR(rk_fb->ion_client)) {
4610                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4611                 return PTR_ERR(rk_fb->ion_client);
4612         } else {
4613                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4614         }
4615 #endif
4616
4617         node = of_parse_phandle(np, "memory-region", 0);
4618         if (node) {
4619                 struct resource r;
4620
4621                 ret = of_address_to_resource(node, 0, &r);
4622                 if (ret)
4623                         return ret;
4624
4625                 if (uboot_logo_on) {
4626                         uboot_logo_base = r.start;
4627                         uboot_logo_size = resource_size(&r);
4628
4629                         if (uboot_logo_size > SZ_16M)
4630                                 uboot_logo_offset = SZ_16M;
4631                         else
4632                                 uboot_logo_offset = 0;
4633                 }
4634                 pr_info("logo: base=0x%llx, size=0x%llx, offset=0x%llx\n",
4635                         uboot_logo_base, uboot_logo_size, uboot_logo_offset);
4636         }
4637
4638         fb_pdev = pdev;
4639         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4640         return 0;
4641 }
4642
4643 static int rk_fb_remove(struct platform_device *pdev)
4644 {
4645         platform_set_drvdata(pdev, NULL);
4646         return 0;
4647 }
4648
4649 static void rk_fb_shutdown(struct platform_device *pdev)
4650 {
4651         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4652         int i;
4653
4654         for (i = 0; i < rk_fb->num_lcdc; i++) {
4655                 if (!rk_fb->lcdc_dev_drv[i])
4656                         continue;
4657                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4658         }
4659 }
4660
4661 static const struct of_device_id rkfb_dt_ids[] = {
4662         {.compatible = "rockchip,rk-fb",},
4663         {}
4664 };
4665
4666 static struct platform_driver rk_fb_driver = {
4667         .probe = rk_fb_probe,
4668         .remove = rk_fb_remove,
4669         .driver = {
4670                    .name = "rk-fb",
4671                    .owner = THIS_MODULE,
4672                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4673                    },
4674         .shutdown = rk_fb_shutdown,
4675 };
4676
4677 static int __init rk_fb_init(void)
4678 {
4679         return platform_driver_register(&rk_fb_driver);
4680 }
4681
4682 static void __exit rk_fb_exit(void)
4683 {
4684         platform_driver_unregister(&rk_fb_driver);
4685 }
4686
4687 fs_initcall(rk_fb_init);
4688 module_exit(rk_fb_exit);