drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <linux/vmalloc.h>
  28 #include <asm/div64.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/rk_fb.h>
  31 #include <linux/linux_logo.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/regulator/consumer.h>
  34
  35 #include "bmp_helper.h"
  36
  37 #if defined(CONFIG_RK_HDMI)
  38 #include "hdmi/rockchip-hdmi.h"
  39 #endif
  40
  41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  42 #include "rga/rga.h"
  43 #endif
  44
  45 #ifdef CONFIG_OF
  46 #include <linux/of.h>
  47 #include <linux/of_platform.h>
  48 #include <linux/of_gpio.h>
  49 #include <video/of_display_timing.h>
  50 #include <video/display_timing.h>
  51 #include <dt-bindings/rkfb/rk_fb.h>
  52 #endif
  53
  54 #if defined(CONFIG_ION_ROCKCHIP)
  55 #include <linux/rockchip_ion.h>
  56 #include <linux/rockchip-iovmm.h>
  57 #include <linux/dma-buf.h>
  58 #include <linux/highmem.h>
  59 #endif
  60
  61 #define H_USE_FENCE 1
  62 /* #define FB_ROATE_BY_KERNEL 1 */
  63
  64 static int hdmi_switch_state;
  65 static struct platform_device *fb_pdev;
  66
  67 #if defined(CONFIG_FB_MIRRORING)
  68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  69 EXPORT_SYMBOL(video_data_to_mirroring);
  70 #endif
  71
  72 extern phys_addr_t uboot_logo_base;
  73 extern phys_addr_t uboot_logo_size;
  74 extern phys_addr_t uboot_logo_offset;
  75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  76 static struct rk_fb_trsm_ops *trsm_edp_ops;
  77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  78 static int uboot_logo_on;
  79
  80 static int rk_fb_debug_lvl;
  81 static int rk_fb_iommu_debug = 1;
  82 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
  83 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
  84
  85 #define fb_dbg(level, x...) do {                \
  86         if (unlikely(rk_fb_debug_lvl >= level)) \
  87                 printk(KERN_INFO x);            \
  88         } while (0)
  89 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
  90                               struct rk_fb_win_cfg_data *win_data,
  91                               struct rk_fb_reg_data *regs, u32 cmd);
  92 int support_uboot_display(void)
  93 {
  94         return uboot_logo_on;
  95 }
  96
  97 int rk_fb_get_display_policy(void)
  98 {
  99         struct rk_fb *rk_fb;
 100
 101         if (fb_pdev) {
 102                 rk_fb = platform_get_drvdata(fb_pdev);
 103                 return rk_fb->disp_policy;
 104         } else {
 105                 return DISPLAY_POLICY_SDK;
 106         }
 107 }
 108
 109 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 110 {
 111         switch (type) {
 112         case SCREEN_RGB:
 113         case SCREEN_LVDS:
 114         case SCREEN_DUAL_LVDS:
 115         case SCREEN_LVDS_10BIT:
 116         case SCREEN_DUAL_LVDS_10BIT:
 117                 trsm_lvds_ops = ops;
 118                 break;
 119         case SCREEN_EDP:
 120                 trsm_edp_ops = ops;
 121                 break;
 122         case SCREEN_MIPI:
 123         case SCREEN_DUAL_MIPI:
 124                 trsm_mipi_ops = ops;
 125                 break;
 126         default:
 127                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 128                        __func__, type);
 129                 break;
 130         }
 131         return 0;
 132 }
 133
 134 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 135 {
 136         struct rk_fb_trsm_ops *ops;
 137         switch (type) {
 138         case SCREEN_RGB:
 139         case SCREEN_LVDS:
 140         case SCREEN_DUAL_LVDS:
 141         case SCREEN_LVDS_10BIT:
 142         case SCREEN_DUAL_LVDS_10BIT:
 143                 ops = trsm_lvds_ops;
 144                 break;
 145         case SCREEN_EDP:
 146                 ops = trsm_edp_ops;
 147                 break;
 148         case SCREEN_MIPI:
 149         case SCREEN_DUAL_MIPI:
 150                 ops = trsm_mipi_ops;
 151                 break;
 152         default:
 153                 ops = NULL;
 154                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 155                        __func__, type);
 156                 break;
 157         }
 158         return ops;
 159 }
 160
 161 int rk_fb_pixel_width(int data_format)
 162 {
 163         int pixel_width;
 164         switch (data_format) {
 165         case XBGR888:
 166         case ABGR888:
 167         case ARGB888:
 168         case FBDC_ARGB_888:
 169         case FBDC_ABGR_888:
 170         case FBDC_RGBX_888:
 171                 pixel_width = 4 * 8;
 172                 break;
 173         case RGB888:
 174                 pixel_width = 3 * 8;
 175                 break;
 176         case RGB565:
 177         case FBDC_RGB_565:
 178                 pixel_width = 2 * 8;
 179                 break;
 180         case YUV422:
 181         case YUV420:
 182         case YUV420_NV21:
 183         case YUV444:
 184                 pixel_width = 1 * 8;
 185                 break;
 186         case YUV422_A:
 187         case YUV420_A:
 188         case YUV444_A:
 189                 pixel_width = 8;
 190                 break;
 191         default:
 192                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 193                        __func__, data_format);
 194                 return -EINVAL;
 195         }
 196         return pixel_width;
 197 }
 198
 199 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 200 {
 201         int fb_data_fmt;
 202         if (data_format) {
 203                 switch (data_format) {
 204                 case HAL_PIXEL_FORMAT_RGBX_8888:
 205                         fb_data_fmt = XBGR888;
 206                         break;
 207                 case HAL_PIXEL_FORMAT_RGBA_8888:
 208                         fb_data_fmt = ABGR888;
 209                         break;
 210                 case HAL_PIXEL_FORMAT_BGRA_8888:
 211                         fb_data_fmt = ARGB888;
 212                         break;
 213                 case HAL_PIXEL_FORMAT_RGB_888:
 214                         fb_data_fmt = RGB888;
 215                         break;
 216                 case HAL_PIXEL_FORMAT_RGB_565:
 217                         fb_data_fmt = RGB565;
 218                         break;
 219                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 220                         fb_data_fmt = YUV422;
 221                         break;
 222                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 223                         fb_data_fmt = YUV420_NV21;
 224                         break;
 225                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 226                         fb_data_fmt = YUV420;
 227                         break;
 228                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 229                         fb_data_fmt = YUV444;
 230                         break;
 231                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 232                         fb_data_fmt = YUV420_A;
 233                         break;
 234                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 235                         fb_data_fmt = YUV422_A;
 236                         break;
 237                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 238                         fb_data_fmt = YUV444_A;
 239                         break;
 240                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 241                         fb_data_fmt = FBDC_RGB_565;
 242                         break;
 243                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 244                         fb_data_fmt = FBDC_ARGB_888;
 245                         break;
 246                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 247                         fb_data_fmt = FBDC_ABGR_888;
 248                         break;
 249                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 250                         fb_data_fmt = FBDC_RGBX_888;
 251                         break;
 252                 default:
 253                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 254                                __func__, data_format);
 255                         return -EINVAL;
 256                 }
 257         } else {
 258                 switch (bits_per_pixel) {
 259                 case 32:
 260                         fb_data_fmt = ARGB888;
 261                         break;
 262                 case 24:
 263                         fb_data_fmt = RGB888;
 264                         break;
 265                 case 16:
 266                         fb_data_fmt = RGB565;
 267                         break;
 268                 default:
 269                         printk(KERN_WARNING
 270                                "%s:un supported bits_per_pixel:%d\n", __func__,
 271                                bits_per_pixel);
 272                         break;
 273                 }
 274         }
 275         return fb_data_fmt;
 276 }
 277
 278 /*
 279  * rk display power control parse from dts
 280  */
 281 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 282 {
 283         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 284                                                         "power_ctr");
 285         struct device_node *child;
 286         struct rk_disp_pwr_ctr_list *pwr_ctr;
 287         struct list_head *pos;
 288         enum of_gpio_flags flags;
 289         u32 val = 0;
 290         u32 debug = 0;
 291         int ret;
 292
 293         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 294         if (!root) {
 295                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 296                         dev_drv->id);
 297                 return -ENODEV;
 298         }
 299
 300         for_each_child_of_node(root, child) {
 301                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 302                                   GFP_KERNEL);
 303                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 304                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 305                         if (val == GPIO) {
 306                                 pwr_ctr->pwr_ctr.type = GPIO;
 307                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 308                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 309                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 310                                                 child->name);
 311                                         return -EINVAL;
 312                                 }
 313                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 314                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 315                                                    child->name);
 316                                 if (ret) {
 317                                         dev_err(dev_drv->dev,
 318                                                 "request %s gpio fail:%d\n",
 319                                                 child->name, ret);
 320                                 }
 321
 322                         } else {
 323                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 324                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 325                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 326                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 327                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 328                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 329                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 330                                         pwr_ctr->pwr_ctr.volt = val;
 331                                 else
 332                                         pwr_ctr->pwr_ctr.volt = 0;
 333                         }
 334                 };
 335
 336                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 337                         pwr_ctr->pwr_ctr.delay = val;
 338                 else
 339                         pwr_ctr->pwr_ctr.delay = 0;
 340                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 341         }
 342
 343         of_property_read_u32(root, "rockchip,debug", &debug);
 344
 345         if (debug) {
 346                 list_for_each(pos, &dev_drv->pwrlist_head) {
 347                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 348                                              list);
 349                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 350                                "pwr_type:%s\n"
 351                                "gpio:%d\n"
 352                                "atv_val:%d\n"
 353                                "delay:%d\n\n",
 354                                pwr_ctr->pwr_ctr.name,
 355                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 356                                pwr_ctr->pwr_ctr.gpio,
 357                                pwr_ctr->pwr_ctr.atv_val,
 358                                pwr_ctr->pwr_ctr.delay);
 359                 }
 360         }
 361
 362         return 0;
 363
 364 }
 365
 366 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 367 {
 368         struct list_head *pos;
 369         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 370         struct pwr_ctr *pwr_ctr;
 371         struct regulator *regulator_lcd = NULL;
 372         int count = 10;
 373
 374         if (list_empty(&dev_drv->pwrlist_head))
 375                 return 0;
 376         list_for_each(pos, &dev_drv->pwrlist_head) {
 377                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 378                                           list);
 379                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 380                 if (pwr_ctr->type == GPIO) {
 381                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 382                         mdelay(pwr_ctr->delay);
 383                 } else if (pwr_ctr->type == REGULATOR) {
 384                         if (pwr_ctr->rgl_name)
 385                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 386                         if (regulator_lcd == NULL) {
 387                                 dev_err(dev_drv->dev,
 388                                         "%s: regulator get failed,regulator name:%s\n",
 389                                         __func__, pwr_ctr->rgl_name);
 390                                 continue;
 391                         }
 392                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 393                         while (!regulator_is_enabled(regulator_lcd)) {
 394                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 395                                         break;
 396                                 else
 397                                         dev_err(dev_drv->dev,
 398                                                 "regulator_enable failed,count=%d\n",
 399                                                 count);
 400                                 count--;
 401                         }
 402                         regulator_put(regulator_lcd);
 403                         msleep(pwr_ctr->delay);
 404                 }
 405         }
 406
 407         return 0;
 408 }
 409
 410 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 411 {
 412         struct list_head *pos;
 413         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 414         struct pwr_ctr *pwr_ctr;
 415         struct regulator *regulator_lcd = NULL;
 416         int count = 10;
 417
 418         if (list_empty(&dev_drv->pwrlist_head))
 419                 return 0;
 420         list_for_each(pos, &dev_drv->pwrlist_head) {
 421                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 422                                           list);
 423                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 424                 if (pwr_ctr->type == GPIO) {
 425                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 426                 } else if (pwr_ctr->type == REGULATOR) {
 427                         if (pwr_ctr->rgl_name)
 428                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 429                         if (regulator_lcd == NULL) {
 430                                 dev_err(dev_drv->dev,
 431                                         "%s: regulator get failed,regulator name:%s\n",
 432                                         __func__, pwr_ctr->rgl_name);
 433                                 continue;
 434                         }
 435                         while (regulator_is_enabled(regulator_lcd) > 0) {
 436                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 437                                         break;
 438                                 else
 439                                         dev_err(dev_drv->dev,
 440                                                 "regulator_disable failed,count=%d\n",
 441                                                 count);
 442                                 count--;
 443                         }
 444                         regulator_put(regulator_lcd);
 445                 }
 446         }
 447         return 0;
 448 }
 449
 450 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 451                                  struct rk_screen *screen)
 452 {
 453         screen->mode.pixclock = dt->pixelclock.typ;
 454         screen->mode.left_margin = dt->hback_porch.typ;
 455         screen->mode.right_margin = dt->hfront_porch.typ;
 456         screen->mode.xres = dt->hactive.typ;
 457         screen->mode.hsync_len = dt->hsync_len.typ;
 458         screen->mode.upper_margin = dt->vback_porch.typ;
 459         screen->mode.lower_margin = dt->vfront_porch.typ;
 460         screen->mode.yres = dt->vactive.typ;
 461         screen->mode.vsync_len = dt->vsync_len.typ;
 462         screen->type = dt->screen_type;
 463         screen->lvds_format = dt->lvds_format;
 464         screen->face = dt->face;
 465         screen->color_mode = dt->color_mode;
 466         screen->dsp_lut = dt->dsp_lut;
 467         screen->cabc_lut = dt->cabc_lut;
 468         screen->cabc_gamma_base = dt->cabc_gamma_base;
 469
 470         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 471                 screen->pin_dclk = 1;
 472         else
 473                 screen->pin_dclk = 0;
 474         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 475                 screen->pin_hsync = 1;
 476         else
 477                 screen->pin_hsync = 0;
 478         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 479                 screen->pin_vsync = 1;
 480         else
 481                 screen->pin_vsync = 0;
 482         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 483                 screen->pin_den = 1;
 484         else
 485                 screen->pin_den = 0;
 486
 487         return 0;
 488
 489 }
 490
 491 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 492 {
 493         struct display_timings *disp_timing;
 494         struct display_timing *dt;
 495         disp_timing = of_get_display_timings(np);
 496         if (!disp_timing) {
 497                 pr_err("parse display timing err\n");
 498                 return -EINVAL;
 499         }
 500         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 501         rk_fb_video_mode_from_timing(dt, screen);
 502         return 0;
 503
 504 }
 505
 506 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 507 {
 508         int x, y;
 509         unsigned long long hz;
 510         if (!screen) {
 511                 printk(KERN_ERR "%s:null screen!\n", __func__);
 512                 return 0;
 513         }
 514         x = screen->mode.xres + screen->mode.left_margin +
 515             screen->mode.right_margin + screen->mode.hsync_len;
 516         y = screen->mode.yres + screen->mode.upper_margin +
 517             screen->mode.lower_margin + screen->mode.vsync_len;
 518
 519         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 520
 521         hz += (x * y) / 2;
 522         do_div(hz, x * y);      /* divide by x * y with rounding */
 523
 524         hz += pixclock / 2;
 525         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 526
 527         return hz;
 528 }
 529
 530 char *get_format_string(enum data_format format, char *fmt)
 531 {
 532         if (!fmt)
 533                 return NULL;
 534         switch (format) {
 535         case ARGB888:
 536                 strcpy(fmt, "ARGB888");
 537                 break;
 538         case RGB888:
 539                 strcpy(fmt, "RGB888");
 540                 break;
 541         case RGB565:
 542                 strcpy(fmt, "RGB565");
 543                 break;
 544         case YUV420:
 545         case YUV420_NV21:
 546                 strcpy(fmt, "YUV420");
 547                 break;
 548         case YUV422:
 549                 strcpy(fmt, "YUV422");
 550                 break;
 551         case YUV444:
 552                 strcpy(fmt, "YUV444");
 553                 break;
 554         case YUV420_A:
 555                 strcpy(fmt, "YUV420_A");
 556                 break;
 557         case YUV422_A:
 558                 strcpy(fmt, "YUV422_A");
 559                 break;
 560         case YUV444_A:
 561                 strcpy(fmt, "YUV444_A");
 562                 break;
 563         case XRGB888:
 564                 strcpy(fmt, "XRGB888");
 565                 break;
 566         case XBGR888:
 567                 strcpy(fmt, "XBGR888");
 568                 break;
 569         case ABGR888:
 570                 strcpy(fmt, "ABGR888");
 571                 break;
 572         case FBDC_RGB_565:
 573                 strcpy(fmt, "FBDC_RGB_565");
 574                 break;
 575         case FBDC_ARGB_888:
 576         case FBDC_ABGR_888:
 577                 strcpy(fmt, "FBDC_ARGB_888");
 578                 break;
 579         case FBDC_RGBX_888:
 580                 strcpy(fmt, "FBDC_RGBX_888");
 581                 break;
 582         default:
 583                 strcpy(fmt, "invalid");
 584                 break;
 585         }
 586
 587         return fmt;
 588
 589 }
 590
 591 /*
 592  * this is for hdmi
 593  * name: lcdc device name ,lcdc0 , lcdc1
 594  */
 595 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 596 {
 597         struct rk_fb *inf = NULL;
 598         struct rk_lcdc_driver *dev_drv = NULL;
 599         int i = 0;
 600
 601         if (likely(fb_pdev))
 602                 inf = platform_get_drvdata(fb_pdev);
 603         else
 604                 return NULL;
 605
 606         for (i = 0; i < inf->num_lcdc; i++) {
 607                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 608                         dev_drv = inf->lcdc_dev_drv[i];
 609                         break;
 610                 }
 611         }
 612
 613         return dev_drv;
 614 }
 615
 616 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 617 {
 618         struct rk_fb *inf = NULL;
 619         struct rk_lcdc_driver *dev_drv = NULL;
 620         int i = 0;
 621
 622         if (likely(fb_pdev))
 623                 inf = platform_get_drvdata(fb_pdev);
 624         else
 625                 return NULL;
 626
 627         for (i = 0; i < inf->num_lcdc; i++) {
 628                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 629                         dev_drv = inf->lcdc_dev_drv[i];
 630                         break;
 631                 }
 632         }
 633
 634         return dev_drv;
 635 }
 636
 637 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 638 {
 639         struct rk_fb *inf = NULL;
 640         struct rk_lcdc_driver *dev_drv = NULL;
 641         int i = 0;
 642
 643         if (likely(fb_pdev))
 644                 inf = platform_get_drvdata(fb_pdev);
 645         else
 646                 return NULL;
 647
 648         for (i = 0; i < inf->num_lcdc; i++) {
 649                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 650                         dev_drv = inf->lcdc_dev_drv[i];
 651                         break;
 652                 }
 653         }
 654
 655         return dev_drv;
 656 }
 657
 658 /*
 659  * get one frame time of the prmry screen, unit: us
 660  */
 661 u32 rk_fb_get_prmry_screen_ft(void)
 662 {
 663         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 664         uint32_t htotal, vtotal, pixclock_ps;
 665         u64 pix_total, ft_us;
 666
 667         if (unlikely(!dev_drv))
 668                 return 0;
 669
 670         pixclock_ps = dev_drv->pixclock;
 671
 672         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 673                  dev_drv->cur_screen->mode.lower_margin +
 674                  dev_drv->cur_screen->mode.yres +
 675                  dev_drv->cur_screen->mode.vsync_len);
 676         htotal = (dev_drv->cur_screen->mode.left_margin +
 677                  dev_drv->cur_screen->mode.right_margin +
 678                  dev_drv->cur_screen->mode.xres +
 679                  dev_drv->cur_screen->mode.hsync_len);
 680         pix_total = htotal * vtotal;
 681         ft_us = pix_total * pixclock_ps;
 682         do_div(ft_us, 1000000);
 683         if (dev_drv->frame_time.ft == 0)
 684                 dev_drv->frame_time.ft = ft_us;
 685
 686         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 687         do_div(ft_us, 1000);
 688         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 689         if (ft_us != 0)
 690                 dev_drv->frame_time.ft = ft_us;
 691
 692         return dev_drv->frame_time.ft;
 693 }
 694
 695 /*
 696  * get the vblanking time of the prmry screen, unit: us
 697  */
 698 u32 rk_fb_get_prmry_screen_vbt(void)
 699 {
 700         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 701         uint32_t htotal, vblank, pixclock_ps;
 702         u64 pix_blank, vbt_us;
 703
 704         if (unlikely(!dev_drv))
 705                 return 0;
 706
 707         pixclock_ps = dev_drv->pixclock;
 708
 709         htotal = (dev_drv->cur_screen->mode.left_margin +
 710                  dev_drv->cur_screen->mode.right_margin +
 711                  dev_drv->cur_screen->mode.xres +
 712                  dev_drv->cur_screen->mode.hsync_len);
 713         vblank = (dev_drv->cur_screen->mode.upper_margin +
 714                  dev_drv->cur_screen->mode.lower_margin +
 715                  dev_drv->cur_screen->mode.vsync_len);
 716         pix_blank = htotal * vblank;
 717         vbt_us = pix_blank * pixclock_ps;
 718         do_div(vbt_us, 1000000);
 719         return (u32)vbt_us;
 720 }
 721
 722 /*
 723  * get the frame done time of the prmry screen, unit: us
 724  */
 725 u64 rk_fb_get_prmry_screen_framedone_t(void)
 726 {
 727         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 728
 729         if (unlikely(!dev_drv))
 730                 return 0;
 731         else
 732                 return dev_drv->frame_time.framedone_t;
 733 }
 734
 735 /*
 736  * set prmry screen status
 737  */
 738 int rk_fb_set_prmry_screen_status(int status)
 739 {
 740         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 741         struct rk_screen *screen;
 742
 743         if (unlikely(!dev_drv))
 744                 return 0;
 745
 746         screen = dev_drv->cur_screen;
 747         switch (status) {
 748         case SCREEN_PREPARE_DDR_CHANGE:
 749                 if (screen->type == SCREEN_MIPI
 750                         || screen->type == SCREEN_DUAL_MIPI) {
 751                         if (dev_drv->trsm_ops->dsp_pwr_off)
 752                                 dev_drv->trsm_ops->dsp_pwr_off();
 753                 }
 754                 break;
 755         case SCREEN_UNPREPARE_DDR_CHANGE:
 756                 if (screen->type == SCREEN_MIPI
 757                         || screen->type == SCREEN_DUAL_MIPI) {
 758                         if (dev_drv->trsm_ops->dsp_pwr_on)
 759                                 dev_drv->trsm_ops->dsp_pwr_on();
 760                 }
 761                 break;
 762         default:
 763                 break;
 764         }
 765
 766         return 0;
 767 }
 768
 769 u32 rk_fb_get_prmry_screen_pixclock(void)
 770 {
 771         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 772
 773         if (unlikely(!dev_drv))
 774                 return 0;
 775         else
 776                 return dev_drv->pixclock;
 777 }
 778
 779 int rk_fb_poll_prmry_screen_vblank(void)
 780 {
 781         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 782
 783         if (likely(dev_drv)) {
 784                 if (dev_drv->ops->poll_vblank)
 785                         return dev_drv->ops->poll_vblank(dev_drv);
 786                 else
 787                         return RK_LF_STATUS_NC;
 788         } else {
 789                 return RK_LF_STATUS_NC;
 790         }
 791 }
 792
 793 bool rk_fb_poll_wait_frame_complete(void)
 794 {
 795         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 796         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 797
 798         if (likely(dev_drv)) {
 799                 if (dev_drv->ops->set_irq_to_cpu)
 800                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 801         }
 802
 803         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 804                 if (likely(dev_drv)) {
 805                         if (dev_drv->ops->set_irq_to_cpu)
 806                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 807                 }
 808                 return false;
 809         }
 810         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 811                 ;
 812         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 813                 ;
 814         if (likely(dev_drv)) {
 815                 if (dev_drv->ops->set_irq_to_cpu)
 816                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 817         }
 818
 819         return true;
 820 }
 821
 822
 823 /* rk_fb_get_sysmmu_device_by_compatible()
 824  * @compt: dts device compatible name
 825  * return value: success: pointer to the device inside of platform device
 826  *               fail: NULL
 827  */
 828 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 829 {
 830         struct device_node *dn = NULL;
 831         struct platform_device *pd = NULL;
 832         struct device *ret = NULL ;
 833
 834         dn = of_find_compatible_node(NULL, NULL, compt);
 835         if (!dn) {
 836                 printk("can't find device node %s \r\n", compt);
 837                 return NULL;
 838         }
 839
 840         pd = of_find_device_by_node(dn);
 841         if (!pd) {
 842                 printk("can't find platform device in device node %s \r\n", compt);
 843                 return  NULL;
 844         }
 845         ret = &pd->dev;
 846
 847         return ret;
 848 }
 849
 850 #ifdef CONFIG_IOMMU_API
 851 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 852 {
 853         dev->archdata.iommu = sysmmu;
 854 }
 855 #else
 856 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 857 {
 858
 859 }
 860 #endif
 861
 862 static int rk_fb_open(struct fb_info *info, int user)
 863 {
 864         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 865         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 866         int win_id;
 867
 868         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 869         fb_par->state++;
 870         /* if this win aready opened ,no need to reopen */
 871         if (dev_drv->win[win_id]->state)
 872                 return 0;
 873         else
 874                 dev_drv->ops->open(dev_drv, win_id, 1);
 875         return 0;
 876 }
 877
 878 static int rk_fb_close(struct fb_info *info, int user)
 879 {
 880         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 881         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 882         struct rk_lcdc_win *win = NULL;
 883         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 884
 885         if (win_id >= 0) {
 886                 win = dev_drv->win[win_id];
 887                 if (fb_par->state)
 888                         fb_par->state--;
 889                 if (!fb_par->state) {
 890                         if (fb_par->fb_phy_base > 0)
 891                                 info->fix.smem_start = fb_par->fb_phy_base;
 892                         info->var.xres = dev_drv->screen0->mode.xres;
 893                         info->var.yres = dev_drv->screen0->mode.yres;
 894                         /*
 895                         info->var.grayscale |=
 896                             (info->var.xres << 8) + (info->var.yres << 20);
 897                         */
 898                         info->var.xres_virtual = info->var.xres;
 899                         info->var.yres_virtual = info->var.yres;
 900 #if defined(CONFIG_LOGO_LINUX_BMP)
 901                         info->var.bits_per_pixel = 32;
 902 #else
 903                         info->var.bits_per_pixel = 16;
 904 #endif
 905                         info->fix.line_length =
 906                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 907                         info->var.width = dev_drv->screen0->width;
 908                         info->var.height = dev_drv->screen0->height;
 909                         info->var.pixclock = dev_drv->pixclock;
 910                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 911                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 912                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 913                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 914                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 915                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 916                 }
 917         }
 918
 919         return 0;
 920 }
 921
 922 #if defined(FB_ROATE_BY_KERNEL)
 923
 924 #if defined(CONFIG_RK29_IPP)
 925 static int get_ipp_format(int fmt)
 926 {
 927         int ipp_fmt = IPP_XRGB_8888;
 928         switch (fmt) {
 929         case HAL_PIXEL_FORMAT_RGBX_8888:
 930         case HAL_PIXEL_FORMAT_RGBA_8888:
 931         case HAL_PIXEL_FORMAT_BGRA_8888:
 932         case HAL_PIXEL_FORMAT_RGB_888:
 933                 ipp_fmt = IPP_XRGB_8888;
 934                 break;
 935         case HAL_PIXEL_FORMAT_RGB_565:
 936                 ipp_fmt = IPP_RGB_565;
 937                 break;
 938         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 939                 ipp_fmt = IPP_Y_CBCR_H2V1;
 940                 break;
 941         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 942                 ipp_fmt = IPP_Y_CBCR_H2V2;
 943                 break;
 944         case HAL_PIXEL_FORMAT_YCrCb_444:
 945                 ipp_fmt = IPP_Y_CBCR_H1V1;
 946                 break;
 947         default:
 948                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 949                 break;
 950         }
 951
 952         return ipp_fmt;
 953 }
 954
 955 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 956                           int rotation, int fmt)
 957 {
 958         int align16 = 2;
 959         int align64 = 8;
 960
 961         if (fmt == IPP_XRGB_8888) {
 962                 align16 = 1;
 963                 align64 = 2;
 964         } else if (fmt == IPP_RGB_565) {
 965                 align16 = 1;
 966                 align64 = 4;
 967         } else {
 968                 align16 = 2;
 969                 align64 = 8;
 970         }
 971         align16 -= 1;           /*for YUV, 1 */
 972         align64 -= 1;           /*for YUV, 7 */
 973
 974         if (rotation == IPP_ROT_0) {
 975                 if (fmt > IPP_RGB_565) {
 976                         if ((*dst_w & 1) != 0)
 977                                 *dst_w = *dst_w + 1;
 978                         if ((*dst_h & 1) != 0)
 979                                 *dst_h = *dst_h + 1;
 980                         if (*dst_vir_w < *dst_w)
 981                                 *dst_vir_w = *dst_w;
 982                 }
 983         } else {
 984                 if ((*dst_w & align64) != 0)
 985                         *dst_w = (*dst_w + align64) & (~align64);
 986                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 987                         *dst_h = *dst_h + 1;
 988                 if (*dst_vir_w < *dst_w)
 989                         *dst_vir_w = *dst_w;
 990         }
 991 }
 992
 993 static void fb_copy_by_ipp(struct fb_info *dst_info,
 994                                 struct fb_info *src_info)
 995 {
 996         struct rk29_ipp_req ipp_req;
 997         uint32_t rotation = 0;
 998         int dst_w, dst_h, dst_vir_w;
 999         int ipp_fmt;
1000         u8 data_format = (dst_info->var.nonstd) & 0xff;
1001         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1002         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1003         u16 orientation = ext_dev_drv->rotate_mode;
1004
1005         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1006
1007         switch (orientation) {
1008         case 0:
1009                 rotation = IPP_ROT_0;
1010                 break;
1011         case ROTATE_90:
1012                 rotation = IPP_ROT_90;
1013                 break;
1014         case ROTATE_180:
1015                 rotation = IPP_ROT_180;
1016                 break;
1017         case ROTATE_270:
1018                 rotation = IPP_ROT_270;
1019                 break;
1020         default:
1021                 rotation = IPP_ROT_270;
1022                 break;
1023         }
1024
1025         dst_w = dst_info->var.xres;
1026         dst_h = dst_info->var.yres;
1027         dst_vir_w = dst_info->var.xres_virtual;
1028         ipp_fmt = get_ipp_format(data_format);
1029         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1030         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1031         ipp_req.src0.w = src_info->var.xres;
1032         ipp_req.src0.h = src_info->var.yres;
1033         ipp_req.src_vir_w = src_info->var.xres_virtual;
1034         ipp_req.src0.fmt = ipp_fmt;
1035
1036         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1037         ipp_req.dst0.w = dst_w;
1038         ipp_req.dst0.h = dst_h;
1039         ipp_req.dst_vir_w = dst_vir_w;
1040         ipp_req.dst0.fmt = ipp_fmt;
1041
1042         ipp_req.timeout = 100;
1043         ipp_req.flag = rotation;
1044         ipp_blit_sync(&ipp_req);
1045 }
1046
1047 #endif
1048
1049 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1050 static int get_rga_format(int fmt)
1051 {
1052         int rga_fmt = 0;
1053
1054         switch (fmt) {
1055         case XBGR888:
1056                 rga_fmt = RK_FORMAT_RGBX_8888;
1057                 break;
1058         case ABGR888:
1059                 rga_fmt = RK_FORMAT_RGBA_8888;
1060                 break;
1061         case ARGB888:
1062                 rga_fmt = RK_FORMAT_BGRA_8888;
1063                 break;
1064         case RGB888:
1065                 rga_fmt = RK_FORMAT_RGB_888;
1066                 break;
1067         case RGB565:
1068                 rga_fmt = RK_FORMAT_RGB_565;
1069                 break;
1070         case YUV422:
1071                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1072                 break;
1073         case YUV420:
1074                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1075                 break;
1076         default:
1077                 rga_fmt = RK_FORMAT_RGBA_8888;
1078                 break;
1079         }
1080
1081         return rga_fmt;
1082 }
1083
1084 static void rga_win_check(struct rk_lcdc_win *dst_win,
1085                           struct rk_lcdc_win *src_win)
1086 {
1087         int format = 0;
1088
1089         format = get_rga_format(src_win->area[0].format);
1090         /* width and height must be even number */
1091         if (format >= RK_FORMAT_YCbCr_422_SP &&
1092             format <= RK_FORMAT_YCrCb_420_P) {
1093                 if ((src_win->area[0].xact % 2) != 0)
1094                         src_win->area[0].xact += 1;
1095                 if ((src_win->area[0].yact % 2) != 0)
1096                         src_win->area[0].yact += 1;
1097         }
1098         if (src_win->area[0].xvir < src_win->area[0].xact)
1099                 src_win->area[0].xvir = src_win->area[0].xact;
1100         if (src_win->area[0].yvir < src_win->area[0].yact)
1101                 src_win->area[0].yvir = src_win->area[0].yact;
1102
1103         format = get_rga_format(dst_win->area[0].format);
1104         if (format >= RK_FORMAT_YCbCr_422_SP &&
1105             format <= RK_FORMAT_YCrCb_420_P) {
1106                 if ((dst_win->area[0].xact % 2) != 0)
1107                         dst_win->area[0].xact += 1;
1108                 if ((dst_win->area[0].yact % 2) != 0)
1109                         dst_win->area[0].yact += 1;
1110         }
1111         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1112                 dst_win->area[0].xvir = dst_win->area[0].xact;
1113         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1114                 dst_win->area[0].yvir = dst_win->area[0].yact;
1115 }
1116
1117 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1118                             struct rk_lcdc_win *src_win,
1119                             u16 orientation, int iommu_en)
1120 {
1121         struct rga_req Rga_Request;
1122         long ret = 0;
1123         /* int fd = 0; */
1124
1125         memset(&Rga_Request, 0, sizeof(Rga_Request));
1126         rga_win_check(dst_win, src_win);
1127
1128         switch (orientation) {
1129         case ROTATE_90:
1130                 Rga_Request.rotate_mode = 1;
1131                 Rga_Request.sina = 65536;
1132                 Rga_Request.cosa = 0;
1133                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1134                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1135                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1136                 Rga_Request.dst.y_offset = 0;
1137                 break;
1138         case ROTATE_180:
1139                 Rga_Request.rotate_mode = 1;
1140                 Rga_Request.sina = 0;
1141                 Rga_Request.cosa = -65536;
1142                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1143                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1144                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1145                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1146                 break;
1147         case ROTATE_270:
1148                 Rga_Request.rotate_mode = 1;
1149                 Rga_Request.sina = -65536;
1150                 Rga_Request.cosa = 0;
1151                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1152                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1153                 Rga_Request.dst.x_offset = 0;
1154                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1155                 break;
1156         default:
1157                 Rga_Request.rotate_mode = 0;
1158                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1159                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1160                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1161                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1162                 break;
1163         }
1164
1165 /*
1166         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1167         Rga_Request.src.yrgb_addr = fd;
1168         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1169         Rga_Request.dst.yrgb_addr = fd;
1170 */
1171         Rga_Request.src.yrgb_addr = 0;
1172         Rga_Request.src.uv_addr =
1173             src_win->area[0].smem_start + src_win->area[0].y_offset;
1174         Rga_Request.src.v_addr = 0;
1175
1176         Rga_Request.dst.yrgb_addr = 0;
1177         Rga_Request.dst.uv_addr =
1178             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1179         Rga_Request.dst.v_addr = 0;
1180
1181         Rga_Request.src.vir_w = src_win->area[0].xvir;
1182         Rga_Request.src.vir_h = src_win->area[0].yvir;
1183         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1184         Rga_Request.src.act_w = src_win->area[0].xact;
1185         Rga_Request.src.act_h = src_win->area[0].yact;
1186         Rga_Request.src.x_offset = 0;
1187         Rga_Request.src.y_offset = 0;
1188
1189         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1190         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1191         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1192
1193         Rga_Request.clip.xmin = 0;
1194         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1195         Rga_Request.clip.ymin = 0;
1196         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1197         Rga_Request.scale_mode = 0;
1198 #if defined(CONFIG_ROCKCHIP_IOMMU)
1199         if (iommu_en) {
1200                 Rga_Request.mmu_info.mmu_en = 1;
1201                 Rga_Request.mmu_info.mmu_flag = 1;
1202         } else {
1203                 Rga_Request.mmu_info.mmu_en = 0;
1204                 Rga_Request.mmu_info.mmu_flag = 0;
1205         }
1206 #else
1207         Rga_Request.mmu_info.mmu_en = 0;
1208         Rga_Request.mmu_info.mmu_flag = 0;
1209 #endif
1210
1211         ret = rga_ioctl_kernel(&Rga_Request);
1212 }
1213
1214 /*
1215  * This function is used for copying fb by RGA Module
1216  * RGA only support copy RGB to RGB
1217  * RGA2 support copy RGB to RGB and YUV to YUV
1218  */
1219 static void fb_copy_by_rga(struct fb_info *dst_info,
1220                                 struct fb_info *src_info)
1221 {
1222         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1223         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1224         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1225         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1226         int win_id = 0, ext_win_id;
1227         struct rk_lcdc_win *src_win, *dst_win;
1228
1229         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1230         src_win = dev_drv->win[win_id];
1231
1232         ext_win_id =
1233             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1234         dst_win = ext_dev_drv->win[ext_win_id];
1235
1236         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1237                         ext_dev_drv->iommu_enabled);
1238 }
1239 #endif
1240
1241 static int rk_fb_rotate(struct fb_info *dst_info,
1242                           struct fb_info *src_info)
1243 {
1244
1245 #if defined(CONFIG_RK29_IPP)
1246         fb_copy_by_ipp(dst_info, src_info);
1247 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1248         fb_copy_by_rga(dst_info, src_info);
1249 #else
1250         return -1;
1251 #endif
1252         return 0;
1253 }
1254
1255 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1256                                             struct rk_lcdc_win *src_win,
1257                                             u16 rotate, int iommu_en)
1258 {
1259 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1260         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1261 #else
1262         return -1;
1263 #endif
1264         return 0;
1265 }
1266
1267 #endif
1268
1269 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1270                              struct fb_info *info)
1271 {
1272         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1273         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1274         struct fb_fix_screeninfo *fix = &info->fix;
1275         int win_id = 0;
1276         struct rk_lcdc_win *win = NULL;
1277         struct rk_screen *screen = dev_drv->cur_screen;
1278         u32 xoffset = var->xoffset;
1279         u32 yoffset = var->yoffset;
1280         u32 xvir = var->xres_virtual;
1281         u8 pixel_width;
1282         u32 vir_width_bit;
1283         u32 stride, uv_stride;
1284         u32 stride_32bit_1;
1285         u32 stride_32bit_2;
1286         u16 uv_x_off, uv_y_off, uv_y_act;
1287         u8 is_pic_yuv = 0;
1288
1289         if (dev_drv->suspend_flag)
1290                 return 0;
1291         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1292         if (win_id < 0)
1293                 return -ENODEV;
1294         else
1295                 win = dev_drv->win[win_id];
1296
1297         pixel_width = rk_fb_pixel_width(win->area[0].format);
1298         vir_width_bit = pixel_width * xvir;
1299         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1300         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1301
1302         switch (win->area[0].format) {
1303         case YUV422:
1304         case YUV422_A:
1305                 is_pic_yuv = 1;
1306                 stride = stride_32bit_1;
1307                 uv_stride = stride_32bit_1 >> 1;
1308                 uv_x_off = xoffset >> 1;
1309                 uv_y_off = yoffset;
1310                 fix->line_length = stride;
1311                 uv_y_act = win->area[0].yact >> 1;
1312                 break;
1313         case YUV420:            /* nv12 */
1314         case YUV420_NV21:       /* nv21 */
1315         case YUV420_A:
1316                 is_pic_yuv = 1;
1317                 stride = stride_32bit_1;
1318                 uv_stride = stride_32bit_1;
1319                 uv_x_off = xoffset;
1320                 uv_y_off = yoffset >> 1;
1321                 fix->line_length = stride;
1322                 uv_y_act = win->area[0].yact >> 1;
1323                 break;
1324         case YUV444:
1325         case YUV444_A:
1326                 is_pic_yuv = 1;
1327                 stride = stride_32bit_1;
1328                 uv_stride = stride_32bit_2;
1329                 uv_x_off = xoffset * 2;
1330                 uv_y_off = yoffset;
1331                 fix->line_length = stride << 2;
1332                 uv_y_act = win->area[0].yact;
1333                 break;
1334         default:
1335                 stride = stride_32bit_1;        /* default rgb */
1336                 fix->line_length = stride;
1337                 break;
1338         }
1339
1340         /* x y mirror ,jump line */
1341         if ((screen->y_mirror == 1) ||
1342             (win->mirror_en == 1)) {
1343                 if (screen->interlace == 1) {
1344                         win->area[0].y_offset = yoffset * stride * 2 +
1345                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1346                             xoffset * pixel_width / 8;
1347                 } else {
1348                         win->area[0].y_offset = yoffset * stride +
1349                             (win->area[0].yact - 1) * stride +
1350                             xoffset * pixel_width / 8;
1351                 }
1352         } else {
1353                 if (screen->interlace == 1) {
1354                         win->area[0].y_offset =
1355                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1356                 } else {
1357                         win->area[0].y_offset =
1358                             yoffset * stride + xoffset * pixel_width / 8;
1359                 }
1360         }
1361         if (is_pic_yuv == 1) {
1362                 if ((screen->y_mirror == 1) ||
1363                     (win->mirror_en == 1)) {
1364                         if (screen->interlace == 1) {
1365                                 win->area[0].c_offset =
1366                                     uv_y_off * uv_stride * 2 +
1367                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1368                                     uv_x_off * pixel_width / 8;
1369                         } else {
1370                                 win->area[0].c_offset = uv_y_off * uv_stride +
1371                                     (uv_y_act - 1) * uv_stride +
1372                                     uv_x_off * pixel_width / 8;
1373                         }
1374                 } else {
1375                         if (screen->interlace == 1) {
1376                                 win->area[0].c_offset =
1377                                     uv_y_off * uv_stride * 2 +
1378                                     uv_x_off * pixel_width / 8;
1379                         } else {
1380                                 win->area[0].c_offset =
1381                                     uv_y_off * uv_stride +
1382                                     uv_x_off * pixel_width / 8;
1383                         }
1384                 }
1385         }
1386
1387         win->area[0].smem_start = fix->smem_start;
1388         win->area[0].cbr_start = fix->mmio_start;
1389         win->area[0].state = 1;
1390         win->area_num = 1;
1391
1392         dev_drv->ops->pan_display(dev_drv, win_id);
1393
1394 #ifdef  CONFIG_FB_MIRRORING
1395         if (video_data_to_mirroring)
1396                 video_data_to_mirroring(info, NULL);
1397 #endif
1398         /*if not want the config effect,set reserved[3] bit[0] 1*/
1399         if (likely((var->reserved[3] & 0x1) == 0))
1400                 dev_drv->ops->cfg_done(dev_drv);
1401         if (dev_drv->hdmi_switch)
1402                 mdelay(100);
1403         return 0;
1404 }
1405
1406 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1407 {
1408         int i, j;
1409
1410         i = list_empty(&dev_drv->update_regs_list);
1411         j = list_empty(&dev_drv->saved_list);
1412         return i == j ? 0 : 1;
1413 }
1414
1415 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1416 {
1417         int err = sync_fence_wait(fence, 1000);
1418
1419         if (err >= 0)
1420                 return;
1421
1422         if (err == -ETIME)
1423                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1424
1425         if (err < 0)
1426                 printk("error waiting on fence\n");
1427 }
1428 #if 0
1429 static int rk_fb_copy_from_loader(struct fb_info *info)
1430 {
1431         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1432         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1433         void *dst = info->screen_base;
1434         u32 dsp_addr[4];
1435         u32 src;
1436         u32 i,size;
1437         int win_id;
1438         struct rk_lcdc_win *win;
1439
1440         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1441         win = dev_drv->win[win_id];
1442         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1443         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1444         src = dsp_addr[win_id];
1445         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1446                  win->area[0].xact, win->area[0].yact, src);
1447         for (i = 0; i < size; i += PAGE_SIZE) {
1448                 void *page = phys_to_page(i + src);
1449                 void *from_virt = kmap(page);
1450                 void *to_virt = dst + i;
1451                 memcpy(to_virt, from_virt, PAGE_SIZE);
1452         }
1453         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1454                                       info->fix.smem_start);
1455         return 0;
1456 }
1457 #endif
1458 #ifdef CONFIG_ROCKCHIP_IOMMU
1459 static int g_last_addr[5][4];
1460 static int g_now_config_addr[5][4];
1461 static int g_last_state[5][4];
1462 static int g_now_config_state[5][4];
1463 int g_last_timeout;
1464 u32 freed_addr[10];
1465 u32 freed_index;
1466
1467 #define DUMP_CHUNK 256
1468 char buf[PAGE_SIZE];
1469
1470 int rk_fb_sysmmu_fault_handler(struct device *dev,
1471                                enum rk_iommu_inttype itype,
1472                                unsigned long pgtable_base,
1473                                unsigned long fault_addr, unsigned int status)
1474 {
1475         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1476         int i = 0, j = 0;
1477         static int page_fault_cnt;
1478         if ((page_fault_cnt++) >= 10)
1479                 return 0;
1480         pr_err
1481             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1482              fault_addr, pgtable_base, status);
1483         pr_info("last config addr:\n");
1484         for (i = 0; i < 4; i++) {
1485                 for (j = 0; j < 4; j++)
1486                         pr_info("win[%d],area[%d] = 0x%08x\n",
1487                                 i, j, g_last_addr[i][j]);
1488         }
1489         pr_info("last freed buffer:\n");
1490         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1491                 printk("%d:0x%08x\n", i, freed_addr[i]);
1492         printk("last timeout:%d\n", g_last_timeout);
1493         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1494         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1495                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1496                         char c = buf[i + DUMP_CHUNK];
1497                         buf[i + DUMP_CHUNK] = 0;
1498                         pr_cont("%s", buf + i);
1499                         buf[i + DUMP_CHUNK] = c;
1500                 } else {
1501                         buf[PAGE_SIZE - 1] = 0;
1502                         pr_cont("%s", buf + i);
1503                 }
1504         }
1505
1506         return 0;
1507 }
1508 #endif
1509
1510 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1511                         struct rk_fb_reg_win_data *reg_win_data)
1512 {
1513         int i, index_buf;
1514         struct rk_fb_reg_area_data *area_data;
1515         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1516
1517         for (i = 0; i < reg_win_data->area_num; i++) {
1518                 area_data = &reg_win_data->reg_area_data[i];
1519                 index_buf = area_data->index_buf;
1520 #if defined(CONFIG_ROCKCHIP_IOMMU)
1521                 if (dev_drv->iommu_enabled) {
1522                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1523                              (area_data->ion_handle != NULL))
1524                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1525                                                 area_data->ion_handle);
1526                         freed_addr[freed_index++] = area_data->smem_start;
1527                 }
1528 #endif
1529                 if (area_data->ion_handle != NULL)
1530                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1531
1532                 if (area_data->acq_fence)
1533                         sync_fence_put(area_data->acq_fence);
1534         }
1535         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1536 }
1537
1538 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1539                                 struct rk_lcdc_win *win,
1540                                 struct rk_fb_reg_win_data *reg_win_data)
1541 {
1542         int i = 0;
1543         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1544         struct rk_screen *cur_screen;
1545         struct rk_screen primary_screen;
1546
1547         if (unlikely(!inf) || unlikely(!dev_drv) ||
1548             unlikely(!win) || unlikely(!reg_win_data))
1549                 return;
1550
1551         cur_screen = dev_drv->cur_screen;
1552         rk_fb_get_prmry_screen(&primary_screen);
1553
1554         win->area_num = reg_win_data->area_num;
1555         win->id = reg_win_data->win_id;
1556         win->z_order = reg_win_data->z_order;
1557
1558         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1559                 win->state = 1;
1560                 win->area_num = reg_win_data->area_num;
1561                 win->id = reg_win_data->win_id;
1562                 win->z_order = reg_win_data->z_order;
1563                 win->area[0].uv_vir_stride =
1564                     reg_win_data->reg_area_data[0].uv_vir_stride;
1565                 win->area[0].cbr_start =
1566                     reg_win_data->reg_area_data[0].cbr_start;
1567                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1568                 win->alpha_en = reg_win_data->alpha_en;
1569                 win->alpha_mode = reg_win_data->alpha_mode;
1570                 win->g_alpha_val = reg_win_data->g_alpha_val;
1571                 win->mirror_en = reg_win_data->mirror_en;
1572                 win->area[0].fbdc_en =
1573                         reg_win_data->reg_area_data[0].fbdc_en;
1574                 win->area[0].fbdc_cor_en =
1575                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1576                 win->area[0].fbdc_data_format =
1577                         reg_win_data->reg_area_data[0].fbdc_data_format;
1578                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1579                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1580                                 win->area[i].format =
1581                                         reg_win_data->reg_area_data[i].data_format;
1582                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1583                                         win->area[i].ion_hdl =
1584                                         reg_win_data->reg_area_data[i].ion_handle;
1585                                 win->area[i].smem_start =
1586                                         reg_win_data->reg_area_data[i].smem_start;
1587                                 if (inf->disp_mode == DUAL ||
1588                                     inf->disp_mode == NO_DUAL ||
1589                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1590                                         win->area[i].xpos =
1591                                                 reg_win_data->reg_area_data[i].xpos;
1592                                         win->area[i].ypos =
1593                                                 reg_win_data->reg_area_data[i].ypos;
1594                                         win->area[i].xsize =
1595                                                 reg_win_data->reg_area_data[i].xsize;
1596                                         win->area[i].ysize =
1597                                                 reg_win_data->reg_area_data[i].ysize;
1598                                 } else {
1599                                         win->area[i].xpos =
1600                                                 reg_win_data->reg_area_data[i].xpos *
1601                                                 cur_screen->mode.xres /
1602                                                 primary_screen.mode.xres;
1603                                         win->area[i].ypos =
1604                                                 reg_win_data->reg_area_data[i].ypos *
1605                                                 cur_screen->mode.yres /
1606                                                 primary_screen.mode.yres;
1607                                         win->area[i].xsize =
1608                                                 reg_win_data->reg_area_data[i].xsize *
1609                                                 cur_screen->mode.xres /
1610                                                 primary_screen.mode.xres;
1611                                         win->area[i].ysize =
1612                                                 reg_win_data->reg_area_data[i].ysize *
1613                                                 cur_screen->mode.yres /
1614                                                 primary_screen.mode.yres;
1615
1616                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1617                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1618                                                 if (cur_screen->xsize > 0 &&
1619                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1620                                                         win->area[i].xpos =
1621                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1622                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1623                                                         win->area[i].xsize =
1624                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1625                                                 }
1626                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1627                                                         win->area[i].ypos =
1628                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1629                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1630                                                         win->area[i].ysize =
1631                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1632                                                 }
1633                                         }
1634                                 }
1635                                 win->area[i].xact =
1636                                     reg_win_data->reg_area_data[i].xact;
1637                                 win->area[i].yact =
1638                                     reg_win_data->reg_area_data[i].yact;
1639                                 win->area[i].xvir =
1640                                     reg_win_data->reg_area_data[i].xvir;
1641                                 win->area[i].yvir =
1642                                     reg_win_data->reg_area_data[i].yvir;
1643                                 win->area[i].xoff =
1644                                     reg_win_data->reg_area_data[i].xoff;
1645                                 win->area[i].yoff =
1646                                     reg_win_data->reg_area_data[i].yoff;
1647                                 win->area[i].y_offset =
1648                                     reg_win_data->reg_area_data[i].y_offset;
1649                                 win->area[i].y_vir_stride =
1650                                     reg_win_data->reg_area_data[i].y_vir_stride;
1651                                 win->area[i].state = 1;
1652 #if defined(CONFIG_ROCKCHIP_IOMMU)
1653                                 if (dev_drv->iommu_enabled) {
1654                                         g_now_config_addr[win->id][i] =
1655                                                 win->area[i].smem_start +
1656                                                 win->area[i].y_offset;
1657                                         g_now_config_state[win->id][i] = 1;
1658                                 }
1659 #endif
1660                         } else {
1661                                 win->area[i].state = 0;
1662 #if defined(CONFIG_ROCKCHIP_IOMMU)
1663                                 if (dev_drv->iommu_enabled) {
1664                                         g_now_config_addr[win->id][i] = 0;
1665                                         g_now_config_state[win->id][i] = 0;
1666                                 }
1667 #endif
1668                         }
1669                 }
1670         }
1671 }
1672
1673 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1674                                                      *regs, int win_id)
1675 {
1676         int i;
1677         struct rk_fb_reg_win_data *win_data = NULL;
1678         for (i = 0; i < regs->win_num; i++) {
1679                 if (regs->reg_win_data[i].win_id == win_id) {
1680                         win_data = &(regs->reg_win_data[i]);
1681                         break;
1682                 }
1683         }
1684
1685         return win_data;
1686 }
1687
1688 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1689                              struct rk_fb_reg_data *regs,
1690                              int count)
1691 {
1692         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1693         int i, j, wait_for_vsync = false;
1694         unsigned int dsp_addr[5][4];
1695         int win_status = 0;
1696
1697         if (dev_drv->ops->get_dsp_addr)
1698                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1699
1700         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1701                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1702                     (!strcmp(dev_drv->win[i]->name, "hwc")))
1703                         continue;
1704
1705                 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1706                         if ((j > 0) && (dev_drv->area_support[i] == 1)) {
1707                                 continue;
1708                         }
1709                         if (dev_drv->win[i]->area[j].state == 1) {
1710                                 u32 new_start =
1711                                         dev_drv->win[i]->area[j].smem_start +
1712                                         dev_drv->win[i]->area[j].y_offset;
1713                                 u32 reg_start = dsp_addr[i][j];
1714                                 if ((rk_fb->disp_policy ==
1715                                         DISPLAY_POLICY_BOX) &&
1716                                         (dev_drv->suspend_flag))
1717                                         continue;
1718                                 if (unlikely(new_start != reg_start)) {
1719                                         wait_for_vsync = true;
1720                                         dev_info(dev_drv->dev,
1721                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1722                                                  i, new_start, reg_start, 101 - count);
1723                                         break;
1724                                 }
1725                         } else if (dev_drv->win[i]->area[j].state == 0) {
1726                                 if (dev_drv->ops->get_win_state) {
1727                                         win_status =
1728                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1729                                         if (win_status)
1730                                                 wait_for_vsync = true;
1731                                 }
1732                         } else {
1733                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1734                                        i, dev_drv->win[i]->state);
1735                         }
1736                 }
1737         }
1738
1739         return wait_for_vsync;
1740 }
1741
1742 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1743 {
1744         int i, j, state, page_fault = 0;
1745         unsigned int dsp_addr[5][4];
1746
1747         if (dev_drv->ops->extern_func) {
1748                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1749                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1750         }
1751         if (page_fault) {
1752                 pr_info("last config:\n");
1753                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1754                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1755                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1756                                         continue;
1757                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1758                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1759                         }
1760                 }
1761
1762                 pr_info("last freed buffer:\n");
1763                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1764                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1765
1766                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1767                 pr_info("vop now state:\n");
1768                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1769                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1770                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1771                                         continue;
1772                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1773                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1774                                         i, j, state, dsp_addr[i][j]);
1775                     }
1776                 }
1777                 pr_info("now config:\n");
1778                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1779                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1780                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1781                                         continue;
1782                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1783                                         i, j, g_now_config_state[i][j],
1784                                         g_now_config_addr[i][j]);
1785                         }
1786                 }
1787                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1788                         rk_fb_config_debug(dev_drv, &(dev_drv->tmp_win_cfg[i]),
1789                                            &(dev_drv->tmp_regs[i]), 0);
1790         }
1791
1792         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1793                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1794                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1795                                 continue;
1796                         g_last_addr[i][j] = g_now_config_addr[i][j];
1797                         g_last_state[i][j] = g_now_config_state[i][j];
1798                 }
1799         }
1800
1801         return page_fault;
1802 }
1803 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1804                              struct rk_fb_reg_data *regs)
1805 {
1806         int i, j;
1807         struct rk_lcdc_win *win;
1808         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1809         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1810         struct rk_fb_reg_win_data *win_data;
1811         bool wait_for_vsync;
1812         int count = 100;
1813         long timeout;
1814         int pagefault = 0;
1815         /* acq_fence wait */
1816         for (i = 0; i < regs->win_num; i++) {
1817                 win_data = &regs->reg_win_data[i];
1818                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1819                         if (win_data->reg_area_data[j].acq_fence) {
1820                                 /* printk("acq_fence wait!!!!!\n"); */
1821                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1822                         }
1823                 }
1824         }
1825
1826         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1827                 win = dev_drv->win[i];
1828                 win_data = rk_fb_get_win_data(regs, i);
1829                 if (win_data) {
1830                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1831                             (win_data->reg_area_data[0].data_format == YUV420 ||
1832                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1833                              win_data->reg_area_data[0].data_format == YUV420_A))
1834                                 continue;
1835                         mutex_lock(&dev_drv->win_config);
1836                         rk_fb_update_win(dev_drv, win, win_data);
1837                         win->state = 1;
1838                         dev_drv->ops->set_par(dev_drv, i);
1839                         dev_drv->ops->pan_display(dev_drv, i);
1840                         mutex_unlock(&dev_drv->win_config);
1841                 } else {
1842                         win->z_order = -1;
1843                         win->state = 0;
1844 #if defined(CONFIG_ROCKCHIP_IOMMU)
1845                         if (dev_drv->iommu_enabled) {
1846                                 for (j = 0; j < 4; j++)
1847                                         g_now_config_addr[i][j] = 0;
1848                         }
1849 #endif
1850                 }
1851         }
1852         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1853
1854         if (rk_fb_iommu_debug > 0) {
1855                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1856         }
1857
1858         if (pagefault == 0) {
1859                 dev_drv->ops->cfg_done(dev_drv);
1860         } else {
1861                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1862         }
1863
1864         do {
1865                 timestamp = dev_drv->vsync_info.timestamp;
1866                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1867                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1868                                 msecs_to_jiffies(50));
1869
1870                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1871         } while (wait_for_vsync && count--);
1872 #ifdef H_USE_FENCE
1873         sw_sync_timeline_inc(dev_drv->timeline, 1);
1874 #endif
1875
1876         if (dev_drv->front_regs) {
1877 #if defined(CONFIG_ROCKCHIP_IOMMU)
1878                 if (dev_drv->iommu_enabled) {
1879                         if (dev_drv->ops->mmu_en)
1880                                 dev_drv->ops->mmu_en(dev_drv);
1881                         freed_index = 0;
1882                         g_last_timeout = timeout;
1883                 }
1884 #endif
1885
1886                 mutex_lock(&dev_drv->front_lock);
1887
1888                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1889                         win_data = &dev_drv->front_regs->reg_win_data[i];
1890                         rk_fb_free_dma_buf(dev_drv, win_data);
1891                 }
1892                 kfree(dev_drv->front_regs);
1893
1894                 mutex_unlock(&dev_drv->front_lock);
1895
1896 #if defined(CONFIG_ROCKCHIP_IOMMU)
1897                 if (dev_drv->iommu_enabled)
1898                         freed_addr[freed_index] = 0xfefefefe;
1899 #endif
1900         }
1901
1902         mutex_lock(&dev_drv->front_lock);
1903
1904         dev_drv->front_regs = regs;
1905
1906         mutex_unlock(&dev_drv->front_lock);
1907
1908         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1909 }
1910
1911 static void rk_fb_update_regs_handler(struct kthread_work *work)
1912 {
1913         struct rk_lcdc_driver *dev_drv =
1914             container_of(work, struct rk_lcdc_driver, update_regs_work);
1915         struct rk_fb_reg_data *data, *next;
1916
1917         mutex_lock(&dev_drv->update_regs_list_lock);
1918         dev_drv->saved_list = dev_drv->update_regs_list;
1919         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1920         mutex_unlock(&dev_drv->update_regs_list_lock);
1921
1922         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1923                 rk_fb_update_reg(dev_drv, data);
1924                 list_del(&data->list);
1925         }
1926
1927         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1928                 wake_up(&dev_drv->update_regs_wait);
1929 }
1930
1931 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1932                                   struct rk_screen *screen)
1933 {
1934         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1935             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1936             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1937                 pr_err("check config var fail 0:\n"
1938                        "x_offset=%d,xact=%d,xvir=%d\n",
1939                        area_par->x_offset, area_par->xact, area_par->xvir);
1940                 return -EINVAL;
1941         }
1942
1943         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1944             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1945             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1946                 pr_warn("check config var fail 1:\n"
1947                        "xpos=%d,xsize=%d,xres=%d\n"
1948                        "ypos=%d,ysize=%d,yres=%d\n",
1949                        area_par->xpos, area_par->xsize, screen->mode.xres,
1950                        area_par->ypos, area_par->ysize, screen->mode.yres);
1951                 return -EINVAL;
1952         }
1953         return 0;
1954 }
1955
1956 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1957                               struct rk_fb_win_cfg_data *win_data,
1958                               struct rk_fb_reg_data *regs, u32 cmd)
1959 {
1960         int i, j;
1961         struct rk_fb_win_par *win_par;
1962         struct rk_fb_area_par *area_par;
1963         struct rk_fb_reg_win_data *reg_win_data;
1964         struct rk_fb_reg_area_data *area_data;
1965
1966         fb_dbg(cmd, "-------------frame start-------------\n");
1967         fb_dbg(cmd, "user config:\n");
1968         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1969                 win_par = &(win_data->win_par[i]);
1970                 if ((win_par->area_par[0].ion_fd <= 0) &&
1971                     (win_par->area_par[0].phy_addr <= 0))
1972                         continue;
1973                 fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1974                        win_par->win_id, win_par->z_order,
1975                        win_par->g_alpha_val);
1976                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1977                         area_par = &(win_par->area_par[j]);
1978                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1979                             ((win_par->area_par[j].ion_fd <= 0) &&
1980                              (win_par->area_par[j].phy_addr <= 0)))
1981                                 continue;
1982                         fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1983                                j, area_par->data_format, area_par->ion_fd,
1984                                area_par->phy_addr, area_par->x_offset,
1985                                area_par->y_offset);
1986                         fb_dbg(cmd, "      xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1987                                area_par->xpos, area_par->ypos,
1988                                area_par->xsize, area_par->ysize);
1989                         fb_dbg(cmd, "      xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1990                                area_par->xact, area_par->yact,
1991                                area_par->xvir, area_par->yvir);
1992                 }
1993         }
1994
1995         fb_dbg(cmd, "regs data:\n");
1996         fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
1997                regs->win_num, regs->buf_num);
1998         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1999                 reg_win_data = &(regs->reg_win_data[i]);
2000                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2001                         continue;
2002                 fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2003                        reg_win_data->win_id, reg_win_data->z_order,
2004                        reg_win_data->area_num, reg_win_data->area_buf_num);
2005                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2006                         area_data = &(reg_win_data->reg_area_data[j]);
2007                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2008                             (area_data->smem_start <= 0))
2009                                 continue;
2010                         fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2011                                j, area_data->data_format, area_data->ion_handle,
2012                                area_data->smem_start, area_data->cbr_start);
2013                         fb_dbg(cmd, "      yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2014                                area_data->y_offset, area_data->c_offset,area_data->buff_len);
2015                         fb_dbg(cmd, "      xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2016                                area_data->xpos, area_data->ypos,
2017                                area_data->xsize, area_data->ysize);
2018                         fb_dbg(cmd, "      xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2019                                area_data->xact, area_data->yact,
2020                                area_data->xvir, area_data->yvir);
2021                 }
2022         }
2023         fb_dbg(cmd, "-------------frame end---------------\n");
2024
2025         return 0;
2026 }
2027 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2028                                    struct rk_fb_win_cfg_data *win_cfg,
2029                                    struct rk_fb_reg_data *regs)
2030 {
2031         int i;
2032
2033         /*2->1->0: 0 is newest*/
2034         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2035                 memcpy(&(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-1-i]),
2036                        &(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-2-i]),
2037                        sizeof(struct rk_fb_win_cfg_data));
2038                 memcpy(&(dev_drv->tmp_regs[DUMP_FRAME_NUM-1-i]),
2039                        &(dev_drv->tmp_regs[DUMP_FRAME_NUM-2-i]),
2040                        sizeof(struct rk_fb_reg_data));
2041         }
2042
2043         memcpy(&(dev_drv->tmp_win_cfg[0]), win_cfg,
2044                sizeof(struct rk_fb_win_cfg_data));
2045         memcpy(&(dev_drv->tmp_regs[0]), regs,
2046                sizeof(struct rk_fb_reg_data));
2047
2048         return 0;
2049 }
2050 static int rk_fb_set_win_buffer(struct fb_info *info,
2051                                 struct rk_fb_win_par *win_par,
2052                                 struct rk_fb_reg_win_data *reg_win_data)
2053 {
2054         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2055         struct fb_fix_screeninfo *fix = &info->fix;
2056         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2057         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2058         /*if hdmi size move to hwc,screen should point to cur_screen
2059           otherwise point to screen0[main screen]*/
2060         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2061         struct fb_info *fbi;
2062         int i, ion_fd, acq_fence_fd;
2063         u32 xvir, yvir;
2064         u32 xoffset, yoffset;
2065
2066         struct ion_handle *hdl;
2067         size_t len;
2068         int index_buf;
2069         u8 fb_data_fmt;
2070         u8 pixel_width;
2071         u32 vir_width_bit;
2072         u32 stride, uv_stride;
2073         u32 stride_32bit_1;
2074         u32 stride_32bit_2;
2075         u16 uv_x_off, uv_y_off, uv_y_act;
2076         u8 is_pic_yuv = 0;
2077         u8 ppixel_a = 0, global_a = 0;
2078         ion_phys_addr_t phy_addr;
2079         int ret = 0;
2080         int buff_len;
2081
2082         reg_win_data->reg_area_data[0].smem_start = -1;
2083         reg_win_data->area_num = 0;
2084         fbi = rk_fb->fb[reg_win_data->win_id];
2085         if (win_par->area_par[0].phy_addr == 0) {
2086                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2087                         ion_fd = win_par->area_par[i].ion_fd;
2088                         if (ion_fd > 0) {
2089                                 hdl =
2090                                     ion_import_dma_buf(rk_fb->ion_client,
2091                                                        ion_fd);
2092                                 if (IS_ERR(hdl)) {
2093                                         pr_info("%s: Could not import handle:"
2094                                                 " %ld\n", __func__, (long)hdl);
2095                                         return -EINVAL;
2096                                         break;
2097                                 }
2098                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2099 #ifndef CONFIG_ROCKCHIP_IOMMU
2100                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2101                                                 &len);
2102 #else
2103                                 if (dev_drv->iommu_enabled)
2104                                         ret = ion_map_iommu(dev_drv->dev,
2105                                                                 rk_fb->ion_client,
2106                                                                 hdl,
2107                                                                 (unsigned long *)&phy_addr,
2108                                                                 (unsigned long *)&len);
2109                                 else
2110                                         ret = ion_phys(rk_fb->ion_client, hdl,
2111                                                         &phy_addr, &len);
2112 #endif
2113                                 if (ret < 0) {
2114                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2115                                         ion_free(rk_fb->ion_client, hdl);
2116                                         return -ENOMEM;
2117                                 }
2118                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2119                                 reg_win_data->area_num++;
2120                                 reg_win_data->area_buf_num++;
2121                                 reg_win_data->reg_area_data[i].index_buf = 1;
2122                                 reg_win_data->reg_area_data[i].buff_len = len;
2123                         }
2124                 }
2125         } else {
2126                 reg_win_data->reg_area_data[0].smem_start =
2127                     win_par->area_par[0].phy_addr;
2128                 reg_win_data->area_num = 1;
2129                 reg_win_data->area_buf_num++;
2130                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2131         }
2132
2133         if (reg_win_data->area_num == 0) {
2134                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2135                         reg_win_data->reg_area_data[i].smem_start = 0;
2136                 reg_win_data->z_order = -1;
2137                 reg_win_data->win_id = -1;
2138                 return 0;
2139         }
2140
2141         for (i = 0; i < reg_win_data->area_num; i++) {
2142                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2143                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2144                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2145                         reg_win_data->reg_area_data[i].acq_fence =
2146                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2147                 }
2148         }
2149         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2150                 reg_win_data->z_order = win_par->z_order;
2151                 reg_win_data->win_id = win_par->win_id;
2152         } else {
2153                 reg_win_data->z_order = -1;
2154                 reg_win_data->win_id = -1;
2155         }
2156
2157         reg_win_data->mirror_en = win_par->mirror_en;
2158         for (i = 0; i < reg_win_data->area_num; i++) {
2159                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2160
2161                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
2162                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2163                 if (fb_data_fmt >= FBDC_RGB_565) {
2164                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2165                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2166                 } else {
2167                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2168                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2169                 }
2170                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2171
2172                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2173                              (fb_data_fmt == FBDC_ARGB_888) ||
2174                              (fb_data_fmt == FBDC_ABGR_888) ||
2175                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2176                 /* visiable pos in panel */
2177                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2178                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2179
2180                 /* realy size in panel */
2181                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2182                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2183
2184                 /* realy size in panel */
2185                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2186                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2187
2188                 /*act_height should be 2 pix align for interlace output*/
2189                 if ((screen->mode.vmode == FB_VMODE_INTERLACED) &&
2190                     (reg_win_data->reg_area_data[i].yact % 2 == 1))
2191                         reg_win_data->reg_area_data[i].yact -= 1;
2192
2193                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2194                 yoffset = win_par->area_par[i].y_offset;
2195                 reg_win_data->reg_area_data[i].xoff = xoffset;
2196                 reg_win_data->reg_area_data[i].yoff = yoffset;
2197
2198                 xvir = win_par->area_par[i].xvir;
2199                 reg_win_data->reg_area_data[i].xvir = xvir;
2200                 yvir = win_par->area_par[i].yvir;
2201                 reg_win_data->reg_area_data[i].yvir = yvir;
2202
2203                 vir_width_bit = pixel_width * xvir;
2204                 /* pixel_width = byte_num*8 */
2205                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2206                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2207
2208                 stride = stride_32bit_1;        /* default rgb */
2209                 fix->line_length = stride;
2210                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2211
2212                 /* x y mirror ,jump line
2213                  * reg_win_data->reg_area_data[i].y_offset =
2214                  *              yoffset*stride+xoffset*pixel_width/8;
2215                  */
2216                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2217                         if (screen->interlace == 1) {
2218                                 reg_win_data->reg_area_data[i].y_offset =
2219                                     yoffset * stride * 2 +
2220                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2221                                     xoffset * pixel_width / 8;
2222                         } else {
2223                                 reg_win_data->reg_area_data[i].y_offset =
2224                                     yoffset * stride +
2225                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2226                                     xoffset * pixel_width / 8;
2227                         }
2228                 } else {
2229                         if (screen->interlace == 1) {
2230                                 reg_win_data->reg_area_data[i].y_offset =
2231                                     yoffset * stride * 2 +
2232                                     xoffset * pixel_width / 8;
2233                         } else {
2234                                 reg_win_data->reg_area_data[i].y_offset =
2235                                     yoffset * stride +
2236                                     xoffset * pixel_width / 8;
2237                         }
2238                 }
2239                 if ((fb_data_fmt != YUV420) &&
2240                     (fb_data_fmt != YUV420_NV21) &&
2241                     (fb_data_fmt != YUV422) &&
2242                     (fb_data_fmt != YUV444) &&
2243                     dev_drv->iommu_enabled) {
2244                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2245                                 reg_win_data->reg_area_data[i].xvir *
2246                                 reg_win_data->reg_area_data[i].yact *
2247                                 pixel_width / 8 -
2248                                 reg_win_data->reg_area_data[i].xoff*
2249                                 pixel_width / 8;
2250                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2251                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2252                                        "yact[%d]*bpp[%d]"
2253                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2254                                        fb_data_fmt,
2255                                        reg_win_data->reg_area_data[i].xvir,
2256                                        reg_win_data->reg_area_data[i].yact,
2257                                        pixel_width, buff_len,
2258                                        reg_win_data->reg_area_data[i].buff_len);
2259                 }
2260         }
2261
2262         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2263         reg_win_data->alpha_en = ppixel_a | global_a;
2264         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2265         reg_win_data->alpha_mode = win_par->alpha_mode;
2266
2267         switch (fb_data_fmt) {
2268         case YUV422:
2269         case YUV422_A:
2270                 is_pic_yuv = 1;
2271                 stride = stride_32bit_1;
2272                 uv_stride = stride_32bit_1 >> 1;
2273                 uv_x_off = xoffset >> 1;
2274                 uv_y_off = yoffset;
2275                 fix->line_length = stride;
2276                 uv_y_act = win_par->area_par[0].yact >> 1;
2277                 break;
2278         case YUV420:            /* nv12 */
2279         case YUV420_NV21:       /* nv21 */
2280         case YUV420_A:
2281                 is_pic_yuv = 1;
2282                 stride = stride_32bit_1;
2283                 uv_stride = stride_32bit_1;
2284                 uv_x_off = xoffset;
2285                 uv_y_off = yoffset >> 1;
2286                 fix->line_length = stride;
2287                 uv_y_act = win_par->area_par[0].yact >> 1;
2288                 break;
2289         case YUV444:
2290         case YUV444_A:
2291                 is_pic_yuv = 1;
2292                 stride = stride_32bit_1;
2293                 uv_stride = stride_32bit_2;
2294                 uv_x_off = xoffset * 2;
2295                 uv_y_off = yoffset;
2296                 fix->line_length = stride << 2;
2297                 uv_y_act = win_par->area_par[0].yact;
2298                 break;
2299         default:
2300                 break;
2301         }
2302         if (is_pic_yuv == 1) {
2303                 reg_win_data->reg_area_data[0].cbr_start =
2304                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2305                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2306                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2307                         if (screen->interlace == 1) {
2308                                 reg_win_data->reg_area_data[0].c_offset =
2309                                     uv_y_off * uv_stride * 2 +
2310                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2311                                     uv_x_off * pixel_width / 8;
2312                         } else {
2313                                 reg_win_data->reg_area_data[0].c_offset =
2314                                     uv_y_off * uv_stride +
2315                                     (uv_y_act - 1) * uv_stride +
2316                                     uv_x_off * pixel_width / 8;
2317                         }
2318                 } else {
2319                         if (screen->interlace == 1) {
2320                                 reg_win_data->reg_area_data[0].c_offset =
2321                                     uv_y_off * uv_stride * 2 +
2322                                     uv_x_off * pixel_width / 8;
2323                         } else {
2324                                 reg_win_data->reg_area_data[0].c_offset =
2325                                     uv_y_off * uv_stride +
2326                                     uv_x_off * pixel_width / 8;
2327                         }
2328                 }
2329                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2330                         reg_win_data->reg_area_data[0].c_offset +
2331                         reg_win_data->reg_area_data[0].xvir *
2332                         reg_win_data->reg_area_data[0].yact *
2333                         pixel_width / 16 -
2334                         reg_win_data->reg_area_data[0].smem_start -
2335                         reg_win_data->reg_area_data[0].xoff*
2336                         pixel_width / 16 ;
2337                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2338                      dev_drv->iommu_enabled)
2339                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2340                                "yact[%d]*bpp[%d]"
2341                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2342                                fb_data_fmt,
2343                                reg_win_data->reg_area_data[0].xvir,
2344                                reg_win_data->reg_area_data[0].yact,
2345                                pixel_width, buff_len,
2346                                reg_win_data->reg_area_data[0].buff_len);
2347         }
2348
2349         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2350          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2351          * delete by hjc for new hdmi overscan framework
2352          */
2353         /*info->var.yoffset = yoffset;
2354         info->var.xoffset = xoffset;*/
2355         return 0;
2356 }
2357
2358 static int rk_fb_set_win_config(struct fb_info *info,
2359                                 struct rk_fb_win_cfg_data *win_data)
2360 {
2361         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2362         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2363         struct rk_fb_reg_data *regs;
2364 #ifdef H_USE_FENCE
2365         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2366         struct sync_fence *retire_fence;
2367         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2368         struct sync_pt *retire_sync_pt;
2369         char fence_name[20];
2370 #endif
2371         int ret = 0, i, j = 0;
2372         int list_is_empty = 0;
2373         struct rk_screen *screen = dev_drv->cur_screen;
2374
2375         mutex_lock(&dev_drv->output_lock);
2376
2377         for (i = 0; i < 4; i++) {
2378                 for (j = 0; j < 4; j++) {
2379                         if (win_data->win_par[i].area_par[j].ion_fd > 0)
2380                                 ret += rk_fb_check_config_var(
2381                                         &win_data->win_par[i].area_par[j],
2382                                         screen);
2383                 }
2384         }
2385         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2386                 dev_drv->timeline_max++;
2387                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2388                 if (dev_drv->suspend_flag)
2389                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2390                 else if (dev_drv->hdmi_switch)
2391                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2392                 else
2393                         pr_err("error config ,ignore\n");
2394                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2395                         win_data->rel_fence_fd[j] = -1;
2396                 win_data->ret_fence_fd = -1;
2397                 goto err;
2398         }
2399
2400         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2401         if (!regs) {
2402                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2403                 ret = -ENOMEM;
2404                 goto err;
2405         }
2406
2407         for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2408                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2409                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2410                                                  &regs->reg_win_data[j])) {
2411                                 ret = -ENOMEM;
2412                                 pr_info("error:%s[%d]\n", __func__,__LINE__);
2413                                 goto err2;
2414                         }
2415                         if (regs->reg_win_data[j].area_num > 0) {
2416                                 regs->win_num++;
2417                                 regs->buf_num +=
2418                                     regs->reg_win_data[j].area_buf_num;
2419                         }
2420                         j++;
2421                 } else {
2422                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2423                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2424                                win_data->win_par[i].win_id);
2425                 }
2426         }
2427
2428         if (regs->win_num <= 0)
2429                 goto err_null_frame;
2430
2431         dev_drv->timeline_max++;
2432 #ifdef H_USE_FENCE
2433         win_data->ret_fence_fd = get_unused_fd();
2434         if (win_data->ret_fence_fd < 0) {
2435                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2436                 win_data->ret_fence_fd = -1;
2437                 ret = -EFAULT;
2438                 goto err2;
2439         }
2440         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2441                 if (i < regs->buf_num) {
2442                         sprintf(fence_name, "fence%d", i);
2443                         win_data->rel_fence_fd[i] = get_unused_fd();
2444                         if (win_data->rel_fence_fd[i] < 0) {
2445                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2446                                        win_data->rel_fence_fd[i]);
2447                                 ret = -EFAULT;
2448                                 goto err2;
2449                         }
2450                         release_sync_pt[i] =
2451                             sw_sync_pt_create(dev_drv->timeline,
2452                                               dev_drv->timeline_max);
2453                         release_fence[i] =
2454                             sync_fence_create(fence_name, release_sync_pt[i]);
2455                         sync_fence_install(release_fence[i],
2456                                            win_data->rel_fence_fd[i]);
2457                 } else {
2458                         win_data->rel_fence_fd[i] = -1;
2459                 }
2460         }
2461
2462         retire_sync_pt =
2463             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2464         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2465         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2466 #else
2467         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2468                 win_data->rel_fence_fd[i] = -1;
2469
2470         win_data->ret_fence_fd = -1;
2471 #endif
2472         if (dev_drv->wait_fs == 0) {
2473                 mutex_lock(&dev_drv->update_regs_list_lock);
2474                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2475                 mutex_unlock(&dev_drv->update_regs_list_lock);
2476                 queue_kthread_work(&dev_drv->update_regs_worker,
2477                                    &dev_drv->update_regs_work);
2478         } else {
2479                 mutex_lock(&dev_drv->update_regs_list_lock);
2480                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2481                                         list_empty(&dev_drv->saved_list);
2482                 mutex_unlock(&dev_drv->update_regs_list_lock);
2483                 if (!list_is_empty) {
2484                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2485                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2486                                 msecs_to_jiffies(60));
2487                         if (ret > 0)
2488                                 rk_fb_update_reg(dev_drv, regs);
2489                         else
2490                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2491                 } else if (ret == 0) {
2492                         rk_fb_update_reg(dev_drv, regs);
2493                 }
2494         }
2495         if (rk_fb_debug_lvl > 0)
2496                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2497         if (rk_fb_iommu_debug > 0)
2498                 rk_fb_config_backup(dev_drv, win_data, regs);
2499 err:
2500         mutex_unlock(&dev_drv->output_lock);
2501         return ret;
2502 err_null_frame:
2503         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2504                 win_data->rel_fence_fd[j] = -1;
2505         win_data->ret_fence_fd = -1;
2506         pr_info("win num = %d,null frame\n", regs->win_num);
2507 err2:
2508         kfree(regs);
2509         mutex_unlock(&dev_drv->output_lock);
2510
2511         return ret;
2512 }
2513
2514 #if 1
2515 static int cfgdone_distlist[10] = { 0 };
2516
2517 static int cfgdone_index;
2518 static int cfgdone_lasttime;
2519
2520 int rk_get_real_fps(int before)
2521 {
2522         struct timespec now;
2523         int dist_curr;
2524         int dist_total = 0;
2525         int dist_count = 0;
2526         int dist_first = 0;
2527
2528         int index = cfgdone_index;
2529         int i = 0, fps = 0;
2530         int total;
2531
2532         if (before > 100)
2533                 before = 100;
2534         if (before < 0)
2535                 before = 0;
2536
2537         getnstimeofday(&now);
2538         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2539                         cfgdone_lasttime;
2540         total = dist_curr;
2541         /*
2542            printk("fps: ");
2543          */
2544         for (i = 0; i < 10; i++) {
2545                 if (--index < 0)
2546                         index = 9;
2547                 total += cfgdone_distlist[index];
2548                 if (i == 0)
2549                         dist_first = cfgdone_distlist[index];
2550                 if (total < (before * 1000)) {
2551                         /*
2552                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2553                          */
2554                         dist_total += cfgdone_distlist[index];
2555                         dist_count++;
2556                 } else {
2557                         break;
2558                 }
2559         }
2560
2561         /*
2562            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2563          */
2564         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2565         dist_total += dist_curr;
2566         dist_count++;
2567
2568         if (dist_total > 0)
2569                 fps = (1000000 * dist_count) / dist_total;
2570         else
2571                 fps = 60;
2572
2573         /*
2574            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2575          */
2576         return fps;
2577 }
2578 EXPORT_SYMBOL(rk_get_real_fps);
2579
2580 #endif
2581 #ifdef CONFIG_ROCKCHIP_IOMMU
2582 #define ION_MAX 10
2583 static struct ion_handle *ion_hanle[ION_MAX];
2584 static struct ion_handle *ion_hwc[1];
2585 #endif
2586 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2587                        unsigned long arg)
2588 {
2589         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2590         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2591         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2592         struct fb_fix_screeninfo *fix = &info->fix;
2593         struct rk_lcdc_win *win;
2594         int enable;     /* enable fb:1 enable;0 disable */
2595         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2596         int num_buf;    /* buffer_number */
2597         int ret;
2598         struct rk_fb_win_cfg_data win_data;
2599         unsigned int dsp_addr[4][4];
2600         int list_stat;
2601
2602         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2603
2604         void __user *argp = (void __user *)arg;
2605         win = dev_drv->win[win_id];
2606
2607         switch (cmd) {
2608         case RK_FBIOSET_HWC_ADDR:
2609         {
2610                 u32 hwc_phy[1];
2611                 if (copy_from_user(hwc_phy, argp, 4))
2612                         return -EFAULT;
2613 #ifdef CONFIG_ROCKCHIP_IOMMU
2614                 if (!dev_drv->iommu_enabled) {
2615 #endif
2616                         fix->smem_start = hwc_phy[0];
2617 #ifdef CONFIG_ROCKCHIP_IOMMU
2618                 } else {
2619                         int usr_fd;
2620                         struct ion_handle *hdl;
2621                         ion_phys_addr_t phy_addr;
2622                         size_t len;
2623
2624                         usr_fd = hwc_phy[0];
2625                         if (!usr_fd) {
2626                                 fix->smem_start = 0;
2627                                 fix->mmio_start = 0;
2628                                 dev_drv->ops->open(dev_drv, win_id, 0);
2629                                 break;
2630                         }
2631
2632                         if (ion_hwc[0] != 0) {
2633                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2634                                 ion_hwc[0] = 0;
2635                         }
2636
2637                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2638                         if (IS_ERR(hdl)) {
2639                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2640                                         PTR_ERR(hdl));
2641                                 return -EFAULT;
2642                         }
2643
2644                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2645                                                 (unsigned long *)&phy_addr,
2646                                                 (unsigned long *)&len);
2647                         if (ret < 0) {
2648                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2649                                 ion_free(rk_fb->ion_client, hdl);
2650                                 return -ENOMEM;
2651                         }
2652                         fix->smem_start = phy_addr;
2653                         ion_hwc[0] = hdl;
2654                 }
2655 #endif
2656                 break;
2657         }
2658         case RK_FBIOSET_YUV_ADDR:
2659                 {
2660                         u32 yuv_phy[2];
2661
2662                         if (copy_from_user(yuv_phy, argp, 8))
2663                                 return -EFAULT;
2664                         #ifdef CONFIG_ROCKCHIP_IOMMU
2665                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2666                         #endif
2667                                 fix->smem_start = yuv_phy[0];
2668                                 fix->mmio_start = yuv_phy[1];
2669                         #ifdef CONFIG_ROCKCHIP_IOMMU
2670                         } else {
2671                                 int usr_fd, offset, tmp;
2672                                 struct ion_handle *hdl;
2673                                 ion_phys_addr_t phy_addr;
2674                                 size_t len;
2675
2676                                 usr_fd = yuv_phy[0];
2677                                 offset = yuv_phy[1] - yuv_phy[0];
2678                                 if (!usr_fd) {
2679                                         fix->smem_start = 0;
2680                                         fix->mmio_start = 0;
2681                                         break;
2682                                 }
2683
2684                                 if (ion_hanle[ION_MAX - 1] != 0) {
2685                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2686                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2687                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2688                                         ion_hanle[ION_MAX - 1] = 0;
2689                                 }
2690
2691                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2692                                 if (IS_ERR(hdl)) {
2693                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2694                                                 PTR_ERR(hdl));
2695                                         return -EFAULT;
2696                                 }
2697
2698                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2699                                                         (unsigned long *)&phy_addr,
2700                                                         (unsigned long *)&len);
2701                                 if (ret < 0) {
2702                                         dev_err(info->dev, "ion map to get phy addr failed");
2703                                         ion_free(rk_fb->ion_client, hdl);
2704                                         return -ENOMEM;
2705                                 }
2706                                 fix->smem_start = phy_addr;
2707                                 fix->mmio_start = phy_addr + offset;
2708                                 fix->smem_len = len;
2709                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2710
2711                                 ion_hanle[0] = hdl;
2712                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2713                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2714                                 ion_hanle[0] = 0;
2715                         }
2716                         #endif
2717                         break;
2718                 }
2719         case RK_FBIOSET_ENABLE:
2720                 if (copy_from_user(&enable, argp, sizeof(enable)))
2721                         return -EFAULT;
2722                                 if (enable && fb_par->state)
2723                                         fb_par->state++;
2724                                 else
2725                                         fb_par->state--;
2726                 dev_drv->ops->open(dev_drv, win_id, enable);
2727                 break;
2728         case RK_FBIOGET_ENABLE:
2729                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2730                 if (copy_to_user(argp, &enable, sizeof(enable)))
2731                         return -EFAULT;
2732                 break;
2733         case RK_FBIOSET_OVERLAY_STA:
2734                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2735                         return -EFAULT;
2736                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2737                 break;
2738         case RK_FBIOGET_OVERLAY_STA:
2739                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2740                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2741                         return -EFAULT;
2742                 break;
2743         case RK_FBIOPUT_NUM_BUFFERS:
2744                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2745                         return -EFAULT;
2746                 dev_drv->num_buf = num_buf;
2747                 break;
2748         case RK_FBIOSET_VSYNC_ENABLE:
2749                 if (copy_from_user(&enable, argp, sizeof(enable)))
2750                         return -EFAULT;
2751                 dev_drv->vsync_info.active = enable;
2752                 break;
2753
2754         case RK_FBIOGET_DSP_ADDR:
2755                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2756                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2757                         return -EFAULT;
2758                 break;
2759         case RK_FBIOGET_LIST_STA:
2760                 list_stat = rk_fb_get_list_stat(dev_drv);
2761                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2762                         return -EFAULT;
2763
2764                 break;
2765         case RK_FBIOGET_IOMMU_STA:
2766                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2767                                  sizeof(dev_drv->iommu_enabled)))
2768                         return -EFAULT;
2769                 break;
2770 #if defined(CONFIG_ION_ROCKCHIP)
2771         case RK_FBIOSET_DMABUF_FD:
2772                 {
2773                         int usr_fd;
2774                         struct ion_handle *hdl;
2775                         ion_phys_addr_t phy_addr;
2776                         size_t len;
2777                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2778                                 return -EFAULT;
2779                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2780                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2781                         fix->smem_start = phy_addr;
2782                         break;
2783                 }
2784         case RK_FBIOGET_DMABUF_FD:
2785                 {
2786                         int fd = -1;
2787
2788                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2789                                 dev_err(info->dev,
2790                                         "get dma_buf fd failed,ion handle is err\n");
2791                                 return PTR_ERR(fb_par->ion_hdl);
2792                         }
2793                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2794                                                   fb_par->ion_hdl);
2795                         if (fd < 0) {
2796                                 dev_err(info->dev,
2797                                         "ion_share_dma_buf_fd failed\n");
2798                                 return fd;
2799                         }
2800                         if (copy_to_user(argp, &fd, sizeof(fd)))
2801                                 return -EFAULT;
2802                         break;
2803                 }
2804 #endif
2805         case RK_FBIOSET_CLEAR_FB:
2806                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2807                 break;
2808         case RK_FBIOSET_CONFIG_DONE:
2809                 {
2810                         int curr = 0;
2811                         struct timespec now;
2812
2813                         getnstimeofday(&now);
2814                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2815                         cfgdone_distlist[cfgdone_index++] =
2816                             curr - cfgdone_lasttime;
2817                         /*
2818                            printk("%d ", curr - cfgdone_lasttime);
2819                          */
2820                         cfgdone_lasttime = curr;
2821                         if (cfgdone_index >= 10)
2822                                 cfgdone_index = 0;
2823                 }
2824                 if (copy_from_user(&win_data,
2825                                    (struct rk_fb_win_cfg_data __user *)argp,
2826                                    sizeof(win_data))) {
2827                         ret = -EFAULT;
2828                         break;
2829                 };
2830
2831                 dev_drv->wait_fs = win_data.wait_fs;
2832                 rk_fb_set_win_config(info, &win_data);
2833
2834                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2835                                  &win_data, sizeof(win_data))) {
2836                         ret = -EFAULT;
2837                         break;
2838                 }
2839                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2840
2841                 if (dev_drv->uboot_logo)
2842                         dev_drv->uboot_logo = 0;
2843
2844                 break;
2845         default:
2846                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2847                 break;
2848         }
2849
2850         return 0;
2851 }
2852
2853 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2854 {
2855         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2856         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2857         struct fb_fix_screeninfo *fix = &info->fix;
2858         int win_id;
2859 #if defined(CONFIG_RK_HDMI)
2860         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2861 #endif
2862
2863         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2864         if (win_id < 0)
2865                 return -ENODEV;
2866         mutex_lock(&dev_drv->switch_screen);
2867 #if defined(CONFIG_RK_HDMI)
2868         if ((rk_fb->disp_mode == ONE_DUAL) &&
2869             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2870                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2871         } else
2872 #endif
2873         {
2874                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2875         }
2876         mutex_unlock(&dev_drv->switch_screen);
2877         return 0;
2878 }
2879
2880 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2881 {
2882         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2883             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2884             ((16 != var->bits_per_pixel) &&
2885             (32 != var->bits_per_pixel) &&
2886             (24 != var->bits_per_pixel))) {
2887                 dev_err(info->dev, "%s check var fail 1:\n"
2888                         "xres_vir:%d>>yres_vir:%d\n"
2889                         "xres:%d>>yres:%d\n"
2890                         "bits_per_pixel:%d\n",
2891                         info->fix.id,
2892                         var->xres_virtual,
2893                         var->yres_virtual,
2894                         var->xres, var->yres, var->bits_per_pixel);
2895                 return -EINVAL;
2896         }
2897
2898         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2899             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2900                 dev_err(info->dev, "%s check_var fail 2:\n"
2901                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2902                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2903                         info->fix.id,
2904                         var->xoffset,
2905                         var->xres,
2906                         var->xres_virtual,
2907                         var->yoffset, var->yres, var->yres_virtual);
2908                 return -EINVAL;
2909         }
2910
2911         return 0;
2912 }
2913
2914 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2915                           size_t count, loff_t *ppos)
2916 {
2917         unsigned long p = *ppos;
2918         u8 *buffer, *dst;
2919         u8 __iomem *src;
2920         int c, cnt = 0, err = 0;
2921         unsigned long total_size;
2922         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2923         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2924         struct rk_lcdc_win *win = NULL;
2925         int win_id = 0;
2926
2927         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2928         if (win_id < 0)
2929                 return -ENODEV;
2930         else
2931                 win = dev_drv->win[win_id];
2932
2933         /* only read the current frame buffer */
2934         if (win->area[0].format == RGB565) {
2935                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2936         } else if ((win->area[0].format == YUV420) ||
2937                    (win->area[0].format == YUV420_NV21)) {
2938                 total_size =
2939                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2940         } else {
2941                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2942         }
2943         if (p >= total_size)
2944                 return 0;
2945
2946         if (count >= total_size)
2947                 count = total_size;
2948
2949         if (count + p > total_size)
2950                 count = total_size - p;
2951
2952         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2953         if (!buffer)
2954                 return -ENOMEM;
2955
2956         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2957
2958         while (count) {
2959                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2960                 dst = buffer;
2961                 fb_memcpy_fromfb(dst, src, c);
2962                 dst += c;
2963                 src += c;
2964
2965                 if (copy_to_user(buf, buffer, c)) {
2966                         err = -EFAULT;
2967                         break;
2968                 }
2969                 *ppos += c;
2970                 buf += c;
2971                 cnt += c;
2972                 count -= c;
2973         }
2974
2975         kfree(buffer);
2976
2977         return (err) ? err : cnt;
2978 }
2979
2980 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2981                            size_t count, loff_t *ppos)
2982 {
2983         unsigned long p = *ppos;
2984         u8 *buffer, *src;
2985         u8 __iomem *dst;
2986         int c, cnt = 0, err = 0;
2987         unsigned long total_size;
2988         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2989         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2990         struct rk_lcdc_win *win = NULL;
2991         int win_id = 0;
2992
2993         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2994         if (win_id < 0)
2995                 return -ENODEV;
2996         else
2997                 win = dev_drv->win[win_id];
2998
2999         /* write the current frame buffer */
3000         if (win->area[0].format == RGB565)
3001                 total_size = win->area[0].xact * win->area[0].yact << 1;
3002         else
3003                 total_size = win->area[0].xact * win->area[0].yact << 2;
3004
3005         if (p > total_size)
3006                 return -EFBIG;
3007
3008         if (count > total_size) {
3009                 err = -EFBIG;
3010                 count = total_size;
3011         }
3012
3013         if (count + p > total_size) {
3014                 if (!err)
3015                         err = -ENOSPC;
3016
3017                 count = total_size - p;
3018         }
3019
3020         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3021         if (!buffer)
3022                 return -ENOMEM;
3023
3024         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3025
3026         while (count) {
3027                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3028                 src = buffer;
3029
3030                 if (copy_from_user(src, buf, c)) {
3031                         err = -EFAULT;
3032                         break;
3033                 }
3034
3035                 fb_memcpy_tofb(dst, src, c);
3036                 dst += c;
3037                 src += c;
3038                 *ppos += c;
3039                 buf += c;
3040                 cnt += c;
3041                 count -= c;
3042         }
3043
3044         kfree(buffer);
3045
3046         return (cnt) ? cnt : err;
3047 }
3048
3049 static int rk_fb_set_par(struct fb_info *info)
3050 {
3051         struct fb_var_screeninfo *var = &info->var;
3052         struct fb_fix_screeninfo *fix = &info->fix;
3053         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3054         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3055         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3056         struct rk_lcdc_win *win = NULL;
3057         struct rk_screen *screen = dev_drv->cur_screen;
3058         int win_id = 0;
3059         u32 cblen = 0, crlen = 0;
3060         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3061         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3062         u32 yoffset = var->yoffset;
3063         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3064         u16 ypos = (var->nonstd >> 20) & 0xfff;
3065         u32 xvir = var->xres_virtual;
3066         u32 yvir = var->yres_virtual;
3067         u8 data_format = var->nonstd & 0xff;
3068         u8 fb_data_fmt;
3069         u8 pixel_width;
3070         u32 vir_width_bit;
3071         u32 stride, uv_stride;
3072         u32 stride_32bit_1;
3073         u32 stride_32bit_2;
3074         u16 uv_x_off, uv_y_off, uv_y_act;
3075         u8 is_pic_yuv = 0;
3076         /*var->pixclock = dev_drv->pixclock;*/
3077         if (dev_drv->suspend_flag)
3078                 return 0;
3079         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3080         if (win_id < 0)
3081                 return -ENODEV;
3082         else
3083                 win = dev_drv->win[win_id];
3084
3085         /* if the application has specific the horizontal and vertical display size */
3086         if (var->grayscale >> 8) {
3087                 xsize = (var->grayscale >> 8) & 0xfff;
3088                 ysize = (var->grayscale >> 20) & 0xfff;
3089                 if (xsize > screen->mode.xres)
3090                         xsize = screen->mode.xres;
3091                 if (ysize > screen->mode.yres)
3092                         ysize = screen->mode.yres;
3093         } else {                /*ohterwise  full  screen display */
3094                 xsize = screen->mode.xres;
3095                 ysize = screen->mode.yres;
3096         }
3097
3098         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3099         if (fb_data_fmt >= FBDC_RGB_565) {
3100                 win->area[0].fbdc_en = 1;
3101                 win->area[0].fbdc_cor_en = 1;
3102         } else {
3103                 win->area[0].fbdc_en = 0;
3104                 win->area[0].fbdc_cor_en = 0;
3105         }
3106         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3107         vir_width_bit = pixel_width * xvir;
3108         /* pixel_width = byte_num * 8 */
3109         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3110         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3111
3112         switch (fb_data_fmt) {
3113         case YUV422:
3114         case YUV422_A:
3115                 is_pic_yuv = 1;
3116                 stride = stride_32bit_1;
3117                 uv_stride = stride_32bit_1 >> 1;
3118                 uv_x_off = xoffset >> 1;
3119                 uv_y_off = yoffset;
3120                 fix->line_length = stride;
3121                 cblen = crlen = (xvir * yvir) >> 1;
3122                 uv_y_act = win->area[0].yact >> 1;
3123                 break;
3124         case YUV420:            /* nv12 */
3125         case YUV420_NV21:       /* nv21 */
3126         case YUV420_A:
3127                 is_pic_yuv = 1;
3128                 stride = stride_32bit_1;
3129                 uv_stride = stride_32bit_1;
3130                 uv_x_off = xoffset;
3131                 uv_y_off = yoffset >> 1;
3132                 fix->line_length = stride;
3133                 cblen = crlen = (xvir * yvir) >> 2;
3134                 uv_y_act = win->area[0].yact >> 1;
3135                 break;
3136         case YUV444:
3137         case YUV444_A:
3138                 is_pic_yuv = 1;
3139                 stride = stride_32bit_1;
3140                 uv_stride = stride_32bit_2;
3141                 uv_x_off = xoffset * 2;
3142                 uv_y_off = yoffset;
3143                 fix->line_length = stride << 2;
3144                 cblen = crlen = (xvir * yvir);
3145                 uv_y_act = win->area[0].yact;
3146                 break;
3147         default:
3148                 stride = stride_32bit_1;        /* default rgb */
3149                 fix->line_length = stride;
3150                 break;
3151         }
3152
3153         win->area[0].format = fb_data_fmt;
3154         win->area[0].y_vir_stride = stride >> 2;
3155         win->area[0].uv_vir_stride = uv_stride >> 2;
3156         win->area[0].xpos = xpos;
3157         win->area[0].ypos = ypos;
3158         win->area[0].xsize = xsize;
3159         win->area[0].ysize = ysize;
3160         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3161         win->area[0].yact = var->yres;
3162         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3163         win->area[0].yvir = var->yres_virtual;
3164         win->area[0].xoff = xoffset;
3165         win->area[0].yoff = yoffset;
3166
3167         win->area_num = 1;
3168         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3169         win->alpha_en = ((win->area[0].format == ARGB888) ||
3170                          (win->area[0].format == FBDC_ARGB_888) ||
3171                          (win->area[0].format == FBDC_ABGR_888) ||
3172                          (win->area[0].format == ABGR888)) ? 1 : 0;
3173         win->g_alpha_val = 0;
3174
3175         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
3176             (win->area[0].format == YUV420 ||
3177              win->area[0].format == YUV420_NV21 ||
3178              win->area[0].format == YUV420_A)) {
3179                 win->state = 1;
3180                 win->z_order = 0;
3181         }
3182         dev_drv->ops->set_par(dev_drv, win_id);
3183
3184         return 0;
3185 }
3186
3187 static inline unsigned int chan_to_field(unsigned int chan,
3188                                          struct fb_bitfield *bf)
3189 {
3190         chan &= 0xffff;
3191         chan >>= 16 - bf->length;
3192         return chan << bf->offset;
3193 }
3194
3195 static int fb_setcolreg(unsigned regno,
3196                         unsigned red, unsigned green, unsigned blue,
3197                         unsigned transp, struct fb_info *info)
3198 {
3199         unsigned int val;
3200
3201         switch (info->fix.visual) {
3202         case FB_VISUAL_TRUECOLOR:
3203                 /* true-colour, use pseudo-palette */
3204                 if (regno < 16) {
3205                         u32 *pal = info->pseudo_palette;
3206                         val = chan_to_field(red, &info->var.red);
3207                         val |= chan_to_field(green, &info->var.green);
3208                         val |= chan_to_field(blue, &info->var.blue);
3209                         pal[regno] = val;
3210                 }
3211                 break;
3212         default:
3213                 return -1;      /* unknown type */
3214         }
3215
3216         return 0;
3217 }
3218
3219 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3220 {
3221         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3222         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3223         struct ion_handle *handle = fb_par->ion_hdl;
3224         struct dma_buf *dma_buf = NULL;
3225
3226         if (IS_ERR_OR_NULL(handle)) {
3227                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3228                         PTR_ERR(handle));
3229                 return -ENOMEM;
3230         }
3231         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3232         if (IS_ERR_OR_NULL(dma_buf)) {
3233                 printk("get ion share dma buf failed\n");
3234                 return -ENOMEM;
3235         }
3236
3237         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3238
3239         return dma_buf_mmap(dma_buf, vma, 0);
3240 }
3241
3242 static struct fb_ops fb_ops = {
3243         .owner = THIS_MODULE,
3244         .fb_open = rk_fb_open,
3245         .fb_release = rk_fb_close,
3246         .fb_check_var = rk_fb_check_var,
3247         .fb_set_par = rk_fb_set_par,
3248         .fb_blank = rk_fb_blank,
3249         .fb_ioctl = rk_fb_ioctl,
3250         .fb_compat_ioctl = rk_fb_ioctl,
3251         .fb_pan_display = rk_fb_pan_display,
3252         .fb_read = rk_fb_read,
3253         .fb_write = rk_fb_write,
3254         .fb_setcolreg = fb_setcolreg,
3255         .fb_fillrect = cfb_fillrect,
3256         .fb_copyarea = cfb_copyarea,
3257         .fb_imageblit = cfb_imageblit,
3258 };
3259
3260 static struct fb_var_screeninfo def_var = {
3261 #if defined(CONFIG_LOGO_LINUX_BMP)
3262         .red = {16, 8, 0},
3263         .green = {8, 8, 0},
3264         .blue = {0, 8, 0},
3265         .transp = {0, 0, 0},
3266         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3267 #else
3268         .red = {11, 5, 0},
3269         .green = {5, 6, 0},
3270         .blue = {0, 5, 0},
3271         .transp = {0, 0, 0},
3272         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3273 #endif
3274         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3275         .activate = FB_ACTIVATE_NOW,
3276         .accel_flags = 0,
3277         .vmode = FB_VMODE_NONINTERLACED,
3278 };
3279
3280 static struct fb_fix_screeninfo def_fix = {
3281         .type = FB_TYPE_PACKED_PIXELS,
3282         .type_aux = 0,
3283         .xpanstep = 1,
3284         .ypanstep = 1,
3285         .ywrapstep = 0,
3286         .accel = FB_ACCEL_NONE,
3287         .visual = FB_VISUAL_TRUECOLOR,
3288
3289 };
3290
3291 static int rk_fb_wait_for_vsync_thread(void *data)
3292 {
3293         struct rk_lcdc_driver *dev_drv = data;
3294         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3295         struct fb_info *fbi = rk_fb->fb[0];
3296
3297         while (!kthread_should_stop()) {
3298                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3299                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3300                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3301                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3302
3303                 if (!ret)
3304                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3305         }
3306
3307         return 0;
3308 }
3309
3310 static ssize_t rk_fb_vsync_show(struct device *dev,
3311                                 struct device_attribute *attr, char *buf)
3312 {
3313         struct fb_info *fbi = dev_get_drvdata(dev);
3314         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3315         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3316         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3317                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3318 }
3319
3320 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3321
3322 /*
3323  * this two function is for other module that in the kernel which
3324  * need show image directly through fb
3325  * fb_id:we have 4 fb here,default we use fb0 for ui display
3326  */
3327 struct fb_info *rk_get_fb(int fb_id)
3328 {
3329         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3330         struct fb_info *fb = inf->fb[fb_id];
3331         return fb;
3332 }
3333 EXPORT_SYMBOL(rk_get_fb);
3334
3335 void rk_direct_fb_show(struct fb_info *fbi)
3336 {
3337         rk_fb_set_par(fbi);
3338         rk_fb_pan_display(&fbi->var, fbi);
3339 }
3340 EXPORT_SYMBOL(rk_direct_fb_show);
3341
3342 int rk_fb_dpi_open(bool open)
3343 {
3344         struct rk_lcdc_driver *dev_drv = NULL;
3345         dev_drv = rk_get_prmry_lcdc_drv();
3346
3347         if (dev_drv->ops->dpi_open)
3348                 dev_drv->ops->dpi_open(dev_drv, open);
3349         return 0;
3350 }
3351
3352 int rk_fb_dpi_win_sel(int win_id)
3353 {
3354         struct rk_lcdc_driver *dev_drv = NULL;
3355         dev_drv = rk_get_prmry_lcdc_drv();
3356
3357         if (dev_drv->ops->dpi_win_sel)
3358                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3359         return 0;
3360 }
3361
3362 int rk_fb_dpi_status(void)
3363 {
3364         int ret = 0;
3365         struct rk_lcdc_driver *dev_drv = NULL;
3366
3367         dev_drv = rk_get_prmry_lcdc_drv();
3368         if (dev_drv->ops->dpi_status)
3369                 ret = dev_drv->ops->dpi_status(dev_drv);
3370
3371         return ret;
3372 }
3373
3374 /*
3375  * function: this function will be called by display device, enable/disable lcdc
3376  * @screen: screen timing to be set to lcdc
3377  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3378  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3379  */
3380 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3381 {
3382         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3383         struct fb_info *info = NULL;
3384         struct rk_fb_par *fb_par = NULL;
3385         struct rk_lcdc_driver *dev_drv = NULL;
3386         char name[6] = {0};
3387         int i, win_id;
3388         static bool load_screen = false;
3389         char *envp[3];
3390         int ret, list_is_empty = 0;
3391
3392         if (unlikely(!rk_fb) || unlikely(!screen))
3393                 return -ENODEV;
3394
3395         /* get lcdc driver */
3396         sprintf(name, "lcdc%d", lcdc_id);
3397         if (rk_fb->disp_mode != DUAL)
3398                 dev_drv = rk_fb->lcdc_dev_drv[0];
3399         else
3400                 dev_drv = rk_get_lcdc_drv(name);
3401
3402         if (dev_drv == NULL) {
3403                 printk(KERN_ERR "%s driver not found!", name);
3404                 return -ENODEV;
3405         }
3406         if (screen->type == SCREEN_HDMI)
3407                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3408                         dev_drv->id);
3409         else if (screen->type == SCREEN_TVOUT ||
3410                      screen->type == SCREEN_TVOUT_TEST )
3411                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3412                         dev_drv->id);
3413         if (enable == 2 /*&& dev_drv->enable*/)
3414                 return 0;
3415         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3416                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3417
3418         mutex_lock(&dev_drv->switch_screen);
3419         hdmi_switch_state = 0;
3420         dev_drv->hdmi_switch = 1;
3421         if (!dev_drv->uboot_logo) {
3422                 mdelay(200);
3423                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3424                                            list_empty(&dev_drv->saved_list);
3425                 if (!list_is_empty) {
3426                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3427                                                  list_empty(&dev_drv->update_regs_list) &&
3428                                                  list_empty(&dev_drv->saved_list),
3429                                                  msecs_to_jiffies(60));
3430                         if (ret <= 0)
3431                                 pr_info("%s: wait update_regs_wait timeout\n",
3432                                         __func__);
3433                 }
3434         }
3435
3436         envp[0] = "switch screen";
3437         envp[1] = kmalloc(32, GFP_KERNEL);
3438         if (envp[1] == NULL) {
3439                 pr_err("switch screen kmalloc envp[1] fail\n");
3440                 mutex_unlock(&dev_drv->switch_screen);
3441                 return 0;
3442         }
3443         sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3444         envp[2] = NULL;
3445
3446         if ((rk_fb->disp_mode == ONE_DUAL) ||
3447             (rk_fb->disp_mode == NO_DUAL)) {
3448                 if ((dev_drv->ops->backlight_close) &&
3449                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3450                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3451                         dev_drv->ops->backlight_close(dev_drv, 1);
3452                 if (!dev_drv->uboot_logo || load_screen ||
3453                                 ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3454                                  (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3455                         if (dev_drv->ops->dsp_black)
3456                                 dev_drv->ops->dsp_black(dev_drv, 0);
3457                 }
3458                 if ((dev_drv->ops->set_screen_scaler) &&
3459                     (rk_fb->disp_mode == ONE_DUAL))
3460                         dev_drv->ops->set_screen_scaler(dev_drv,
3461                                                         dev_drv->screen0, 0);
3462         }
3463         if (!enable) {
3464                 /* if screen type is different, we do not disable lcdc. */
3465                 if (dev_drv->cur_screen->type != screen->type) {
3466                         dev_drv->hdmi_switch = 0;
3467                         mutex_unlock(&dev_drv->switch_screen);
3468                         kfree(envp[1]);
3469                         return 0;
3470                 }
3471
3472                 /* if used one lcdc to dual disp, no need to close win */
3473                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3474                     ((rk_fb->disp_mode == NO_DUAL) &&
3475                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3476                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3477                         dev_drv->cur_screen = dev_drv->screen0;
3478                         dev_drv->ops->load_screen(dev_drv, 1);
3479                         /* force modify dsp size */
3480                         info = rk_fb->fb[dev_drv->fb_index_base];
3481                         info->var.grayscale &= 0xff;
3482                         info->var.grayscale |=
3483                                 (dev_drv->cur_screen->mode.xres << 8) +
3484                                 (dev_drv->cur_screen->mode.yres << 20);
3485                         mutex_lock(&dev_drv->win_config);
3486                         info->var.xoffset = 0;
3487                         info->var.yoffset = 0;
3488                         info->fbops->fb_set_par(info);
3489                         info->fbops->fb_pan_display(&info->var, info);
3490                         mutex_unlock(&dev_drv->win_config);
3491
3492                         /*
3493                          * if currently is loader display, black until new
3494                          * display job.
3495                          */
3496                         if (dev_drv->uboot_logo) {
3497                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3498                                         if (dev_drv->win[i] && dev_drv->win[i]->state)
3499                                                 dev_drv->ops->open(dev_drv, i, 0);
3500                                 }
3501                         }
3502
3503                         /*if (dev_drv->ops->dsp_black)
3504                                 dev_drv->ops->dsp_black(dev_drv, 0);*/
3505                         if ((dev_drv->ops->backlight_close) &&
3506                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3507                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3508                                 dev_drv->ops->backlight_close(dev_drv, 0);
3509                 } else if (rk_fb->num_lcdc > 1) {
3510                         /* If there is more than one lcdc device, we disable
3511                            the layer which attached to this device */
3512                         dev_drv->suspend_flag = 1;
3513                         flush_kthread_worker(&dev_drv->update_regs_worker);
3514                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3515                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3516                                         dev_drv->ops->open(dev_drv, i, 0);
3517                         }
3518                 }
3519                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3520                 kfree(envp[1]);
3521
3522                 hdmi_switch_state = 0;
3523                 dev_drv->hdmi_switch = 0;
3524                 mutex_unlock(&dev_drv->switch_screen);
3525                 return 0;
3526         } else {
3527                 if (dev_drv->screen1)
3528                         dev_drv->cur_screen = dev_drv->screen1;
3529
3530                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3531                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3532                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3533                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3534                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3535         }
3536         if (!dev_drv->uboot_logo || load_screen ||
3537             ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3538              (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3539                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3540                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3541                         fb_par = (struct rk_fb_par *)info->par;
3542                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3543                         if (dev_drv->win[win_id]) {
3544                                 if (fb_par->state) {
3545                                         dev_drv->ops->load_screen(dev_drv, 1);
3546
3547                                         info->var.activate |= FB_ACTIVATE_FORCE;
3548                                         if (rk_fb->disp_mode == ONE_DUAL) {
3549                                                 info->var.grayscale &= 0xff;
3550                                                 info->var.grayscale |=
3551                                                         (dev_drv->cur_screen->xsize << 8) +
3552                                                         (dev_drv->cur_screen->ysize << 20);
3553                                         }
3554                                         if (dev_drv->uboot_logo) {
3555                                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3556                                                         if (dev_drv->win[i] && dev_drv->win[i]->state)
3557                                                                 dev_drv->ops->open(dev_drv, i, 0);
3558                                                 }
3559                                         } else if (!dev_drv->win[win_id]->state) {
3560                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3561                                                 dev_drv->suspend_flag = 0;
3562                                                 mutex_lock(&dev_drv->win_config);
3563                                                 info->var.xoffset = 0;
3564                                                 info->var.yoffset = 0;
3565                                                 info->fbops->fb_set_par(info);
3566                                                 info->fbops->fb_pan_display(&info->var, info);
3567                                                 mutex_unlock(&dev_drv->win_config);
3568                                         }
3569                                 }
3570                         }
3571                 }
3572         } else {
3573                 dev_drv->ops->load_screen(dev_drv, 0);
3574         }
3575         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3576         kfree(envp[1]);
3577
3578         hdmi_switch_state = 1;
3579         load_screen = true;
3580         dev_drv->hdmi_switch = 0;
3581         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3582                 if ((dev_drv->ops->set_screen_scaler) &&
3583                     (rk_fb->disp_mode == ONE_DUAL))
3584                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3585                 /*if (dev_drv->ops->dsp_black)
3586                         dev_drv->ops->dsp_black(dev_drv, 0);*/
3587                 if ((dev_drv->ops->backlight_close) &&
3588                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3589                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
3590                     (rk_fb->disp_mode == ONE_DUAL))
3591                         dev_drv->ops->backlight_close(dev_drv, 0);
3592         }
3593         mutex_unlock(&dev_drv->switch_screen);
3594         return 0;
3595 }
3596
3597 /*
3598  * function:this function current only called by hdmi for
3599  *      scale the display
3600  * scale_x: scale rate of x resolution
3601  * scale_y: scale rate of y resolution
3602  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3603  */
3604 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3605 {
3606         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3607         struct fb_info *info = NULL;
3608         struct fb_info *pmy_info = NULL;
3609         struct fb_var_screeninfo *var = NULL;
3610         struct rk_lcdc_driver *dev_drv = NULL;
3611         u16 screen_x, screen_y;
3612         u16 xpos, ypos;
3613         char name[6];
3614         struct rk_screen primary_screen;
3615         rk_fb_get_prmry_screen(&primary_screen);
3616         if (primary_screen.type == SCREEN_HDMI) {
3617                 return 0;
3618         }
3619         pr_err("fuck not be hear--%s\n",__func__);
3620
3621         return 0;
3622         sprintf(name, "lcdc%d", lcdc_id);
3623
3624         if (inf->disp_mode == DUAL) {
3625                 dev_drv = rk_get_lcdc_drv(name);
3626                 if (dev_drv == NULL) {
3627                         printk(KERN_ERR "%s driver not found!", name);
3628                         return -ENODEV;
3629                 }
3630         } else {
3631                 dev_drv = inf->lcdc_dev_drv[0];
3632         }
3633
3634         if (inf->num_lcdc == 1) {
3635                 info = inf->fb[0];
3636         } else if (inf->num_lcdc == 2) {
3637                 info = inf->fb[dev_drv->lcdc_win_num];
3638                 pmy_info = inf->fb[0];
3639         }
3640
3641         var = &info->var;
3642         screen_x = dev_drv->cur_screen->mode.xres;
3643         screen_y = dev_drv->cur_screen->mode.yres;
3644
3645         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3646                 dev_drv->cur_screen->xpos =
3647                     (screen_x - screen_x * scale_x / 100) >> 1;
3648                 dev_drv->cur_screen->ypos =
3649                     (screen_y - screen_y * scale_y / 100) >> 1;
3650                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3651                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3652         } else {
3653                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3654                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3655                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3656                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3657                 if (inf->disp_mode == ONE_DUAL) {
3658                         var->nonstd &= 0xff;
3659                         var->nonstd |= (xpos << 8) + (ypos << 20);
3660                         var->grayscale &= 0xff;
3661                         var->grayscale |=
3662                                 (dev_drv->cur_screen->xsize << 8) +
3663                                 (dev_drv->cur_screen->ysize << 20);
3664                 }
3665         }
3666
3667         mutex_lock(&dev_drv->win_config);
3668         info->fbops->fb_set_par(info);
3669         dev_drv->ops->cfg_done(dev_drv);
3670         mutex_unlock(&dev_drv->win_config);
3671
3672         return 0;
3673 }
3674
3675 #if defined(CONFIG_ION_ROCKCHIP)
3676 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3677                                      struct rk_lcdc_win *win,
3678                                      unsigned long fb_mem_size)
3679 {
3680         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3681         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3682         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3683         struct ion_handle *handle;
3684         ion_phys_addr_t phy_addr;
3685         size_t len;
3686         int ret = 0;
3687
3688         if (dev_drv->iommu_enabled)
3689                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3690                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3691         else
3692                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3693                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3694         if (IS_ERR(handle)) {
3695                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3696                         PTR_ERR(handle));
3697                 return -ENOMEM;
3698         }
3699
3700         fb_par->ion_hdl = handle;
3701         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3702         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3703                 printk("ion_share_dma_buf() failed\n");
3704                 goto err_share_dma_buf;
3705         }
3706         win->area[0].ion_hdl = handle;
3707         if (dev_drv->prop == PRMRY)
3708                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3709 #ifdef CONFIG_ROCKCHIP_IOMMU
3710         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3711                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3712                                         (unsigned long *)&phy_addr,
3713                                         (unsigned long *)&len);
3714         else
3715                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3716 #else
3717         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3718 #endif
3719         if (ret < 0) {
3720                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3721                 goto err_share_dma_buf;
3722         }
3723         fbi->fix.smem_start = phy_addr;
3724         fbi->fix.smem_len = len;
3725         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3726         return 0;
3727
3728 err_share_dma_buf:
3729         ion_free(rk_fb->ion_client, handle);
3730         return -ENOMEM;
3731 }
3732 #endif
3733
3734 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3735 {
3736         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3737         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3738         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3739         struct rk_lcdc_win *win = NULL;
3740         int win_id;
3741         int ret = 0;
3742         unsigned long fb_mem_size;
3743 #if !defined(CONFIG_ION_ROCKCHIP)
3744         dma_addr_t fb_mem_phys;
3745         void *fb_mem_virt;
3746 #endif
3747
3748         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3749         if (win_id < 0)
3750                 return -ENODEV;
3751         else
3752                 win = dev_drv->win[win_id];
3753
3754         if (!strcmp(fbi->fix.id, "fb0")) {
3755                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3756 #if defined(CONFIG_ION_ROCKCHIP)
3757                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3758                         return -ENOMEM;
3759 #else
3760                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3761                                                      &fb_mem_phys, GFP_KERNEL);
3762                 if (!fb_mem_virt) {
3763                         pr_err("%s: Failed to allocate framebuffer\n",
3764                                __func__);
3765                         return -ENOMEM;
3766                 }
3767                 fbi->fix.smem_len = fb_mem_size;
3768                 fbi->fix.smem_start = fb_mem_phys;
3769                 fbi->screen_base = fb_mem_virt;
3770 #endif
3771                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3772         } else {
3773                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3774                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3775                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3776         }
3777
3778         fbi->screen_size = fbi->fix.smem_len;
3779         fb_par->fb_phy_base = fbi->fix.smem_start;
3780         fb_par->fb_virt_base = fbi->screen_base;
3781         fb_par->fb_size = fbi->fix.smem_len;
3782
3783         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3784                        fbi->fix.smem_start, fbi->screen_base,
3785                        fbi->fix.smem_len);
3786         return ret;
3787 }
3788
3789 #if 0
3790 static int rk_release_fb_buffer(struct fb_info *fbi)
3791 {
3792         /* buffer for fb1 and fb3 are alloc by android */
3793         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3794                 return 0;
3795         iounmap(fbi->screen_base);
3796         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3797         return 0;
3798 }
3799 #endif
3800
3801 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3802                          struct rk_lcdc_win *def_win)
3803 {
3804         int i;
3805         int lcdc_win_num = dev_drv->lcdc_win_num;
3806
3807         for (i = 0; i < lcdc_win_num; i++) {
3808                 struct rk_lcdc_win *win = NULL;
3809                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3810                 if (!win) {
3811                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3812                         return -ENOMEM;
3813                 }
3814
3815                 strcpy(win->name, def_win[i].name);
3816                 win->id = def_win[i].id;
3817                 win->support_3d = def_win[i].support_3d;
3818                 dev_drv->win[i] = win;
3819         }
3820
3821         return 0;
3822 }
3823
3824 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3825                                    struct rk_lcdc_win *def_win, int index)
3826 {
3827         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3828         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3829                                                 sizeof(struct rk_screen),
3830                                                 GFP_KERNEL);
3831         int i = 0;
3832
3833         if (!screen) {
3834                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3835                         dev_drv->id);
3836                 return -ENOMEM;
3837         }
3838
3839         screen->screen_id = 0;
3840         screen->lcdc_id = dev_drv->id;
3841         screen->overscan.left = 100;
3842         screen->overscan.top = 100;
3843         screen->overscan.right = 100;
3844         screen->overscan.bottom = 100;
3845
3846         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3847         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3848
3849         dev_drv->screen0 = screen;
3850         dev_drv->cur_screen = screen;
3851         /* devie use one lcdc + rk61x scaler for dual display */
3852         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3853                 struct rk_screen *screen1 =
3854                                 devm_kzalloc(dev_drv->dev,
3855                                              sizeof(struct rk_screen),
3856                                              GFP_KERNEL);
3857                 if (!screen1) {
3858                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3859                                 dev_drv->id);
3860                         return -ENOMEM;
3861                 }
3862                 screen1->screen_id = 1;
3863                 screen1->lcdc_id = 1;
3864                 dev_drv->screen1 = screen1;
3865         }
3866         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3867         init_lcdc_win(dev_drv, def_win);
3868         init_completion(&dev_drv->frame_done);
3869         spin_lock_init(&dev_drv->cpl_lock);
3870         mutex_init(&dev_drv->fb_win_id_mutex);
3871         mutex_init(&dev_drv->win_config);
3872         mutex_init(&dev_drv->front_lock);
3873         mutex_init(&dev_drv->switch_screen);
3874         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3875         dev_drv->first_frame = 1;
3876         dev_drv->overscan.left = 100;
3877         dev_drv->overscan.top = 100;
3878         dev_drv->overscan.right = 100;
3879         dev_drv->overscan.bottom = 100;
3880         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3881                 dev_drv->area_support[i] = 1;
3882         if (dev_drv->ops->area_support_num)
3883                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3884         rk_disp_pwr_ctr_parse_dt(dev_drv);
3885         if (dev_drv->prop == PRMRY) {
3886                 rk_fb_set_prmry_screen(screen);
3887                 rk_fb_get_prmry_screen(screen);
3888         }
3889         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3890         if (dev_drv->prop != PRMRY)
3891                 rk_fb_get_prmry_screen(screen);
3892         dev_drv->output_color = screen->color_mode;
3893
3894         return 0;
3895 }
3896
3897 #ifdef CONFIG_LOGO_LINUX_BMP
3898 static struct linux_logo *bmp_logo;
3899 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3900 {
3901         bmp_logo = fb_find_logo(24);
3902         if (bmp_logo == NULL) {
3903                 printk(KERN_INFO "%s error\n", __func__);
3904                 return 0;
3905         }
3906         return 1;
3907 }
3908
3909 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3910 {
3911         unsigned char *src = bmp_logo->data;
3912         unsigned char *dst = info->screen_base;
3913         int i;
3914         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3915         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3916
3917         for (i = 0; i < Needheight; i++)
3918                 memcpy(dst + info->var.xres * i * 4,
3919                        src + bmp_logo->width * i * 4, Needwidth * 4);
3920 }
3921 #endif
3922
3923 /*
3924  * check if the primary lcdc has registerd,
3925  * the primary lcdc mas register first
3926  */
3927 bool is_prmry_rk_lcdc_registered(void)
3928 {
3929         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3930
3931         if (rk_fb->lcdc_dev_drv[0])
3932                 return true;
3933         else
3934                 return false;
3935 }
3936
3937 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3938                    struct rk_lcdc_win *win, int id)
3939 {
3940         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3941         struct fb_info *fbi;
3942         struct rk_fb_par *fb_par = NULL;
3943         int i = 0, ret = 0, index = 0;
3944         unsigned long flags;
3945
3946         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3947                 return -ENXIO;
3948
3949         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3950                 if (!rk_fb->lcdc_dev_drv[i]) {
3951                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3952                         rk_fb->lcdc_dev_drv[i]->id = id;
3953                         rk_fb->num_lcdc++;
3954                         break;
3955                 }
3956         }
3957
3958         index = i;
3959         init_lcdc_device_driver(rk_fb, win, index);
3960         dev_drv->fb_index_base = rk_fb->num_fb;
3961         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3962                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3963                 if (!fbi) {
3964                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3965                         ret = -ENOMEM;
3966                 }
3967                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3968                                       GFP_KERNEL);
3969                 if (!fb_par) {
3970                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3971                                 rk_fb->num_fb);
3972                         return -ENOMEM;
3973                 }
3974                 fb_par->id = rk_fb->num_fb;
3975                 fb_par->lcdc_drv = dev_drv;
3976                 fbi->par = (void *)fb_par;
3977                 fbi->var = def_var;
3978                 fbi->fix = def_fix;
3979                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3980                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3981                 fbi->var.grayscale |=
3982                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3983 #if defined(CONFIG_LOGO_LINUX_BMP)
3984                 fbi->var.bits_per_pixel = 32;
3985 #else
3986                 fbi->var.bits_per_pixel = 16;
3987 #endif
3988                 fbi->fix.line_length =
3989                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3990                 fbi->var.width = dev_drv->cur_screen->width;
3991                 fbi->var.height = dev_drv->cur_screen->height;
3992                 if (dev_drv->iommu_enabled)
3993                         fb_ops.fb_mmap = rk_fb_mmap;
3994                 fbi->fbops = &fb_ops;
3995                 fbi->flags = FBINFO_FLAG_DEFAULT;
3996                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3997                 ret = register_framebuffer(fbi);
3998                 if (ret < 0) {
3999                         dev_err(&fb_pdev->dev,
4000                                 "%s fb%d register_framebuffer fail!\n",
4001                                 __func__, rk_fb->num_fb);
4002                         return ret;
4003                 }
4004                 rkfb_create_sysfs(fbi);
4005                 rk_fb->fb[rk_fb->num_fb] = fbi;
4006                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4007                          fbi->fix.id);
4008                 rk_fb->num_fb++;
4009
4010                 if (i == 0) {
4011                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4012                         init_waitqueue_head(&dev_drv->update_regs_wait);
4013                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4014                         if (ret)
4015                                 dev_err(fbi->dev,
4016                                         "failed to create vsync file\n");
4017                         dev_drv->vsync_info.thread =
4018                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4019                                         "fb-vsync");
4020                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4021                                 dev_err(fbi->dev,
4022                                         "failed to run vsync thread\n");
4023                                 dev_drv->vsync_info.thread = NULL;
4024                         }
4025                         dev_drv->vsync_info.active = 1;
4026
4027                         mutex_init(&dev_drv->output_lock);
4028
4029                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4030                         mutex_init(&dev_drv->update_regs_list_lock);
4031                         init_kthread_worker(&dev_drv->update_regs_worker);
4032
4033                         dev_drv->update_regs_thread =
4034                             kthread_run(kthread_worker_fn,
4035                                         &dev_drv->update_regs_worker, "rk-fb");
4036                         if (IS_ERR(dev_drv->update_regs_thread)) {
4037                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4038                                 dev_drv->update_regs_thread = NULL;
4039
4040                                 printk("failed to run update_regs thread\n");
4041                                 return err;
4042                         }
4043                         init_kthread_work(&dev_drv->update_regs_work,
4044                                           rk_fb_update_regs_handler);
4045
4046                         dev_drv->timeline =
4047                             sw_sync_timeline_create("fb-timeline");
4048                         dev_drv->timeline_max = 1;
4049                 }
4050         }
4051
4052         /* show logo for primary display device */
4053 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4054         if (dev_drv->prop == PRMRY) {
4055                 u16 xact, yact;
4056                 int format;
4057                 u32 dsp_addr;
4058                 struct fb_info *main_fbi = rk_fb->fb[0];
4059                 main_fbi->fbops->fb_open(main_fbi, 1);
4060                 main_fbi->var.pixclock = dev_drv->pixclock;
4061 #if defined(CONFIG_ROCKCHIP_IOMMU)
4062                 if (dev_drv->iommu_enabled) {
4063                         if (dev_drv->mmu_dev)
4064                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4065                                                 rk_fb_sysmmu_fault_handler);
4066                 }
4067 #endif
4068
4069                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4070                 dev_drv->uboot_logo = support_uboot_display();
4071
4072                 if (dev_drv->uboot_logo &&
4073                     uboot_logo_offset && uboot_logo_base) {
4074                         int width, height, bits;
4075                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4076                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4077                         unsigned int nr_pages;
4078                         struct page **pages;
4079                         char *vaddr;
4080                         int i = 0;
4081
4082                         if (dev_drv->ops->get_dspbuf_info)
4083                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4084                                         &yact, &format, &dsp_addr);
4085                         nr_pages = size >> PAGE_SHIFT;
4086                         pages = kzalloc(sizeof(struct page) * nr_pages,
4087                                         GFP_KERNEL);
4088                         while (i < nr_pages) {
4089                                 pages[i] = phys_to_page(start);
4090                                 start += PAGE_SIZE;
4091                                 i++;
4092                         }
4093                         vaddr = vmap(pages, nr_pages, VM_MAP,
4094                                         pgprot_writecombine(PAGE_KERNEL));
4095                         if (!vaddr) {
4096                                 pr_err("failed to vmap phy addr 0x%lx\n",
4097                                        (long)(uboot_logo_base +
4098                                        uboot_logo_offset));
4099                                 return -1;
4100                         }
4101
4102                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
4103                                       &height, &bits)) {
4104                                 kfree(pages);
4105                                 vunmap(vaddr);
4106                                 return 0;
4107                         }
4108                         kfree(pages);
4109                         vunmap(vaddr);
4110                         if (dev_drv->uboot_logo &&
4111                             (width != xact || height != yact)) {
4112                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4113                                         xact, yact, width, height);
4114                                 return 0;
4115                         }
4116                         local_irq_save(flags);
4117                         if (dev_drv->ops->wait_frame_start)
4118                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4119                         if (dev_drv->ops->post_dspbuf) {
4120                                 dev_drv->ops->post_dspbuf(dev_drv,
4121                                         main_fbi->fix.smem_start,
4122                                         rk_fb_data_fmt(0, bits),
4123                                         width, height, width * bits >> 5);
4124                         }
4125                         if (dev_drv->iommu_enabled) {
4126                                 rk_fb_poll_wait_frame_complete();
4127                                 if (dev_drv->ops->mmu_en)
4128                                         dev_drv->ops->mmu_en(dev_drv);
4129                                 freed_index = 0;
4130                         }
4131                         local_irq_restore(flags);
4132                         return 0;
4133                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4134                         u32 start = uboot_logo_base;
4135                         u32 start_base = start;
4136                         int logo_len, i=0;
4137                         unsigned int nr_pages;
4138                         struct page **pages;
4139                         char *vaddr;
4140
4141                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4142                                                       &yact, &format,
4143                                                       &start);
4144                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4145                         if (logo_len > uboot_logo_size ||
4146                             logo_len > main_fbi->fix.smem_len) {
4147                                 pr_err("logo size > uboot reserve buffer size\n");
4148                                 return -1;
4149                         }
4150
4151                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
4152                         pages = kzalloc(sizeof(struct page) * nr_pages,
4153                                         GFP_KERNEL);
4154                         while (i < nr_pages) {
4155                                 pages[i] = phys_to_page(start);
4156                                 start += PAGE_SIZE;
4157                                 i++;
4158                         }
4159                         vaddr = vmap(pages, nr_pages, VM_MAP,
4160                                         pgprot_writecombine(PAGE_KERNEL));
4161                         if (!vaddr) {
4162                                 pr_err("failed to vmap phy addr 0x%x\n",
4163                                        start_base);
4164                                 return -1;
4165                         }
4166
4167                         memcpy(main_fbi->screen_base, vaddr, logo_len);
4168
4169                         kfree(pages);
4170                         vunmap(vaddr);
4171                         local_irq_save(flags);
4172                         if (dev_drv->ops->wait_frame_start)
4173                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4174                         dev_drv->ops->post_dspbuf(dev_drv,
4175                                         main_fbi->fix.smem_start,
4176                                         format, xact, yact,
4177                                         xact * rk_fb_pixel_width(format) >> 5);
4178                         if (dev_drv->iommu_enabled) {
4179                                 rk_fb_poll_wait_frame_complete();
4180                                 if (dev_drv->ops->mmu_en)
4181                                         dev_drv->ops->mmu_en(dev_drv);
4182                                 freed_index = 0;
4183                         }
4184                         local_irq_restore(flags);
4185                         return 0;
4186                 } else {
4187                         if (dev_drv->iommu_enabled) {
4188                                 if (dev_drv->ops->mmu_en)
4189                                         dev_drv->ops->mmu_en(dev_drv);
4190                                 freed_index = 0;
4191                         }
4192                 }
4193 #if defined(CONFIG_LOGO)
4194                 main_fbi->fbops->fb_set_par(main_fbi);
4195 #if  defined(CONFIG_LOGO_LINUX_BMP)
4196                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4197                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4198                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4199                 }
4200 #else
4201                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4202                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4203                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4204                 }
4205 #endif
4206                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4207 #endif
4208         } else {
4209                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4210                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4211                 rk_fb_alloc_buffer(extend_fbi);
4212         }
4213 #endif
4214         return 0;
4215 }
4216
4217 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4218 {
4219         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4220         struct fb_info *fbi;
4221         int fb_index_base = dev_drv->fb_index_base;
4222         int fb_num = dev_drv->lcdc_win_num;
4223         int i = 0;
4224
4225         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4226                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4227                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4228         }
4229
4230         for (i = 0; i < fb_num; i++)
4231                 kfree(dev_drv->win[i]);
4232
4233         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4234                 fbi = fb_inf->fb[i];
4235                 unregister_framebuffer(fbi);
4236                 /* rk_release_fb_buffer(fbi); */
4237                 framebuffer_release(fbi);
4238         }
4239         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4240         fb_inf->num_lcdc--;
4241
4242         return 0;
4243 }
4244
4245 static int rk_fb_probe(struct platform_device *pdev)
4246 {
4247         struct rk_fb *rk_fb = NULL;
4248         struct device_node *np = pdev->dev.of_node;
4249         u32 mode;
4250
4251         if (!np) {
4252                 dev_err(&pdev->dev, "Missing device tree node.\n");
4253                 return -EINVAL;
4254         }
4255
4256         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4257         if (!rk_fb) {
4258                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4259                 return -ENOMEM;
4260         }
4261         platform_set_drvdata(pdev, rk_fb);
4262
4263         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4264                 rk_fb->disp_mode = mode;
4265
4266         } else {
4267                 dev_err(&pdev->dev, "no disp-mode node found!");
4268                 return -ENODEV;
4269         }
4270
4271         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4272                 rk_fb->disp_policy = mode;
4273                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4274         }
4275
4276         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4277                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4278
4279         dev_set_name(&pdev->dev, "rockchip-fb");
4280 #if defined(CONFIG_ION_ROCKCHIP)
4281         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4282         if (IS_ERR(rk_fb->ion_client)) {
4283                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4284                 return PTR_ERR(rk_fb->ion_client);
4285         } else {
4286                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4287         }
4288 #endif
4289
4290         fb_pdev = pdev;
4291         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4292         return 0;
4293 }
4294
4295 static int rk_fb_remove(struct platform_device *pdev)
4296 {
4297         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4298
4299         kfree(rk_fb);
4300         platform_set_drvdata(pdev, NULL);
4301         return 0;
4302 }
4303
4304 static void rk_fb_shutdown(struct platform_device *pdev)
4305 {
4306         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4307         int i;
4308
4309         for (i = 0; i < rk_fb->num_lcdc; i++) {
4310                 if (!rk_fb->lcdc_dev_drv[i])
4311                         continue;
4312                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4313         }
4314 }
4315
4316 static const struct of_device_id rkfb_dt_ids[] = {
4317         {.compatible = "rockchip,rk-fb",},
4318         {}
4319 };
4320
4321 static struct platform_driver rk_fb_driver = {
4322         .probe = rk_fb_probe,
4323         .remove = rk_fb_remove,
4324         .driver = {
4325                    .name = "rk-fb",
4326                    .owner = THIS_MODULE,
4327                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4328                    },
4329         .shutdown = rk_fb_shutdown,
4330 };
4331
4332 static int __init rk_fb_init(void)
4333 {
4334         return platform_driver_register(&rk_fb_driver);
4335 }
4336
4337 static void __exit rk_fb_exit(void)
4338 {
4339         platform_driver_unregister(&rk_fb_driver);
4340 }
4341
4342 fs_initcall(rk_fb_init);
4343 module_exit(rk_fb_exit);