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 == 1) || (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 = reg_win_data->reg_area_data[i].y_offset +
2423                                 reg_win_data->reg_area_data[i].xvir *
2424                                 reg_win_data->reg_area_data[i].yact *
2425                                 pixel_width / 8 -
2426                                 reg_win_data->reg_area_data[i].xoff*
2427                                 pixel_width / 8;
2428                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2429                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2430                                        "yact[%d]*bpp[%d]"
2431                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2432                                        fb_data_fmt,
2433                                        reg_win_data->reg_area_data[i].xvir,
2434                                        reg_win_data->reg_area_data[i].yact,
2435                                        pixel_width, buff_len,
2436                                        reg_win_data->reg_area_data[i].buff_len);
2437                 }
2438         }
2439
2440         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2441         reg_win_data->alpha_en = ppixel_a | global_a;
2442         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2443         reg_win_data->alpha_mode = win_par->alpha_mode;
2444
2445         switch (fb_data_fmt) {
2446         case YUV422:
2447         case YUV422_A:
2448                 is_pic_yuv = 1;
2449                 stride = stride_32bit_1;
2450                 uv_stride = stride_32bit_1;
2451                 uv_x_off = xoffset;
2452                 uv_y_off = yoffset;
2453                 fix->line_length = stride;
2454                 uv_y_act = win_par->area_par[0].yact >> 1;
2455                 break;
2456         case YUV420:            /* nv12 */
2457         case YUV420_NV21:       /* nv21 */
2458         case YUV420_A:
2459                 is_pic_yuv = 1;
2460                 stride = stride_32bit_1;
2461                 uv_stride = stride_32bit_1;
2462                 uv_x_off = xoffset;
2463                 uv_y_off = yoffset >> 1;
2464                 fix->line_length = stride;
2465                 uv_y_act = win_par->area_par[0].yact >> 1;
2466                 break;
2467         case YUV444:
2468         case YUV444_A:
2469                 is_pic_yuv = 1;
2470                 stride = stride_32bit_1;
2471                 uv_stride = stride_32bit_2;
2472                 uv_x_off = xoffset * 2;
2473                 uv_y_off = yoffset;
2474                 fix->line_length = stride << 2;
2475                 uv_y_act = win_par->area_par[0].yact;
2476                 break;
2477         default:
2478                 break;
2479         }
2480         if (is_pic_yuv == 1) {
2481                 reg_win_data->reg_area_data[0].cbr_start =
2482                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2483                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2484                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2485                         if (screen->interlace == 1) {
2486                                 reg_win_data->reg_area_data[0].c_offset =
2487                                     uv_y_off * uv_stride * 2 +
2488                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2489                                     uv_x_off * pixel_width / 8;
2490                         } else {
2491                                 reg_win_data->reg_area_data[0].c_offset =
2492                                     uv_y_off * uv_stride +
2493                                     (uv_y_act - 1) * uv_stride +
2494                                     uv_x_off * pixel_width / 8;
2495                         }
2496                 } else {
2497                         if (screen->interlace == 1) {
2498                                 reg_win_data->reg_area_data[0].c_offset =
2499                                     uv_y_off * uv_stride * 2 +
2500                                     uv_x_off * pixel_width / 8;
2501                         } else {
2502                                 reg_win_data->reg_area_data[0].c_offset =
2503                                     uv_y_off * uv_stride +
2504                                     uv_x_off * pixel_width / 8;
2505                         }
2506                 }
2507                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2508                         reg_win_data->reg_area_data[0].c_offset +
2509                         reg_win_data->reg_area_data[0].xvir *
2510                         reg_win_data->reg_area_data[0].yact *
2511                         pixel_width / 16 -
2512                         reg_win_data->reg_area_data[0].smem_start -
2513                         reg_win_data->reg_area_data[0].xoff*
2514                         pixel_width / 16;
2515                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2516                      dev_drv->iommu_enabled)
2517                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2518                                "yact[%d]*bpp[%d]"
2519                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2520                                fb_data_fmt,
2521                                reg_win_data->reg_area_data[0].xvir,
2522                                reg_win_data->reg_area_data[0].yact,
2523                                pixel_width, buff_len,
2524                                reg_win_data->reg_area_data[0].buff_len);
2525         }
2526
2527         /* record buffer information for rk_fb_disp_scale to prevent fence
2528          * timeout because rk_fb_disp_scale will call function
2529          * info->fbops->fb_set_par(info);
2530          * delete by hjc for new hdmi overscan framework.
2531          */
2532         /* info->var.yoffset = yoffset;
2533          * info->var.xoffset = xoffset;
2534          */
2535         return 0;
2536 }
2537
2538 static int rk_fb_set_win_config(struct fb_info *info,
2539                                 struct rk_fb_win_cfg_data *win_data)
2540 {
2541         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2542         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2543         struct rk_fb_reg_data *regs;
2544 #ifdef H_USE_FENCE
2545         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2546         struct sync_fence *retire_fence;
2547         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2548         struct sync_pt *retire_sync_pt;
2549         char fence_name[20];
2550 #endif
2551         int ret = 0, i, j = 0;
2552         int list_is_empty = 0;
2553         struct rk_screen *screen = dev_drv->cur_screen;
2554
2555         mutex_lock(&dev_drv->output_lock);
2556
2557         for (i = 0; i < 4; i++) {
2558                 for (j = 0; j < 4; j++) {
2559                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2560                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2561                                 ret += rk_fb_check_config_var(
2562                                         &win_data->win_par[i].area_par[j],
2563                                         screen);
2564                 }
2565         }
2566         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2567                 dev_drv->timeline_max++;
2568                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2569                 if (dev_drv->suspend_flag)
2570                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2571                 else if (dev_drv->hdmi_switch)
2572                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2573                 else
2574                         pr_err("error config ,ignore\n");
2575                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2576                         win_data->rel_fence_fd[j] = -1;
2577                 win_data->ret_fence_fd = -1;
2578                 goto err;
2579         }
2580
2581         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2582         if (!regs) {
2583                 pr_info("could not allocate rk_fb_reg_data\n");
2584                 ret = -ENOMEM;
2585                 goto err;
2586         }
2587
2588         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2589                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2590                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2591                                                  &regs->reg_win_data[j])) {
2592                                 ret = -ENOMEM;
2593                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2594                                 goto err2;
2595                         }
2596                         if (regs->reg_win_data[j].area_num > 0) {
2597                                 regs->win_num++;
2598                                 regs->buf_num +=
2599                                     regs->reg_win_data[j].area_buf_num;
2600                         }
2601                         j++;
2602                 } else {
2603                         pr_info("error:win_id bigger than lcdc_win_num\n");
2604                         pr_info("i=%d,win_id=%d\n", i,
2605                                 win_data->win_par[i].win_id);
2606                 }
2607         }
2608         if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2609                 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2610                                     &regs->reg_wb_data);
2611         if (regs->win_num <= 0)
2612                 goto err_null_frame;
2613
2614         dev_drv->timeline_max++;
2615 #ifdef H_USE_FENCE
2616         win_data->ret_fence_fd = get_unused_fd_flags(0);
2617         if (win_data->ret_fence_fd < 0) {
2618                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2619                 win_data->ret_fence_fd = -1;
2620                 ret = -EFAULT;
2621                 goto err2;
2622         }
2623         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2624                 if (i < regs->buf_num) {
2625                         sprintf(fence_name, "fence%d", i);
2626                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2627                         if (win_data->rel_fence_fd[i] < 0) {
2628                                 pr_info("rel_fence_fd=%d\n",
2629                                         win_data->rel_fence_fd[i]);
2630                                 ret = -EFAULT;
2631                                 goto err2;
2632                         }
2633                         release_sync_pt[i] =
2634                             sw_sync_pt_create(dev_drv->timeline,
2635                                               dev_drv->timeline_max);
2636                         release_fence[i] =
2637                             sync_fence_create(fence_name, release_sync_pt[i]);
2638                         sync_fence_install(release_fence[i],
2639                                            win_data->rel_fence_fd[i]);
2640                 } else {
2641                         win_data->rel_fence_fd[i] = -1;
2642                 }
2643         }
2644
2645         retire_sync_pt =
2646             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2647         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2648         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2649 #else
2650         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2651                 win_data->rel_fence_fd[i] = -1;
2652
2653         win_data->ret_fence_fd = -1;
2654 #endif
2655         if (dev_drv->wait_fs == 0) {
2656                 mutex_lock(&dev_drv->update_regs_list_lock);
2657                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2658                 mutex_unlock(&dev_drv->update_regs_list_lock);
2659                 queue_kthread_work(&dev_drv->update_regs_worker,
2660                                    &dev_drv->update_regs_work);
2661         } else {
2662                 mutex_lock(&dev_drv->update_regs_list_lock);
2663                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2664                                         list_empty(&dev_drv->saved_list);
2665                 mutex_unlock(&dev_drv->update_regs_list_lock);
2666                 if (!list_is_empty) {
2667                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2668                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2669                                 msecs_to_jiffies(60));
2670                         if (ret > 0)
2671                                 rk_fb_update_reg(dev_drv, regs);
2672                         else
2673                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2674                 } else if (ret == 0) {
2675                         rk_fb_update_reg(dev_drv, regs);
2676                 }
2677         }
2678         if (rk_fb_debug_lvl > 0)
2679                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2680         if (rk_fb_iommu_debug > 0)
2681                 rk_fb_config_backup(dev_drv, win_data, regs);
2682 err:
2683         mutex_unlock(&dev_drv->output_lock);
2684         return ret;
2685 err_null_frame:
2686         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2687                 win_data->rel_fence_fd[j] = -1;
2688         win_data->ret_fence_fd = -1;
2689         pr_info("win num = %d,null frame\n", regs->win_num);
2690 err2:
2691         rk_fb_config_debug(dev_drv, win_data, regs, 0);
2692         kfree(regs);
2693         mutex_unlock(&dev_drv->output_lock);
2694
2695         return ret;
2696 }
2697
2698 #if 1
2699 static int cfgdone_distlist[10] = { 0 };
2700
2701 static int cfgdone_index;
2702 static int cfgdone_lasttime;
2703
2704 int rk_get_real_fps(int before)
2705 {
2706         struct timespec now;
2707         int dist_curr;
2708         int dist_total = 0;
2709         int dist_count = 0;
2710         int dist_first = 0;
2711
2712         int index = cfgdone_index;
2713         int i = 0, fps = 0;
2714         int total;
2715
2716         if (before > 100)
2717                 before = 100;
2718         if (before < 0)
2719                 before = 0;
2720
2721         getnstimeofday(&now);
2722         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2723                         cfgdone_lasttime;
2724         total = dist_curr;
2725         for (i = 0; i < 10; i++) {
2726                 if (--index < 0)
2727                         index = 9;
2728                 total += cfgdone_distlist[index];
2729                 if (i == 0)
2730                         dist_first = cfgdone_distlist[index];
2731                 if (total < (before * 1000)) {
2732                         dist_total += cfgdone_distlist[index];
2733                         dist_count++;
2734                 } else {
2735                         break;
2736                 }
2737         }
2738
2739         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2740         dist_total += dist_curr;
2741         dist_count++;
2742
2743         if (dist_total > 0)
2744                 fps = (1000000 * dist_count) / dist_total;
2745         else
2746                 fps = 60;
2747
2748         return fps;
2749 }
2750 EXPORT_SYMBOL(rk_get_real_fps);
2751
2752 #endif
2753 #define ION_MAX 10
2754 static struct ion_handle *ion_hanle[ION_MAX];
2755 static struct ion_handle *ion_hwc[1];
2756 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2757                        unsigned long arg)
2758 {
2759         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2760         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2761         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2762         struct fb_fix_screeninfo *fix = &info->fix;
2763         struct rk_lcdc_win *win;
2764         int enable;     /* enable fb:1 enable;0 disable */
2765         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2766         int num_buf;    /* buffer_number */
2767         int ret = 0;
2768         struct rk_fb_win_cfg_data win_data;
2769         unsigned int dsp_addr[4][4];
2770         int list_stat;
2771
2772         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2773         void __user *argp = (void __user *)arg;
2774
2775         win = dev_drv->win[win_id];
2776         switch (cmd) {
2777         case RK_FBIOSET_HWC_ADDR:
2778         {
2779                 u32 hwc_phy[1];
2780
2781                 if (copy_from_user(hwc_phy, argp, 4))
2782                         return -EFAULT;
2783                 if (!dev_drv->iommu_enabled) {
2784                         fix->smem_start = hwc_phy[0];
2785                 } else {
2786                         int usr_fd;
2787                         struct ion_handle *hdl;
2788                         ion_phys_addr_t phy_addr;
2789                         size_t len;
2790
2791                         usr_fd = hwc_phy[0];
2792                         if (!usr_fd) {
2793                                 fix->smem_start = 0;
2794                                 fix->mmio_start = 0;
2795                                 dev_drv->ops->open(dev_drv, win_id, 0);
2796                                 break;
2797                         }
2798
2799                         if (ion_hwc[0] != 0) {
2800                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2801                                 ion_hwc[0] = 0;
2802                         }
2803
2804                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2805                         if (IS_ERR(hdl)) {
2806                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2807                                         PTR_ERR(hdl));
2808                                 return -EFAULT;
2809                         }
2810
2811                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2812                                             (unsigned long *)&phy_addr,
2813                                             (unsigned long *)&len);
2814                         if (ret < 0) {
2815                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2816                                 ion_free(rk_fb->ion_client, hdl);
2817                                 return -ENOMEM;
2818                         }
2819                         fix->smem_start = phy_addr;
2820                         ion_hwc[0] = hdl;
2821                 }
2822                 break;
2823         }
2824         case RK_FBIOSET_YUV_ADDR:
2825                 {
2826                         u32 yuv_phy[2];
2827
2828                         if (copy_from_user(yuv_phy, argp, 8))
2829                                 return -EFAULT;
2830                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2831                                 fix->smem_start = yuv_phy[0];
2832                                 fix->mmio_start = yuv_phy[1];
2833                         } else {
2834                                 int usr_fd, offset, tmp;
2835                                 struct ion_handle *hdl;
2836                                 ion_phys_addr_t phy_addr;
2837                                 size_t len;
2838
2839                                 usr_fd = yuv_phy[0];
2840                                 offset = yuv_phy[1] - yuv_phy[0];
2841                                 if (!usr_fd) {
2842                                         fix->smem_start = 0;
2843                                         fix->mmio_start = 0;
2844                                         break;
2845                                 }
2846
2847                                 if (ion_hanle[ION_MAX - 1] != 0) {
2848                                         /*ion_unmap_kernel(rk_fb->ion_client,
2849                                          *      ion_hanle[ION_MAX - 1]);
2850                                          *ion_unmap_iommu(dev_drv->dev,
2851                                          *      rk_fb->ion_client,
2852                                          *      ion_hanle[ION_MAX - 1]);
2853                                          */
2854                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2855                                         ion_hanle[ION_MAX - 1] = 0;
2856                                 }
2857
2858                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2859                                 if (IS_ERR(hdl)) {
2860                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2861                                                 PTR_ERR(hdl));
2862                                         return -EFAULT;
2863                                 }
2864
2865                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2866                                                     (unsigned long *)&phy_addr,
2867                                                     (unsigned long *)&len);
2868                                 if (ret < 0) {
2869                                         dev_err(info->dev, "ion map to get phy addr failed");
2870                                         ion_free(rk_fb->ion_client, hdl);
2871                                         return -ENOMEM;
2872                                 }
2873                                 fix->smem_start = phy_addr;
2874                                 fix->mmio_start = phy_addr + offset;
2875                                 fix->smem_len = len;
2876                                 /*info->screen_base =
2877                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2878                                  */
2879                                 ion_hanle[0] = hdl;
2880                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2881                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2882                                 ion_hanle[0] = 0;
2883                         }
2884                         break;
2885                 }
2886         case RK_FBIOSET_ENABLE:
2887                 if (copy_from_user(&enable, argp, sizeof(enable)))
2888                         return -EFAULT;
2889                                 if (enable && fb_par->state)
2890                                         fb_par->state++;
2891                                 else
2892                                         fb_par->state--;
2893                 dev_drv->ops->open(dev_drv, win_id, enable);
2894                 break;
2895         case RK_FBIOGET_ENABLE:
2896                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2897                 if (copy_to_user(argp, &enable, sizeof(enable)))
2898                         return -EFAULT;
2899                 break;
2900         case RK_FBIOSET_OVERLAY_STA:
2901                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2902                         return -EFAULT;
2903                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2904                 break;
2905         case RK_FBIOGET_OVERLAY_STA:
2906                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2907                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2908                         return -EFAULT;
2909                 break;
2910         case RK_FBIOPUT_NUM_BUFFERS:
2911                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2912                         return -EFAULT;
2913                 dev_drv->num_buf = num_buf;
2914                 break;
2915         case RK_FBIOSET_VSYNC_ENABLE:
2916                 if (copy_from_user(&enable, argp, sizeof(enable)))
2917                         return -EFAULT;
2918                 if (enable)
2919                         dev_drv->vsync_info.active++;
2920                 else
2921                         dev_drv->vsync_info.active--;
2922                 break;
2923         case RK_FBIOGET_DSP_ADDR:
2924                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2925                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2926                         return -EFAULT;
2927                 break;
2928         case RK_FBIOGET_LIST_STA:
2929                 list_stat = rk_fb_get_list_stat(dev_drv);
2930                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2931                         return -EFAULT;
2932
2933                 break;
2934         case RK_FBIOGET_IOMMU_STA:
2935                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2936                                  sizeof(dev_drv->iommu_enabled)))
2937                         return -EFAULT;
2938                 break;
2939 #if defined(CONFIG_ION_ROCKCHIP)
2940         case RK_FBIOSET_DMABUF_FD:
2941                 {
2942                         int usr_fd;
2943                         struct ion_handle *hdl;
2944                         ion_phys_addr_t phy_addr;
2945                         size_t len;
2946
2947                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2948                                 return -EFAULT;
2949
2950                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2951                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2952                         fix->smem_start = phy_addr;
2953                         break;
2954                 }
2955         case RK_FBIOGET_DMABUF_FD:
2956                 {
2957                         int fd = -1;
2958
2959                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2960                                 dev_err(info->dev,
2961                                         "get dma_buf fd failed,ion handle is err\n");
2962                                 return PTR_ERR(fb_par->ion_hdl);
2963                         }
2964                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2965                                                   fb_par->ion_hdl);
2966                         if (fd < 0) {
2967                                 dev_err(info->dev,
2968                                         "ion_share_dma_buf_fd failed\n");
2969                                 return fd;
2970                         }
2971                         if (copy_to_user(argp, &fd, sizeof(fd)))
2972                                 return -EFAULT;
2973                         break;
2974                 }
2975 #endif
2976         case RK_FBIOSET_CLEAR_FB:
2977                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2978                 break;
2979         case RK_FBIOSET_CONFIG_DONE:
2980                 {
2981                         int curr = 0;
2982                         struct timespec now;
2983
2984                         getnstimeofday(&now);
2985                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2986                         cfgdone_distlist[cfgdone_index++] =
2987                                 curr - cfgdone_lasttime;
2988                         cfgdone_lasttime = curr;
2989                         if (cfgdone_index >= 10)
2990                                 cfgdone_index = 0;
2991                 }
2992                 if (is_car_camcap()) {
2993                         int i = 0;
2994
2995                         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2996                                 win_data.rel_fence_fd[i] = -1;
2997
2998                         win_data.ret_fence_fd = -1;
2999                         goto cam_exit;
3000                 }
3001                 if (copy_from_user(&win_data,
3002                                    (struct rk_fb_win_cfg_data __user *)argp,
3003                                    sizeof(win_data))) {
3004                         ret = -EFAULT;
3005                         break;
3006                 };
3007
3008                 dev_drv->wait_fs = win_data.wait_fs;
3009                 ret = rk_fb_set_win_config(info, &win_data);
3010
3011 cam_exit:
3012                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
3013                                  &win_data, sizeof(win_data))) {
3014                         ret = -EFAULT;
3015                         break;
3016                 }
3017                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
3018
3019                 if (dev_drv->uboot_logo)
3020                         dev_drv->uboot_logo = 0;
3021
3022                 break;
3023         default:
3024                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
3025                 break;
3026         }
3027
3028         return ret;
3029 }
3030
3031 static int rk_fb_blank(int blank_mode, struct fb_info *info)
3032 {
3033         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3034         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3035         struct fb_fix_screeninfo *fix = &info->fix;
3036         int win_id;
3037 #if defined(CONFIG_RK_HDMI)
3038         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3039 #endif
3040
3041         if (is_car_camcap())
3042                 return 0;
3043         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
3044         if (win_id < 0)
3045                 return -ENODEV;
3046         mutex_lock(&dev_drv->switch_screen);
3047 #if defined(CONFIG_RK_HDMI)
3048         if ((rk_fb->disp_mode == ONE_DUAL) &&
3049             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
3050                 pr_info("hdmi is connect , not blank lcdc\n");
3051         } else
3052 #endif
3053         {
3054                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3055         }
3056         mutex_unlock(&dev_drv->switch_screen);
3057         return 0;
3058 }
3059
3060 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3061 {
3062         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3063             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3064             ((16 != var->bits_per_pixel) &&
3065             (32 != var->bits_per_pixel) &&
3066             (24 != var->bits_per_pixel))) {
3067                 dev_err(info->dev, "%s check var fail 1:\n"
3068                         "xres_vir:%d>>yres_vir:%d\n"
3069                         "xres:%d>>yres:%d\n"
3070                         "bits_per_pixel:%d\n",
3071                         info->fix.id,
3072                         var->xres_virtual,
3073                         var->yres_virtual,
3074                         var->xres, var->yres, var->bits_per_pixel);
3075                 return -EINVAL;
3076         }
3077
3078         if (((var->xoffset + var->xres) > var->xres_virtual) ||
3079             ((var->yoffset + var->yres) > (var->yres_virtual))) {
3080                 dev_err(info->dev, "%s check_var fail 2:\n"
3081                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3082                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3083                         info->fix.id,
3084                         var->xoffset,
3085                         var->xres,
3086                         var->xres_virtual,
3087                         var->yoffset, var->yres, var->yres_virtual);
3088                 return -EINVAL;
3089         }
3090
3091         return 0;
3092 }
3093
3094 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3095                           size_t count, loff_t *ppos)
3096 {
3097         unsigned long p = *ppos;
3098         u8 *buffer, *dst;
3099         u8 __iomem *src;
3100         int c, cnt = 0, err = 0;
3101         unsigned long total_size;
3102         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3103         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3104         struct rk_lcdc_win *win = NULL;
3105         int win_id = 0;
3106
3107         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3108         if (win_id < 0)
3109                 return -ENODEV;
3110         else
3111                 win = dev_drv->win[win_id];
3112
3113         /* only read the current frame buffer */
3114         if (win->area[0].format == RGB565) {
3115                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3116         } else if ((win->area[0].format == YUV420) ||
3117                    (win->area[0].format == YUV420_NV21)) {
3118                 total_size =
3119                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
3120         } else {
3121                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3122         }
3123         if (p >= total_size)
3124                 return 0;
3125
3126         if (count >= total_size)
3127                 count = total_size;
3128
3129         if (count + p > total_size)
3130                 count = total_size - p;
3131
3132         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3133         if (!buffer)
3134                 return -ENOMEM;
3135
3136         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3137
3138         while (count) {
3139                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3140                 dst = buffer;
3141                 fb_memcpy_fromfb(dst, src, c);
3142                 dst += c;
3143                 src += c;
3144
3145                 if (copy_to_user(buf, buffer, c)) {
3146                         err = -EFAULT;
3147                         break;
3148                 }
3149                 *ppos += c;
3150                 buf += c;
3151                 cnt += c;
3152                 count -= c;
3153         }
3154
3155         kfree(buffer);
3156
3157         return (err) ? err : cnt;
3158 }
3159
3160 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3161                            size_t count, loff_t *ppos)
3162 {
3163         unsigned long p = *ppos;
3164         u8 *buffer, *src;
3165         u8 __iomem *dst;
3166         int c, cnt = 0, err = 0;
3167         unsigned long total_size;
3168         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3169         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3170         struct rk_lcdc_win *win = NULL;
3171         int win_id = 0;
3172
3173         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3174         if (win_id < 0)
3175                 return -ENODEV;
3176         else
3177                 win = dev_drv->win[win_id];
3178
3179         /* write the current frame buffer */
3180         if (win->area[0].format == RGB565)
3181                 total_size = win->area[0].xact * win->area[0].yact << 1;
3182         else
3183                 total_size = win->area[0].xact * win->area[0].yact << 2;
3184
3185         if (p > total_size)
3186                 return -EFBIG;
3187
3188         if (count > total_size) {
3189                 err = -EFBIG;
3190                 count = total_size;
3191         }
3192
3193         if (count + p > total_size) {
3194                 if (!err)
3195                         err = -ENOSPC;
3196
3197                 count = total_size - p;
3198         }
3199
3200         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3201         if (!buffer)
3202                 return -ENOMEM;
3203
3204         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3205
3206         while (count) {
3207                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3208                 src = buffer;
3209
3210                 if (copy_from_user(src, buf, c)) {
3211                         err = -EFAULT;
3212                         break;
3213                 }
3214
3215                 fb_memcpy_tofb(dst, src, c);
3216                 dst += c;
3217                 src += c;
3218                 *ppos += c;
3219                 buf += c;
3220                 cnt += c;
3221                 count -= c;
3222         }
3223
3224         kfree(buffer);
3225
3226         return (cnt) ? cnt : err;
3227 }
3228
3229 static int rk_fb_set_par(struct fb_info *info)
3230 {
3231         struct fb_var_screeninfo *var = &info->var;
3232         struct fb_fix_screeninfo *fix = &info->fix;
3233         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3234         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3235         struct rk_lcdc_win *win = NULL;
3236         struct rk_screen *screen = dev_drv->cur_screen;
3237         int win_id = 0;
3238         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3239         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3240         u32 yoffset = var->yoffset;
3241         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3242         u16 ypos = (var->nonstd >> 20) & 0xfff;
3243         u32 xvir = var->xres_virtual;
3244         u8 data_format = var->nonstd & 0xff;
3245         u8 fb_data_fmt;
3246         u8 pixel_width = 0;
3247         u32 vir_width_bit;
3248         u32 stride, uv_stride = 0;
3249         u32 stride_32bit_1;
3250         u32 stride_32bit_2;
3251         u16 uv_x_off, uv_y_off, uv_y_act;
3252         u8 is_pic_yuv = 0;
3253         /*var->pixclock = dev_drv->pixclock;*/
3254         if (dev_drv->suspend_flag || is_car_camcap())
3255                 return 0;
3256         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3257         if (win_id < 0)
3258                 return -ENODEV;
3259         else
3260                 win = dev_drv->win[win_id];
3261
3262         /* if the application has specific the hor and ver display size */
3263         if (var->grayscale >> 8) {
3264                 xsize = (var->grayscale >> 8) & 0xfff;
3265                 ysize = (var->grayscale >> 20) & 0xfff;
3266                 if (xsize > screen->mode.xres)
3267                         xsize = screen->mode.xres;
3268                 if (ysize > screen->mode.yres)
3269                         ysize = screen->mode.yres;
3270         } else {                /*ohterwise  full  screen display */
3271                 xsize = screen->mode.xres;
3272                 ysize = screen->mode.yres;
3273         }
3274
3275         win->colorspace = CSC_FORMAT(data_format);
3276         data_format &= ~CSC_MASK;
3277         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3278         if (IS_FBDC_FMT(fb_data_fmt)) {
3279                 win->area[0].fbdc_en = 1;
3280                 win->area[0].fbdc_cor_en = 1;
3281         } else {
3282                 win->area[0].fbdc_en = 0;
3283                 win->area[0].fbdc_cor_en = 0;
3284         }
3285         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3286         vir_width_bit = pixel_width * xvir;
3287         /* pixel_width = byte_num * 8 */
3288         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3289         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3290
3291         switch (fb_data_fmt) {
3292         case YUV422:
3293         case YUV422_A:
3294                 is_pic_yuv = 1;
3295                 stride = stride_32bit_1;
3296                 uv_stride = stride_32bit_1;
3297                 uv_x_off = xoffset;
3298                 uv_y_off = yoffset;
3299                 fix->line_length = stride;
3300                 uv_y_act = win->area[0].yact >> 1;
3301                 break;
3302         case YUV420:            /* nv12 */
3303         case YUV420_NV21:       /* nv21 */
3304         case YUV420_A:
3305                 is_pic_yuv = 1;
3306                 stride = stride_32bit_1;
3307                 uv_stride = stride_32bit_1;
3308                 uv_x_off = xoffset;
3309                 uv_y_off = yoffset >> 1;
3310                 fix->line_length = stride;
3311                 uv_y_act = win->area[0].yact >> 1;
3312                 break;
3313         case YUV444:
3314         case YUV444_A:
3315                 is_pic_yuv = 1;
3316                 stride = stride_32bit_1;
3317                 uv_stride = stride_32bit_2;
3318                 uv_x_off = xoffset * 2;
3319                 uv_y_off = yoffset;
3320                 fix->line_length = stride << 2;
3321                 uv_y_act = win->area[0].yact;
3322                 break;
3323         default:
3324                 stride = stride_32bit_1;        /* default rgb */
3325                 fix->line_length = stride;
3326                 break;
3327         }
3328
3329         win->area[0].format = fb_data_fmt;
3330         win->area[0].y_vir_stride = stride >> 2;
3331         win->area[0].uv_vir_stride = uv_stride >> 2;
3332         win->area[0].xpos = xpos;
3333         win->area[0].ypos = ypos;
3334         win->area[0].xsize = xsize;
3335         win->area[0].ysize = ysize;
3336         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3337         win->area[0].yact = var->yres;
3338         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3339         win->area[0].yvir = var->yres_virtual;
3340         win->area[0].xoff = xoffset;
3341         win->area[0].yoff = yoffset;
3342         win->ymirror = 0;
3343         win->state = 1;
3344         win->last_state = 1;
3345
3346         win->area_num = 1;
3347         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3348         win->alpha_en = ((win->area[0].format == ARGB888) ||
3349                          (win->area[0].format == FBDC_ARGB_888) ||
3350                          (win->area[0].format == FBDC_ABGR_888) ||
3351                          (win->area[0].format == ABGR888)) ? 1 : 0;
3352         win->g_alpha_val = 0;
3353
3354         dev_drv->ops->set_par(dev_drv, win_id);
3355
3356         return 0;
3357 }
3358
3359 static inline unsigned int chan_to_field(unsigned int chan,
3360                                          struct fb_bitfield *bf)
3361 {
3362         chan &= 0xffff;
3363         chan >>= 16 - bf->length;
3364         return chan << bf->offset;
3365 }
3366
3367 static int fb_setcolreg(unsigned regno,
3368                         unsigned red, unsigned green, unsigned blue,
3369                         unsigned transp, struct fb_info *info)
3370 {
3371         unsigned int val;
3372
3373         switch (info->fix.visual) {
3374         case FB_VISUAL_TRUECOLOR:
3375                 /* true-colour, use pseudo-palette */
3376                 if (regno < 16) {
3377                         u32 *pal = info->pseudo_palette;
3378
3379                         val = chan_to_field(red, &info->var.red);
3380                         val |= chan_to_field(green, &info->var.green);
3381                         val |= chan_to_field(blue, &info->var.blue);
3382                         pal[regno] = val;
3383                 }
3384                 break;
3385         default:
3386                 return -1;      /* unknown type */
3387         }
3388
3389         return 0;
3390 }
3391
3392 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3393 {
3394         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3395         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3396         struct ion_handle *handle = fb_par->ion_hdl;
3397         struct dma_buf *dma_buf = NULL;
3398
3399         if (IS_ERR_OR_NULL(handle)) {
3400                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3401                         PTR_ERR(handle));
3402                 return -ENOMEM;
3403         }
3404         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3405         if (IS_ERR_OR_NULL(dma_buf)) {
3406                 pr_info("get ion share dma buf failed\n");
3407                 return -ENOMEM;
3408         }
3409
3410         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3411
3412         return dma_buf_mmap(dma_buf, vma, 0);
3413 }
3414
3415 static struct fb_ops fb_ops = {
3416         .owner = THIS_MODULE,
3417         .fb_open = rk_fb_open,
3418         .fb_release = rk_fb_close,
3419         .fb_check_var = rk_fb_check_var,
3420         .fb_set_par = rk_fb_set_par,
3421         .fb_blank = rk_fb_blank,
3422         .fb_ioctl = rk_fb_ioctl,
3423         .fb_compat_ioctl = rk_fb_ioctl,
3424         .fb_pan_display = rk_fb_pan_display,
3425         .fb_read = rk_fb_read,
3426         .fb_write = rk_fb_write,
3427         .fb_setcolreg = fb_setcolreg,
3428         .fb_fillrect = cfb_fillrect,
3429         .fb_copyarea = cfb_copyarea,
3430         .fb_imageblit = cfb_imageblit,
3431 };
3432
3433 static struct fb_var_screeninfo def_var = {
3434 #if defined(CONFIG_LOGO_LINUX_BMP)
3435         .red = {16, 8, 0},
3436         .green = {8, 8, 0},
3437         .blue = {0, 8, 0},
3438         .transp = {0, 0, 0},
3439         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3440 #else
3441         .red = {11, 5, 0},
3442         .green = {5, 6, 0},
3443         .blue = {0, 5, 0},
3444         .transp = {0, 0, 0},
3445         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3446 #endif
3447         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3448         .activate = FB_ACTIVATE_NOW,
3449         .accel_flags = 0,
3450         .vmode = FB_VMODE_NONINTERLACED,
3451 };
3452
3453 static struct fb_fix_screeninfo def_fix = {
3454         .type = FB_TYPE_PACKED_PIXELS,
3455         .type_aux = 0,
3456         .xpanstep = 1,
3457         .ypanstep = 1,
3458         .ywrapstep = 0,
3459         .accel = FB_ACCEL_NONE,
3460         .visual = FB_VISUAL_TRUECOLOR,
3461
3462 };
3463
3464 static int rk_fb_wait_for_vsync_thread(void *data)
3465 {
3466         struct rk_lcdc_driver *dev_drv = data;
3467         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3468         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3469
3470         while (!kthread_should_stop()) {
3471                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3472                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3473                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3474                                 (dev_drv->vsync_info.active > 0 || dev_drv->vsync_info.irq_stop));
3475
3476                 if (!ret)
3477                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3478         }
3479
3480         return 0;
3481 }
3482
3483 static ssize_t rk_fb_vsync_show(struct device *dev,
3484                                 struct device_attribute *attr, char *buf)
3485 {
3486         struct fb_info *fbi = dev_get_drvdata(dev);
3487         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3488         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3489
3490         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3491                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3492 }
3493
3494 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3495
3496 /*
3497  * this two function is for other module that in the kernel which
3498  * need show image directly through fb
3499  * fb_id:we have 4 fb here,default we use fb0 for ui display
3500  */
3501 struct fb_info *rk_get_fb(int fb_id)
3502 {
3503         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3504         struct fb_info *fb = inf->fb[fb_id];
3505         return fb;
3506 }
3507 EXPORT_SYMBOL(rk_get_fb);
3508
3509 void rk_direct_fb_show(struct fb_info *fbi)
3510 {
3511         rk_fb_set_par(fbi);
3512         rk_fb_pan_display(&fbi->var, fbi);
3513 }
3514 EXPORT_SYMBOL(rk_direct_fb_show);
3515
3516 int rk_fb_dpi_open(bool open)
3517 {
3518         struct rk_lcdc_driver *dev_drv = NULL;
3519
3520         dev_drv = rk_get_prmry_lcdc_drv();
3521         if (dev_drv->ops->dpi_open)
3522                 dev_drv->ops->dpi_open(dev_drv, open);
3523         return 0;
3524 }
3525
3526 int rk_fb_dpi_win_sel(int win_id)
3527 {
3528         struct rk_lcdc_driver *dev_drv = NULL;
3529
3530         dev_drv = rk_get_prmry_lcdc_drv();
3531         if (dev_drv->ops->dpi_win_sel)
3532                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3533         return 0;
3534 }
3535
3536 int rk_fb_dpi_status(void)
3537 {
3538         int ret = 0;
3539         struct rk_lcdc_driver *dev_drv = NULL;
3540
3541         dev_drv = rk_get_prmry_lcdc_drv();
3542         if (dev_drv->ops->dpi_status)
3543                 ret = dev_drv->ops->dpi_status(dev_drv);
3544
3545         return ret;
3546 }
3547
3548 /*
3549  * function: this function will be called by display device, enable/disable lcdc
3550  * @screen: screen timing to be set to lcdc
3551  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3552  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3553  */
3554 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3555 {
3556         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3557         struct fb_info *info = NULL;
3558         struct rk_fb_par *fb_par = NULL;
3559         struct rk_lcdc_driver *dev_drv = NULL;
3560         struct rk_lcdc_win *win;
3561         char name[6] = {0};
3562         int i, win_id;
3563         static bool load_screen;
3564         char *envp[4];
3565         char envplcdc[32];
3566         char envpfbdev[32];
3567         int ret, list_is_empty = 0;
3568
3569         if (unlikely(!rk_fb) || unlikely(!screen))
3570                 return -ENODEV;
3571
3572         /* get lcdc driver */
3573         sprintf(name, "lcdc%d", lcdc_id);
3574         dev_drv = rk_get_lcdc_drv(name);
3575
3576         if (dev_drv == NULL) {
3577                 pr_err("%s driver not found!", name);
3578                 return -ENODEV;
3579         }
3580         if (screen->type == SCREEN_HDMI)
3581                 pr_info("hdmi %s lcdc%d\n",
3582                         enable ? "connect to" : "remove from",
3583                         dev_drv->id);
3584         else if (screen->type == SCREEN_TVOUT ||
3585                  screen->type == SCREEN_TVOUT_TEST)
3586                 pr_info("cvbs %s lcdc%d\n",
3587                         enable ? "connect to" : "remove from",
3588                         dev_drv->id);
3589         if (enable == 2 /*&& dev_drv->enable*/)
3590                 return 0;
3591         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3592                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3593
3594         mutex_lock(&dev_drv->switch_screen);
3595         dev_drv->hot_plug_state = enable;
3596         hdmi_switch_state = 0;
3597         dev_drv->hdmi_switch = 1;
3598         if (!dev_drv->uboot_logo) {
3599                 mdelay(200);
3600                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3601                                            list_empty(&dev_drv->saved_list);
3602                 if (!list_is_empty) {
3603                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3604                                                  list_empty(&dev_drv->update_regs_list) &&
3605                                                  list_empty(&dev_drv->saved_list),
3606                                                  msecs_to_jiffies(60));
3607                         if (ret <= 0)
3608                                 pr_info("%s: wait update_regs_wait timeout\n",
3609                                         __func__);
3610                 }
3611         }
3612
3613         envp[0] = "switch vop screen";
3614         memset(envplcdc, 0, sizeof(envplcdc));
3615         memset(envpfbdev, 0, sizeof(envpfbdev));
3616         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3617         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3618         envp[1] = envplcdc;
3619         envp[2] = envpfbdev;
3620         envp[3] = NULL;
3621
3622         if ((rk_fb->disp_mode == ONE_DUAL) ||
3623             (rk_fb->disp_mode == NO_DUAL)) {
3624                 if ((dev_drv->ops->backlight_close) &&
3625                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3626                         dev_drv->ops->backlight_close(dev_drv, 1);
3627                 if (!dev_drv->uboot_logo || load_screen ||
3628                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3629                         if (dev_drv->ops->dsp_black)
3630                                 dev_drv->ops->dsp_black(dev_drv, 0);
3631                 }
3632                 if ((dev_drv->ops->set_screen_scaler) &&
3633                     (rk_fb->disp_mode == ONE_DUAL))
3634                         dev_drv->ops->set_screen_scaler(dev_drv,
3635                                                         dev_drv->screen0, 0);
3636         }
3637         if (!enable) {
3638                 /* if screen type is different, we do not disable lcdc. */
3639                 if (dev_drv->cur_screen->type != screen->type) {
3640                         dev_drv->hdmi_switch = 0;
3641                         mutex_unlock(&dev_drv->switch_screen);
3642                         return 0;
3643                 }
3644
3645                 /* if used one lcdc to dual disp, no need to close win */
3646                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3647                     ((rk_fb->disp_mode == NO_DUAL) &&
3648                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3649                         dev_drv->cur_screen = dev_drv->screen0;
3650                         dev_drv->ops->load_screen(dev_drv, 1);
3651                         /* force modify dsp size */
3652                         info = rk_fb->fb[dev_drv->fb_index_base];
3653                         info->var.grayscale &= 0xff;
3654                         info->var.grayscale |=
3655                                 (dev_drv->cur_screen->mode.xres << 8) +
3656                                 (dev_drv->cur_screen->mode.yres << 20);
3657                         mutex_lock(&dev_drv->win_config);
3658                         info->var.xoffset = 0;
3659                         info->var.yoffset = 0;
3660                         info->fbops->fb_set_par(info);
3661                         info->fbops->fb_pan_display(&info->var, info);
3662                         mutex_unlock(&dev_drv->win_config);
3663
3664                         /*
3665                          * if currently is loader display, black until new
3666                          * display job.
3667                          */
3668                         if (dev_drv->uboot_logo) {
3669                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3670                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3671                                             dev_drv->ops->win_direct_en)
3672                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3673                                 }
3674                         }
3675
3676                         /*if (dev_drv->ops->dsp_black)
3677                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3678                          */
3679                         if ((dev_drv->ops->backlight_close) &&
3680                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3681                                 dev_drv->ops->backlight_close(dev_drv, 0);
3682                 } else if (rk_fb->num_lcdc > 1) {
3683                         /* If there is more than one lcdc device, we disable
3684                          *  the layer which attached to this device
3685                          */
3686                         flush_kthread_worker(&dev_drv->update_regs_worker);
3687                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3688                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3689                                         dev_drv->ops->open(dev_drv, i, 0);
3690                         }
3691                 }
3692                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3693
3694                 hdmi_switch_state = 0;
3695                 dev_drv->hdmi_switch = 0;
3696                 mutex_unlock(&dev_drv->switch_screen);
3697                 return 0;
3698         } else {
3699                 if (load_screen || (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3700                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3701                                 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3702                                         dev_drv->ops->win_direct_en)
3703                                         dev_drv->ops->win_direct_en(dev_drv, i, 0);
3704                         }
3705                 }
3706                 if (dev_drv->uboot_logo) {
3707                         if (dev_drv->cur_screen->mode.xres !=
3708                                 screen->mode.xres ||
3709                             dev_drv->cur_screen->mode.yres !=
3710                                 screen->mode.yres)
3711                                 load_screen = 1;
3712                 }
3713                 if (dev_drv->screen1)
3714                         dev_drv->cur_screen = dev_drv->screen1;
3715
3716                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3717                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3718                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3719                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3720                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3721         }
3722
3723         if (!dev_drv->uboot_logo || load_screen ||
3724             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3725                 info = rk_fb->fb[dev_drv->fb_index_base];
3726                 fb_par = (struct rk_fb_par *)info->par;
3727                 win_id = 0;
3728                 win = dev_drv->win[win_id];
3729                 if (win && fb_par->state) {
3730                         dev_drv->ops->load_screen(dev_drv, 1);
3731                         info->var.activate |= FB_ACTIVATE_FORCE;
3732                         if (rk_fb->disp_mode == ONE_DUAL) {
3733                                 info->var.grayscale &= 0xff;
3734                                 info->var.grayscale |=
3735                                         (dev_drv->cur_screen->xsize << 8) +
3736                                         (dev_drv->cur_screen->ysize << 20);
3737                         }
3738                         if (dev_drv->uboot_logo && win->state) {
3739                                 if (win->area[0].xpos ||
3740                                     win->area[0].ypos) {
3741                                         win->area[0].xpos =
3742                                                 (screen->mode.xres -
3743                                                  win->area[0].xsize) / 2;
3744                                         win->area[0].ypos =
3745                                                 (screen->mode.yres -
3746                                                  win->area[0].ysize) / 2;
3747                                 } else {
3748                                         win->area[0].xsize = screen->mode.xres;
3749                                         win->area[0].ysize = screen->mode.yres;
3750                                 }
3751                                 dev_drv->ops->set_par(dev_drv, i);
3752                                 dev_drv->ops->cfg_done(dev_drv);
3753                         } else if (!dev_drv->win[win_id]->state) {
3754                                 dev_drv->ops->open(dev_drv, win_id, 1);
3755                                 info->fbops->fb_pan_display(&info->var, info);
3756                         }
3757                 }
3758         } else {
3759                 dev_drv->ops->load_screen(dev_drv, 0);
3760         }
3761         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3762
3763         hdmi_switch_state = 1;
3764         load_screen = true;
3765         dev_drv->hdmi_switch = 0;
3766         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3767                 if ((dev_drv->ops->set_screen_scaler) &&
3768                     (rk_fb->disp_mode == ONE_DUAL))
3769                         dev_drv->ops->set_screen_scaler(dev_drv,
3770                                                         dev_drv->screen0, 1);
3771                 /*if (dev_drv->ops->dsp_black)
3772                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3773                 if ((dev_drv->ops->backlight_close) &&
3774                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3775                     (rk_fb->disp_mode == ONE_DUAL))
3776                         dev_drv->ops->backlight_close(dev_drv, 0);
3777         }
3778         mutex_unlock(&dev_drv->switch_screen);
3779         return 0;
3780 }
3781
3782 /*
3783  * function:this function current only called by hdmi for
3784  *      scale the display
3785  * scale_x: scale rate of x resolution
3786  * scale_y: scale rate of y resolution
3787  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3788  */
3789 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3790 {
3791         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3792         struct fb_info *info = NULL;
3793         struct fb_info *pmy_info = NULL;
3794         struct fb_var_screeninfo *var = NULL;
3795         struct rk_lcdc_driver *dev_drv = NULL;
3796         u16 screen_x, screen_y;
3797         u16 xpos, ypos;
3798         char name[6];
3799         struct rk_screen primary_screen;
3800
3801         rk_fb_get_prmry_screen(&primary_screen);
3802         if (primary_screen.type == SCREEN_HDMI)
3803                 return 0;
3804
3805         pr_err("should not be here--%s\n", __func__);
3806
3807         return 0;
3808         sprintf(name, "lcdc%d", lcdc_id);
3809
3810         if (inf->disp_mode == DUAL) {
3811                 dev_drv = rk_get_lcdc_drv(name);
3812                 if (!dev_drv) {
3813                         pr_err("%s driver not found!", name);
3814                         return -ENODEV;
3815                 }
3816         } else {
3817                 dev_drv = inf->lcdc_dev_drv[0];
3818         }
3819
3820         if (inf->num_lcdc == 1) {
3821                 info = inf->fb[0];
3822         } else if (inf->num_lcdc == 2) {
3823                 info = inf->fb[dev_drv->lcdc_win_num];
3824                 pmy_info = inf->fb[0];
3825         }
3826
3827         var = &info->var;
3828         screen_x = dev_drv->cur_screen->mode.xres;
3829         screen_y = dev_drv->cur_screen->mode.yres;
3830
3831         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3832                 dev_drv->cur_screen->xpos =
3833                     (screen_x - screen_x * scale_x / 100) >> 1;
3834                 dev_drv->cur_screen->ypos =
3835                     (screen_y - screen_y * scale_y / 100) >> 1;
3836                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3837                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3838         } else {
3839                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3840                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3841                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3842                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3843                 if (inf->disp_mode == ONE_DUAL) {
3844                         var->nonstd &= 0xff;
3845                         var->nonstd |= (xpos << 8) + (ypos << 20);
3846                         var->grayscale &= 0xff;
3847                         var->grayscale |=
3848                                 (dev_drv->cur_screen->xsize << 8) +
3849                                 (dev_drv->cur_screen->ysize << 20);
3850                 }
3851         }
3852
3853         mutex_lock(&dev_drv->win_config);
3854         info->fbops->fb_set_par(info);
3855         dev_drv->ops->cfg_done(dev_drv);
3856         mutex_unlock(&dev_drv->win_config);
3857
3858         return 0;
3859 }
3860
3861 #if defined(CONFIG_ION_ROCKCHIP)
3862 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3863                                      struct rk_lcdc_win *win,
3864                                      unsigned long fb_mem_size)
3865 {
3866         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3867         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3868         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3869         struct ion_handle *handle;
3870         ion_phys_addr_t phy_addr;
3871         size_t len;
3872         int ret = 0;
3873
3874         if (dev_drv->iommu_enabled)
3875                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3876                                    ION_HEAP_SYSTEM_MASK, 0);
3877         else
3878                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3879                                    ION_HEAP_TYPE_DMA_MASK, 0);
3880
3881         if (IS_ERR(handle)) {
3882                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3883                         PTR_ERR(handle));
3884                 return -ENOMEM;
3885         }
3886
3887         fb_par->ion_hdl = handle;
3888         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3889         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3890                 pr_info("ion_share_dma_buf() failed\n");
3891                 goto err_share_dma_buf;
3892         }
3893         win->area[0].ion_hdl = handle;
3894         if (dev_drv->prop == PRMRY)
3895                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3896         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3897                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3898                                     (unsigned long *)&phy_addr,
3899                                     (unsigned long *)&len);
3900         else
3901                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3902         if (ret < 0) {
3903                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3904                 goto err_share_dma_buf;
3905         }
3906         fbi->fix.smem_start = phy_addr;
3907         fbi->fix.smem_len = len;
3908         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3909         return 0;
3910
3911 err_share_dma_buf:
3912         ion_free(rk_fb->ion_client, handle);
3913         return -ENOMEM;
3914 }
3915 #endif
3916
3917 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3918 {
3919         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3920         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3921         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3922         struct rk_lcdc_win *win = NULL;
3923         int win_id;
3924         int ret = 0;
3925         unsigned long fb_mem_size;
3926 #if !defined(CONFIG_ION_ROCKCHIP)
3927         dma_addr_t fb_mem_phys;
3928         void *fb_mem_virt;
3929 #endif
3930         ion_phys_addr_t phy_addr;
3931         size_t len;
3932
3933         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3934         if (win_id < 0)
3935                 return -ENODEV;
3936         else
3937                 win = dev_drv->win[win_id];
3938
3939         if (!strcmp(fbi->fix.id, "fb0")) {
3940                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3941 #if defined(CONFIG_ION_ROCKCHIP)
3942                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3943                         return -ENOMEM;
3944 #else
3945                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3946                                                      &fb_mem_phys, GFP_KERNEL);
3947                 if (!fb_mem_virt) {
3948                         pr_err("%s: Failed to allocate framebuffer\n",
3949                                __func__);
3950                         return -ENOMEM;
3951                 }
3952                 fbi->fix.smem_len = fb_mem_size;
3953                 fbi->fix.smem_start = fb_mem_phys;
3954                 fbi->screen_base = fb_mem_virt;
3955 #endif
3956                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3957         } else {
3958                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3959                         struct rk_lcdc_driver *dev_drv_prmry;
3960                         int win_id_prmry;
3961
3962                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3963 #if defined(CONFIG_ION_ROCKCHIP)
3964                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3965                         if (dev_drv_prmry == NULL)
3966                                 return -ENODEV;
3967                         win_id_prmry =
3968                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3969                                                                  fbi->fix.id);
3970                         if (win_id_prmry < 0)
3971                                 return -ENODEV;
3972                         else
3973                                 fb_par->ion_hdl =
3974                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3975                                 fbi->screen_base =
3976                                         ion_map_kernel(rk_fb->ion_client,
3977                                                        fb_par->ion_hdl);
3978                                 dev_drv->win[win_id]->area[0].ion_hdl =
3979                                         fb_par->ion_hdl;
3980                                 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3981                                         ret = ion_map_iommu(dev_drv->dev,
3982                                                             rk_fb->ion_client,
3983                                                             fb_par->ion_hdl,
3984                                                             (unsigned long *)&phy_addr,
3985                                                             (unsigned long *)&len);
3986                                 else
3987                                         ret = ion_phys(rk_fb->ion_client,
3988                                                        fb_par->ion_hdl,
3989                                                        &phy_addr, &len);
3990                                 if (ret < 0) {
3991                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3992                                         return -ENOMEM;
3993                                 }
3994                                 fbi->fix.smem_start = phy_addr;
3995                                 fbi->fix.smem_len = len;
3996 #else
3997                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3998                                                              fb_mem_size,
3999                                                              &fb_mem_phys,
4000                                                              GFP_KERNEL);
4001                         if (!fb_mem_virt) {
4002                                 pr_err("%s: Failed to allocate framebuffer\n",
4003                                        __func__);
4004                                 return -ENOMEM;
4005                         }
4006                         fbi->fix.smem_len = fb_mem_size;
4007                         fbi->fix.smem_start = fb_mem_phys;
4008                         fbi->screen_base = fb_mem_virt;
4009 #endif
4010                 } else {
4011                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
4012                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
4013                         fbi->screen_base = rk_fb->fb[0]->screen_base;
4014                 }
4015         }
4016
4017         fbi->screen_size = fbi->fix.smem_len;
4018         fb_par->fb_phy_base = fbi->fix.smem_start;
4019         fb_par->fb_virt_base = fbi->screen_base;
4020         fb_par->fb_size = fbi->fix.smem_len;
4021
4022         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
4023                 fbi->fix.smem_start, fbi->screen_base,
4024                 fbi->fix.smem_len);
4025         return ret;
4026 }
4027
4028 #if 0
4029 static int rk_release_fb_buffer(struct fb_info *fbi)
4030 {
4031         /* buffer for fb1 and fb3 are alloc by android */
4032         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
4033                 return 0;
4034         iounmap(fbi->screen_base);
4035         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
4036         return 0;
4037 }
4038 #endif
4039
4040 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
4041                          struct rk_lcdc_win *def_win)
4042 {
4043         int i;
4044         int lcdc_win_num = dev_drv->lcdc_win_num;
4045
4046         for (i = 0; i < lcdc_win_num; i++) {
4047                 struct rk_lcdc_win *win = NULL;
4048
4049                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4050                 if (!win) {
4051                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
4052                         return -ENOMEM;
4053                 }
4054
4055                 strcpy(win->name, def_win[i].name);
4056                 win->id = def_win[i].id;
4057                 win->support_3d = def_win[i].support_3d;
4058                 win->property.feature = def_win[i].property.feature;
4059                 win->property.max_input_x = def_win[i].property.max_input_x;
4060                 win->property.max_input_y = def_win[i].property.max_input_y;
4061                 dev_drv->win[i] = win;
4062         }
4063
4064         return 0;
4065 }
4066
4067 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4068                                    struct rk_lcdc_win *def_win, int index)
4069 {
4070         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4071         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4072                                                 sizeof(struct rk_screen),
4073                                                 GFP_KERNEL);
4074         int i = 0;
4075
4076         if (!screen) {
4077                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4078                         dev_drv->id);
4079                 return -ENOMEM;
4080         }
4081
4082         screen->screen_id = 0;
4083         screen->lcdc_id = dev_drv->id;
4084         screen->overscan.left = 100;
4085         screen->overscan.top = 100;
4086         screen->overscan.right = 100;
4087         screen->overscan.bottom = 100;
4088
4089         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
4090         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
4091
4092         dev_drv->screen0 = screen;
4093         dev_drv->cur_screen = screen;
4094         /* devie use one lcdc + rk61x scaler for dual display */
4095         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4096                 struct rk_screen *screen1 =
4097                                 devm_kzalloc(dev_drv->dev,
4098                                              sizeof(struct rk_screen),
4099                                              GFP_KERNEL);
4100                 if (!screen1) {
4101                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4102                                 dev_drv->id);
4103                         return -ENOMEM;
4104                 }
4105                 screen1->screen_id = 1;
4106                 screen1->lcdc_id = 1;
4107                 dev_drv->screen1 = screen1;
4108         }
4109         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4110         init_lcdc_win(dev_drv, def_win);
4111         init_completion(&dev_drv->frame_done);
4112         spin_lock_init(&dev_drv->cpl_lock);
4113         mutex_init(&dev_drv->fb_win_id_mutex);
4114         mutex_init(&dev_drv->win_config);
4115         mutex_init(&dev_drv->front_lock);
4116         mutex_init(&dev_drv->switch_screen);
4117         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4118         dev_drv->first_frame = 1;
4119         dev_drv->overscan.left = 100;
4120         dev_drv->overscan.top = 100;
4121         dev_drv->overscan.right = 100;
4122         dev_drv->overscan.bottom = 100;
4123         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4124                 dev_drv->area_support[i] = 1;
4125         if (dev_drv->ops->area_support_num)
4126                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4127         rk_disp_pwr_ctr_parse_dt(dev_drv);
4128         if (dev_drv->prop == PRMRY) {
4129                 rk_fb_set_prmry_screen(screen);
4130                 rk_fb_get_prmry_screen(screen);
4131         }
4132         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4133         if (dev_drv->prop != PRMRY)
4134                 rk_fb_get_extern_screen(screen);
4135         dev_drv->output_color = screen->color_mode;
4136
4137         return 0;
4138 }
4139
4140 #ifdef CONFIG_LOGO_LINUX_BMP
4141 static struct linux_logo *bmp_logo;
4142 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4143 {
4144         bmp_logo = fb_find_logo(24);
4145         if (bmp_logo == NULL) {
4146                 pr_info("%s error\n", __func__);
4147                 return 0;
4148         }
4149         return 1;
4150 }
4151
4152 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4153 {
4154         unsigned char *src = bmp_logo->data;
4155         unsigned char *dst = info->screen_base;
4156         int i;
4157         unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4158         unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4159
4160         for (i = 0; i < needheight; i++)
4161                 memcpy(dst + info->var.xres * i * 4,
4162                        src + bmp_logo->width * i * 4, needwidth * 4);
4163 }
4164 #endif
4165
4166 /*
4167  * check if the primary lcdc has registered,
4168  * the primary lcdc mas register first
4169  */
4170 bool is_prmry_rk_lcdc_registered(void)
4171 {
4172         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4173
4174         if (rk_fb->lcdc_dev_drv[0])
4175                 return true;
4176         else
4177                 return false;
4178 }
4179
4180 phys_addr_t uboot_logo_base;
4181 phys_addr_t uboot_logo_size;
4182 phys_addr_t uboot_logo_offset;
4183
4184 static int __init rockchip_uboot_mem_late_init(void)
4185 {
4186         int err;
4187
4188         if (uboot_logo_size) {
4189                 void *start = phys_to_virt(uboot_logo_base);
4190                 void *end = phys_to_virt(uboot_logo_base + uboot_logo_size);
4191
4192                 err = memblock_free(uboot_logo_base, uboot_logo_size);
4193                 if (err < 0)
4194                         pr_err("%s: freeing memblock failed: %d\n",
4195                                __func__, err);
4196                 free_reserved_area(start, end, -1, "logo");
4197         }
4198         return 0;
4199 }
4200
4201 late_initcall(rockchip_uboot_mem_late_init);
4202
4203 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4204                    struct rk_lcdc_win *win, int id)
4205 {
4206         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4207         struct fb_info *fbi;
4208         struct rk_fb_par *fb_par = NULL;
4209         int i = 0, ret = 0, index = 0;
4210         unsigned long flags;
4211         char time_line_name[16];
4212
4213         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4214                 return -ENXIO;
4215
4216         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4217                 if (!rk_fb->lcdc_dev_drv[i]) {
4218                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4219                         rk_fb->lcdc_dev_drv[i]->id = id;
4220                         rk_fb->num_lcdc++;
4221                         break;
4222                 }
4223         }
4224
4225         index = i;
4226         init_lcdc_device_driver(rk_fb, win, index);
4227         dev_drv->fb_index_base = rk_fb->num_fb;
4228         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4229                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4230                 if (!fbi) {
4231                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4232                         ret = -ENOMEM;
4233                 }
4234                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4235                                       GFP_KERNEL);
4236                 if (!fb_par) {
4237                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4238                                 rk_fb->num_fb);
4239                         return -ENOMEM;
4240                 }
4241                 fb_par->id = rk_fb->num_fb;
4242                 fb_par->lcdc_drv = dev_drv;
4243                 fbi->par = (void *)fb_par;
4244                 fbi->var = def_var;
4245                 fbi->fix = def_fix;
4246                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4247                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4248                 if (dev_drv->dsp_mode == ONE_VOP_DUAL_MIPI_VER_SCAN) {
4249                         fbi->var.xres /= 2;
4250                         fbi->var.yres *= 2;
4251                         fbi->var.xres_virtual /= 2;
4252                         fbi->var.yres_virtual *= 2;
4253                 }
4254                 fbi->var.width = dev_drv->cur_screen->width;
4255                 fbi->var.height = dev_drv->cur_screen->height;
4256                 fbi->var.grayscale |=
4257                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4258 #if defined(CONFIG_LOGO_LINUX_BMP)
4259                 fbi->var.bits_per_pixel = 32;
4260 #else
4261                 fbi->var.bits_per_pixel = 16;
4262 #endif
4263                 fbi->fix.line_length =
4264                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4265                 if (dev_drv->iommu_enabled)
4266                         fb_ops.fb_mmap = rk_fb_mmap;
4267                 fbi->fbops = &fb_ops;
4268                 fbi->flags = FBINFO_FLAG_DEFAULT;
4269                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4270                 ret = register_framebuffer(fbi);
4271                 if (ret < 0) {
4272                         dev_err(&fb_pdev->dev,
4273                                 "%s fb%d register_framebuffer fail!\n",
4274                                 __func__, rk_fb->num_fb);
4275                         return ret;
4276                 }
4277                 rkfb_create_sysfs(fbi);
4278                 rk_fb->fb[rk_fb->num_fb] = fbi;
4279                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4280                          fbi->fix.id);
4281                 rk_fb->num_fb++;
4282
4283                 if (i == 0) {
4284                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4285                         init_waitqueue_head(&dev_drv->update_regs_wait);
4286                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4287                         if (ret)
4288                                 dev_err(fbi->dev,
4289                                         "failed to create vsync file\n");
4290                         dev_drv->vsync_info.thread =
4291                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4292                                         "fb-vsync");
4293                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4294                                 dev_err(fbi->dev,
4295                                         "failed to run vsync thread\n");
4296                                 dev_drv->vsync_info.thread = NULL;
4297                         }
4298                         dev_drv->vsync_info.active = 1;
4299
4300                         mutex_init(&dev_drv->output_lock);
4301
4302                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4303                         INIT_LIST_HEAD(&dev_drv->saved_list);
4304                         mutex_init(&dev_drv->update_regs_list_lock);
4305                         init_kthread_worker(&dev_drv->update_regs_worker);
4306
4307                         dev_drv->update_regs_thread =
4308                             kthread_run(kthread_worker_fn,
4309                                         &dev_drv->update_regs_worker, "rk-fb");
4310                         if (IS_ERR(dev_drv->update_regs_thread)) {
4311                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4312
4313                                 dev_drv->update_regs_thread = NULL;
4314                                 pr_info("failed to run update_regs thread\n");
4315                                 return err;
4316                         }
4317                         init_kthread_work(&dev_drv->update_regs_work,
4318                                           rk_fb_update_regs_handler);
4319
4320                         snprintf(time_line_name, sizeof(time_line_name),
4321                                  "vop%d-timeline", id);
4322                         dev_drv->timeline =
4323                             sw_sync_timeline_create(time_line_name);
4324                         dev_drv->timeline_max = 1;
4325                 }
4326         }
4327
4328         /* show logo for primary display device */
4329 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4330         if (dev_drv->prop == PRMRY) {
4331                 u16 xact, yact;
4332                 int format;
4333                 u32 dsp_addr;
4334                 struct fb_info *main_fbi = rk_fb->fb[0];
4335
4336                 main_fbi->fbops->fb_open(main_fbi, 1);
4337                 main_fbi->var.pixclock = dev_drv->pixclock;
4338                 if (dev_drv->iommu_enabled) {
4339                         if (dev_drv->mmu_dev)
4340                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4341                                                 rk_fb_sysmmu_fault_handler);
4342                 }
4343
4344                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4345                 dev_drv->uboot_logo = support_uboot_display();
4346
4347                 if (dev_drv->uboot_logo &&
4348                     uboot_logo_offset && uboot_logo_base) {
4349                         int width, height, bits, xvir;
4350                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4351                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4352                         unsigned int nr_pages;
4353                         int ymirror = 0;
4354                         struct page **pages;
4355                         char *vaddr;
4356                         int i = 0;
4357
4358                         if (dev_drv->ops->get_dspbuf_info)
4359                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4360                                         &yact, &format, &dsp_addr, &ymirror);
4361                         nr_pages = size >> PAGE_SHIFT;
4362                         pages = kzalloc(sizeof(struct page) * nr_pages,
4363                                         GFP_KERNEL);
4364                         while (i < nr_pages) {
4365                                 pages[i] = phys_to_page(start);
4366                                 start += PAGE_SIZE;
4367                                 i++;
4368                         }
4369                         vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4370                         if (!vaddr) {
4371                                 pr_err("failed to vmap phy addr 0x%lx\n",
4372                                        (long)(uboot_logo_base +
4373                                        uboot_logo_offset));
4374                                 return -1;
4375                         }
4376
4377                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4378                                        &height, &bits)) {
4379                                 kfree(pages);
4380                                 vunmap(vaddr);
4381                                 return 0;
4382                         }
4383                         kfree(pages);
4384                         vunmap(vaddr);
4385                         if (dev_drv->uboot_logo &&
4386                             (width != xact || height != yact)) {
4387                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4388                                        xact, yact, width, height);
4389                                 return 0;
4390                         }
4391                         xvir = ALIGN(width * bits, 1 << 5) >> 5;
4392                         ymirror = 0;
4393                         local_irq_save(flags);
4394                         if (dev_drv->ops->wait_frame_start)
4395                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4396                         if (dev_drv->ops->post_dspbuf) {
4397                                 dev_drv->ops->post_dspbuf(dev_drv,
4398                                         main_fbi->fix.smem_start,
4399                                         rk_fb_data_fmt(0, bits),
4400                                         width, height, xvir,
4401                                         ymirror);
4402                         }
4403                         if (dev_drv->iommu_enabled) {
4404                                 rk_fb_poll_wait_frame_complete();
4405                                 if (dev_drv->ops->mmu_en)
4406                                         dev_drv->ops->mmu_en(dev_drv);
4407                                 freed_index = 0;
4408                         }
4409                         local_irq_restore(flags);
4410                         return 0;
4411                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4412                         u32 start = uboot_logo_base;
4413                         int logo_len, i = 0;
4414                         int y_mirror = 0;
4415                         unsigned int nr_pages;
4416                         struct page **pages;
4417                         char *vaddr;
4418                         int align = 0, xvir;
4419
4420                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4421                                                       &yact, &format,
4422                                                       &start,
4423                                                       &y_mirror);
4424                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4425                         if (logo_len > uboot_logo_size ||
4426                             logo_len > main_fbi->fix.smem_len) {
4427                                 pr_err("logo size > uboot reserve buffer size\n");
4428                                 return -1;
4429                         }
4430                         if (y_mirror)
4431                                 start -= logo_len;
4432
4433                         align = start % PAGE_SIZE;
4434                         start -= align;
4435                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4436                         pages = kzalloc(sizeof(struct page) * nr_pages,
4437                                         GFP_KERNEL);
4438                         while (i < nr_pages) {
4439                                 pages[i] = phys_to_page(start);
4440                                 start += PAGE_SIZE;
4441                                 i++;
4442                         }
4443                         vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4444                         if (!vaddr) {
4445                                 pr_err("failed to vmap phy addr 0x%x\n",
4446                                        start);
4447                                 return -1;
4448                         }
4449
4450                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4451
4452                         kfree(pages);
4453                         vunmap(vaddr);
4454                         xvir = ALIGN(xact * rk_fb_pixel_width(format),
4455                                      1 << 5) >> 5;
4456                         local_irq_save(flags);
4457                         if (dev_drv->ops->wait_frame_start)
4458                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4459                         dev_drv->ops->post_dspbuf(dev_drv,
4460                                         main_fbi->fix.smem_start +
4461                                         (y_mirror ? logo_len : 0),
4462                                         format, xact, yact,
4463                                         xvir,
4464                                         y_mirror);
4465                         if (dev_drv->iommu_enabled) {
4466                                 rk_fb_poll_wait_frame_complete();
4467                                 if (dev_drv->ops->mmu_en)
4468                                         dev_drv->ops->mmu_en(dev_drv);
4469                                 freed_index = 0;
4470                         }
4471                         local_irq_restore(flags);
4472                         return 0;
4473                 } else {
4474                         if (dev_drv->iommu_enabled) {
4475                                 if (dev_drv->ops->mmu_en)
4476                                         dev_drv->ops->mmu_en(dev_drv);
4477                                 freed_index = 0;
4478                         }
4479                 }
4480 #if defined(CONFIG_LOGO)
4481                 main_fbi->fbops->fb_set_par(main_fbi);
4482 #if  defined(CONFIG_LOGO_LINUX_BMP)
4483                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4484                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4485                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4486                 }
4487 #else
4488                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4489                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4490                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4491                 }
4492 #endif
4493                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4494 #endif
4495         } else {
4496                 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4497
4498                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4499                 if (rk_fb->disp_mode == DUAL_LCD) {
4500                         extend_fbi->fbops->fb_open(extend_fbi, 1);
4501                         if (dev_drv->iommu_enabled) {
4502                                 if (dev_drv->mmu_dev)
4503                                         rockchip_iovmm_set_fault_handler(dev_drv->dev,
4504                                                                          rk_fb_sysmmu_fault_handler);
4505                         }
4506                         rk_fb_alloc_buffer(extend_fbi);
4507                 }
4508         }
4509 #endif
4510         return 0;
4511 }
4512
4513 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4514 {
4515         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4516         struct fb_info *fbi;
4517         int fb_index_base = dev_drv->fb_index_base;
4518         int fb_num = dev_drv->lcdc_win_num;
4519         int i = 0;
4520
4521         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4522                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4523                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4524         }
4525
4526         for (i = 0; i < fb_num; i++)
4527                 kfree(dev_drv->win[i]);
4528
4529         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4530                 fbi = fb_inf->fb[i];
4531                 unregister_framebuffer(fbi);
4532                 /* rk_release_fb_buffer(fbi); */
4533                 framebuffer_release(fbi);
4534         }
4535         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4536         fb_inf->num_lcdc--;
4537
4538         return 0;
4539 }
4540
4541 int rk_fb_set_car_reverse_status(struct rk_lcdc_driver *dev_drv,
4542                                  int status)
4543 {
4544         char *envp[3] = {"Request", "FORCE UPDATE", NULL};
4545
4546         if (status) {
4547                 car_reversing = 1;
4548                 flush_kthread_worker(&dev_drv->update_regs_worker);
4549                 dev_drv->timeline_max++;
4550 #ifdef H_USE_FENCE
4551                 sw_sync_timeline_inc(dev_drv->timeline, 1);
4552 #endif
4553                 pr_debug("%s: camcap reverse start...\n", __func__);
4554         } else {
4555                 car_reversing = 0;
4556                 kobject_uevent_env(&dev_drv->dev->kobj,
4557                                    KOBJ_CHANGE, envp);
4558                 pr_debug("%s: camcap reverse finish...\n", __func__);
4559         }
4560
4561         return 0;
4562 }
4563
4564 static int rk_fb_probe(struct platform_device *pdev)
4565 {
4566         struct rk_fb *rk_fb = NULL;
4567         struct device_node *np = pdev->dev.of_node;
4568         u32 mode, ret;
4569         struct device_node *node;
4570
4571         if (!np) {
4572                 dev_err(&pdev->dev, "Missing device tree node.\n");
4573                 return -EINVAL;
4574         }
4575
4576         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4577         if (!rk_fb) {
4578                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4579                 return -ENOMEM;
4580         }
4581         platform_set_drvdata(pdev, rk_fb);
4582
4583         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4584                 rk_fb->disp_mode = mode;
4585
4586         } else {
4587                 dev_err(&pdev->dev, "no disp-mode node found!");
4588                 return -ENODEV;
4589         }
4590
4591         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4592                 rk_fb->disp_policy = mode;
4593                 pr_info("fb disp policy is %s\n",
4594                         rk_fb->disp_policy ? "box" : "sdk");
4595         }
4596
4597         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4598                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4599
4600         dev_set_name(&pdev->dev, "rockchip-fb");
4601 #if defined(CONFIG_ION_ROCKCHIP)
4602         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4603         if (IS_ERR(rk_fb->ion_client)) {
4604                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4605                 return PTR_ERR(rk_fb->ion_client);
4606         } else {
4607                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4608         }
4609 #endif
4610
4611         node = of_parse_phandle(np, "memory-region", 0);
4612         if (node) {
4613                 struct resource r;
4614
4615                 ret = of_address_to_resource(node, 0, &r);
4616                 if (ret)
4617                         return ret;
4618
4619                 if (uboot_logo_on) {
4620                         uboot_logo_base = r.start;
4621                         uboot_logo_size = resource_size(&r);
4622
4623                         if (uboot_logo_size > SZ_16M)
4624                                 uboot_logo_offset = SZ_16M;
4625                         else
4626                                 uboot_logo_offset = 0;
4627                 }
4628                 pr_info("logo: base=0x%llx, size=0x%llx, offset=0x%llx\n",
4629                         uboot_logo_base, uboot_logo_size, uboot_logo_offset);
4630         }
4631
4632         fb_pdev = pdev;
4633         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4634         return 0;
4635 }
4636
4637 static int rk_fb_remove(struct platform_device *pdev)
4638 {
4639         platform_set_drvdata(pdev, NULL);
4640         return 0;
4641 }
4642
4643 static void rk_fb_shutdown(struct platform_device *pdev)
4644 {
4645         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4646         int i;
4647
4648         for (i = 0; i < rk_fb->num_lcdc; i++) {
4649                 if (!rk_fb->lcdc_dev_drv[i])
4650                         continue;
4651                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4652         }
4653 }
4654
4655 static const struct of_device_id rkfb_dt_ids[] = {
4656         {.compatible = "rockchip,rk-fb",},
4657         {}
4658 };
4659
4660 static struct platform_driver rk_fb_driver = {
4661         .probe = rk_fb_probe,
4662         .remove = rk_fb_remove,
4663         .driver = {
4664                    .name = "rk-fb",
4665                    .owner = THIS_MODULE,
4666                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4667                    },
4668         .shutdown = rk_fb_shutdown,
4669 };
4670
4671 static int __init rk_fb_init(void)
4672 {
4673         return platform_driver_register(&rk_fb_driver);
4674 }
4675
4676 static void __exit rk_fb_exit(void)
4677 {
4678         platform_driver_unregister(&rk_fb_driver);
4679 }
4680
4681 fs_initcall(rk_fb_init);
4682 module_exit(rk_fb_exit);