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_platform.h>
  44 #include <linux/of_gpio.h>
  45 #include <video/of_display_timing.h>
  46 #include <video/display_timing.h>
  47 #include <dt-bindings/rkfb/rk_fb.h>
  48 #endif
  49
  50 #if defined(CONFIG_ION_ROCKCHIP)
  51 #include <linux/rockchip_ion.h>
  52 #include <linux/rockchip-iovmm.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         screen->color_mode = dt->color_mode;
 351         screen->dsp_lut = dt->dsp_lut;
 352
 353         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 354                 screen->pin_dclk = 1;
 355         else
 356                 screen->pin_dclk = 0;
 357         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 358                 screen->pin_hsync = 1;
 359         else
 360                 screen->pin_hsync = 0;
 361         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 362                 screen->pin_vsync = 1;
 363         else
 364                 screen->pin_vsync = 0;
 365         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 366                 screen->pin_den = 1;
 367         else
 368                 screen->pin_den = 0;
 369
 370         return 0;
 371
 372 }
 373
 374 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 375 {
 376         struct display_timings *disp_timing;
 377         struct display_timing *dt;
 378         disp_timing = of_get_display_timings(np);
 379         if (!disp_timing) {
 380                 pr_err("parse display timing err\n");
 381                 return -EINVAL;
 382         }
 383         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 384         rk_fb_video_mode_from_timing(dt, screen);
 385         return 0;
 386
 387 }
 388
 389 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 390 {
 391         int x, y;
 392         unsigned long long hz;
 393         if (!screen) {
 394                 printk(KERN_ERR "%s:null screen!\n", __func__);
 395                 return 0;
 396         }
 397         x = screen->mode.xres + screen->mode.left_margin +
 398             screen->mode.right_margin + screen->mode.hsync_len;
 399         y = screen->mode.yres + screen->mode.upper_margin +
 400             screen->mode.lower_margin + screen->mode.vsync_len;
 401
 402         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 403
 404         hz += (x * y) / 2;
 405         do_div(hz, x * y);      /* divide by x * y with rounding */
 406
 407         hz += pixclock / 2;
 408         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 409
 410         return hz;
 411 }
 412
 413 char *get_format_string(enum data_format format, char *fmt)
 414 {
 415         if (!fmt)
 416                 return NULL;
 417         switch (format) {
 418         case ARGB888:
 419                 strcpy(fmt, "ARGB888");
 420                 break;
 421         case RGB888:
 422                 strcpy(fmt, "RGB888");
 423                 break;
 424         case RGB565:
 425                 strcpy(fmt, "RGB565");
 426                 break;
 427         case YUV420:
 428                 strcpy(fmt, "YUV420");
 429                 break;
 430         case YUV422:
 431                 strcpy(fmt, "YUV422");
 432                 break;
 433         case YUV444:
 434                 strcpy(fmt, "YUV444");
 435                 break;
 436         case YUV420_A:
 437                 strcpy(fmt, "YUV420_A");
 438                 break;
 439         case YUV422_A:
 440                 strcpy(fmt, "YUV422_A");
 441                 break;
 442         case YUV444_A:
 443                 strcpy(fmt, "YUV444_A");
 444                 break;
 445         case XRGB888:
 446                 strcpy(fmt, "XRGB888");
 447                 break;
 448         case XBGR888:
 449                 strcpy(fmt, "XBGR888");
 450                 break;
 451         case ABGR888:
 452                 strcpy(fmt, "XBGR888");
 453                 break;
 454         default:
 455                 strcpy(fmt, "invalid");
 456                 break;
 457         }
 458
 459         return fmt;
 460
 461 }
 462
 463 /*
 464  * this is for hdmi
 465  * name: lcdc device name ,lcdc0 , lcdc1
 466  */
 467 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 468 {
 469         struct rk_fb *inf = NULL;
 470         struct rk_lcdc_driver *dev_drv = NULL;
 471         int i = 0;
 472
 473         if (likely(fb_pdev))
 474                 inf = platform_get_drvdata(fb_pdev);
 475         else
 476                 return NULL;
 477
 478         for (i = 0; i < inf->num_lcdc; i++) {
 479                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
 480                         dev_drv = inf->lcdc_dev_drv[i];
 481                         break;
 482                 }
 483         }
 484
 485         return dev_drv;
 486 }
 487
 488 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 489 {
 490         struct rk_fb *inf = NULL;
 491         struct rk_lcdc_driver *dev_drv = NULL;
 492         int i = 0;
 493
 494         if (likely(fb_pdev))
 495                 inf = platform_get_drvdata(fb_pdev);
 496         else
 497                 return NULL;
 498
 499         for (i = 0; i < inf->num_lcdc; i++) {
 500                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 501                         dev_drv = inf->lcdc_dev_drv[i];
 502                         break;
 503                 }
 504         }
 505
 506         return dev_drv;
 507 }
 508
 509 /*
 510  * get one frame time of the prmry screen, unit: us
 511  */
 512 u32 rk_fb_get_prmry_screen_ft(void)
 513 {
 514         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 515         uint32_t htotal, vtotal, pixclock_ps;
 516         u64 pix_total, ft_us;
 517
 518         if (unlikely(!dev_drv))
 519                 return 0;
 520
 521         pixclock_ps = dev_drv->pixclock;
 522
 523         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 524                  dev_drv->cur_screen->mode.lower_margin +
 525                  dev_drv->cur_screen->mode.yres +
 526                  dev_drv->cur_screen->mode.vsync_len);
 527         htotal = (dev_drv->cur_screen->mode.left_margin +
 528                  dev_drv->cur_screen->mode.right_margin +
 529                  dev_drv->cur_screen->mode.xres +
 530                  dev_drv->cur_screen->mode.hsync_len);
 531         pix_total = htotal * vtotal;
 532         ft_us = pix_total * pixclock_ps;
 533         do_div(ft_us, 1000000);
 534         if (dev_drv->frame_time.ft == 0)
 535                 dev_drv->frame_time.ft = ft_us;
 536
 537         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 538         do_div(ft_us, 1000);
 539         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 540         if (ft_us != 0)
 541                 dev_drv->frame_time.ft = ft_us;
 542
 543         return dev_drv->frame_time.ft;
 544 }
 545
 546 /*
 547  * get the vblanking time of the prmry screen, unit: us
 548  */
 549 u32 rk_fb_get_prmry_screen_vbt(void)
 550 {
 551         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 552         uint32_t htotal, vblank, pixclock_ps;
 553         u64 pix_blank, vbt_us;
 554
 555         if (unlikely(!dev_drv))
 556                 return 0;
 557
 558         pixclock_ps = dev_drv->pixclock;
 559
 560         htotal = (dev_drv->cur_screen->mode.left_margin +
 561                  dev_drv->cur_screen->mode.right_margin +
 562                  dev_drv->cur_screen->mode.xres +
 563                  dev_drv->cur_screen->mode.hsync_len);
 564         vblank = (dev_drv->cur_screen->mode.upper_margin +
 565                  dev_drv->cur_screen->mode.lower_margin +
 566                  dev_drv->cur_screen->mode.vsync_len);
 567         pix_blank = htotal * vblank;
 568         vbt_us = pix_blank * pixclock_ps;
 569         do_div(vbt_us, 1000000);
 570         return (u32)vbt_us;
 571 }
 572
 573 /*
 574  * get the frame done time of the prmry screen, unit: us
 575  */
 576 u64 rk_fb_get_prmry_screen_framedone_t(void)
 577 {
 578         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 579
 580         if (unlikely(!dev_drv))
 581                 return 0;
 582         else
 583                 return dev_drv->frame_time.framedone_t;
 584 }
 585
 586 /*
 587  * set prmry screen status
 588  */
 589 int rk_fb_set_prmry_screen_status(int status)
 590 {
 591         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 592         struct rk_screen *screen;
 593
 594         if (unlikely(!dev_drv))
 595                 return 0;
 596
 597         screen = dev_drv->cur_screen;
 598         switch (status) {
 599         case SCREEN_PREPARE_DDR_CHANGE:
 600                 if (screen->type == SCREEN_MIPI
 601                         || screen->type == SCREEN_DUAL_MIPI) {
 602                         if (dev_drv->trsm_ops->dsp_pwr_off)
 603                                 dev_drv->trsm_ops->dsp_pwr_off();
 604                 }
 605                 break;
 606         case SCREEN_UNPREPARE_DDR_CHANGE:
 607                 if (screen->type == SCREEN_MIPI
 608                         || screen->type == SCREEN_DUAL_MIPI) {
 609                         if (dev_drv->trsm_ops->dsp_pwr_on)
 610                                 dev_drv->trsm_ops->dsp_pwr_on();
 611                 }
 612                 break;
 613         default:
 614                 break;
 615         }
 616
 617         return 0;
 618 }
 619
 620 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 621 {
 622         struct rk_fb *inf = NULL;
 623         struct rk_lcdc_driver *dev_drv = NULL;
 624         int i = 0;
 625
 626         if (likely(fb_pdev))
 627                 inf = platform_get_drvdata(fb_pdev);
 628         else
 629                 return NULL;
 630
 631         for (i = 0; i < inf->num_lcdc; i++) {
 632                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 633                         dev_drv = inf->lcdc_dev_drv[i];
 634                         break;
 635                 }
 636         }
 637
 638         return dev_drv;
 639 }
 640
 641 u32 rk_fb_get_prmry_screen_pixclock(void)
 642 {
 643         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 644
 645         if (unlikely(!dev_drv))
 646                 return 0;
 647         else
 648                 return dev_drv->pixclock;
 649 }
 650
 651 int rk_fb_poll_prmry_screen_vblank(void)
 652 {
 653         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 654
 655         if (likely(dev_drv)) {
 656                 if (dev_drv->ops->poll_vblank)
 657                         return dev_drv->ops->poll_vblank(dev_drv);
 658                 else
 659                         return RK_LF_STATUS_NC;
 660         } else {
 661                 return RK_LF_STATUS_NC;
 662         }
 663 }
 664
 665 bool rk_fb_poll_wait_frame_complete(void)
 666 {
 667         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 668         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 669
 670         if (likely(dev_drv)) {
 671                 if (dev_drv->ops->set_irq_to_cpu)
 672                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 673         }
 674
 675         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 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                 return false;
 681         }
 682         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 683                 ;
 684         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 685                 ;
 686         if (likely(dev_drv)) {
 687                 if (dev_drv->ops->set_irq_to_cpu)
 688                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 689         }
 690
 691         return true;
 692 }
 693
 694
 695 /* rk_fb_get_sysmmu_device_by_compatible()
 696  * @compt: dts device compatible name
 697  * return value: success: pointer to the device inside of platform device
 698  *               fail: NULL
 699  */
 700 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 701 {
 702         struct device_node *dn = NULL;
 703         struct platform_device *pd = NULL;
 704         struct device *ret = NULL ;
 705
 706         dn = of_find_compatible_node(NULL, NULL, compt);
 707         if (!dn) {
 708                 printk("can't find device node %s \r\n", compt);
 709                 return NULL;
 710         }
 711
 712         pd = of_find_device_by_node(dn);
 713         if (!pd) {
 714                 printk("can't find platform device in device node %s \r\n", compt);
 715                 return  NULL;
 716         }
 717         ret = &pd->dev;
 718
 719         return ret;
 720 }
 721
 722 #ifdef CONFIG_IOMMU_API
 723 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 724 {
 725         dev->archdata.iommu = sysmmu;
 726 }
 727 #else
 728 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 729 {
 730
 731 }
 732 #endif
 733
 734 static int rk_fb_open(struct fb_info *info, int user)
 735 {
 736         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 737         int win_id;
 738
 739         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 740         dev_drv->win[win_id]->logicalstate++;
 741         /* if this win aready opened ,no need to reopen */
 742         if (dev_drv->win[win_id]->state)
 743                 return 0;
 744         else
 745                 dev_drv->ops->open(dev_drv, win_id, 1);
 746         return 0;
 747 }
 748
 749 static int get_extend_fb_id(struct fb_info *info)
 750 {
 751         int fb_id = 0;
 752         char *id = info->fix.id;
 753         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 754
 755         if (!strcmp(id, "fb0"))
 756                 fb_id = 0;
 757         else if (!strcmp(id, "fb1"))
 758                 fb_id = 1;
 759         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 760                 fb_id = 2;
 761         return fb_id;
 762 }
 763
 764 static int rk_fb_close(struct fb_info *info, int user)
 765 {
 766         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 767         struct rk_lcdc_win *win = NULL;
 768         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 769
 770         if (win_id >= 0) {
 771                 dev_drv->win[win_id]->logicalstate--;
 772                 if (!dev_drv->win[win_id]->logicalstate) {
 773                         win = dev_drv->win[win_id];
 774                         info->fix.smem_start = win->reserved;
 775                         info->var.xres = dev_drv->screen0->mode.xres;
 776                         info->var.yres = dev_drv->screen0->mode.yres;
 777                         /*
 778                         info->var.grayscale |=
 779                             (info->var.xres << 8) + (info->var.yres << 20);
 780                         */
 781                         info->var.xres_virtual = info->var.xres;
 782                         info->var.yres_virtual = info->var.yres;
 783 #if defined(CONFIG_LOGO_LINUX_BMP)
 784                         info->var.bits_per_pixel = 32;
 785 #else
 786                         info->var.bits_per_pixel = 16;
 787 #endif
 788                         info->fix.line_length =
 789                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 790                         info->var.width = dev_drv->screen0->width;
 791                         info->var.height = dev_drv->screen0->height;
 792                         info->var.pixclock = dev_drv->pixclock;
 793                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 794                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 795                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 796                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 797                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 798                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 799                 }
 800         }
 801
 802         return 0;
 803 }
 804
 805
 806 #if defined(CONFIG_RK29_IPP)
 807 static int get_ipp_format(int fmt)
 808 {
 809         int ipp_fmt = IPP_XRGB_8888;
 810         switch (fmt) {
 811         case HAL_PIXEL_FORMAT_RGBX_8888:
 812         case HAL_PIXEL_FORMAT_RGBA_8888:
 813         case HAL_PIXEL_FORMAT_BGRA_8888:
 814         case HAL_PIXEL_FORMAT_RGB_888:
 815                 ipp_fmt = IPP_XRGB_8888;
 816                 break;
 817         case HAL_PIXEL_FORMAT_RGB_565:
 818                 ipp_fmt = IPP_RGB_565;
 819                 break;
 820         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 821                 ipp_fmt = IPP_Y_CBCR_H2V1;
 822                 break;
 823         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 824                 ipp_fmt = IPP_Y_CBCR_H2V2;
 825                 break;
 826         case HAL_PIXEL_FORMAT_YCrCb_444:
 827                 ipp_fmt = IPP_Y_CBCR_H1V1;
 828                 break;
 829         default:
 830                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 831                 break;
 832         }
 833
 834         return ipp_fmt;
 835 }
 836
 837 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 838                           int rotation, int fmt)
 839 {
 840         int align16 = 2;
 841         int align64 = 8;
 842
 843         if (fmt == IPP_XRGB_8888) {
 844                 align16 = 1;
 845                 align64 = 2;
 846         } else if (fmt == IPP_RGB_565) {
 847                 align16 = 1;
 848                 align64 = 4;
 849         } else {
 850                 align16 = 2;
 851                 align64 = 8;
 852         }
 853         align16 -= 1;           /*for YUV, 1 */
 854         align64 -= 1;           /*for YUV, 7 */
 855
 856         if (rotation == IPP_ROT_0) {
 857                 if (fmt > IPP_RGB_565) {
 858                         if ((*dst_w & 1) != 0)
 859                                 *dst_w = *dst_w + 1;
 860                         if ((*dst_h & 1) != 0)
 861                                 *dst_h = *dst_h + 1;
 862                         if (*dst_vir_w < *dst_w)
 863                                 *dst_vir_w = *dst_w;
 864                 }
 865         } else {
 866                 if ((*dst_w & align64) != 0)
 867                         *dst_w = (*dst_w + align64) & (~align64);
 868                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 869                         *dst_h = *dst_h + 1;
 870                 if (*dst_vir_w < *dst_w)
 871                         *dst_vir_w = *dst_w;
 872         }
 873 }
 874
 875 static void fb_copy_by_ipp(struct fb_info *dst_info,
 876                            struct fb_info *src_info, int offset)
 877 {
 878         struct rk29_ipp_req ipp_req;
 879         uint32_t rotation = 0;
 880         int dst_w, dst_h, dst_vir_w;
 881         int ipp_fmt;
 882         u8 data_format = (dst_info->var.nonstd) & 0xff;
 883         struct rk_lcdc_driver *ext_dev_drv =
 884                         (struct rk_lcdc_driver *)dst_info->par;
 885         u16 orientation = ext_dev_drv->rotate_mode;
 886
 887         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 888
 889         switch (orientation) {
 890         case 0:
 891                 rotation = IPP_ROT_0;
 892                 break;
 893         case ROTATE_90:
 894                 rotation = IPP_ROT_90;
 895                 break;
 896         case ROTATE_180:
 897                 rotation = IPP_ROT_180;
 898                 break;
 899         case ROTATE_270:
 900                 rotation = IPP_ROT_270;
 901                 break;
 902         default:
 903                 rotation = IPP_ROT_270;
 904                 break;
 905         }
 906
 907         dst_w = dst_info->var.xres;
 908         dst_h = dst_info->var.yres;
 909         dst_vir_w = dst_info->var.xres_virtual;
 910         ipp_fmt = get_ipp_format(data_format);
 911         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 912         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 913         ipp_req.src0.w = src_info->var.xres;
 914         ipp_req.src0.h = src_info->var.yres;
 915         ipp_req.src_vir_w = src_info->var.xres_virtual;
 916         ipp_req.src0.fmt = ipp_fmt;
 917
 918         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 919         ipp_req.dst0.w = dst_w;
 920         ipp_req.dst0.h = dst_h;
 921         ipp_req.dst_vir_w = dst_vir_w;
 922         ipp_req.dst0.fmt = ipp_fmt;
 923
 924         ipp_req.timeout = 100;
 925         ipp_req.flag = rotation;
 926         ipp_blit_sync(&ipp_req);
 927 }
 928
 929 #endif
 930
 931 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 932 static int get_rga_format(int fmt)
 933 {
 934         int rga_fmt = 0;
 935
 936         switch (fmt) {
 937         case XBGR888:
 938                 rga_fmt = RK_FORMAT_RGBX_8888;
 939                 break;
 940         case ABGR888:
 941                 rga_fmt = RK_FORMAT_RGBA_8888;
 942                 break;
 943         case ARGB888:
 944                 rga_fmt = RK_FORMAT_BGRA_8888;
 945                 break;
 946         case RGB888:
 947                 rga_fmt = RK_FORMAT_RGB_888;
 948                 break;
 949         case RGB565:
 950                 rga_fmt = RK_FORMAT_RGB_565;
 951                 break;
 952         case YUV422:
 953                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 954                 break;
 955         case YUV420:
 956                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 957                 break;
 958         default:
 959                 rga_fmt = RK_FORMAT_RGBA_8888;
 960                 break;
 961         }
 962
 963         return rga_fmt;
 964 }
 965
 966 static void rga_win_check(struct rk_lcdc_win *dst_win,
 967                           struct rk_lcdc_win *src_win)
 968 {
 969         int align32 = 4;
 970
 971         align32 -= 1;
 972         /*width and height must be aligned by 32 bit */
 973         if ((src_win->area[0].xact & align32) != 0)
 974                 src_win->area[0].xact =
 975                     (src_win->area[0].xact + align32) & (~align32);
 976         if ((src_win->area[0].yact & align32) != 0)
 977                 src_win->area[0].yact =
 978                     (src_win->area[0].yact + align32) & (~align32);
 979         if (src_win->area[0].xvir < src_win->area[0].xact)
 980                 src_win->area[0].xvir = src_win->area[0].xact;
 981         if (src_win->area[0].yvir < src_win->area[0].yact)
 982                 src_win->area[0].yvir = src_win->area[0].yact;
 983
 984         if ((dst_win->area[0].xact & align32) != 0)
 985                 dst_win->area[0].xact =
 986                     (dst_win->area[0].xact + align32) & (~align32);
 987         if ((dst_win->area[0].yact & align32) != 0)
 988                 dst_win->area[0].yact =
 989                     (dst_win->area[0].yact + align32) & (~align32);
 990         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 991                 dst_win->area[0].xvir = dst_win->area[0].xact;
 992         if (dst_win->area[0].yvir < dst_win->area[0].yact)
 993                 dst_win->area[0].yvir = dst_win->area[0].yact;
 994 }
 995
 996 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
 997                             struct rk_lcdc_win *src_win, u16 orientation)
 998 {
 999         struct rga_req Rga_Request;
1000         long ret = 0;
1001         /* int fd = 0; */
1002
1003         memset(&Rga_Request, 0, sizeof(Rga_Request));
1004         rga_win_check(dst_win, src_win);
1005
1006         switch (orientation) {
1007         case ROTATE_90:
1008                 Rga_Request.rotate_mode = 1;
1009                 Rga_Request.sina = 65536;
1010                 Rga_Request.cosa = 0;
1011                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1012                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1013                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1014                 Rga_Request.dst.y_offset = 0;
1015                 break;
1016         case ROTATE_180:
1017                 Rga_Request.rotate_mode = 1;
1018                 Rga_Request.sina = 0;
1019                 Rga_Request.cosa = -65536;
1020                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1021                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1022                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1023                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1024                 break;
1025         case ROTATE_270:
1026                 Rga_Request.rotate_mode = 1;
1027                 Rga_Request.sina = -65536;
1028                 Rga_Request.cosa = 0;
1029                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1030                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1031                 Rga_Request.dst.x_offset = 0;
1032                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1033                 break;
1034         default:
1035                 Rga_Request.rotate_mode = 0;
1036                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1037                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1038                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1039                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1040                 break;
1041         }
1042
1043 /*
1044         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1045         Rga_Request.src.yrgb_addr = fd;
1046         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1047         Rga_Request.dst.yrgb_addr = fd;
1048 */
1049         Rga_Request.src.yrgb_addr = 0;
1050         Rga_Request.src.uv_addr =
1051             src_win->area[0].smem_start + src_win->area[0].y_offset;
1052         Rga_Request.src.v_addr = 0;
1053
1054         Rga_Request.dst.yrgb_addr = 0;
1055         Rga_Request.dst.uv_addr =
1056             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1057         Rga_Request.dst.v_addr = 0;
1058
1059         Rga_Request.src.vir_w = src_win->area[0].xvir;
1060         Rga_Request.src.vir_h = src_win->area[0].yvir;
1061         Rga_Request.src.format = get_rga_format(src_win->format);
1062         Rga_Request.src.act_w = src_win->area[0].xact;
1063         Rga_Request.src.act_h = src_win->area[0].yact;
1064         Rga_Request.src.x_offset = 0;
1065         Rga_Request.src.y_offset = 0;
1066
1067         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1068         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1069         Rga_Request.dst.format = get_rga_format(dst_win->format);
1070
1071         Rga_Request.clip.xmin = 0;
1072         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1073         Rga_Request.clip.ymin = 0;
1074         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1075         Rga_Request.scale_mode = 0;
1076 #if defined(CONFIG_ROCKCHIP_IOMMU)
1077         Rga_Request.mmu_info.mmu_en = 1;        /* TODO Modify for use mmu */
1078         Rga_Request.mmu_info.mmu_flag = 1;
1079 #else
1080         Rga_Request.mmu_info.mmu_en = 0;
1081         Rga_Request.mmu_info.mmu_flag = 0;
1082 #endif
1083
1084         ret = rga_ioctl_kernel(&Rga_Request);
1085 }
1086
1087 /*
1088  * This function is used for copying fb by RGA Module
1089  * RGA only support copy RGB to RGB
1090  * RGA2 support copy RGB to RGB and YUV to YUV
1091  */
1092 static void fb_copy_by_rga(struct fb_info *dst_info, struct fb_info *src_info,
1093                            int yrgb_offset)
1094 {
1095         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1096         struct rk_lcdc_driver *ext_dev_drv =
1097             (struct rk_lcdc_driver *)dst_info->par;
1098         int win_id = 0, ext_win_id;
1099         struct rk_lcdc_win *src_win, *dst_win;
1100
1101         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1102         src_win = dev_drv->win[win_id];
1103
1104         ext_win_id =
1105             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1106         dst_win = ext_dev_drv->win[ext_win_id];
1107
1108         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode);
1109 }
1110
1111 #endif
1112
1113 static int rk_fb_rotate(struct fb_info *dst_info,
1114                         struct fb_info *src_info, int offset)
1115 {
1116 #if defined(CONFIG_RK29_IPP)
1117         fb_copy_by_ipp(dst_info, src_info, offset);
1118 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1119         fb_copy_by_rga(dst_info, src_info, offset);
1120 #else
1121         return -1;
1122 #endif
1123         return 0;
1124 }
1125
1126 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1127                             struct rk_lcdc_win *src_win, u16 rotate)
1128 {
1129 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1130         win_copy_by_rga(dst_win, src_win, rotate);
1131 #else
1132         return -1;
1133 #endif
1134         return 0;
1135 }
1136
1137
1138 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1139                              struct fb_info *info)
1140 {
1141         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1142         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1143         struct fb_fix_screeninfo *fix = &info->fix;
1144         struct fb_info *extend_info = NULL;
1145         struct rk_lcdc_driver *extend_dev_drv = NULL;
1146         int win_id = 0, extend_win_id = 0;
1147         struct rk_lcdc_win *extend_win = NULL;
1148         struct rk_lcdc_win *win = NULL;
1149         struct rk_screen *screen = dev_drv->cur_screen;
1150         int fb_id = 0;
1151
1152         u32 xoffset = var->xoffset;
1153         u32 yoffset = var->yoffset;
1154         u32 xvir = var->xres_virtual;
1155         /* u32 yvir = var->yres_virtual; */
1156         /* u8 data_format = var->nonstd&0xff; */
1157
1158         u8 pixel_width;
1159         u32 vir_width_bit;
1160         u32 stride, uv_stride;
1161         u32 stride_32bit_1;
1162         u32 stride_32bit_2;
1163         u16 uv_x_off, uv_y_off, uv_y_act;
1164         u8 is_pic_yuv = 0;
1165
1166         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1167         if (win_id < 0)
1168                 return -ENODEV;
1169         else
1170                 win = dev_drv->win[win_id];
1171
1172         if (rk_fb->disp_mode == DUAL) {
1173                 fb_id = get_extend_fb_id(info);
1174                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1175                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1176                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1177                                                            extend_info->fix.id);
1178                 extend_win = extend_dev_drv->win[extend_win_id];
1179         }
1180
1181         pixel_width = rk_fb_pixel_width(win->format);
1182         vir_width_bit = pixel_width * xvir;
1183         /* pixel_width = byte_num * 8 */
1184         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1185         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1186
1187         switch (win->format) {
1188         case YUV422:
1189         case YUV422_A:
1190                 is_pic_yuv = 1;
1191                 stride = stride_32bit_1;
1192                 uv_stride = stride_32bit_1 >> 1;
1193                 uv_x_off = xoffset >> 1;
1194                 uv_y_off = yoffset;
1195                 fix->line_length = stride;
1196                 uv_y_act = win->area[0].yact >> 1;
1197                 break;
1198         case YUV420:            /* 420sp */
1199         case YUV420_A:
1200                 is_pic_yuv = 1;
1201                 stride = stride_32bit_1;
1202                 uv_stride = stride_32bit_1;
1203                 uv_x_off = xoffset;
1204                 uv_y_off = yoffset >> 1;
1205                 fix->line_length = stride;
1206                 uv_y_act = win->area[0].yact >> 1;
1207                 break;
1208         case YUV444:
1209         case YUV444_A:
1210                 is_pic_yuv = 1;
1211                 stride = stride_32bit_1;
1212                 uv_stride = stride_32bit_2;
1213                 uv_x_off = xoffset * 2;
1214                 uv_y_off = yoffset;
1215                 fix->line_length = stride << 2;
1216                 uv_y_act = win->area[0].yact;
1217                 break;
1218         default:
1219                 stride = stride_32bit_1;        /* default rgb */
1220                 fix->line_length = stride;
1221                 break;
1222         }
1223
1224         /* x y mirror ,jump line */
1225         if (screen->y_mirror == 1) {
1226                 if (screen->interlace == 1) {
1227                         win->area[0].y_offset = yoffset * stride * 2 +
1228                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1229                             xoffset * pixel_width / 8;
1230                 } else {
1231                         win->area[0].y_offset = yoffset * stride +
1232                             (win->area[0].yact - 1) * stride +
1233                             xoffset * pixel_width / 8;
1234                 }
1235         } else {
1236                 if (screen->interlace == 1) {
1237                         win->area[0].y_offset =
1238                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1239                 } else {
1240                         win->area[0].y_offset =
1241                             yoffset * stride + xoffset * pixel_width / 8;
1242                 }
1243         }
1244         if (is_pic_yuv == 1) {
1245                 if (screen->y_mirror == 1) {
1246                         if (screen->interlace == 1) {
1247                                 win->area[0].c_offset =
1248                                     uv_y_off * uv_stride * 2 +
1249                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1250                                     uv_x_off * pixel_width / 8;
1251                         } else {
1252                                 win->area[0].c_offset = uv_y_off * uv_stride +
1253                                     (uv_y_act - 1) * uv_stride +
1254                                     uv_x_off * pixel_width / 8;
1255                         }
1256                 } else {
1257                         if (screen->interlace == 1) {
1258                                 win->area[0].c_offset =
1259                                     uv_y_off * uv_stride * 2 +
1260                                     uv_x_off * pixel_width / 8;
1261                         } else {
1262                                 win->area[0].c_offset =
1263                                     uv_y_off * uv_stride +
1264                                     uv_x_off * pixel_width / 8;
1265                         }
1266                 }
1267         }
1268
1269         win->area[0].smem_start = fix->smem_start;
1270         win->area[0].cbr_start = fix->mmio_start;
1271         win->area[0].state = 1;
1272         win->area_num = 1;
1273         win->state = 1;
1274
1275         dev_drv->ops->pan_display(dev_drv, win_id);
1276         if (rk_fb->disp_mode == DUAL) {
1277                 if (extend_win->state && (hdmi_switch_complete)) {
1278                         extend_win->area[0].y_offset = win->area[0].y_offset;
1279                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR) {
1280                                 rk_fb_rotate(extend_info, info,
1281                                                 win->area[0].y_offset);
1282                         } else {
1283                                 extend_win->area[0].smem_start =
1284                                                 win->area[0].smem_start;
1285                                 extend_win->area[0].cbr_start =
1286                                                 win->area[0].cbr_start;
1287                         }
1288                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1289                                                          extend_win_id);
1290                 }
1291         }
1292 #ifdef  CONFIG_FB_MIRRORING
1293         if (video_data_to_mirroring)
1294                 video_data_to_mirroring(info, NULL);
1295 #endif
1296         dev_drv->ops->cfg_done(dev_drv);
1297         return 0;
1298 }
1299
1300 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1301 {
1302         int i, j;
1303
1304         i = list_empty(&dev_drv->update_regs_list);
1305         j = list_empty(&saved_list);
1306         return i == j ? 0 : 1;
1307 }
1308
1309 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1310 {
1311         int err = sync_fence_wait(fence, 1000);
1312
1313         if (err >= 0)
1314                 return;
1315
1316         if (err == -ETIME)
1317                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1318
1319         if (err < 0)
1320                 printk("error waiting on fence\n");
1321 }
1322
1323 static int rk_fb_copy_from_loader(struct fb_info *info)
1324 {
1325         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1326         void *dst = info->screen_base;
1327         u32 dsp_addr[4];
1328         u32 src;
1329         u32 i;
1330         struct rk_lcdc_win *win = dev_drv->win[0];
1331         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1332         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1333         src = dsp_addr[0];
1334         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1335                  win->area[0].xact, win->area[0].yact, src);
1336         for (i = 0; i < size; i += PAGE_SIZE) {
1337                 void *page = phys_to_page(i + src);
1338                 void *from_virt = kmap(page);
1339                 void *to_virt = dst + i;
1340                 memcpy(to_virt, from_virt, PAGE_SIZE);
1341         }
1342         return 0;
1343 }
1344
1345 #ifdef CONFIG_ROCKCHIP_IOMMU
1346 static int g_last_addr[4];
1347 int g_last_timeout;
1348 u32 freed_addr[10];
1349 u32 freed_index;
1350
1351 #define DUMP_CHUNK 256
1352 char buf[PAGE_SIZE];
1353
1354 int rk_fb_sysmmu_fault_handler(struct device *dev,
1355                                enum rk_iommu_inttype itype,
1356                                unsigned long pgtable_base,
1357                                unsigned long fault_addr, unsigned int status)
1358 {
1359         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1360         int i = 0;
1361         static int page_fault_cnt;
1362         if ((page_fault_cnt++) >= 10)
1363                 return 0;
1364         pr_err
1365             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1366              fault_addr, pgtable_base, status);
1367         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1368                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1369                g_last_addr[2], g_last_addr[3]);
1370         printk("last freed buffer:\n");
1371         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1372                 printk("%d:0x%08x\n", i, freed_addr[i]);
1373         printk("last timeout:%d\n", g_last_timeout);
1374         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1375         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1376                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1377                         char c = buf[i + DUMP_CHUNK];
1378                         buf[i + DUMP_CHUNK] = 0;
1379                         pr_cont("%s", buf + i);
1380                         buf[i + DUMP_CHUNK] = c;
1381                 } else {
1382                         buf[PAGE_SIZE - 1] = 0;
1383                         pr_cont("%s", buf + i);
1384                 }
1385         }
1386
1387         return 0;
1388 }
1389 #endif
1390
1391 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1392                         struct rk_fb_reg_win_data *reg_win_data)
1393 {
1394         int i, index_buf;
1395         struct rk_fb_reg_area_data *area_data;
1396         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1397
1398         for (i = 0; i < reg_win_data->area_num; i++) {
1399                 area_data = &reg_win_data->reg_area_data[i];
1400                 index_buf = area_data->index_buf;
1401 #if defined(CONFIG_ROCKCHIP_IOMMU)
1402                 if (dev_drv->iommu_enabled) {
1403                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1404                                         area_data->ion_handle);
1405                         freed_addr[freed_index++] = area_data->smem_start;
1406                 }
1407 #endif
1408                 if (area_data->ion_handle != NULL) {
1409                         ion_unmap_kernel(rk_fb->ion_client,
1410                                          area_data->ion_handle);
1411                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1412                 }
1413                 if (area_data->acq_fence)
1414                         sync_fence_put(area_data->acq_fence);
1415         }
1416         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1417 }
1418
1419 static void rk_fb_update_driver(struct rk_lcdc_driver *dev_drv,
1420                                 struct rk_lcdc_win *win,
1421                                 struct rk_fb_reg_win_data *reg_win_data)
1422 {
1423         int i = 0;
1424         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1425         struct rk_screen *cur_screen;
1426         struct rk_screen primary_screen;
1427
1428         if (unlikely(!inf) || unlikely(!dev_drv) ||
1429             unlikely(!win) || unlikely(!reg_win_data))
1430                 return;
1431
1432         cur_screen = dev_drv->cur_screen;
1433         rk_fb_get_prmry_screen(&primary_screen);
1434
1435         win->area_num = reg_win_data->area_num;
1436         win->format = reg_win_data->data_format;
1437         win->id = reg_win_data->win_id;
1438         win->z_order = reg_win_data->z_order;
1439
1440         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1441                 win->state = 1;
1442                 win->area_num = reg_win_data->area_num;
1443                 win->format = reg_win_data->data_format;
1444                 win->id = reg_win_data->win_id;
1445                 win->z_order = reg_win_data->z_order;
1446                 win->area[0].uv_vir_stride =
1447                     reg_win_data->reg_area_data[0].uv_vir_stride;
1448                 win->area[0].cbr_start =
1449                     reg_win_data->reg_area_data[0].cbr_start;
1450                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1451                 win->alpha_en = reg_win_data->alpha_en;
1452                 win->alpha_mode = reg_win_data->alpha_mode;
1453                 win->g_alpha_val = reg_win_data->g_alpha_val;
1454                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1455                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1456                                 win->area[i].smem_start =
1457                                     reg_win_data->reg_area_data[i].smem_start;
1458                                 if (inf->disp_mode == DUAL) {
1459                                         win->area[i].xpos =
1460                                                 reg_win_data->reg_area_data[i].xpos;
1461                                         win->area[i].ypos =
1462                                                 reg_win_data->reg_area_data[i].ypos;
1463                                         win->area[i].xsize =
1464                                                 reg_win_data->reg_area_data[i].xsize;
1465                                         win->area[i].ysize =
1466                                                 reg_win_data->reg_area_data[i].ysize;
1467                                 } else {
1468                                         win->area[i].xpos =
1469                                                 reg_win_data->reg_area_data[i].xpos *
1470                                                 cur_screen->mode.xres /
1471                                                 primary_screen.mode.xres;
1472                                         win->area[i].ypos =
1473                                                 reg_win_data->reg_area_data[i].ypos *
1474                                                 cur_screen->mode.yres /
1475                                                 primary_screen.mode.yres;
1476                                         win->area[i].xsize =
1477                                                 reg_win_data->reg_area_data[i].xsize *
1478                                                 cur_screen->mode.xres /
1479                                                 primary_screen.mode.xres;
1480                                         win->area[i].ysize =
1481                                                 reg_win_data->reg_area_data[i].ysize *
1482                                                 cur_screen->mode.yres /
1483                                                 primary_screen.mode.yres;
1484                                 }
1485                                 win->area[i].xact =
1486                                     reg_win_data->reg_area_data[i].xact;
1487                                 win->area[i].yact =
1488                                     reg_win_data->reg_area_data[i].yact;
1489                                 win->area[i].xvir =
1490                                     reg_win_data->reg_area_data[i].xvir;
1491                                 win->area[i].yvir =
1492                                     reg_win_data->reg_area_data[i].yvir;
1493                                 win->area[i].y_offset =
1494                                     reg_win_data->reg_area_data[i].y_offset;
1495                                 win->area[i].y_vir_stride =
1496                                     reg_win_data->reg_area_data[i].y_vir_stride;
1497                                 win->area[i].state = 1;
1498                         } else {
1499                                 win->area[i].state = 0;
1500                         }
1501                 }
1502         } else {
1503         /*
1504                 win->state = 0;
1505                 win->z_order = -1;
1506         */
1507         }
1508 }
1509
1510 static int rk_fb_update_hdmi_win(struct rk_lcdc_win *ext_win,
1511                                  struct rk_lcdc_win *win)
1512 {
1513         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1514         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1515         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1516         struct rk_screen *screen;
1517         struct rk_screen *ext_screen;
1518         int hdmi_xsize;
1519         int hdmi_ysize;
1520         int pixel_width, vir_width_bit, y_stride;
1521         struct rk_lcdc_win *last_win;
1522         bool is_yuv = false;
1523         static u8 fb_index = 0;
1524
1525         if ((rk_fb->disp_mode != DUAL) ||
1526                 (hdmi_get_hotplug() != HDMI_HPD_ACTIVED) ||
1527                 (!hdmi_switch_complete)) {
1528                 printk(KERN_INFO "%s: hdmi is disconnect!\n", __func__);
1529                 return -1;
1530         }
1531
1532         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
1533                 return -1;
1534
1535         screen = dev_drv->cur_screen;
1536         ext_screen = ext_dev_drv->cur_screen;
1537         hdmi_xsize = ext_screen->xsize;
1538         hdmi_ysize = ext_screen->ysize;
1539
1540         ext_win->state = win->state;
1541         ext_win->id = win->id;
1542         if (win->area[0].smem_start == 0)
1543                 ext_win->state = 0;
1544         if (ext_win->state == 0)
1545                 return 0;
1546
1547         ext_win->area_num = win->area_num;
1548         ext_win->format = win->format;
1549         ext_win->z_order = win->z_order;
1550         ext_win->alpha_en = win->alpha_en;
1551         ext_win->alpha_mode = win->alpha_mode;
1552         ext_win->g_alpha_val = win->g_alpha_val;
1553
1554         /* win0 and win1 have only one area and support scale
1555          * but win2 and win3 don't support scale
1556          * so hdmi only use win0 or win1
1557          */
1558         ext_win->area[0].state = win->area[0].state;
1559
1560         switch (ext_win->format) {
1561         case YUV422:
1562         case YUV420:
1563         case YUV444:
1564         case YUV422_A:
1565         case YUV420_A:
1566         case YUV444_A:
1567                 is_yuv = true;
1568                 break;
1569         default:
1570                 is_yuv = false;
1571                 break;
1572         }
1573
1574         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1575                         ext_dev_drv->rotate_mode == ROTATE_270) {
1576                 if (ext_win->id == 0) {
1577                         ext_win->area[0].smem_start =
1578                                 rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1579                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1580                         if ((++fb_index) > 1)
1581                                 fb_index = 0;
1582                 } else {
1583                         ext_win->area[0].y_offset = 0;
1584                         last_win = ext_dev_drv->win[ext_win->id - 1];
1585                         if (last_win->area[0].cbr_start)
1586                                 ext_win->area[0].smem_start =
1587                                         last_win->area[0].cbr_start +
1588                                         last_win->area[0].c_offset +
1589                                         last_win->area[0].xvir * last_win->area[0].yvir;
1590                         else
1591                                 ext_win->area[0].smem_start =
1592                                         last_win->area[0].smem_start +
1593                                         last_win->area[0].y_offset +
1594                                         last_win->area[0].xvir * last_win->area[0].yvir;
1595                 }
1596
1597                 ext_win->area[0].xact = win->area[0].yact;
1598                 ext_win->area[0].yact = win->area[0].xact;
1599                 ext_win->area[0].xvir = win->area[0].yact;
1600                 ext_win->area[0].yvir = win->area[0].xact;
1601                 pixel_width = rk_fb_pixel_width(ext_win->format);
1602                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1603                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1604                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1605         } else {
1606                 ext_win->area[0].smem_start = win->area[0].smem_start;
1607                 ext_win->area[0].y_offset = win->area[0].y_offset;
1608                 ext_win->area[0].xact = win->area[0].xact;
1609                 ext_win->area[0].yact = win->area[0].yact;
1610                 ext_win->area[0].xvir = win->area[0].xvir;
1611                 ext_win->area[0].yvir = win->area[0].yvir;
1612                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1613         }
1614
1615         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1616                 if (ext_dev_drv->rotate_mode == ROTATE_270) {
1617                         int xbom_pos = 0, ybom_pos = 0;
1618                         int xtop_pos = 0, ytop_pos = 0;
1619
1620                         ext_win->area[0].xsize = hdmi_xsize *
1621                                                 win->area[0].ysize /
1622                                                 screen->mode.yres;
1623                         ext_win->area[0].ysize = hdmi_ysize *
1624                                                 win->area[0].xsize /
1625                                                 screen->mode.xres;
1626                         xbom_pos = hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1627                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1628                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1629                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1630                         ext_win->area[0].xpos =
1631                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1632                         ext_win->area[0].ypos =
1633                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1634                 } else if (ext_dev_drv->rotate_mode == ROTATE_90) {
1635                         ext_win->area[0].xsize = hdmi_xsize *
1636                                                 win->area[0].ysize /
1637                                                 screen->mode.yres;
1638                         ext_win->area[0].ysize = hdmi_ysize *
1639                                                 win->area[0].xsize /
1640                                                 screen->mode.xres;
1641                         ext_win->area[0].xpos =
1642                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1643                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1644                         ext_win->area[0].ypos =
1645                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1646                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1647                 } else {
1648                         ext_win->area[0].xsize = hdmi_xsize *
1649                                                 win->area[0].xsize /
1650                                                 screen->mode.xres;
1651                         ext_win->area[0].ysize = hdmi_ysize *
1652                                                 win->area[0].ysize /
1653                                                 screen->mode.yres;
1654                         ext_win->area[0].xpos =
1655                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1656                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1657                         ext_win->area[0].ypos =
1658                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1659                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1660                 }
1661         } else {
1662                 ext_win->area[0].xsize = hdmi_xsize;
1663                 ext_win->area[0].ysize = hdmi_ysize;
1664                 ext_win->area[0].xpos =
1665                                 (ext_screen->mode.xres - hdmi_xsize) >> 1;
1666                 ext_win->area[0].ypos =
1667                                 (ext_screen->mode.yres - hdmi_ysize) >> 1;
1668         }
1669
1670         if (!is_yuv) {
1671                 ext_win->area[0].uv_vir_stride = 0;
1672                 ext_win->area[0].cbr_start = 0;
1673                 ext_win->area[0].c_offset = 0;
1674                 return 0;
1675         }
1676
1677         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1678                 ext_dev_drv->rotate_mode == ROTATE_270) {
1679                 ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1680                 ext_win->area[0].cbr_start = ext_win->area[0].smem_start +
1681                                 ext_win->area[0].y_offset +
1682                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1683                 ext_win->area[0].c_offset = win->area[0].c_offset;
1684         } else {
1685                 ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1686                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1687                 ext_win->area[0].c_offset = win->area[0].c_offset;
1688         }
1689
1690         return 0;
1691 }
1692
1693 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1694                                                      *regs, int win_id)
1695 {
1696         int i;
1697         struct rk_fb_reg_win_data *win_data = NULL;
1698         for (i = 0; i < regs->win_num; i++) {
1699                 if (regs->reg_win_data[i].win_id == win_id) {
1700                         win_data = &(regs->reg_win_data[i]);
1701                         break;
1702                 }
1703         }
1704
1705         return win_data;
1706 }
1707
1708 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1709                              struct rk_fb_reg_data *regs)
1710 {
1711         int i, j;
1712         struct rk_lcdc_win *win;
1713         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1714         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1715         struct rk_lcdc_driver *ext_dev_drv;
1716         struct rk_lcdc_win *ext_win;
1717         struct rk_fb_reg_win_data *win_data;
1718         bool wait_for_vsync;
1719         int count = 100;
1720         unsigned int dsp_addr[4];
1721         long timeout;
1722
1723         /* acq_fence wait */
1724         for (i = 0; i < regs->win_num; i++) {
1725                 win_data = &regs->reg_win_data[i];
1726                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1727                         if (win_data->reg_area_data[j].acq_fence) {
1728                                 /* printk("acq_fence wait!!!!!\n"); */
1729                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1730                         }
1731                 }
1732         }
1733
1734         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1735                 win = dev_drv->win[i];
1736                 win_data = rk_fb_get_win_data(regs, i);
1737                 if (win_data) {
1738                         rk_fb_update_driver(dev_drv, win, win_data);
1739                         win->state = 1;
1740                         dev_drv->ops->set_par(dev_drv, i);
1741                         dev_drv->ops->pan_display(dev_drv, i);
1742 #if defined(CONFIG_ROCKCHIP_IOMMU)
1743                         if (dev_drv->iommu_enabled) {
1744                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1745                                         win_data->reg_area_data[0].y_offset;
1746                         }
1747 #endif
1748                 } else {
1749                         win->z_order = -1;
1750                         win->state = 0;
1751                 }
1752         }
1753         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1754
1755         if ((rk_fb->disp_mode == DUAL)
1756             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1757             && hdmi_switch_complete) {
1758                 ext_dev_drv = rk_get_extend_lcdc_drv();
1759                 if (!ext_dev_drv) {
1760                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1761                         goto ext_win_exit;
1762                 }
1763
1764                 /* win0 and win1 have only one area and support scale
1765                  * but win2 and win3 don't support scale
1766                  * so hdmi only use win0 or win1
1767                  */
1768                 for (i = 0; i < 2; i++) {
1769                         win = dev_drv->win[i];
1770                         ext_win = ext_dev_drv->win[i];
1771                         ext_win->state = win->state;
1772                         if (!ext_win->state)
1773                                 continue;
1774
1775                         rk_fb_update_hdmi_win(ext_win, win);
1776
1777                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1778                                 rk_fb_win_rotate(ext_win, win,
1779                                                  ext_dev_drv->rotate_mode);
1780
1781                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1782                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1783                 }
1784
1785                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1786         }
1787 ext_win_exit:
1788         dev_drv->ops->cfg_done(dev_drv);
1789
1790         do {
1791                 timestamp = dev_drv->vsync_info.timestamp;
1792                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1793                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1794                                 msecs_to_jiffies(25));
1795                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1796                 wait_for_vsync = false;
1797                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1798                         if (dev_drv->win[i]->state == 1) {
1799                                 u32 new_start =
1800                                     dev_drv->win[i]->area[0].smem_start +
1801                                     dev_drv->win[i]->area[0].y_offset;
1802                                 u32 reg_start = dsp_addr[i];
1803
1804                                 if (unlikely(new_start != reg_start)) {
1805                                         wait_for_vsync = true;
1806                                         dev_info(dev_drv->dev,
1807                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1808                                                i, new_start, reg_start, 101 - count);
1809                                         break;
1810                                 }
1811                         }
1812                 }
1813         } while (wait_for_vsync && count--);
1814 #ifdef H_USE_FENCE
1815         sw_sync_timeline_inc(dev_drv->timeline, 1);
1816 #endif
1817         if (!g_first_buf) {
1818 #if defined(CONFIG_ROCKCHIP_IOMMU)
1819                 if (dev_drv->iommu_enabled) {
1820                         freed_index = 0;
1821                         g_last_timeout = timeout;
1822                 }
1823 #endif
1824                 for (i = 0; i < g_last_win_num; i++)
1825                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1826
1827 #if defined(CONFIG_ROCKCHIP_IOMMU)
1828                 if (dev_drv->iommu_enabled)
1829                         freed_addr[freed_index] = 0xfefefefe;
1830 #endif
1831         }
1832         for (i = 0; i < regs->win_num; i++) {
1833                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1834                        sizeof(struct rk_fb_reg_win_data));
1835         }
1836         g_last_win_num = regs->win_num;
1837         g_first_buf = 0;
1838 }
1839
1840 static void rk_fb_update_regs_handler(struct kthread_work *work)
1841 {
1842         struct rk_lcdc_driver *dev_drv =
1843             container_of(work, struct rk_lcdc_driver, update_regs_work);
1844         struct rk_fb_reg_data *data, *next;
1845         /* struct list_head saved_list; */
1846
1847         mutex_lock(&dev_drv->update_regs_list_lock);
1848         saved_list = dev_drv->update_regs_list;
1849         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1850         mutex_unlock(&dev_drv->update_regs_list_lock);
1851
1852         list_for_each_entry_safe(data, next, &saved_list, list) {
1853                 rk_fb_update_reg(dev_drv, data);
1854                 list_del(&data->list);
1855                 kfree(data);
1856         }
1857
1858         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1859                 wake_up(&dev_drv->update_regs_wait);
1860 }
1861
1862 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1863                                   struct rk_screen *screen)
1864 {
1865         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1866             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1867             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1868                 pr_err("check config var fail 0:\n"
1869                        "x_offset=%d,xact=%d,xvir=%d\n",
1870                        area_par->x_offset, area_par->xact, area_par->xvir);
1871                 return -EINVAL;
1872         }
1873
1874         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1875             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1876             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1877                 pr_err("check config var fail 1:\n"
1878                        "xpos=%d,xsize=%d,xres=%d\n"
1879                        "ypos=%d,ysize=%d,yres=%d\n",
1880                        area_par->xpos, area_par->xsize, screen->mode.xres,
1881                        area_par->ypos, area_par->ysize, screen->mode.yres);
1882                 return -EINVAL;
1883         }
1884         return 0;
1885 }
1886
1887 static int rk_fb_set_win_buffer(struct fb_info *info,
1888                                 struct rk_fb_win_par *win_par,
1889                                 struct rk_fb_reg_win_data *reg_win_data)
1890 {
1891         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1892         struct fb_fix_screeninfo *fix = &info->fix;
1893         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1894         struct rk_screen *screen = dev_drv->cur_screen;
1895         struct rk_screen primary_screen;
1896         struct fb_info *fbi = rk_fb->fb[0];
1897         int i, ion_fd, acq_fence_fd;
1898         u32 xvir, yvir;
1899         u32 xoffset, yoffset;
1900
1901         struct ion_handle *hdl;
1902         size_t len;
1903         int index_buf;
1904         u8 fb_data_fmt;
1905         u8 pixel_width;
1906         u32 vir_width_bit;
1907         u32 stride, uv_stride;
1908         u32 stride_32bit_1;
1909         u32 stride_32bit_2;
1910         u16 uv_x_off, uv_y_off, uv_y_act;
1911         u8 is_pic_yuv = 0;
1912         u8 ppixel_a = 0, global_a = 0;
1913         ion_phys_addr_t phy_addr;
1914         int ret = 0;
1915
1916         reg_win_data->reg_area_data[0].smem_start = -1;
1917         reg_win_data->area_num = 0;
1918         fbi = rk_fb->fb[reg_win_data->win_id];
1919         if (win_par->area_par[0].phy_addr == 0) {
1920                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1921                         ion_fd = win_par->area_par[i].ion_fd;
1922                         if (ion_fd > 0) {
1923                                 hdl =
1924                                     ion_import_dma_buf(rk_fb->ion_client,
1925                                                        ion_fd);
1926                                 if (IS_ERR(hdl)) {
1927                                         pr_info
1928                                             ("%s: Could not import handle: %d\n",
1929                                              __func__, (int)hdl);
1930                                         /*return -EINVAL; */
1931                                         break;
1932                                 }
1933                                 fbi->screen_base =
1934                                     ion_map_kernel(rk_fb->ion_client, hdl);
1935                                 reg_win_data->area_num++;
1936                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1937 #ifndef CONFIG_ROCKCHIP_IOMMU
1938                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1939                                                 &len);
1940 #else
1941                                 if (dev_drv->iommu_enabled)
1942                                         ret = ion_map_iommu(dev_drv->dev,
1943                                                                 rk_fb->ion_client,
1944                                                                 hdl,
1945                                                                 (unsigned long *)&phy_addr,
1946                                                                 (unsigned long *)&len);
1947                                 else
1948                                         ret = ion_phys(rk_fb->ion_client, hdl,
1949                                                         &phy_addr, &len);
1950 #endif
1951                                 if (ret < 0) {
1952                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1953                                         ion_free(rk_fb->ion_client, hdl);
1954                                         return -ENOMEM;
1955                                 }
1956                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1957                                 reg_win_data->area_buf_num++;
1958                                 reg_win_data->reg_area_data[i].index_buf = 1;
1959                         }
1960                 }
1961         } else {
1962                 reg_win_data->reg_area_data[0].smem_start =
1963                     win_par->area_par[0].phy_addr;
1964                 reg_win_data->area_num = 1;
1965                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1966         }
1967
1968         if (reg_win_data->area_num == 0)
1969                 return 0;
1970
1971         for (i = 0; i < reg_win_data->area_num; i++) {
1972                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1973                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1974                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1975                         reg_win_data->reg_area_data[i].acq_fence =
1976                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1977                 }
1978         }
1979         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
1980         reg_win_data->data_format = fb_data_fmt;
1981         pixel_width = rk_fb_pixel_width(fb_data_fmt);
1982
1983         ppixel_a = ((fb_data_fmt == ARGB888) ||
1984                     (fb_data_fmt == ABGR888)) ? 1 : 0;
1985         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1986         reg_win_data->alpha_en = ppixel_a | global_a;
1987         reg_win_data->g_alpha_val = win_par->g_alpha_val;
1988         reg_win_data->alpha_mode = win_par->alpha_mode;
1989         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1990                 reg_win_data->z_order = win_par->z_order;
1991                 reg_win_data->win_id = win_par->win_id;
1992         } else {
1993                 reg_win_data->z_order = -1;
1994                 reg_win_data->win_id = -1;
1995         }
1996
1997         rk_fb_get_prmry_screen(&primary_screen);
1998         for (i = 0; i < reg_win_data->area_num; i++) {
1999                 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2000                 /* visiable pos in panel */
2001                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2002                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2003
2004                 /* realy size in panel */
2005                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2006                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2007
2008                 /* realy size in panel */
2009                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2010                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2011
2012                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2013                 yoffset = win_par->area_par[i].y_offset;
2014                 xvir = win_par->area_par[i].xvir;
2015                 reg_win_data->reg_area_data[i].xvir = xvir;
2016                 yvir = win_par->area_par[i].yvir;
2017                 reg_win_data->reg_area_data[i].yvir = yvir;
2018
2019                 vir_width_bit = pixel_width * xvir;
2020                 /* pixel_width = byte_num*8 */
2021                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2022                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2023
2024                 stride = stride_32bit_1;        /* default rgb */
2025                 fix->line_length = stride;
2026                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2027
2028                 /* x y mirror ,jump line
2029                  * reg_win_data->reg_area_data[i].y_offset =
2030                  *              yoffset*stride+xoffset*pixel_width/8;
2031                  */
2032                 if (screen->y_mirror == 1) {
2033                         if (screen->interlace == 1) {
2034                                 reg_win_data->reg_area_data[i].y_offset =
2035                                     yoffset * stride * 2 +
2036                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2037                                     xoffset * pixel_width / 8;
2038                         } else {
2039                                 reg_win_data->reg_area_data[i].y_offset =
2040                                     yoffset * stride +
2041                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2042                                     xoffset * pixel_width / 8;
2043                         }
2044                 } else {
2045                         if (screen->interlace == 1) {
2046                                 reg_win_data->reg_area_data[i].y_offset =
2047                                     yoffset * stride * 2 +
2048                                     xoffset * pixel_width / 8;
2049                         } else {
2050                                 reg_win_data->reg_area_data[i].y_offset =
2051                                     yoffset * stride +
2052                                     xoffset * pixel_width / 8;
2053                         }
2054                 }
2055         }
2056         switch (fb_data_fmt) {
2057         case YUV422:
2058         case YUV422_A:
2059                 is_pic_yuv = 1;
2060                 stride = stride_32bit_1;
2061                 uv_stride = stride_32bit_1 >> 1;
2062                 uv_x_off = xoffset >> 1;
2063                 uv_y_off = yoffset;
2064                 fix->line_length = stride;
2065                 uv_y_act = win_par->area_par[0].yact >> 1;
2066                 break;
2067         case YUV420:            /* 420sp */
2068         case YUV420_A:
2069                 is_pic_yuv = 1;
2070                 stride = stride_32bit_1;
2071                 uv_stride = stride_32bit_1;
2072                 uv_x_off = xoffset;
2073                 uv_y_off = yoffset >> 1;
2074                 fix->line_length = stride;
2075                 uv_y_act = win_par->area_par[0].yact >> 1;
2076                 break;
2077         case YUV444:
2078         case YUV444_A:
2079                 is_pic_yuv = 1;
2080                 stride = stride_32bit_1;
2081                 uv_stride = stride_32bit_2;
2082                 uv_x_off = xoffset * 2;
2083                 uv_y_off = yoffset;
2084                 fix->line_length = stride << 2;
2085                 uv_y_act = win_par->area_par[0].yact;
2086                 break;
2087         default:
2088                 break;
2089         }
2090         if (is_pic_yuv == 1) {
2091                 reg_win_data->reg_area_data[0].cbr_start =
2092                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2093                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2094                 if (screen->y_mirror == 1) {
2095                         if (screen->interlace == 1) {
2096                                 reg_win_data->reg_area_data[0].c_offset =
2097                                     uv_y_off * uv_stride * 2 +
2098                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2099                                     uv_x_off * pixel_width / 8;
2100                         } else {
2101                                 reg_win_data->reg_area_data[0].c_offset =
2102                                     uv_y_off * uv_stride +
2103                                     (uv_y_act - 1) * uv_stride +
2104                                     uv_x_off * pixel_width / 8;
2105                         }
2106                 } else {
2107                         if (screen->interlace == 1) {
2108                                 reg_win_data->reg_area_data[0].c_offset =
2109                                     uv_y_off * uv_stride * 2 +
2110                                     uv_x_off * pixel_width / 8;
2111                         } else {
2112                                 reg_win_data->reg_area_data[0].c_offset =
2113                                     uv_y_off * uv_stride +
2114                                     uv_x_off * pixel_width / 8;
2115                         }
2116                 }
2117         }
2118         return 0;
2119 }
2120
2121 static int rk_fb_set_win_config(struct fb_info *info,
2122                                 struct rk_fb_win_cfg_data *win_data)
2123 {
2124         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2125         struct rk_fb_reg_data *regs;
2126 #ifdef H_USE_FENCE
2127         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2128         struct sync_fence *retire_fence;
2129         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2130         struct sync_pt *retire_sync_pt;
2131         char fence_name[20];
2132 #endif
2133         int ret = 0, i, j = 0;
2134         int list_is_empty = 0;
2135
2136         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2137         if (!regs) {
2138                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2139                 ret = -ENOMEM;
2140                 return ret;
2141         }
2142
2143 /*
2144         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2145         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2146         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2147         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2148 */
2149
2150         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2151                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2152                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2153                                                         &regs->reg_win_data[j]))
2154                                 return -ENOMEM;
2155                         if (regs->reg_win_data[j].area_num > 0) {
2156                                 regs->win_num++;
2157                                 regs->buf_num +=
2158                                     regs->reg_win_data[j].area_buf_num;
2159                         }
2160                         j++;
2161                 } else {
2162                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2163                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2164                                win_data->win_par[i].win_id);
2165                 }
2166         }
2167
2168         mutex_lock(&dev_drv->output_lock);
2169         if (!(dev_drv->suspend_flag == 0)) {
2170                 rk_fb_update_reg(dev_drv, regs);
2171                 kfree(regs);
2172                 printk(KERN_INFO "suspend_flag = 1\n");
2173                 goto err;
2174         }
2175
2176         dev_drv->timeline_max++;
2177 #ifdef H_USE_FENCE
2178         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2179                 if (i < regs->buf_num) {
2180                         sprintf(fence_name, "fence%d", i);
2181                         win_data->rel_fence_fd[i] = get_unused_fd();
2182                         if (win_data->rel_fence_fd[i] < 0) {
2183                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2184                                        win_data->rel_fence_fd[i]);
2185                                 ret = -EFAULT;
2186                                 goto err;
2187                         }
2188                         release_sync_pt[i] =
2189                             sw_sync_pt_create(dev_drv->timeline,
2190                                               dev_drv->timeline_max);
2191                         release_fence[i] =
2192                             sync_fence_create(fence_name, release_sync_pt[i]);
2193                         sync_fence_install(release_fence[i],
2194                                            win_data->rel_fence_fd[i]);
2195                 } else {
2196                         win_data->rel_fence_fd[i] = -1;
2197                 }
2198         }
2199
2200         win_data->ret_fence_fd = get_unused_fd();
2201         if (win_data->ret_fence_fd < 0) {
2202                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2203                 ret = -EFAULT;
2204                 goto err;
2205         }
2206         retire_sync_pt =
2207             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2208         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2209         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2210 #else
2211         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2212                 win_data->rel_fence_fd[i] = -1;
2213
2214         win_data->ret_fence_fd = -1;
2215 #endif
2216         if (dev_drv->wait_fs == 0) {
2217                 mutex_lock(&dev_drv->update_regs_list_lock);
2218                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2219                 mutex_unlock(&dev_drv->update_regs_list_lock);
2220                 queue_kthread_work(&dev_drv->update_regs_worker,
2221                                    &dev_drv->update_regs_work);
2222         } else {
2223                 mutex_lock(&dev_drv->update_regs_list_lock);
2224                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2225                                         list_empty(&saved_list);
2226                 mutex_unlock(&dev_drv->update_regs_list_lock);
2227                 if (!list_is_empty) {
2228                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2229                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2230                                 msecs_to_jiffies(60));
2231                         if (ret > 0)
2232                                 rk_fb_update_reg(dev_drv, regs);
2233                         else
2234                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2235                 } else if (ret == 0) {
2236                         rk_fb_update_reg(dev_drv, regs);
2237                 }
2238                 kfree(regs);
2239         }
2240
2241 err:
2242         mutex_unlock(&dev_drv->output_lock);
2243         return ret;
2244 }
2245
2246 #if 1
2247 static int cfgdone_distlist[10] = { 0 };
2248
2249 static int cfgdone_index;
2250 static int cfgdone_lasttime;
2251
2252 int rk_get_real_fps(int before)
2253 {
2254         struct timespec now;
2255         int dist_curr;
2256         int dist_total = 0;
2257         int dist_count = 0;
2258         int dist_first = 0;
2259
2260         int index = cfgdone_index;
2261         int i = 0, fps = 0;
2262         int total;
2263
2264         if (before > 100)
2265                 before = 100;
2266         if (before < 0)
2267                 before = 0;
2268
2269         getnstimeofday(&now);
2270         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2271                         cfgdone_lasttime;
2272         total = dist_curr;
2273         /*
2274            printk("fps: ");
2275          */
2276         for (i = 0; i < 10; i++) {
2277                 if (--index < 0)
2278                         index = 9;
2279                 total += cfgdone_distlist[index];
2280                 if (i == 0)
2281                         dist_first = cfgdone_distlist[index];
2282                 if (total < (before * 1000)) {
2283                         /*
2284                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2285                          */
2286                         dist_total += cfgdone_distlist[index];
2287                         dist_count++;
2288                 } else {
2289                         break;
2290                 }
2291         }
2292
2293         /*
2294            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2295          */
2296         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2297         dist_total += dist_curr;
2298         dist_count++;
2299
2300         if (dist_total > 0)
2301                 fps = (1000000 * dist_count) / dist_total;
2302         else
2303                 fps = 60;
2304
2305         /*
2306            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2307          */
2308         return fps;
2309 }
2310 EXPORT_SYMBOL(rk_get_real_fps);
2311
2312 #endif
2313 #ifdef CONFIG_ROCKCHIP_IOMMU
2314 #define ION_MAX 10
2315 static struct ion_handle *ion_hanle[ION_MAX];
2316 #endif
2317 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2318                        unsigned long arg)
2319 {
2320         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2321         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2322         struct fb_fix_screeninfo *fix = &info->fix;
2323         int fb_id = 0, extend_win_id = 0;
2324         struct fb_info *extend_info = NULL;
2325         struct rk_lcdc_driver *extend_dev_drv = NULL;
2326         struct rk_lcdc_win *extend_win = NULL;
2327         struct rk_lcdc_win *win;
2328         int enable;     /* enable fb:1 enable;0 disable */
2329         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2330         int num_buf;    /* buffer_number */
2331         int ret;
2332         struct rk_fb_win_cfg_data win_data;
2333         unsigned int dsp_addr[4];
2334         int list_stat;
2335
2336         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2337
2338         void __user *argp = (void __user *)arg;
2339         win = dev_drv->win[win_id];
2340         if (rk_fb->disp_mode == DUAL) {
2341                 fb_id = get_extend_fb_id(info);
2342                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2343                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2344                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2345                                                             extend_info->fix.id);
2346                 extend_win = extend_dev_drv->win[extend_win_id];
2347         }
2348
2349         switch (cmd) {
2350         case RK_FBIOSET_YUV_ADDR:
2351                 {
2352                         u32 yuv_phy[2];
2353
2354                         if (copy_from_user(yuv_phy, argp, 8))
2355                                 return -EFAULT;
2356                         #ifdef CONFIG_ROCKCHIP_IOMMU
2357                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2358                         #endif
2359                                 fix->smem_start = yuv_phy[0];
2360                                 fix->mmio_start = yuv_phy[1];
2361                         #ifdef CONFIG_ROCKCHIP_IOMMU
2362                         } else {
2363                                 int usr_fd, offset, tmp;
2364                                 struct ion_handle *hdl;
2365                                 ion_phys_addr_t phy_addr;
2366                                 size_t len;
2367
2368                                 usr_fd = yuv_phy[0];
2369                                 offset = yuv_phy[1] - yuv_phy[0];
2370
2371                                 if (!usr_fd) {
2372                                         fix->smem_start = 0;
2373                                         fix->mmio_start = 0;
2374                                         break;
2375                                 }
2376
2377                                 if (ion_hanle[ION_MAX - 1] != 0) {
2378                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2379                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2380                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2381                                         ion_hanle[ION_MAX - 1] = 0;
2382                                 }
2383
2384                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2385                                 if (IS_ERR(hdl)) {
2386                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2387                                                 PTR_ERR(hdl));
2388                                         return -EFAULT;
2389                                 }
2390
2391                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2392                                                         (unsigned long *)&phy_addr,
2393                                                         (unsigned long *)&len);
2394                                 if (ret < 0) {
2395                                         dev_err(info->dev, "ion map to get phy addr failed");
2396                                         ion_free(rk_fb->ion_client, hdl);
2397                                         return -ENOMEM;
2398                                 }
2399                                 fix->smem_start = phy_addr;
2400                                 fix->mmio_start = phy_addr + offset;
2401                                 fix->smem_len = len;
2402                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2403
2404                                 ion_hanle[0] = hdl;
2405                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2406                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2407                                 ion_hanle[0] = 0;
2408                         }
2409                         #endif
2410                         break;
2411                 }
2412         case RK_FBIOSET_ENABLE:
2413                 if (copy_from_user(&enable, argp, sizeof(enable)))
2414                         return -EFAULT;
2415                 dev_drv->ops->open(dev_drv, win_id, enable);
2416                 break;
2417         case RK_FBIOGET_ENABLE:
2418                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2419                 if (copy_to_user(argp, &enable, sizeof(enable)))
2420                         return -EFAULT;
2421                 break;
2422         case RK_FBIOSET_OVERLAY_STA:
2423                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2424                         return -EFAULT;
2425                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2426                 break;
2427         case RK_FBIOGET_OVERLAY_STA:
2428                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2429                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2430                         return -EFAULT;
2431                 break;
2432         case RK_FBIOPUT_NUM_BUFFERS:
2433                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2434                         return -EFAULT;
2435                 dev_drv->num_buf = num_buf;
2436                 break;
2437         case RK_FBIOSET_VSYNC_ENABLE:
2438                 if (copy_from_user(&enable, argp, sizeof(enable)))
2439                         return -EFAULT;
2440                 dev_drv->vsync_info.active = enable;
2441                 break;
2442
2443         case RK_FBIOGET_DSP_ADDR:
2444                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2445                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2446                         return -EFAULT;
2447                 break;
2448         case RK_FBIOGET_LIST_STA:
2449                 list_stat = rk_fb_get_list_stat(dev_drv);
2450                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2451                         return -EFAULT;
2452
2453                 break;
2454         case RK_FBIOGET_IOMMU_STA:
2455                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2456                                  sizeof(dev_drv->iommu_enabled)))
2457                         return -EFAULT;
2458                 break;
2459 #if defined(CONFIG_ION_ROCKCHIP)
2460         case RK_FBIOSET_DMABUF_FD:
2461                 {
2462                         int usr_fd;
2463                         struct ion_handle *hdl;
2464                         ion_phys_addr_t phy_addr;
2465                         size_t len;
2466                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2467                                 return -EFAULT;
2468                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2469                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2470                         fix->smem_start = phy_addr;
2471                         break;
2472                 }
2473         case RK_FBIOGET_DMABUF_FD:
2474                 {
2475                         int fd =
2476                             ion_share_dma_buf_fd(rk_fb->ion_client,
2477                                                  win->area[0].ion_hdl);
2478                         if (fd < 0) {
2479                                 dev_err(info->dev,
2480                                         "ion_share_dma_buf_fd failed\n");
2481                                 return fd;
2482                         }
2483                         if (copy_to_user(argp, &fd, sizeof(fd)))
2484                                 return -EFAULT;
2485                         break;
2486                 }
2487 #endif
2488         case RK_FBIOSET_CLEAR_FB:
2489                 memset(info->screen_base, 0, get_fb_size());
2490                 break;
2491         case RK_FBIOSET_CONFIG_DONE:
2492                 {
2493                         int curr = 0;
2494                         struct timespec now;
2495
2496                         getnstimeofday(&now);
2497                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2498                         cfgdone_distlist[cfgdone_index++] =
2499                             curr - cfgdone_lasttime;
2500                         /*
2501                            printk("%d ", curr - cfgdone_lasttime);
2502                          */
2503                         cfgdone_lasttime = curr;
2504                         if (cfgdone_index >= 10)
2505                                 cfgdone_index = 0;
2506                 }
2507                 if (copy_from_user(&win_data,
2508                                    (struct rk_fb_win_cfg_data __user *)argp,
2509                                    sizeof(win_data))) {
2510                         ret = -EFAULT;
2511                         break;
2512                 };
2513
2514                 dev_drv->wait_fs = win_data.wait_fs;
2515                 rk_fb_set_win_config(info, &win_data);
2516
2517                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2518                                  &win_data, sizeof(win_data))) {
2519                         ret = -EFAULT;
2520                         break;
2521                 }
2522                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2523                 break;
2524         default:
2525                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2526                 break;
2527         }
2528
2529         return 0;
2530 }
2531
2532 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2533 {
2534         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2535         struct fb_fix_screeninfo *fix = &info->fix;
2536         int win_id;
2537 #if defined(CONFIG_RK_HDMI)
2538         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2539 #endif
2540
2541         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2542         if (win_id < 0)
2543                 return -ENODEV;
2544 #if defined(CONFIG_RK_HDMI)
2545         if ((rk_fb->disp_mode == ONE_DUAL) &&
2546             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2547                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2548         } else
2549 #endif
2550         {
2551                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2552         }
2553         return 0;
2554 }
2555
2556 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2557 {
2558         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2559             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2560             ((16 != var->bits_per_pixel) &&
2561             (32 != var->bits_per_pixel) &&
2562             (24 != var->bits_per_pixel))) {
2563                 dev_err(info->dev, "%s check var fail 1:\n"
2564                         "xres_vir:%d>>yres_vir:%d\n"
2565                         "xres:%d>>yres:%d\n"
2566                         "bits_per_pixel:%d\n",
2567                         info->fix.id,
2568                         var->xres_virtual,
2569                         var->yres_virtual,
2570                         var->xres, var->yres, var->bits_per_pixel);
2571                 return -EINVAL;
2572         }
2573
2574         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2575             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2576                 dev_err(info->dev, "%s check_var fail 2:\n"
2577                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2578                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2579                         info->fix.id,
2580                         var->xoffset,
2581                         var->xres,
2582                         var->xres_virtual,
2583                         var->yoffset, var->yres, var->yres_virtual);
2584                 return -EINVAL;
2585         }
2586
2587         return 0;
2588 }
2589
2590 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2591                           size_t count, loff_t *ppos)
2592 {
2593         unsigned long p = *ppos;
2594         u8 *buffer, *dst;
2595         u8 __iomem *src;
2596         int c, cnt = 0, err = 0;
2597         unsigned long total_size;
2598         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2599         struct rk_lcdc_win *win = NULL;
2600         int win_id = 0;
2601
2602         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2603         if (win_id < 0)
2604                 return -ENODEV;
2605         else
2606                 win = dev_drv->win[win_id];
2607
2608         /* only read the current frame buffer */
2609         if (win->format == RGB565) {
2610                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2611         } else if (win->format == YUV420) {
2612                 total_size =
2613                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2614         } else {
2615                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2616         }
2617         if (p >= total_size)
2618                 return 0;
2619
2620         if (count >= total_size)
2621                 count = total_size;
2622
2623         if (count + p > total_size)
2624                 count = total_size - p;
2625
2626         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2627         if (!buffer)
2628                 return -ENOMEM;
2629
2630         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2631
2632         while (count) {
2633                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2634                 dst = buffer;
2635                 fb_memcpy_fromfb(dst, src, c);
2636                 dst += c;
2637                 src += c;
2638
2639                 if (copy_to_user(buf, buffer, c)) {
2640                         err = -EFAULT;
2641                         break;
2642                 }
2643                 *ppos += c;
2644                 buf += c;
2645                 cnt += c;
2646                 count -= c;
2647         }
2648
2649         kfree(buffer);
2650
2651         return (err) ? err : cnt;
2652 }
2653
2654 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2655                            size_t count, loff_t *ppos)
2656 {
2657         unsigned long p = *ppos;
2658         u8 *buffer, *src;
2659         u8 __iomem *dst;
2660         int c, cnt = 0, err = 0;
2661         unsigned long total_size;
2662         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2663         struct rk_lcdc_win *win = NULL;
2664         int win_id = 0;
2665
2666         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2667         if (win_id < 0)
2668                 return -ENODEV;
2669         else
2670                 win = dev_drv->win[win_id];
2671
2672         /* write the current frame buffer */
2673         if (win->format == RGB565)
2674                 total_size = win->area[0].xact * win->area[0].yact << 1;
2675         else
2676                 total_size = win->area[0].xact * win->area[0].yact << 2;
2677
2678         if (p > total_size)
2679                 return -EFBIG;
2680
2681         if (count > total_size) {
2682                 err = -EFBIG;
2683                 count = total_size;
2684         }
2685
2686         if (count + p > total_size) {
2687                 if (!err)
2688                         err = -ENOSPC;
2689
2690                 count = total_size - p;
2691         }
2692
2693         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2694         if (!buffer)
2695                 return -ENOMEM;
2696
2697         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2698
2699         while (count) {
2700                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2701                 src = buffer;
2702
2703                 if (copy_from_user(src, buf, c)) {
2704                         err = -EFAULT;
2705                         break;
2706                 }
2707
2708                 fb_memcpy_tofb(dst, src, c);
2709                 dst += c;
2710                 src += c;
2711                 *ppos += c;
2712                 buf += c;
2713                 cnt += c;
2714                 count -= c;
2715         }
2716
2717         kfree(buffer);
2718
2719         return (cnt) ? cnt : err;
2720 }
2721
2722 static int rk_fb_set_par(struct fb_info *info)
2723 {
2724         struct fb_var_screeninfo *var = &info->var;
2725         struct fb_fix_screeninfo *fix = &info->fix;
2726         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2727         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2728         int fb_id, extend_win_id = 0;
2729         struct fb_info *extend_info = NULL;
2730         struct rk_lcdc_driver *extend_dev_drv = NULL;
2731         struct rk_lcdc_win *extend_win = NULL;
2732         struct rk_lcdc_win *win = NULL;
2733         struct rk_screen *screen = dev_drv->cur_screen;
2734         int win_id = 0;
2735         u32 cblen = 0, crlen = 0;
2736         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2737         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2738         u32 yoffset = var->yoffset;
2739         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2740         u16 ypos = (var->nonstd >> 20) & 0xfff;
2741         u32 xvir = var->xres_virtual;
2742         u32 yvir = var->yres_virtual;
2743         u8 data_format = var->nonstd & 0xff;
2744         u8 fb_data_fmt;
2745         u8 pixel_width;
2746         u32 vir_width_bit;
2747         u32 stride, uv_stride;
2748         u32 stride_32bit_1;
2749         u32 stride_32bit_2;
2750         u16 uv_x_off, uv_y_off, uv_y_act;
2751         u8 is_pic_yuv = 0;
2752
2753         var->pixclock = dev_drv->pixclock;
2754         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2755         if (win_id < 0)
2756                 return -ENODEV;
2757         else
2758                 win = dev_drv->win[win_id];
2759         if (rk_fb->disp_mode == DUAL) {
2760                 fb_id = get_extend_fb_id(info);
2761                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2762                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2763                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2764                                                             extend_info->fix.
2765                                                             id);
2766                 extend_win = extend_dev_drv->win[extend_win_id];
2767         }
2768         /* if the application has specific the horizontal and vertical display size */
2769         if (var->grayscale >> 8) {
2770                 xsize = (var->grayscale >> 8) & 0xfff;
2771                 ysize = (var->grayscale >> 20) & 0xfff;
2772                 if (xsize > screen->mode.xres)
2773                         xsize = screen->mode.xres;
2774                 if (ysize > screen->mode.yres)
2775                         ysize = screen->mode.yres;
2776         } else {                /*ohterwise  full  screen display */
2777                 xsize = screen->mode.xres;
2778                 ysize = screen->mode.yres;
2779         }
2780
2781         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2782         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2783         vir_width_bit = pixel_width * xvir;
2784         /* pixel_width = byte_num * 8 */
2785         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2786         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2787
2788         switch (fb_data_fmt) {
2789         case YUV422:
2790         case YUV422_A:
2791                 is_pic_yuv = 1;
2792                 stride = stride_32bit_1;
2793                 uv_stride = stride_32bit_1 >> 1;
2794                 uv_x_off = xoffset >> 1;
2795                 uv_y_off = yoffset;
2796                 fix->line_length = stride;
2797                 cblen = crlen = (xvir * yvir) >> 1;
2798                 uv_y_act = win->area[0].yact >> 1;
2799                 break;
2800         case YUV420:            /* 420sp */
2801         case YUV420_A:
2802                 is_pic_yuv = 1;
2803                 stride = stride_32bit_1;
2804                 uv_stride = stride_32bit_1;
2805                 uv_x_off = xoffset;
2806                 uv_y_off = yoffset >> 1;
2807                 fix->line_length = stride;
2808                 cblen = crlen = (xvir * yvir) >> 2;
2809                 uv_y_act = win->area[0].yact >> 1;
2810                 break;
2811         case YUV444:
2812         case YUV444_A:
2813                 is_pic_yuv = 1;
2814                 stride = stride_32bit_1;
2815                 uv_stride = stride_32bit_2;
2816                 uv_x_off = xoffset * 2;
2817                 uv_y_off = yoffset;
2818                 fix->line_length = stride << 2;
2819                 cblen = crlen = (xvir * yvir);
2820                 uv_y_act = win->area[0].yact;
2821                 break;
2822         default:
2823                 stride = stride_32bit_1;        /* default rgb */
2824                 fix->line_length = stride;
2825                 break;
2826         }
2827
2828         /* x y mirror ,jump line */
2829         if (screen->y_mirror == 1) {
2830                 if (screen->interlace == 1) {
2831                         win->area[0].y_offset = yoffset * stride * 2 +
2832                             ((win->area[0].yact - 1) * 2 + 1) * stride +
2833                             xoffset * pixel_width / 8;
2834                 } else {
2835                         win->area[0].y_offset = yoffset * stride +
2836                             (win->area[0].yact - 1) * stride +
2837                             xoffset * pixel_width / 8;
2838                 }
2839         } else {
2840                 if (screen->interlace == 1) {
2841                         win->area[0].y_offset =
2842                             yoffset * stride * 2 + xoffset * pixel_width / 8;
2843                 } else {
2844                         win->area[0].y_offset =
2845                             yoffset * stride + xoffset * pixel_width / 8;
2846                 }
2847         }
2848         if (is_pic_yuv == 1) {
2849                 if (screen->y_mirror == 1) {
2850                         if (screen->interlace == 1) {
2851                                 win->area[0].c_offset =
2852                                     uv_y_off * uv_stride * 2 +
2853                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2854                                     uv_x_off * pixel_width / 8;
2855                         } else {
2856                                 win->area[0].c_offset = uv_y_off * uv_stride +
2857                                     (uv_y_act - 1) * uv_stride +
2858                                     uv_x_off * pixel_width / 8;
2859                         }
2860                 } else {
2861                         if (screen->interlace == 1) {
2862                                 win->area[0].c_offset =
2863                                     uv_y_off * uv_stride * 2 +
2864                                     uv_x_off * pixel_width / 8;
2865                         } else {
2866                                 win->area[0].c_offset =
2867                                     uv_y_off * uv_stride +
2868                                     uv_x_off * pixel_width / 8;
2869                         }
2870                 }
2871         }
2872
2873         win->format = fb_data_fmt;
2874         win->area[0].y_vir_stride = stride >> 2;
2875         win->area[0].uv_vir_stride = uv_stride >> 2;
2876         win->area[0].xpos = xpos;
2877         win->area[0].ypos = ypos;
2878         win->area[0].xsize = xsize;
2879         win->area[0].ysize = ysize;
2880         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2881         win->area[0].yact = var->yres;
2882         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2883         win->area[0].yvir = var->yres_virtual;
2884
2885         win->area_num = 1;
2886         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2887         win->alpha_en = ((win->format == ARGB888) ||
2888                          (win->format == ABGR888)) ? 1 : 0;
2889         win->g_alpha_val = 0;
2890
2891         if (rk_fb->disp_mode == DUAL) {
2892                 if (extend_win->state && (hdmi_switch_complete)) {
2893                         if (info != extend_info) {
2894                                 if (win->area[0].xact < win->area[0].yact) {
2895                                         extend_win->area[0].xact =
2896                                             win->area[0].yact;
2897                                         extend_win->area[0].yact =
2898                                             win->area[0].xact;
2899                                         extend_win->area[0].xvir =
2900                                             win->area[0].yact;
2901                                         extend_info->var.xres = var->yres;
2902                                         extend_info->var.yres = var->xres;
2903                                         extend_info->var.xres_virtual =
2904                                             var->yres;
2905                                 } else {
2906                                         extend_win->area[0].xact =
2907                                             win->area[0].xact;
2908                                         extend_win->area[0].yact =
2909                                             win->area[0].yact;
2910                                         extend_win->area[0].xvir =
2911                                             win->area[0].xvir;
2912                                         extend_info->var.xres = var->xres;
2913                                         extend_info->var.yres = var->yres;
2914                                         extend_info->var.xres_virtual =
2915                                             var->xres_virtual;
2916                                 }
2917                                 extend_win->area[0].y_vir_stride =
2918                                     win->area[0].y_vir_stride;
2919                                 extend_win->area[0].uv_vir_stride =
2920                                     win->area[0].uv_vir_stride;
2921                                 if (win->area[0].xpos != 0 ||
2922                                     win->area[0].ypos != 0) {
2923                                         extend_win->area[0].xsize =
2924                                             (extend_dev_drv->cur_screen->xsize * win->area[0].xsize) / screen->mode.xres;
2925                                         extend_win->area[0].ysize =
2926                                             (extend_dev_drv->cur_screen->ysize * win->area[0].ysize) / screen->mode.yres;
2927                                         extend_win->area[0].xpos =
2928                                             ((extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1) +
2929                                             extend_dev_drv->cur_screen->xsize * win->area[0].xpos / screen->mode.xres;
2930                                         extend_win->area[0].ypos =
2931                                             ((extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1) +
2932                                             extend_dev_drv->cur_screen->ysize * win->area[0].ypos / screen->mode.yres;
2933                                 } else {        /* the display image of the primary screen is full screen size */
2934                                         extend_win->area[0].xpos =
2935                                             (extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1;
2936                                         extend_win->area[0].ypos =
2937                                             (extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1;
2938                                         extend_win->area[0].xsize =
2939                                             extend_dev_drv->cur_screen->xsize;
2940                                         extend_win->area[0].ysize =
2941                                             extend_dev_drv->cur_screen->ysize;
2942                                 }
2943
2944                                 extend_win->area[0].state = 1;
2945                                 extend_win->area_num = 1;
2946                                 extend_win->alpha_en = 0;
2947                                 extend_win->format = win->format;
2948                                 extend_info->var.nonstd &= 0xffffff00;
2949                                 extend_info->var.nonstd |= data_format;
2950                                 extend_dev_drv->ops->set_par(extend_dev_drv,
2951                                                              extend_win_id);
2952                         }
2953                 }
2954         }
2955         dev_drv->ops->set_par(dev_drv, win_id);
2956
2957         return 0;
2958 }
2959
2960 static inline unsigned int chan_to_field(unsigned int chan,
2961                                          struct fb_bitfield *bf)
2962 {
2963         chan &= 0xffff;
2964         chan >>= 16 - bf->length;
2965         return chan << bf->offset;
2966 }
2967
2968 static int fb_setcolreg(unsigned regno,
2969                         unsigned red, unsigned green, unsigned blue,
2970                         unsigned transp, struct fb_info *info)
2971 {
2972         unsigned int val;
2973
2974         switch (info->fix.visual) {
2975         case FB_VISUAL_TRUECOLOR:
2976                 /* true-colour, use pseudo-palette */
2977                 if (regno < 16) {
2978                         u32 *pal = info->pseudo_palette;
2979                         val = chan_to_field(red, &info->var.red);
2980                         val |= chan_to_field(green, &info->var.green);
2981                         val |= chan_to_field(blue, &info->var.blue);
2982                         pal[regno] = val;
2983                 }
2984                 break;
2985         default:
2986                 return -1;      /* unknown type */
2987         }
2988
2989         return 0;
2990 }
2991
2992 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2993 {
2994         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2995         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2996         struct rk_lcdc_win *win;
2997         win = dev_drv->win[win_id];
2998
2999         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3000
3001         return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
3002 }
3003
3004 static struct fb_ops fb_ops = {
3005         .owner = THIS_MODULE,
3006         .fb_open = rk_fb_open,
3007         .fb_release = rk_fb_close,
3008         .fb_check_var = rk_fb_check_var,
3009         .fb_set_par = rk_fb_set_par,
3010         .fb_blank = rk_fb_blank,
3011         .fb_ioctl = rk_fb_ioctl,
3012         .fb_pan_display = rk_fb_pan_display,
3013         .fb_read = rk_fb_read,
3014         .fb_write = rk_fb_write,
3015         .fb_setcolreg = fb_setcolreg,
3016         .fb_fillrect = cfb_fillrect,
3017         .fb_copyarea = cfb_copyarea,
3018         .fb_imageblit = cfb_imageblit,
3019 };
3020
3021 static struct fb_var_screeninfo def_var = {
3022 #if defined(CONFIG_LOGO_LINUX_BMP)
3023         .red = {16, 8, 0},
3024         .green = {8, 8, 0},
3025         .blue = {0, 8, 0},
3026         .transp = {0, 0, 0},
3027         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3028 #else
3029         .red = {11, 5, 0},
3030         .green = {5, 6, 0},
3031         .blue = {0, 5, 0},
3032         .transp = {0, 0, 0},
3033         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3034 #endif
3035         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3036         .activate = FB_ACTIVATE_NOW,
3037         .accel_flags = 0,
3038         .vmode = FB_VMODE_NONINTERLACED,
3039 };
3040
3041 static struct fb_fix_screeninfo def_fix = {
3042         .type = FB_TYPE_PACKED_PIXELS,
3043         .type_aux = 0,
3044         .xpanstep = 1,
3045         .ypanstep = 1,
3046         .ywrapstep = 0,
3047         .accel = FB_ACCEL_NONE,
3048         .visual = FB_VISUAL_TRUECOLOR,
3049
3050 };
3051
3052 static int rk_fb_wait_for_vsync_thread(void *data)
3053 {
3054         struct rk_lcdc_driver *dev_drv = data;
3055         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3056         struct fb_info *fbi = rk_fb->fb[0];
3057
3058         while (!kthread_should_stop()) {
3059                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3060                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3061                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3062                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3063
3064                 if (!ret)
3065                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3066         }
3067
3068         return 0;
3069 }
3070
3071 static ssize_t rk_fb_vsync_show(struct device *dev,
3072                                 struct device_attribute *attr, char *buf)
3073 {
3074         struct fb_info *fbi = dev_get_drvdata(dev);
3075         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3076         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3077                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3078 }
3079
3080 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3081
3082 /*
3083  * this two function is for other module that in the kernel which
3084  * need show image directly through fb
3085  * fb_id:we have 4 fb here,default we use fb0 for ui display
3086  */
3087 struct fb_info *rk_get_fb(int fb_id)
3088 {
3089         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3090         struct fb_info *fb = inf->fb[fb_id];
3091         return fb;
3092 }
3093 EXPORT_SYMBOL(rk_get_fb);
3094
3095 void rk_direct_fb_show(struct fb_info *fbi)
3096 {
3097         rk_fb_set_par(fbi);
3098         rk_fb_pan_display(&fbi->var, fbi);
3099 }
3100 EXPORT_SYMBOL(rk_direct_fb_show);
3101
3102 int rk_fb_dpi_open(bool open)
3103 {
3104         struct rk_lcdc_driver *dev_drv = NULL;
3105         dev_drv = rk_get_prmry_lcdc_drv();
3106
3107         if (dev_drv->ops->dpi_open)
3108                 dev_drv->ops->dpi_open(dev_drv, open);
3109         return 0;
3110 }
3111
3112 int rk_fb_dpi_win_sel(int win_id)
3113 {
3114         struct rk_lcdc_driver *dev_drv = NULL;
3115         dev_drv = rk_get_prmry_lcdc_drv();
3116
3117         if (dev_drv->ops->dpi_win_sel)
3118                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3119         return 0;
3120 }
3121
3122 int rk_fb_dpi_status(void)
3123 {
3124         int ret = 0;
3125         struct rk_lcdc_driver *dev_drv = NULL;
3126
3127         dev_drv = rk_get_prmry_lcdc_drv();
3128         if (dev_drv->ops->dpi_status)
3129                 ret = dev_drv->ops->dpi_status(dev_drv);
3130
3131         return ret;
3132 }
3133
3134 /*
3135  * function: this function will be called to modify hdmi info according to
3136  *              pmy info for DUAL disp_mode when HDMI is used as EXTEND
3137  * @pmy_info: primary screen fb_info
3138  * @hdmi_info: hdmi screen fb_info
3139  * @screen: the hdmi screen info
3140  */
3141 static int rk_fb_hdmi_info_align(struct fb_info *pmy_info,
3142                                  struct fb_info *hdmi_info,
3143                                  struct rk_screen *screen)
3144 {
3145         struct rk_fb *inf =  platform_get_drvdata(fb_pdev);
3146         struct fb_var_screeninfo *hdmi_var = NULL;
3147         struct fb_var_screeninfo *pmy_var = NULL;
3148
3149         if(unlikely(!pmy_info) || unlikely(!hdmi_info))
3150                 return -1;
3151
3152         if (inf->disp_mode != DUAL || pmy_info == hdmi_info)
3153                 return 0;
3154
3155         pmy_var = &pmy_info->var;
3156         hdmi_var = &hdmi_info->var;
3157         if (pmy_var->xres < pmy_var->yres) {    /* vertical lcd screen */
3158                 hdmi_var->xres = pmy_var->yres;
3159                 hdmi_var->yres = pmy_var->xres;
3160                 hdmi_var->xres_virtual = pmy_var->yres;
3161         } else {
3162                 hdmi_var->xres = pmy_var->xres;
3163                 hdmi_var->yres = pmy_var->yres;
3164                 hdmi_var->xres_virtual = pmy_var->xres_virtual;
3165         }
3166
3167         /* use the same format as primary screen */
3168         hdmi_var->nonstd &= 0xffffff00;
3169         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);
3170
3171         if (screen) {
3172                 hdmi_var->grayscale &= 0xff;
3173                 hdmi_var->grayscale |= (screen->mode.xres << 8) +
3174                                         (screen->mode.yres << 20);
3175         }
3176
3177         return 0;
3178 }
3179
3180 /*
3181  * function: this function will be called by display device, enable/disable lcdc
3182  * @screen: screen timing to be set to lcdc
3183  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3184  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3185  */
3186 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3187 {
3188         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3189         struct fb_info *info = NULL;
3190         struct fb_info *pmy_info = NULL;
3191         struct rk_lcdc_driver *dev_drv = NULL;
3192         struct rk_lcdc_driver *pmy_dev_drv = rk_get_prmry_lcdc_drv();
3193         char name[6] = {0};
3194         int i, win_id, load_screen = 0;
3195
3196         if (unlikely(!rk_fb) || unlikely(!pmy_dev_drv) || unlikely(!screen))
3197                 return -ENODEV;
3198
3199         /* get lcdc driver */
3200         sprintf(name, "lcdc%d", lcdc_id);
3201         if (rk_fb->disp_mode != DUAL)
3202                 dev_drv = rk_fb->lcdc_dev_drv[0];
3203         else
3204                 dev_drv = rk_get_lcdc_drv(name);
3205
3206         if (dev_drv == NULL) {
3207                 printk(KERN_ERR "%s driver not found!", name);
3208                 return -ENODEV;
3209         }
3210         if (screen->type == SCREEN_HDMI)
3211                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3212                         dev_drv->id);
3213         else if (screen->type == SCREEN_TVOUT)
3214                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3215                         dev_drv->id);
3216
3217         if (enable == 2 /*&& dev_drv->enable*/)
3218                 return 0;
3219
3220         if (rk_fb->disp_mode == ONE_DUAL) {
3221                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
3222                         dev_drv->trsm_ops->disable();
3223                 if (dev_drv->ops->set_screen_scaler)
3224                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3225         }
3226
3227         if (!enable) {
3228                 /* if screen type is different, we do not disable lcdc. */
3229                 if (dev_drv->cur_screen->type != screen->type)
3230                         return 0;
3231
3232                 /* if used one lcdc to dual disp, no need to close win */
3233                 if (rk_fb->disp_mode == ONE_DUAL) {
3234                         dev_drv->cur_screen = dev_drv->screen0;
3235                         dev_drv->ops->load_screen(dev_drv, 1);
3236                         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3237                                 dev_drv->trsm_ops->enable();
3238                 } else if (rk_fb->num_lcdc > 1) {
3239                         /* If there is more than one lcdc device, we disable
3240                            the layer which attached to this device */
3241                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3242                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3243                                         dev_drv->ops->open(dev_drv, i, 0);
3244                         }
3245                 }
3246
3247                 hdmi_switch_complete = 0;
3248                 return 0;
3249         } else {
3250                 if (dev_drv->screen1)
3251                         dev_drv->cur_screen = dev_drv->screen1;
3252                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3253                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3254                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3255         }
3256
3257         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3258                 info = rk_fb->fb[dev_drv->fb_index_base + i];
3259                 if (rk_fb->disp_mode == DUAL &&
3260                                 dev_drv != pmy_dev_drv) {
3261                         pmy_info = rk_fb->fb[pmy_dev_drv->fb_index_base + i];
3262                         rk_fb_hdmi_info_align(pmy_info, info,
3263                                                 dev_drv->cur_screen);
3264                 }
3265
3266                 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3267                 if (dev_drv->win[win_id]) {
3268                         if (rk_fb->disp_mode == DUAL) {
3269                                 if (dev_drv != pmy_dev_drv &&
3270                                                 pmy_dev_drv->win[win_id]) {
3271                                         dev_drv->win[win_id]->logicalstate =
3272                                                 pmy_dev_drv->win[win_id]->logicalstate;
3273                                 }
3274                         }
3275                         if (dev_drv->win[win_id]->logicalstate) {
3276                                 dev_drv->ops->open(dev_drv, win_id, 1);
3277                                 if (!load_screen) {
3278                                         dev_drv->ops->load_screen(dev_drv, 1);
3279                                         load_screen = 1;
3280                                 }
3281                                 info->var.activate |= FB_ACTIVATE_FORCE;
3282                                 info->fbops->fb_set_par(info);
3283                                 info->fbops->fb_pan_display(&info->var, info);
3284                         }
3285                 }
3286         }
3287
3288         hdmi_switch_complete = 1;
3289         if (rk_fb->disp_mode == ONE_DUAL) {
3290                 if (dev_drv->ops->set_screen_scaler)
3291                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3292                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3293                         dev_drv->trsm_ops->enable();
3294         }
3295         return 0;
3296 }
3297
3298 /*
3299  * function:this function current only called by hdmi for
3300  *      scale the display
3301  * scale_x: scale rate of x resolution
3302  * scale_y: scale rate of y resolution
3303  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3304  */
3305 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3306 {
3307         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3308         struct fb_info *info = NULL;
3309         struct fb_var_screeninfo *var = NULL;
3310         struct rk_lcdc_driver *dev_drv = NULL;
3311         u16 screen_x, screen_y;
3312         u16 xpos, ypos;
3313         char name[6];
3314         struct rk_screen primary_screen;
3315         rk_fb_get_prmry_screen(&primary_screen);
3316         if (primary_screen.type == SCREEN_HDMI) {
3317                 return 0;
3318         }
3319
3320         sprintf(name, "lcdc%d", lcdc_id);
3321
3322         if (inf->disp_mode == DUAL) {
3323                 dev_drv = rk_get_lcdc_drv(name);
3324                 if (dev_drv == NULL) {
3325                         printk(KERN_ERR "%s driver not found!", name);
3326                         return -ENODEV;
3327                 }
3328         } else {
3329                 dev_drv = inf->lcdc_dev_drv[0];
3330         }
3331
3332         if (inf->num_lcdc == 1)
3333                 info = inf->fb[0];
3334         else if (inf->num_lcdc == 2)
3335                 info = inf->fb[dev_drv->lcdc_win_num];
3336
3337         var = &info->var;
3338         screen_x = dev_drv->cur_screen->mode.xres;
3339         screen_y = dev_drv->cur_screen->mode.yres;
3340
3341         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3342                 dev_drv->cur_screen->xpos =
3343                     (screen_x - screen_x * scale_x / 100) >> 1;
3344                 dev_drv->cur_screen->ypos =
3345                     (screen_y - screen_y * scale_y / 100) >> 1;
3346                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3347                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3348         } else {
3349                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3350                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3351                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3352                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3353                 var->nonstd &= 0xff;
3354                 var->nonstd |= (xpos << 8) + (ypos << 20);
3355                 var->grayscale &= 0xff;
3356                 var->grayscale |=
3357                     (dev_drv->cur_screen->xsize << 8) + (dev_drv->cur_screen->ysize << 20);
3358         }
3359
3360         info->fbops->fb_set_par(info);
3361         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3362         dev_drv->ops->cfg_done(dev_drv);
3363         return 0;
3364 }
3365
3366 #if defined(CONFIG_ION_ROCKCHIP)
3367 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3368                                      struct rk_lcdc_win *win,
3369                                      unsigned long fb_mem_size)
3370 {
3371         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3372         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3373         struct ion_handle *handle;
3374         ion_phys_addr_t phy_addr;
3375         size_t len;
3376         int ret = 0;
3377
3378         if (dev_drv->iommu_enabled)
3379                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3380                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3381         else
3382                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3383                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3384         if (IS_ERR(handle)) {
3385                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3386                         PTR_ERR(handle));
3387                 return -ENOMEM;
3388         }
3389         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3390         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3391                 printk("ion_share_dma_buf() failed\n");
3392                 goto err_share_dma_buf;
3393         }
3394         win->area[0].ion_hdl = handle;
3395         if (dev_drv->prop == PRMRY)
3396                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3397 #ifdef CONFIG_ROCKCHIP_IOMMU
3398         if (dev_drv->iommu_enabled)
3399                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3400                                         (unsigned long *)&phy_addr,
3401                                         (unsigned long *)&len);
3402         else
3403                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3404 #else
3405         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3406 #endif
3407         if (ret < 0) {
3408                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3409                 goto err_share_dma_buf;
3410         }
3411         fbi->fix.smem_start = phy_addr;
3412         fbi->fix.smem_len = len;
3413         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3414         return 0;
3415
3416 err_share_dma_buf:
3417         ion_free(rk_fb->ion_client, handle);
3418         return -ENOMEM;
3419 }
3420 #endif
3421
3422 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3423 {
3424         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3425         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3426         struct rk_lcdc_win *win = NULL;
3427         int win_id;
3428         int ret = 0;
3429         unsigned long fb_mem_size;
3430 #if !defined(CONFIG_ION_ROCKCHIP)
3431         dma_addr_t fb_mem_phys;
3432         void *fb_mem_virt;
3433 #endif
3434
3435         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3436         if (win_id < 0)
3437                 return -ENODEV;
3438         else
3439                 win = dev_drv->win[win_id];
3440
3441         if (!strcmp(fbi->fix.id, "fb0")) {
3442                 fb_mem_size = get_fb_size();
3443 #if defined(CONFIG_ION_ROCKCHIP)
3444                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3445                         return -ENOMEM;
3446 #else
3447                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3448                                                      &fb_mem_phys, GFP_KERNEL);
3449                 if (!fb_mem_virt) {
3450                         pr_err("%s: Failed to allocate framebuffer\n",
3451                                __func__);
3452                         return -ENOMEM;
3453                 }
3454                 fbi->fix.smem_len = fb_mem_size;
3455                 fbi->fix.smem_start = fb_mem_phys;
3456                 fbi->screen_base = fb_mem_virt;
3457 #endif
3458                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3459                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3460                        fbi->fix.smem_start, fbi->screen_base,
3461                        fbi->fix.smem_len);
3462         } else {
3463                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3464                         fb_mem_size = get_rotate_fb_size();
3465 #if defined(CONFIG_ION_ROCKCHIP)
3466                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3467                                 return -ENOMEM;
3468 #else
3469                         fb_mem_virt =
3470                                 dma_alloc_writecombine(fbi->dev,
3471                                                        fb_mem_size,
3472                                                        &fb_mem_phys,
3473                                                        GFP_KERNEL);
3474                         if (!fb_mem_virt) {
3475                                 pr_err("%s: Failed to allocate framebuffer\n",
3476                                         __func__);
3477                                 return -ENOMEM;
3478                         }
3479                         fbi->fix.smem_len = fb_mem_size;
3480                         fbi->fix.smem_start = fb_mem_phys;
3481                         fbi->screen_base = fb_mem_virt;
3482 #endif
3483                 } else {
3484                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3485                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3486                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3487                 }
3488
3489                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3490                        fbi->fix.smem_start, fbi->screen_base,
3491                        fbi->fix.smem_len);
3492         }
3493
3494         fbi->screen_size = fbi->fix.smem_len;
3495         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3496         if (win_id >= 0) {
3497                 win = dev_drv->win[win_id];
3498                 win->reserved = fbi->fix.smem_start;
3499         }
3500
3501         return ret;
3502 }
3503
3504 #if 0
3505 static int rk_release_fb_buffer(struct fb_info *fbi)
3506 {
3507         /* buffer for fb1 and fb3 are alloc by android */
3508         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3509                 return 0;
3510         iounmap(fbi->screen_base);
3511         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3512         return 0;
3513 }
3514 #endif
3515
3516 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3517                          struct rk_lcdc_win *def_win)
3518 {
3519         int i;
3520         int lcdc_win_num = dev_drv->lcdc_win_num;
3521
3522         for (i = 0; i < lcdc_win_num; i++) {
3523                 struct rk_lcdc_win *win = NULL;
3524                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3525                 if (!win) {
3526                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3527                         return -ENOMEM;
3528                 }
3529
3530                 strcpy(win->name, def_win[i].name);
3531                 win->id = def_win[i].id;
3532                 win->support_3d = def_win[i].support_3d;
3533                 dev_drv->win[i] = win;
3534         }
3535
3536         return 0;
3537 }
3538
3539 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3540                                    struct rk_lcdc_win *def_win, int index)
3541 {
3542         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3543         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3544                                                 sizeof(struct rk_screen),
3545                                                 GFP_KERNEL);
3546
3547         if (!screen) {
3548                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3549                         dev_drv->id);
3550                 return -ENOMEM;
3551         }
3552
3553         screen->screen_id = 0;
3554         screen->lcdc_id = dev_drv->id;
3555         screen->overscan.left = 100;
3556         screen->overscan.top = 100;
3557         screen->overscan.right = 100;
3558         screen->overscan.bottom = 100;
3559
3560         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3561         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3562
3563         dev_drv->screen0 = screen;
3564         dev_drv->cur_screen = screen;
3565         /* devie use one lcdc + rk61x scaler for dual display */
3566         if (rk_fb->disp_mode == ONE_DUAL) {
3567                 struct rk_screen *screen1 =
3568                                 devm_kzalloc(dev_drv->dev,
3569                                              sizeof(struct rk_screen),
3570                                              GFP_KERNEL);
3571                 if (!screen1) {
3572                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3573                                 dev_drv->id);
3574                         return -ENOMEM;
3575                 }
3576                 screen1->screen_id = 1;
3577                 screen1->lcdc_id = 1;
3578                 dev_drv->screen1 = screen1;
3579         }
3580         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3581         init_lcdc_win(dev_drv, def_win);
3582         init_completion(&dev_drv->frame_done);
3583         spin_lock_init(&dev_drv->cpl_lock);
3584         mutex_init(&dev_drv->fb_win_id_mutex);
3585         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3586         dev_drv->first_frame = 1;
3587         dev_drv->overscan.left = 100;
3588         dev_drv->overscan.top = 100;
3589         dev_drv->overscan.right = 100;
3590         dev_drv->overscan.bottom = 100;
3591         rk_disp_pwr_ctr_parse_dt(dev_drv);
3592         if (dev_drv->prop == PRMRY) {
3593                 if (dev_drv->ops->set_dsp_cabc)
3594                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3595                 rk_fb_set_prmry_screen(screen);
3596         }
3597         rk_fb_get_prmry_screen(screen);
3598         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3599
3600         return 0;
3601 }
3602
3603 #ifdef CONFIG_LOGO_LINUX_BMP
3604 static struct linux_logo *bmp_logo;
3605 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3606 {
3607         bmp_logo = fb_find_logo(24);
3608         if (bmp_logo == NULL) {
3609                 printk(KERN_INFO "%s error\n", __func__);
3610                 return 0;
3611         }
3612         return 1;
3613 }
3614
3615 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3616 {
3617         unsigned char *src = bmp_logo->data;
3618         unsigned char *dst = info->screen_base;
3619         int i;
3620         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3621         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3622
3623         for (i = 0; i < Needheight; i++)
3624                 memcpy(dst + info->var.xres * i * 4,
3625                        src + bmp_logo->width * i * 4, Needwidth * 4);
3626 }
3627 #endif
3628
3629 /*
3630  * check if the primary lcdc has registerd,
3631  * the primary lcdc mas register first
3632  */
3633 bool is_prmry_rk_lcdc_registered(void)
3634 {
3635         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3636
3637         if (rk_fb->lcdc_dev_drv[0])
3638                 return true;
3639         else
3640                 return false;
3641 }
3642
3643 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3644                    struct rk_lcdc_win *win, int id)
3645 {
3646         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3647         struct fb_info *fbi;
3648         int i = 0, ret = 0, index = 0;
3649 /*
3650 #if defined(CONFIG_ROCKCHIP_IOMMU)
3651         struct device *mmu_dev = NULL;
3652 #endif
3653 */
3654         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3655                 return -ENXIO;
3656
3657         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3658                 if (!rk_fb->lcdc_dev_drv[i]) {
3659                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3660                         rk_fb->lcdc_dev_drv[i]->id = id;
3661                         rk_fb->num_lcdc++;
3662                         break;
3663                 }
3664         }
3665
3666         index = i;
3667         init_lcdc_device_driver(rk_fb, win, index);
3668         dev_drv->fb_index_base = rk_fb->num_fb;
3669         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3670                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3671                 if (!fbi) {
3672                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3673                         ret = -ENOMEM;
3674                 }
3675                 fbi->par = dev_drv;
3676                 fbi->var = def_var;
3677                 fbi->fix = def_fix;
3678                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3679                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3680                 fbi->var.grayscale |=
3681                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3682 #if defined(CONFIG_LOGO_LINUX_BMP)
3683                 fbi->var.bits_per_pixel = 32;
3684 #else
3685                 fbi->var.bits_per_pixel = 16;
3686 #endif
3687                 fbi->fix.line_length =
3688                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3689                 fbi->var.width = dev_drv->cur_screen->width;
3690                 fbi->var.height = dev_drv->cur_screen->height;
3691                 fbi->var.pixclock = dev_drv->pixclock;
3692                 if (dev_drv->iommu_enabled)
3693                         fb_ops.fb_mmap = rk_fb_mmap;
3694                 fbi->fbops = &fb_ops;
3695                 fbi->flags = FBINFO_FLAG_DEFAULT;
3696                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3697                 ret = register_framebuffer(fbi);
3698                 if (ret < 0) {
3699                         dev_err(&fb_pdev->dev,
3700                                 "%s fb%d register_framebuffer fail!\n",
3701                                 __func__, rk_fb->num_fb);
3702                         return ret;
3703                 }
3704                 rkfb_create_sysfs(fbi);
3705                 rk_fb->fb[rk_fb->num_fb] = fbi;
3706                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3707                          fbi->fix.id);
3708                 rk_fb->num_fb++;
3709
3710                 if (i == 0) {
3711                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3712                         init_waitqueue_head(&dev_drv->update_regs_wait);
3713                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3714                         if (ret)
3715                                 dev_err(fbi->dev,
3716                                         "failed to create vsync file\n");
3717                         dev_drv->vsync_info.thread =
3718                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3719                                         "fb-vsync");
3720                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3721                                 dev_err(fbi->dev,
3722                                         "failed to run vsync thread\n");
3723                                 dev_drv->vsync_info.thread = NULL;
3724                         }
3725                         dev_drv->vsync_info.active = 1;
3726
3727                         mutex_init(&dev_drv->output_lock);
3728
3729                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3730                         mutex_init(&dev_drv->update_regs_list_lock);
3731                         init_kthread_worker(&dev_drv->update_regs_worker);
3732
3733                         dev_drv->update_regs_thread =
3734                             kthread_run(kthread_worker_fn,
3735                                         &dev_drv->update_regs_worker, "rk-fb");
3736                         if (IS_ERR(dev_drv->update_regs_thread)) {
3737                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3738                                 dev_drv->update_regs_thread = NULL;
3739
3740                                 printk("failed to run update_regs thread\n");
3741                                 return err;
3742                         }
3743                         init_kthread_work(&dev_drv->update_regs_work,
3744                                           rk_fb_update_regs_handler);
3745
3746                         dev_drv->timeline =
3747                             sw_sync_timeline_create("fb-timeline");
3748                         dev_drv->timeline_max = 1;
3749                 }
3750         }
3751
3752         /* show logo for primary display device */
3753 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3754         if (dev_drv->prop == PRMRY) {
3755                 struct fb_info *main_fbi = rk_fb->fb[0];
3756                 main_fbi->fbops->fb_open(main_fbi, 1);
3757 /*
3758 #if defined(CONFIG_ROCKCHIP_IOMMU)
3759                 if (dev_drv->iommu_enabled) {
3760                         mmu_dev =
3761                             rk_fb_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
3762                         if (mmu_dev) {
3763                                 rk_fb_platform_set_sysmmu(mmu_dev, dev_drv->dev);
3764                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3765                                                                   rk_fb_sysmmu_fault_handler);
3766                                 rockchip_iovmm_activate(dev_drv->dev);
3767                         } else
3768                                 dev_err(dev_drv->dev,
3769                                         "failed to get rockchip iommu device\n");
3770                 }
3771 #endif
3772 */
3773                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3774                 if (support_uboot_display()) {
3775                         if (dev_drv->iommu_enabled) {
3776                                 rk_fb_copy_from_loader(main_fbi);
3777                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3778                                         main_fbi->fix.smem_start);
3779                         }
3780                         return 0;
3781                 }
3782                 main_fbi->fbops->fb_set_par(main_fbi);
3783 #if  defined(CONFIG_LOGO_LINUX_BMP)
3784                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3785                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3786                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3787                 }
3788 #else
3789                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3790                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3791                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3792                 }
3793 #endif
3794                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3795         } else {
3796 #if !defined(CONFIG_ROCKCHIP_IOMMU)
3797                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3798                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3799
3800                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3801 #endif
3802         }
3803 #endif
3804         return 0;
3805 }
3806
3807 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3808 {
3809         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3810         struct fb_info *fbi;
3811         int fb_index_base = dev_drv->fb_index_base;
3812         int fb_num = dev_drv->lcdc_win_num;
3813         int i = 0;
3814
3815         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3816                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3817                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3818         }
3819
3820         for (i = 0; i < fb_num; i++)
3821                 kfree(dev_drv->win[i]);
3822
3823         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3824                 fbi = fb_inf->fb[i];
3825                 unregister_framebuffer(fbi);
3826                 /* rk_release_fb_buffer(fbi); */
3827                 framebuffer_release(fbi);
3828         }
3829         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3830         fb_inf->num_lcdc--;
3831
3832         return 0;
3833 }
3834
3835 static int rk_fb_probe(struct platform_device *pdev)
3836 {
3837         struct rk_fb *rk_fb = NULL;
3838         struct device_node *np = pdev->dev.of_node;
3839         u32 mode;
3840
3841         if (!np) {
3842                 dev_err(&pdev->dev, "Missing device tree node.\n");
3843                 return -EINVAL;
3844         }
3845
3846         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3847         if (!rk_fb) {
3848                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3849                 return -ENOMEM;
3850         }
3851         platform_set_drvdata(pdev, rk_fb);
3852
3853         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3854                 rk_fb->disp_mode = mode;
3855
3856         } else {
3857                 dev_err(&pdev->dev, "no disp-mode node found!");
3858                 return -ENODEV;
3859         }
3860
3861         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3862                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3863
3864         dev_set_name(&pdev->dev, "rockchip-fb");
3865 #if defined(CONFIG_ION_ROCKCHIP)
3866         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3867         if (IS_ERR(rk_fb->ion_client)) {
3868                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3869                 return PTR_ERR(rk_fb->ion_client);
3870         } else {
3871                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3872         }
3873 #endif
3874
3875         fb_pdev = pdev;
3876         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3877         return 0;
3878 }
3879
3880 static int rk_fb_remove(struct platform_device *pdev)
3881 {
3882         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3883
3884         kfree(rk_fb);
3885         platform_set_drvdata(pdev, NULL);
3886         return 0;
3887 }
3888
3889 static void rk_fb_shutdown(struct platform_device *pdev)
3890 {
3891         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3892         int i;
3893
3894         for (i = 0; i < rk_fb->num_lcdc; i++) {
3895                 if (!rk_fb->lcdc_dev_drv[i])
3896                         continue;
3897         }
3898 }
3899
3900 static const struct of_device_id rkfb_dt_ids[] = {
3901         {.compatible = "rockchip,rk-fb",},
3902         {}
3903 };
3904
3905 static struct platform_driver rk_fb_driver = {
3906         .probe = rk_fb_probe,
3907         .remove = rk_fb_remove,
3908         .driver = {
3909                    .name = "rk-fb",
3910                    .owner = THIS_MODULE,
3911                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3912                    },
3913         .shutdown = rk_fb_shutdown,
3914 };
3915
3916 static int __init rk_fb_init(void)
3917 {
3918         return platform_driver_register(&rk_fb_driver);
3919 }
3920
3921 static void __exit rk_fb_exit(void)
3922 {
3923         platform_driver_unregister(&rk_fb_driver);
3924 }
3925
3926 fs_initcall(rk_fb_init);
3927 module_exit(rk_fb_exit);