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         case SCREEN_LVDS_10BIT:
 103         case SCREEN_DUAL_LVDS_10BIT:
 104                 trsm_lvds_ops = ops;
 105                 break;
 106         case SCREEN_EDP:
 107                 trsm_edp_ops = ops;
 108                 break;
 109         case SCREEN_MIPI:
 110         case SCREEN_DUAL_MIPI:
 111                 trsm_mipi_ops = ops;
 112                 break;
 113         default:
 114                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 115                        __func__, type);
 116                 break;
 117         }
 118         return 0;
 119 }
 120
 121 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 122 {
 123         struct rk_fb_trsm_ops *ops;
 124         switch (type) {
 125         case SCREEN_RGB:
 126         case SCREEN_LVDS:
 127         case SCREEN_DUAL_LVDS:
 128         case SCREEN_LVDS_10BIT:
 129         case SCREEN_DUAL_LVDS_10BIT:
 130                 ops = trsm_lvds_ops;
 131                 break;
 132         case SCREEN_EDP:
 133                 ops = trsm_edp_ops;
 134                 break;
 135         case SCREEN_MIPI:
 136         case SCREEN_DUAL_MIPI:
 137                 ops = trsm_mipi_ops;
 138                 break;
 139         default:
 140                 ops = NULL;
 141                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 142                        __func__, type);
 143                 break;
 144         }
 145         return ops;
 146 }
 147
 148 int rk_fb_pixel_width(int data_format)
 149 {
 150         int pixel_width;
 151         switch (data_format) {
 152         case XBGR888:
 153         case ABGR888:
 154         case ARGB888:
 155         case FBDC_ARGB_888:
 156         case FBDC_ABGR_888:
 157         case FBDC_RGBX_888:
 158                 pixel_width = 4 * 8;
 159                 break;
 160         case RGB888:
 161                 pixel_width = 3 * 8;
 162                 break;
 163         case RGB565:
 164         case FBDC_RGB_565:
 165                 pixel_width = 2 * 8;
 166                 break;
 167         case YUV422:
 168         case YUV420:
 169         case YUV420_NV21:
 170         case YUV444:
 171                 pixel_width = 1 * 8;
 172                 break;
 173         case YUV422_A:
 174         case YUV420_A:
 175         case YUV444_A:
 176                 pixel_width = 8;
 177                 break;
 178         default:
 179                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 180                        __func__, data_format);
 181                 return -EINVAL;
 182         }
 183         return pixel_width;
 184 }
 185
 186 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 187 {
 188         int fb_data_fmt;
 189         if (data_format) {
 190                 switch (data_format) {
 191                 case HAL_PIXEL_FORMAT_RGBX_8888:
 192                         fb_data_fmt = XBGR888;
 193                         break;
 194                 case HAL_PIXEL_FORMAT_RGBA_8888:
 195                         fb_data_fmt = ABGR888;
 196                         break;
 197                 case HAL_PIXEL_FORMAT_BGRA_8888:
 198                         fb_data_fmt = ARGB888;
 199                         break;
 200                 case HAL_PIXEL_FORMAT_RGB_888:
 201                         fb_data_fmt = RGB888;
 202                         break;
 203                 case HAL_PIXEL_FORMAT_RGB_565:
 204                         fb_data_fmt = RGB565;
 205                         break;
 206                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 207                         fb_data_fmt = YUV422;
 208                         break;
 209                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
 210                         fb_data_fmt = YUV420_NV21;
 211                         break;
 212                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 213                         fb_data_fmt = YUV420;
 214                         break;
 215                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 216                         fb_data_fmt = YUV444;
 217                         break;
 218                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 219                         fb_data_fmt = YUV420_A;
 220                         break;
 221                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 222                         fb_data_fmt = YUV422_A;
 223                         break;
 224                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 225                         fb_data_fmt = YUV444_A;
 226                         break;
 227                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
 228                         fb_data_fmt = FBDC_RGB_565;
 229                         break;
 230                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
 231                         fb_data_fmt = FBDC_ARGB_888;
 232                         break;
 233                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
 234                         fb_data_fmt = FBDC_ABGR_888;
 235                         break;
 236                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
 237                         fb_data_fmt = FBDC_RGBX_888;
 238                         break;
 239                 default:
 240                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 241                                __func__, data_format);
 242                         return -EINVAL;
 243                 }
 244         } else {
 245                 switch (bits_per_pixel) {
 246                 case 32:
 247                         fb_data_fmt = ARGB888;
 248                         break;
 249                 case 24:
 250                         fb_data_fmt = RGB888;
 251                         break;
 252                 case 16:
 253                         fb_data_fmt = RGB565;
 254                         break;
 255                 default:
 256                         printk(KERN_WARNING
 257                                "%s:un supported bits_per_pixel:%d\n", __func__,
 258                                bits_per_pixel);
 259                         break;
 260                 }
 261         }
 262         return fb_data_fmt;
 263 }
 264
 265 /*
 266  * rk display power control parse from dts
 267  */
 268 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 269 {
 270         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 271                                                         "power_ctr");
 272         struct device_node *child;
 273         struct rk_disp_pwr_ctr_list *pwr_ctr;
 274         struct list_head *pos;
 275         enum of_gpio_flags flags;
 276         u32 val = 0;
 277         u32 debug = 0;
 278         int ret;
 279
 280         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 281         if (!root) {
 282                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 283                         dev_drv->id);
 284                 return -ENODEV;
 285         }
 286
 287         for_each_child_of_node(root, child) {
 288                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 289                                   GFP_KERNEL);
 290                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 291                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 292                         if (val == GPIO) {
 293                                 pwr_ctr->pwr_ctr.type = GPIO;
 294                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 295                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 296                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 297                                                 child->name);
 298                                         return -EINVAL;
 299                                 }
 300                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 301                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 302                                                    child->name);
 303                                 if (ret) {
 304                                         dev_err(dev_drv->dev,
 305                                                 "request %s gpio fail:%d\n",
 306                                                 child->name, ret);
 307                                 }
 308
 309                         } else {
 310                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 311                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
 312                                 ret = of_property_read_string(child, "rockchip,regulator_name",
 313                                                              &(pwr_ctr->pwr_ctr.rgl_name));
 314                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
 315                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
 316                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
 317                                         pwr_ctr->pwr_ctr.volt = val;
 318                                 else
 319                                         pwr_ctr->pwr_ctr.volt = 0;
 320                         }
 321                 };
 322
 323                 if (!of_property_read_u32(child, "rockchip,delay", &val))
 324                         pwr_ctr->pwr_ctr.delay = val;
 325                 else
 326                         pwr_ctr->pwr_ctr.delay = 0;
 327                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 328         }
 329
 330         of_property_read_u32(root, "rockchip,debug", &debug);
 331
 332         if (debug) {
 333                 list_for_each(pos, &dev_drv->pwrlist_head) {
 334                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 335                                              list);
 336                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 337                                "pwr_type:%s\n"
 338                                "gpio:%d\n"
 339                                "atv_val:%d\n"
 340                                "delay:%d\n\n",
 341                                pwr_ctr->pwr_ctr.name,
 342                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 343                                pwr_ctr->pwr_ctr.gpio,
 344                                pwr_ctr->pwr_ctr.atv_val,
 345                                pwr_ctr->pwr_ctr.delay);
 346                 }
 347         }
 348
 349         return 0;
 350
 351 }
 352
 353 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 354 {
 355         struct list_head *pos;
 356         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 357         struct pwr_ctr *pwr_ctr;
 358         struct regulator *regulator_lcd = NULL;
 359         int count = 10;
 360
 361         if (list_empty(&dev_drv->pwrlist_head))
 362                 return 0;
 363         list_for_each(pos, &dev_drv->pwrlist_head) {
 364                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 365                                           list);
 366                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 367                 if (pwr_ctr->type == GPIO) {
 368                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 369                         mdelay(pwr_ctr->delay);
 370                 } else if (pwr_ctr->type == REGULATOR) {
 371                         if (pwr_ctr->rgl_name)
 372                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 373                         if (regulator_lcd == NULL) {
 374                                 dev_err(dev_drv->dev,
 375                                         "%s: regulator get failed,regulator name:%s\n",
 376                                         __func__, pwr_ctr->rgl_name);
 377                                 continue;
 378                         }
 379                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
 380                         while (!regulator_is_enabled(regulator_lcd)) {
 381                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
 382                                         break;
 383                                 else
 384                                         dev_err(dev_drv->dev,
 385                                                 "regulator_enable failed,count=%d\n",
 386                                                 count);
 387                                 count--;
 388                         }
 389                         regulator_put(regulator_lcd);
 390                         msleep(pwr_ctr->delay);
 391                 }
 392         }
 393
 394         return 0;
 395 }
 396
 397 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 398 {
 399         struct list_head *pos;
 400         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 401         struct pwr_ctr *pwr_ctr;
 402         struct regulator *regulator_lcd = NULL;
 403         int count = 10;
 404
 405         if (list_empty(&dev_drv->pwrlist_head))
 406                 return 0;
 407         list_for_each(pos, &dev_drv->pwrlist_head) {
 408                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 409                                           list);
 410                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 411                 if (pwr_ctr->type == GPIO) {
 412                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 413                 } else if (pwr_ctr->type == REGULATOR) {
 414                         if (pwr_ctr->rgl_name)
 415                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
 416                         if (regulator_lcd == NULL) {
 417                                 dev_err(dev_drv->dev,
 418                                         "%s: regulator get failed,regulator name:%s\n",
 419                                         __func__, pwr_ctr->rgl_name);
 420                                 continue;
 421                         }
 422                         while (regulator_is_enabled(regulator_lcd) > 0) {
 423                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
 424                                         break;
 425                                 else
 426                                         dev_err(dev_drv->dev,
 427                                                 "regulator_disable failed,count=%d\n",
 428                                                 count);
 429                                 count--;
 430                         }
 431                         regulator_put(regulator_lcd);
 432                 }
 433         }
 434         return 0;
 435 }
 436
 437 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 438                                  struct rk_screen *screen)
 439 {
 440         screen->mode.pixclock = dt->pixelclock.typ;
 441         screen->mode.left_margin = dt->hback_porch.typ;
 442         screen->mode.right_margin = dt->hfront_porch.typ;
 443         screen->mode.xres = dt->hactive.typ;
 444         screen->mode.hsync_len = dt->hsync_len.typ;
 445         screen->mode.upper_margin = dt->vback_porch.typ;
 446         screen->mode.lower_margin = dt->vfront_porch.typ;
 447         screen->mode.yres = dt->vactive.typ;
 448         screen->mode.vsync_len = dt->vsync_len.typ;
 449         screen->type = dt->screen_type;
 450         screen->lvds_format = dt->lvds_format;
 451         screen->face = dt->face;
 452         screen->color_mode = dt->color_mode;
 453         screen->dsp_lut = dt->dsp_lut;
 454         screen->cabc_lut = dt->cabc_lut;
 455
 456         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 457                 screen->pin_dclk = 1;
 458         else
 459                 screen->pin_dclk = 0;
 460         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 461                 screen->pin_hsync = 1;
 462         else
 463                 screen->pin_hsync = 0;
 464         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 465                 screen->pin_vsync = 1;
 466         else
 467                 screen->pin_vsync = 0;
 468         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 469                 screen->pin_den = 1;
 470         else
 471                 screen->pin_den = 0;
 472
 473         return 0;
 474
 475 }
 476
 477 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 478 {
 479         struct display_timings *disp_timing;
 480         struct display_timing *dt;
 481         disp_timing = of_get_display_timings(np);
 482         if (!disp_timing) {
 483                 pr_err("parse display timing err\n");
 484                 return -EINVAL;
 485         }
 486         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 487         rk_fb_video_mode_from_timing(dt, screen);
 488         return 0;
 489
 490 }
 491
 492 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 493 {
 494         int x, y;
 495         unsigned long long hz;
 496         if (!screen) {
 497                 printk(KERN_ERR "%s:null screen!\n", __func__);
 498                 return 0;
 499         }
 500         x = screen->mode.xres + screen->mode.left_margin +
 501             screen->mode.right_margin + screen->mode.hsync_len;
 502         y = screen->mode.yres + screen->mode.upper_margin +
 503             screen->mode.lower_margin + screen->mode.vsync_len;
 504
 505         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 506
 507         hz += (x * y) / 2;
 508         do_div(hz, x * y);      /* divide by x * y with rounding */
 509
 510         hz += pixclock / 2;
 511         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 512
 513         return hz;
 514 }
 515
 516 char *get_format_string(enum data_format format, char *fmt)
 517 {
 518         if (!fmt)
 519                 return NULL;
 520         switch (format) {
 521         case ARGB888:
 522                 strcpy(fmt, "ARGB888");
 523                 break;
 524         case RGB888:
 525                 strcpy(fmt, "RGB888");
 526                 break;
 527         case RGB565:
 528                 strcpy(fmt, "RGB565");
 529                 break;
 530         case YUV420:
 531         case YUV420_NV21:
 532                 strcpy(fmt, "YUV420");
 533                 break;
 534         case YUV422:
 535                 strcpy(fmt, "YUV422");
 536                 break;
 537         case YUV444:
 538                 strcpy(fmt, "YUV444");
 539                 break;
 540         case YUV420_A:
 541                 strcpy(fmt, "YUV420_A");
 542                 break;
 543         case YUV422_A:
 544                 strcpy(fmt, "YUV422_A");
 545                 break;
 546         case YUV444_A:
 547                 strcpy(fmt, "YUV444_A");
 548                 break;
 549         case XRGB888:
 550                 strcpy(fmt, "XRGB888");
 551                 break;
 552         case XBGR888:
 553                 strcpy(fmt, "XBGR888");
 554                 break;
 555         case ABGR888:
 556                 strcpy(fmt, "ABGR888");
 557                 break;
 558         case FBDC_RGB_565:
 559                 strcpy(fmt, "FBDC_RGB_565");
 560                 break;
 561         case FBDC_ARGB_888:
 562         case FBDC_ABGR_888:
 563                 strcpy(fmt, "FBDC_ARGB_888");
 564                 break;
 565         case FBDC_RGBX_888:
 566                 strcpy(fmt, "FBDC_RGBX_888");
 567                 break;
 568         default:
 569                 strcpy(fmt, "invalid");
 570                 break;
 571         }
 572
 573         return fmt;
 574
 575 }
 576
 577 /*
 578  * this is for hdmi
 579  * name: lcdc device name ,lcdc0 , lcdc1
 580  */
 581 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 582 {
 583         struct rk_fb *inf = NULL;
 584         struct rk_lcdc_driver *dev_drv = NULL;
 585         int i = 0;
 586
 587         if (likely(fb_pdev))
 588                 inf = platform_get_drvdata(fb_pdev);
 589         else
 590                 return NULL;
 591
 592         for (i = 0; i < inf->num_lcdc; i++) {
 593                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 594                         dev_drv = inf->lcdc_dev_drv[i];
 595                         break;
 596                 }
 597         }
 598
 599         return dev_drv;
 600 }
 601
 602 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 603 {
 604         struct rk_fb *inf = NULL;
 605         struct rk_lcdc_driver *dev_drv = NULL;
 606         int i = 0;
 607
 608         if (likely(fb_pdev))
 609                 inf = platform_get_drvdata(fb_pdev);
 610         else
 611                 return NULL;
 612
 613         for (i = 0; i < inf->num_lcdc; i++) {
 614                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 615                         dev_drv = inf->lcdc_dev_drv[i];
 616                         break;
 617                 }
 618         }
 619
 620         return dev_drv;
 621 }
 622
 623 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 624 {
 625         struct rk_fb *inf = NULL;
 626         struct rk_lcdc_driver *dev_drv = NULL;
 627         int i = 0;
 628
 629         if (likely(fb_pdev))
 630                 inf = platform_get_drvdata(fb_pdev);
 631         else
 632                 return NULL;
 633
 634         for (i = 0; i < inf->num_lcdc; i++) {
 635                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 636                         dev_drv = inf->lcdc_dev_drv[i];
 637                         break;
 638                 }
 639         }
 640
 641         return dev_drv;
 642 }
 643
 644 /*
 645  * get one frame time of the prmry screen, unit: us
 646  */
 647 u32 rk_fb_get_prmry_screen_ft(void)
 648 {
 649         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 650         uint32_t htotal, vtotal, pixclock_ps;
 651         u64 pix_total, ft_us;
 652
 653         if (unlikely(!dev_drv))
 654                 return 0;
 655
 656         pixclock_ps = dev_drv->pixclock;
 657
 658         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 659                  dev_drv->cur_screen->mode.lower_margin +
 660                  dev_drv->cur_screen->mode.yres +
 661                  dev_drv->cur_screen->mode.vsync_len);
 662         htotal = (dev_drv->cur_screen->mode.left_margin +
 663                  dev_drv->cur_screen->mode.right_margin +
 664                  dev_drv->cur_screen->mode.xres +
 665                  dev_drv->cur_screen->mode.hsync_len);
 666         pix_total = htotal * vtotal;
 667         ft_us = pix_total * pixclock_ps;
 668         do_div(ft_us, 1000000);
 669         if (dev_drv->frame_time.ft == 0)
 670                 dev_drv->frame_time.ft = ft_us;
 671
 672         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 673         do_div(ft_us, 1000);
 674         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 675         if (ft_us != 0)
 676                 dev_drv->frame_time.ft = ft_us;
 677
 678         return dev_drv->frame_time.ft;
 679 }
 680
 681 /*
 682  * get the vblanking time of the prmry screen, unit: us
 683  */
 684 u32 rk_fb_get_prmry_screen_vbt(void)
 685 {
 686         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 687         uint32_t htotal, vblank, pixclock_ps;
 688         u64 pix_blank, vbt_us;
 689
 690         if (unlikely(!dev_drv))
 691                 return 0;
 692
 693         pixclock_ps = dev_drv->pixclock;
 694
 695         htotal = (dev_drv->cur_screen->mode.left_margin +
 696                  dev_drv->cur_screen->mode.right_margin +
 697                  dev_drv->cur_screen->mode.xres +
 698                  dev_drv->cur_screen->mode.hsync_len);
 699         vblank = (dev_drv->cur_screen->mode.upper_margin +
 700                  dev_drv->cur_screen->mode.lower_margin +
 701                  dev_drv->cur_screen->mode.vsync_len);
 702         pix_blank = htotal * vblank;
 703         vbt_us = pix_blank * pixclock_ps;
 704         do_div(vbt_us, 1000000);
 705         return (u32)vbt_us;
 706 }
 707
 708 /*
 709  * get the frame done time of the prmry screen, unit: us
 710  */
 711 u64 rk_fb_get_prmry_screen_framedone_t(void)
 712 {
 713         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 714
 715         if (unlikely(!dev_drv))
 716                 return 0;
 717         else
 718                 return dev_drv->frame_time.framedone_t;
 719 }
 720
 721 /*
 722  * set prmry screen status
 723  */
 724 int rk_fb_set_prmry_screen_status(int status)
 725 {
 726         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 727         struct rk_screen *screen;
 728
 729         if (unlikely(!dev_drv))
 730                 return 0;
 731
 732         screen = dev_drv->cur_screen;
 733         switch (status) {
 734         case SCREEN_PREPARE_DDR_CHANGE:
 735                 if (screen->type == SCREEN_MIPI
 736                         || screen->type == SCREEN_DUAL_MIPI) {
 737                         if (dev_drv->trsm_ops->dsp_pwr_off)
 738                                 dev_drv->trsm_ops->dsp_pwr_off();
 739                 }
 740                 break;
 741         case SCREEN_UNPREPARE_DDR_CHANGE:
 742                 if (screen->type == SCREEN_MIPI
 743                         || screen->type == SCREEN_DUAL_MIPI) {
 744                         if (dev_drv->trsm_ops->dsp_pwr_on)
 745                                 dev_drv->trsm_ops->dsp_pwr_on();
 746                 }
 747                 break;
 748         default:
 749                 break;
 750         }
 751
 752         return 0;
 753 }
 754
 755 u32 rk_fb_get_prmry_screen_pixclock(void)
 756 {
 757         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 758
 759         if (unlikely(!dev_drv))
 760                 return 0;
 761         else
 762                 return dev_drv->pixclock;
 763 }
 764
 765 int rk_fb_poll_prmry_screen_vblank(void)
 766 {
 767         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 768
 769         if (likely(dev_drv)) {
 770                 if (dev_drv->ops->poll_vblank)
 771                         return dev_drv->ops->poll_vblank(dev_drv);
 772                 else
 773                         return RK_LF_STATUS_NC;
 774         } else {
 775                 return RK_LF_STATUS_NC;
 776         }
 777 }
 778
 779 bool rk_fb_poll_wait_frame_complete(void)
 780 {
 781         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 782         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 783
 784         if (likely(dev_drv)) {
 785                 if (dev_drv->ops->set_irq_to_cpu)
 786                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 787         }
 788
 789         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 790                 if (likely(dev_drv)) {
 791                         if (dev_drv->ops->set_irq_to_cpu)
 792                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 793                 }
 794                 return false;
 795         }
 796         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 797                 ;
 798         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 799                 ;
 800         if (likely(dev_drv)) {
 801                 if (dev_drv->ops->set_irq_to_cpu)
 802                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 803         }
 804
 805         return true;
 806 }
 807
 808
 809 /* rk_fb_get_sysmmu_device_by_compatible()
 810  * @compt: dts device compatible name
 811  * return value: success: pointer to the device inside of platform device
 812  *               fail: NULL
 813  */
 814 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 815 {
 816         struct device_node *dn = NULL;
 817         struct platform_device *pd = NULL;
 818         struct device *ret = NULL ;
 819
 820         dn = of_find_compatible_node(NULL, NULL, compt);
 821         if (!dn) {
 822                 printk("can't find device node %s \r\n", compt);
 823                 return NULL;
 824         }
 825
 826         pd = of_find_device_by_node(dn);
 827         if (!pd) {
 828                 printk("can't find platform device in device node %s \r\n", compt);
 829                 return  NULL;
 830         }
 831         ret = &pd->dev;
 832
 833         return ret;
 834 }
 835
 836 #ifdef CONFIG_IOMMU_API
 837 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 838 {
 839         dev->archdata.iommu = sysmmu;
 840 }
 841 #else
 842 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 843 {
 844
 845 }
 846 #endif
 847
 848 static int rk_fb_open(struct fb_info *info, int user)
 849 {
 850         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 851         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 852         int win_id;
 853
 854         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 855         fb_par->state++;
 856         /* if this win aready opened ,no need to reopen */
 857         if (dev_drv->win[win_id]->state)
 858                 return 0;
 859         else
 860                 dev_drv->ops->open(dev_drv, win_id, 1);
 861         return 0;
 862 }
 863
 864 static int rk_fb_close(struct fb_info *info, int user)
 865 {
 866         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
 867         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 868         struct rk_lcdc_win *win = NULL;
 869         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 870
 871         if (win_id >= 0) {
 872                 win = dev_drv->win[win_id];
 873                 fb_par->state--;
 874                 if (!fb_par->state) {
 875                         if (fb_par->fb_phy_base > 0)
 876                                 info->fix.smem_start = fb_par->fb_phy_base;
 877                         info->var.xres = dev_drv->screen0->mode.xres;
 878                         info->var.yres = dev_drv->screen0->mode.yres;
 879                         /*
 880                         info->var.grayscale |=
 881                             (info->var.xres << 8) + (info->var.yres << 20);
 882                         */
 883                         info->var.xres_virtual = info->var.xres;
 884                         info->var.yres_virtual = info->var.yres;
 885 #if defined(CONFIG_LOGO_LINUX_BMP)
 886                         info->var.bits_per_pixel = 32;
 887 #else
 888                         info->var.bits_per_pixel = 16;
 889 #endif
 890                         info->fix.line_length =
 891                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 892                         info->var.width = dev_drv->screen0->width;
 893                         info->var.height = dev_drv->screen0->height;
 894                         info->var.pixclock = dev_drv->pixclock;
 895                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 896                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 897                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 898                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 899                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 900                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 901                 }
 902         }
 903
 904         return 0;
 905 }
 906
 907 #if defined(FB_ROATE_BY_KERNEL)
 908
 909 #if defined(CONFIG_RK29_IPP)
 910 static int get_ipp_format(int fmt)
 911 {
 912         int ipp_fmt = IPP_XRGB_8888;
 913         switch (fmt) {
 914         case HAL_PIXEL_FORMAT_RGBX_8888:
 915         case HAL_PIXEL_FORMAT_RGBA_8888:
 916         case HAL_PIXEL_FORMAT_BGRA_8888:
 917         case HAL_PIXEL_FORMAT_RGB_888:
 918                 ipp_fmt = IPP_XRGB_8888;
 919                 break;
 920         case HAL_PIXEL_FORMAT_RGB_565:
 921                 ipp_fmt = IPP_RGB_565;
 922                 break;
 923         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 924                 ipp_fmt = IPP_Y_CBCR_H2V1;
 925                 break;
 926         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 927                 ipp_fmt = IPP_Y_CBCR_H2V2;
 928                 break;
 929         case HAL_PIXEL_FORMAT_YCrCb_444:
 930                 ipp_fmt = IPP_Y_CBCR_H1V1;
 931                 break;
 932         default:
 933                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 934                 break;
 935         }
 936
 937         return ipp_fmt;
 938 }
 939
 940 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 941                           int rotation, int fmt)
 942 {
 943         int align16 = 2;
 944         int align64 = 8;
 945
 946         if (fmt == IPP_XRGB_8888) {
 947                 align16 = 1;
 948                 align64 = 2;
 949         } else if (fmt == IPP_RGB_565) {
 950                 align16 = 1;
 951                 align64 = 4;
 952         } else {
 953                 align16 = 2;
 954                 align64 = 8;
 955         }
 956         align16 -= 1;           /*for YUV, 1 */
 957         align64 -= 1;           /*for YUV, 7 */
 958
 959         if (rotation == IPP_ROT_0) {
 960                 if (fmt > IPP_RGB_565) {
 961                         if ((*dst_w & 1) != 0)
 962                                 *dst_w = *dst_w + 1;
 963                         if ((*dst_h & 1) != 0)
 964                                 *dst_h = *dst_h + 1;
 965                         if (*dst_vir_w < *dst_w)
 966                                 *dst_vir_w = *dst_w;
 967                 }
 968         } else {
 969                 if ((*dst_w & align64) != 0)
 970                         *dst_w = (*dst_w + align64) & (~align64);
 971                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 972                         *dst_h = *dst_h + 1;
 973                 if (*dst_vir_w < *dst_w)
 974                         *dst_vir_w = *dst_w;
 975         }
 976 }
 977
 978 static void fb_copy_by_ipp(struct fb_info *dst_info,
 979                                 struct fb_info *src_info)
 980 {
 981         struct rk29_ipp_req ipp_req;
 982         uint32_t rotation = 0;
 983         int dst_w, dst_h, dst_vir_w;
 984         int ipp_fmt;
 985         u8 data_format = (dst_info->var.nonstd) & 0xff;
 986         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
 987         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
 988         u16 orientation = ext_dev_drv->rotate_mode;
 989
 990         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 991
 992         switch (orientation) {
 993         case 0:
 994                 rotation = IPP_ROT_0;
 995                 break;
 996         case ROTATE_90:
 997                 rotation = IPP_ROT_90;
 998                 break;
 999         case ROTATE_180:
1000                 rotation = IPP_ROT_180;
1001                 break;
1002         case ROTATE_270:
1003                 rotation = IPP_ROT_270;
1004                 break;
1005         default:
1006                 rotation = IPP_ROT_270;
1007                 break;
1008         }
1009
1010         dst_w = dst_info->var.xres;
1011         dst_h = dst_info->var.yres;
1012         dst_vir_w = dst_info->var.xres_virtual;
1013         ipp_fmt = get_ipp_format(data_format);
1014         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1015         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1016         ipp_req.src0.w = src_info->var.xres;
1017         ipp_req.src0.h = src_info->var.yres;
1018         ipp_req.src_vir_w = src_info->var.xres_virtual;
1019         ipp_req.src0.fmt = ipp_fmt;
1020
1021         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1022         ipp_req.dst0.w = dst_w;
1023         ipp_req.dst0.h = dst_h;
1024         ipp_req.dst_vir_w = dst_vir_w;
1025         ipp_req.dst0.fmt = ipp_fmt;
1026
1027         ipp_req.timeout = 100;
1028         ipp_req.flag = rotation;
1029         ipp_blit_sync(&ipp_req);
1030 }
1031
1032 #endif
1033
1034 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1035 static int get_rga_format(int fmt)
1036 {
1037         int rga_fmt = 0;
1038
1039         switch (fmt) {
1040         case XBGR888:
1041                 rga_fmt = RK_FORMAT_RGBX_8888;
1042                 break;
1043         case ABGR888:
1044                 rga_fmt = RK_FORMAT_RGBA_8888;
1045                 break;
1046         case ARGB888:
1047                 rga_fmt = RK_FORMAT_BGRA_8888;
1048                 break;
1049         case RGB888:
1050                 rga_fmt = RK_FORMAT_RGB_888;
1051                 break;
1052         case RGB565:
1053                 rga_fmt = RK_FORMAT_RGB_565;
1054                 break;
1055         case YUV422:
1056                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1057                 break;
1058         case YUV420:
1059                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1060                 break;
1061         default:
1062                 rga_fmt = RK_FORMAT_RGBA_8888;
1063                 break;
1064         }
1065
1066         return rga_fmt;
1067 }
1068
1069 static void rga_win_check(struct rk_lcdc_win *dst_win,
1070                           struct rk_lcdc_win *src_win)
1071 {
1072         int format = 0;
1073
1074         format = get_rga_format(src_win->area[0].format);
1075         /* width and height must be even number */
1076         if (format >= RK_FORMAT_YCbCr_422_SP &&
1077             format <= RK_FORMAT_YCrCb_420_P) {
1078                 if ((src_win->area[0].xact % 2) != 0)
1079                         src_win->area[0].xact += 1;
1080                 if ((src_win->area[0].yact % 2) != 0)
1081                         src_win->area[0].yact += 1;
1082         }
1083         if (src_win->area[0].xvir < src_win->area[0].xact)
1084                 src_win->area[0].xvir = src_win->area[0].xact;
1085         if (src_win->area[0].yvir < src_win->area[0].yact)
1086                 src_win->area[0].yvir = src_win->area[0].yact;
1087
1088         format = get_rga_format(dst_win->area[0].format);
1089         if (format >= RK_FORMAT_YCbCr_422_SP &&
1090             format <= RK_FORMAT_YCrCb_420_P) {
1091                 if ((dst_win->area[0].xact % 2) != 0)
1092                         dst_win->area[0].xact += 1;
1093                 if ((dst_win->area[0].yact % 2) != 0)
1094                         dst_win->area[0].yact += 1;
1095         }
1096         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1097                 dst_win->area[0].xvir = dst_win->area[0].xact;
1098         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1099                 dst_win->area[0].yvir = dst_win->area[0].yact;
1100 }
1101
1102 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1103                             struct rk_lcdc_win *src_win,
1104                             u16 orientation, int iommu_en)
1105 {
1106         struct rga_req Rga_Request;
1107         long ret = 0;
1108         /* int fd = 0; */
1109
1110         memset(&Rga_Request, 0, sizeof(Rga_Request));
1111         rga_win_check(dst_win, src_win);
1112
1113         switch (orientation) {
1114         case ROTATE_90:
1115                 Rga_Request.rotate_mode = 1;
1116                 Rga_Request.sina = 65536;
1117                 Rga_Request.cosa = 0;
1118                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1119                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1120                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1121                 Rga_Request.dst.y_offset = 0;
1122                 break;
1123         case ROTATE_180:
1124                 Rga_Request.rotate_mode = 1;
1125                 Rga_Request.sina = 0;
1126                 Rga_Request.cosa = -65536;
1127                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1128                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1129                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1130                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1131                 break;
1132         case ROTATE_270:
1133                 Rga_Request.rotate_mode = 1;
1134                 Rga_Request.sina = -65536;
1135                 Rga_Request.cosa = 0;
1136                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1137                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1138                 Rga_Request.dst.x_offset = 0;
1139                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1140                 break;
1141         default:
1142                 Rga_Request.rotate_mode = 0;
1143                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1144                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1145                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1146                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1147                 break;
1148         }
1149
1150 /*
1151         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1152         Rga_Request.src.yrgb_addr = fd;
1153         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1154         Rga_Request.dst.yrgb_addr = fd;
1155 */
1156         Rga_Request.src.yrgb_addr = 0;
1157         Rga_Request.src.uv_addr =
1158             src_win->area[0].smem_start + src_win->area[0].y_offset;
1159         Rga_Request.src.v_addr = 0;
1160
1161         Rga_Request.dst.yrgb_addr = 0;
1162         Rga_Request.dst.uv_addr =
1163             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1164         Rga_Request.dst.v_addr = 0;
1165
1166         Rga_Request.src.vir_w = src_win->area[0].xvir;
1167         Rga_Request.src.vir_h = src_win->area[0].yvir;
1168         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1169         Rga_Request.src.act_w = src_win->area[0].xact;
1170         Rga_Request.src.act_h = src_win->area[0].yact;
1171         Rga_Request.src.x_offset = 0;
1172         Rga_Request.src.y_offset = 0;
1173
1174         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1175         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1176         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1177
1178         Rga_Request.clip.xmin = 0;
1179         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1180         Rga_Request.clip.ymin = 0;
1181         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1182         Rga_Request.scale_mode = 0;
1183 #if defined(CONFIG_ROCKCHIP_IOMMU)
1184         if (iommu_en) {
1185                 Rga_Request.mmu_info.mmu_en = 1;
1186                 Rga_Request.mmu_info.mmu_flag = 1;
1187         } else {
1188                 Rga_Request.mmu_info.mmu_en = 0;
1189                 Rga_Request.mmu_info.mmu_flag = 0;
1190         }
1191 #else
1192         Rga_Request.mmu_info.mmu_en = 0;
1193         Rga_Request.mmu_info.mmu_flag = 0;
1194 #endif
1195
1196         ret = rga_ioctl_kernel(&Rga_Request);
1197 }
1198
1199 /*
1200  * This function is used for copying fb by RGA Module
1201  * RGA only support copy RGB to RGB
1202  * RGA2 support copy RGB to RGB and YUV to YUV
1203  */
1204 static void fb_copy_by_rga(struct fb_info *dst_info,
1205                                 struct fb_info *src_info)
1206 {
1207         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1208         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1209         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1210         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1211         int win_id = 0, ext_win_id;
1212         struct rk_lcdc_win *src_win, *dst_win;
1213
1214         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1215         src_win = dev_drv->win[win_id];
1216
1217         ext_win_id =
1218             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1219         dst_win = ext_dev_drv->win[ext_win_id];
1220
1221         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1222                         ext_dev_drv->iommu_enabled);
1223 }
1224 #endif
1225
1226 static int rk_fb_rotate(struct fb_info *dst_info,
1227                           struct fb_info *src_info)
1228 {
1229
1230 #if defined(CONFIG_RK29_IPP)
1231         fb_copy_by_ipp(dst_info, src_info);
1232 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1233         fb_copy_by_rga(dst_info, src_info);
1234 #else
1235         return -1;
1236 #endif
1237         return 0;
1238 }
1239
1240 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1241                                             struct rk_lcdc_win *src_win,
1242                                             u16 rotate, int iommu_en)
1243 {
1244 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1245         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1246 #else
1247         return -1;
1248 #endif
1249         return 0;
1250 }
1251
1252 #endif
1253
1254 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1255                              struct fb_info *info)
1256 {
1257         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1258         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1259         struct fb_fix_screeninfo *fix = &info->fix;
1260         int win_id = 0;
1261         struct rk_lcdc_win *win = NULL;
1262         struct rk_screen *screen = dev_drv->cur_screen;
1263         u32 xoffset = var->xoffset;
1264         u32 yoffset = var->yoffset;
1265         u32 xvir = var->xres_virtual;
1266         u8 pixel_width;
1267         u32 vir_width_bit;
1268         u32 stride, uv_stride;
1269         u32 stride_32bit_1;
1270         u32 stride_32bit_2;
1271         u16 uv_x_off, uv_y_off, uv_y_act;
1272         u8 is_pic_yuv = 0;
1273
1274         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1275         if (win_id < 0)
1276                 return -ENODEV;
1277         else
1278                 win = dev_drv->win[win_id];
1279
1280         pixel_width = rk_fb_pixel_width(win->area[0].format);
1281         vir_width_bit = pixel_width * xvir;
1282         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1283         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1284
1285         switch (win->area[0].format) {
1286         case YUV422:
1287         case YUV422_A:
1288                 is_pic_yuv = 1;
1289                 stride = stride_32bit_1;
1290                 uv_stride = stride_32bit_1 >> 1;
1291                 uv_x_off = xoffset >> 1;
1292                 uv_y_off = yoffset;
1293                 fix->line_length = stride;
1294                 uv_y_act = win->area[0].yact >> 1;
1295                 break;
1296         case YUV420:            /* nv12 */
1297         case YUV420_NV21:       /* nv21 */
1298         case YUV420_A:
1299                 is_pic_yuv = 1;
1300                 stride = stride_32bit_1;
1301                 uv_stride = stride_32bit_1;
1302                 uv_x_off = xoffset;
1303                 uv_y_off = yoffset >> 1;
1304                 fix->line_length = stride;
1305                 uv_y_act = win->area[0].yact >> 1;
1306                 break;
1307         case YUV444:
1308         case YUV444_A:
1309                 is_pic_yuv = 1;
1310                 stride = stride_32bit_1;
1311                 uv_stride = stride_32bit_2;
1312                 uv_x_off = xoffset * 2;
1313                 uv_y_off = yoffset;
1314                 fix->line_length = stride << 2;
1315                 uv_y_act = win->area[0].yact;
1316                 break;
1317         default:
1318                 stride = stride_32bit_1;        /* default rgb */
1319                 fix->line_length = stride;
1320                 break;
1321         }
1322
1323         /* x y mirror ,jump line */
1324         if ((screen->y_mirror == 1) ||
1325             (win->mirror_en == 1)) {
1326                 if (screen->interlace == 1) {
1327                         win->area[0].y_offset = yoffset * stride * 2 +
1328                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1329                             xoffset * pixel_width / 8;
1330                 } else {
1331                         win->area[0].y_offset = yoffset * stride +
1332                             (win->area[0].yact - 1) * stride +
1333                             xoffset * pixel_width / 8;
1334                 }
1335         } else {
1336                 if (screen->interlace == 1) {
1337                         win->area[0].y_offset =
1338                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1339                 } else {
1340                         win->area[0].y_offset =
1341                             yoffset * stride + xoffset * pixel_width / 8;
1342                 }
1343         }
1344         if (is_pic_yuv == 1) {
1345                 if ((screen->y_mirror == 1) ||
1346                     (win->mirror_en == 1)) {
1347                         if (screen->interlace == 1) {
1348                                 win->area[0].c_offset =
1349                                     uv_y_off * uv_stride * 2 +
1350                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1351                                     uv_x_off * pixel_width / 8;
1352                         } else {
1353                                 win->area[0].c_offset = uv_y_off * uv_stride +
1354                                     (uv_y_act - 1) * uv_stride +
1355                                     uv_x_off * pixel_width / 8;
1356                         }
1357                 } else {
1358                         if (screen->interlace == 1) {
1359                                 win->area[0].c_offset =
1360                                     uv_y_off * uv_stride * 2 +
1361                                     uv_x_off * pixel_width / 8;
1362                         } else {
1363                                 win->area[0].c_offset =
1364                                     uv_y_off * uv_stride +
1365                                     uv_x_off * pixel_width / 8;
1366                         }
1367                 }
1368         }
1369
1370         win->area[0].smem_start = fix->smem_start;
1371         win->area[0].cbr_start = fix->mmio_start;
1372         win->area[0].state = 1;
1373         win->area_num = 1;
1374
1375         dev_drv->ops->pan_display(dev_drv, win_id);
1376
1377 #ifdef  CONFIG_FB_MIRRORING
1378         if (video_data_to_mirroring)
1379                 video_data_to_mirroring(info, NULL);
1380 #endif
1381         /*if not want the config effect,set reserved[3] bit[0] 1*/
1382         if (likely((var->reserved[3] & 0x1) == 0))
1383                 dev_drv->ops->cfg_done(dev_drv);
1384
1385         return 0;
1386 }
1387
1388 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1389 {
1390         int i, j;
1391
1392         i = list_empty(&dev_drv->update_regs_list);
1393         j = list_empty(&dev_drv->saved_list);
1394         return i == j ? 0 : 1;
1395 }
1396
1397 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1398 {
1399         int err = sync_fence_wait(fence, 1000);
1400
1401         if (err >= 0)
1402                 return;
1403
1404         if (err == -ETIME)
1405                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1406
1407         if (err < 0)
1408                 printk("error waiting on fence\n");
1409 }
1410 #if 0
1411 static int rk_fb_copy_from_loader(struct fb_info *info)
1412 {
1413         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1414         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1415         void *dst = info->screen_base;
1416         u32 dsp_addr[4];
1417         u32 src;
1418         u32 i,size;
1419         int win_id;
1420         struct rk_lcdc_win *win;
1421
1422         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1423         win = dev_drv->win[win_id];
1424         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1425         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1426         src = dsp_addr[win_id];
1427         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1428                  win->area[0].xact, win->area[0].yact, src);
1429         for (i = 0; i < size; i += PAGE_SIZE) {
1430                 void *page = phys_to_page(i + src);
1431                 void *from_virt = kmap(page);
1432                 void *to_virt = dst + i;
1433                 memcpy(to_virt, from_virt, PAGE_SIZE);
1434         }
1435         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1436                                       info->fix.smem_start);
1437         return 0;
1438 }
1439 #endif
1440 #ifdef CONFIG_ROCKCHIP_IOMMU
1441 static int g_last_addr[4];
1442 int g_last_timeout;
1443 u32 freed_addr[10];
1444 u32 freed_index;
1445
1446 #define DUMP_CHUNK 256
1447 char buf[PAGE_SIZE];
1448
1449 int rk_fb_sysmmu_fault_handler(struct device *dev,
1450                                enum rk_iommu_inttype itype,
1451                                unsigned long pgtable_base,
1452                                unsigned long fault_addr, unsigned int status)
1453 {
1454         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1455         int i = 0;
1456         static int page_fault_cnt;
1457         if ((page_fault_cnt++) >= 10)
1458                 return 0;
1459         pr_err
1460             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1461              fault_addr, pgtable_base, status);
1462         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1463                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1464                g_last_addr[2], g_last_addr[3]);
1465         printk("last freed buffer:\n");
1466         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1467                 printk("%d:0x%08x\n", i, freed_addr[i]);
1468         printk("last timeout:%d\n", g_last_timeout);
1469         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1470         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1471                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1472                         char c = buf[i + DUMP_CHUNK];
1473                         buf[i + DUMP_CHUNK] = 0;
1474                         pr_cont("%s", buf + i);
1475                         buf[i + DUMP_CHUNK] = c;
1476                 } else {
1477                         buf[PAGE_SIZE - 1] = 0;
1478                         pr_cont("%s", buf + i);
1479                 }
1480         }
1481
1482         return 0;
1483 }
1484 #endif
1485
1486 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1487                         struct rk_fb_reg_win_data *reg_win_data)
1488 {
1489         int i, index_buf;
1490         struct rk_fb_reg_area_data *area_data;
1491         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1492
1493         for (i = 0; i < reg_win_data->area_num; i++) {
1494                 area_data = &reg_win_data->reg_area_data[i];
1495                 index_buf = area_data->index_buf;
1496 #if defined(CONFIG_ROCKCHIP_IOMMU)
1497                 if (dev_drv->iommu_enabled) {
1498                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1499                              (area_data->ion_handle != NULL))
1500                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1501                                                 area_data->ion_handle);
1502                         freed_addr[freed_index++] = area_data->smem_start;
1503                 }
1504 #endif
1505                 if (area_data->ion_handle != NULL)
1506                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1507
1508                 if (area_data->acq_fence)
1509                         sync_fence_put(area_data->acq_fence);
1510         }
1511         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1512 }
1513
1514 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1515                                 struct rk_lcdc_win *win,
1516                                 struct rk_fb_reg_win_data *reg_win_data)
1517 {
1518         int i = 0;
1519         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1520         struct rk_screen *cur_screen;
1521         struct rk_screen primary_screen;
1522
1523         if (unlikely(!inf) || unlikely(!dev_drv) ||
1524             unlikely(!win) || unlikely(!reg_win_data))
1525                 return;
1526
1527         cur_screen = dev_drv->cur_screen;
1528         rk_fb_get_prmry_screen(&primary_screen);
1529
1530         win->area_num = reg_win_data->area_num;
1531         win->id = reg_win_data->win_id;
1532         win->z_order = reg_win_data->z_order;
1533
1534         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1535                 win->state = 1;
1536                 win->area_num = reg_win_data->area_num;
1537                 win->id = reg_win_data->win_id;
1538                 win->z_order = reg_win_data->z_order;
1539                 win->area[0].uv_vir_stride =
1540                     reg_win_data->reg_area_data[0].uv_vir_stride;
1541                 win->area[0].cbr_start =
1542                     reg_win_data->reg_area_data[0].cbr_start;
1543                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1544                 win->alpha_en = reg_win_data->alpha_en;
1545                 win->alpha_mode = reg_win_data->alpha_mode;
1546                 win->g_alpha_val = reg_win_data->g_alpha_val;
1547                 win->mirror_en = reg_win_data->mirror_en;
1548                 win->area[0].fbdc_en =
1549                         reg_win_data->reg_area_data[0].fbdc_en;
1550                 win->area[0].fbdc_cor_en =
1551                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1552                 win->area[0].fbdc_data_format =
1553                         reg_win_data->reg_area_data[0].fbdc_data_format;
1554                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1555                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1556                                 win->area[i].format =
1557                                         reg_win_data->reg_area_data[i].data_format;
1558                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1559                                         win->area[i].ion_hdl =
1560                                         reg_win_data->reg_area_data[i].ion_handle;
1561                                 win->area[i].smem_start =
1562                                         reg_win_data->reg_area_data[i].smem_start;
1563                                 if (inf->disp_mode == DUAL ||
1564                                     inf->disp_mode == NO_DUAL ||
1565                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1566                                         win->area[i].xpos =
1567                                                 reg_win_data->reg_area_data[i].xpos;
1568                                         win->area[i].ypos =
1569                                                 reg_win_data->reg_area_data[i].ypos;
1570                                         win->area[i].xsize =
1571                                                 reg_win_data->reg_area_data[i].xsize;
1572                                         win->area[i].ysize =
1573                                                 reg_win_data->reg_area_data[i].ysize;
1574                                 } else {
1575                                         win->area[i].xpos =
1576                                                 reg_win_data->reg_area_data[i].xpos *
1577                                                 cur_screen->mode.xres /
1578                                                 primary_screen.mode.xres;
1579                                         win->area[i].ypos =
1580                                                 reg_win_data->reg_area_data[i].ypos *
1581                                                 cur_screen->mode.yres /
1582                                                 primary_screen.mode.yres;
1583                                         win->area[i].xsize =
1584                                                 reg_win_data->reg_area_data[i].xsize *
1585                                                 cur_screen->mode.xres /
1586                                                 primary_screen.mode.xres;
1587                                         win->area[i].ysize =
1588                                                 reg_win_data->reg_area_data[i].ysize *
1589                                                 cur_screen->mode.yres /
1590                                                 primary_screen.mode.yres;
1591
1592                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1593                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1594                                                 if (cur_screen->xsize > 0 &&
1595                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1596                                                         win->area[i].xpos =
1597                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1598                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1599                                                         win->area[i].xsize =
1600                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1601                                                 }
1602                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1603                                                         win->area[i].ypos =
1604                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1605                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1606                                                         win->area[i].ysize =
1607                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1608                                                 }
1609                                         }
1610                                 }
1611                                 win->area[i].xact =
1612                                     reg_win_data->reg_area_data[i].xact;
1613                                 win->area[i].yact =
1614                                     reg_win_data->reg_area_data[i].yact;
1615                                 win->area[i].xvir =
1616                                     reg_win_data->reg_area_data[i].xvir;
1617                                 win->area[i].yvir =
1618                                     reg_win_data->reg_area_data[i].yvir;
1619                                 win->area[i].xoff =
1620                                     reg_win_data->reg_area_data[i].xoff;
1621                                 win->area[i].yoff =
1622                                     reg_win_data->reg_area_data[i].yoff;
1623                                 win->area[i].y_offset =
1624                                     reg_win_data->reg_area_data[i].y_offset;
1625                                 win->area[i].y_vir_stride =
1626                                     reg_win_data->reg_area_data[i].y_vir_stride;
1627                                 win->area[i].state = 1;
1628                         } else {
1629                                 win->area[i].state = 0;
1630                         }
1631                 }
1632         } else {
1633         /*
1634                 win->state = 0;
1635                 win->z_order = -1;
1636         */
1637         }
1638 }
1639
1640 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1641                                                      *regs, int win_id)
1642 {
1643         int i;
1644         struct rk_fb_reg_win_data *win_data = NULL;
1645         for (i = 0; i < regs->win_num; i++) {
1646                 if (regs->reg_win_data[i].win_id == win_id) {
1647                         win_data = &(regs->reg_win_data[i]);
1648                         break;
1649                 }
1650         }
1651
1652         return win_data;
1653 }
1654
1655 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1656                              struct rk_fb_reg_data *regs)
1657 {
1658         int i, j;
1659         struct rk_lcdc_win *win;
1660         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1661         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1662         struct rk_fb_reg_win_data *win_data;
1663         bool wait_for_vsync;
1664         int count = 100;
1665         unsigned int dsp_addr[4];
1666         long timeout;
1667         int win_status = 0;
1668
1669         /* acq_fence wait */
1670         for (i = 0; i < regs->win_num; i++) {
1671                 win_data = &regs->reg_win_data[i];
1672                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1673                         if (win_data->reg_area_data[j].acq_fence) {
1674                                 /* printk("acq_fence wait!!!!!\n"); */
1675                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1676                         }
1677                 }
1678         }
1679
1680         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1681                 win = dev_drv->win[i];
1682                 win_data = rk_fb_get_win_data(regs, i);
1683                 if (win_data) {
1684                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1685                             (win_data->reg_area_data[0].data_format == YUV420 ||
1686                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1687                              win_data->reg_area_data[0].data_format == YUV420_A))
1688                                 continue;
1689                         mutex_lock(&dev_drv->win_config);
1690                         rk_fb_update_win(dev_drv, win, win_data);
1691                         win->state = 1;
1692                         dev_drv->ops->set_par(dev_drv, i);
1693                         dev_drv->ops->pan_display(dev_drv, i);
1694                         mutex_unlock(&dev_drv->win_config);
1695 #if defined(CONFIG_ROCKCHIP_IOMMU)
1696                         if (dev_drv->iommu_enabled) {
1697                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1698                                         win_data->reg_area_data[0].y_offset;
1699                         }
1700 #endif
1701                 } else {
1702                         win->z_order = -1;
1703                         win->state = 0;
1704                 }
1705         }
1706         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1707         dev_drv->ops->cfg_done(dev_drv);
1708
1709         do {
1710                 timestamp = dev_drv->vsync_info.timestamp;
1711                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1712                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1713                                 msecs_to_jiffies(25));
1714
1715                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1716                 wait_for_vsync = false;
1717                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1718                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1719                             (!strcmp(dev_drv->win[i]->name, "hwc")))
1720                                 continue;
1721                         if (dev_drv->win[i]->state == 1) {
1722                                 u32 new_start =
1723                                     dev_drv->win[i]->area[0].smem_start +
1724                                     dev_drv->win[i]->area[0].y_offset;
1725                                 u32 reg_start = dsp_addr[i];
1726
1727                                 if ((rk_fb->disp_policy ==
1728                                      DISPLAY_POLICY_BOX) &&
1729                                     (dev_drv->suspend_flag))
1730                                         continue;
1731                                 if (unlikely(new_start != reg_start)) {
1732                                         wait_for_vsync = true;
1733                                         dev_info(dev_drv->dev,
1734                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1735                                                i, new_start, reg_start, 101 - count);
1736                                         break;
1737                                 }
1738                         } else if (dev_drv->win[i]->state == 0) {
1739                                 if (dev_drv->ops->get_win_state) {
1740                                         win_status =
1741                                         dev_drv->ops->get_win_state(dev_drv, i);
1742                                         if (win_status)
1743                                                wait_for_vsync = true;
1744                                 }
1745                         } else {
1746                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1747                                         i, dev_drv->win[i]->state);
1748                         }
1749                 }
1750         } while (wait_for_vsync && count--);
1751 #ifdef H_USE_FENCE
1752         sw_sync_timeline_inc(dev_drv->timeline, 1);
1753 #endif
1754         if (dev_drv->front_regs) {
1755 #if defined(CONFIG_ROCKCHIP_IOMMU)
1756                 if (dev_drv->iommu_enabled) {
1757                         if (dev_drv->ops->mmu_en)
1758                                 dev_drv->ops->mmu_en(dev_drv);
1759                         freed_index = 0;
1760                         g_last_timeout = timeout;
1761                 }
1762 #endif
1763
1764                 mutex_lock(&dev_drv->front_lock);
1765
1766                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1767                         win_data = &dev_drv->front_regs->reg_win_data[i];
1768                         rk_fb_free_dma_buf(dev_drv, win_data);
1769                 }
1770                 kfree(dev_drv->front_regs);
1771
1772                 mutex_unlock(&dev_drv->front_lock);
1773
1774 #if defined(CONFIG_ROCKCHIP_IOMMU)
1775                 if (dev_drv->iommu_enabled)
1776                         freed_addr[freed_index] = 0xfefefefe;
1777 #endif
1778         }
1779
1780         mutex_lock(&dev_drv->front_lock);
1781
1782         dev_drv->front_regs = regs;
1783
1784         mutex_unlock(&dev_drv->front_lock);
1785 }
1786
1787 static void rk_fb_update_regs_handler(struct kthread_work *work)
1788 {
1789         struct rk_lcdc_driver *dev_drv =
1790             container_of(work, struct rk_lcdc_driver, update_regs_work);
1791         struct rk_fb_reg_data *data, *next;
1792
1793         mutex_lock(&dev_drv->update_regs_list_lock);
1794         dev_drv->saved_list = dev_drv->update_regs_list;
1795         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1796         mutex_unlock(&dev_drv->update_regs_list_lock);
1797
1798         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1799                 rk_fb_update_reg(dev_drv, data);
1800                 list_del(&data->list);
1801         }
1802
1803         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1804                 wake_up(&dev_drv->update_regs_wait);
1805 }
1806
1807 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1808                                   struct rk_screen *screen)
1809 {
1810         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1811             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1812             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1813                 pr_err("check config var fail 0:\n"
1814                        "x_offset=%d,xact=%d,xvir=%d\n",
1815                        area_par->x_offset, area_par->xact, area_par->xvir);
1816                 return -EINVAL;
1817         }
1818
1819         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1820             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1821             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1822                 pr_warn("check config var fail 1:\n"
1823                        "xpos=%d,xsize=%d,xres=%d\n"
1824                        "ypos=%d,ysize=%d,yres=%d\n",
1825                        area_par->xpos, area_par->xsize, screen->mode.xres,
1826                        area_par->ypos, area_par->ysize, screen->mode.yres);
1827                 return -EINVAL;
1828         }
1829         return 0;
1830 }
1831
1832 static int rk_fb_set_win_buffer(struct fb_info *info,
1833                                 struct rk_fb_win_par *win_par,
1834                                 struct rk_fb_reg_win_data *reg_win_data)
1835 {
1836         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1837         struct fb_fix_screeninfo *fix = &info->fix;
1838         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1839         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1840         /*if hdmi size move to hwc,screen should point to cur_screen
1841           otherwise point to screen0[main screen]*/
1842         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1843         struct fb_info *fbi;
1844         int i, ion_fd, acq_fence_fd;
1845         u32 xvir, yvir;
1846         u32 xoffset, yoffset;
1847
1848         struct ion_handle *hdl;
1849         size_t len;
1850         int index_buf;
1851         u8 fb_data_fmt;
1852         u8 pixel_width;
1853         u32 vir_width_bit;
1854         u32 stride, uv_stride;
1855         u32 stride_32bit_1;
1856         u32 stride_32bit_2;
1857         u16 uv_x_off, uv_y_off, uv_y_act;
1858         u8 is_pic_yuv = 0;
1859         u8 ppixel_a = 0, global_a = 0;
1860         ion_phys_addr_t phy_addr;
1861         int ret = 0;
1862         int buff_len;
1863
1864         reg_win_data->reg_area_data[0].smem_start = -1;
1865         reg_win_data->area_num = 0;
1866         fbi = rk_fb->fb[reg_win_data->win_id];
1867         if (win_par->area_par[0].phy_addr == 0) {
1868                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1869                         ion_fd = win_par->area_par[i].ion_fd;
1870                         if (ion_fd > 0) {
1871                                 hdl =
1872                                     ion_import_dma_buf(rk_fb->ion_client,
1873                                                        ion_fd);
1874                                 if (IS_ERR(hdl)) {
1875                                         pr_info("%s: Could not import handle:"
1876                                                 " %ld\n", __func__, (long)hdl);
1877                                         /*return -EINVAL; */
1878                                         break;
1879                                 }
1880                                 reg_win_data->area_num++;
1881                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1882 #ifndef CONFIG_ROCKCHIP_IOMMU
1883                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1884                                                 &len);
1885 #else
1886                                 if (dev_drv->iommu_enabled)
1887                                         ret = ion_map_iommu(dev_drv->dev,
1888                                                                 rk_fb->ion_client,
1889                                                                 hdl,
1890                                                                 (unsigned long *)&phy_addr,
1891                                                                 (unsigned long *)&len);
1892                                 else
1893                                         ret = ion_phys(rk_fb->ion_client, hdl,
1894                                                         &phy_addr, &len);
1895 #endif
1896                                 if (ret < 0) {
1897                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1898                                         ion_free(rk_fb->ion_client, hdl);
1899                                         return -ENOMEM;
1900                                 }
1901                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1902                                 reg_win_data->area_buf_num++;
1903                                 reg_win_data->reg_area_data[i].index_buf = 1;
1904                                 reg_win_data->reg_area_data[i].buff_len = len;
1905                         }
1906                 }
1907         } else {
1908                 reg_win_data->reg_area_data[0].smem_start =
1909                     win_par->area_par[0].phy_addr;
1910                 reg_win_data->area_num = 1;
1911                 reg_win_data->area_buf_num++;
1912                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1913         }
1914
1915         if (reg_win_data->area_num == 0)
1916                 return 0;
1917
1918         for (i = 0; i < reg_win_data->area_num; i++) {
1919                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1920                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1921                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1922                         reg_win_data->reg_area_data[i].acq_fence =
1923                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1924                 }
1925         }
1926         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1927                 reg_win_data->z_order = win_par->z_order;
1928                 reg_win_data->win_id = win_par->win_id;
1929         } else {
1930                 reg_win_data->z_order = -1;
1931                 reg_win_data->win_id = -1;
1932         }
1933
1934         reg_win_data->mirror_en = win_par->mirror_en;
1935         for (i = 0; i < reg_win_data->area_num; i++) {
1936                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1937
1938                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1939                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1940                 if (fb_data_fmt >= FBDC_RGB_565) {
1941                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1942                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1943                 } else {
1944                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1945                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1946                 }
1947                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1948
1949                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1950                              (fb_data_fmt == FBDC_ARGB_888) ||
1951                              (fb_data_fmt == FBDC_ABGR_888) ||
1952                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1953                 /* visiable pos in panel */
1954                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1955                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1956
1957                 /* realy size in panel */
1958                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1959                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1960
1961                 /* realy size in panel */
1962                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1963                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1964
1965                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1966                 yoffset = win_par->area_par[i].y_offset;
1967                 reg_win_data->reg_area_data[i].xoff = xoffset;
1968                 reg_win_data->reg_area_data[i].yoff = yoffset;
1969
1970                 xvir = win_par->area_par[i].xvir;
1971                 reg_win_data->reg_area_data[i].xvir = xvir;
1972                 yvir = win_par->area_par[i].yvir;
1973                 reg_win_data->reg_area_data[i].yvir = yvir;
1974
1975                 vir_width_bit = pixel_width * xvir;
1976                 /* pixel_width = byte_num*8 */
1977                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1978                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1979
1980                 stride = stride_32bit_1;        /* default rgb */
1981                 fix->line_length = stride;
1982                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1983
1984                 /* x y mirror ,jump line
1985                  * reg_win_data->reg_area_data[i].y_offset =
1986                  *              yoffset*stride+xoffset*pixel_width/8;
1987                  */
1988                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1989                         if (screen->interlace == 1) {
1990                                 reg_win_data->reg_area_data[i].y_offset =
1991                                     yoffset * stride * 2 +
1992                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1993                                     xoffset * pixel_width / 8;
1994                         } else {
1995                                 reg_win_data->reg_area_data[i].y_offset =
1996                                     yoffset * stride +
1997                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1998                                     xoffset * pixel_width / 8;
1999                         }
2000                 } else {
2001                         if (screen->interlace == 1) {
2002                                 reg_win_data->reg_area_data[i].y_offset =
2003                                     yoffset * stride * 2 +
2004                                     xoffset * pixel_width / 8;
2005                         } else {
2006                                 reg_win_data->reg_area_data[i].y_offset =
2007                                     yoffset * stride +
2008                                     xoffset * pixel_width / 8;
2009                         }
2010                 }
2011                 if ((fb_data_fmt != YUV420) &&
2012                     (fb_data_fmt != YUV420_NV21) &&
2013                     (fb_data_fmt != YUV422) &&
2014                     (fb_data_fmt != YUV444)) {
2015                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2016                                 reg_win_data->reg_area_data[i].xvir *
2017                                 reg_win_data->reg_area_data[i].yact *
2018                                 pixel_width / 8 -
2019                                 reg_win_data->reg_area_data[i].xoff*
2020                                 pixel_width / 8;
2021                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2022                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2023                                        "yact[%d]*bpp[%d]"
2024                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2025                                        fb_data_fmt,
2026                                        reg_win_data->reg_area_data[i].xvir,
2027                                        reg_win_data->reg_area_data[i].yact,
2028                                        pixel_width, buff_len,
2029                                        reg_win_data->reg_area_data[i].buff_len);
2030                 }
2031         }
2032
2033         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2034         reg_win_data->alpha_en = ppixel_a | global_a;
2035         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2036         reg_win_data->alpha_mode = win_par->alpha_mode;
2037
2038         switch (fb_data_fmt) {
2039         case YUV422:
2040         case YUV422_A:
2041                 is_pic_yuv = 1;
2042                 stride = stride_32bit_1;
2043                 uv_stride = stride_32bit_1 >> 1;
2044                 uv_x_off = xoffset >> 1;
2045                 uv_y_off = yoffset;
2046                 fix->line_length = stride;
2047                 uv_y_act = win_par->area_par[0].yact >> 1;
2048                 break;
2049         case YUV420:            /* nv12 */
2050         case YUV420_NV21:       /* nv21 */
2051         case YUV420_A:
2052                 is_pic_yuv = 1;
2053                 stride = stride_32bit_1;
2054                 uv_stride = stride_32bit_1;
2055                 uv_x_off = xoffset;
2056                 uv_y_off = yoffset >> 1;
2057                 fix->line_length = stride;
2058                 uv_y_act = win_par->area_par[0].yact >> 1;
2059                 break;
2060         case YUV444:
2061         case YUV444_A:
2062                 is_pic_yuv = 1;
2063                 stride = stride_32bit_1;
2064                 uv_stride = stride_32bit_2;
2065                 uv_x_off = xoffset * 2;
2066                 uv_y_off = yoffset;
2067                 fix->line_length = stride << 2;
2068                 uv_y_act = win_par->area_par[0].yact;
2069                 break;
2070         default:
2071                 break;
2072         }
2073         if (is_pic_yuv == 1) {
2074                 reg_win_data->reg_area_data[0].cbr_start =
2075                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2076                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2077                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2078                         if (screen->interlace == 1) {
2079                                 reg_win_data->reg_area_data[0].c_offset =
2080                                     uv_y_off * uv_stride * 2 +
2081                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2082                                     uv_x_off * pixel_width / 8;
2083                         } else {
2084                                 reg_win_data->reg_area_data[0].c_offset =
2085                                     uv_y_off * uv_stride +
2086                                     (uv_y_act - 1) * uv_stride +
2087                                     uv_x_off * pixel_width / 8;
2088                         }
2089                 } else {
2090                         if (screen->interlace == 1) {
2091                                 reg_win_data->reg_area_data[0].c_offset =
2092                                     uv_y_off * uv_stride * 2 +
2093                                     uv_x_off * pixel_width / 8;
2094                         } else {
2095                                 reg_win_data->reg_area_data[0].c_offset =
2096                                     uv_y_off * uv_stride +
2097                                     uv_x_off * pixel_width / 8;
2098                         }
2099                 }
2100                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2101                         reg_win_data->reg_area_data[0].c_offset +
2102                         reg_win_data->reg_area_data[0].xvir *
2103                         reg_win_data->reg_area_data[0].yact *
2104                         pixel_width / 16 -
2105                         reg_win_data->reg_area_data[0].smem_start -
2106                         reg_win_data->reg_area_data[0].xoff*
2107                         pixel_width / 16 ;
2108                 if (buff_len > reg_win_data->reg_area_data[0].buff_len)
2109                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2110                                "yact[%d]*bpp[%d]"
2111                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2112                                fb_data_fmt,
2113                                reg_win_data->reg_area_data[0].xvir,
2114                                reg_win_data->reg_area_data[0].yact,
2115                                pixel_width, buff_len,
2116                                reg_win_data->reg_area_data[0].buff_len);
2117         }
2118
2119         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2120          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2121          */
2122         info->var.yoffset = yoffset;
2123         info->var.xoffset = xoffset;
2124         return 0;
2125 }
2126
2127 static int rk_fb_set_win_config(struct fb_info *info,
2128                                 struct rk_fb_win_cfg_data *win_data)
2129 {
2130         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2131         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2132         struct rk_fb_reg_data *regs;
2133 #ifdef H_USE_FENCE
2134         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2135         struct sync_fence *retire_fence;
2136         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2137         struct sync_pt *retire_sync_pt;
2138         char fence_name[20];
2139 #endif
2140         int ret = 0, i, j = 0;
2141         int list_is_empty = 0;
2142
2143         if (dev_drv->suspend_flag) {
2144                 dev_drv->timeline_max++;
2145                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2146                 return 0;
2147         }
2148
2149         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2150         if (!regs) {
2151                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2152                 ret = -ENOMEM;
2153                 return ret;
2154         }
2155
2156 /*
2157         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2158         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2159         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2160         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2161 */
2162
2163         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2164                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2165                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2166                                                         &regs->reg_win_data[j]))
2167                                 return -ENOMEM;
2168                         if (regs->reg_win_data[j].area_num > 0) {
2169                                 regs->win_num++;
2170                                 regs->buf_num +=
2171                                     regs->reg_win_data[j].area_buf_num;
2172                         }
2173                         j++;
2174                 } else {
2175                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2176                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2177                                win_data->win_par[i].win_id);
2178                 }
2179         }
2180
2181         mutex_lock(&dev_drv->output_lock);
2182
2183         dev_drv->timeline_max++;
2184 #ifdef H_USE_FENCE
2185         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2186                 if (i < regs->buf_num) {
2187                         sprintf(fence_name, "fence%d", i);
2188                         win_data->rel_fence_fd[i] = get_unused_fd();
2189                         if (win_data->rel_fence_fd[i] < 0) {
2190                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2191                                        win_data->rel_fence_fd[i]);
2192                                 ret = -EFAULT;
2193                                 goto err;
2194                         }
2195                         release_sync_pt[i] =
2196                             sw_sync_pt_create(dev_drv->timeline,
2197                                               dev_drv->timeline_max);
2198                         release_fence[i] =
2199                             sync_fence_create(fence_name, release_sync_pt[i]);
2200                         sync_fence_install(release_fence[i],
2201                                            win_data->rel_fence_fd[i]);
2202                 } else {
2203                         win_data->rel_fence_fd[i] = -1;
2204                 }
2205         }
2206
2207         win_data->ret_fence_fd = get_unused_fd();
2208         if (win_data->ret_fence_fd < 0) {
2209                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2210                 win_data->ret_fence_fd = -1;
2211                 ret = -EFAULT;
2212                 goto err;
2213         }
2214         retire_sync_pt =
2215             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2216         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2217         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2218 #else
2219         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2220                 win_data->rel_fence_fd[i] = -1;
2221
2222         win_data->ret_fence_fd = -1;
2223 #endif
2224         if (dev_drv->wait_fs == 0) {
2225                 mutex_lock(&dev_drv->update_regs_list_lock);
2226                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2227                 mutex_unlock(&dev_drv->update_regs_list_lock);
2228                 queue_kthread_work(&dev_drv->update_regs_worker,
2229                                    &dev_drv->update_regs_work);
2230         } else {
2231                 mutex_lock(&dev_drv->update_regs_list_lock);
2232                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2233                                         list_empty(&dev_drv->saved_list);
2234                 mutex_unlock(&dev_drv->update_regs_list_lock);
2235                 if (!list_is_empty) {
2236                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2237                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2238                                 msecs_to_jiffies(60));
2239                         if (ret > 0)
2240                                 rk_fb_update_reg(dev_drv, regs);
2241                         else
2242                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2243                 } else if (ret == 0) {
2244                         rk_fb_update_reg(dev_drv, regs);
2245                 }
2246         }
2247
2248 err:
2249         mutex_unlock(&dev_drv->output_lock);
2250         return ret;
2251 }
2252
2253 #if 1
2254 static int cfgdone_distlist[10] = { 0 };
2255
2256 static int cfgdone_index;
2257 static int cfgdone_lasttime;
2258
2259 int rk_get_real_fps(int before)
2260 {
2261         struct timespec now;
2262         int dist_curr;
2263         int dist_total = 0;
2264         int dist_count = 0;
2265         int dist_first = 0;
2266
2267         int index = cfgdone_index;
2268         int i = 0, fps = 0;
2269         int total;
2270
2271         if (before > 100)
2272                 before = 100;
2273         if (before < 0)
2274                 before = 0;
2275
2276         getnstimeofday(&now);
2277         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2278                         cfgdone_lasttime;
2279         total = dist_curr;
2280         /*
2281            printk("fps: ");
2282          */
2283         for (i = 0; i < 10; i++) {
2284                 if (--index < 0)
2285                         index = 9;
2286                 total += cfgdone_distlist[index];
2287                 if (i == 0)
2288                         dist_first = cfgdone_distlist[index];
2289                 if (total < (before * 1000)) {
2290                         /*
2291                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2292                          */
2293                         dist_total += cfgdone_distlist[index];
2294                         dist_count++;
2295                 } else {
2296                         break;
2297                 }
2298         }
2299
2300         /*
2301            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2302          */
2303         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2304         dist_total += dist_curr;
2305         dist_count++;
2306
2307         if (dist_total > 0)
2308                 fps = (1000000 * dist_count) / dist_total;
2309         else
2310                 fps = 60;
2311
2312         /*
2313            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2314          */
2315         return fps;
2316 }
2317 EXPORT_SYMBOL(rk_get_real_fps);
2318
2319 #endif
2320 #ifdef CONFIG_ROCKCHIP_IOMMU
2321 #define ION_MAX 10
2322 static struct ion_handle *ion_hanle[ION_MAX];
2323 static struct ion_handle *ion_hwc[1];
2324 #endif
2325 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2326                        unsigned long arg)
2327 {
2328         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2329         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2330         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2331         struct fb_fix_screeninfo *fix = &info->fix;
2332         struct rk_lcdc_win *win;
2333         int enable;     /* enable fb:1 enable;0 disable */
2334         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2335         int num_buf;    /* buffer_number */
2336         int ret;
2337         struct rk_fb_win_cfg_data win_data;
2338         unsigned int dsp_addr[4];
2339         int list_stat;
2340
2341         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2342
2343         void __user *argp = (void __user *)arg;
2344         win = dev_drv->win[win_id];
2345
2346         switch (cmd) {
2347         case RK_FBIOSET_HWC_ADDR:
2348         {
2349                 u32 hwc_phy[1];
2350                 if (copy_from_user(hwc_phy, argp, 4))
2351                         return -EFAULT;
2352 #ifdef CONFIG_ROCKCHIP_IOMMU
2353                 if (!dev_drv->iommu_enabled) {
2354 #endif
2355                         fix->smem_start = hwc_phy[0];
2356 #ifdef CONFIG_ROCKCHIP_IOMMU
2357                 } else {
2358                         int usr_fd;
2359                         struct ion_handle *hdl;
2360                         ion_phys_addr_t phy_addr;
2361                         size_t len;
2362
2363                         usr_fd = hwc_phy[0];
2364                         if (!usr_fd) {
2365                                 fix->smem_start = 0;
2366                                 fix->mmio_start = 0;
2367                                 dev_drv->ops->open(dev_drv, win_id, 0);
2368                                 break;
2369                         }
2370
2371                         if (ion_hwc[0] != 0) {
2372                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2373                                 ion_hwc[0] = 0;
2374                         }
2375
2376                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2377                         if (IS_ERR(hdl)) {
2378                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2379                                         PTR_ERR(hdl));
2380                                 return -EFAULT;
2381                         }
2382
2383                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2384                                                 (unsigned long *)&phy_addr,
2385                                                 (unsigned long *)&len);
2386                         if (ret < 0) {
2387                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2388                                 ion_free(rk_fb->ion_client, hdl);
2389                                 return -ENOMEM;
2390                         }
2391                         fix->smem_start = phy_addr;
2392                         ion_hwc[0] = hdl;
2393                 }
2394 #endif
2395                 break;
2396         }
2397         case RK_FBIOSET_YUV_ADDR:
2398                 {
2399                         u32 yuv_phy[2];
2400
2401                         if (copy_from_user(yuv_phy, argp, 8))
2402                                 return -EFAULT;
2403                         #ifdef CONFIG_ROCKCHIP_IOMMU
2404                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2405                         #endif
2406                                 fix->smem_start = yuv_phy[0];
2407                                 fix->mmio_start = yuv_phy[1];
2408                         #ifdef CONFIG_ROCKCHIP_IOMMU
2409                         } else {
2410                                 int usr_fd, offset, tmp;
2411                                 struct ion_handle *hdl;
2412                                 ion_phys_addr_t phy_addr;
2413                                 size_t len;
2414
2415                                 usr_fd = yuv_phy[0];
2416                                 offset = yuv_phy[1] - yuv_phy[0];
2417                                 if (!usr_fd) {
2418                                         fix->smem_start = 0;
2419                                         fix->mmio_start = 0;
2420                                         break;
2421                                 }
2422
2423                                 if (ion_hanle[ION_MAX - 1] != 0) {
2424                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2425                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2426                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2427                                         ion_hanle[ION_MAX - 1] = 0;
2428                                 }
2429
2430                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2431                                 if (IS_ERR(hdl)) {
2432                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2433                                                 PTR_ERR(hdl));
2434                                         return -EFAULT;
2435                                 }
2436
2437                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2438                                                         (unsigned long *)&phy_addr,
2439                                                         (unsigned long *)&len);
2440                                 if (ret < 0) {
2441                                         dev_err(info->dev, "ion map to get phy addr failed");
2442                                         ion_free(rk_fb->ion_client, hdl);
2443                                         return -ENOMEM;
2444                                 }
2445                                 fix->smem_start = phy_addr;
2446                                 fix->mmio_start = phy_addr + offset;
2447                                 fix->smem_len = len;
2448                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2449
2450                                 ion_hanle[0] = hdl;
2451                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2452                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2453                                 ion_hanle[0] = 0;
2454                         }
2455                         #endif
2456                         break;
2457                 }
2458         case RK_FBIOSET_ENABLE:
2459                 if (copy_from_user(&enable, argp, sizeof(enable)))
2460                         return -EFAULT;
2461                                 if (enable)
2462                                         fb_par->state++;
2463                                 else
2464                                         fb_par->state--;
2465                 dev_drv->ops->open(dev_drv, win_id, enable);
2466                 break;
2467         case RK_FBIOGET_ENABLE:
2468                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2469                 if (copy_to_user(argp, &enable, sizeof(enable)))
2470                         return -EFAULT;
2471                 break;
2472         case RK_FBIOSET_OVERLAY_STA:
2473                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2474                         return -EFAULT;
2475                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2476                 break;
2477         case RK_FBIOGET_OVERLAY_STA:
2478                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2479                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2480                         return -EFAULT;
2481                 break;
2482         case RK_FBIOPUT_NUM_BUFFERS:
2483                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2484                         return -EFAULT;
2485                 dev_drv->num_buf = num_buf;
2486                 break;
2487         case RK_FBIOSET_VSYNC_ENABLE:
2488                 if (copy_from_user(&enable, argp, sizeof(enable)))
2489                         return -EFAULT;
2490                 dev_drv->vsync_info.active = enable;
2491                 break;
2492
2493         case RK_FBIOGET_DSP_ADDR:
2494                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2495                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2496                         return -EFAULT;
2497                 break;
2498         case RK_FBIOGET_LIST_STA:
2499                 list_stat = rk_fb_get_list_stat(dev_drv);
2500                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2501                         return -EFAULT;
2502
2503                 break;
2504         case RK_FBIOGET_IOMMU_STA:
2505                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2506                                  sizeof(dev_drv->iommu_enabled)))
2507                         return -EFAULT;
2508                 break;
2509 #if defined(CONFIG_ION_ROCKCHIP)
2510         case RK_FBIOSET_DMABUF_FD:
2511                 {
2512                         int usr_fd;
2513                         struct ion_handle *hdl;
2514                         ion_phys_addr_t phy_addr;
2515                         size_t len;
2516                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2517                                 return -EFAULT;
2518                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2519                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2520                         fix->smem_start = phy_addr;
2521                         break;
2522                 }
2523         case RK_FBIOGET_DMABUF_FD:
2524                 {
2525                         int fd = -1;
2526
2527                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2528                                 dev_err(info->dev,
2529                                         "get dma_buf fd failed,ion handle is err\n");
2530                                 return PTR_ERR(fb_par->ion_hdl);
2531                         }
2532                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2533                                                   fb_par->ion_hdl);
2534                         if (fd < 0) {
2535                                 dev_err(info->dev,
2536                                         "ion_share_dma_buf_fd failed\n");
2537                                 return fd;
2538                         }
2539                         if (copy_to_user(argp, &fd, sizeof(fd)))
2540                                 return -EFAULT;
2541                         break;
2542                 }
2543 #endif
2544         case RK_FBIOSET_CLEAR_FB:
2545                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2546                 break;
2547         case RK_FBIOSET_CONFIG_DONE:
2548                 {
2549                         int curr = 0;
2550                         struct timespec now;
2551
2552                         getnstimeofday(&now);
2553                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2554                         cfgdone_distlist[cfgdone_index++] =
2555                             curr - cfgdone_lasttime;
2556                         /*
2557                            printk("%d ", curr - cfgdone_lasttime);
2558                          */
2559                         cfgdone_lasttime = curr;
2560                         if (cfgdone_index >= 10)
2561                                 cfgdone_index = 0;
2562                 }
2563                 if (copy_from_user(&win_data,
2564                                    (struct rk_fb_win_cfg_data __user *)argp,
2565                                    sizeof(win_data))) {
2566                         ret = -EFAULT;
2567                         break;
2568                 };
2569
2570                 dev_drv->wait_fs = win_data.wait_fs;
2571                 rk_fb_set_win_config(info, &win_data);
2572
2573                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2574                                  &win_data, sizeof(win_data))) {
2575                         ret = -EFAULT;
2576                         break;
2577                 }
2578                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2579                 break;
2580         default:
2581                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2582                 break;
2583         }
2584
2585         return 0;
2586 }
2587
2588 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2589 {
2590         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2591         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2592         struct fb_fix_screeninfo *fix = &info->fix;
2593         int win_id;
2594 #if defined(CONFIG_RK_HDMI)
2595         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2596 #endif
2597
2598         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2599         if (win_id < 0)
2600                 return -ENODEV;
2601 #if defined(CONFIG_RK_HDMI)
2602         if ((rk_fb->disp_mode == ONE_DUAL) &&
2603             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2604                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2605         } else
2606 #endif
2607         {
2608                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2609         }
2610         return 0;
2611 }
2612
2613 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2614 {
2615         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2616             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2617             ((16 != var->bits_per_pixel) &&
2618             (32 != var->bits_per_pixel) &&
2619             (24 != var->bits_per_pixel))) {
2620                 dev_err(info->dev, "%s check var fail 1:\n"
2621                         "xres_vir:%d>>yres_vir:%d\n"
2622                         "xres:%d>>yres:%d\n"
2623                         "bits_per_pixel:%d\n",
2624                         info->fix.id,
2625                         var->xres_virtual,
2626                         var->yres_virtual,
2627                         var->xres, var->yres, var->bits_per_pixel);
2628                 return -EINVAL;
2629         }
2630
2631         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2632             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2633                 dev_err(info->dev, "%s check_var fail 2:\n"
2634                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2635                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2636                         info->fix.id,
2637                         var->xoffset,
2638                         var->xres,
2639                         var->xres_virtual,
2640                         var->yoffset, var->yres, var->yres_virtual);
2641                 return -EINVAL;
2642         }
2643
2644         return 0;
2645 }
2646
2647 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2648                           size_t count, loff_t *ppos)
2649 {
2650         unsigned long p = *ppos;
2651         u8 *buffer, *dst;
2652         u8 __iomem *src;
2653         int c, cnt = 0, err = 0;
2654         unsigned long total_size;
2655         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2656         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2657         struct rk_lcdc_win *win = NULL;
2658         int win_id = 0;
2659
2660         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2661         if (win_id < 0)
2662                 return -ENODEV;
2663         else
2664                 win = dev_drv->win[win_id];
2665
2666         /* only read the current frame buffer */
2667         if (win->area[0].format == RGB565) {
2668                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2669         } else if ((win->area[0].format == YUV420) ||
2670                    (win->area[0].format == YUV420_NV21)) {
2671                 total_size =
2672                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2673         } else {
2674                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2675         }
2676         if (p >= total_size)
2677                 return 0;
2678
2679         if (count >= total_size)
2680                 count = total_size;
2681
2682         if (count + p > total_size)
2683                 count = total_size - p;
2684
2685         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2686         if (!buffer)
2687                 return -ENOMEM;
2688
2689         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2690
2691         while (count) {
2692                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2693                 dst = buffer;
2694                 fb_memcpy_fromfb(dst, src, c);
2695                 dst += c;
2696                 src += c;
2697
2698                 if (copy_to_user(buf, buffer, c)) {
2699                         err = -EFAULT;
2700                         break;
2701                 }
2702                 *ppos += c;
2703                 buf += c;
2704                 cnt += c;
2705                 count -= c;
2706         }
2707
2708         kfree(buffer);
2709
2710         return (err) ? err : cnt;
2711 }
2712
2713 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2714                            size_t count, loff_t *ppos)
2715 {
2716         unsigned long p = *ppos;
2717         u8 *buffer, *src;
2718         u8 __iomem *dst;
2719         int c, cnt = 0, err = 0;
2720         unsigned long total_size;
2721         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2722         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2723         struct rk_lcdc_win *win = NULL;
2724         int win_id = 0;
2725
2726         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2727         if (win_id < 0)
2728                 return -ENODEV;
2729         else
2730                 win = dev_drv->win[win_id];
2731
2732         /* write the current frame buffer */
2733         if (win->area[0].format == RGB565)
2734                 total_size = win->area[0].xact * win->area[0].yact << 1;
2735         else
2736                 total_size = win->area[0].xact * win->area[0].yact << 2;
2737
2738         if (p > total_size)
2739                 return -EFBIG;
2740
2741         if (count > total_size) {
2742                 err = -EFBIG;
2743                 count = total_size;
2744         }
2745
2746         if (count + p > total_size) {
2747                 if (!err)
2748                         err = -ENOSPC;
2749
2750                 count = total_size - p;
2751         }
2752
2753         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2754         if (!buffer)
2755                 return -ENOMEM;
2756
2757         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2758
2759         while (count) {
2760                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2761                 src = buffer;
2762
2763                 if (copy_from_user(src, buf, c)) {
2764                         err = -EFAULT;
2765                         break;
2766                 }
2767
2768                 fb_memcpy_tofb(dst, src, c);
2769                 dst += c;
2770                 src += c;
2771                 *ppos += c;
2772                 buf += c;
2773                 cnt += c;
2774                 count -= c;
2775         }
2776
2777         kfree(buffer);
2778
2779         return (cnt) ? cnt : err;
2780 }
2781
2782 static int rk_fb_set_par(struct fb_info *info)
2783 {
2784         struct fb_var_screeninfo *var = &info->var;
2785         struct fb_fix_screeninfo *fix = &info->fix;
2786         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2787         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2788         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2789         struct rk_lcdc_win *win = NULL;
2790         struct rk_screen *screen = dev_drv->cur_screen;
2791         int win_id = 0;
2792         u32 cblen = 0, crlen = 0;
2793         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2794         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2795         u32 yoffset = var->yoffset;
2796         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2797         u16 ypos = (var->nonstd >> 20) & 0xfff;
2798         u32 xvir = var->xres_virtual;
2799         u32 yvir = var->yres_virtual;
2800         u8 data_format = var->nonstd & 0xff;
2801         u8 fb_data_fmt;
2802         u8 pixel_width;
2803         u32 vir_width_bit;
2804         u32 stride, uv_stride;
2805         u32 stride_32bit_1;
2806         u32 stride_32bit_2;
2807         u16 uv_x_off, uv_y_off, uv_y_act;
2808         u8 is_pic_yuv = 0;
2809         /*var->pixclock = dev_drv->pixclock;*/
2810         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2811         if (win_id < 0)
2812                 return -ENODEV;
2813         else
2814                 win = dev_drv->win[win_id];
2815
2816         /* if the application has specific the horizontal and vertical display size */
2817         if (var->grayscale >> 8) {
2818                 xsize = (var->grayscale >> 8) & 0xfff;
2819                 ysize = (var->grayscale >> 20) & 0xfff;
2820                 if (xsize > screen->mode.xres)
2821                         xsize = screen->mode.xres;
2822                 if (ysize > screen->mode.yres)
2823                         ysize = screen->mode.yres;
2824         } else {                /*ohterwise  full  screen display */
2825                 xsize = screen->mode.xres;
2826                 ysize = screen->mode.yres;
2827         }
2828
2829         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2830         if (fb_data_fmt >= FBDC_RGB_565) {
2831                 win->area[0].fbdc_en = 1;
2832                 win->area[0].fbdc_cor_en = 1;
2833         } else {
2834                 win->area[0].fbdc_en = 0;
2835                 win->area[0].fbdc_cor_en = 0;
2836         }
2837         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2838         vir_width_bit = pixel_width * xvir;
2839         /* pixel_width = byte_num * 8 */
2840         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2841         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2842
2843         switch (fb_data_fmt) {
2844         case YUV422:
2845         case YUV422_A:
2846                 is_pic_yuv = 1;
2847                 stride = stride_32bit_1;
2848                 uv_stride = stride_32bit_1 >> 1;
2849                 uv_x_off = xoffset >> 1;
2850                 uv_y_off = yoffset;
2851                 fix->line_length = stride;
2852                 cblen = crlen = (xvir * yvir) >> 1;
2853                 uv_y_act = win->area[0].yact >> 1;
2854                 break;
2855         case YUV420:            /* nv12 */
2856         case YUV420_NV21:       /* nv21 */
2857         case YUV420_A:
2858                 is_pic_yuv = 1;
2859                 stride = stride_32bit_1;
2860                 uv_stride = stride_32bit_1;
2861                 uv_x_off = xoffset;
2862                 uv_y_off = yoffset >> 1;
2863                 fix->line_length = stride;
2864                 cblen = crlen = (xvir * yvir) >> 2;
2865                 uv_y_act = win->area[0].yact >> 1;
2866                 break;
2867         case YUV444:
2868         case YUV444_A:
2869                 is_pic_yuv = 1;
2870                 stride = stride_32bit_1;
2871                 uv_stride = stride_32bit_2;
2872                 uv_x_off = xoffset * 2;
2873                 uv_y_off = yoffset;
2874                 fix->line_length = stride << 2;
2875                 cblen = crlen = (xvir * yvir);
2876                 uv_y_act = win->area[0].yact;
2877                 break;
2878         default:
2879                 stride = stride_32bit_1;        /* default rgb */
2880                 fix->line_length = stride;
2881                 break;
2882         }
2883
2884         win->area[0].format = fb_data_fmt;
2885         win->area[0].y_vir_stride = stride >> 2;
2886         win->area[0].uv_vir_stride = uv_stride >> 2;
2887         win->area[0].xpos = xpos;
2888         win->area[0].ypos = ypos;
2889         win->area[0].xsize = xsize;
2890         win->area[0].ysize = ysize;
2891         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2892         win->area[0].yact = var->yres;
2893         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2894         win->area[0].yvir = var->yres_virtual;
2895         win->area[0].xoff = xoffset;
2896         win->area[0].yoff = yoffset;
2897
2898         win->area_num = 1;
2899         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2900         win->alpha_en = ((win->area[0].format == ARGB888) ||
2901                          (win->area[0].format == FBDC_ARGB_888) ||
2902                          (win->area[0].format == FBDC_ABGR_888) ||
2903                          (win->area[0].format == ABGR888)) ? 1 : 0;
2904         win->g_alpha_val = 0;
2905
2906         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2907             (win->area[0].format == YUV420 ||
2908              win->area[0].format == YUV420_NV21 ||
2909              win->area[0].format == YUV420_A))
2910                 win->state = 1;
2911
2912         dev_drv->ops->set_par(dev_drv, win_id);
2913
2914         return 0;
2915 }
2916
2917 static inline unsigned int chan_to_field(unsigned int chan,
2918                                          struct fb_bitfield *bf)
2919 {
2920         chan &= 0xffff;
2921         chan >>= 16 - bf->length;
2922         return chan << bf->offset;
2923 }
2924
2925 static int fb_setcolreg(unsigned regno,
2926                         unsigned red, unsigned green, unsigned blue,
2927                         unsigned transp, struct fb_info *info)
2928 {
2929         unsigned int val;
2930
2931         switch (info->fix.visual) {
2932         case FB_VISUAL_TRUECOLOR:
2933                 /* true-colour, use pseudo-palette */
2934                 if (regno < 16) {
2935                         u32 *pal = info->pseudo_palette;
2936                         val = chan_to_field(red, &info->var.red);
2937                         val |= chan_to_field(green, &info->var.green);
2938                         val |= chan_to_field(blue, &info->var.blue);
2939                         pal[regno] = val;
2940                 }
2941                 break;
2942         default:
2943                 return -1;      /* unknown type */
2944         }
2945
2946         return 0;
2947 }
2948
2949 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2950 {
2951         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2952         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2953         struct ion_handle *handle = fb_par->ion_hdl;
2954         struct dma_buf *dma_buf = NULL;
2955
2956         if (IS_ERR_OR_NULL(handle)) {
2957                 dev_err(info->dev, "failed to get ion handle:%ld\n",
2958                         PTR_ERR(handle));
2959                 return -ENOMEM;
2960         }
2961         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2962         if (IS_ERR_OR_NULL(dma_buf)) {
2963                 printk("get ion share dma buf failed\n");
2964                 return -ENOMEM;
2965         }
2966
2967         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2968
2969         return dma_buf_mmap(dma_buf, vma, 0);
2970 }
2971
2972 static struct fb_ops fb_ops = {
2973         .owner = THIS_MODULE,
2974         .fb_open = rk_fb_open,
2975         .fb_release = rk_fb_close,
2976         .fb_check_var = rk_fb_check_var,
2977         .fb_set_par = rk_fb_set_par,
2978         .fb_blank = rk_fb_blank,
2979         .fb_ioctl = rk_fb_ioctl,
2980         .fb_compat_ioctl = rk_fb_ioctl,
2981         .fb_pan_display = rk_fb_pan_display,
2982         .fb_read = rk_fb_read,
2983         .fb_write = rk_fb_write,
2984         .fb_setcolreg = fb_setcolreg,
2985         .fb_fillrect = cfb_fillrect,
2986         .fb_copyarea = cfb_copyarea,
2987         .fb_imageblit = cfb_imageblit,
2988 };
2989
2990 static struct fb_var_screeninfo def_var = {
2991 #if defined(CONFIG_LOGO_LINUX_BMP)
2992         .red = {16, 8, 0},
2993         .green = {8, 8, 0},
2994         .blue = {0, 8, 0},
2995         .transp = {0, 0, 0},
2996         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2997 #else
2998         .red = {11, 5, 0},
2999         .green = {5, 6, 0},
3000         .blue = {0, 5, 0},
3001         .transp = {0, 0, 0},
3002         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3003 #endif
3004         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3005         .activate = FB_ACTIVATE_NOW,
3006         .accel_flags = 0,
3007         .vmode = FB_VMODE_NONINTERLACED,
3008 };
3009
3010 static struct fb_fix_screeninfo def_fix = {
3011         .type = FB_TYPE_PACKED_PIXELS,
3012         .type_aux = 0,
3013         .xpanstep = 1,
3014         .ypanstep = 1,
3015         .ywrapstep = 0,
3016         .accel = FB_ACCEL_NONE,
3017         .visual = FB_VISUAL_TRUECOLOR,
3018
3019 };
3020
3021 static int rk_fb_wait_for_vsync_thread(void *data)
3022 {
3023         struct rk_lcdc_driver *dev_drv = data;
3024         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3025         struct fb_info *fbi = rk_fb->fb[0];
3026
3027         while (!kthread_should_stop()) {
3028                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3029                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3030                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3031                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3032
3033                 if (!ret)
3034                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3035         }
3036
3037         return 0;
3038 }
3039
3040 static ssize_t rk_fb_vsync_show(struct device *dev,
3041                                 struct device_attribute *attr, char *buf)
3042 {
3043         struct fb_info *fbi = dev_get_drvdata(dev);
3044         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3045         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3046         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3047                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3048 }
3049
3050 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3051
3052 /*
3053  * this two function is for other module that in the kernel which
3054  * need show image directly through fb
3055  * fb_id:we have 4 fb here,default we use fb0 for ui display
3056  */
3057 struct fb_info *rk_get_fb(int fb_id)
3058 {
3059         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3060         struct fb_info *fb = inf->fb[fb_id];
3061         return fb;
3062 }
3063 EXPORT_SYMBOL(rk_get_fb);
3064
3065 void rk_direct_fb_show(struct fb_info *fbi)
3066 {
3067         rk_fb_set_par(fbi);
3068         rk_fb_pan_display(&fbi->var, fbi);
3069 }
3070 EXPORT_SYMBOL(rk_direct_fb_show);
3071
3072 int rk_fb_dpi_open(bool open)
3073 {
3074         struct rk_lcdc_driver *dev_drv = NULL;
3075         dev_drv = rk_get_prmry_lcdc_drv();
3076
3077         if (dev_drv->ops->dpi_open)
3078                 dev_drv->ops->dpi_open(dev_drv, open);
3079         return 0;
3080 }
3081
3082 int rk_fb_dpi_win_sel(int win_id)
3083 {
3084         struct rk_lcdc_driver *dev_drv = NULL;
3085         dev_drv = rk_get_prmry_lcdc_drv();
3086
3087         if (dev_drv->ops->dpi_win_sel)
3088                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3089         return 0;
3090 }
3091
3092 int rk_fb_dpi_status(void)
3093 {
3094         int ret = 0;
3095         struct rk_lcdc_driver *dev_drv = NULL;
3096
3097         dev_drv = rk_get_prmry_lcdc_drv();
3098         if (dev_drv->ops->dpi_status)
3099                 ret = dev_drv->ops->dpi_status(dev_drv);
3100
3101         return ret;
3102 }
3103
3104 /*
3105  * function: this function will be called by display device, enable/disable lcdc
3106  * @screen: screen timing to be set to lcdc
3107  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3108  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3109  */
3110 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3111 {
3112         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3113         struct fb_info *info = NULL;
3114         struct rk_fb_par *fb_par = NULL;
3115         struct rk_lcdc_driver *dev_drv = NULL;
3116         char name[6] = {0};
3117         int i, win_id, load_screen = 0;
3118
3119         if (unlikely(!rk_fb) || unlikely(!screen))
3120                 return -ENODEV;
3121
3122         hdmi_switch_complete = 0;
3123         /* get lcdc driver */
3124         sprintf(name, "lcdc%d", lcdc_id);
3125         if (rk_fb->disp_mode != DUAL)
3126                 dev_drv = rk_fb->lcdc_dev_drv[0];
3127         else
3128                 dev_drv = rk_get_lcdc_drv(name);
3129
3130         if (dev_drv == NULL) {
3131                 printk(KERN_ERR "%s driver not found!", name);
3132                 return -ENODEV;
3133         }
3134         if (screen->type == SCREEN_HDMI)
3135                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3136                         dev_drv->id);
3137         else if (screen->type == SCREEN_TVOUT ||
3138                      screen->type == SCREEN_TVOUT_TEST )
3139                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3140                         dev_drv->id);
3141         if (enable == 2 /*&& dev_drv->enable*/)
3142                 return 0;
3143
3144         if ((rk_fb->disp_mode == ONE_DUAL) ||
3145             (rk_fb->disp_mode == NO_DUAL)) {
3146                 if ((dev_drv->ops->backlight_close) &&
3147                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3148                         dev_drv->ops->backlight_close(dev_drv, 1);
3149                 if (dev_drv->ops->dsp_black)
3150                         dev_drv->ops->dsp_black(dev_drv, 1);
3151                 if ((dev_drv->ops->set_screen_scaler) &&
3152                     (rk_fb->disp_mode == ONE_DUAL))
3153                         dev_drv->ops->set_screen_scaler(dev_drv,
3154                                                         dev_drv->screen0, 0);
3155         }
3156         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3157                dev_drv->uboot_logo = 0;
3158         if (!enable) {
3159                 /* if screen type is different, we do not disable lcdc. */
3160                 if (dev_drv->cur_screen->type != screen->type)
3161                         return 0;
3162
3163                 /* if used one lcdc to dual disp, no need to close win */
3164                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3165                     ((rk_fb->disp_mode == NO_DUAL) &&
3166                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3167                         dev_drv->cur_screen = dev_drv->screen0;
3168                         dev_drv->ops->load_screen(dev_drv, 1);
3169
3170                         /* force modify dsp size */
3171                         info = rk_fb->fb[dev_drv->fb_index_base];
3172                         info->var.grayscale &= 0xff;
3173                         info->var.grayscale |=
3174                                 (dev_drv->cur_screen->mode.xres << 8) +
3175                                 (dev_drv->cur_screen->mode.yres << 20);
3176                         mutex_lock(&dev_drv->win_config);
3177                         info->fbops->fb_set_par(info);
3178                         info->fbops->fb_pan_display(&info->var, info);
3179                         mutex_unlock(&dev_drv->win_config);
3180
3181                         if (dev_drv->ops->dsp_black)
3182                                 dev_drv->ops->dsp_black(dev_drv, 0);
3183                         if ((dev_drv->ops->backlight_close) &&
3184                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3185                                 dev_drv->ops->backlight_close(dev_drv, 0);
3186                 } else if (rk_fb->num_lcdc > 1) {
3187                         /* If there is more than one lcdc device, we disable
3188                            the layer which attached to this device */
3189                         dev_drv->suspend_flag = 1;
3190                         flush_kthread_worker(&dev_drv->update_regs_worker);
3191                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3192                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3193                                         dev_drv->ops->open(dev_drv, i, 0);
3194                         }
3195                 }
3196
3197                 hdmi_switch_complete = 0;
3198                 return 0;
3199         } else {
3200                 if (dev_drv->screen1)
3201                         dev_drv->cur_screen = dev_drv->screen1;
3202
3203                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3204                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3205                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3206                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3207                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3208         }
3209         if ((!dev_drv->uboot_logo) ||
3210             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3211                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3212                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3213                         fb_par = (struct rk_fb_par *)info->par;
3214                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3215                         if (dev_drv->win[win_id]) {
3216                                 if (fb_par->state) {
3217                                         if (!dev_drv->win[win_id]->state) {
3218                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3219                                                 dev_drv->suspend_flag = 0;
3220                                         }
3221                                         if (!load_screen) {
3222                                                 dev_drv->ops->load_screen(dev_drv, 1);
3223                                                 load_screen = 1;
3224                                         }
3225                                         info->var.activate |= FB_ACTIVATE_FORCE;
3226                                         if (rk_fb->disp_mode == ONE_DUAL) {
3227                                                 info->var.grayscale &= 0xff;
3228                                                 info->var.grayscale |=
3229                                                         (dev_drv->cur_screen->xsize << 8) +
3230                                                         (dev_drv->cur_screen->ysize << 20);
3231                                         }
3232
3233                                         mutex_lock(&dev_drv->win_config);
3234                                         info->fbops->fb_set_par(info);
3235                                         info->fbops->fb_pan_display(&info->var, info);
3236                                         mutex_unlock(&dev_drv->win_config);
3237                                 }
3238                         }
3239                 }
3240         }else {
3241                 dev_drv->uboot_logo = 0;
3242         }
3243         hdmi_switch_complete = 1;
3244         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3245                 if ((dev_drv->ops->set_screen_scaler) &&
3246                     (rk_fb->disp_mode == ONE_DUAL))
3247                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3248                 if (dev_drv->ops->dsp_black)
3249                         dev_drv->ops->dsp_black(dev_drv, 0);
3250                 if ((dev_drv->ops->backlight_close) &&
3251                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3252                     (rk_fb->disp_mode == ONE_DUAL))
3253                         dev_drv->ops->backlight_close(dev_drv, 0);
3254         }
3255         return 0;
3256 }
3257
3258 /*
3259  * function:this function current only called by hdmi for
3260  *      scale the display
3261  * scale_x: scale rate of x resolution
3262  * scale_y: scale rate of y resolution
3263  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3264  */
3265 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3266 {
3267         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3268         struct fb_info *info = NULL;
3269         struct fb_info *pmy_info = NULL;
3270         struct fb_var_screeninfo *var = NULL;
3271         struct rk_lcdc_driver *dev_drv = NULL;
3272         u16 screen_x, screen_y;
3273         u16 xpos, ypos;
3274         char name[6];
3275         struct rk_screen primary_screen;
3276         rk_fb_get_prmry_screen(&primary_screen);
3277         if (primary_screen.type == SCREEN_HDMI) {
3278                 return 0;
3279         }
3280
3281         sprintf(name, "lcdc%d", lcdc_id);
3282
3283         if (inf->disp_mode == DUAL) {
3284                 dev_drv = rk_get_lcdc_drv(name);
3285                 if (dev_drv == NULL) {
3286                         printk(KERN_ERR "%s driver not found!", name);
3287                         return -ENODEV;
3288                 }
3289         } else {
3290                 dev_drv = inf->lcdc_dev_drv[0];
3291         }
3292
3293         if (inf->num_lcdc == 1) {
3294                 info = inf->fb[0];
3295         } else if (inf->num_lcdc == 2) {
3296                 info = inf->fb[dev_drv->lcdc_win_num];
3297                 pmy_info = inf->fb[0];
3298         }
3299
3300         var = &info->var;
3301         screen_x = dev_drv->cur_screen->mode.xres;
3302         screen_y = dev_drv->cur_screen->mode.yres;
3303
3304         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3305                 dev_drv->cur_screen->xpos =
3306                     (screen_x - screen_x * scale_x / 100) >> 1;
3307                 dev_drv->cur_screen->ypos =
3308                     (screen_y - screen_y * scale_y / 100) >> 1;
3309                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3310                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3311         } else {
3312                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3313                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3314                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3315                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3316                 if (inf->disp_mode == ONE_DUAL) {
3317                         var->nonstd &= 0xff;
3318                         var->nonstd |= (xpos << 8) + (ypos << 20);
3319                         var->grayscale &= 0xff;
3320                         var->grayscale |=
3321                                 (dev_drv->cur_screen->xsize << 8) +
3322                                 (dev_drv->cur_screen->ysize << 20);
3323                 }
3324         }
3325
3326         mutex_lock(&dev_drv->win_config);
3327         info->fbops->fb_set_par(info);
3328         dev_drv->ops->cfg_done(dev_drv);
3329         mutex_unlock(&dev_drv->win_config);
3330
3331         return 0;
3332 }
3333
3334 #if defined(CONFIG_ION_ROCKCHIP)
3335 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3336                                      struct rk_lcdc_win *win,
3337                                      unsigned long fb_mem_size)
3338 {
3339         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3340         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3341         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3342         struct ion_handle *handle;
3343         ion_phys_addr_t phy_addr;
3344         size_t len;
3345         int ret = 0;
3346
3347         if (dev_drv->iommu_enabled)
3348                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3349                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3350         else
3351                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3352                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3353         if (IS_ERR(handle)) {
3354                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3355                         PTR_ERR(handle));
3356                 return -ENOMEM;
3357         }
3358
3359         fb_par->ion_hdl = handle;
3360         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3361         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3362                 printk("ion_share_dma_buf() failed\n");
3363                 goto err_share_dma_buf;
3364         }
3365         win->area[0].ion_hdl = handle;
3366         if (dev_drv->prop == PRMRY)
3367                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3368 #ifdef CONFIG_ROCKCHIP_IOMMU
3369         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3370                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3371                                         (unsigned long *)&phy_addr,
3372                                         (unsigned long *)&len);
3373         else
3374                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3375 #else
3376         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3377 #endif
3378         if (ret < 0) {
3379                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3380                 goto err_share_dma_buf;
3381         }
3382         fbi->fix.smem_start = phy_addr;
3383         fbi->fix.smem_len = len;
3384         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3385         return 0;
3386
3387 err_share_dma_buf:
3388         ion_free(rk_fb->ion_client, handle);
3389         return -ENOMEM;
3390 }
3391 #endif
3392
3393 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3394 {
3395         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3396         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3397         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3398         struct rk_lcdc_win *win = NULL;
3399         int win_id;
3400         int ret = 0;
3401         unsigned long fb_mem_size;
3402 #if !defined(CONFIG_ION_ROCKCHIP)
3403         dma_addr_t fb_mem_phys;
3404         void *fb_mem_virt;
3405 #endif
3406
3407         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3408         if (win_id < 0)
3409                 return -ENODEV;
3410         else
3411                 win = dev_drv->win[win_id];
3412
3413         if (!strcmp(fbi->fix.id, "fb0")) {
3414                 fb_mem_size = get_fb_size();
3415 #if defined(CONFIG_ION_ROCKCHIP)
3416                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3417                         return -ENOMEM;
3418 #else
3419                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3420                                                      &fb_mem_phys, GFP_KERNEL);
3421                 if (!fb_mem_virt) {
3422                         pr_err("%s: Failed to allocate framebuffer\n",
3423                                __func__);
3424                         return -ENOMEM;
3425                 }
3426                 fbi->fix.smem_len = fb_mem_size;
3427                 fbi->fix.smem_start = fb_mem_phys;
3428                 fbi->screen_base = fb_mem_virt;
3429 #endif
3430                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3431         } else {
3432                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3433                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3434                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3435         }
3436
3437         fbi->screen_size = fbi->fix.smem_len;
3438         fb_par->fb_phy_base = fbi->fix.smem_start;
3439         fb_par->fb_virt_base = fbi->screen_base;
3440         fb_par->fb_size = fbi->fix.smem_len;
3441
3442         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3443                        fbi->fix.smem_start, fbi->screen_base,
3444                        fbi->fix.smem_len);
3445         return ret;
3446 }
3447
3448 #if 0
3449 static int rk_release_fb_buffer(struct fb_info *fbi)
3450 {
3451         /* buffer for fb1 and fb3 are alloc by android */
3452         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3453                 return 0;
3454         iounmap(fbi->screen_base);
3455         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3456         return 0;
3457 }
3458 #endif
3459
3460 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3461                          struct rk_lcdc_win *def_win)
3462 {
3463         int i;
3464         int lcdc_win_num = dev_drv->lcdc_win_num;
3465
3466         for (i = 0; i < lcdc_win_num; i++) {
3467                 struct rk_lcdc_win *win = NULL;
3468                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3469                 if (!win) {
3470                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3471                         return -ENOMEM;
3472                 }
3473
3474                 strcpy(win->name, def_win[i].name);
3475                 win->id = def_win[i].id;
3476                 win->support_3d = def_win[i].support_3d;
3477                 dev_drv->win[i] = win;
3478         }
3479
3480         return 0;
3481 }
3482
3483 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3484                                    struct rk_lcdc_win *def_win, int index)
3485 {
3486         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3487         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3488                                                 sizeof(struct rk_screen),
3489                                                 GFP_KERNEL);
3490
3491         if (!screen) {
3492                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3493                         dev_drv->id);
3494                 return -ENOMEM;
3495         }
3496
3497         screen->screen_id = 0;
3498         screen->lcdc_id = dev_drv->id;
3499         screen->overscan.left = 100;
3500         screen->overscan.top = 100;
3501         screen->overscan.right = 100;
3502         screen->overscan.bottom = 100;
3503
3504         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3505         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3506
3507         dev_drv->screen0 = screen;
3508         dev_drv->cur_screen = screen;
3509         /* devie use one lcdc + rk61x scaler for dual display */
3510         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3511                 struct rk_screen *screen1 =
3512                                 devm_kzalloc(dev_drv->dev,
3513                                              sizeof(struct rk_screen),
3514                                              GFP_KERNEL);
3515                 if (!screen1) {
3516                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3517                                 dev_drv->id);
3518                         return -ENOMEM;
3519                 }
3520                 screen1->screen_id = 1;
3521                 screen1->lcdc_id = 1;
3522                 dev_drv->screen1 = screen1;
3523         }
3524         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3525         init_lcdc_win(dev_drv, def_win);
3526         init_completion(&dev_drv->frame_done);
3527         spin_lock_init(&dev_drv->cpl_lock);
3528         mutex_init(&dev_drv->fb_win_id_mutex);
3529         mutex_init(&dev_drv->win_config);
3530         mutex_init(&dev_drv->front_lock);
3531         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3532         dev_drv->first_frame = 1;
3533         dev_drv->overscan.left = 100;
3534         dev_drv->overscan.top = 100;
3535         dev_drv->overscan.right = 100;
3536         dev_drv->overscan.bottom = 100;
3537         rk_disp_pwr_ctr_parse_dt(dev_drv);
3538         if (dev_drv->prop == PRMRY) {
3539                 if (dev_drv->ops->set_dsp_cabc)
3540                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3541                 rk_fb_set_prmry_screen(screen);
3542                 rk_fb_get_prmry_screen(screen);
3543         }
3544         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3545         if (dev_drv->prop != PRMRY)
3546                 rk_fb_get_prmry_screen(screen);
3547         dev_drv->output_color = screen->color_mode;
3548
3549         return 0;
3550 }
3551
3552 #ifdef CONFIG_LOGO_LINUX_BMP
3553 static struct linux_logo *bmp_logo;
3554 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3555 {
3556         bmp_logo = fb_find_logo(24);
3557         if (bmp_logo == NULL) {
3558                 printk(KERN_INFO "%s error\n", __func__);
3559                 return 0;
3560         }
3561         return 1;
3562 }
3563
3564 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3565 {
3566         unsigned char *src = bmp_logo->data;
3567         unsigned char *dst = info->screen_base;
3568         int i;
3569         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3570         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3571
3572         for (i = 0; i < Needheight; i++)
3573                 memcpy(dst + info->var.xres * i * 4,
3574                        src + bmp_logo->width * i * 4, Needwidth * 4);
3575 }
3576 #endif
3577
3578 /*
3579  * check if the primary lcdc has registerd,
3580  * the primary lcdc mas register first
3581  */
3582 bool is_prmry_rk_lcdc_registered(void)
3583 {
3584         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3585
3586         if (rk_fb->lcdc_dev_drv[0])
3587                 return true;
3588         else
3589                 return false;
3590 }
3591
3592 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3593                    struct rk_lcdc_win *win, int id)
3594 {
3595         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3596         struct fb_info *fbi;
3597         struct rk_fb_par *fb_par = NULL;
3598         int i = 0, ret = 0, index = 0;
3599
3600         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3601                 return -ENXIO;
3602
3603         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3604                 if (!rk_fb->lcdc_dev_drv[i]) {
3605                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3606                         rk_fb->lcdc_dev_drv[i]->id = id;
3607                         rk_fb->num_lcdc++;
3608                         break;
3609                 }
3610         }
3611
3612         index = i;
3613         init_lcdc_device_driver(rk_fb, win, index);
3614         dev_drv->fb_index_base = rk_fb->num_fb;
3615         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3616                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3617                 if (!fbi) {
3618                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3619                         ret = -ENOMEM;
3620                 }
3621                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3622                                       GFP_KERNEL);
3623                 if (!fb_par) {
3624                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3625                                 rk_fb->num_fb);
3626                         return -ENOMEM;
3627                 }
3628                 fb_par->id = rk_fb->num_fb;
3629                 fb_par->lcdc_drv = dev_drv;
3630                 fbi->par = (void *)fb_par;
3631                 fbi->var = def_var;
3632                 fbi->fix = def_fix;
3633                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3634                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3635                 fbi->var.grayscale |=
3636                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3637 #if defined(CONFIG_LOGO_LINUX_BMP)
3638                 fbi->var.bits_per_pixel = 32;
3639 #else
3640                 fbi->var.bits_per_pixel = 16;
3641 #endif
3642                 fbi->fix.line_length =
3643                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3644                 fbi->var.width = dev_drv->cur_screen->width;
3645                 fbi->var.height = dev_drv->cur_screen->height;
3646                 if (dev_drv->iommu_enabled)
3647                         fb_ops.fb_mmap = rk_fb_mmap;
3648                 fbi->fbops = &fb_ops;
3649                 fbi->flags = FBINFO_FLAG_DEFAULT;
3650                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3651                 ret = register_framebuffer(fbi);
3652                 if (ret < 0) {
3653                         dev_err(&fb_pdev->dev,
3654                                 "%s fb%d register_framebuffer fail!\n",
3655                                 __func__, rk_fb->num_fb);
3656                         return ret;
3657                 }
3658                 rkfb_create_sysfs(fbi);
3659                 rk_fb->fb[rk_fb->num_fb] = fbi;
3660                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3661                          fbi->fix.id);
3662                 rk_fb->num_fb++;
3663
3664                 if (i == 0) {
3665                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3666                         init_waitqueue_head(&dev_drv->update_regs_wait);
3667                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3668                         if (ret)
3669                                 dev_err(fbi->dev,
3670                                         "failed to create vsync file\n");
3671                         dev_drv->vsync_info.thread =
3672                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3673                                         "fb-vsync");
3674                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3675                                 dev_err(fbi->dev,
3676                                         "failed to run vsync thread\n");
3677                                 dev_drv->vsync_info.thread = NULL;
3678                         }
3679                         dev_drv->vsync_info.active = 1;
3680
3681                         mutex_init(&dev_drv->output_lock);
3682
3683                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3684                         mutex_init(&dev_drv->update_regs_list_lock);
3685                         init_kthread_worker(&dev_drv->update_regs_worker);
3686
3687                         dev_drv->update_regs_thread =
3688                             kthread_run(kthread_worker_fn,
3689                                         &dev_drv->update_regs_worker, "rk-fb");
3690                         if (IS_ERR(dev_drv->update_regs_thread)) {
3691                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3692                                 dev_drv->update_regs_thread = NULL;
3693
3694                                 printk("failed to run update_regs thread\n");
3695                                 return err;
3696                         }
3697                         init_kthread_work(&dev_drv->update_regs_work,
3698                                           rk_fb_update_regs_handler);
3699
3700                         dev_drv->timeline =
3701                             sw_sync_timeline_create("fb-timeline");
3702                         dev_drv->timeline_max = 1;
3703                 }
3704         }
3705
3706         /* show logo for primary display device */
3707 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3708         if (dev_drv->prop == PRMRY) {
3709                 u16 xact, yact;
3710                 int format;
3711                 u32 dsp_addr;
3712                 struct fb_info *main_fbi = rk_fb->fb[0];
3713                 main_fbi->fbops->fb_open(main_fbi, 1);
3714                 main_fbi->var.pixclock = dev_drv->pixclock;
3715 #if defined(CONFIG_ROCKCHIP_IOMMU)
3716                 if (dev_drv->iommu_enabled) {
3717                         if (dev_drv->mmu_dev)
3718                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3719                                                 rk_fb_sysmmu_fault_handler);
3720                 }
3721 #endif
3722
3723                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3724                 dev_drv->uboot_logo = support_uboot_display();
3725
3726                 if (dev_drv->uboot_logo &&
3727                     uboot_logo_offset && uboot_logo_base) {
3728                         int width, height, bits;
3729                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3730                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3731                         unsigned int nr_pages;
3732                         struct page **pages;
3733                         char *vaddr;
3734                         int i = 0;
3735
3736                         if (dev_drv->ops->get_dspbuf_info)
3737                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3738                                         &yact, &format, &dsp_addr);
3739                         nr_pages = size >> PAGE_SHIFT;
3740                         pages = kzalloc(sizeof(struct page) * nr_pages,
3741                                         GFP_KERNEL);
3742                         while (i < nr_pages) {
3743                                 pages[i] = phys_to_page(start);
3744                                 start += PAGE_SIZE;
3745                                 i++;
3746                         }
3747                         vaddr = vmap(pages, nr_pages, VM_MAP,
3748                                         pgprot_writecombine(PAGE_KERNEL));
3749                         if (!vaddr) {
3750                                 pr_err("failed to vmap phy addr 0x%lx\n",
3751                                        (long)(uboot_logo_base +
3752                                        uboot_logo_offset));
3753                                 return -1;
3754                         }
3755
3756                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3757                                       &height, &bits)) {
3758                                 kfree(pages);
3759                                 vunmap(vaddr);
3760                                 return 0;
3761                         }
3762                         kfree(pages);
3763                         vunmap(vaddr);
3764                         if (dev_drv->uboot_logo &&
3765                             (width != xact || height != yact)) {
3766                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3767                                         xact, yact, width, height);
3768                                 return 0;
3769                         }
3770
3771                         if (dev_drv->ops->post_dspbuf) {
3772                                 dev_drv->ops->post_dspbuf(dev_drv,
3773                                         main_fbi->fix.smem_start,
3774                                         rk_fb_data_fmt(0, bits),
3775                                         width, height, width * bits >> 5);
3776                         }
3777                         if (dev_drv->iommu_enabled) {
3778                                 rk_fb_poll_wait_frame_complete();
3779                                 if (dev_drv->ops->mmu_en)
3780                                         dev_drv->ops->mmu_en(dev_drv);
3781                                 freed_index = 0;
3782                         }
3783
3784                         return 0;
3785                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3786                         u32 start = uboot_logo_base;
3787                         u32 start_base = start;
3788                         int logo_len, i=0;
3789                         unsigned int nr_pages;
3790                         struct page **pages;
3791                         char *vaddr;
3792
3793                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3794                                                       &yact, &format,
3795                                                       &start);
3796                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3797                         if (logo_len > uboot_logo_size ||
3798                             logo_len > main_fbi->fix.smem_len) {
3799                                 pr_err("logo size > uboot reserve buffer size\n");
3800                                 return -1;
3801                         }
3802
3803                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3804                         pages = kzalloc(sizeof(struct page) * nr_pages,
3805                                         GFP_KERNEL);
3806                         while (i < nr_pages) {
3807                                 pages[i] = phys_to_page(start);
3808                                 start += PAGE_SIZE;
3809                                 i++;
3810                         }
3811                         vaddr = vmap(pages, nr_pages, VM_MAP,
3812                                         pgprot_writecombine(PAGE_KERNEL));
3813                         if (!vaddr) {
3814                                 pr_err("failed to vmap phy addr 0x%x\n",
3815                                        start_base);
3816                                 return -1;
3817                         }
3818
3819                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3820
3821                         kfree(pages);
3822                         vunmap(vaddr);
3823
3824                         dev_drv->ops->post_dspbuf(dev_drv,
3825                                         main_fbi->fix.smem_start,
3826                                         format, xact, yact,
3827                                         xact * rk_fb_pixel_width(format) >> 5);
3828                         if (dev_drv->iommu_enabled) {
3829                                 rk_fb_poll_wait_frame_complete();
3830                                 if (dev_drv->ops->mmu_en)
3831                                         dev_drv->ops->mmu_en(dev_drv);
3832                                 freed_index = 0;
3833                         }
3834                         return 0;
3835                 } else {
3836                         if (dev_drv->iommu_enabled) {
3837                                 if (dev_drv->ops->mmu_en)
3838                                         dev_drv->ops->mmu_en(dev_drv);
3839                                 freed_index = 0;
3840                         }
3841                 }
3842 #if defined(CONFIG_LOGO)
3843                 main_fbi->fbops->fb_set_par(main_fbi);
3844 #if  defined(CONFIG_LOGO_LINUX_BMP)
3845                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3846                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3847                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3848                 }
3849 #else
3850                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3851                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3852                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3853                 }
3854 #endif
3855                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3856 #endif
3857         } else {
3858                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3859                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3860                 rk_fb_alloc_buffer(extend_fbi);
3861         }
3862 #endif
3863         return 0;
3864 }
3865
3866 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3867 {
3868         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3869         struct fb_info *fbi;
3870         int fb_index_base = dev_drv->fb_index_base;
3871         int fb_num = dev_drv->lcdc_win_num;
3872         int i = 0;
3873
3874         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3875                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3876                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3877         }
3878
3879         for (i = 0; i < fb_num; i++)
3880                 kfree(dev_drv->win[i]);
3881
3882         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3883                 fbi = fb_inf->fb[i];
3884                 unregister_framebuffer(fbi);
3885                 /* rk_release_fb_buffer(fbi); */
3886                 framebuffer_release(fbi);
3887         }
3888         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3889         fb_inf->num_lcdc--;
3890
3891         return 0;
3892 }
3893
3894 static int rk_fb_probe(struct platform_device *pdev)
3895 {
3896         struct rk_fb *rk_fb = NULL;
3897         struct device_node *np = pdev->dev.of_node;
3898         u32 mode;
3899
3900         if (!np) {
3901                 dev_err(&pdev->dev, "Missing device tree node.\n");
3902                 return -EINVAL;
3903         }
3904
3905         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3906         if (!rk_fb) {
3907                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3908                 return -ENOMEM;
3909         }
3910         platform_set_drvdata(pdev, rk_fb);
3911
3912         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3913                 rk_fb->disp_mode = mode;
3914
3915         } else {
3916                 dev_err(&pdev->dev, "no disp-mode node found!");
3917                 return -ENODEV;
3918         }
3919
3920         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3921                 rk_fb->disp_policy = mode;
3922                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3923         }
3924
3925         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3926                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3927
3928         dev_set_name(&pdev->dev, "rockchip-fb");
3929 #if defined(CONFIG_ION_ROCKCHIP)
3930         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3931         if (IS_ERR(rk_fb->ion_client)) {
3932                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3933                 return PTR_ERR(rk_fb->ion_client);
3934         } else {
3935                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3936         }
3937 #endif
3938
3939         fb_pdev = pdev;
3940         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3941         return 0;
3942 }
3943
3944 static int rk_fb_remove(struct platform_device *pdev)
3945 {
3946         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3947
3948         kfree(rk_fb);
3949         platform_set_drvdata(pdev, NULL);
3950         return 0;
3951 }
3952
3953 static void rk_fb_shutdown(struct platform_device *pdev)
3954 {
3955         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3956         int i;
3957
3958         for (i = 0; i < rk_fb->num_lcdc; i++) {
3959                 if (!rk_fb->lcdc_dev_drv[i])
3960                         continue;
3961         }
3962 }
3963
3964 static const struct of_device_id rkfb_dt_ids[] = {
3965         {.compatible = "rockchip,rk-fb",},
3966         {}
3967 };
3968
3969 static struct platform_driver rk_fb_driver = {
3970         .probe = rk_fb_probe,
3971         .remove = rk_fb_remove,
3972         .driver = {
3973                    .name = "rk-fb",
3974                    .owner = THIS_MODULE,
3975                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3976                    },
3977         .shutdown = rk_fb_shutdown,
3978 };
3979
3980 static int __init rk_fb_init(void)
3981 {
3982         return platform_driver_register(&rk_fb_driver);
3983 }
3984
3985 static void __exit rk_fb_exit(void)
3986 {
3987         platform_driver_unregister(&rk_fb_driver);
3988 }
3989
3990 fs_initcall(rk_fb_init);
3991 module_exit(rk_fb_exit);