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