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 <asm/div64.h>
  28 #include <linux/uaccess.h>
  29 #include <linux/rk_fb.h>
  30 #include <linux/linux_logo.h>
  31 #include <linux/dma-mapping.h>
  32
  33 #if defined(CONFIG_RK_HDMI)
  34 #include "hdmi/rk_hdmi.h"
  35 #endif
  36
  37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  38 #include "rga/rga.h"
  39 #endif
  40
  41 #ifdef CONFIG_OF
  42 #include <linux/of.h>
  43 #include <linux/of_gpio.h>
  44 #include <video/of_display_timing.h>
  45 #include <video/display_timing.h>
  46 #include <dt-bindings/rkfb/rk_fb.h>
  47 #endif
  48
  49 #if defined(CONFIG_ION_ROCKCHIP)
  50 #include <linux/rockchip_ion.h>
  51 #include <linux/rockchip/iovmm.h>
  52 #include <linux/rockchip/sysmmu.h>
  53 #include <linux/dma-buf.h>
  54 #include <linux/highmem.h>
  55 #endif
  56
  57 #define H_USE_FENCE 1
  58 static int hdmi_switch_complete;
  59 static struct platform_device *fb_pdev;
  60 struct list_head saved_list;
  61
  62 #if defined(CONFIG_FB_MIRRORING)
  63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  64 EXPORT_SYMBOL(video_data_to_mirroring);
  65 #endif
  66
  67 struct rk_fb_reg_win_data g_reg_win_data[4];
  68 static int g_last_win_num;
  69 static int g_first_buf = 1;
  70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  71 static struct rk_fb_trsm_ops *trsm_edp_ops;
  72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  73 static int uboot_logo_on;
  74 int support_uboot_display(void)
  75 {
  76         return uboot_logo_on;
  77 }
  78
  79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  80 {
  81         switch (type) {
  82         case SCREEN_RGB:
  83         case SCREEN_LVDS:
  84         case SCREEN_DUAL_LVDS:
  85                 trsm_lvds_ops = ops;
  86                 break;
  87         case SCREEN_EDP:
  88                 trsm_edp_ops = ops;
  89                 break;
  90         case SCREEN_MIPI:
  91         case SCREEN_DUAL_MIPI:
  92                 trsm_mipi_ops = ops;
  93                 break;
  94         default:
  95                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
  96                        __func__, type);
  97                 break;
  98         }
  99         return 0;
 100 }
 101
 102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 103 {
 104         struct rk_fb_trsm_ops *ops;
 105         switch (type) {
 106         case SCREEN_RGB:
 107         case SCREEN_LVDS:
 108         case SCREEN_DUAL_LVDS:
 109                 ops = trsm_lvds_ops;
 110                 break;
 111         case SCREEN_EDP:
 112                 ops = trsm_edp_ops;
 113                 break;
 114         case SCREEN_MIPI:
 115         case SCREEN_DUAL_MIPI:
 116                 ops = trsm_mipi_ops;
 117                 break;
 118         default:
 119                 ops = NULL;
 120                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 121                        __func__, type);
 122                 break;
 123         }
 124         return ops;
 125 }
 126
 127 int rk_fb_pixel_width(int data_format)
 128 {
 129         int pixel_width;
 130         switch (data_format) {
 131         case XBGR888:
 132         case ABGR888:
 133         case ARGB888:
 134                 pixel_width = 4 * 8;
 135                 break;
 136         case RGB888:
 137                 pixel_width = 3 * 8;
 138                 break;
 139         case RGB565:
 140                 pixel_width = 2 * 8;
 141                 break;
 142         case YUV422:
 143         case YUV420:
 144         case YUV444:
 145                 pixel_width = 1 * 8;
 146                 break;
 147         case YUV422_A:
 148         case YUV420_A:
 149         case YUV444_A:
 150                 pixel_width = 8;
 151                 break;
 152         default:
 153                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 154                        __func__, data_format);
 155                 return -EINVAL;
 156         }
 157         return pixel_width;
 158 }
 159
 160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 161 {
 162         int fb_data_fmt;
 163         if (data_format) {
 164                 switch (data_format) {
 165                 case HAL_PIXEL_FORMAT_RGBX_8888:
 166                         fb_data_fmt = XBGR888;
 167                         break;
 168                 case HAL_PIXEL_FORMAT_RGBA_8888:
 169                         fb_data_fmt = ABGR888;
 170                         break;
 171                 case HAL_PIXEL_FORMAT_BGRA_8888:
 172                         fb_data_fmt = ARGB888;
 173                         break;
 174                 case HAL_PIXEL_FORMAT_RGB_888:
 175                         fb_data_fmt = RGB888;
 176                         break;
 177                 case HAL_PIXEL_FORMAT_RGB_565:
 178                         fb_data_fmt = RGB565;
 179                         break;
 180                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 181                         fb_data_fmt = YUV422;
 182                         break;
 183                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 184                         fb_data_fmt = YUV420;
 185                         break;
 186                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 187                         fb_data_fmt = YUV444;
 188                         break;
 189                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 190                         fb_data_fmt = YUV420_A;
 191                         break;
 192                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 193                         fb_data_fmt = YUV422_A;
 194                         break;
 195                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 196                         fb_data_fmt = YUV444_A;
 197                         break;
 198                 default:
 199                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 200                                __func__, data_format);
 201                         return -EINVAL;
 202                 }
 203         } else {
 204                 switch (bits_per_pixel) {
 205                 case 32:
 206                         fb_data_fmt = ARGB888;
 207                         break;
 208                 case 16:
 209                         fb_data_fmt = RGB565;
 210                         break;
 211                 default:
 212                         printk(KERN_WARNING
 213                                "%s:un supported bits_per_pixel:%d\n", __func__,
 214                                bits_per_pixel);
 215                         break;
 216                 }
 217         }
 218         return fb_data_fmt;
 219 }
 220
 221 /*
 222  * rk display power control parse from dts
 223  */
 224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 225 {
 226         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 227                                                         "power_ctr");
 228         struct device_node *child;
 229         struct rk_disp_pwr_ctr_list *pwr_ctr;
 230         struct list_head *pos;
 231         enum of_gpio_flags flags;
 232         u32 val = 0;
 233         u32 debug = 0;
 234         int ret;
 235
 236         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 237         if (!root) {
 238                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 239                         dev_drv->id);
 240                 return -ENODEV;
 241         }
 242
 243         for_each_child_of_node(root, child) {
 244                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 245                                   GFP_KERNEL);
 246                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 247                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 248                         if (val == GPIO) {
 249                                 pwr_ctr->pwr_ctr.type = GPIO;
 250                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 251                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 252                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 253                                                 child->name);
 254                                         return -EINVAL;
 255                                 }
 256                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 257                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 258                                                    child->name);
 259                                 if (ret) {
 260                                         dev_err(dev_drv->dev,
 261                                                 "request %s gpio fail:%d\n",
 262                                                 child->name, ret);
 263                                 }
 264
 265                         } else {
 266                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 267
 268                         }
 269                 };
 270                 of_property_read_u32(child, "rockchip,delay", &val);
 271                 pwr_ctr->pwr_ctr.delay = val;
 272                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 273         }
 274
 275         of_property_read_u32(root, "rockchip,debug", &debug);
 276
 277         if (debug) {
 278                 list_for_each(pos, &dev_drv->pwrlist_head) {
 279                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 280                                              list);
 281                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 282                                "pwr_type:%s\n"
 283                                "gpio:%d\n"
 284                                "atv_val:%d\n"
 285                                "delay:%d\n\n",
 286                                pwr_ctr->pwr_ctr.name,
 287                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 288                                pwr_ctr->pwr_ctr.gpio,
 289                                pwr_ctr->pwr_ctr.atv_val,
 290                                pwr_ctr->pwr_ctr.delay);
 291                 }
 292         }
 293
 294         return 0;
 295
 296 }
 297
 298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 299 {
 300         struct list_head *pos;
 301         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 302         struct pwr_ctr *pwr_ctr;
 303         if (list_empty(&dev_drv->pwrlist_head))
 304                 return 0;
 305         list_for_each(pos, &dev_drv->pwrlist_head) {
 306                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 307                                           list);
 308                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 309                 if (pwr_ctr->type == GPIO) {
 310                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 311                         mdelay(pwr_ctr->delay);
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 319 {
 320         struct list_head *pos;
 321         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 322         struct pwr_ctr *pwr_ctr;
 323         if (list_empty(&dev_drv->pwrlist_head))
 324                 return 0;
 325         list_for_each(pos, &dev_drv->pwrlist_head) {
 326                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 327                                           list);
 328                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 329                 if (pwr_ctr->type == GPIO)
 330                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 331         }
 332         return 0;
 333 }
 334
 335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 336                                  struct rk_screen *screen)
 337 {
 338         screen->mode.pixclock = dt->pixelclock.typ;
 339         screen->mode.left_margin = dt->hback_porch.typ;
 340         screen->mode.right_margin = dt->hfront_porch.typ;
 341         screen->mode.xres = dt->hactive.typ;
 342         screen->mode.hsync_len = dt->hsync_len.typ;
 343         screen->mode.upper_margin = dt->vback_porch.typ;
 344         screen->mode.lower_margin = dt->vfront_porch.typ;
 345         screen->mode.yres = dt->vactive.typ;
 346         screen->mode.vsync_len = dt->vsync_len.typ;
 347         screen->type = dt->screen_type;
 348         screen->lvds_format = dt->lvds_format;
 349         screen->face = dt->face;
 350
 351         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 352                 screen->pin_dclk = 1;
 353         else
 354                 screen->pin_dclk = 0;
 355         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 356                 screen->pin_hsync = 1;
 357         else
 358                 screen->pin_hsync = 0;
 359         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 360                 screen->pin_vsync = 1;
 361         else
 362                 screen->pin_vsync = 0;
 363         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 364                 screen->pin_den = 1;
 365         else
 366                 screen->pin_den = 0;
 367
 368         return 0;
 369
 370 }
 371
 372 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 373 {
 374         struct display_timings *disp_timing;
 375         struct display_timing *dt;
 376         disp_timing = of_get_display_timings(np);
 377         if (!disp_timing) {
 378                 pr_err("parse display timing err\n");
 379                 return -EINVAL;
 380         }
 381         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 382         rk_fb_video_mode_from_timing(dt, screen);
 383         return 0;
 384
 385 }
 386
 387 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 388 {
 389         int x, y;
 390         unsigned long long hz;
 391         if (!screen) {
 392                 printk(KERN_ERR "%s:null screen!\n", __func__);
 393                 return 0;
 394         }
 395         x = screen->mode.xres + screen->mode.left_margin +
 396             screen->mode.right_margin + screen->mode.hsync_len;
 397         y = screen->mode.yres + screen->mode.upper_margin +
 398             screen->mode.lower_margin + screen->mode.vsync_len;
 399
 400         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 401
 402         hz += (x * y) / 2;
 403         do_div(hz, x * y);      /* divide by x * y with rounding */
 404
 405         hz += pixclock / 2;
 406         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 407
 408         return hz;
 409 }
 410
 411 char *get_format_string(enum data_format format, char *fmt)
 412 {
 413         if (!fmt)
 414                 return NULL;
 415         switch (format) {
 416         case ARGB888:
 417                 strcpy(fmt, "ARGB888");
 418                 break;
 419         case RGB888:
 420                 strcpy(fmt, "RGB888");
 421                 break;
 422         case RGB565:
 423                 strcpy(fmt, "RGB565");
 424                 break;
 425         case YUV420:
 426                 strcpy(fmt, "YUV420");
 427                 break;
 428         case YUV422:
 429                 strcpy(fmt, "YUV422");
 430                 break;
 431         case YUV444:
 432                 strcpy(fmt, "YUV444");
 433                 break;
 434         case YUV420_A:
 435                 strcpy(fmt, "YUV420_A");
 436                 break;
 437         case YUV422_A:
 438                 strcpy(fmt, "YUV422_A");
 439                 break;
 440         case YUV444_A:
 441                 strcpy(fmt, "YUV444_A");
 442                 break;
 443         case XRGB888:
 444                 strcpy(fmt, "XRGB888");
 445                 break;
 446         case XBGR888:
 447                 strcpy(fmt, "XBGR888");
 448                 break;
 449         case ABGR888:
 450                 strcpy(fmt, "XBGR888");
 451                 break;
 452         default:
 453                 strcpy(fmt, "invalid");
 454                 break;
 455         }
 456
 457         return fmt;
 458
 459 }
 460
 461 /*
 462  * this is for hdmi
 463  * name: lcdc device name ,lcdc0 , lcdc1
 464  */
 465 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 466 {
 467         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
 468         int i = 0;
 469         for (i = 0; i < inf->num_lcdc; i++) {
 470                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name))
 471                         break;
 472         }
 473         return inf->lcdc_dev_drv[i];
 474
 475 }
 476
 477 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 478 {
 479         struct rk_fb *inf = NULL;
 480         struct rk_lcdc_driver *dev_drv = NULL;
 481         int i = 0;
 482
 483         if (likely(fb_pdev))
 484                 inf = platform_get_drvdata(fb_pdev);
 485         else
 486                 return NULL;
 487
 488         for (i = 0; i < inf->num_lcdc; i++) {
 489                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 490                         dev_drv = inf->lcdc_dev_drv[i];
 491                         break;
 492                 }
 493         }
 494
 495         return dev_drv;
 496 }
 497
 498 /*
 499  * get one frame time of the prmry screen, unit: us
 500  */
 501 u32 rk_fb_get_prmry_screen_ft(void)
 502 {
 503         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 504         uint32_t htotal, vtotal, pixclock_ps;
 505         u64 pix_total, ft_us;
 506
 507         if (unlikely(!dev_drv))
 508                 return 0;
 509
 510         pixclock_ps = dev_drv->pixclock;
 511
 512         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 513                  dev_drv->cur_screen->mode.lower_margin +
 514                  dev_drv->cur_screen->mode.yres +
 515                  dev_drv->cur_screen->mode.vsync_len);
 516         htotal = (dev_drv->cur_screen->mode.left_margin +
 517                  dev_drv->cur_screen->mode.right_margin +
 518                  dev_drv->cur_screen->mode.xres +
 519                  dev_drv->cur_screen->mode.hsync_len);
 520         pix_total = htotal * vtotal;
 521         ft_us = pix_total * pixclock_ps;
 522         do_div(ft_us, 1000000);
 523         if (dev_drv->frame_time.ft == 0)
 524                 dev_drv->frame_time.ft = ft_us;
 525
 526         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 527         do_div(ft_us, 1000);
 528         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 529         if (ft_us != 0)
 530                 dev_drv->frame_time.ft = ft_us;
 531
 532         return dev_drv->frame_time.ft;
 533 }
 534
 535 /*
 536  * get the vblanking time of the prmry screen, unit: us
 537  */
 538 u32 rk_fb_get_prmry_screen_vbt(void)
 539 {
 540         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 541         uint32_t htotal, vblank, pixclock_ps;
 542         u64 pix_blank, vbt_us;
 543
 544         if (unlikely(!dev_drv))
 545                 return 0;
 546
 547         pixclock_ps = dev_drv->pixclock;
 548
 549         htotal = (dev_drv->cur_screen->mode.left_margin +
 550                  dev_drv->cur_screen->mode.right_margin +
 551                  dev_drv->cur_screen->mode.xres +
 552                  dev_drv->cur_screen->mode.hsync_len);
 553         vblank = (dev_drv->cur_screen->mode.upper_margin +
 554                  dev_drv->cur_screen->mode.lower_margin +
 555                  dev_drv->cur_screen->mode.vsync_len);
 556         pix_blank = htotal * vblank;
 557         vbt_us = pix_blank * pixclock_ps;
 558         do_div(vbt_us, 1000000);
 559         return (u32)vbt_us;
 560 }
 561
 562 /*
 563  * get the frame done time of the prmry screen, unit: us
 564  */
 565 u64 rk_fb_get_prmry_screen_framedone_t(void)
 566 {
 567         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 568
 569         if (unlikely(!dev_drv))
 570                 return 0;
 571         else
 572                 return dev_drv->frame_time.framedone_t;
 573 }
 574
 575 /*
 576  * set prmry screen status
 577  */
 578 int rk_fb_set_prmry_screen_status(int status)
 579 {
 580         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 581         struct rk_screen *screen;
 582
 583         if (unlikely(!dev_drv))
 584                 return 0;
 585
 586         screen = dev_drv->cur_screen;
 587         switch (status) {
 588         case SCREEN_PREPARE_DDR_CHANGE:
 589                 if (screen->type == SCREEN_MIPI
 590                         || screen->type == SCREEN_DUAL_MIPI) {
 591                         if (dev_drv->trsm_ops->dsp_pwr_off)
 592                                 dev_drv->trsm_ops->dsp_pwr_off();
 593                 }
 594                 break;
 595         case SCREEN_UNPREPARE_DDR_CHANGE:
 596                 if (screen->type == SCREEN_MIPI
 597                         || screen->type == SCREEN_DUAL_MIPI) {
 598                         if (dev_drv->trsm_ops->dsp_pwr_on)
 599                                 dev_drv->trsm_ops->dsp_pwr_on();
 600                 }
 601                 break;
 602         default:
 603                 break;
 604         }
 605
 606         return 0;
 607 }
 608
 609 #if 0
 610 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 611 {
 612         struct rk_fb *inf = NULL;
 613         struct rk_lcdc_driver *dev_drv = NULL;
 614         int i = 0;
 615
 616         if (likely(fb_pdev))
 617                 inf = platform_get_drvdata(fb_pdev);
 618         else
 619                 return NULL;
 620
 621         for (i = 0; i < inf->num_lcdc; i++) {
 622                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 623                         dev_drv = inf->lcdc_dev_drv[i];
 624                         break;
 625                 }
 626         }
 627
 628         return dev_drv;
 629 }
 630 #endif
 631
 632 u32 rk_fb_get_prmry_screen_pixclock(void)
 633 {
 634         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 635
 636         if (unlikely(!dev_drv))
 637                 return 0;
 638         else
 639                 return dev_drv->pixclock;
 640 }
 641
 642 int rk_fb_poll_prmry_screen_vblank(void)
 643 {
 644         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 645
 646         if (likely(dev_drv)) {
 647                 if (dev_drv->ops->poll_vblank)
 648                         return dev_drv->ops->poll_vblank(dev_drv);
 649                 else
 650                         return RK_LF_STATUS_NC;
 651         } else
 652                 return RK_LF_STATUS_NC;
 653 }
 654
 655 bool rk_fb_poll_wait_frame_complete(void)
 656 {
 657         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 658         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 659
 660         if (likely(dev_drv)) {
 661                 if (dev_drv->ops->set_irq_to_cpu)
 662                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 663         }
 664
 665         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 666                 if (likely(dev_drv)) {
 667                         if (dev_drv->ops->set_irq_to_cpu)
 668                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 669                 }
 670                 return false;
 671         }
 672         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 673                 ;
 674         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 675                 ;
 676         if (likely(dev_drv)) {
 677                 if (dev_drv->ops->set_irq_to_cpu)
 678                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 679         }
 680
 681         return true;
 682 }
 683
 684 static int rk_fb_open(struct fb_info *info, int user)
 685 {
 686         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 687         int win_id;
 688
 689         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 690         dev_drv->win[win_id]->logicalstate++;
 691         /* if this win aready opened ,no need to reopen */
 692         if (dev_drv->win[win_id]->state)
 693                 return 0;
 694         else
 695                 dev_drv->ops->open(dev_drv, win_id, 1);
 696         return 0;
 697 }
 698
 699 static int get_extend_fb_id(struct fb_info *info)
 700 {
 701         int fb_id = 0;
 702         char *id = info->fix.id;
 703         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 704
 705         if (!strcmp(id, "fb0"))
 706                 fb_id = 0;
 707         else if (!strcmp(id, "fb1"))
 708                 fb_id = 1;
 709         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 710                 fb_id = 2;
 711         return fb_id;
 712 }
 713
 714 static int rk_fb_close(struct fb_info *info, int user)
 715 {
 716         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 717         struct rk_lcdc_win *win = NULL;
 718         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 719
 720         if (win_id >= 0) {
 721                 dev_drv->win[win_id]->logicalstate--;
 722                 if (!dev_drv->win[win_id]->logicalstate) {
 723                         win = dev_drv->win[win_id];
 724                         info->fix.smem_start = win->reserved;
 725                         info->var.xres = dev_drv->screen0->mode.xres;
 726                         info->var.yres = dev_drv->screen0->mode.yres;
 727                         info->var.grayscale |=
 728                             (info->var.xres << 8) + (info->var.yres << 20);
 729                         info->var.xres_virtual = info->var.xres;
 730                         info->var.yres_virtual = info->var.yres;
 731 #if defined(CONFIG_LOGO_LINUX_BMP)
 732                         info->var.bits_per_pixel = 32;
 733 #else
 734                         info->var.bits_per_pixel = 16;
 735 #endif
 736                         info->fix.line_length =
 737                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 738                         info->var.width = dev_drv->screen0->width;
 739                         info->var.height = dev_drv->screen0->height;
 740                         info->var.pixclock = dev_drv->pixclock;
 741                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 742                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 743                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 744                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 745                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 746                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 747                 }
 748         }
 749
 750         return 0;
 751 }
 752
 753
 754 #if defined(CONFIG_RK29_IPP)
 755 static int get_ipp_format(int fmt)
 756 {
 757         int ipp_fmt = IPP_XRGB_8888;
 758         switch (fmt) {
 759         case HAL_PIXEL_FORMAT_RGBX_8888:
 760         case HAL_PIXEL_FORMAT_RGBA_8888:
 761         case HAL_PIXEL_FORMAT_BGRA_8888:
 762         case HAL_PIXEL_FORMAT_RGB_888:
 763                 ipp_fmt = IPP_XRGB_8888;
 764                 break;
 765         case HAL_PIXEL_FORMAT_RGB_565:
 766                 ipp_fmt = IPP_RGB_565;
 767                 break;
 768         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 769                 ipp_fmt = IPP_Y_CBCR_H2V1;
 770                 break;
 771         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 772                 ipp_fmt = IPP_Y_CBCR_H2V2;
 773                 break;
 774         case HAL_PIXEL_FORMAT_YCrCb_444:
 775                 ipp_fmt = IPP_Y_CBCR_H1V1;
 776                 break;
 777         default:
 778                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 779                 break;
 780         }
 781
 782         return ipp_fmt;
 783 }
 784
 785 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 786                           int rotation, int fmt)
 787 {
 788         int align16 = 2;
 789         int align64 = 8;
 790
 791         if (fmt == IPP_XRGB_8888) {
 792                 align16 = 1;
 793                 align64 = 2;
 794         } else if (fmt == IPP_RGB_565) {
 795                 align16 = 1;
 796                 align64 = 4;
 797         } else {
 798                 align16 = 2;
 799                 align64 = 8;
 800         }
 801         align16 -= 1;           /*for YUV, 1 */
 802         align64 -= 1;           /*for YUV, 7 */
 803
 804         if (rotation == IPP_ROT_0) {
 805                 if (fmt > IPP_RGB_565) {
 806                         if ((*dst_w & 1) != 0)
 807                                 *dst_w = *dst_w + 1;
 808                         if ((*dst_h & 1) != 0)
 809                                 *dst_h = *dst_h + 1;
 810                         if (*dst_vir_w < *dst_w)
 811                                 *dst_vir_w = *dst_w;
 812                 }
 813         } else {
 814
 815                 if ((*dst_w & align64) != 0)
 816                         *dst_w = (*dst_w + align64) & (~align64);
 817                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 818                         *dst_h = *dst_h + 1;
 819                 if (*dst_vir_w < *dst_w)
 820                         *dst_vir_w = *dst_w;
 821         }
 822
 823 }
 824
 825 static void fb_copy_by_ipp(struct fb_info *dst_info,
 826                            struct fb_info *src_info, int offset)
 827 {
 828         struct rk29_ipp_req ipp_req;
 829         uint32_t rotation = 0;
 830         int dst_w, dst_h, dst_vir_w;
 831         int ipp_fmt;
 832         u8 data_format = (dst_info->var.nonstd) & 0xff;
 833         struct rk_lcdc_driver *ext_dev_drv =
 834                         (struct rk_lcdc_driver *)dst_info->par;
 835         u16 orientation = ext_dev_drv->rotate_mode;
 836
 837         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 838
 839         switch (orientation) {
 840         case 0:
 841                 rotation = IPP_ROT_0;
 842                 break;
 843         case ROTATE_90:
 844                 rotation = IPP_ROT_90;
 845                 break;
 846         case ROTATE_180:
 847                 rotation = IPP_ROT_180;
 848                 break;
 849         case ROTATE_270:
 850                 rotation = IPP_ROT_270;
 851                 break;
 852         default:
 853                 rotation = IPP_ROT_270;
 854                 break;
 855
 856         }
 857
 858         dst_w = dst_info->var.xres;
 859         dst_h = dst_info->var.yres;
 860         dst_vir_w = dst_info->var.xres_virtual;
 861         ipp_fmt = get_ipp_format(data_format);
 862         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 863         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 864         ipp_req.src0.w = src_info->var.xres;
 865         ipp_req.src0.h = src_info->var.yres;
 866         ipp_req.src_vir_w = src_info->var.xres_virtual;
 867         ipp_req.src0.fmt = ipp_fmt;
 868
 869         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 870         ipp_req.dst0.w = dst_w;
 871         ipp_req.dst0.h = dst_h;
 872         ipp_req.dst_vir_w = dst_vir_w;
 873         ipp_req.dst0.fmt = ipp_fmt;
 874
 875         ipp_req.timeout = 100;
 876         ipp_req.flag = rotation;
 877         ipp_blit_sync(&ipp_req);
 878
 879 }
 880
 881 #endif
 882
 883 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 884 static int get_rga_format(int fmt)
 885 {
 886         int rga_fmt = 0;
 887
 888         switch (fmt) {
 889         case XBGR888:
 890                 rga_fmt = RK_FORMAT_RGBX_8888;
 891                 break;
 892         case ABGR888:
 893                 rga_fmt = RK_FORMAT_RGBA_8888;
 894                 break;
 895         case ARGB888:
 896                 rga_fmt = RK_FORMAT_BGRA_8888;
 897                 break;
 898         case RGB888:
 899                 rga_fmt = RK_FORMAT_RGB_888;
 900                 break;
 901         case RGB565:
 902                 rga_fmt = RK_FORMAT_RGB_565;
 903                 break;
 904         case YUV422:
 905                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 906                 break;
 907         case YUV420:
 908                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 909                 break;
 910         default:
 911                 rga_fmt = RK_FORMAT_RGBA_8888;
 912                 break;
 913         }
 914
 915         return rga_fmt;
 916 }
 917
 918 static void rga_win_check(struct rk_lcdc_win *dst_win,
 919                           struct rk_lcdc_win *src_win)
 920 {
 921         int align32 = 4;
 922
 923         align32 -= 1;
 924         /*width and height must be aligned by 32 bit */
 925         if ((src_win->area[0].xact & align32) != 0)
 926                 src_win->area[0].xact =
 927                     (src_win->area[0].xact + align32) & (~align32);
 928         if ((src_win->area[0].yact & align32) != 0)
 929                 src_win->area[0].yact =
 930                     (src_win->area[0].yact + align32) & (~align32);
 931         if (src_win->area[0].xvir < src_win->area[0].xact)
 932                 src_win->area[0].xvir = src_win->area[0].xact;
 933         if (src_win->area[0].yvir < src_win->area[0].yact)
 934                 src_win->area[0].yvir = src_win->area[0].yact;
 935
 936         if ((dst_win->area[0].xact & align32) != 0)
 937                 dst_win->area[0].xact =
 938                     (dst_win->area[0].xact + align32) & (~align32);
 939         if ((dst_win->area[0].yact & align32) != 0)
 940                 dst_win->area[0].yact =
 941                     (dst_win->area[0].yact + align32) & (~align32);
 942         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 943                 dst_win->area[0].xvir = dst_win->area[0].xact;
 944         if (dst_win->area[0].yvir < dst_win->area[0].yact)
 945                 dst_win->area[0].yvir = dst_win->area[0].yact;
 946 }
 947
 948 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
 949                             struct rk_lcdc_win *src_win, u16 orientation)
 950 {
 951         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
 952         struct rga_req Rga_Request;
 953         long ret = 0;
 954         /* int fd = 0; */
 955
 956         memset(&Rga_Request, 0, sizeof(Rga_Request));
 957         rga_win_check(dst_win, src_win);
 958
 959         switch (orientation) {
 960         case ROTATE_90:
 961                 Rga_Request.rotate_mode = 1;
 962                 Rga_Request.sina = 65536;
 963                 Rga_Request.cosa = 0;
 964                 Rga_Request.dst.act_w = dst_win->area[0].yact;
 965                 Rga_Request.dst.act_h = dst_win->area[0].xact;
 966                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 967                 Rga_Request.dst.y_offset = 0;
 968                 break;
 969         case ROTATE_180:
 970                 Rga_Request.rotate_mode = 1;
 971                 Rga_Request.sina = 0;
 972                 Rga_Request.cosa = -65536;
 973                 Rga_Request.dst.act_w = dst_win->area[0].xact;
 974                 Rga_Request.dst.act_h = dst_win->area[0].yact;
 975                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 976                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 977                 break;
 978         case ROTATE_270:
 979                 Rga_Request.rotate_mode = 1;
 980                 Rga_Request.sina = -65536;
 981                 Rga_Request.cosa = 0;
 982                 Rga_Request.dst.act_w = dst_win->area[0].yact;
 983                 Rga_Request.dst.act_h = dst_win->area[0].xact;
 984                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 985                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 986                 break;
 987         default:
 988                 Rga_Request.rotate_mode = 0;
 989                 Rga_Request.dst.act_w = dst_win->area[0].xact;
 990                 Rga_Request.dst.act_h = dst_win->area[0].yact;
 991                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 992                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 993                 break;
 994         }
 995
 996 #if defined(CONFIG_ROCKCHIP_RGA)
 997         Rga_Request.src.yrgb_addr =
 998             src_win->area[0].smem_start + src_win->area[0].y_offset;
 999         Rga_Request.src.uv_addr = 0;
1000         Rga_Request.src.v_addr = 0;
1001
1002         dst_win->area[0].smem_start =
1003             rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1004         Rga_Request.dst.yrgb_addr =
1005             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1006         Rga_Request.dst.uv_addr = 0;
1007         Rga_Request.dst.v_addr = 0;
1008 #elif defined(CONFIG_ROCKCHIP_RGA2)
1009 /*
1010         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1011         Rga_Request.src.yrgb_addr = fd;
1012         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1013         Rga_Request.dst.yrgb_addr = fd;
1014 */
1015         Rga_Request.src.yrgb_addr = 0;
1016         Rga_Request.src.uv_addr =
1017             src_win->area[0].smem_start + src_win->area[0].y_offset;
1018         Rga_Request.src.v_addr = 0;
1019
1020         dst_win->area[0].smem_start =
1021             rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1022         Rga_Request.dst.yrgb_addr = 0;
1023         Rga_Request.dst.uv_addr =
1024             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1025         Rga_Request.dst.v_addr = 0;
1026 #endif
1027
1028         Rga_Request.src.vir_w = src_win->area[0].xvir;
1029         Rga_Request.src.vir_h = src_win->area[0].yvir;
1030         Rga_Request.src.format = get_rga_format(src_win->format);
1031         Rga_Request.src.act_w = src_win->area[0].xact;
1032         Rga_Request.src.act_h = src_win->area[0].yact;
1033         Rga_Request.src.x_offset = 0;
1034         Rga_Request.src.y_offset = 0;
1035
1036         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1037         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1038         Rga_Request.dst.format = get_rga_format(dst_win->format);
1039
1040         Rga_Request.clip.xmin = 0;
1041         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1042         Rga_Request.clip.ymin = 0;
1043         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1044         Rga_Request.scale_mode = 0;
1045 #if defined(CONFIG_ROCKCHIP_IOMMU)
1046         Rga_Request.mmu_info.mmu_en = 1;        /* TODO Modify for use mmu */
1047         Rga_Request.mmu_info.mmu_flag = 1;
1048 #else
1049         Rga_Request.mmu_info.mmu_en = 0;
1050         Rga_Request.mmu_info.mmu_flag = 0;
1051 #endif
1052
1053         ret = rga_ioctl_kernel(&Rga_Request);
1054 }
1055
1056 /*
1057  * This function is used for copying fb by RGA Module
1058  * RGA only support copy RGB to RGB
1059  * RGA2 support copy RGB to RGB and YUV to YUV
1060  */
1061 static void fb_copy_by_rga(struct fb_info *dst_info, struct fb_info *src_info,
1062                            int yrgb_offset)
1063 {
1064         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1065         struct rk_lcdc_driver *ext_dev_drv =
1066             (struct rk_lcdc_driver *)dst_info->par;
1067         int win_id = 0, ext_win_id;
1068         struct rk_lcdc_win *src_win, *dst_win;
1069
1070         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1071         src_win = dev_drv->win[win_id];
1072
1073         ext_win_id =
1074             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1075         dst_win = ext_dev_drv->win[ext_win_id];
1076
1077         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode);
1078 }
1079
1080 #endif
1081
1082 static int rk_fb_rotate(struct fb_info *dst_info,
1083                         struct fb_info *src_info, int offset)
1084 {
1085 #if defined(CONFIG_RK29_IPP)
1086         fb_copy_by_ipp(dst_info, src_info, offset);
1087 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1088         fb_copy_by_rga(dst_info, src_info, offset);
1089 #else
1090         return -1;
1091 #endif
1092         return 0;
1093 }
1094
1095 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1096                             struct rk_lcdc_win *src_win, u16 rotate)
1097 {
1098 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1099         win_copy_by_rga(dst_win, src_win, rotate);
1100 #else
1101         return -1;
1102 #endif
1103         return 0;
1104 }
1105
1106
1107 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1108                              struct fb_info *info)
1109 {
1110         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1111         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1112         struct fb_fix_screeninfo *fix = &info->fix;
1113         struct fb_info *extend_info = NULL;
1114         struct rk_lcdc_driver *extend_dev_drv = NULL;
1115         int win_id = 0, extend_win_id = 0;
1116         struct rk_lcdc_win *extend_win = NULL;
1117         struct rk_lcdc_win *win = NULL;
1118         struct rk_screen *screen = dev_drv->cur_screen;
1119         int fb_id = 0;
1120
1121         u32 xoffset = var->xoffset;
1122         u32 yoffset = var->yoffset;
1123         u32 xvir = var->xres_virtual;
1124         /* u32 yvir = var->yres_virtual; */
1125         /* u8 data_format = var->nonstd&0xff; */
1126
1127         u8 pixel_width;
1128         u32 vir_width_bit;
1129         u32 stride, uv_stride;
1130         u32 stride_32bit_1;
1131         u32 stride_32bit_2;
1132         u16 uv_x_off, uv_y_off, uv_y_act;
1133         u8 is_pic_yuv = 0;
1134
1135         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1136         if (win_id < 0)
1137                 return -ENODEV;
1138         else
1139                 win = dev_drv->win[win_id];
1140
1141         if (rk_fb->disp_mode == DUAL) {
1142                 fb_id = get_extend_fb_id(info);
1143                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1144                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1145                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1146                                                            extend_info->fix.id);
1147                 extend_win = extend_dev_drv->win[extend_win_id];
1148         }
1149
1150         pixel_width = rk_fb_pixel_width(win->format);
1151         vir_width_bit = pixel_width * xvir;
1152         /* pixel_width = byte_num * 8 */
1153         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1154         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1155
1156         switch (win->format) {
1157         case YUV422:
1158         case YUV422_A:
1159                 is_pic_yuv = 1;
1160                 stride = stride_32bit_1;
1161                 uv_stride = stride_32bit_1 >> 1;
1162                 uv_x_off = xoffset >> 1;
1163                 uv_y_off = yoffset;
1164                 fix->line_length = stride;
1165                 uv_y_act = win->area[0].yact >> 1;
1166                 break;
1167         case YUV420:            /* 420sp */
1168         case YUV420_A:
1169                 is_pic_yuv = 1;
1170                 stride = stride_32bit_1;
1171                 uv_stride = stride_32bit_1;
1172                 uv_x_off = xoffset;
1173                 uv_y_off = yoffset >> 1;
1174                 fix->line_length = stride;
1175                 uv_y_act = win->area[0].yact >> 1;
1176                 break;
1177         case YUV444:
1178         case YUV444_A:
1179                 is_pic_yuv = 1;
1180                 stride = stride_32bit_1;
1181                 uv_stride = stride_32bit_2;
1182                 uv_x_off = xoffset * 2;
1183                 uv_y_off = yoffset;
1184                 fix->line_length = stride << 2;
1185                 uv_y_act = win->area[0].yact;
1186                 break;
1187         default:
1188                 stride = stride_32bit_1;        /* default rgb */
1189                 fix->line_length = stride;
1190                 break;
1191         }
1192
1193         /* x y mirror ,jump line */
1194         if (screen->y_mirror == 1) {
1195                 if (screen->interlace == 1) {
1196                         win->area[0].y_offset = yoffset * stride * 2 +
1197                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1198                             xoffset * pixel_width / 8;
1199                 } else {
1200                         win->area[0].y_offset = yoffset * stride +
1201                             (win->area[0].yact - 1) * stride +
1202                             xoffset * pixel_width / 8;
1203                 }
1204         } else {
1205                 if (screen->interlace == 1) {
1206                         win->area[0].y_offset =
1207                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1208                 } else {
1209                         win->area[0].y_offset =
1210                             yoffset * stride + xoffset * pixel_width / 8;
1211                 }
1212         }
1213         if (is_pic_yuv == 1) {
1214                 if (screen->y_mirror == 1) {
1215                         if (screen->interlace == 1) {
1216                                 win->area[0].c_offset =
1217                                     uv_y_off * uv_stride * 2 +
1218                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1219                                     uv_x_off * pixel_width / 8;
1220                         } else {
1221                                 win->area[0].c_offset = uv_y_off * uv_stride +
1222                                     (uv_y_act - 1) * uv_stride +
1223                                     uv_x_off * pixel_width / 8;
1224                         }
1225                 } else {
1226                         if (screen->interlace == 1) {
1227                                 win->area[0].c_offset =
1228                                     uv_y_off * uv_stride * 2 +
1229                                     uv_x_off * pixel_width / 8;
1230                         } else {
1231                                 win->area[0].c_offset =
1232                                     uv_y_off * uv_stride +
1233                                     uv_x_off * pixel_width / 8;
1234                         }
1235                 }
1236         }
1237
1238         win->area[0].smem_start = fix->smem_start;
1239         win->area[0].cbr_start = fix->mmio_start;
1240         win->area[0].state = 1;
1241         win->area_num = 1;
1242         win->state = 1;
1243
1244         dev_drv->ops->pan_display(dev_drv, win_id);
1245         if (rk_fb->disp_mode == DUAL) {
1246                 if (extend_win->state && (hdmi_switch_complete)) {
1247                         extend_win->area[0].y_offset = win->area[0].y_offset;
1248                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR) {
1249                                 rk_fb_rotate(extend_info, info,
1250                                                 win->area[0].y_offset);
1251                         } else {
1252                                 extend_win->area[0].smem_start =
1253                                                 win->area[0].smem_start;
1254                                 extend_win->area[0].cbr_start =
1255                                                 win->area[0].cbr_start;
1256                         }
1257                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1258                                                          extend_win_id);
1259                 }
1260         }
1261 #ifdef  CONFIG_FB_MIRRORING
1262         if (video_data_to_mirroring)
1263                 video_data_to_mirroring(info, NULL);
1264 #endif
1265         dev_drv->ops->cfg_done(dev_drv);
1266         return 0;
1267 }
1268
1269 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1270 {
1271         int i, j;
1272         i = list_empty(&dev_drv->update_regs_list);
1273         j = list_empty(&saved_list);
1274         return i == j ? 0 : 1;
1275
1276 }
1277
1278 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1279 {
1280         int err = sync_fence_wait(fence, 1000);
1281
1282         if (err >= 0)
1283                 return;
1284
1285         if (err == -ETIME)
1286                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1287
1288         if (err < 0)
1289                 printk("error waiting on fence\n");
1290 }
1291
1292 static int rk_fb_copy_from_loader(struct fb_info *info)
1293 {
1294         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1295         void *dst = info->screen_base;
1296         u32 dsp_addr[4];
1297         u32 src;
1298         u32 i;
1299         struct rk_lcdc_win *win = dev_drv->win[0];
1300         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1301         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1302         src = dsp_addr[0];
1303         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1304                  win->area[0].xact, win->area[0].yact, src);
1305         for (i = 0; i < size; i += PAGE_SIZE) {
1306                 void *page = phys_to_page(i + src);
1307                 void *from_virt = kmap(page);
1308                 void *to_virt = dst + i;
1309                 memcpy(to_virt, from_virt, PAGE_SIZE);
1310         }
1311         return 0;
1312 }
1313
1314 #ifdef CONFIG_ROCKCHIP_IOMMU
1315 static int g_last_addr[4];
1316 int g_last_timeout;
1317 u32 freed_addr[10];
1318 u32 freed_index;
1319
1320 #define DUMP_CHUNK 256
1321 char buf[PAGE_SIZE];
1322
1323 int rk_fb_sysmmu_fault_handler(struct device *dev,
1324                                enum rk_sysmmu_inttype itype,
1325                                unsigned long pgtable_base,
1326                                unsigned long fault_addr, unsigned int status)
1327 {
1328         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1329         int i = 0;
1330         static int page_fault_cnt;
1331         if ((page_fault_cnt++) >= 10)
1332                 return 0;
1333         pr_err
1334             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1335              fault_addr, pgtable_base, status);
1336         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1337                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1338                g_last_addr[2], g_last_addr[3]);
1339         printk("last freed buffer:\n");
1340         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1341                 printk("%d:0x%08x\n", i, freed_addr[i]);
1342         printk("last timeout:%d\n", g_last_timeout);
1343         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1344         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1345                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1346                         char c = buf[i + DUMP_CHUNK];
1347                         buf[i + DUMP_CHUNK] = 0;
1348                         pr_cont("%s", buf + i);
1349                         buf[i + DUMP_CHUNK] = c;
1350                 } else {
1351                         buf[PAGE_SIZE - 1] = 0;
1352                         pr_cont("%s", buf + i);
1353                 }
1354         }
1355
1356         return 0;
1357 }
1358 #endif
1359
1360 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1361                         struct rk_fb_reg_win_data *reg_win_data)
1362 {
1363         int i, index_buf;
1364         struct rk_fb_reg_area_data *area_data;
1365         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1366
1367         for (i = 0; i < reg_win_data->area_num; i++) {
1368                 area_data = &reg_win_data->reg_area_data[i];
1369                 index_buf = area_data->index_buf;
1370 #if defined(CONFIG_ROCKCHIP_IOMMU)
1371                 if (dev_drv->iommu_enabled) {
1372                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1373                                         area_data->ion_handle);
1374                         freed_addr[freed_index++] = area_data->smem_start;
1375                 }
1376 #endif
1377                 if (area_data->ion_handle != NULL) {
1378                         ion_unmap_kernel(rk_fb->ion_client,
1379                                          area_data->ion_handle);
1380                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1381                 }
1382                 if (area_data->acq_fence)
1383                         sync_fence_put(area_data->acq_fence);
1384         }
1385         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1386 }
1387
1388 static void rk_fb_update_driver(struct rk_lcdc_win *win,
1389                                 struct rk_fb_reg_win_data *reg_win_data)
1390 {
1391         int i = 0;
1392 /*
1393         struct rk_lcdc_win *win;
1394         win = dev_drv->win[reg_win_data->win_id];
1395 */
1396         win->area_num = reg_win_data->area_num;
1397         win->format = reg_win_data->data_format;
1398         win->id = reg_win_data->win_id;
1399         win->z_order = reg_win_data->z_order;
1400
1401         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1402                 win->state = 1;
1403                 win->area_num = reg_win_data->area_num;
1404                 win->format = reg_win_data->data_format;
1405                 win->id = reg_win_data->win_id;
1406                 win->z_order = reg_win_data->z_order;
1407                 win->area[0].uv_vir_stride =
1408                     reg_win_data->reg_area_data[0].uv_vir_stride;
1409
1410 #if !defined(RK_FB_ROTATE) && defined(CONFIG_THREE_FB_BUFFER)
1411                 /* TODO Mofidy if HDMI info is change to hwc */
1412                 win->area[0].cbr_start =
1413                     reg_win_data->reg_area_data[0].cbr_start;
1414 #endif
1415                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1416                 win->alpha_en = reg_win_data->alpha_en;
1417                 win->alpha_mode = reg_win_data->alpha_mode;
1418                 win->g_alpha_val = reg_win_data->g_alpha_val;
1419                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1420                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1421 #if !defined(RK_FB_ROTATE) && defined(CONFIG_THREE_FB_BUFFER)
1422                                 win->area[i].smem_start =
1423                                     reg_win_data->reg_area_data[i].smem_start;
1424 #endif
1425                                 win->area[i].xpos =
1426                                     reg_win_data->reg_area_data[i].xpos;
1427                                 win->area[i].ypos =
1428                                     reg_win_data->reg_area_data[i].ypos;
1429                                 win->area[i].xsize =
1430                                     reg_win_data->reg_area_data[i].xsize;
1431                                 win->area[i].ysize =
1432                                     reg_win_data->reg_area_data[i].ysize;
1433                                 win->area[i].xact =
1434                                     reg_win_data->reg_area_data[i].xact;
1435                                 win->area[i].yact =
1436                                     reg_win_data->reg_area_data[i].yact;
1437                                 win->area[i].xvir =
1438                                     reg_win_data->reg_area_data[i].xvir;
1439                                 win->area[i].yvir =
1440                                     reg_win_data->reg_area_data[i].yvir;
1441                                 win->area[i].y_offset =
1442                                     reg_win_data->reg_area_data[i].y_offset;
1443                                 win->area[i].y_vir_stride =
1444                                     reg_win_data->reg_area_data[i].y_vir_stride;
1445                                 win->area[i].state = 1;
1446                         } else {
1447                                 win->area[i].state = 0;
1448                         }
1449                 }
1450         } else {
1451         /*
1452                 win->state = 0;
1453                 win->z_order = -1;
1454         */
1455         }
1456
1457 }
1458
1459 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1460                                                      *regs, int win_id)
1461 {
1462         int i;
1463         struct rk_fb_reg_win_data *win_data = NULL;
1464         for (i = 0; i < regs->win_num; i++) {
1465                 if (regs->reg_win_data[i].win_id == win_id) {
1466                         win_data = &(regs->reg_win_data[i]);
1467                         break;
1468                 }
1469         }
1470
1471         return win_data;
1472 }
1473
1474 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1475                              struct rk_fb_reg_data *regs)
1476 {
1477         int i, j;
1478         struct rk_lcdc_win *win;
1479         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1480         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1481         struct rk_lcdc_driver *ext_dev_drv;
1482         struct rk_lcdc_win *ext_win;
1483         struct rk_fb_reg_win_data *win_data;
1484         bool wait_for_vsync;
1485         int count = 100;
1486         unsigned int dsp_addr[4];
1487         long timeout;
1488
1489         /* acq_fence wait */
1490         for (i = 0; i < regs->win_num; i++) {
1491                 win_data = &regs->reg_win_data[i];
1492                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1493                         if (win_data->reg_area_data[j].acq_fence) {
1494                                 /* printk("acq_fence wait!!!!!\n"); */
1495                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1496                         }
1497                 }
1498         }
1499
1500         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1501                 win = dev_drv->win[i];
1502                 win_data = rk_fb_get_win_data(regs, i);
1503                 if (win_data) {
1504                         rk_fb_update_driver(win, win_data);
1505                         win->state = 1;
1506                         dev_drv->ops->set_par(dev_drv, i);
1507                         dev_drv->ops->pan_display(dev_drv, i);
1508 #if defined(CONFIG_ROCKCHIP_IOMMU)
1509                         if (dev_drv->iommu_enabled) {
1510                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1511                                         win_data->reg_area_data[0].y_offset;
1512                         }
1513 #endif
1514                 } else {
1515                         win->z_order = -1;
1516                         win->state = 0;
1517                 }
1518         }
1519         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1520
1521         if ((rk_fb->disp_mode == DUAL)
1522             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1523             && hdmi_switch_complete) {
1524                 for (i = 0; i < rk_fb->num_lcdc; i++) {
1525                         if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
1526                                 ext_dev_drv = rk_fb->lcdc_dev_drv[i];
1527                                 break;
1528                         }
1529                 }
1530                 if (i == rk_fb->num_lcdc) {
1531                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1532                         goto ext_win_exit;
1533                 }
1534                 /* hdmi just need set win0 only(win0 have only one area)
1535                  * other win is disable
1536                  */
1537                 win = dev_drv->win[0];
1538                 ext_win = ext_dev_drv->win[0];
1539                 for (j = 0; j < regs->win_num; j++) {
1540                         if (0 == regs->reg_win_data[j].win_id)
1541                                 break;
1542                 }
1543                 if (j < regs->win_num) {
1544                         rk_fb_update_driver(ext_win, &regs->reg_win_data[j]);
1545                         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1546                                 ext_win->area[0].xsize =
1547                                     (ext_dev_drv->cur_screen->xsize * win->area[0].xsize) /
1548                                     dev_drv->cur_screen->mode.xres;
1549                                 ext_win->area[0].ysize =
1550                                     (ext_dev_drv->cur_screen->ysize * win->area[0].ysize) /
1551                                     dev_drv->cur_screen->mode.yres;
1552                                 ext_win->area[0].xpos =
1553                                     ((ext_dev_drv->cur_screen->mode.xres - ext_dev_drv->cur_screen->xsize) >> 1) +
1554                                     ext_dev_drv->cur_screen->xsize * win->area[0].xpos / dev_drv->cur_screen->mode.xres;
1555                                 ext_win->area[0].ypos =
1556                                     ((ext_dev_drv->cur_screen->mode.yres - ext_dev_drv->cur_screen->ysize) >> 1) +
1557                                     ext_dev_drv->cur_screen->ysize * win->area[0].ypos / dev_drv->cur_screen->mode.yres;
1558                         } else {
1559                                 ext_win->area[0].xpos =
1560                                     (ext_dev_drv->cur_screen->mode.xres - ext_dev_drv->cur_screen->xsize) >> 1;
1561                                 ext_win->area[0].ypos =
1562                                     (ext_dev_drv->cur_screen->mode.yres - ext_dev_drv->cur_screen->ysize) >> 1;
1563                                 ext_win->area[0].xsize = ext_dev_drv->cur_screen->xsize;
1564                                 ext_win->area[0].ysize = ext_dev_drv->cur_screen->ysize;
1565                         }
1566                         /* hdmi only one win so disable alpha */
1567                         ext_win->alpha_en = 0;
1568                         ext_win->state = 1;
1569                 } else {
1570                         ext_win->state = 0;
1571                 }
1572
1573                 if (win->area[0].xact < win->area[0].yact) {
1574                         int pixel_width, vir_width_bit, stride;
1575                         ext_win->area[0].xact = win->area[0].yact;
1576                         ext_win->area[0].yact = win->area[0].xact;
1577                         ext_win->area[0].xvir = win->area[0].yact;
1578                         pixel_width = rk_fb_pixel_width(ext_win->format);
1579                         vir_width_bit = pixel_width * ext_win->area[0].xvir;
1580                         stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1581                         ext_win->area[0].y_vir_stride = stride >> 2;
1582                 }
1583                 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1584                         rk_fb_win_rotate(ext_win, win, ext_dev_drv->rotate_mode);
1585
1586                 ext_dev_drv->ops->set_par(ext_dev_drv, 0);
1587                 ext_dev_drv->ops->pan_display(ext_dev_drv, 0);
1588                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1589         }
1590 ext_win_exit:
1591         dev_drv->ops->cfg_done(dev_drv);
1592
1593         do {
1594                 timestamp = dev_drv->vsync_info.timestamp;
1595                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1596                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1597                                 msecs_to_jiffies(25));
1598                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1599                 wait_for_vsync = false;
1600                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1601                         if (dev_drv->win[i]->state == 1) {
1602                                 u32 new_start =
1603                                     dev_drv->win[i]->area[0].smem_start +
1604                                     dev_drv->win[i]->area[0].y_offset;
1605                                 u32 reg_start = dsp_addr[i];
1606
1607                                 if (unlikely(new_start != reg_start)) {
1608                                         wait_for_vsync = true;
1609                                         dev_info(dev_drv->dev,
1610                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1611                                                i, new_start, reg_start, 101 - count);
1612                                         break;
1613                                 }
1614                         }
1615                 }
1616         } while (wait_for_vsync && count--);
1617 #ifdef H_USE_FENCE
1618         sw_sync_timeline_inc(dev_drv->timeline, 1);
1619 #endif
1620         if (!g_first_buf) {
1621 #if defined(CONFIG_ROCKCHIP_IOMMU)
1622                 if (dev_drv->iommu_enabled) {
1623                         freed_index = 0;
1624                         g_last_timeout = timeout;
1625                 }
1626 #endif
1627                 for (i = 0; i < g_last_win_num; i++)
1628                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1629
1630 #if defined(CONFIG_ROCKCHIP_IOMMU)
1631                 if (dev_drv->iommu_enabled)
1632                         freed_addr[freed_index] = 0xfefefefe;
1633 #endif
1634         }
1635         for (i = 0; i < regs->win_num; i++) {
1636                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1637                        sizeof(struct rk_fb_reg_win_data));
1638         }
1639         g_last_win_num = regs->win_num;
1640         g_first_buf = 0;
1641
1642 }
1643
1644 static void rk_fb_update_regs_handler(struct kthread_work *work)
1645 {
1646         struct rk_lcdc_driver *dev_drv =
1647             container_of(work, struct rk_lcdc_driver, update_regs_work);
1648         struct rk_fb_reg_data *data, *next;
1649         /* struct list_head saved_list; */
1650
1651         mutex_lock(&dev_drv->update_regs_list_lock);
1652         saved_list = dev_drv->update_regs_list;
1653         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1654         mutex_unlock(&dev_drv->update_regs_list_lock);
1655
1656         list_for_each_entry_safe(data, next, &saved_list, list) {
1657                 rk_fb_update_reg(dev_drv, data);
1658                 list_del(&data->list);
1659                 kfree(data);
1660         }
1661
1662         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1663                 wake_up(&dev_drv->update_regs_wait);
1664 }
1665
1666 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1667                                   struct rk_screen *screen)
1668 {
1669         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1670             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1671             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1672                 pr_err("check config var fail 0:\n"
1673                        "x_offset=%d,xact=%d,xvir=%d\n",
1674                        area_par->x_offset, area_par->xact, area_par->xvir);
1675                 return -EINVAL;
1676         }
1677
1678         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1679             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1680             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1681                 pr_err("check config var fail 1:\n"
1682                        "xpos=%d,xsize=%d,xres=%d\n"
1683                        "ypos=%d,ysize=%d,yres=%d\n",
1684                        area_par->xpos, area_par->xsize, screen->mode.xres,
1685                        area_par->ypos, area_par->ysize, screen->mode.yres);
1686                 return -EINVAL;
1687         }
1688         return 0;
1689 }
1690
1691 static int rk_fb_set_win_buffer(struct fb_info *info,
1692                                 struct rk_fb_win_par *win_par,
1693                                 struct rk_fb_reg_win_data *reg_win_data)
1694 {
1695         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1696         struct fb_fix_screeninfo *fix = &info->fix;
1697         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1698         struct rk_screen *screen = dev_drv->cur_screen;
1699         struct fb_info *fbi = rk_fb->fb[0];
1700         int i, ion_fd, acq_fence_fd;
1701         u32 xvir, yvir;
1702         u32 xoffset, yoffset;
1703
1704         struct ion_handle *hdl;
1705         size_t len;
1706         int index_buf;
1707         u8 fb_data_fmt;
1708         u8 pixel_width;
1709         u32 vir_width_bit;
1710         u32 stride, uv_stride;
1711         u32 stride_32bit_1;
1712         u32 stride_32bit_2;
1713         u16 uv_x_off, uv_y_off, uv_y_act;
1714         u8 is_pic_yuv = 0;
1715         u8 ppixel_a = 0, global_a = 0;
1716         ion_phys_addr_t phy_addr;
1717
1718         reg_win_data->reg_area_data[0].smem_start = -1;
1719         reg_win_data->area_num = 0;
1720         fbi = rk_fb->fb[reg_win_data->win_id];
1721         if (win_par->area_par[0].phy_addr == 0) {
1722                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1723                         ion_fd = win_par->area_par[i].ion_fd;
1724                         if (ion_fd > 0) {
1725                                 hdl =
1726                                     ion_import_dma_buf(rk_fb->ion_client,
1727                                                        ion_fd);
1728                                 if (IS_ERR(hdl)) {
1729                                         pr_info
1730                                             ("%s: Could not import handle: %d\n",
1731                                              __func__, (int)hdl);
1732                                         /*return -EINVAL; */
1733                                         break;
1734                                 }
1735                                 fbi->screen_base =
1736                                     ion_map_kernel(rk_fb->ion_client, hdl);
1737                                 reg_win_data->area_num++;
1738                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1739 #ifndef CONFIG_ROCKCHIP_IOMMU
1740                                 ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1741                                          &len);
1742 #else
1743                                 if (dev_drv->iommu_enabled)
1744                                         ion_map_iommu(dev_drv->dev,
1745                                                       rk_fb->ion_client,
1746                                                       hdl,
1747                                                       (unsigned long *)&phy_addr,
1748                                                       (unsigned long *)&len);
1749                                 else
1750                                         ion_phys(rk_fb->ion_client, hdl,
1751                                                  &phy_addr, &len);
1752 #endif
1753                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1754                                 reg_win_data->area_buf_num++;
1755                                 reg_win_data->reg_area_data[i].index_buf = 1;
1756                         }
1757                 }
1758         } else {
1759                 reg_win_data->reg_area_data[0].smem_start =
1760                     win_par->area_par[0].phy_addr;
1761                 reg_win_data->area_num = 1;
1762                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1763         }
1764
1765         if (reg_win_data->area_num == 0)
1766                 return 0;
1767
1768         for (i = 0; i < reg_win_data->area_num; i++) {
1769                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1770                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1771                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1772                         reg_win_data->reg_area_data[i].acq_fence =
1773                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1774                 }
1775         }
1776         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
1777         reg_win_data->data_format = fb_data_fmt;
1778         pixel_width = rk_fb_pixel_width(fb_data_fmt);
1779
1780         ppixel_a = ((fb_data_fmt == ARGB888)
1781                     || (fb_data_fmt == ABGR888)) ? 1 : 0;
1782         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1783         reg_win_data->alpha_en = ppixel_a | global_a;
1784         reg_win_data->g_alpha_val = win_par->g_alpha_val;
1785         reg_win_data->alpha_mode = win_par->alpha_mode;
1786         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1787                 reg_win_data->z_order = win_par->z_order;
1788                 reg_win_data->win_id = win_par->win_id;
1789         } else {
1790                 reg_win_data->z_order = -1;
1791                 reg_win_data->win_id = -1;
1792         }
1793         for (i = 0; i < reg_win_data->area_num; i++) {
1794                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1795                 /* visiable pos in panel */
1796                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1797                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1798
1799                 /* realy size in panel */
1800                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1801                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1802
1803                 /* realy size in panel */
1804                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1805                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1806
1807                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1808                 yoffset = win_par->area_par[i].y_offset;
1809                 xvir = win_par->area_par[i].xvir;
1810                 reg_win_data->reg_area_data[i].xvir = xvir;
1811                 yvir = win_par->area_par[i].yvir;
1812                 reg_win_data->reg_area_data[i].yvir = yvir;
1813
1814                 vir_width_bit = pixel_width * xvir;
1815                 /* pixel_width = byte_num*8 */
1816                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1817                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1818
1819                 stride = stride_32bit_1;        /* default rgb */
1820                 fix->line_length = stride;
1821                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1822
1823                 /* x y mirror ,jump line
1824                  * reg_win_data->reg_area_data[i].y_offset =
1825                  *              yoffset*stride+xoffset*pixel_width/8;
1826                  */
1827                 if (screen->y_mirror == 1) {
1828                         if (screen->interlace == 1) {
1829                                 reg_win_data->reg_area_data[i].y_offset =
1830                                     yoffset * stride * 2 +
1831                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1832                                     xoffset * pixel_width / 8;
1833                         } else {
1834                                 reg_win_data->reg_area_data[i].y_offset =
1835                                     yoffset * stride +
1836                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1837                                     xoffset * pixel_width / 8;
1838                         }
1839                 } else {
1840                         if (screen->interlace == 1) {
1841                                 reg_win_data->reg_area_data[i].y_offset =
1842                                     yoffset * stride * 2 +
1843                                     xoffset * pixel_width / 8;
1844                         } else {
1845                                 reg_win_data->reg_area_data[i].y_offset =
1846                                     yoffset * stride +
1847                                     xoffset * pixel_width / 8;
1848                         }
1849                 }
1850
1851         }
1852         switch (fb_data_fmt) {
1853         case YUV422:
1854         case YUV422_A:
1855                 is_pic_yuv = 1;
1856                 stride = stride_32bit_1;
1857                 uv_stride = stride_32bit_1 >> 1;
1858                 uv_x_off = xoffset >> 1;
1859                 uv_y_off = yoffset;
1860                 fix->line_length = stride;
1861                 uv_y_act = win_par->area_par[0].yact >> 1;
1862                 break;
1863         case YUV420:            /* 420sp */
1864         case YUV420_A:
1865                 is_pic_yuv = 1;
1866                 stride = stride_32bit_1;
1867                 uv_stride = stride_32bit_1;
1868                 uv_x_off = xoffset;
1869                 uv_y_off = yoffset >> 1;
1870                 fix->line_length = stride;
1871                 uv_y_act = win_par->area_par[0].yact >> 1;
1872                 break;
1873         case YUV444:
1874         case YUV444_A:
1875                 is_pic_yuv = 1;
1876                 stride = stride_32bit_1;
1877                 uv_stride = stride_32bit_2;
1878                 uv_x_off = xoffset * 2;
1879                 uv_y_off = yoffset;
1880                 fix->line_length = stride << 2;
1881                 uv_y_act = win_par->area_par[0].yact;
1882                 break;
1883         default:
1884                 break;
1885         }
1886         if (is_pic_yuv == 1) {
1887                 reg_win_data->reg_area_data[0].cbr_start =
1888                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
1889                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
1890                 if (screen->y_mirror == 1) {
1891                         if (screen->interlace == 1) {
1892                                 reg_win_data->reg_area_data[0].c_offset =
1893                                     uv_y_off * uv_stride * 2 +
1894                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1895                                     uv_x_off * pixel_width / 8;
1896                         } else {
1897                                 reg_win_data->reg_area_data[0].c_offset =
1898                                     uv_y_off * uv_stride +
1899                                     (uv_y_act - 1) * uv_stride +
1900                                     uv_x_off * pixel_width / 8;
1901                         }
1902                 } else {
1903                         if (screen->interlace == 1) {
1904                                 reg_win_data->reg_area_data[0].c_offset =
1905                                     uv_y_off * uv_stride * 2 +
1906                                     uv_x_off * pixel_width / 8;
1907                         } else {
1908                                 reg_win_data->reg_area_data[0].c_offset =
1909                                     uv_y_off * uv_stride +
1910                                     uv_x_off * pixel_width / 8;
1911                         }
1912                 }
1913         }
1914         return 0;
1915 }
1916
1917 static int rk_fb_set_win_config(struct fb_info *info,
1918                                 struct rk_fb_win_cfg_data *win_data)
1919 {
1920         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1921         struct rk_fb_reg_data *regs;
1922 #ifdef H_USE_FENCE
1923         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
1924         struct sync_fence *retire_fence;
1925         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
1926         struct sync_pt *retire_sync_pt;
1927         char fence_name[20];
1928 #endif
1929         int ret = 0, i, j = 0;
1930         int list_is_empty = 0;
1931
1932         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
1933         if (!regs) {
1934                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
1935                 ret = -ENOMEM;
1936                 return ret;
1937         }
1938
1939 /*
1940         regs->post_cfg.xpos = win_data->post_cfg.xpos;
1941         regs->post_cfg.ypos = win_data->post_cfg.ypos;
1942         regs->post_cfg.xsize = win_data->post_cfg.xsize;
1943         regs->post_cfg.ysize = win_data->post_cfg.xsize;
1944 */
1945
1946         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1947                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
1948                         rk_fb_set_win_buffer(info, &win_data->win_par[i],
1949                                              &regs->reg_win_data[j]);
1950                         if (regs->reg_win_data[j].area_num > 0) {
1951                                 regs->win_num++;
1952                                 regs->buf_num +=
1953                                     regs->reg_win_data[j].area_buf_num;
1954                         }
1955                         j++;
1956                 } else {
1957                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
1958                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
1959                                win_data->win_par[i].win_id);
1960                 }
1961         }
1962
1963         mutex_lock(&dev_drv->output_lock);
1964         if (!(dev_drv->suspend_flag == 0)) {
1965                 rk_fb_update_reg(dev_drv, regs);
1966                 kfree(regs);
1967                 printk(KERN_INFO "suspend_flag = 1\n");
1968                 goto err;
1969         }
1970
1971         dev_drv->timeline_max++;
1972 #ifdef H_USE_FENCE
1973         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
1974                 if (i < regs->buf_num) {
1975                         sprintf(fence_name, "fence%d", i);
1976                         win_data->rel_fence_fd[i] = get_unused_fd();
1977                         if (win_data->rel_fence_fd[i] < 0) {
1978                                 printk(KERN_INFO "rel_fence_fd=%d\n",
1979                                        win_data->rel_fence_fd[i]);
1980                                 ret = -EFAULT;
1981                                 goto err;
1982                         }
1983                         release_sync_pt[i] =
1984                             sw_sync_pt_create(dev_drv->timeline,
1985                                               dev_drv->timeline_max);
1986                         release_fence[i] =
1987                             sync_fence_create(fence_name, release_sync_pt[i]);
1988                         sync_fence_install(release_fence[i],
1989                                            win_data->rel_fence_fd[i]);
1990                 } else {
1991                         win_data->rel_fence_fd[i] = -1;
1992                 }
1993         }
1994
1995         win_data->ret_fence_fd = get_unused_fd();
1996         if (win_data->ret_fence_fd < 0) {
1997                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
1998                 ret = -EFAULT;
1999                 goto err;
2000         }
2001         retire_sync_pt =
2002             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2003         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2004         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2005 #else
2006         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2007                 win_data->rel_fence_fd[i] = -1;
2008
2009         win_data->ret_fence_fd = -1;
2010 #endif
2011         if (dev_drv->wait_fs == 0) {
2012                 mutex_lock(&dev_drv->update_regs_list_lock);
2013                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2014                 mutex_unlock(&dev_drv->update_regs_list_lock);
2015                 queue_kthread_work(&dev_drv->update_regs_worker,
2016                                    &dev_drv->update_regs_work);
2017         } else {
2018                 mutex_lock(&dev_drv->update_regs_list_lock);
2019                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2020                                         list_empty(&saved_list);
2021                 mutex_unlock(&dev_drv->update_regs_list_lock);
2022                 if (!list_is_empty) {
2023                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2024                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2025                                 msecs_to_jiffies(60));
2026                         if (ret > 0)
2027                                 rk_fb_update_reg(dev_drv, regs);
2028                         else
2029                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2030                 } else if (ret == 0) {
2031                         rk_fb_update_reg(dev_drv, regs);
2032                 }
2033                 kfree(regs);
2034         }
2035
2036 err:
2037         mutex_unlock(&dev_drv->output_lock);
2038         return ret;
2039 }
2040
2041 #if 1
2042 static int cfgdone_distlist[10] = { 0 };
2043
2044 static int cfgdone_index;
2045 static int cfgdone_lasttime;
2046
2047 int rk_get_real_fps(int before)
2048 {
2049         struct timespec now;
2050         int dist_curr;
2051         int dist_total = 0;
2052         int dist_count = 0;
2053         int dist_first = 0;
2054
2055         int index = cfgdone_index;
2056         int i = 0, fps = 0;
2057         int total;
2058
2059         if (before > 100)
2060                 before = 100;
2061         if (before < 0)
2062                 before = 0;
2063
2064         getnstimeofday(&now);
2065         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2066                         cfgdone_lasttime;
2067         total = dist_curr;
2068         /*
2069            printk("fps: ");
2070          */
2071         for (i = 0; i < 10; i++) {
2072                 if (--index < 0)
2073                         index = 9;
2074                 total += cfgdone_distlist[index];
2075                 if (i == 0)
2076                         dist_first = cfgdone_distlist[index];
2077                 if (total < (before * 1000)) {
2078                         /*
2079                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2080                          */
2081                         dist_total += cfgdone_distlist[index];
2082                         dist_count++;
2083                 } else {
2084                         break;
2085                 }
2086         }
2087
2088         /*
2089            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2090          */
2091         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2092         dist_total += dist_curr;
2093         dist_count++;
2094
2095         if (dist_total > 0)
2096                 fps = (1000000 * dist_count) / dist_total;
2097         else
2098                 fps = 60;
2099
2100         /*
2101            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2102          */
2103         return fps;
2104 }
2105 EXPORT_SYMBOL(rk_get_real_fps);
2106
2107 #endif
2108
2109 #define ION_MAX 10
2110 static struct ion_handle *ion_hanle[ION_MAX];
2111
2112 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2113                        unsigned long arg)
2114 {
2115         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2116         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2117         struct fb_fix_screeninfo *fix = &info->fix;
2118         int fb_id = 0, extend_win_id = 0;
2119         struct fb_info *extend_info = NULL;
2120         struct rk_lcdc_driver *extend_dev_drv = NULL;
2121         struct rk_lcdc_win *extend_win = NULL;
2122         struct rk_lcdc_win *win;
2123         int enable;     /* enable fb:1 enable;0 disable */
2124         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2125         int num_buf;    /* buffer_number */
2126         int ret;
2127         struct rk_fb_win_cfg_data win_data;
2128         unsigned int dsp_addr[4];
2129         int list_stat;
2130
2131         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2132
2133         void __user *argp = (void __user *)arg;
2134         win = dev_drv->win[win_id];
2135         if (rk_fb->disp_mode == DUAL) {
2136                 fb_id = get_extend_fb_id(info);
2137                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2138                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2139                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2140                                                             extend_info->fix.id);
2141                 extend_win = extend_dev_drv->win[extend_win_id];
2142         }
2143
2144         switch (cmd) {
2145         case RK_FBIOSET_YUV_ADDR:
2146                 {
2147                         u32 yuv_phy[2];
2148
2149                         if (copy_from_user(yuv_phy, argp, 8))
2150                                 return -EFAULT;
2151                         if (!dev_drv->iommu_enabled) {
2152                                 fix->smem_start = yuv_phy[0];
2153                                 fix->mmio_start = yuv_phy[1];
2154                         } else {
2155                                 int usr_fd, offset, tmp;
2156                                 struct ion_handle *hdl;
2157                                 ion_phys_addr_t phy_addr;
2158                                 size_t len;
2159
2160                                 usr_fd = yuv_phy[0];
2161                                 offset = yuv_phy[1] - yuv_phy[0];
2162
2163                                 if (!usr_fd) {
2164                                         fix->smem_start = 0;
2165                                         fix->mmio_start = 0;
2166                                         break;
2167                                 }
2168
2169                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2170                                 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2171                                                 (unsigned long *)&phy_addr, (unsigned long *)&len);
2172
2173                                 fix->smem_start = phy_addr;
2174                                 fix->mmio_start = phy_addr + offset;
2175
2176                                 if (ion_hanle[ION_MAX - 1] != 0) {
2177                                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2178                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2179                                 }
2180                                 ion_hanle[0] = hdl;
2181
2182                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2183                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2184                                 ion_hanle[0] = 0;
2185                         }
2186                         break;
2187                 }
2188         case RK_FBIOSET_ENABLE:
2189                 if (copy_from_user(&enable, argp, sizeof(enable)))
2190                         return -EFAULT;
2191                 dev_drv->ops->open(dev_drv, win_id, enable);
2192                 break;
2193         case RK_FBIOGET_ENABLE:
2194                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2195                 if (copy_to_user(argp, &enable, sizeof(enable)))
2196                         return -EFAULT;
2197                 break;
2198         case RK_FBIOSET_OVERLAY_STA:
2199                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2200                         return -EFAULT;
2201                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2202                 break;
2203         case RK_FBIOGET_OVERLAY_STA:
2204                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2205                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2206                         return -EFAULT;
2207                 break;
2208         case RK_FBIOPUT_NUM_BUFFERS:
2209                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2210                         return -EFAULT;
2211                 dev_drv->num_buf = num_buf;
2212                 break;
2213         case RK_FBIOSET_VSYNC_ENABLE:
2214                 if (copy_from_user(&enable, argp, sizeof(enable)))
2215                         return -EFAULT;
2216                 dev_drv->vsync_info.active = enable;
2217                 break;
2218
2219         case RK_FBIOGET_DSP_ADDR:
2220                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2221                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2222                         return -EFAULT;
2223                 break;
2224         case RK_FBIOGET_LIST_STA:
2225                 list_stat = rk_fb_get_list_stat(dev_drv);
2226                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2227                         return -EFAULT;
2228
2229                 break;
2230         case RK_FBIOGET_IOMMU_STA:
2231                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2232                                  sizeof(dev_drv->iommu_enabled)))
2233                         return -EFAULT;
2234                 break;
2235 #if defined(CONFIG_ION_ROCKCHIP)
2236         case RK_FBIOSET_DMABUF_FD:
2237                 {
2238                         int usr_fd;
2239                         struct ion_handle *hdl;
2240                         ion_phys_addr_t phy_addr;
2241                         size_t len;
2242                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2243                                 return -EFAULT;
2244                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2245                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2246                         fix->smem_start = phy_addr;
2247                         break;
2248                 }
2249         case RK_FBIOGET_DMABUF_FD:
2250                 {
2251                         int fd =
2252                             ion_share_dma_buf_fd(rk_fb->ion_client,
2253                                                  win->area[0].ion_hdl);
2254                         if (fd < 0) {
2255                                 dev_err(info->dev,
2256                                         "ion_share_dma_buf_fd failed\n");
2257                                 return fd;
2258                         }
2259                         if (copy_to_user(argp, &fd, sizeof(fd)))
2260                                 return -EFAULT;
2261                         break;
2262                 }
2263 #endif
2264         case RK_FBIOSET_CLEAR_FB:
2265                 memset(info->screen_base, 0, get_fb_size());
2266                 break;
2267         case RK_FBIOSET_CONFIG_DONE:
2268                 {
2269                         int curr = 0;
2270                         struct timespec now;
2271
2272                         getnstimeofday(&now);
2273                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2274                         cfgdone_distlist[cfgdone_index++] =
2275                             curr - cfgdone_lasttime;
2276                         /*
2277                            printk("%d ", curr - cfgdone_lasttime);
2278                          */
2279                         cfgdone_lasttime = curr;
2280                         if (cfgdone_index >= 10)
2281                                 cfgdone_index = 0;
2282                 }
2283                 if (copy_from_user(&win_data,
2284                                    (struct rk_fb_win_cfg_data __user *)argp,
2285                                    sizeof(win_data))) {
2286                         ret = -EFAULT;
2287                         break;
2288                 };
2289
2290                 dev_drv->wait_fs = win_data.wait_fs;
2291                 rk_fb_set_win_config(info, &win_data);
2292
2293                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2294                                  &win_data, sizeof(win_data))) {
2295                         ret = -EFAULT;
2296                         break;
2297                 }
2298                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2299                 break;
2300         default:
2301                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2302                 break;
2303         }
2304
2305         return 0;
2306 }
2307
2308 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2309 {
2310         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2311         struct fb_fix_screeninfo *fix = &info->fix;
2312         int win_id;
2313 #if defined(CONFIG_RK_HDMI)
2314         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2315 #endif
2316
2317         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2318         if (win_id < 0)
2319                 return -ENODEV;
2320 #if defined(CONFIG_RK_HDMI)
2321         if ((rk_fb->disp_mode == ONE_DUAL)
2322             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2323                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2324         } else
2325 #endif
2326         {
2327                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2328         }
2329         return 0;
2330 }
2331
2332 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2333 {
2334         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2335             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2336             ((16 != var->bits_per_pixel) &&
2337             (32 != var->bits_per_pixel) &&
2338             (24 != var->bits_per_pixel))) {
2339                 dev_err(info->dev, "%s check var fail 1:\n"
2340                         "xres_vir:%d>>yres_vir:%d\n"
2341                         "xres:%d>>yres:%d\n"
2342                         "bits_per_pixel:%d\n",
2343                         info->fix.id,
2344                         var->xres_virtual,
2345                         var->yres_virtual,
2346                         var->xres, var->yres, var->bits_per_pixel);
2347                 return -EINVAL;
2348         }
2349
2350         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2351             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2352                 dev_err(info->dev, "%s check_var fail 2:\n"
2353                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2354                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2355                         info->fix.id,
2356                         var->xoffset,
2357                         var->xres,
2358                         var->xres_virtual,
2359                         var->yoffset, var->yres, var->yres_virtual);
2360                 return -EINVAL;
2361         }
2362
2363         return 0;
2364 }
2365
2366 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2367                           size_t count, loff_t *ppos)
2368 {
2369         unsigned long p = *ppos;
2370         u8 *buffer, *dst;
2371         u8 __iomem *src;
2372         int c, cnt = 0, err = 0;
2373         unsigned long total_size;
2374         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2375         struct rk_lcdc_win *win = NULL;
2376         int win_id = 0;
2377
2378         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2379         if (win_id < 0)
2380                 return -ENODEV;
2381         else
2382                 win = dev_drv->win[win_id];
2383
2384         /* only read the current frame buffer */
2385         if (win->format == RGB565) {
2386                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2387         } else if (win->format == YUV420) {
2388                 total_size =
2389                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2390         } else {
2391                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2392         }
2393         if (p >= total_size)
2394                 return 0;
2395
2396         if (count >= total_size)
2397                 count = total_size;
2398
2399         if (count + p > total_size)
2400                 count = total_size - p;
2401
2402         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2403         if (!buffer)
2404                 return -ENOMEM;
2405
2406         src = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
2407
2408         while (count) {
2409                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2410                 dst = buffer;
2411                 fb_memcpy_fromfb(dst, src, c);
2412                 dst += c;
2413                 src += c;
2414
2415                 if (copy_to_user(buf, buffer, c)) {
2416                         err = -EFAULT;
2417                         break;
2418                 }
2419                 *ppos += c;
2420                 buf += c;
2421                 cnt += c;
2422                 count -= c;
2423         }
2424
2425         kfree(buffer);
2426
2427         return (err) ? err : cnt;
2428 }
2429
2430 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2431                            size_t count, loff_t *ppos)
2432 {
2433         unsigned long p = *ppos;
2434         u8 *buffer, *src;
2435         u8 __iomem *dst;
2436         int c, cnt = 0, err = 0;
2437         unsigned long total_size;
2438         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2439         struct rk_lcdc_win *win = NULL;
2440         int win_id = 0;
2441
2442         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2443         if (win_id < 0)
2444                 return -ENODEV;
2445         else
2446                 win = dev_drv->win[win_id];
2447
2448         /* write the current frame buffer */
2449         if (win->format == RGB565)
2450                 total_size = win->area[0].xact * win->area[0].yact << 1;
2451         else
2452                 total_size = win->area[0].xact * win->area[0].yact << 2;
2453
2454         if (p > total_size)
2455                 return -EFBIG;
2456
2457         if (count > total_size) {
2458                 err = -EFBIG;
2459                 count = total_size;
2460         }
2461
2462         if (count + p > total_size) {
2463                 if (!err)
2464                         err = -ENOSPC;
2465
2466                 count = total_size - p;
2467         }
2468
2469         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2470         if (!buffer)
2471                 return -ENOMEM;
2472
2473         dst = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
2474
2475         while (count) {
2476                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2477                 src = buffer;
2478
2479                 if (copy_from_user(src, buf, c)) {
2480                         err = -EFAULT;
2481                         break;
2482                 }
2483
2484                 fb_memcpy_tofb(dst, src, c);
2485                 dst += c;
2486                 src += c;
2487                 *ppos += c;
2488                 buf += c;
2489                 cnt += c;
2490                 count -= c;
2491         }
2492
2493         kfree(buffer);
2494
2495         return (cnt) ? cnt : err;
2496
2497 }
2498
2499 static int rk_fb_set_par(struct fb_info *info)
2500 {
2501         struct fb_var_screeninfo *var = &info->var;
2502         struct fb_fix_screeninfo *fix = &info->fix;
2503         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2504         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2505         int fb_id, extend_win_id = 0;
2506         struct fb_info *extend_info = NULL;
2507         struct rk_lcdc_driver *extend_dev_drv = NULL;
2508         struct rk_lcdc_win *extend_win = NULL;
2509         struct rk_lcdc_win *win = NULL;
2510         struct rk_screen *screen = dev_drv->cur_screen;
2511         struct rk_screen screen_primary;
2512         int win_id = 0;
2513         u32 cblen = 0, crlen = 0;
2514         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2515         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2516         u32 yoffset = var->yoffset;
2517         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2518         u16 ypos = (var->nonstd >> 20) & 0xfff;
2519         u32 xvir = var->xres_virtual;
2520         u32 yvir = var->yres_virtual;
2521         u8 data_format = var->nonstd & 0xff;
2522         u8 fb_data_fmt;
2523         u8 pixel_width;
2524         u32 vir_width_bit;
2525         u32 stride, uv_stride;
2526         u32 stride_32bit_1;
2527         u32 stride_32bit_2;
2528         u16 uv_x_off, uv_y_off, uv_y_act;
2529         u8 is_pic_yuv = 0;
2530
2531         var->pixclock = dev_drv->pixclock;
2532         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2533         if (win_id < 0)
2534                 return -ENODEV;
2535         else
2536                 win = dev_drv->win[win_id];
2537         if (rk_fb->disp_mode == DUAL) {
2538                 fb_id = get_extend_fb_id(info);
2539                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2540                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2541                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2542                                                             extend_info->fix.
2543                                                             id);
2544                 extend_win = extend_dev_drv->win[extend_win_id];
2545         }
2546         /* if the application has specific the horizontal and vertical display size */
2547         if (var->grayscale >> 8) {
2548                 xsize = (var->grayscale >> 8) & 0xfff;
2549                 ysize = (var->grayscale >> 20) & 0xfff;
2550         } else {                /*ohterwise  full  screen display */
2551                 xsize = screen->mode.xres;
2552                 ysize = screen->mode.yres;
2553         }
2554
2555 /*this is for device like rk2928 ,whic have one lcdc but two display outputs*/
2556 /*save winameter set by android*/
2557         if (rk_fb->disp_mode != DUAL) {
2558                 if (screen->screen_id == 0) {
2559
2560                         dev_drv->screen0->xsize = xsize;
2561                         dev_drv->screen0->ysize = ysize;
2562                         dev_drv->screen0->xpos = xpos;
2563                         dev_drv->screen0->ypos = ypos;
2564                 } else {
2565                         xsize = dev_drv->screen1->xsize;
2566                         ysize = dev_drv->screen1->ysize;
2567                         xpos = dev_drv->screen1->xpos;
2568                         ypos = dev_drv->screen1->ypos;
2569                 }
2570         }
2571
2572         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2573         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2574         vir_width_bit = pixel_width * xvir;
2575         /* pixel_width = byte_num * 8 */
2576         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2577         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2578
2579         switch (fb_data_fmt) {
2580         case YUV422:
2581         case YUV422_A:
2582                 is_pic_yuv = 1;
2583                 stride = stride_32bit_1;
2584                 uv_stride = stride_32bit_1 >> 1;
2585                 uv_x_off = xoffset >> 1;
2586                 uv_y_off = yoffset;
2587                 fix->line_length = stride;
2588                 cblen = crlen = (xvir * yvir) >> 1;
2589                 uv_y_act = win->area[0].yact >> 1;
2590                 break;
2591         case YUV420:            /* 420sp */
2592         case YUV420_A:
2593                 is_pic_yuv = 1;
2594                 stride = stride_32bit_1;
2595                 uv_stride = stride_32bit_1;
2596                 uv_x_off = xoffset;
2597                 uv_y_off = yoffset >> 1;
2598                 fix->line_length = stride;
2599                 cblen = crlen = (xvir * yvir) >> 2;
2600                 uv_y_act = win->area[0].yact >> 1;
2601                 break;
2602         case YUV444:
2603         case YUV444_A:
2604                 is_pic_yuv = 1;
2605                 stride = stride_32bit_1;
2606                 uv_stride = stride_32bit_2;
2607                 uv_x_off = xoffset * 2;
2608                 uv_y_off = yoffset;
2609                 fix->line_length = stride << 2;
2610                 cblen = crlen = (xvir * yvir);
2611                 uv_y_act = win->area[0].yact;
2612                 break;
2613         default:
2614                 stride = stride_32bit_1;        /* default rgb */
2615                 fix->line_length = stride;
2616                 break;
2617         }
2618
2619         /* x y mirror ,jump line */
2620         if (screen->y_mirror == 1) {
2621                 if (screen->interlace == 1) {
2622                         win->area[0].y_offset = yoffset * stride * 2 +
2623                             ((win->area[0].yact - 1) * 2 + 1) * stride +
2624                             xoffset * pixel_width / 8;
2625                 } else {
2626                         win->area[0].y_offset = yoffset * stride +
2627                             (win->area[0].yact - 1) * stride +
2628                             xoffset * pixel_width / 8;
2629                 }
2630         } else {
2631                 if (screen->interlace == 1) {
2632                         win->area[0].y_offset =
2633                             yoffset * stride * 2 + xoffset * pixel_width / 8;
2634                 } else {
2635                         win->area[0].y_offset =
2636                             yoffset * stride + xoffset * pixel_width / 8;
2637                 }
2638         }
2639         if (is_pic_yuv == 1) {
2640                 if (screen->y_mirror == 1) {
2641                         if (screen->interlace == 1) {
2642                                 win->area[0].c_offset =
2643                                     uv_y_off * uv_stride * 2 +
2644                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2645                                     uv_x_off * pixel_width / 8;
2646                         } else {
2647                                 win->area[0].c_offset = uv_y_off * uv_stride +
2648                                     (uv_y_act - 1) * uv_stride +
2649                                     uv_x_off * pixel_width / 8;
2650                         }
2651                 } else {
2652                         if (screen->interlace == 1) {
2653                                 win->area[0].c_offset =
2654                                     uv_y_off * uv_stride * 2 +
2655                                     uv_x_off * pixel_width / 8;
2656                         } else {
2657                                 win->area[0].c_offset =
2658                                     uv_y_off * uv_stride +
2659                                     uv_x_off * pixel_width / 8;
2660                         }
2661                 }
2662         }
2663
2664         rk_fb_get_prmry_screen(&screen_primary);
2665         win->format = fb_data_fmt;
2666         win->area[0].y_vir_stride = stride >> 2;
2667         win->area[0].uv_vir_stride = uv_stride >> 2;
2668         win->area[0].xpos = xpos*screen->mode.xres/screen_primary.mode.xres;
2669         win->area[0].ypos = ypos*screen->mode.yres/screen_primary.mode.yres;
2670         win->area[0].xsize = screen->mode.xres*xsize/screen_primary.mode.xres;
2671         win->area[0].ysize = screen->mode.yres*ysize/screen_primary.mode.yres;
2672
2673         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2674         win->area[0].yact = var->yres;
2675         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2676         win->area[0].yvir = var->yres_virtual;
2677
2678         win->area_num = 1;
2679         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2680         win->alpha_en = ((win->format == ARGB888)
2681                          || (win->format == ABGR888)) ? 1 : 0;
2682         win->g_alpha_val = 0;
2683
2684         if (rk_fb->disp_mode == DUAL) {
2685                 if (extend_win->state && (hdmi_switch_complete)) {
2686                         if (info != extend_info) {
2687                                 if (win->area[0].xact < win->area[0].yact) {
2688                                         extend_win->area[0].xact =
2689                                             win->area[0].yact;
2690                                         extend_win->area[0].yact =
2691                                             win->area[0].xact;
2692                                         extend_win->area[0].xvir =
2693                                             win->area[0].yact;
2694                                         extend_info->var.xres = var->yres;
2695                                         extend_info->var.yres = var->xres;
2696                                         extend_info->var.xres_virtual =
2697                                             var->yres;
2698                                 } else {
2699                                         extend_win->area[0].xact =
2700                                             win->area[0].xact;
2701                                         extend_win->area[0].yact =
2702                                             win->area[0].yact;
2703                                         extend_win->area[0].xvir =
2704                                             win->area[0].xvir;
2705                                         extend_info->var.xres = var->xres;
2706                                         extend_info->var.yres = var->yres;
2707                                         extend_info->var.xres_virtual =
2708                                             var->xres_virtual;
2709                                 }
2710                                 extend_win->area[0].y_vir_stride =
2711                                     win->area[0].y_vir_stride;
2712                                 extend_win->area[0].uv_vir_stride =
2713                                     win->area[0].uv_vir_stride;
2714                                 if (win->area[0].xpos != 0
2715                                     || win->area[0].ypos != 0) {
2716                                         extend_win->area[0].xsize =
2717                                             (extend_dev_drv->cur_screen->xsize * win->area[0].xsize) / screen->mode.xres;
2718                                         extend_win->area[0].ysize =
2719                                             (extend_dev_drv->cur_screen->ysize * win->area[0].ysize) / screen->mode.yres;
2720                                         extend_win->area[0].xpos =
2721                                             ((extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1) +
2722                                             extend_dev_drv->cur_screen->xsize * win->area[0].xpos / screen->mode.xres;
2723                                         extend_win->area[0].ypos =
2724                                             ((extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1) +
2725                                             extend_dev_drv->cur_screen->ysize * win->area[0].ypos / screen->mode.yres;
2726                                 } else {        /* the display image of the primary screen is full screen size */
2727                                         extend_win->area[0].xpos =
2728                                             (extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1;
2729                                         extend_win->area[0].ypos =
2730                                             (extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1;
2731                                         extend_win->area[0].xsize =
2732                                             extend_dev_drv->cur_screen->xsize;
2733                                         extend_win->area[0].ysize =
2734                                             extend_dev_drv->cur_screen->ysize;
2735                                 }
2736
2737                                 extend_win->area[0].state = 1;
2738                                 extend_win->area_num = 1;
2739                                 extend_win->alpha_en = 0;
2740                                 extend_win->format = win->format;
2741                                 extend_info->var.nonstd &= 0xffffff00;
2742                                 extend_info->var.nonstd |= data_format;
2743                                 extend_dev_drv->ops->set_par(extend_dev_drv,
2744                                                              extend_win_id);
2745                         }
2746                 }
2747         }
2748         dev_drv->ops->set_par(dev_drv, win_id);
2749
2750         return 0;
2751 }
2752
2753 static inline unsigned int chan_to_field(unsigned int chan,
2754                                          struct fb_bitfield *bf)
2755 {
2756         chan &= 0xffff;
2757         chan >>= 16 - bf->length;
2758         return chan << bf->offset;
2759 }
2760
2761 static int fb_setcolreg(unsigned regno,
2762                         unsigned red, unsigned green, unsigned blue,
2763                         unsigned transp, struct fb_info *info)
2764 {
2765         unsigned int val;
2766
2767         switch (info->fix.visual) {
2768         case FB_VISUAL_TRUECOLOR:
2769                 /* true-colour, use pseudo-palette */
2770                 if (regno < 16) {
2771                         u32 *pal = info->pseudo_palette;
2772                         val = chan_to_field(red, &info->var.red);
2773                         val |= chan_to_field(green, &info->var.green);
2774                         val |= chan_to_field(blue, &info->var.blue);
2775                         pal[regno] = val;
2776                 }
2777                 break;
2778         default:
2779                 return -1;      /* unknown type */
2780         }
2781
2782         return 0;
2783 }
2784
2785 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2786 {
2787         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2788         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2789         struct rk_lcdc_win *win;
2790         win = dev_drv->win[win_id];
2791
2792         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2793
2794         return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
2795 }
2796
2797 static struct fb_ops fb_ops = {
2798         .owner = THIS_MODULE,
2799         .fb_open = rk_fb_open,
2800         .fb_release = rk_fb_close,
2801         .fb_check_var = rk_fb_check_var,
2802         .fb_set_par = rk_fb_set_par,
2803         .fb_blank = rk_fb_blank,
2804         .fb_ioctl = rk_fb_ioctl,
2805         .fb_pan_display = rk_fb_pan_display,
2806         .fb_read = rk_fb_read,
2807         .fb_write = rk_fb_write,
2808         .fb_setcolreg = fb_setcolreg,
2809         .fb_fillrect = cfb_fillrect,
2810         .fb_copyarea = cfb_copyarea,
2811         .fb_imageblit = cfb_imageblit,
2812 };
2813
2814 static struct fb_var_screeninfo def_var = {
2815 #if defined(CONFIG_LOGO_LINUX_BMP)
2816         .red = {16, 8, 0},
2817         .green = {8, 8, 0},
2818         .blue = {0, 8, 0},
2819         .transp = {0, 0, 0},
2820         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2821 #else
2822         .red = {11, 5, 0},
2823         .green = {5, 6, 0},
2824         .blue = {0, 5, 0},
2825         .transp = {0, 0, 0},
2826         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
2827 #endif
2828         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
2829         .activate = FB_ACTIVATE_NOW,
2830         .accel_flags = 0,
2831         .vmode = FB_VMODE_NONINTERLACED,
2832 };
2833
2834 static struct fb_fix_screeninfo def_fix = {
2835         .type = FB_TYPE_PACKED_PIXELS,
2836         .type_aux = 0,
2837         .xpanstep = 1,
2838         .ypanstep = 1,
2839         .ywrapstep = 0,
2840         .accel = FB_ACCEL_NONE,
2841         .visual = FB_VISUAL_TRUECOLOR,
2842
2843 };
2844
2845 static int rk_fb_wait_for_vsync_thread(void *data)
2846 {
2847         struct rk_lcdc_driver *dev_drv = data;
2848         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2849         struct fb_info *fbi = rk_fb->fb[0];
2850
2851         while (!kthread_should_stop()) {
2852                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2853                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2854                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2855                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2856
2857                 if (!ret)
2858                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2859         }
2860
2861         return 0;
2862 }
2863
2864 static ssize_t rk_fb_vsync_show(struct device *dev,
2865                                 struct device_attribute *attr, char *buf)
2866 {
2867         struct fb_info *fbi = dev_get_drvdata(dev);
2868         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
2869         return scnprintf(buf, PAGE_SIZE, "%llu\n",
2870                          ktime_to_ns(dev_drv->vsync_info.timestamp));
2871 }
2872
2873 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
2874
2875 /*
2876  * this two function is for other module that in the kernel which
2877  * need show image directly through fb
2878  * fb_id:we have 4 fb here,default we use fb0 for ui display
2879  */
2880 struct fb_info *rk_get_fb(int fb_id)
2881 {
2882         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2883         struct fb_info *fb = inf->fb[fb_id];
2884         return fb;
2885 }
2886 EXPORT_SYMBOL(rk_get_fb);
2887
2888 void rk_direct_fb_show(struct fb_info *fbi)
2889 {
2890         rk_fb_set_par(fbi);
2891         rk_fb_pan_display(&fbi->var, fbi);
2892 }
2893 EXPORT_SYMBOL(rk_direct_fb_show);
2894 #if 0
2895 static int set_xact_yact_for_hdmi(struct fb_var_screeninfo *pmy_var,
2896                                   struct fb_var_screeninfo *hdmi_var)
2897 {
2898         if (pmy_var->xres < pmy_var->yres) {    /* vertical  lcd screen */
2899                 hdmi_var->xres = pmy_var->yres;
2900                 hdmi_var->yres = pmy_var->xres;
2901                 hdmi_var->xres_virtual = pmy_var->yres;
2902         } else {
2903                 hdmi_var->xres = pmy_var->xres;
2904                 hdmi_var->yres = pmy_var->yres;
2905                 hdmi_var->xres_virtual = pmy_var->xres_virtual;
2906         }
2907
2908         return 0;
2909
2910 }
2911 #endif
2912 int rk_fb_dpi_open(bool open)
2913 {
2914         struct rk_lcdc_driver *dev_drv = NULL;
2915         dev_drv = rk_get_prmry_lcdc_drv();
2916
2917         if (dev_drv->ops->dpi_open)
2918                 dev_drv->ops->dpi_open(dev_drv, open);
2919         return 0;
2920 }
2921
2922 int rk_fb_dpi_win_sel(int win_id)
2923 {
2924         struct rk_lcdc_driver *dev_drv = NULL;
2925         dev_drv = rk_get_prmry_lcdc_drv();
2926
2927         if (dev_drv->ops->dpi_win_sel)
2928                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
2929         return 0;
2930 }
2931
2932 int rk_fb_dpi_status(void)
2933 {
2934         int ret = 0;
2935         struct rk_lcdc_driver *dev_drv = NULL;
2936
2937         dev_drv = rk_get_prmry_lcdc_drv();
2938         if (dev_drv->ops->dpi_status)
2939                 ret = dev_drv->ops->dpi_status(dev_drv);
2940
2941         return ret;
2942 }
2943 #if 1
2944 /*
2945  *function:this function will be called by display device, enable/disable lcdc
2946  *screen: screen timing to be set to lcdc
2947  *enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
2948  *lcdc_id: the lcdc id the display device attached ,0 or 1
2949  */
2950 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
2951 {
2952         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
2953         struct fb_info *info = NULL;
2954         struct rk_lcdc_driver *dev_drv = NULL;
2955         char name[6];
2956         int i, win_id, load_screen = 0;
2957
2958         if (screen == NULL)
2959                 return -ENODEV;
2960
2961         sprintf(name, "lcdc%d", lcdc_id);
2962         for (i = 0; i < rk_fb->num_lcdc; i++) {
2963                 if (!strcmp(rk_fb->lcdc_dev_drv[i]->name, name)) {
2964                         dev_drv = rk_fb->lcdc_dev_drv[i];
2965                         break;
2966                 }
2967         }
2968         if (i == rk_fb->num_lcdc) {
2969                 printk(KERN_ERR "%s driver not found!", name);
2970                 return -ENODEV;
2971         }
2972
2973         if (enable == 2 /*&& dev_drv->enable*/)
2974                 return 0;
2975
2976         if (!enable) {
2977                 /* if screen type is different, we do not disable lcdc. */
2978                 if (dev_drv->cur_screen->type != screen->type)
2979                         return 0;
2980
2981                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2982                         /* disable the layer which attached to this device */
2983                         if (dev_drv->win[i] && dev_drv->win[i]->state)
2984                                 dev_drv->ops->open(dev_drv, i, 0);
2985                 }
2986                 return 0;
2987         } else {
2988                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
2989         }
2990         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2991                 #ifdef DUAL_LCDC_MAP_TO_SAME_FB
2992                 info = rk_fb->fb[i];
2993                 dev_drv1 = (struct rk_lcdc_driver *)info->par;
2994                 if (dev_drv1 != dev_drv) {
2995                         info->par = dev_drv;
2996                         dev_drv->overscan = dev_drv1->overscan;
2997                         dev_drv->vsync_info.active = dev_drv1->vsync_info.active;
2998                 }
2999                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3000                 #else
3001                 info = rk_fb->fb[dev_drv->fb_index_base + i];
3002                 #endif
3003                 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3004                 if (dev_drv->win[win_id]) {
3005                         #ifdef DUAL_LCDC_MAP_TO_SAME_FB
3006                         if (dev_drv1 && dev_drv1->win[win_id]) {
3007                                 dev_drv->win[win_id]->logicalstate = dev_drv1->win[win_id]->logicalstate;
3008                                 memcpy(dev_drv->win[win_id]->area, dev_drv1->win[win_id]->area, RK_WIN_MAX_AREA * sizeof(struct rk_lcdc_win_area));
3009                         }
3010                         #endif
3011                         if (dev_drv->win[win_id]->logicalstate) {
3012                                 dev_drv->ops->open(dev_drv, win_id, 1);
3013                                 if (!load_screen) {
3014                                         dev_drv->ops->load_screen(dev_drv, 1);
3015                                         load_screen = 1;
3016                                 }
3017                                 info->var.activate |= FB_ACTIVATE_FORCE;
3018                                 info->fbops->fb_set_par(info);
3019                                 info->fbops->fb_pan_display(&info->var, info);
3020                         }
3021                 }
3022         }
3023         return 0;
3024 }
3025 #else
3026 /*
3027  * function:this function will be called by hdmi,when
3028  *             hdmi plug in/out
3029  * screen: the screen attached to hdmi
3030  * enable: 1,hdmi plug in,0,hdmi plug out
3031  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3032  */
3033 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3034 {
3035         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3036         struct fb_info *info = NULL;
3037         struct rk_lcdc_driver *dev_drv = NULL;
3038         struct fb_var_screeninfo *hdmi_var = NULL;
3039         struct fb_var_screeninfo *pmy_var = NULL;       /* var for primary screen */
3040         int i;
3041         struct fb_fix_screeninfo *hdmi_fix = NULL;
3042         char name[6];
3043         int ret;
3044         int win_id;
3045 /*
3046         if (rk_fb->disp_mode != DUAL)
3047                 rk29_backlight_set(0);
3048 */
3049         sprintf(name, "lcdc%d", lcdc_id);
3050
3051         if (rk_fb->disp_mode != DUAL) {
3052                 dev_drv = rk_fb->lcdc_dev_drv[0];
3053         } else {
3054
3055                 for (i = 0; i < rk_fb->num_lcdc; i++) {
3056                         if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
3057                                 dev_drv = rk_fb->lcdc_dev_drv[i];
3058                                 break;
3059                         }
3060                 }
3061
3062                 if (i == rk_fb->num_lcdc) {
3063                         printk(KERN_ERR "%s driver not found!", name);
3064                         return -ENODEV;
3065                 }
3066         }
3067         printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3068                dev_drv->id);
3069
3070         if (rk_fb->num_lcdc == 1)
3071                 info = rk_fb->fb[0];
3072         else if (rk_fb->num_lcdc == 2)
3073                 info = rk_fb->fb[dev_drv->lcdc_win_num];        /* the main fb of lcdc1 */
3074
3075         if (dev_drv->screen1) { /* device like rk2928 ,have only one lcdc but two outputs */
3076                 if (enable) {
3077                         memcpy(dev_drv->screen1, screen,
3078                                sizeof(struct rk_screen));
3079                         dev_drv->screen1->lcdc_id = 0;  /* connect screen1 to output interface 0 */
3080                         dev_drv->screen1->screen_id = 1;
3081                         dev_drv->screen0->lcdc_id = 1;  /* connect screen0 to output interface 1 */
3082                         dev_drv->cur_screen = dev_drv->screen1;
3083                         dev_drv->screen0->ext_screen = dev_drv->screen1;
3084                         if (dev_drv->screen0->sscreen_get) {
3085                                 dev_drv->screen0->sscreen_get(dev_drv->screen0,
3086                                                               dev_drv->cur_screen->hdmi_resolution);
3087                         }
3088
3089                 } else {
3090                         dev_drv->screen1->lcdc_id = 1;  /* connect screen1 to output interface 1 */
3091                         dev_drv->screen0->lcdc_id = 0;  /* connect screen0 to output interface 0 */
3092                         dev_drv->cur_screen = dev_drv->screen0;
3093                         dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
3094                                                                   dev_drv->screen_ctr_info->lcd_info);
3095                 }
3096         } else {
3097                 if (enable)
3098                         memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3099         }
3100
3101         dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3102         dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3103
3104         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3105
3106         if (!enable && !dev_drv->screen1) {     /* only double lcdc device need to close */
3107                 if (dev_drv->win[win_id]->state)
3108                         dev_drv->ops->open(dev_drv, win_id, enable);    /* disable the win which attached to this fb */
3109                 hdmi_switch_complete = 0;
3110
3111                 return 0;
3112         }
3113
3114         hdmi_var = &info->var;
3115         hdmi_fix = &info->fix;
3116         if (rk_fb->disp_mode == DUAL) {
3117                 if (likely(rk_fb->num_lcdc == 2)) {
3118                         pmy_var = &rk_fb->fb[0]->var;
3119                         set_xact_yact_for_hdmi(pmy_var, hdmi_var);
3120                         hdmi_var->nonstd &= 0xffffff00;
3121                         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);   /* use the same format as primary screen */
3122                 } else {
3123                         printk(KERN_WARNING
3124                                "%s>>only one lcdc,dual display no supported!",
3125                                __func__);
3126                 }
3127         }
3128         hdmi_var->grayscale &= 0xff;
3129         hdmi_var->grayscale |=
3130             (dev_drv->cur_screen->mode.xres << 8) + (dev_drv->cur_screen->mode.yres << 20);
3131         if (dev_drv->screen1) { /* device like rk2928,whic have one lcdc but two outputs */
3132                 /*
3133                 info->var.nonstd &= 0xff;
3134                 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
3135                 info->var.grayscale &= 0xff;
3136                 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);
3137                 */
3138                 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
3139                 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
3140                 dev_drv->screen1->xpos = 0;
3141                 dev_drv->screen1->ypos = 0;
3142         }
3143
3144         ret = info->fbops->fb_open(info, 1);
3145         dev_drv->ops->load_screen(dev_drv, 1);
3146         ret = info->fbops->fb_set_par(info);
3147         if (dev_drv->ops->lcdc_hdmi_process)
3148                 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
3149
3150         hdmi_switch_complete = enable;
3151         info->fbops->fb_pan_display(hdmi_var, info);
3152
3153         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3154         if (dev_drv->screen1) {
3155                 if (dev_drv->screen0->sscreen_set) {
3156                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
3157                         msleep(100);
3158                         dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
3159                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
3160                 }
3161         }
3162         /*
3163         if (rk_fb->disp_mode != DUAL)
3164                 rk29_backlight_set(1);
3165         */
3166         return 0;
3167
3168 }
3169 #endif
3170 /*
3171  * function:this function current only called by hdmi for
3172  *      scale the display
3173  * scale_x: scale rate of x resolution
3174  * scale_y: scale rate of y resolution
3175  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3176  */
3177 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3178 {
3179         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3180         struct fb_info *info = NULL;
3181         struct fb_var_screeninfo *var = NULL;
3182         struct rk_lcdc_driver *dev_drv = NULL;
3183         u16 screen_x, screen_y;
3184         u16 xpos, ypos;
3185         char name[6];
3186         int i = 0;
3187
3188         sprintf(name, "lcdc%d", lcdc_id);
3189 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
3190         dev_drv = inf->lcdc_dev_drv[0];
3191 #else
3192         for (i = 0; i < inf->num_lcdc; i++) {
3193                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
3194                         dev_drv = inf->lcdc_dev_drv[i];
3195                         break;
3196                 }
3197         }
3198
3199         if (i == inf->num_lcdc) {
3200                 printk(KERN_ERR "%s driver not found!", name);
3201                 return -ENODEV;
3202         }
3203 #endif
3204         if (inf->num_lcdc == 1)
3205                 info = inf->fb[0];
3206         else if (inf->num_lcdc == 2)
3207                 info = inf->fb[dev_drv->lcdc_win_num];
3208
3209         var = &info->var;
3210         screen_x = dev_drv->cur_screen->mode.xres;
3211         screen_y = dev_drv->cur_screen->mode.yres;
3212
3213 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) || defined(CONFIG_NO_DUAL_DISP)
3214         if (dev_drv->cur_screen->screen_id == 1) {
3215                 dev_drv->cur_screen->xpos =
3216                     (screen_x - screen_x * scale_x / 100) >> 1;
3217                 dev_drv->cur_screen->ypos =
3218                     (screen_y - screen_y * scale_y / 100) >> 1;
3219                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3220                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3221         } else
3222 #endif
3223         {
3224                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3225                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3226                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3227                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3228                 var->nonstd &= 0xff;
3229                 var->nonstd |= (xpos << 8) + (ypos << 20);
3230                 var->grayscale &= 0xff;
3231                 var->grayscale |=
3232                     (dev_drv->cur_screen->xsize << 8) + (dev_drv->cur_screen->ysize << 20);
3233         }
3234
3235         info->fbops->fb_set_par(info);
3236         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3237         dev_drv->ops->cfg_done(dev_drv);
3238         return 0;
3239 }
3240
3241 #if defined(CONFIG_ION_ROCKCHIP)
3242 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3243                                      struct rk_lcdc_win *win,
3244                                      unsigned long fb_mem_size)
3245 {
3246         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3247         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3248         struct ion_handle *handle;
3249         ion_phys_addr_t phy_addr;
3250         size_t len;
3251
3252         if (dev_drv->iommu_enabled)
3253                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3254                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3255         else
3256                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3257                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3258         if (IS_ERR(handle)) {
3259                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3260                         PTR_ERR(handle));
3261                 return -ENOMEM;
3262         }
3263         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3264         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3265                 printk("ion_share_dma_buf() failed\n");
3266                 goto err_share_dma_buf;
3267         }
3268         win->area[0].ion_hdl = handle;
3269         fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3270 #ifdef CONFIG_ROCKCHIP_IOMMU
3271         if (dev_drv->iommu_enabled)
3272                 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3273                               (unsigned long *)&phy_addr,
3274                               (unsigned long *)&len);
3275         else
3276                 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3277 #else
3278         ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3279 #endif
3280         fbi->fix.smem_start = phy_addr;
3281         fbi->fix.smem_len = len;
3282         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3283         return 0;
3284
3285 err_share_dma_buf:
3286         ion_free(rk_fb->ion_client, handle);
3287         return -ENOMEM;
3288 }
3289 #endif
3290
3291 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3292 {
3293         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3294         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3295         struct rk_lcdc_win *win = NULL;
3296         int win_id;
3297         int ret = 0;
3298         unsigned long fb_mem_size;
3299 #if !defined(CONFIG_ION_ROCKCHIP)
3300         dma_addr_t fb_mem_phys;
3301         void *fb_mem_virt;
3302 #endif
3303
3304         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3305         if (win_id < 0)
3306                 return -ENODEV;
3307         else
3308                 win = dev_drv->win[win_id];
3309
3310         if (!strcmp(fbi->fix.id, "fb0")) {
3311                 fb_mem_size = get_fb_size();
3312 #if defined(CONFIG_ION_ROCKCHIP)
3313                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3314                         return -ENOMEM;
3315 #else
3316                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3317                                                      &fb_mem_phys, GFP_KERNEL);
3318                 if (!fb_mem_virt) {
3319                         pr_err("%s: Failed to allocate framebuffer\n",
3320                                __func__);
3321                         return -ENOMEM;
3322                 }
3323                 fbi->fix.smem_len = fb_mem_size;
3324                 fbi->fix.smem_start = fb_mem_phys;
3325                 fbi->screen_base = fb_mem_virt;
3326 #endif
3327                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3328                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3329                        fbi->fix.smem_start, fbi->screen_base,
3330                        fbi->fix.smem_len);
3331         } else {
3332                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3333                         fb_mem_size = get_fb_size();
3334 #if defined(CONFIG_ION_ROCKCHIP)
3335                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3336                                 return -ENOMEM;
3337 #else
3338                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3339                                         fb_mem_size, &fb_mem_phys, GFP_KERNEL);
3340                         if (!fb_mem_virt) {
3341                                 pr_err("%s: Failed to allocate framebuffer\n",
3342                                         __func__);
3343                                 return -ENOMEM;
3344                         }
3345                         fbi->fix.smem_len = fb_mem_size;
3346                         fbi->fix.smem_start = fb_mem_phys;
3347                         fbi->screen_base = fb_mem_virt;
3348 #endif
3349                 } else {
3350                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3351                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3352                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3353                 }
3354
3355                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3356                        fbi->fix.smem_start, fbi->screen_base,
3357                        fbi->fix.smem_len);
3358         }
3359
3360         fbi->screen_size = fbi->fix.smem_len;
3361         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3362         if (win_id >= 0) {
3363                 win = dev_drv->win[win_id];
3364                 win->reserved = fbi->fix.smem_start;
3365         }
3366
3367         return ret;
3368 }
3369
3370 #if 0
3371 static int rk_release_fb_buffer(struct fb_info *fbi)
3372 {
3373         /* buffer for fb1 and fb3 are alloc by android */
3374         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3375                 return 0;
3376         iounmap(fbi->screen_base);
3377         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3378         return 0;
3379
3380 }
3381 #endif
3382
3383 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3384                          struct rk_lcdc_win *def_win)
3385 {
3386         int i;
3387         int lcdc_win_num = dev_drv->lcdc_win_num;
3388
3389         for (i = 0; i < lcdc_win_num; i++) {
3390                 struct rk_lcdc_win *win = NULL;
3391                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3392                 if (!win) {
3393                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3394                         return -ENOMEM;
3395                 }
3396
3397                 strcpy(win->name, def_win[i].name);
3398                 win->id = def_win[i].id;
3399                 win->support_3d = def_win[i].support_3d;
3400                 dev_drv->win[i] = win;
3401         }
3402
3403         return 0;
3404 }
3405
3406 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3407                                    struct rk_lcdc_win *def_win, int index)
3408 {
3409         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3410         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3411                                                 sizeof(struct rk_screen),
3412                                                 GFP_KERNEL);
3413
3414         if (!screen) {
3415                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3416                         dev_drv->id);
3417                 return -ENOMEM;
3418         }
3419
3420         screen->screen_id = 0;
3421         screen->lcdc_id = dev_drv->id;
3422         screen->overscan.left = 100;
3423         screen->overscan.top = 100;
3424         screen->overscan.right = 100;
3425         screen->overscan.bottom = 100;
3426
3427         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3428         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3429
3430         dev_drv->screen0 = screen;
3431         dev_drv->cur_screen = screen;
3432         /* devie use one lcdc + rk61x scaler for dual display */
3433         if (rk_fb->disp_mode == ONE_DUAL) {
3434                 struct rk_screen *screen1 = devm_kzalloc(dev_drv->dev,
3435                                                          sizeof(struct rk_screen),
3436                                                          GFP_KERNEL);
3437                 if (screen1) {
3438                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3439                                 dev_drv->id);
3440                         return -ENOMEM;
3441                 }
3442                 screen1->screen_id = 1;
3443                 screen1->lcdc_id = 1;
3444                 dev_drv->screen1 = screen1;
3445         }
3446         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3447         init_lcdc_win(dev_drv, def_win);
3448         init_completion(&dev_drv->frame_done);
3449         spin_lock_init(&dev_drv->cpl_lock);
3450         mutex_init(&dev_drv->fb_win_id_mutex);
3451         dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
3452         dev_drv->first_frame = 1;
3453         dev_drv->overscan.left = 100;
3454         dev_drv->overscan.top = 100;
3455         dev_drv->overscan.right = 100;
3456         dev_drv->overscan.bottom = 100;
3457         rk_disp_pwr_ctr_parse_dt(dev_drv);
3458         if (dev_drv->prop == PRMRY) {
3459                 if (dev_drv->ops->set_dsp_cabc)
3460                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3461                 rk_fb_set_prmry_screen(screen);
3462         }
3463         rk_fb_get_prmry_screen(screen);
3464         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3465
3466         return 0;
3467 }
3468
3469 #ifdef CONFIG_LOGO_LINUX_BMP
3470 static struct linux_logo *bmp_logo;
3471 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3472 {
3473         bmp_logo = fb_find_logo(24);
3474         if (bmp_logo == NULL) {
3475                 printk(KERN_INFO "%s error\n", __func__);
3476                 return 0;
3477         }
3478         return 1;
3479 }
3480
3481 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3482 {
3483         unsigned char *src = bmp_logo->data;
3484         unsigned char *dst = info->screen_base;
3485         int i;
3486         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3487         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3488
3489         for (i = 0; i < Needheight; i++)
3490                 memcpy(dst + info->var.xres * i * 4,
3491                        src + bmp_logo->width * i * 4, Needwidth * 4);
3492 }
3493 #endif
3494
3495 /*
3496  * check if the primary lcdc has registerd,
3497  * the primary lcdc mas register first
3498  */
3499 bool is_prmry_rk_lcdc_registered(void)
3500 {
3501         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3502
3503         if (rk_fb->lcdc_dev_drv[0])
3504                 return true;
3505         else
3506                 return false;
3507 }
3508
3509 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3510                    struct rk_lcdc_win *win, int id)
3511 {
3512         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3513         struct fb_info *fbi;
3514         int i = 0, ret = 0, index = 0;
3515 /*
3516 #if defined(CONFIG_ROCKCHIP_IOMMU)
3517         struct device *mmu_dev = NULL;
3518 #endif
3519 */
3520         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3521                 return -ENXIO;
3522
3523         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3524                 if (!rk_fb->lcdc_dev_drv[i]) {
3525                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3526                         rk_fb->lcdc_dev_drv[i]->id = id;
3527                         rk_fb->num_lcdc++;
3528                         break;
3529                 }
3530         }
3531
3532         index = i;
3533         init_lcdc_device_driver(rk_fb, win, index);
3534         dev_drv->fb_index_base = rk_fb->num_fb;
3535         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3536                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3537                 if (!fbi) {
3538                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3539                         ret = -ENOMEM;
3540                 }
3541                 fbi->par = dev_drv;
3542                 fbi->var = def_var;
3543                 fbi->fix = def_fix;
3544                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3545                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3546                 fbi->var.grayscale |=
3547                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3548 #if defined(CONFIG_LOGO_LINUX_BMP)
3549                 fbi->var.bits_per_pixel = 32;
3550 #else
3551                 fbi->var.bits_per_pixel = 16;
3552 #endif
3553                 fbi->fix.line_length =
3554                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3555                 fbi->var.width = dev_drv->cur_screen->width;
3556                 fbi->var.height = dev_drv->cur_screen->height;
3557                 fbi->var.pixclock = dev_drv->pixclock;
3558                 if (dev_drv->iommu_enabled)
3559                         fb_ops.fb_mmap = rk_fb_mmap;
3560                 fbi->fbops = &fb_ops;
3561                 fbi->flags = FBINFO_FLAG_DEFAULT;
3562                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3563                 ret = register_framebuffer(fbi);
3564                 if (ret < 0) {
3565                         dev_err(&fb_pdev->dev,
3566                                 "%s fb%d register_framebuffer fail!\n",
3567                                 __func__, rk_fb->num_fb);
3568                         return ret;
3569                 }
3570                 rkfb_create_sysfs(fbi);
3571                 rk_fb->fb[rk_fb->num_fb] = fbi;
3572                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3573                          fbi->fix.id);
3574                 rk_fb->num_fb++;
3575
3576                 if (i == 0) {
3577                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3578                         init_waitqueue_head(&dev_drv->update_regs_wait);
3579                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3580                         if (ret)
3581                                 dev_err(fbi->dev,
3582                                         "failed to create vsync file\n");
3583                         dev_drv->vsync_info.thread =
3584                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3585                                         "fb-vsync");
3586                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3587                                 dev_err(fbi->dev,
3588                                         "failed to run vsync thread\n");
3589                                 dev_drv->vsync_info.thread = NULL;
3590                         }
3591                         dev_drv->vsync_info.active = 1;
3592
3593                         mutex_init(&dev_drv->output_lock);
3594
3595                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3596                         mutex_init(&dev_drv->update_regs_list_lock);
3597                         init_kthread_worker(&dev_drv->update_regs_worker);
3598
3599                         dev_drv->update_regs_thread =
3600                             kthread_run(kthread_worker_fn,
3601                                         &dev_drv->update_regs_worker, "rk-fb");
3602                         if (IS_ERR(dev_drv->update_regs_thread)) {
3603                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3604                                 dev_drv->update_regs_thread = NULL;
3605
3606                                 printk("failed to run update_regs thread\n");
3607                                 return err;
3608                         }
3609                         init_kthread_work(&dev_drv->update_regs_work,
3610                                           rk_fb_update_regs_handler);
3611
3612                         dev_drv->timeline =
3613                             sw_sync_timeline_create("fb-timeline");
3614                         dev_drv->timeline_max = 1;
3615                 }
3616         }
3617
3618         /* show logo for primary display device */
3619 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3620         if (dev_drv->prop == PRMRY) {
3621                 struct fb_info *main_fbi = rk_fb->fb[0];
3622                 main_fbi->fbops->fb_open(main_fbi, 1);
3623 /*
3624 #if defined(CONFIG_ROCKCHIP_IOMMU)
3625                 if (dev_drv->iommu_enabled) {
3626                         mmu_dev =
3627                             rockchip_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
3628                         if (mmu_dev) {
3629                                 platform_set_sysmmu(mmu_dev, dev_drv->dev);
3630                                 rockchip_sysmmu_set_fault_handler(dev_drv->dev,
3631                                                                   rk_fb_sysmmu_fault_handler);
3632                                 iovmm_activate(dev_drv->dev);
3633                         } else
3634                                 dev_err(dev_drv->dev,
3635                                         "failed to get rockchip iommu device\n");
3636                 }
3637 #endif
3638 */
3639                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3640                 if (support_uboot_display()) {
3641                         if (dev_drv->iommu_enabled) {
3642                                 rk_fb_copy_from_loader(main_fbi);
3643                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3644                                         main_fbi->fix.smem_start);
3645                         }
3646                         return 0;
3647                 }
3648                 main_fbi->fbops->fb_set_par(main_fbi);
3649 #if  defined(CONFIG_LOGO_LINUX_BMP)
3650                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3651                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3652                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3653                 }
3654 #else
3655                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3656                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3657                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3658                 }
3659 #endif
3660                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3661         } else {
3662 #if !defined(CONFIG_ROCKCHIP_IOMMU)
3663                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3664                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3665
3666                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3667 #endif
3668         }
3669 #endif
3670         return 0;
3671 }
3672
3673 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3674 {
3675         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3676         struct fb_info *fbi;
3677         int fb_index_base = dev_drv->fb_index_base;
3678         int fb_num = dev_drv->lcdc_win_num;
3679         int i = 0;
3680
3681         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3682                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3683                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3684         }
3685
3686         for (i = 0; i < fb_num; i++)
3687                 kfree(dev_drv->win[i]);
3688
3689         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3690                 fbi = fb_inf->fb[i];
3691                 unregister_framebuffer(fbi);
3692                 /* rk_release_fb_buffer(fbi); */
3693                 framebuffer_release(fbi);
3694         }
3695         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3696         fb_inf->num_lcdc--;
3697
3698         return 0;
3699 }
3700
3701 static int rk_fb_probe(struct platform_device *pdev)
3702 {
3703         struct rk_fb *rk_fb = NULL;
3704         struct device_node *np = pdev->dev.of_node;
3705         u32 mode;
3706
3707         if (!np) {
3708                 dev_err(&pdev->dev, "Missing device tree node.\n");
3709                 return -EINVAL;
3710         }
3711
3712         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3713         if (!rk_fb) {
3714                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3715                 return -ENOMEM;
3716         }
3717         platform_set_drvdata(pdev, rk_fb);
3718
3719         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3720                 rk_fb->disp_mode = mode;
3721
3722         } else {
3723                 dev_err(&pdev->dev, "no disp-mode node found!");
3724                 return -ENODEV;
3725         }
3726
3727         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3728                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3729
3730         dev_set_name(&pdev->dev, "rockchip-fb");
3731 #if defined(CONFIG_ION_ROCKCHIP)
3732         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3733         if (IS_ERR(rk_fb->ion_client)) {
3734                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3735                 return PTR_ERR(rk_fb->ion_client);
3736         } else {
3737                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3738         }
3739 #endif
3740
3741         fb_pdev = pdev;
3742         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3743         return 0;
3744 }
3745
3746 static int rk_fb_remove(struct platform_device *pdev)
3747 {
3748         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3749
3750         kfree(rk_fb);
3751         platform_set_drvdata(pdev, NULL);
3752         return 0;
3753 }
3754
3755 static void rk_fb_shutdown(struct platform_device *pdev)
3756 {
3757         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3758         int i;
3759
3760         for (i = 0; i < rk_fb->num_lcdc; i++) {
3761                 if (!rk_fb->lcdc_dev_drv[i])
3762                         continue;
3763         }
3764 }
3765
3766 static const struct of_device_id rkfb_dt_ids[] = {
3767         {.compatible = "rockchip,rk-fb",},
3768         {}
3769 };
3770
3771 static struct platform_driver rk_fb_driver = {
3772         .probe = rk_fb_probe,
3773         .remove = rk_fb_remove,
3774         .driver = {
3775                    .name = "rk-fb",
3776                    .owner = THIS_MODULE,
3777                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3778                    },
3779         .shutdown = rk_fb_shutdown,
3780 };
3781
3782 static int __init rk_fb_init(void)
3783 {
3784         return platform_driver_register(&rk_fb_driver);
3785 }
3786
3787 static void __exit rk_fb_exit(void)
3788 {
3789         platform_driver_unregister(&rk_fb_driver);
3790 }
3791
3792 fs_initcall(rk_fb_init);
3793 module_exit(rk_fb_exit);