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_complete;
  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 int support_uboot_display(void)
  80 {
  81         return uboot_logo_on;
  82 }
  83
  84 int rk_fb_get_display_policy(void)
  85 {
  86         struct rk_fb *rk_fb;
  87
  88         if (fb_pdev) {
  89                 rk_fb = platform_get_drvdata(fb_pdev);
  90                 return rk_fb->disp_policy;
  91         } else {
  92                 return DISPLAY_POLICY_SDK;
  93         }
  94 }
  95
  96 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  97 {
  98         switch (type) {
  99         case SCREEN_RGB:
 100         case SCREEN_LVDS:
 101         case SCREEN_DUAL_LVDS:
 102                 trsm_lvds_ops = ops;
 103                 break;
 104         case SCREEN_EDP:
 105                 trsm_edp_ops = ops;
 106                 break;
 107         case SCREEN_MIPI:
 108         case SCREEN_DUAL_MIPI:
 109                 trsm_mipi_ops = ops;
 110                 break;
 111         default:
 112                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 113                        __func__, type);
 114                 break;
 115         }
 116         return 0;
 117 }
 118
 119 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 120 {
 121         struct rk_fb_trsm_ops *ops;
 122         switch (type) {
 123         case SCREEN_RGB:
 124         case SCREEN_LVDS:
 125         case SCREEN_DUAL_LVDS:
 126                 ops = trsm_lvds_ops;
 127                 break;
 128         case SCREEN_EDP:
 129                 ops = trsm_edp_ops;
 130                 break;
 131         case SCREEN_MIPI:
 132         case SCREEN_DUAL_MIPI:
 133                 ops = trsm_mipi_ops;
 134                 break;
 135         default:
 136                 ops = NULL;
 137                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 138                        __func__, type);
 139                 break;
 140         }
 141         return ops;
 142 }
 143
 144 int rk_fb_pixel_width(int data_format)
 145 {
 146         int pixel_width;
 147         switch (data_format) {
 148         case XBGR888:
 149         case ABGR888:
 150         case ARGB888:
 151         case FBDC_ARGB_888:
 152         case FBDC_RGBX_888:
 153                 pixel_width = 4 * 8;
 154                 break;
 155         case RGB888:
 156                 pixel_width = 3 * 8;
 157                 break;
 158         case RGB565:
 159         case FBDC_RGB_565:
 160                 pixel_width = 2 * 8;
 161                 break;
 162         case YUV422:
 163         case YUV420:
 164         case YUV444:
 165                 pixel_width = 1 * 8;
 166                 break;
 167         case YUV422_A:
 168         case YUV420_A:
 169         case YUV444_A:
 170                 pixel_width = 8;
 171                 break;
 172         default:
 173                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 174                        __func__, data_format);
 175                 return -EINVAL;
 176         }
 177         return pixel_width;
 178 }
 179
 180 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 181 {
 182         int fb_data_fmt;
 183         if (data_format) {
 184                 switch (data_format) {
 185                 case HAL_PIXEL_FORMAT_RGBX_8888:
 186                         fb_data_fmt = XBGR888;
 187                         break;
 188                 case HAL_PIXEL_FORMAT_RGBA_8888:
 189                         fb_data_fmt = ABGR888;
 190                         break;
 191                 case HAL_PIXEL_FORMAT_BGRA_8888:
 192                         fb_data_fmt = ARGB888;
 193                         break;
 194                 case HAL_PIXEL_FORMAT_RGB_888:
 195                         fb_data_fmt = RGB888;
 196                         break;
 197                 case HAL_PIXEL_FORMAT_RGB_565:
 198                         fb_data_fmt = RGB565;
 199                         break;
 200                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 201                         fb_data_fmt = YUV422;
 202                         break;
 203                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 204                         fb_data_fmt = YUV420;
 205                         break;
 206                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 207                         fb_data_fmt = YUV444;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 210                         fb_data_fmt = YUV420_A;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 213                         fb_data_fmt = YUV422_A;
 214                         break;
 215                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 216                         fb_data_fmt = YUV444_A;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 219                         fb_data_fmt = FBDC_RGB_565;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 222                         fb_data_fmt = FBDC_ARGB_888;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 225                         fb_data_fmt = FBDC_RGBX_888;
 226                         break;
 227                 default:
 228                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 229                                __func__, data_format);
 230                         return -EINVAL;
 231                 }
 232         } else {
 233                 switch (bits_per_pixel) {
 234                 case 32:
 235                         fb_data_fmt = ARGB888;
 236                         break;
 237                 case 24:
 238                         fb_data_fmt = RGB888;
 239                         break;
 240                 case 16:
 241                         fb_data_fmt = RGB565;
 242                         break;
 243                 default:
 244                         printk(KERN_WARNING
 245                                "%s:un supported bits_per_pixel:%d\n", __func__,
 246                                bits_per_pixel);
 247                         break;
 248                 }
 249         }
 250         return fb_data_fmt;
 251 }
 252
 253 /*
 254  * rk display power control parse from dts
 255  */
 256 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 257 {
 258         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 259                                                         "power_ctr");
 260         struct device_node *child;
 261         struct rk_disp_pwr_ctr_list *pwr_ctr;
 262         struct list_head *pos;
 263         enum of_gpio_flags flags;
 264         u32 val = 0;
 265         u32 debug = 0;
 266         int ret;
 267
 268         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 269         if (!root) {
 270                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 271                         dev_drv->id);
 272                 return -ENODEV;
 273         }
 274
 275         for_each_child_of_node(root, child) {
 276                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 277                                   GFP_KERNEL);
 278                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 279                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 280                         if (val == GPIO) {
 281                                 pwr_ctr->pwr_ctr.type = GPIO;
 282                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 283                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 284                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 285                                                 child->name);
 286                                         return -EINVAL;
 287                                 }
 288                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 289                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 290                                                    child->name);
 291                                 if (ret) {
 292                                         dev_err(dev_drv->dev,
 293                                                 "request %s gpio fail:%d\n",
 294                                                 child->name, ret);
 295                                 }
 296
 297                         } else {
 298                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 299                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 300                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 301                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 302                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 303                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 304                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 305                                         pwr_ctr->pwr_ctr.volt = val;
 306                                 else
 307                                         pwr_ctr->pwr_ctr.volt = 0;
 308                         }
 309                 };
 310
 311                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 312                         pwr_ctr->pwr_ctr.delay = val;
 313                 else
 314                         pwr_ctr->pwr_ctr.delay = 0;
 315                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 316         }
 317
 318         of_property_read_u32(root, "rockchip,debug", &debug);
 319
 320         if (debug) {
 321                 list_for_each(pos, &dev_drv->pwrlist_head) {
 322                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 323                                              list);
 324                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 325                                "pwr_type:%s\n"
 326                                "gpio:%d\n"
 327                                "atv_val:%d\n"
 328                                "delay:%d\n\n",
 329                                pwr_ctr->pwr_ctr.name,
 330                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 331                                pwr_ctr->pwr_ctr.gpio,
 332                                pwr_ctr->pwr_ctr.atv_val,
 333                                pwr_ctr->pwr_ctr.delay);
 334                 }
 335         }
 336
 337         return 0;
 338
 339 }
 340
 341 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 342 {
 343         struct list_head *pos;
 344         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 345         struct pwr_ctr *pwr_ctr;
 346         struct regulator *regulator_lcd = NULL;
 347         int count = 10;
 348
 349         if (list_empty(&dev_drv->pwrlist_head))
 350                 return 0;
 351         list_for_each(pos, &dev_drv->pwrlist_head) {
 352                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 353                                           list);
 354                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 355                 if (pwr_ctr->type == GPIO) {
 356                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 357                         mdelay(pwr_ctr->delay);
 358                 } else if (pwr_ctr->type == REGULATOR) {
 359                         if (pwr_ctr->rgl_name)
 360                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 361                         if (regulator_lcd == NULL) {
 362                                 dev_err(dev_drv->dev,
 363                                         "%s: regulator get failed,regulator name:%s\n",
 364                                         __func__, pwr_ctr->rgl_name);
 365                                 continue;
 366                         }
 367                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 368                         while (!regulator_is_enabled(regulator_lcd)) {
 369                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 370                                         break;
 371                                 else
 372                                         dev_err(dev_drv->dev,
 373                                                 "regulator_enable failed,count=%d\n",
 374                                                 count);
 375                                 count--;
 376                         }
 377                         regulator_put(regulator_lcd);
 378                         msleep(pwr_ctr->delay);
 379                 }
 380         }
 381
 382         return 0;
 383 }
 384
 385 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 386 {
 387         struct list_head *pos;
 388         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 389         struct pwr_ctr *pwr_ctr;
 390         struct regulator *regulator_lcd = NULL;
 391         int count = 10;
 392
 393         if (list_empty(&dev_drv->pwrlist_head))
 394                 return 0;
 395         list_for_each(pos, &dev_drv->pwrlist_head) {
 396                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 397                                           list);
 398                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 399                 if (pwr_ctr->type == GPIO) {
 400                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 401                 } else if (pwr_ctr->type == REGULATOR) {
 402                         if (pwr_ctr->rgl_name)
 403                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 404                         if (regulator_lcd == NULL) {
 405                                 dev_err(dev_drv->dev,
 406                                         "%s: regulator get failed,regulator name:%s\n",
 407                                         __func__, pwr_ctr->rgl_name);
 408                                 continue;
 409                         }
 410                         while (regulator_is_enabled(regulator_lcd) > 0) {
 411                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 412                                         break;
 413                                 else
 414                                         dev_err(dev_drv->dev,
 415                                                 "regulator_disable failed,count=%d\n",
 416                                                 count);
 417                                 count--;
 418                         }
 419                         regulator_put(regulator_lcd);
 420                 }
 421         }
 422         return 0;
 423 }
 424
 425 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 426                                  struct rk_screen *screen)
 427 {
 428         screen->mode.pixclock = dt->pixelclock.typ;
 429         screen->mode.left_margin = dt->hback_porch.typ;
 430         screen->mode.right_margin = dt->hfront_porch.typ;
 431         screen->mode.xres = dt->hactive.typ;
 432         screen->mode.hsync_len = dt->hsync_len.typ;
 433         screen->mode.upper_margin = dt->vback_porch.typ;
 434         screen->mode.lower_margin = dt->vfront_porch.typ;
 435         screen->mode.yres = dt->vactive.typ;
 436         screen->mode.vsync_len = dt->vsync_len.typ;
 437         screen->type = dt->screen_type;
 438         screen->lvds_format = dt->lvds_format;
 439         screen->face = dt->face;
 440         screen->color_mode = dt->color_mode;
 441         screen->dsp_lut = dt->dsp_lut;
 442         screen->cabc_lut = dt->cabc_lut;
 443
 444         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 445                 screen->pin_dclk = 1;
 446         else
 447                 screen->pin_dclk = 0;
 448         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 449                 screen->pin_hsync = 1;
 450         else
 451                 screen->pin_hsync = 0;
 452         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 453                 screen->pin_vsync = 1;
 454         else
 455                 screen->pin_vsync = 0;
 456         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 457                 screen->pin_den = 1;
 458         else
 459                 screen->pin_den = 0;
 460
 461         return 0;
 462
 463 }
 464
 465 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 466 {
 467         struct display_timings *disp_timing;
 468         struct display_timing *dt;
 469         disp_timing = of_get_display_timings(np);
 470         if (!disp_timing) {
 471                 pr_err("parse display timing err\n");
 472                 return -EINVAL;
 473         }
 474         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 475         rk_fb_video_mode_from_timing(dt, screen);
 476         return 0;
 477
 478 }
 479
 480 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 481 {
 482         int x, y;
 483         unsigned long long hz;
 484         if (!screen) {
 485                 printk(KERN_ERR "%s:null screen!\n", __func__);
 486                 return 0;
 487         }
 488         x = screen->mode.xres + screen->mode.left_margin +
 489             screen->mode.right_margin + screen->mode.hsync_len;
 490         y = screen->mode.yres + screen->mode.upper_margin +
 491             screen->mode.lower_margin + screen->mode.vsync_len;
 492
 493         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 494
 495         hz += (x * y) / 2;
 496         do_div(hz, x * y);      /* divide by x * y with rounding */
 497
 498         hz += pixclock / 2;
 499         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 500
 501         return hz;
 502 }
 503
 504 char *get_format_string(enum data_format format, char *fmt)
 505 {
 506         if (!fmt)
 507                 return NULL;
 508         switch (format) {
 509         case ARGB888:
 510                 strcpy(fmt, "ARGB888");
 511                 break;
 512         case RGB888:
 513                 strcpy(fmt, "RGB888");
 514                 break;
 515         case RGB565:
 516                 strcpy(fmt, "RGB565");
 517                 break;
 518         case YUV420:
 519                 strcpy(fmt, "YUV420");
 520                 break;
 521         case YUV422:
 522                 strcpy(fmt, "YUV422");
 523                 break;
 524         case YUV444:
 525                 strcpy(fmt, "YUV444");
 526                 break;
 527         case YUV420_A:
 528                 strcpy(fmt, "YUV420_A");
 529                 break;
 530         case YUV422_A:
 531                 strcpy(fmt, "YUV422_A");
 532                 break;
 533         case YUV444_A:
 534                 strcpy(fmt, "YUV444_A");
 535                 break;
 536         case XRGB888:
 537                 strcpy(fmt, "XRGB888");
 538                 break;
 539         case XBGR888:
 540                 strcpy(fmt, "XBGR888");
 541                 break;
 542         case ABGR888:
 543                 strcpy(fmt, "ABGR888");
 544                 break;
 545         case FBDC_RGB_565:
 546                 strcpy(fmt, "FBDC_RGB_565");
 547                 break;
 548         case FBDC_ARGB_888:
 549                 strcpy(fmt, "FBDC_ARGB_888");
 550                 break;
 551         case FBDC_RGBX_888:
 552                 strcpy(fmt, "FBDC_RGBX_888");
 553                 break;
 554         default:
 555                 strcpy(fmt, "invalid");
 556                 break;
 557         }
 558
 559         return fmt;
 560
 561 }
 562
 563 /*
 564  * this is for hdmi
 565  * name: lcdc device name ,lcdc0 , lcdc1
 566  */
 567 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 568 {
 569         struct rk_fb *inf = NULL;
 570         struct rk_lcdc_driver *dev_drv = NULL;
 571         int i = 0;
 572
 573         if (likely(fb_pdev))
 574                 inf = platform_get_drvdata(fb_pdev);
 575         else
 576                 return NULL;
 577
 578         for (i = 0; i < inf->num_lcdc; i++) {
 579                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 580                         dev_drv = inf->lcdc_dev_drv[i];
 581                         break;
 582                 }
 583         }
 584
 585         return dev_drv;
 586 }
 587
 588 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 589 {
 590         struct rk_fb *inf = NULL;
 591         struct rk_lcdc_driver *dev_drv = NULL;
 592         int i = 0;
 593
 594         if (likely(fb_pdev))
 595                 inf = platform_get_drvdata(fb_pdev);
 596         else
 597                 return NULL;
 598
 599         for (i = 0; i < inf->num_lcdc; i++) {
 600                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 601                         dev_drv = inf->lcdc_dev_drv[i];
 602                         break;
 603                 }
 604         }
 605
 606         return dev_drv;
 607 }
 608
 609 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 610 {
 611         struct rk_fb *inf = NULL;
 612         struct rk_lcdc_driver *dev_drv = NULL;
 613         int i = 0;
 614
 615         if (likely(fb_pdev))
 616                 inf = platform_get_drvdata(fb_pdev);
 617         else
 618                 return NULL;
 619
 620         for (i = 0; i < inf->num_lcdc; i++) {
 621                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 622                         dev_drv = inf->lcdc_dev_drv[i];
 623                         break;
 624                 }
 625         }
 626
 627         return dev_drv;
 628 }
 629
 630 /*
 631  * get one frame time of the prmry screen, unit: us
 632  */
 633 u32 rk_fb_get_prmry_screen_ft(void)
 634 {
 635         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 636         uint32_t htotal, vtotal, pixclock_ps;
 637         u64 pix_total, ft_us;
 638
 639         if (unlikely(!dev_drv))
 640                 return 0;
 641
 642         pixclock_ps = dev_drv->pixclock;
 643
 644         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 645                  dev_drv->cur_screen->mode.lower_margin +
 646                  dev_drv->cur_screen->mode.yres +
 647                  dev_drv->cur_screen->mode.vsync_len);
 648         htotal = (dev_drv->cur_screen->mode.left_margin +
 649                  dev_drv->cur_screen->mode.right_margin +
 650                  dev_drv->cur_screen->mode.xres +
 651                  dev_drv->cur_screen->mode.hsync_len);
 652         pix_total = htotal * vtotal;
 653         ft_us = pix_total * pixclock_ps;
 654         do_div(ft_us, 1000000);
 655         if (dev_drv->frame_time.ft == 0)
 656                 dev_drv->frame_time.ft = ft_us;
 657
 658         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 659         do_div(ft_us, 1000);
 660         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 661         if (ft_us != 0)
 662                 dev_drv->frame_time.ft = ft_us;
 663
 664         return dev_drv->frame_time.ft;
 665 }
 666
 667 /*
 668  * get the vblanking time of the prmry screen, unit: us
 669  */
 670 u32 rk_fb_get_prmry_screen_vbt(void)
 671 {
 672         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 673         uint32_t htotal, vblank, pixclock_ps;
 674         u64 pix_blank, vbt_us;
 675
 676         if (unlikely(!dev_drv))
 677                 return 0;
 678
 679         pixclock_ps = dev_drv->pixclock;
 680
 681         htotal = (dev_drv->cur_screen->mode.left_margin +
 682                  dev_drv->cur_screen->mode.right_margin +
 683                  dev_drv->cur_screen->mode.xres +
 684                  dev_drv->cur_screen->mode.hsync_len);
 685         vblank = (dev_drv->cur_screen->mode.upper_margin +
 686                  dev_drv->cur_screen->mode.lower_margin +
 687                  dev_drv->cur_screen->mode.vsync_len);
 688         pix_blank = htotal * vblank;
 689         vbt_us = pix_blank * pixclock_ps;
 690         do_div(vbt_us, 1000000);
 691         return (u32)vbt_us;
 692 }
 693
 694 /*
 695  * get the frame done time of the prmry screen, unit: us
 696  */
 697 u64 rk_fb_get_prmry_screen_framedone_t(void)
 698 {
 699         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 700
 701         if (unlikely(!dev_drv))
 702                 return 0;
 703         else
 704                 return dev_drv->frame_time.framedone_t;
 705 }
 706
 707 /*
 708  * set prmry screen status
 709  */
 710 int rk_fb_set_prmry_screen_status(int status)
 711 {
 712         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 713         struct rk_screen *screen;
 714
 715         if (unlikely(!dev_drv))
 716                 return 0;
 717
 718         screen = dev_drv->cur_screen;
 719         switch (status) {
 720         case SCREEN_PREPARE_DDR_CHANGE:
 721                 if (screen->type == SCREEN_MIPI
 722                         || screen->type == SCREEN_DUAL_MIPI) {
 723                         if (dev_drv->trsm_ops->dsp_pwr_off)
 724                                 dev_drv->trsm_ops->dsp_pwr_off();
 725                 }
 726                 break;
 727         case SCREEN_UNPREPARE_DDR_CHANGE:
 728                 if (screen->type == SCREEN_MIPI
 729                         || screen->type == SCREEN_DUAL_MIPI) {
 730                         if (dev_drv->trsm_ops->dsp_pwr_on)
 731                                 dev_drv->trsm_ops->dsp_pwr_on();
 732                 }
 733                 break;
 734         default:
 735                 break;
 736         }
 737
 738         return 0;
 739 }
 740
 741 u32 rk_fb_get_prmry_screen_pixclock(void)
 742 {
 743         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 744
 745         if (unlikely(!dev_drv))
 746                 return 0;
 747         else
 748                 return dev_drv->pixclock;
 749 }
 750
 751 int rk_fb_poll_prmry_screen_vblank(void)
 752 {
 753         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 754
 755         if (likely(dev_drv)) {
 756                 if (dev_drv->ops->poll_vblank)
 757                         return dev_drv->ops->poll_vblank(dev_drv);
 758                 else
 759                         return RK_LF_STATUS_NC;
 760         } else {
 761                 return RK_LF_STATUS_NC;
 762         }
 763 }
 764
 765 bool rk_fb_poll_wait_frame_complete(void)
 766 {
 767         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 768         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 769
 770         if (likely(dev_drv)) {
 771                 if (dev_drv->ops->set_irq_to_cpu)
 772                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 773         }
 774
 775         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 776                 if (likely(dev_drv)) {
 777                         if (dev_drv->ops->set_irq_to_cpu)
 778                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 779                 }
 780                 return false;
 781         }
 782         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 783                 ;
 784         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 785                 ;
 786         if (likely(dev_drv)) {
 787                 if (dev_drv->ops->set_irq_to_cpu)
 788                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 789         }
 790
 791         return true;
 792 }
 793
 794
 795 /* rk_fb_get_sysmmu_device_by_compatible()
 796  * @compt: dts device compatible name
 797  * return value: success: pointer to the device inside of platform device
 798  *               fail: NULL
 799  */
 800 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 801 {
 802         struct device_node *dn = NULL;
 803         struct platform_device *pd = NULL;
 804         struct device *ret = NULL ;
 805
 806         dn = of_find_compatible_node(NULL, NULL, compt);
 807         if (!dn) {
 808                 printk("can't find device node %s \r\n", compt);
 809                 return NULL;
 810         }
 811
 812         pd = of_find_device_by_node(dn);
 813         if (!pd) {
 814                 printk("can't find platform device in device node %s \r\n", compt);
 815                 return  NULL;
 816         }
 817         ret = &pd->dev;
 818
 819         return ret;
 820 }
 821
 822 #ifdef CONFIG_IOMMU_API
 823 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 824 {
 825         dev->archdata.iommu = sysmmu;
 826 }
 827 #else
 828 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 829 {
 830
 831 }
 832 #endif
 833
 834 static int rk_fb_open(struct fb_info *info, int user)
 835 {
 836         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 837         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 838         int win_id;
 839
 840         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 841         fb_par->state++;
 842         /* if this win aready opened ,no need to reopen */
 843         if (dev_drv->win[win_id]->state)
 844                 return 0;
 845         else
 846                 dev_drv->ops->open(dev_drv, win_id, 1);
 847         return 0;
 848 }
 849
 850 static int rk_fb_close(struct fb_info *info, int user)
 851 {
 852         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 853         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 854         struct rk_lcdc_win *win = NULL;
 855         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 856
 857         if (win_id >= 0) {
 858                 win = dev_drv->win[win_id];
 859                 fb_par->state--;
 860                 if (!fb_par->state) {
 861                         if (fb_par->fb_phy_base > 0)
 862                                 info->fix.smem_start = fb_par->fb_phy_base;
 863                         info->var.xres = dev_drv->screen0->mode.xres;
 864                         info->var.yres = dev_drv->screen0->mode.yres;
 865                         /*
 866                         info->var.grayscale |=
 867                             (info->var.xres << 8) + (info->var.yres << 20);
 868                         */
 869                         info->var.xres_virtual = info->var.xres;
 870                         info->var.yres_virtual = info->var.yres;
 871 #if defined(CONFIG_LOGO_LINUX_BMP)
 872                         info->var.bits_per_pixel = 32;
 873 #else
 874                         info->var.bits_per_pixel = 16;
 875 #endif
 876                         info->fix.line_length =
 877                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 878                         info->var.width = dev_drv->screen0->width;
 879                         info->var.height = dev_drv->screen0->height;
 880                         info->var.pixclock = dev_drv->pixclock;
 881                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 882                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 883                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 884                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 885                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 886                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 887                 }
 888         }
 889
 890         return 0;
 891 }
 892
 893 #if defined(FB_ROATE_BY_KERNEL)
 894
 895 #if defined(CONFIG_RK29_IPP)
 896 static int get_ipp_format(int fmt)
 897 {
 898         int ipp_fmt = IPP_XRGB_8888;
 899         switch (fmt) {
 900         case HAL_PIXEL_FORMAT_RGBX_8888:
 901         case HAL_PIXEL_FORMAT_RGBA_8888:
 902         case HAL_PIXEL_FORMAT_BGRA_8888:
 903         case HAL_PIXEL_FORMAT_RGB_888:
 904                 ipp_fmt = IPP_XRGB_8888;
 905                 break;
 906         case HAL_PIXEL_FORMAT_RGB_565:
 907                 ipp_fmt = IPP_RGB_565;
 908                 break;
 909         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 910                 ipp_fmt = IPP_Y_CBCR_H2V1;
 911                 break;
 912         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 913                 ipp_fmt = IPP_Y_CBCR_H2V2;
 914                 break;
 915         case HAL_PIXEL_FORMAT_YCrCb_444:
 916                 ipp_fmt = IPP_Y_CBCR_H1V1;
 917                 break;
 918         default:
 919                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 920                 break;
 921         }
 922
 923         return ipp_fmt;
 924 }
 925
 926 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 927                           int rotation, int fmt)
 928 {
 929         int align16 = 2;
 930         int align64 = 8;
 931
 932         if (fmt == IPP_XRGB_8888) {
 933                 align16 = 1;
 934                 align64 = 2;
 935         } else if (fmt == IPP_RGB_565) {
 936                 align16 = 1;
 937                 align64 = 4;
 938         } else {
 939                 align16 = 2;
 940                 align64 = 8;
 941         }
 942         align16 -= 1;           /*for YUV, 1 */
 943         align64 -= 1;           /*for YUV, 7 */
 944
 945         if (rotation == IPP_ROT_0) {
 946                 if (fmt > IPP_RGB_565) {
 947                         if ((*dst_w & 1) != 0)
 948                                 *dst_w = *dst_w + 1;
 949                         if ((*dst_h & 1) != 0)
 950                                 *dst_h = *dst_h + 1;
 951                         if (*dst_vir_w < *dst_w)
 952                                 *dst_vir_w = *dst_w;
 953                 }
 954         } else {
 955                 if ((*dst_w & align64) != 0)
 956                         *dst_w = (*dst_w + align64) & (~align64);
 957                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 958                         *dst_h = *dst_h + 1;
 959                 if (*dst_vir_w < *dst_w)
 960                         *dst_vir_w = *dst_w;
 961         }
 962 }
 963
 964 static void fb_copy_by_ipp(struct fb_info *dst_info,
 965                                 struct fb_info *src_info)
 966 {
 967         struct rk29_ipp_req ipp_req;
 968         uint32_t rotation = 0;
 969         int dst_w, dst_h, dst_vir_w;
 970         int ipp_fmt;
 971         u8 data_format = (dst_info->var.nonstd) & 0xff;
 972         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 973         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 974         u16 orientation = ext_dev_drv->rotate_mode;
 975
 976         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 977
 978         switch (orientation) {
 979         case 0:
 980                 rotation = IPP_ROT_0;
 981                 break;
 982         case ROTATE_90:
 983                 rotation = IPP_ROT_90;
 984                 break;
 985         case ROTATE_180:
 986                 rotation = IPP_ROT_180;
 987                 break;
 988         case ROTATE_270:
 989                 rotation = IPP_ROT_270;
 990                 break;
 991         default:
 992                 rotation = IPP_ROT_270;
 993                 break;
 994         }
 995
 996         dst_w = dst_info->var.xres;
 997         dst_h = dst_info->var.yres;
 998         dst_vir_w = dst_info->var.xres_virtual;
 999         ipp_fmt = get_ipp_format(data_format);
1000         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1001         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1002         ipp_req.src0.w = src_info->var.xres;
1003         ipp_req.src0.h = src_info->var.yres;
1004         ipp_req.src_vir_w = src_info->var.xres_virtual;
1005         ipp_req.src0.fmt = ipp_fmt;
1006
1007         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1008         ipp_req.dst0.w = dst_w;
1009         ipp_req.dst0.h = dst_h;
1010         ipp_req.dst_vir_w = dst_vir_w;
1011         ipp_req.dst0.fmt = ipp_fmt;
1012
1013         ipp_req.timeout = 100;
1014         ipp_req.flag = rotation;
1015         ipp_blit_sync(&ipp_req);
1016 }
1017
1018 #endif
1019
1020 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1021 static int get_rga_format(int fmt)
1022 {
1023         int rga_fmt = 0;
1024
1025         switch (fmt) {
1026         case XBGR888:
1027                 rga_fmt = RK_FORMAT_RGBX_8888;
1028                 break;
1029         case ABGR888:
1030                 rga_fmt = RK_FORMAT_RGBA_8888;
1031                 break;
1032         case ARGB888:
1033                 rga_fmt = RK_FORMAT_BGRA_8888;
1034                 break;
1035         case RGB888:
1036                 rga_fmt = RK_FORMAT_RGB_888;
1037                 break;
1038         case RGB565:
1039                 rga_fmt = RK_FORMAT_RGB_565;
1040                 break;
1041         case YUV422:
1042                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1043                 break;
1044         case YUV420:
1045                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1046                 break;
1047         default:
1048                 rga_fmt = RK_FORMAT_RGBA_8888;
1049                 break;
1050         }
1051
1052         return rga_fmt;
1053 }
1054
1055 static void rga_win_check(struct rk_lcdc_win *dst_win,
1056                           struct rk_lcdc_win *src_win)
1057 {
1058         int format = 0;
1059
1060         format = get_rga_format(src_win->area[0].format);
1061         /* width and height must be even number */
1062         if (format >= RK_FORMAT_YCbCr_422_SP &&
1063             format <= RK_FORMAT_YCrCb_420_P) {
1064                 if ((src_win->area[0].xact % 2) != 0)
1065                         src_win->area[0].xact += 1;
1066                 if ((src_win->area[0].yact % 2) != 0)
1067                         src_win->area[0].yact += 1;
1068         }
1069         if (src_win->area[0].xvir < src_win->area[0].xact)
1070                 src_win->area[0].xvir = src_win->area[0].xact;
1071         if (src_win->area[0].yvir < src_win->area[0].yact)
1072                 src_win->area[0].yvir = src_win->area[0].yact;
1073
1074         format = get_rga_format(dst_win->area[0].format);
1075         if (format >= RK_FORMAT_YCbCr_422_SP &&
1076             format <= RK_FORMAT_YCrCb_420_P) {
1077                 if ((dst_win->area[0].xact % 2) != 0)
1078                         dst_win->area[0].xact += 1;
1079                 if ((dst_win->area[0].yact % 2) != 0)
1080                         dst_win->area[0].yact += 1;
1081         }
1082         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1083                 dst_win->area[0].xvir = dst_win->area[0].xact;
1084         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1085                 dst_win->area[0].yvir = dst_win->area[0].yact;
1086 }
1087
1088 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1089                             struct rk_lcdc_win *src_win,
1090                             u16 orientation, int iommu_en)
1091 {
1092         struct rga_req Rga_Request;
1093         long ret = 0;
1094         /* int fd = 0; */
1095
1096         memset(&Rga_Request, 0, sizeof(Rga_Request));
1097         rga_win_check(dst_win, src_win);
1098
1099         switch (orientation) {
1100         case ROTATE_90:
1101                 Rga_Request.rotate_mode = 1;
1102                 Rga_Request.sina = 65536;
1103                 Rga_Request.cosa = 0;
1104                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1105                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1106                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1107                 Rga_Request.dst.y_offset = 0;
1108                 break;
1109         case ROTATE_180:
1110                 Rga_Request.rotate_mode = 1;
1111                 Rga_Request.sina = 0;
1112                 Rga_Request.cosa = -65536;
1113                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1114                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1115                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1116                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1117                 break;
1118         case ROTATE_270:
1119                 Rga_Request.rotate_mode = 1;
1120                 Rga_Request.sina = -65536;
1121                 Rga_Request.cosa = 0;
1122                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1123                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1124                 Rga_Request.dst.x_offset = 0;
1125                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1126                 break;
1127         default:
1128                 Rga_Request.rotate_mode = 0;
1129                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1130                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1131                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1132                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1133                 break;
1134         }
1135
1136 /*
1137         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1138         Rga_Request.src.yrgb_addr = fd;
1139         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1140         Rga_Request.dst.yrgb_addr = fd;
1141 */
1142         Rga_Request.src.yrgb_addr = 0;
1143         Rga_Request.src.uv_addr =
1144             src_win->area[0].smem_start + src_win->area[0].y_offset;
1145         Rga_Request.src.v_addr = 0;
1146
1147         Rga_Request.dst.yrgb_addr = 0;
1148         Rga_Request.dst.uv_addr =
1149             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1150         Rga_Request.dst.v_addr = 0;
1151
1152         Rga_Request.src.vir_w = src_win->area[0].xvir;
1153         Rga_Request.src.vir_h = src_win->area[0].yvir;
1154         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1155         Rga_Request.src.act_w = src_win->area[0].xact;
1156         Rga_Request.src.act_h = src_win->area[0].yact;
1157         Rga_Request.src.x_offset = 0;
1158         Rga_Request.src.y_offset = 0;
1159
1160         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1161         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1162         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1163
1164         Rga_Request.clip.xmin = 0;
1165         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1166         Rga_Request.clip.ymin = 0;
1167         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1168         Rga_Request.scale_mode = 0;
1169 #if defined(CONFIG_ROCKCHIP_IOMMU)
1170         if (iommu_en) {
1171                 Rga_Request.mmu_info.mmu_en = 1;
1172                 Rga_Request.mmu_info.mmu_flag = 1;
1173         } else {
1174                 Rga_Request.mmu_info.mmu_en = 0;
1175                 Rga_Request.mmu_info.mmu_flag = 0;
1176         }
1177 #else
1178         Rga_Request.mmu_info.mmu_en = 0;
1179         Rga_Request.mmu_info.mmu_flag = 0;
1180 #endif
1181
1182         ret = rga_ioctl_kernel(&Rga_Request);
1183 }
1184
1185 /*
1186  * This function is used for copying fb by RGA Module
1187  * RGA only support copy RGB to RGB
1188  * RGA2 support copy RGB to RGB and YUV to YUV
1189  */
1190 static void fb_copy_by_rga(struct fb_info *dst_info,
1191                                 struct fb_info *src_info)
1192 {
1193         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1194         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1195         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1196         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1197         int win_id = 0, ext_win_id;
1198         struct rk_lcdc_win *src_win, *dst_win;
1199
1200         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1201         src_win = dev_drv->win[win_id];
1202
1203         ext_win_id =
1204             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1205         dst_win = ext_dev_drv->win[ext_win_id];
1206
1207         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1208                         ext_dev_drv->iommu_enabled);
1209 }
1210 #endif
1211
1212 static int rk_fb_rotate(struct fb_info *dst_info,
1213                           struct fb_info *src_info)
1214 {
1215
1216 #if defined(CONFIG_RK29_IPP)
1217         fb_copy_by_ipp(dst_info, src_info);
1218 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1219         fb_copy_by_rga(dst_info, src_info);
1220 #else
1221         return -1;
1222 #endif
1223         return 0;
1224 }
1225
1226 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1227                                             struct rk_lcdc_win *src_win,
1228                                             u16 rotate, int iommu_en)
1229 {
1230 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1231         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1232 #else
1233         return -1;
1234 #endif
1235         return 0;
1236 }
1237
1238 #endif
1239
1240 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1241                              struct fb_info *info)
1242 {
1243         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1244         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1245         struct fb_fix_screeninfo *fix = &info->fix;
1246         int win_id = 0;
1247         struct rk_lcdc_win *win = NULL;
1248         struct rk_screen *screen = dev_drv->cur_screen;
1249         u32 xoffset = var->xoffset;
1250         u32 yoffset = var->yoffset;
1251         u32 xvir = var->xres_virtual;
1252         u8 pixel_width;
1253         u32 vir_width_bit;
1254         u32 stride, uv_stride;
1255         u32 stride_32bit_1;
1256         u32 stride_32bit_2;
1257         u16 uv_x_off, uv_y_off, uv_y_act;
1258         u8 is_pic_yuv = 0;
1259
1260         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1261         if (win_id < 0)
1262                 return -ENODEV;
1263         else
1264                 win = dev_drv->win[win_id];
1265
1266         pixel_width = rk_fb_pixel_width(win->area[0].format);
1267         vir_width_bit = pixel_width * xvir;
1268         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1269         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1270
1271         switch (win->area[0].format) {
1272         case YUV422:
1273         case YUV422_A:
1274                 is_pic_yuv = 1;
1275                 stride = stride_32bit_1;
1276                 uv_stride = stride_32bit_1 >> 1;
1277                 uv_x_off = xoffset >> 1;
1278                 uv_y_off = yoffset;
1279                 fix->line_length = stride;
1280                 uv_y_act = win->area[0].yact >> 1;
1281                 break;
1282         case YUV420:            /* 420sp */
1283         case YUV420_A:
1284                 is_pic_yuv = 1;
1285                 stride = stride_32bit_1;
1286                 uv_stride = stride_32bit_1;
1287                 uv_x_off = xoffset;
1288                 uv_y_off = yoffset >> 1;
1289                 fix->line_length = stride;
1290                 uv_y_act = win->area[0].yact >> 1;
1291                 break;
1292         case YUV444:
1293         case YUV444_A:
1294                 is_pic_yuv = 1;
1295                 stride = stride_32bit_1;
1296                 uv_stride = stride_32bit_2;
1297                 uv_x_off = xoffset * 2;
1298                 uv_y_off = yoffset;
1299                 fix->line_length = stride << 2;
1300                 uv_y_act = win->area[0].yact;
1301                 break;
1302         default:
1303                 stride = stride_32bit_1;        /* default rgb */
1304                 fix->line_length = stride;
1305                 break;
1306         }
1307
1308         /* x y mirror ,jump line */
1309         if ((screen->y_mirror == 1) ||
1310             (win->mirror_en == 1)) {
1311                 if (screen->interlace == 1) {
1312                         win->area[0].y_offset = yoffset * stride * 2 +
1313                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1314                             xoffset * pixel_width / 8;
1315                 } else {
1316                         win->area[0].y_offset = yoffset * stride +
1317                             (win->area[0].yact - 1) * stride +
1318                             xoffset * pixel_width / 8;
1319                 }
1320         } else {
1321                 if (screen->interlace == 1) {
1322                         win->area[0].y_offset =
1323                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1324                 } else {
1325                         win->area[0].y_offset =
1326                             yoffset * stride + xoffset * pixel_width / 8;
1327                 }
1328         }
1329         if (is_pic_yuv == 1) {
1330                 if ((screen->y_mirror == 1) ||
1331                     (win->mirror_en == 1)) {
1332                         if (screen->interlace == 1) {
1333                                 win->area[0].c_offset =
1334                                     uv_y_off * uv_stride * 2 +
1335                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1336                                     uv_x_off * pixel_width / 8;
1337                         } else {
1338                                 win->area[0].c_offset = uv_y_off * uv_stride +
1339                                     (uv_y_act - 1) * uv_stride +
1340                                     uv_x_off * pixel_width / 8;
1341                         }
1342                 } else {
1343                         if (screen->interlace == 1) {
1344                                 win->area[0].c_offset =
1345                                     uv_y_off * uv_stride * 2 +
1346                                     uv_x_off * pixel_width / 8;
1347                         } else {
1348                                 win->area[0].c_offset =
1349                                     uv_y_off * uv_stride +
1350                                     uv_x_off * pixel_width / 8;
1351                         }
1352                 }
1353         }
1354
1355         win->area[0].smem_start = fix->smem_start;
1356         win->area[0].cbr_start = fix->mmio_start;
1357         win->area[0].state = 1;
1358         win->area_num = 1;
1359
1360         dev_drv->ops->pan_display(dev_drv, win_id);
1361
1362 #ifdef  CONFIG_FB_MIRRORING
1363         if (video_data_to_mirroring)
1364                 video_data_to_mirroring(info, NULL);
1365 #endif
1366         dev_drv->ops->cfg_done(dev_drv);
1367
1368         return 0;
1369 }
1370
1371 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1372 {
1373         int i, j;
1374
1375         i = list_empty(&dev_drv->update_regs_list);
1376         j = list_empty(&dev_drv->saved_list);
1377         return i == j ? 0 : 1;
1378 }
1379
1380 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1381 {
1382         int err = sync_fence_wait(fence, 1000);
1383
1384         if (err >= 0)
1385                 return;
1386
1387         if (err == -ETIME)
1388                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1389
1390         if (err < 0)
1391                 printk("error waiting on fence\n");
1392 }
1393 #if 0
1394 static int rk_fb_copy_from_loader(struct fb_info *info)
1395 {
1396         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1397         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1398         void *dst = info->screen_base;
1399         u32 dsp_addr[4];
1400         u32 src;
1401         u32 i,size;
1402         int win_id;
1403         struct rk_lcdc_win *win;
1404
1405         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1406         win = dev_drv->win[win_id];
1407         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1408         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1409         src = dsp_addr[win_id];
1410         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1411                  win->area[0].xact, win->area[0].yact, src);
1412         for (i = 0; i < size; i += PAGE_SIZE) {
1413                 void *page = phys_to_page(i + src);
1414                 void *from_virt = kmap(page);
1415                 void *to_virt = dst + i;
1416                 memcpy(to_virt, from_virt, PAGE_SIZE);
1417         }
1418         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1419                                       info->fix.smem_start);
1420         return 0;
1421 }
1422 #endif
1423 #ifdef CONFIG_ROCKCHIP_IOMMU
1424 static int g_last_addr[4];
1425 int g_last_timeout;
1426 u32 freed_addr[10];
1427 u32 freed_index;
1428
1429 #define DUMP_CHUNK 256
1430 char buf[PAGE_SIZE];
1431
1432 int rk_fb_sysmmu_fault_handler(struct device *dev,
1433                                enum rk_iommu_inttype itype,
1434                                unsigned long pgtable_base,
1435                                unsigned long fault_addr, unsigned int status)
1436 {
1437         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1438         int i = 0;
1439         static int page_fault_cnt;
1440         if ((page_fault_cnt++) >= 10)
1441                 return 0;
1442         pr_err
1443             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1444              fault_addr, pgtable_base, status);
1445         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1446                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1447                g_last_addr[2], g_last_addr[3]);
1448         printk("last freed buffer:\n");
1449         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1450                 printk("%d:0x%08x\n", i, freed_addr[i]);
1451         printk("last timeout:%d\n", g_last_timeout);
1452         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1453         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1454                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1455                         char c = buf[i + DUMP_CHUNK];
1456                         buf[i + DUMP_CHUNK] = 0;
1457                         pr_cont("%s", buf + i);
1458                         buf[i + DUMP_CHUNK] = c;
1459                 } else {
1460                         buf[PAGE_SIZE - 1] = 0;
1461                         pr_cont("%s", buf + i);
1462                 }
1463         }
1464
1465         return 0;
1466 }
1467 #endif
1468
1469 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1470                         struct rk_fb_reg_win_data *reg_win_data)
1471 {
1472         int i, index_buf;
1473         struct rk_fb_reg_area_data *area_data;
1474         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1475
1476         for (i = 0; i < reg_win_data->area_num; i++) {
1477                 area_data = &reg_win_data->reg_area_data[i];
1478                 index_buf = area_data->index_buf;
1479 #if defined(CONFIG_ROCKCHIP_IOMMU)
1480                 if (dev_drv->iommu_enabled) {
1481                         if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1482                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1483                                                 area_data->ion_handle);
1484                         freed_addr[freed_index++] = area_data->smem_start;
1485                 }
1486 #endif
1487                 if (area_data->ion_handle != NULL)
1488                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1489
1490                 if (area_data->acq_fence)
1491                         sync_fence_put(area_data->acq_fence);
1492         }
1493         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1494 }
1495
1496 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1497                                 struct rk_lcdc_win *win,
1498                                 struct rk_fb_reg_win_data *reg_win_data)
1499 {
1500         int i = 0;
1501         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1502         struct rk_screen *cur_screen;
1503         struct rk_screen primary_screen;
1504
1505         if (unlikely(!inf) || unlikely(!dev_drv) ||
1506             unlikely(!win) || unlikely(!reg_win_data))
1507                 return;
1508
1509         cur_screen = dev_drv->cur_screen;
1510         rk_fb_get_prmry_screen(&primary_screen);
1511
1512         win->area_num = reg_win_data->area_num;
1513         win->id = reg_win_data->win_id;
1514         win->z_order = reg_win_data->z_order;
1515
1516         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1517                 win->state = 1;
1518                 win->area_num = reg_win_data->area_num;
1519                 win->id = reg_win_data->win_id;
1520                 win->z_order = reg_win_data->z_order;
1521                 win->area[0].uv_vir_stride =
1522                     reg_win_data->reg_area_data[0].uv_vir_stride;
1523                 win->area[0].cbr_start =
1524                     reg_win_data->reg_area_data[0].cbr_start;
1525                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1526                 win->alpha_en = reg_win_data->alpha_en;
1527                 win->alpha_mode = reg_win_data->alpha_mode;
1528                 win->g_alpha_val = reg_win_data->g_alpha_val;
1529                 win->mirror_en = reg_win_data->mirror_en;
1530                 win->area[0].fbdc_en =
1531                         reg_win_data->reg_area_data[0].fbdc_en;
1532                 win->area[0].fbdc_cor_en =
1533                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1534                 win->area[0].fbdc_data_format =
1535                         reg_win_data->reg_area_data[0].fbdc_data_format;
1536                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1537                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1538                                 win->area[i].format =
1539                                         reg_win_data->reg_area_data[i].data_format;
1540                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1541                                         win->area[i].ion_hdl =
1542                                         reg_win_data->reg_area_data[i].ion_handle;
1543                                 win->area[i].smem_start =
1544                                         reg_win_data->reg_area_data[i].smem_start;
1545                                 if (inf->disp_mode == DUAL ||
1546                                     inf->disp_mode == NO_DUAL ||
1547                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1548                                         win->area[i].xpos =
1549                                                 reg_win_data->reg_area_data[i].xpos;
1550                                         win->area[i].ypos =
1551                                                 reg_win_data->reg_area_data[i].ypos;
1552                                         win->area[i].xsize =
1553                                                 reg_win_data->reg_area_data[i].xsize;
1554                                         win->area[i].ysize =
1555                                                 reg_win_data->reg_area_data[i].ysize;
1556                                 } else {
1557                                         win->area[i].xpos =
1558                                                 reg_win_data->reg_area_data[i].xpos *
1559                                                 cur_screen->mode.xres /
1560                                                 primary_screen.mode.xres;
1561                                         win->area[i].ypos =
1562                                                 reg_win_data->reg_area_data[i].ypos *
1563                                                 cur_screen->mode.yres /
1564                                                 primary_screen.mode.yres;
1565                                         win->area[i].xsize =
1566                                                 reg_win_data->reg_area_data[i].xsize *
1567                                                 cur_screen->mode.xres /
1568                                                 primary_screen.mode.xres;
1569                                         win->area[i].ysize =
1570                                                 reg_win_data->reg_area_data[i].ysize *
1571                                                 cur_screen->mode.yres /
1572                                                 primary_screen.mode.yres;
1573
1574                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1575                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1576                                                 if (cur_screen->xsize > 0 &&
1577                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1578                                                         win->area[i].xpos =
1579                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1580                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1581                                                         win->area[i].xsize =
1582                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1583                                                 }
1584                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1585                                                         win->area[i].ypos =
1586                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1587                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1588                                                         win->area[i].ysize =
1589                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1590                                                 }
1591                                         }
1592                                 }
1593                                 win->area[i].xact =
1594                                     reg_win_data->reg_area_data[i].xact;
1595                                 win->area[i].yact =
1596                                     reg_win_data->reg_area_data[i].yact;
1597                                 win->area[i].xvir =
1598                                     reg_win_data->reg_area_data[i].xvir;
1599                                 win->area[i].yvir =
1600                                     reg_win_data->reg_area_data[i].yvir;
1601                                 win->area[i].xoff =
1602                                     reg_win_data->reg_area_data[i].xoff;
1603                                 win->area[i].yoff =
1604                                     reg_win_data->reg_area_data[i].yoff;
1605                                 win->area[i].y_offset =
1606                                     reg_win_data->reg_area_data[i].y_offset;
1607                                 win->area[i].y_vir_stride =
1608                                     reg_win_data->reg_area_data[i].y_vir_stride;
1609                                 win->area[i].state = 1;
1610                         } else {
1611                                 win->area[i].state = 0;
1612                         }
1613                 }
1614         } else {
1615         /*
1616                 win->state = 0;
1617                 win->z_order = -1;
1618         */
1619         }
1620 }
1621
1622 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1623                                                      *regs, int win_id)
1624 {
1625         int i;
1626         struct rk_fb_reg_win_data *win_data = NULL;
1627         for (i = 0; i < regs->win_num; i++) {
1628                 if (regs->reg_win_data[i].win_id == win_id) {
1629                         win_data = &(regs->reg_win_data[i]);
1630                         break;
1631                 }
1632         }
1633
1634         return win_data;
1635 }
1636
1637 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1638                              struct rk_fb_reg_data *regs)
1639 {
1640         int i, j;
1641         struct rk_lcdc_win *win;
1642         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1643         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1644         struct rk_fb_reg_win_data *win_data;
1645         bool wait_for_vsync;
1646         int count = 100;
1647         unsigned int dsp_addr[4];
1648         long timeout;
1649
1650         /* acq_fence wait */
1651         for (i = 0; i < regs->win_num; i++) {
1652                 win_data = &regs->reg_win_data[i];
1653                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1654                         if (win_data->reg_area_data[j].acq_fence) {
1655                                 /* printk("acq_fence wait!!!!!\n"); */
1656                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1657                         }
1658                 }
1659         }
1660
1661         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1662                 win = dev_drv->win[i];
1663                 win_data = rk_fb_get_win_data(regs, i);
1664                 if (win_data) {
1665                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1666                             (win_data->reg_area_data[0].data_format == YUV420 ||
1667                              win_data->reg_area_data[0].data_format == YUV420_A))
1668                                 continue;
1669                         mutex_lock(&dev_drv->win_config);
1670                         rk_fb_update_win(dev_drv, win, win_data);
1671                         win->state = 1;
1672                         dev_drv->ops->set_par(dev_drv, i);
1673                         dev_drv->ops->pan_display(dev_drv, i);
1674                         mutex_unlock(&dev_drv->win_config);
1675 #if defined(CONFIG_ROCKCHIP_IOMMU)
1676                         if (dev_drv->iommu_enabled) {
1677                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1678                                         win_data->reg_area_data[0].y_offset;
1679                         }
1680 #endif
1681                 } else {
1682                         win->z_order = -1;
1683                         win->state = 0;
1684                 }
1685         }
1686         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1687         dev_drv->ops->cfg_done(dev_drv);
1688
1689         do {
1690                 timestamp = dev_drv->vsync_info.timestamp;
1691                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1692                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1693                                 msecs_to_jiffies(25));
1694
1695                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1696                 wait_for_vsync = false;
1697                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1698                         if (dev_drv->win[i]->state == 1) {
1699                                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1700                                     (!strcmp(dev_drv->win[i]->name, "hwc"))) {
1701                                         continue;
1702                                 } else {
1703                                         u32 new_start =
1704                                             dev_drv->win[i]->area[0].smem_start +
1705                                             dev_drv->win[i]->area[0].y_offset;
1706                                         u32 reg_start = dsp_addr[i];
1707
1708                                         if ((rk_fb->disp_policy ==
1709                                              DISPLAY_POLICY_BOX) &&
1710                                             (dev_drv->suspend_flag))
1711                                                 continue;
1712                                         if (unlikely(new_start != reg_start)) {
1713                                                 wait_for_vsync = true;
1714                                                 dev_info(dev_drv->dev,
1715                                                        "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1716                                                        i, new_start, reg_start, 101 - count);
1717                                                 break;
1718                                         }
1719                                 }
1720                         }
1721                 }
1722         } while (wait_for_vsync && count--);
1723 #ifdef H_USE_FENCE
1724         sw_sync_timeline_inc(dev_drv->timeline, 1);
1725 #endif
1726         if (dev_drv->front_regs) {
1727 #if defined(CONFIG_ROCKCHIP_IOMMU)
1728                 if (dev_drv->iommu_enabled) {
1729                         if (dev_drv->ops->mmu_en)
1730                                 dev_drv->ops->mmu_en(dev_drv);
1731                         freed_index = 0;
1732                         g_last_timeout = timeout;
1733                 }
1734 #endif
1735
1736                 mutex_lock(&dev_drv->front_lock);
1737
1738                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1739                         win_data = &dev_drv->front_regs->reg_win_data[i];
1740                         rk_fb_free_dma_buf(dev_drv, win_data);
1741                 }
1742                 kfree(dev_drv->front_regs);
1743
1744                 mutex_unlock(&dev_drv->front_lock);
1745
1746 #if defined(CONFIG_ROCKCHIP_IOMMU)
1747                 if (dev_drv->iommu_enabled)
1748                         freed_addr[freed_index] = 0xfefefefe;
1749 #endif
1750         }
1751
1752         mutex_lock(&dev_drv->front_lock);
1753
1754         dev_drv->front_regs = regs;
1755
1756         mutex_unlock(&dev_drv->front_lock);
1757 }
1758
1759 static void rk_fb_update_regs_handler(struct kthread_work *work)
1760 {
1761         struct rk_lcdc_driver *dev_drv =
1762             container_of(work, struct rk_lcdc_driver, update_regs_work);
1763         struct rk_fb_reg_data *data, *next;
1764
1765         mutex_lock(&dev_drv->update_regs_list_lock);
1766         dev_drv->saved_list = dev_drv->update_regs_list;
1767         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1768         mutex_unlock(&dev_drv->update_regs_list_lock);
1769
1770         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1771                 rk_fb_update_reg(dev_drv, data);
1772                 list_del(&data->list);
1773         }
1774
1775         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1776                 wake_up(&dev_drv->update_regs_wait);
1777 }
1778
1779 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1780                                   struct rk_screen *screen)
1781 {
1782         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1783             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1784             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1785                 pr_err("check config var fail 0:\n"
1786                        "x_offset=%d,xact=%d,xvir=%d\n",
1787                        area_par->x_offset, area_par->xact, area_par->xvir);
1788                 return -EINVAL;
1789         }
1790
1791         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1792             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1793             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1794                 pr_warn("check config var fail 1:\n"
1795                        "xpos=%d,xsize=%d,xres=%d\n"
1796                        "ypos=%d,ysize=%d,yres=%d\n",
1797                        area_par->xpos, area_par->xsize, screen->mode.xres,
1798                        area_par->ypos, area_par->ysize, screen->mode.yres);
1799                 return -EINVAL;
1800         }
1801         return 0;
1802 }
1803
1804 static int rk_fb_set_win_buffer(struct fb_info *info,
1805                                 struct rk_fb_win_par *win_par,
1806                                 struct rk_fb_reg_win_data *reg_win_data)
1807 {
1808         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1809         struct fb_fix_screeninfo *fix = &info->fix;
1810         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1811         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1812         /*if hdmi size move to hwc,screen should point to cur_screen*/
1813         struct rk_screen *screen = dev_drv->screen0;/*cur_screen;*/
1814         struct fb_info *fbi;
1815         int i, ion_fd, acq_fence_fd;
1816         u32 xvir, yvir;
1817         u32 xoffset, yoffset;
1818
1819         struct ion_handle *hdl;
1820         size_t len;
1821         int index_buf;
1822         u8 fb_data_fmt;
1823         u8 pixel_width;
1824         u32 vir_width_bit;
1825         u32 stride, uv_stride;
1826         u32 stride_32bit_1;
1827         u32 stride_32bit_2;
1828         u16 uv_x_off, uv_y_off, uv_y_act;
1829         u8 is_pic_yuv = 0;
1830         u8 ppixel_a = 0, global_a = 0;
1831         ion_phys_addr_t phy_addr;
1832         int ret = 0;
1833
1834         reg_win_data->reg_area_data[0].smem_start = -1;
1835         reg_win_data->area_num = 0;
1836         fbi = rk_fb->fb[reg_win_data->win_id];
1837         if (win_par->area_par[0].phy_addr == 0) {
1838                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1839                         ion_fd = win_par->area_par[i].ion_fd;
1840                         if (ion_fd > 0) {
1841                                 hdl =
1842                                     ion_import_dma_buf(rk_fb->ion_client,
1843                                                        ion_fd);
1844                                 if (IS_ERR(hdl)) {
1845                                         pr_info("%s: Could not import handle:"
1846                                                 " %ld\n", __func__, (long)hdl);
1847                                         /*return -EINVAL; */
1848                                         break;
1849                                 }
1850                                 reg_win_data->area_num++;
1851                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1852 #ifndef CONFIG_ROCKCHIP_IOMMU
1853                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1854                                                 &len);
1855 #else
1856                                 if (dev_drv->iommu_enabled)
1857                                         ret = ion_map_iommu(dev_drv->dev,
1858                                                                 rk_fb->ion_client,
1859                                                                 hdl,
1860                                                                 (unsigned long *)&phy_addr,
1861                                                                 (unsigned long *)&len);
1862                                 else
1863                                         ret = ion_phys(rk_fb->ion_client, hdl,
1864                                                         &phy_addr, &len);
1865 #endif
1866                                 if (ret < 0) {
1867                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1868                                         ion_free(rk_fb->ion_client, hdl);
1869                                         return -ENOMEM;
1870                                 }
1871                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1872                                 reg_win_data->area_buf_num++;
1873                                 reg_win_data->reg_area_data[i].index_buf = 1;
1874                         }
1875                 }
1876         } else {
1877                 reg_win_data->reg_area_data[0].smem_start =
1878                     win_par->area_par[0].phy_addr;
1879                 reg_win_data->area_num = 1;
1880                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1881         }
1882
1883         if (reg_win_data->area_num == 0)
1884                 return 0;
1885
1886         for (i = 0; i < reg_win_data->area_num; i++) {
1887                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1888                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1889                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1890                         reg_win_data->reg_area_data[i].acq_fence =
1891                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1892                 }
1893         }
1894         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1895                 reg_win_data->z_order = win_par->z_order;
1896                 reg_win_data->win_id = win_par->win_id;
1897         } else {
1898                 reg_win_data->z_order = -1;
1899                 reg_win_data->win_id = -1;
1900         }
1901
1902         reg_win_data->mirror_en = win_par->mirror_en;
1903         for (i = 0; i < reg_win_data->area_num; i++) {
1904                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1905
1906                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1907                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1908                 if (fb_data_fmt >= FBDC_RGB_565) {
1909                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1910                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1911                 } else {
1912                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1913                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1914                 }
1915                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1916
1917                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1918                              (fb_data_fmt == FBDC_ARGB_888) ||
1919                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1920                 /* visiable pos in panel */
1921                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1922                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1923
1924                 /* realy size in panel */
1925                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1926                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1927
1928                 /* realy size in panel */
1929                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1930                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1931
1932                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1933                 yoffset = win_par->area_par[i].y_offset;
1934                 reg_win_data->reg_area_data[i].xoff = xoffset;
1935                 reg_win_data->reg_area_data[i].yoff = yoffset;
1936
1937                 xvir = win_par->area_par[i].xvir;
1938                 reg_win_data->reg_area_data[i].xvir = xvir;
1939                 yvir = win_par->area_par[i].yvir;
1940                 reg_win_data->reg_area_data[i].yvir = yvir;
1941
1942                 vir_width_bit = pixel_width * xvir;
1943                 /* pixel_width = byte_num*8 */
1944                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1945                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1946
1947                 stride = stride_32bit_1;        /* default rgb */
1948                 fix->line_length = stride;
1949                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1950
1951                 /* x y mirror ,jump line
1952                  * reg_win_data->reg_area_data[i].y_offset =
1953                  *              yoffset*stride+xoffset*pixel_width/8;
1954                  */
1955                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1956                         if (screen->interlace == 1) {
1957                                 reg_win_data->reg_area_data[i].y_offset =
1958                                     yoffset * stride * 2 +
1959                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1960                                     xoffset * pixel_width / 8;
1961                         } else {
1962                                 reg_win_data->reg_area_data[i].y_offset =
1963                                     yoffset * stride +
1964                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1965                                     xoffset * pixel_width / 8;
1966                         }
1967                 } else {
1968                         if (screen->interlace == 1) {
1969                                 reg_win_data->reg_area_data[i].y_offset =
1970                                     yoffset * stride * 2 +
1971                                     xoffset * pixel_width / 8;
1972                         } else {
1973                                 reg_win_data->reg_area_data[i].y_offset =
1974                                     yoffset * stride +
1975                                     xoffset * pixel_width / 8;
1976                         }
1977                 }
1978         }
1979
1980         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1981         reg_win_data->alpha_en = ppixel_a | global_a;
1982         reg_win_data->g_alpha_val = win_par->g_alpha_val;
1983         reg_win_data->alpha_mode = win_par->alpha_mode;
1984
1985         switch (fb_data_fmt) {
1986         case YUV422:
1987         case YUV422_A:
1988                 is_pic_yuv = 1;
1989                 stride = stride_32bit_1;
1990                 uv_stride = stride_32bit_1 >> 1;
1991                 uv_x_off = xoffset >> 1;
1992                 uv_y_off = yoffset;
1993                 fix->line_length = stride;
1994                 uv_y_act = win_par->area_par[0].yact >> 1;
1995                 break;
1996         case YUV420:            /* 420sp */
1997         case YUV420_A:
1998                 is_pic_yuv = 1;
1999                 stride = stride_32bit_1;
2000                 uv_stride = stride_32bit_1;
2001                 uv_x_off = xoffset;
2002                 uv_y_off = yoffset >> 1;
2003                 fix->line_length = stride;
2004                 uv_y_act = win_par->area_par[0].yact >> 1;
2005                 break;
2006         case YUV444:
2007         case YUV444_A:
2008                 is_pic_yuv = 1;
2009                 stride = stride_32bit_1;
2010                 uv_stride = stride_32bit_2;
2011                 uv_x_off = xoffset * 2;
2012                 uv_y_off = yoffset;
2013                 fix->line_length = stride << 2;
2014                 uv_y_act = win_par->area_par[0].yact;
2015                 break;
2016         default:
2017                 break;
2018         }
2019         if (is_pic_yuv == 1) {
2020                 reg_win_data->reg_area_data[0].cbr_start =
2021                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2022                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2023                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2024                         if (screen->interlace == 1) {
2025                                 reg_win_data->reg_area_data[0].c_offset =
2026                                     uv_y_off * uv_stride * 2 +
2027                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2028                                     uv_x_off * pixel_width / 8;
2029                         } else {
2030                                 reg_win_data->reg_area_data[0].c_offset =
2031                                     uv_y_off * uv_stride +
2032                                     (uv_y_act - 1) * uv_stride +
2033                                     uv_x_off * pixel_width / 8;
2034                         }
2035                 } else {
2036                         if (screen->interlace == 1) {
2037                                 reg_win_data->reg_area_data[0].c_offset =
2038                                     uv_y_off * uv_stride * 2 +
2039                                     uv_x_off * pixel_width / 8;
2040                         } else {
2041                                 reg_win_data->reg_area_data[0].c_offset =
2042                                     uv_y_off * uv_stride +
2043                                     uv_x_off * pixel_width / 8;
2044                         }
2045                 }
2046         }
2047
2048         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2049          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2050          */
2051         info->var.yoffset = yoffset;
2052         info->var.xoffset = xoffset;
2053         return 0;
2054 }
2055
2056 static int rk_fb_set_win_config(struct fb_info *info,
2057                                 struct rk_fb_win_cfg_data *win_data)
2058 {
2059         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2060         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2061         struct rk_fb_reg_data *regs;
2062 #ifdef H_USE_FENCE
2063         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2064         struct sync_fence *retire_fence;
2065         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2066         struct sync_pt *retire_sync_pt;
2067         char fence_name[20];
2068 #endif
2069         int ret = 0, i, j = 0;
2070         int list_is_empty = 0;
2071
2072         if (dev_drv->suspend_flag) {
2073                 dev_drv->timeline_max++;
2074                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2075                 return 0;
2076         }
2077
2078         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2079         if (!regs) {
2080                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2081                 ret = -ENOMEM;
2082                 return ret;
2083         }
2084
2085 /*
2086         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2087         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2088         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2089         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2090 */
2091
2092         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2093                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2094                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2095                                                         &regs->reg_win_data[j]))
2096                                 return -ENOMEM;
2097                         if (regs->reg_win_data[j].area_num > 0) {
2098                                 regs->win_num++;
2099                                 regs->buf_num +=
2100                                     regs->reg_win_data[j].area_buf_num;
2101                         }
2102                         j++;
2103                 } else {
2104                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2105                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2106                                win_data->win_par[i].win_id);
2107                 }
2108         }
2109
2110         mutex_lock(&dev_drv->output_lock);
2111
2112         dev_drv->timeline_max++;
2113 #ifdef H_USE_FENCE
2114         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2115                 if (i < regs->buf_num) {
2116                         sprintf(fence_name, "fence%d", i);
2117                         win_data->rel_fence_fd[i] = get_unused_fd();
2118                         if (win_data->rel_fence_fd[i] < 0) {
2119                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2120                                        win_data->rel_fence_fd[i]);
2121                                 ret = -EFAULT;
2122                                 goto err;
2123                         }
2124                         release_sync_pt[i] =
2125                             sw_sync_pt_create(dev_drv->timeline,
2126                                               dev_drv->timeline_max);
2127                         release_fence[i] =
2128                             sync_fence_create(fence_name, release_sync_pt[i]);
2129                         sync_fence_install(release_fence[i],
2130                                            win_data->rel_fence_fd[i]);
2131                 } else {
2132                         win_data->rel_fence_fd[i] = -1;
2133                 }
2134         }
2135
2136         win_data->ret_fence_fd = get_unused_fd();
2137         if (win_data->ret_fence_fd < 0) {
2138                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2139                 win_data->ret_fence_fd = -1;
2140                 ret = -EFAULT;
2141                 goto err;
2142         }
2143         retire_sync_pt =
2144             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2145         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2146         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2147 #else
2148         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2149                 win_data->rel_fence_fd[i] = -1;
2150
2151         win_data->ret_fence_fd = -1;
2152 #endif
2153         if (dev_drv->wait_fs == 0) {
2154                 mutex_lock(&dev_drv->update_regs_list_lock);
2155                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2156                 mutex_unlock(&dev_drv->update_regs_list_lock);
2157                 queue_kthread_work(&dev_drv->update_regs_worker,
2158                                    &dev_drv->update_regs_work);
2159         } else {
2160                 mutex_lock(&dev_drv->update_regs_list_lock);
2161                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2162                                         list_empty(&dev_drv->saved_list);
2163                 mutex_unlock(&dev_drv->update_regs_list_lock);
2164                 if (!list_is_empty) {
2165                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2166                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2167                                 msecs_to_jiffies(60));
2168                         if (ret > 0)
2169                                 rk_fb_update_reg(dev_drv, regs);
2170                         else
2171                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2172                 } else if (ret == 0) {
2173                         rk_fb_update_reg(dev_drv, regs);
2174                 }
2175         }
2176
2177 err:
2178         mutex_unlock(&dev_drv->output_lock);
2179         return ret;
2180 }
2181
2182 #if 1
2183 static int cfgdone_distlist[10] = { 0 };
2184
2185 static int cfgdone_index;
2186 static int cfgdone_lasttime;
2187
2188 int rk_get_real_fps(int before)
2189 {
2190         struct timespec now;
2191         int dist_curr;
2192         int dist_total = 0;
2193         int dist_count = 0;
2194         int dist_first = 0;
2195
2196         int index = cfgdone_index;
2197         int i = 0, fps = 0;
2198         int total;
2199
2200         if (before > 100)
2201                 before = 100;
2202         if (before < 0)
2203                 before = 0;
2204
2205         getnstimeofday(&now);
2206         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2207                         cfgdone_lasttime;
2208         total = dist_curr;
2209         /*
2210            printk("fps: ");
2211          */
2212         for (i = 0; i < 10; i++) {
2213                 if (--index < 0)
2214                         index = 9;
2215                 total += cfgdone_distlist[index];
2216                 if (i == 0)
2217                         dist_first = cfgdone_distlist[index];
2218                 if (total < (before * 1000)) {
2219                         /*
2220                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2221                          */
2222                         dist_total += cfgdone_distlist[index];
2223                         dist_count++;
2224                 } else {
2225                         break;
2226                 }
2227         }
2228
2229         /*
2230            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2231          */
2232         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2233         dist_total += dist_curr;
2234         dist_count++;
2235
2236         if (dist_total > 0)
2237                 fps = (1000000 * dist_count) / dist_total;
2238         else
2239                 fps = 60;
2240
2241         /*
2242            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2243          */
2244         return fps;
2245 }
2246 EXPORT_SYMBOL(rk_get_real_fps);
2247
2248 #endif
2249 #ifdef CONFIG_ROCKCHIP_IOMMU
2250 #define ION_MAX 10
2251 static struct ion_handle *ion_hanle[ION_MAX];
2252 static struct ion_handle *ion_hwc[1];
2253 #endif
2254 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2255                        unsigned long arg)
2256 {
2257         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2258         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2259         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2260         struct fb_fix_screeninfo *fix = &info->fix;
2261         struct rk_lcdc_win *win;
2262         int enable;     /* enable fb:1 enable;0 disable */
2263         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2264         int num_buf;    /* buffer_number */
2265         int ret;
2266         struct rk_fb_win_cfg_data win_data;
2267         unsigned int dsp_addr[4];
2268         int list_stat;
2269
2270         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2271
2272         void __user *argp = (void __user *)arg;
2273         win = dev_drv->win[win_id];
2274
2275         switch (cmd) {
2276         case RK_FBIOSET_HWC_ADDR:
2277         {
2278                 u32 hwc_phy[1];
2279                 if (copy_from_user(hwc_phy, argp, 4))
2280                         return -EFAULT;
2281 #ifdef CONFIG_ROCKCHIP_IOMMU
2282                 if (!dev_drv->iommu_enabled) {
2283 #endif
2284                         fix->smem_start = hwc_phy[0];
2285 #ifdef CONFIG_ROCKCHIP_IOMMU
2286                 } else {
2287                         int usr_fd;
2288                         struct ion_handle *hdl;
2289                         ion_phys_addr_t phy_addr;
2290                         size_t len;
2291
2292                         usr_fd = hwc_phy[0];
2293                         if (!usr_fd) {
2294                                 fix->smem_start = 0;
2295                                 fix->mmio_start = 0;
2296                                 dev_drv->ops->open(dev_drv, win_id, 0);
2297                                 break;
2298                         }
2299
2300                         if (ion_hwc[0] != 0) {
2301                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2302                                 ion_hwc[0] = 0;
2303                         }
2304
2305                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2306                         if (IS_ERR(hdl)) {
2307                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2308                                         PTR_ERR(hdl));
2309                                 return -EFAULT;
2310                         }
2311
2312                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2313                                                 (unsigned long *)&phy_addr,
2314                                                 (unsigned long *)&len);
2315                         if (ret < 0) {
2316                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2317                                 ion_free(rk_fb->ion_client, hdl);
2318                                 return -ENOMEM;
2319                         }
2320                         fix->smem_start = phy_addr;
2321                         ion_hwc[0] = hdl;
2322                 }
2323 #endif
2324                 break;
2325         }
2326         case RK_FBIOSET_YUV_ADDR:
2327                 {
2328                         u32 yuv_phy[2];
2329
2330                         if (copy_from_user(yuv_phy, argp, 8))
2331                                 return -EFAULT;
2332                         #ifdef CONFIG_ROCKCHIP_IOMMU
2333                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2334                         #endif
2335                                 fix->smem_start = yuv_phy[0];
2336                                 fix->mmio_start = yuv_phy[1];
2337                         #ifdef CONFIG_ROCKCHIP_IOMMU
2338                         } else {
2339                                 int usr_fd, offset, tmp;
2340                                 struct ion_handle *hdl;
2341                                 ion_phys_addr_t phy_addr;
2342                                 size_t len;
2343
2344                                 usr_fd = yuv_phy[0];
2345                                 offset = yuv_phy[1] - yuv_phy[0];
2346                                 if (!usr_fd) {
2347                                         fix->smem_start = 0;
2348                                         fix->mmio_start = 0;
2349                                         break;
2350                                 }
2351
2352                                 if (ion_hanle[ION_MAX - 1] != 0) {
2353                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2354                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2355                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2356                                         ion_hanle[ION_MAX - 1] = 0;
2357                                 }
2358
2359                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2360                                 if (IS_ERR(hdl)) {
2361                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2362                                                 PTR_ERR(hdl));
2363                                         return -EFAULT;
2364                                 }
2365
2366                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2367                                                         (unsigned long *)&phy_addr,
2368                                                         (unsigned long *)&len);
2369                                 if (ret < 0) {
2370                                         dev_err(info->dev, "ion map to get phy addr failed");
2371                                         ion_free(rk_fb->ion_client, hdl);
2372                                         return -ENOMEM;
2373                                 }
2374                                 fix->smem_start = phy_addr;
2375                                 fix->mmio_start = phy_addr + offset;
2376                                 fix->smem_len = len;
2377                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2378
2379                                 ion_hanle[0] = hdl;
2380                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2381                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2382                                 ion_hanle[0] = 0;
2383                         }
2384                         #endif
2385                         break;
2386                 }
2387         case RK_FBIOSET_ENABLE:
2388                 if (copy_from_user(&enable, argp, sizeof(enable)))
2389                         return -EFAULT;
2390                                 if (enable)
2391                                         fb_par->state++;
2392                                 else
2393                                         fb_par->state--;
2394                 dev_drv->ops->open(dev_drv, win_id, enable);
2395                 break;
2396         case RK_FBIOGET_ENABLE:
2397                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2398                 if (copy_to_user(argp, &enable, sizeof(enable)))
2399                         return -EFAULT;
2400                 break;
2401         case RK_FBIOSET_OVERLAY_STA:
2402                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2403                         return -EFAULT;
2404                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2405                 break;
2406         case RK_FBIOGET_OVERLAY_STA:
2407                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2408                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2409                         return -EFAULT;
2410                 break;
2411         case RK_FBIOPUT_NUM_BUFFERS:
2412                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2413                         return -EFAULT;
2414                 dev_drv->num_buf = num_buf;
2415                 break;
2416         case RK_FBIOSET_VSYNC_ENABLE:
2417                 if (copy_from_user(&enable, argp, sizeof(enable)))
2418                         return -EFAULT;
2419                 dev_drv->vsync_info.active = enable;
2420                 break;
2421
2422         case RK_FBIOGET_DSP_ADDR:
2423                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2424                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2425                         return -EFAULT;
2426                 break;
2427         case RK_FBIOGET_LIST_STA:
2428                 list_stat = rk_fb_get_list_stat(dev_drv);
2429                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2430                         return -EFAULT;
2431
2432                 break;
2433         case RK_FBIOGET_IOMMU_STA:
2434                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2435                                  sizeof(dev_drv->iommu_enabled)))
2436                         return -EFAULT;
2437                 break;
2438 #if defined(CONFIG_ION_ROCKCHIP)
2439         case RK_FBIOSET_DMABUF_FD:
2440                 {
2441                         int usr_fd;
2442                         struct ion_handle *hdl;
2443                         ion_phys_addr_t phy_addr;
2444                         size_t len;
2445                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2446                                 return -EFAULT;
2447                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2448                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2449                         fix->smem_start = phy_addr;
2450                         break;
2451                 }
2452         case RK_FBIOGET_DMABUF_FD:
2453                 {
2454                         int fd = -1;
2455
2456                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2457                                 dev_err(info->dev,
2458                                         "get dma_buf fd failed,ion handle is err\n");
2459                                 return PTR_ERR(fb_par->ion_hdl);
2460                         }
2461                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2462                                                   fb_par->ion_hdl);
2463                         if (fd < 0) {
2464                                 dev_err(info->dev,
2465                                         "ion_share_dma_buf_fd failed\n");
2466                                 return fd;
2467                         }
2468                         if (copy_to_user(argp, &fd, sizeof(fd)))
2469                                 return -EFAULT;
2470                         break;
2471                 }
2472 #endif
2473         case RK_FBIOSET_CLEAR_FB:
2474                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2475                 break;
2476         case RK_FBIOSET_CONFIG_DONE:
2477                 {
2478                         int curr = 0;
2479                         struct timespec now;
2480
2481                         getnstimeofday(&now);
2482                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2483                         cfgdone_distlist[cfgdone_index++] =
2484                             curr - cfgdone_lasttime;
2485                         /*
2486                            printk("%d ", curr - cfgdone_lasttime);
2487                          */
2488                         cfgdone_lasttime = curr;
2489                         if (cfgdone_index >= 10)
2490                                 cfgdone_index = 0;
2491                 }
2492                 if (copy_from_user(&win_data,
2493                                    (struct rk_fb_win_cfg_data __user *)argp,
2494                                    sizeof(win_data))) {
2495                         ret = -EFAULT;
2496                         break;
2497                 };
2498
2499                 dev_drv->wait_fs = win_data.wait_fs;
2500                 rk_fb_set_win_config(info, &win_data);
2501
2502                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2503                                  &win_data, sizeof(win_data))) {
2504                         ret = -EFAULT;
2505                         break;
2506                 }
2507                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2508                 break;
2509         default:
2510                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2511                 break;
2512         }
2513
2514         return 0;
2515 }
2516
2517 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2518 {
2519         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2520         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2521         struct fb_fix_screeninfo *fix = &info->fix;
2522         int win_id;
2523 #if defined(CONFIG_RK_HDMI)
2524         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2525 #endif
2526
2527         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2528         if (win_id < 0)
2529                 return -ENODEV;
2530 #if defined(CONFIG_RK_HDMI)
2531         if ((rk_fb->disp_mode == ONE_DUAL) &&
2532             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2533                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2534         } else
2535 #endif
2536         {
2537                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2538         }
2539         return 0;
2540 }
2541
2542 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2543 {
2544         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2545             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2546             ((16 != var->bits_per_pixel) &&
2547             (32 != var->bits_per_pixel) &&
2548             (24 != var->bits_per_pixel))) {
2549                 dev_err(info->dev, "%s check var fail 1:\n"
2550                         "xres_vir:%d>>yres_vir:%d\n"
2551                         "xres:%d>>yres:%d\n"
2552                         "bits_per_pixel:%d\n",
2553                         info->fix.id,
2554                         var->xres_virtual,
2555                         var->yres_virtual,
2556                         var->xres, var->yres, var->bits_per_pixel);
2557                 return -EINVAL;
2558         }
2559
2560         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2561             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2562                 dev_err(info->dev, "%s check_var fail 2:\n"
2563                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2564                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2565                         info->fix.id,
2566                         var->xoffset,
2567                         var->xres,
2568                         var->xres_virtual,
2569                         var->yoffset, var->yres, var->yres_virtual);
2570                 return -EINVAL;
2571         }
2572
2573         return 0;
2574 }
2575
2576 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2577                           size_t count, loff_t *ppos)
2578 {
2579         unsigned long p = *ppos;
2580         u8 *buffer, *dst;
2581         u8 __iomem *src;
2582         int c, cnt = 0, err = 0;
2583         unsigned long total_size;
2584         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2585         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2586         struct rk_lcdc_win *win = NULL;
2587         int win_id = 0;
2588
2589         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2590         if (win_id < 0)
2591                 return -ENODEV;
2592         else
2593                 win = dev_drv->win[win_id];
2594
2595         /* only read the current frame buffer */
2596         if (win->area[0].format == RGB565) {
2597                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2598         } else if (win->area[0].format == YUV420) {
2599                 total_size =
2600                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2601         } else {
2602                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2603         }
2604         if (p >= total_size)
2605                 return 0;
2606
2607         if (count >= total_size)
2608                 count = total_size;
2609
2610         if (count + p > total_size)
2611                 count = total_size - p;
2612
2613         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2614         if (!buffer)
2615                 return -ENOMEM;
2616
2617         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2618
2619         while (count) {
2620                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2621                 dst = buffer;
2622                 fb_memcpy_fromfb(dst, src, c);
2623                 dst += c;
2624                 src += c;
2625
2626                 if (copy_to_user(buf, buffer, c)) {
2627                         err = -EFAULT;
2628                         break;
2629                 }
2630                 *ppos += c;
2631                 buf += c;
2632                 cnt += c;
2633                 count -= c;
2634         }
2635
2636         kfree(buffer);
2637
2638         return (err) ? err : cnt;
2639 }
2640
2641 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2642                            size_t count, loff_t *ppos)
2643 {
2644         unsigned long p = *ppos;
2645         u8 *buffer, *src;
2646         u8 __iomem *dst;
2647         int c, cnt = 0, err = 0;
2648         unsigned long total_size;
2649         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2650         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2651         struct rk_lcdc_win *win = NULL;
2652         int win_id = 0;
2653
2654         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2655         if (win_id < 0)
2656                 return -ENODEV;
2657         else
2658                 win = dev_drv->win[win_id];
2659
2660         /* write the current frame buffer */
2661         if (win->area[0].format == RGB565)
2662                 total_size = win->area[0].xact * win->area[0].yact << 1;
2663         else
2664                 total_size = win->area[0].xact * win->area[0].yact << 2;
2665
2666         if (p > total_size)
2667                 return -EFBIG;
2668
2669         if (count > total_size) {
2670                 err = -EFBIG;
2671                 count = total_size;
2672         }
2673
2674         if (count + p > total_size) {
2675                 if (!err)
2676                         err = -ENOSPC;
2677
2678                 count = total_size - p;
2679         }
2680
2681         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2682         if (!buffer)
2683                 return -ENOMEM;
2684
2685         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2686
2687         while (count) {
2688                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2689                 src = buffer;
2690
2691                 if (copy_from_user(src, buf, c)) {
2692                         err = -EFAULT;
2693                         break;
2694                 }
2695
2696                 fb_memcpy_tofb(dst, src, c);
2697                 dst += c;
2698                 src += c;
2699                 *ppos += c;
2700                 buf += c;
2701                 cnt += c;
2702                 count -= c;
2703         }
2704
2705         kfree(buffer);
2706
2707         return (cnt) ? cnt : err;
2708 }
2709
2710 static int rk_fb_set_par(struct fb_info *info)
2711 {
2712         struct fb_var_screeninfo *var = &info->var;
2713         struct fb_fix_screeninfo *fix = &info->fix;
2714         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2715         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2716         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2717         struct rk_lcdc_win *win = NULL;
2718         struct rk_screen *screen = dev_drv->cur_screen;
2719         int win_id = 0;
2720         u32 cblen = 0, crlen = 0;
2721         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2722         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2723         u32 yoffset = var->yoffset;
2724         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2725         u16 ypos = (var->nonstd >> 20) & 0xfff;
2726         u32 xvir = var->xres_virtual;
2727         u32 yvir = var->yres_virtual;
2728         u8 data_format = var->nonstd & 0xff;
2729         u8 fb_data_fmt;
2730         u8 pixel_width;
2731         u32 vir_width_bit;
2732         u32 stride, uv_stride;
2733         u32 stride_32bit_1;
2734         u32 stride_32bit_2;
2735         u16 uv_x_off, uv_y_off, uv_y_act;
2736         u8 is_pic_yuv = 0;
2737
2738         var->pixclock = dev_drv->pixclock;
2739         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2740         if (win_id < 0)
2741                 return -ENODEV;
2742         else
2743                 win = dev_drv->win[win_id];
2744
2745         /* if the application has specific the horizontal and vertical display size */
2746         if (var->grayscale >> 8) {
2747                 xsize = (var->grayscale >> 8) & 0xfff;
2748                 ysize = (var->grayscale >> 20) & 0xfff;
2749                 if (xsize > screen->mode.xres)
2750                         xsize = screen->mode.xres;
2751                 if (ysize > screen->mode.yres)
2752                         ysize = screen->mode.yres;
2753         } else {                /*ohterwise  full  screen display */
2754                 xsize = screen->mode.xres;
2755                 ysize = screen->mode.yres;
2756         }
2757
2758         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2759         if (fb_data_fmt >= FBDC_RGB_565) {
2760                 win->area[0].fbdc_en = 1;
2761                 win->area[0].fbdc_cor_en = 1;
2762         } else {
2763                 win->area[0].fbdc_en = 0;
2764                 win->area[0].fbdc_cor_en = 0;
2765         }
2766         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2767         vir_width_bit = pixel_width * xvir;
2768         /* pixel_width = byte_num * 8 */
2769         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2770         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2771
2772         switch (fb_data_fmt) {
2773         case YUV422:
2774         case YUV422_A:
2775                 is_pic_yuv = 1;
2776                 stride = stride_32bit_1;
2777                 uv_stride = stride_32bit_1 >> 1;
2778                 uv_x_off = xoffset >> 1;
2779                 uv_y_off = yoffset;
2780                 fix->line_length = stride;
2781                 cblen = crlen = (xvir * yvir) >> 1;
2782                 uv_y_act = win->area[0].yact >> 1;
2783                 break;
2784         case YUV420:            /* 420sp */
2785         case YUV420_A:
2786                 is_pic_yuv = 1;
2787                 stride = stride_32bit_1;
2788                 uv_stride = stride_32bit_1;
2789                 uv_x_off = xoffset;
2790                 uv_y_off = yoffset >> 1;
2791                 fix->line_length = stride;
2792                 cblen = crlen = (xvir * yvir) >> 2;
2793                 uv_y_act = win->area[0].yact >> 1;
2794                 break;
2795         case YUV444:
2796         case YUV444_A:
2797                 is_pic_yuv = 1;
2798                 stride = stride_32bit_1;
2799                 uv_stride = stride_32bit_2;
2800                 uv_x_off = xoffset * 2;
2801                 uv_y_off = yoffset;
2802                 fix->line_length = stride << 2;
2803                 cblen = crlen = (xvir * yvir);
2804                 uv_y_act = win->area[0].yact;
2805                 break;
2806         default:
2807                 stride = stride_32bit_1;        /* default rgb */
2808                 fix->line_length = stride;
2809                 break;
2810         }
2811
2812         win->area[0].format = fb_data_fmt;
2813         win->area[0].y_vir_stride = stride >> 2;
2814         win->area[0].uv_vir_stride = uv_stride >> 2;
2815         win->area[0].xpos = xpos;
2816         win->area[0].ypos = ypos;
2817         win->area[0].xsize = xsize;
2818         win->area[0].ysize = ysize;
2819         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2820         win->area[0].yact = var->yres;
2821         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2822         win->area[0].yvir = var->yres_virtual;
2823         win->area[0].xoff = xoffset;
2824         win->area[0].yoff = yoffset;
2825
2826         win->area_num = 1;
2827         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2828         win->alpha_en = ((win->area[0].format == ARGB888) ||
2829                          (win->area[0].format == FBDC_ARGB_888) ||
2830                          (win->area[0].format == ABGR888)) ? 1 : 0;
2831         win->g_alpha_val = 0;
2832
2833         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2834             (win->area[0].format == YUV420 || win->area[0].format == YUV420_A))
2835             win->state = 1;
2836
2837         dev_drv->ops->set_par(dev_drv, win_id);
2838
2839         return 0;
2840 }
2841
2842 static inline unsigned int chan_to_field(unsigned int chan,
2843                                          struct fb_bitfield *bf)
2844 {
2845         chan &= 0xffff;
2846         chan >>= 16 - bf->length;
2847         return chan << bf->offset;
2848 }
2849
2850 static int fb_setcolreg(unsigned regno,
2851                         unsigned red, unsigned green, unsigned blue,
2852                         unsigned transp, struct fb_info *info)
2853 {
2854         unsigned int val;
2855
2856         switch (info->fix.visual) {
2857         case FB_VISUAL_TRUECOLOR:
2858                 /* true-colour, use pseudo-palette */
2859                 if (regno < 16) {
2860                         u32 *pal = info->pseudo_palette;
2861                         val = chan_to_field(red, &info->var.red);
2862                         val |= chan_to_field(green, &info->var.green);
2863                         val |= chan_to_field(blue, &info->var.blue);
2864                         pal[regno] = val;
2865                 }
2866                 break;
2867         default:
2868                 return -1;      /* unknown type */
2869         }
2870
2871         return 0;
2872 }
2873
2874 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2875 {
2876         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2877         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2878         struct ion_handle *handle = fb_par->ion_hdl;
2879         struct dma_buf *dma_buf = NULL;
2880
2881         if (IS_ERR_OR_NULL(handle)) {
2882                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2883                         PTR_ERR(handle));
2884                 return -ENOMEM;
2885         }
2886         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2887         if (IS_ERR_OR_NULL(dma_buf)) {
2888                 printk("get ion share dma buf failed\n");
2889                 return -ENOMEM;
2890         }
2891
2892         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2893
2894         return dma_buf_mmap(dma_buf, vma, 0);
2895 }
2896
2897 static struct fb_ops fb_ops = {
2898         .owner = THIS_MODULE,
2899         .fb_open = rk_fb_open,
2900         .fb_release = rk_fb_close,
2901         .fb_check_var = rk_fb_check_var,
2902         .fb_set_par = rk_fb_set_par,
2903         .fb_blank = rk_fb_blank,
2904         .fb_ioctl = rk_fb_ioctl,
2905         .fb_compat_ioctl = rk_fb_ioctl,
2906         .fb_pan_display = rk_fb_pan_display,
2907         .fb_read = rk_fb_read,
2908         .fb_write = rk_fb_write,
2909         .fb_setcolreg = fb_setcolreg,
2910         .fb_fillrect = cfb_fillrect,
2911         .fb_copyarea = cfb_copyarea,
2912         .fb_imageblit = cfb_imageblit,
2913 };
2914
2915 static struct fb_var_screeninfo def_var = {
2916 #if defined(CONFIG_LOGO_LINUX_BMP)
2917         .red = {16, 8, 0},
2918         .green = {8, 8, 0},
2919         .blue = {0, 8, 0},
2920         .transp = {0, 0, 0},
2921         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2922 #else
2923         .red = {11, 5, 0},
2924         .green = {5, 6, 0},
2925         .blue = {0, 5, 0},
2926         .transp = {0, 0, 0},
2927         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
2928 #endif
2929         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
2930         .activate = FB_ACTIVATE_NOW,
2931         .accel_flags = 0,
2932         .vmode = FB_VMODE_NONINTERLACED,
2933 };
2934
2935 static struct fb_fix_screeninfo def_fix = {
2936         .type = FB_TYPE_PACKED_PIXELS,
2937         .type_aux = 0,
2938         .xpanstep = 1,
2939         .ypanstep = 1,
2940         .ywrapstep = 0,
2941         .accel = FB_ACCEL_NONE,
2942         .visual = FB_VISUAL_TRUECOLOR,
2943
2944 };
2945
2946 static int rk_fb_wait_for_vsync_thread(void *data)
2947 {
2948         struct rk_lcdc_driver *dev_drv = data;
2949         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2950         struct fb_info *fbi = rk_fb->fb[0];
2951
2952         while (!kthread_should_stop()) {
2953                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2954                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2955                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2956                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2957
2958                 if (!ret)
2959                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2960         }
2961
2962         return 0;
2963 }
2964
2965 static ssize_t rk_fb_vsync_show(struct device *dev,
2966                                 struct device_attribute *attr, char *buf)
2967 {
2968         struct fb_info *fbi = dev_get_drvdata(dev);
2969         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
2970         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2971         return scnprintf(buf, PAGE_SIZE, "%llu\n",
2972                          ktime_to_ns(dev_drv->vsync_info.timestamp));
2973 }
2974
2975 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
2976
2977 /*
2978  * this two function is for other module that in the kernel which
2979  * need show image directly through fb
2980  * fb_id:we have 4 fb here,default we use fb0 for ui display
2981  */
2982 struct fb_info *rk_get_fb(int fb_id)
2983 {
2984         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2985         struct fb_info *fb = inf->fb[fb_id];
2986         return fb;
2987 }
2988 EXPORT_SYMBOL(rk_get_fb);
2989
2990 void rk_direct_fb_show(struct fb_info *fbi)
2991 {
2992         rk_fb_set_par(fbi);
2993         rk_fb_pan_display(&fbi->var, fbi);
2994 }
2995 EXPORT_SYMBOL(rk_direct_fb_show);
2996
2997 int rk_fb_dpi_open(bool open)
2998 {
2999         struct rk_lcdc_driver *dev_drv = NULL;
3000         dev_drv = rk_get_prmry_lcdc_drv();
3001
3002         if (dev_drv->ops->dpi_open)
3003                 dev_drv->ops->dpi_open(dev_drv, open);
3004         return 0;
3005 }
3006
3007 int rk_fb_dpi_win_sel(int win_id)
3008 {
3009         struct rk_lcdc_driver *dev_drv = NULL;
3010         dev_drv = rk_get_prmry_lcdc_drv();
3011
3012         if (dev_drv->ops->dpi_win_sel)
3013                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3014         return 0;
3015 }
3016
3017 int rk_fb_dpi_status(void)
3018 {
3019         int ret = 0;
3020         struct rk_lcdc_driver *dev_drv = NULL;
3021
3022         dev_drv = rk_get_prmry_lcdc_drv();
3023         if (dev_drv->ops->dpi_status)
3024                 ret = dev_drv->ops->dpi_status(dev_drv);
3025
3026         return ret;
3027 }
3028
3029 /*
3030  * function: this function will be called by display device, enable/disable lcdc
3031  * @screen: screen timing to be set to lcdc
3032  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3033  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3034  */
3035 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3036 {
3037         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3038         struct fb_info *info = NULL;
3039         struct rk_fb_par *fb_par = NULL;
3040         struct rk_lcdc_driver *dev_drv = NULL;
3041         char name[6] = {0};
3042         int i, win_id, load_screen = 0;
3043
3044         if (unlikely(!rk_fb) || unlikely(!screen))
3045                 return -ENODEV;
3046
3047         hdmi_switch_complete = 0;
3048         /* get lcdc driver */
3049         sprintf(name, "lcdc%d", lcdc_id);
3050         if (rk_fb->disp_mode != DUAL)
3051                 dev_drv = rk_fb->lcdc_dev_drv[0];
3052         else
3053                 dev_drv = rk_get_lcdc_drv(name);
3054
3055         if (dev_drv == NULL) {
3056                 printk(KERN_ERR "%s driver not found!", name);
3057                 return -ENODEV;
3058         }
3059         if (screen->type == SCREEN_HDMI)
3060                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3061                         dev_drv->id);
3062         else if (screen->type == SCREEN_TVOUT ||
3063                      screen->type == SCREEN_TVOUT_TEST )
3064                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3065                         dev_drv->id);
3066         if (enable == 2 /*&& dev_drv->enable*/)
3067                 return 0;
3068
3069         if ((rk_fb->disp_mode == ONE_DUAL) ||
3070             (rk_fb->disp_mode == NO_DUAL)) {
3071                 if ((dev_drv->ops->backlight_close) &&
3072                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3073                         dev_drv->ops->backlight_close(dev_drv, 1);
3074                 if (dev_drv->ops->dsp_black)
3075                         dev_drv->ops->dsp_black(dev_drv, 1);
3076                 if ((dev_drv->ops->set_screen_scaler) &&
3077                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3078                         dev_drv->ops->set_screen_scaler(dev_drv,
3079                                                         dev_drv->screen0, 0);
3080         }
3081         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3082                dev_drv->uboot_logo = 0;
3083         if (!enable) {
3084                 /* if screen type is different, we do not disable lcdc. */
3085                 if (dev_drv->cur_screen->type != screen->type)
3086                         return 0;
3087
3088                 /* if used one lcdc to dual disp, no need to close win */
3089                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3090                     (rk_fb->disp_mode == NO_DUAL)) {
3091                         dev_drv->cur_screen = dev_drv->screen0;
3092                         dev_drv->ops->load_screen(dev_drv, 1);
3093
3094                         /* force modify dsp size */
3095                         info = rk_fb->fb[dev_drv->fb_index_base];
3096                         info->var.grayscale &= 0xff;
3097                         info->var.grayscale |=
3098                                 (dev_drv->cur_screen->mode.xres << 8) +
3099                                 (dev_drv->cur_screen->mode.yres << 20);
3100                         mutex_lock(&dev_drv->win_config);
3101                         info->fbops->fb_set_par(info);
3102                         info->fbops->fb_pan_display(&info->var, info);
3103                         mutex_unlock(&dev_drv->win_config);
3104
3105                         if (dev_drv->ops->dsp_black)
3106                                 dev_drv->ops->dsp_black(dev_drv, 0);
3107                         if ((dev_drv->ops->backlight_close) &&
3108                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3109                                 dev_drv->ops->backlight_close(dev_drv, 0);
3110                 } else if (rk_fb->num_lcdc > 1) {
3111                         /* If there is more than one lcdc device, we disable
3112                            the layer which attached to this device */
3113                         dev_drv->suspend_flag = 1;
3114                         flush_kthread_worker(&dev_drv->update_regs_worker);
3115                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3116                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3117                                         dev_drv->ops->open(dev_drv, i, 0);
3118                         }
3119                 }
3120
3121                 hdmi_switch_complete = 0;
3122                 return 0;
3123         } else {
3124                 if (dev_drv->screen1)
3125                         dev_drv->cur_screen = dev_drv->screen1;
3126
3127                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3128                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3129                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3130                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3131                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3132         }
3133         if ((!dev_drv->uboot_logo) ||
3134             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3135                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3136                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3137                         fb_par = (struct rk_fb_par *)info->par;
3138                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3139                         if (dev_drv->win[win_id]) {
3140                                 if (fb_par->state) {
3141                                         if (!dev_drv->win[win_id]->state) {
3142                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3143                                                 dev_drv->suspend_flag = 0;
3144                                         }
3145                                         if (!load_screen) {
3146                                                 dev_drv->ops->load_screen(dev_drv, 1);
3147                                                 load_screen = 1;
3148                                         }
3149                                         info->var.activate |= FB_ACTIVATE_FORCE;
3150                                         if (rk_fb->disp_mode == ONE_DUAL) {
3151                                                 info->var.grayscale &= 0xff;
3152                                                 info->var.grayscale |=
3153                                                         (dev_drv->cur_screen->xsize << 8) +
3154                                                         (dev_drv->cur_screen->ysize << 20);
3155                                         }
3156
3157                                         mutex_lock(&dev_drv->win_config);
3158                                         info->fbops->fb_set_par(info);
3159                                         info->fbops->fb_pan_display(&info->var, info);
3160                                         mutex_unlock(&dev_drv->win_config);
3161                                 }
3162                         }
3163                 }
3164         }else {
3165                 dev_drv->uboot_logo = 0;
3166         }
3167         hdmi_switch_complete = 1;
3168         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3169                 if ((dev_drv->ops->set_screen_scaler) &&
3170                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3171                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3172                 if (dev_drv->ops->dsp_black)
3173                         dev_drv->ops->dsp_black(dev_drv, 0);
3174                 if ((dev_drv->ops->backlight_close) &&
3175                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3176                     (rk_fb->disp_mode == ONE_DUAL))
3177                         dev_drv->ops->backlight_close(dev_drv, 0);
3178         }
3179         return 0;
3180 }
3181
3182 /*
3183  * function:this function current only called by hdmi for
3184  *      scale the display
3185  * scale_x: scale rate of x resolution
3186  * scale_y: scale rate of y resolution
3187  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3188  */
3189 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3190 {
3191         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3192         struct fb_info *info = NULL;
3193         struct fb_info *pmy_info = NULL;
3194         struct fb_var_screeninfo *var = NULL;
3195         struct rk_lcdc_driver *dev_drv = NULL;
3196         u16 screen_x, screen_y;
3197         u16 xpos, ypos;
3198         char name[6];
3199         struct rk_screen primary_screen;
3200         rk_fb_get_prmry_screen(&primary_screen);
3201         if (primary_screen.type == SCREEN_HDMI) {
3202                 return 0;
3203         }
3204
3205         sprintf(name, "lcdc%d", lcdc_id);
3206
3207         if (inf->disp_mode == DUAL) {
3208                 dev_drv = rk_get_lcdc_drv(name);
3209                 if (dev_drv == NULL) {
3210                         printk(KERN_ERR "%s driver not found!", name);
3211                         return -ENODEV;
3212                 }
3213         } else {
3214                 dev_drv = inf->lcdc_dev_drv[0];
3215         }
3216
3217         if (inf->num_lcdc == 1) {
3218                 info = inf->fb[0];
3219         } else if (inf->num_lcdc == 2) {
3220                 info = inf->fb[dev_drv->lcdc_win_num];
3221                 pmy_info = inf->fb[0];
3222         }
3223
3224         var = &info->var;
3225         screen_x = dev_drv->cur_screen->mode.xres;
3226         screen_y = dev_drv->cur_screen->mode.yres;
3227
3228         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3229                 dev_drv->cur_screen->xpos =
3230                     (screen_x - screen_x * scale_x / 100) >> 1;
3231                 dev_drv->cur_screen->ypos =
3232                     (screen_y - screen_y * scale_y / 100) >> 1;
3233                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3234                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3235         } else {
3236                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3237                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3238                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3239                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3240                 if (inf->disp_mode == ONE_DUAL) {
3241                         var->nonstd &= 0xff;
3242                         var->nonstd |= (xpos << 8) + (ypos << 20);
3243                         var->grayscale &= 0xff;
3244                         var->grayscale |=
3245                                 (dev_drv->cur_screen->xsize << 8) +
3246                                 (dev_drv->cur_screen->ysize << 20);
3247                 }
3248         }
3249
3250         mutex_lock(&dev_drv->win_config);
3251         info->fbops->fb_set_par(info);
3252         dev_drv->ops->cfg_done(dev_drv);
3253         mutex_unlock(&dev_drv->win_config);
3254
3255         return 0;
3256 }
3257
3258 #if defined(CONFIG_ION_ROCKCHIP)
3259 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3260                                      struct rk_lcdc_win *win,
3261                                      unsigned long fb_mem_size)
3262 {
3263         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3264         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3265         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3266         struct ion_handle *handle;
3267         ion_phys_addr_t phy_addr;
3268         size_t len;
3269         int ret = 0;
3270
3271         if (dev_drv->iommu_enabled)
3272                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3273                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3274         else
3275                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3276                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3277         if (IS_ERR(handle)) {
3278                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3279                         PTR_ERR(handle));
3280                 return -ENOMEM;
3281         }
3282
3283         fb_par->ion_hdl = handle;
3284         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3285         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3286                 printk("ion_share_dma_buf() failed\n");
3287                 goto err_share_dma_buf;
3288         }
3289         win->area[0].ion_hdl = handle;
3290         if (dev_drv->prop == PRMRY)
3291                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3292 #ifdef CONFIG_ROCKCHIP_IOMMU
3293         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3294                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3295                                         (unsigned long *)&phy_addr,
3296                                         (unsigned long *)&len);
3297         else
3298                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3299 #else
3300         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3301 #endif
3302         if (ret < 0) {
3303                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3304                 goto err_share_dma_buf;
3305         }
3306         fbi->fix.smem_start = phy_addr;
3307         fbi->fix.smem_len = len;
3308         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3309         return 0;
3310
3311 err_share_dma_buf:
3312         ion_free(rk_fb->ion_client, handle);
3313         return -ENOMEM;
3314 }
3315 #endif
3316
3317 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3318 {
3319         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3320         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3321         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3322         struct rk_lcdc_win *win = NULL;
3323         int win_id;
3324         int ret = 0;
3325         unsigned long fb_mem_size;
3326 #if !defined(CONFIG_ION_ROCKCHIP)
3327         dma_addr_t fb_mem_phys;
3328         void *fb_mem_virt;
3329 #endif
3330
3331         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3332         if (win_id < 0)
3333                 return -ENODEV;
3334         else
3335                 win = dev_drv->win[win_id];
3336
3337         if (!strcmp(fbi->fix.id, "fb0")) {
3338                 fb_mem_size = get_fb_size();
3339 #if defined(CONFIG_ION_ROCKCHIP)
3340                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3341                         return -ENOMEM;
3342 #else
3343                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3344                                                      &fb_mem_phys, GFP_KERNEL);
3345                 if (!fb_mem_virt) {
3346                         pr_err("%s: Failed to allocate framebuffer\n",
3347                                __func__);
3348                         return -ENOMEM;
3349                 }
3350                 fbi->fix.smem_len = fb_mem_size;
3351                 fbi->fix.smem_start = fb_mem_phys;
3352                 fbi->screen_base = fb_mem_virt;
3353 #endif
3354                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3355         } else {
3356                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3357                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3358                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3359         }
3360
3361         fbi->screen_size = fbi->fix.smem_len;
3362         fb_par->fb_phy_base = fbi->fix.smem_start;
3363         fb_par->fb_virt_base = fbi->screen_base;
3364         fb_par->fb_size = fbi->fix.smem_len;
3365
3366         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3367                        fbi->fix.smem_start, fbi->screen_base,
3368                        fbi->fix.smem_len);
3369         return ret;
3370 }
3371
3372 #if 0
3373 static int rk_release_fb_buffer(struct fb_info *fbi)
3374 {
3375         /* buffer for fb1 and fb3 are alloc by android */
3376         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3377                 return 0;
3378         iounmap(fbi->screen_base);
3379         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3380         return 0;
3381 }
3382 #endif
3383
3384 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3385                          struct rk_lcdc_win *def_win)
3386 {
3387         int i;
3388         int lcdc_win_num = dev_drv->lcdc_win_num;
3389
3390         for (i = 0; i < lcdc_win_num; i++) {
3391                 struct rk_lcdc_win *win = NULL;
3392                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3393                 if (!win) {
3394                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3395                         return -ENOMEM;
3396                 }
3397
3398                 strcpy(win->name, def_win[i].name);
3399                 win->id = def_win[i].id;
3400                 win->support_3d = def_win[i].support_3d;
3401                 dev_drv->win[i] = win;
3402         }
3403
3404         return 0;
3405 }
3406
3407 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3408                                    struct rk_lcdc_win *def_win, int index)
3409 {
3410         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3411         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3412                                                 sizeof(struct rk_screen),
3413                                                 GFP_KERNEL);
3414
3415         if (!screen) {
3416                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3417                         dev_drv->id);
3418                 return -ENOMEM;
3419         }
3420
3421         screen->screen_id = 0;
3422         screen->lcdc_id = dev_drv->id;
3423         screen->overscan.left = 100;
3424         screen->overscan.top = 100;
3425         screen->overscan.right = 100;
3426         screen->overscan.bottom = 100;
3427
3428         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3429         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3430
3431         dev_drv->screen0 = screen;
3432         dev_drv->cur_screen = screen;
3433         /* devie use one lcdc + rk61x scaler for dual display */
3434         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3435                 struct rk_screen *screen1 =
3436                                 devm_kzalloc(dev_drv->dev,
3437                                              sizeof(struct rk_screen),
3438                                              GFP_KERNEL);
3439                 if (!screen1) {
3440                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3441                                 dev_drv->id);
3442                         return -ENOMEM;
3443                 }
3444                 screen1->screen_id = 1;
3445                 screen1->lcdc_id = 1;
3446                 dev_drv->screen1 = screen1;
3447         }
3448         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3449         init_lcdc_win(dev_drv, def_win);
3450         init_completion(&dev_drv->frame_done);
3451         spin_lock_init(&dev_drv->cpl_lock);
3452         mutex_init(&dev_drv->fb_win_id_mutex);
3453         mutex_init(&dev_drv->win_config);
3454         mutex_init(&dev_drv->front_lock);
3455         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3456         dev_drv->first_frame = 1;
3457         dev_drv->overscan.left = 100;
3458         dev_drv->overscan.top = 100;
3459         dev_drv->overscan.right = 100;
3460         dev_drv->overscan.bottom = 100;
3461         rk_disp_pwr_ctr_parse_dt(dev_drv);
3462         if (dev_drv->prop == PRMRY) {
3463                 if (dev_drv->ops->set_dsp_cabc)
3464                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3465                 rk_fb_set_prmry_screen(screen);
3466                 rk_fb_get_prmry_screen(screen);
3467         }
3468         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3469         if (dev_drv->prop != PRMRY)
3470                 rk_fb_get_prmry_screen(screen);
3471         dev_drv->output_color = screen->color_mode;
3472
3473         return 0;
3474 }
3475
3476 #ifdef CONFIG_LOGO_LINUX_BMP
3477 static struct linux_logo *bmp_logo;
3478 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3479 {
3480         bmp_logo = fb_find_logo(24);
3481         if (bmp_logo == NULL) {
3482                 printk(KERN_INFO "%s error\n", __func__);
3483                 return 0;
3484         }
3485         return 1;
3486 }
3487
3488 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3489 {
3490         unsigned char *src = bmp_logo->data;
3491         unsigned char *dst = info->screen_base;
3492         int i;
3493         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3494         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3495
3496         for (i = 0; i < Needheight; i++)
3497                 memcpy(dst + info->var.xres * i * 4,
3498                        src + bmp_logo->width * i * 4, Needwidth * 4);
3499 }
3500 #endif
3501
3502 /*
3503  * check if the primary lcdc has registerd,
3504  * the primary lcdc mas register first
3505  */
3506 bool is_prmry_rk_lcdc_registered(void)
3507 {
3508         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3509
3510         if (rk_fb->lcdc_dev_drv[0])
3511                 return true;
3512         else
3513                 return false;
3514 }
3515
3516 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3517                    struct rk_lcdc_win *win, int id)
3518 {
3519         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3520         struct fb_info *fbi;
3521         struct rk_fb_par *fb_par = NULL;
3522         int i = 0, ret = 0, index = 0;
3523
3524         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3525                 return -ENXIO;
3526
3527         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3528                 if (!rk_fb->lcdc_dev_drv[i]) {
3529                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3530                         rk_fb->lcdc_dev_drv[i]->id = id;
3531                         rk_fb->num_lcdc++;
3532                         break;
3533                 }
3534         }
3535
3536         index = i;
3537         init_lcdc_device_driver(rk_fb, win, index);
3538         dev_drv->fb_index_base = rk_fb->num_fb;
3539         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3540                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3541                 if (!fbi) {
3542                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3543                         ret = -ENOMEM;
3544                 }
3545                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3546                                       GFP_KERNEL);
3547                 if (!fb_par) {
3548                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3549                                 rk_fb->num_fb);
3550                         return -ENOMEM;
3551                 }
3552                 fb_par->id = rk_fb->num_fb;
3553                 fb_par->lcdc_drv = dev_drv;
3554                 fbi->par = (void *)fb_par;
3555                 fbi->var = def_var;
3556                 fbi->fix = def_fix;
3557                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3558                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3559                 fbi->var.grayscale |=
3560                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3561 #if defined(CONFIG_LOGO_LINUX_BMP)
3562                 fbi->var.bits_per_pixel = 32;
3563 #else
3564                 fbi->var.bits_per_pixel = 16;
3565 #endif
3566                 fbi->fix.line_length =
3567                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3568                 fbi->var.width = dev_drv->cur_screen->width;
3569                 fbi->var.height = dev_drv->cur_screen->height;
3570                 fbi->var.pixclock = dev_drv->pixclock;
3571                 if (dev_drv->iommu_enabled)
3572                         fb_ops.fb_mmap = rk_fb_mmap;
3573                 fbi->fbops = &fb_ops;
3574                 fbi->flags = FBINFO_FLAG_DEFAULT;
3575                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3576                 ret = register_framebuffer(fbi);
3577                 if (ret < 0) {
3578                         dev_err(&fb_pdev->dev,
3579                                 "%s fb%d register_framebuffer fail!\n",
3580                                 __func__, rk_fb->num_fb);
3581                         return ret;
3582                 }
3583                 rkfb_create_sysfs(fbi);
3584                 rk_fb->fb[rk_fb->num_fb] = fbi;
3585                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3586                          fbi->fix.id);
3587                 rk_fb->num_fb++;
3588
3589                 if (i == 0) {
3590                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3591                         init_waitqueue_head(&dev_drv->update_regs_wait);
3592                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3593                         if (ret)
3594                                 dev_err(fbi->dev,
3595                                         "failed to create vsync file\n");
3596                         dev_drv->vsync_info.thread =
3597                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3598                                         "fb-vsync");
3599                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3600                                 dev_err(fbi->dev,
3601                                         "failed to run vsync thread\n");
3602                                 dev_drv->vsync_info.thread = NULL;
3603                         }
3604                         dev_drv->vsync_info.active = 1;
3605
3606                         mutex_init(&dev_drv->output_lock);
3607
3608                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3609                         mutex_init(&dev_drv->update_regs_list_lock);
3610                         init_kthread_worker(&dev_drv->update_regs_worker);
3611
3612                         dev_drv->update_regs_thread =
3613                             kthread_run(kthread_worker_fn,
3614                                         &dev_drv->update_regs_worker, "rk-fb");
3615                         if (IS_ERR(dev_drv->update_regs_thread)) {
3616                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3617                                 dev_drv->update_regs_thread = NULL;
3618
3619                                 printk("failed to run update_regs thread\n");
3620                                 return err;
3621                         }
3622                         init_kthread_work(&dev_drv->update_regs_work,
3623                                           rk_fb_update_regs_handler);
3624
3625                         dev_drv->timeline =
3626                             sw_sync_timeline_create("fb-timeline");
3627                         dev_drv->timeline_max = 1;
3628                 }
3629         }
3630
3631         /* show logo for primary display device */
3632 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3633         if (dev_drv->prop == PRMRY) {
3634                 u16 xact, yact;
3635                 int format;
3636                 u32 dsp_addr;
3637                 struct fb_info *main_fbi = rk_fb->fb[0];
3638                 main_fbi->fbops->fb_open(main_fbi, 1);
3639
3640 #if defined(CONFIG_ROCKCHIP_IOMMU)
3641                 if (dev_drv->iommu_enabled) {
3642                         if (dev_drv->mmu_dev)
3643                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3644                                                 rk_fb_sysmmu_fault_handler);
3645                 }
3646 #endif
3647
3648                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3649                 dev_drv->uboot_logo = support_uboot_display();
3650
3651                 if (dev_drv->uboot_logo &&
3652                     uboot_logo_offset && uboot_logo_base) {
3653                         int width, height, bits;
3654                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3655                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3656                         unsigned int nr_pages;
3657                         struct page **pages;
3658                         char *vaddr;
3659                         int i = 0;
3660
3661                         if (dev_drv->ops->get_dspbuf_info)
3662                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3663                                         &yact, &format, &dsp_addr);
3664                         nr_pages = size >> PAGE_SHIFT;
3665                         pages = kzalloc(sizeof(struct page) * nr_pages,
3666                                         GFP_KERNEL);
3667                         while (i < nr_pages) {
3668                                 pages[i] = phys_to_page(start);
3669                                 start += PAGE_SIZE;
3670                                 i++;
3671                         }
3672                         vaddr = vmap(pages, nr_pages, VM_MAP,
3673                                         pgprot_writecombine(PAGE_KERNEL));
3674                         if (!vaddr) {
3675                                 pr_err("failed to vmap phy addr 0x%lx\n",
3676                                        (long)(uboot_logo_base +
3677                                        uboot_logo_offset));
3678                                 return -1;
3679                         }
3680
3681                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3682                                       &height, &bits)) {
3683                                 kfree(pages);
3684                                 vunmap(vaddr);
3685                                 return 0;
3686                         }
3687                         kfree(pages);
3688                         vunmap(vaddr);
3689                         if (dev_drv->uboot_logo &&
3690                             (width != xact || height != yact)) {
3691                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3692                                         xact, yact, width, height);
3693                                 return 0;
3694                         }
3695
3696                         if (dev_drv->ops->post_dspbuf) {
3697                                 dev_drv->ops->post_dspbuf(dev_drv,
3698                                         main_fbi->fix.smem_start,
3699                                         rk_fb_data_fmt(0, bits),
3700                                         width, height, width * bits >> 5);
3701                         }
3702                         if (dev_drv->iommu_enabled) {
3703                                 rk_fb_poll_wait_frame_complete();
3704                                 if (dev_drv->ops->mmu_en)
3705                                         dev_drv->ops->mmu_en(dev_drv);
3706                                 freed_index = 0;
3707                         }
3708
3709                         return 0;
3710                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3711                         u32 start = uboot_logo_base;
3712                         int logo_len, i=0;
3713                         unsigned int nr_pages;
3714                         struct page **pages;
3715                         char *vaddr;
3716
3717                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3718                                                       &yact, &format,
3719                                                       &start);
3720                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3721                         if (logo_len > uboot_logo_size ||
3722                             logo_len > main_fbi->fix.smem_len) {
3723                                 pr_err("logo size > uboot reserve buffer size\n");
3724                                 return -1;
3725                         }
3726
3727                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3728                         pages = kzalloc(sizeof(struct page) * nr_pages,
3729                                         GFP_KERNEL);
3730                         while (i < nr_pages) {
3731                                 pages[i] = phys_to_page(start);
3732                                 start += PAGE_SIZE;
3733                                 i++;
3734                         }
3735                         vaddr = vmap(pages, nr_pages, VM_MAP,
3736                                         pgprot_writecombine(PAGE_KERNEL));
3737                         if (!vaddr) {
3738                                 pr_err("failed to vmap phy addr 0x%llx\n",
3739                                        uboot_logo_base);
3740                                 return -1;
3741                         }
3742
3743                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3744
3745                         kfree(pages);
3746                         vunmap(vaddr);
3747
3748                         dev_drv->ops->post_dspbuf(dev_drv,
3749                                         main_fbi->fix.smem_start,
3750                                         format, xact, yact,
3751                                         xact * rk_fb_pixel_width(format) >> 5);
3752                         if (dev_drv->iommu_enabled) {
3753                                 rk_fb_poll_wait_frame_complete();
3754                                 if (dev_drv->ops->mmu_en)
3755                                         dev_drv->ops->mmu_en(dev_drv);
3756                                 freed_index = 0;
3757                         }
3758                         return 0;
3759                 } else {
3760                         if (dev_drv->iommu_enabled) {
3761                                 if (dev_drv->ops->mmu_en)
3762                                         dev_drv->ops->mmu_en(dev_drv);
3763                                 freed_index = 0;
3764                         }
3765                 }
3766 #if defined(CONFIG_LOGO)
3767                 main_fbi->fbops->fb_set_par(main_fbi);
3768 #if  defined(CONFIG_LOGO_LINUX_BMP)
3769                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3770                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3771                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3772                 }
3773 #else
3774                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3775                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3776                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3777                 }
3778 #endif
3779                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3780 #endif
3781         } else {
3782                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3783
3784                 rk_fb_alloc_buffer(extend_fbi);
3785         }
3786 #endif
3787         return 0;
3788 }
3789
3790 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3791 {
3792         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3793         struct fb_info *fbi;
3794         int fb_index_base = dev_drv->fb_index_base;
3795         int fb_num = dev_drv->lcdc_win_num;
3796         int i = 0;
3797
3798         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3799                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3800                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3801         }
3802
3803         for (i = 0; i < fb_num; i++)
3804                 kfree(dev_drv->win[i]);
3805
3806         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3807                 fbi = fb_inf->fb[i];
3808                 unregister_framebuffer(fbi);
3809                 /* rk_release_fb_buffer(fbi); */
3810                 framebuffer_release(fbi);
3811         }
3812         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3813         fb_inf->num_lcdc--;
3814
3815         return 0;
3816 }
3817
3818 static int rk_fb_probe(struct platform_device *pdev)
3819 {
3820         struct rk_fb *rk_fb = NULL;
3821         struct device_node *np = pdev->dev.of_node;
3822         u32 mode;
3823
3824         if (!np) {
3825                 dev_err(&pdev->dev, "Missing device tree node.\n");
3826                 return -EINVAL;
3827         }
3828
3829         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3830         if (!rk_fb) {
3831                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3832                 return -ENOMEM;
3833         }
3834         platform_set_drvdata(pdev, rk_fb);
3835
3836         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3837                 rk_fb->disp_mode = mode;
3838
3839         } else {
3840                 dev_err(&pdev->dev, "no disp-mode node found!");
3841                 return -ENODEV;
3842         }
3843
3844         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3845                 rk_fb->disp_policy = mode;
3846                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3847         }
3848
3849         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3850                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3851
3852         dev_set_name(&pdev->dev, "rockchip-fb");
3853 #if defined(CONFIG_ION_ROCKCHIP)
3854         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3855         if (IS_ERR(rk_fb->ion_client)) {
3856                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3857                 return PTR_ERR(rk_fb->ion_client);
3858         } else {
3859                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3860         }
3861 #endif
3862
3863         fb_pdev = pdev;
3864         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3865         return 0;
3866 }
3867
3868 static int rk_fb_remove(struct platform_device *pdev)
3869 {
3870         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3871
3872         kfree(rk_fb);
3873         platform_set_drvdata(pdev, NULL);
3874         return 0;
3875 }
3876
3877 static void rk_fb_shutdown(struct platform_device *pdev)
3878 {
3879         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3880         int i;
3881
3882         for (i = 0; i < rk_fb->num_lcdc; i++) {
3883                 if (!rk_fb->lcdc_dev_drv[i])
3884                         continue;
3885         }
3886 }
3887
3888 static const struct of_device_id rkfb_dt_ids[] = {
3889         {.compatible = "rockchip,rk-fb",},
3890         {}
3891 };
3892
3893 static struct platform_driver rk_fb_driver = {
3894         .probe = rk_fb_probe,
3895         .remove = rk_fb_remove,
3896         .driver = {
3897                    .name = "rk-fb",
3898                    .owner = THIS_MODULE,
3899                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3900                    },
3901         .shutdown = rk_fb_shutdown,
3902 };
3903
3904 static int __init rk_fb_init(void)
3905 {
3906         return platform_driver_register(&rk_fb_driver);
3907 }
3908
3909 static void __exit rk_fb_exit(void)
3910 {
3911         platform_driver_unregister(&rk_fb_driver);
3912 }
3913
3914 fs_initcall(rk_fb_init);
3915 module_exit(rk_fb_exit);