drivers/video/rockchip/rk_fb.c

   1 /*
   2  * drivers/video/rockchip/rk_fb.c
   3  *
   4  * Copyright (C) ROCKCHIP, Inc.
   5  * Author:yxj<yxj@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/errno.h>
  19 #include <linux/string.h>
  20 #include <linux/mm.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/kthread.h>
  25 #include <linux/fb.h>
  26 #include <linux/init.h>
  27 #include <asm/div64.h>
  28 #include <linux/uaccess.h>
  29 #include <linux/rk_fb.h>
  30 #include <linux/linux_logo.h>
  31 #include <linux/dma-mapping.h>
  32
  33 #if defined(CONFIG_RK_HDMI)
  34 #include "hdmi/rk_hdmi.h"
  35 #endif
  36
  37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
  38 #include "rga/rga.h"
  39 #endif
  40
  41 #ifdef CONFIG_OF
  42 #include <linux/of.h>
  43 #include <linux/of_gpio.h>
  44 #include <video/of_display_timing.h>
  45 #include <video/display_timing.h>
  46 #include <dt-bindings/rkfb/rk_fb.h>
  47 #endif
  48
  49 #if defined(CONFIG_ION_ROCKCHIP)
  50 #include <linux/rockchip_ion.h>
  51 #include <linux/rockchip/iovmm.h>
  52 #include <linux/rockchip/sysmmu.h>
  53 #include <linux/dma-buf.h>
  54 #include <linux/highmem.h>
  55 #endif
  56
  57 #define H_USE_FENCE 1
  58 static int hdmi_switch_complete;
  59 static struct platform_device *fb_pdev;
  60 struct list_head saved_list;
  61
  62 #if defined(CONFIG_FB_MIRRORING)
  63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
  64 EXPORT_SYMBOL(video_data_to_mirroring);
  65 #endif
  66
  67 struct rk_fb_reg_win_data g_reg_win_data[4];
  68 static int g_last_win_num;
  69 static int g_first_buf = 1;
  70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
  71 static struct rk_fb_trsm_ops *trsm_edp_ops;
  72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
  73 static int uboot_logo_on;
  74 int support_uboot_display(void)
  75 {
  76         return uboot_logo_on;
  77 }
  78
  79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
  80 {
  81         switch (type) {
  82         case SCREEN_RGB:
  83         case SCREEN_LVDS:
  84         case SCREEN_DUAL_LVDS:
  85                 trsm_lvds_ops = ops;
  86                 break;
  87         case SCREEN_EDP:
  88                 trsm_edp_ops = ops;
  89                 break;
  90         case SCREEN_MIPI:
  91         case SCREEN_DUAL_MIPI:
  92                 trsm_mipi_ops = ops;
  93                 break;
  94         default:
  95                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
  96                        __func__, type);
  97                 break;
  98         }
  99         return 0;
 100 }
 101
 102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 103 {
 104         struct rk_fb_trsm_ops *ops;
 105         switch (type) {
 106         case SCREEN_RGB:
 107         case SCREEN_LVDS:
 108         case SCREEN_DUAL_LVDS:
 109                 ops = trsm_lvds_ops;
 110                 break;
 111         case SCREEN_EDP:
 112                 ops = trsm_edp_ops;
 113                 break;
 114         case SCREEN_MIPI:
 115         case SCREEN_DUAL_MIPI:
 116                 ops = trsm_mipi_ops;
 117                 break;
 118         default:
 119                 ops = NULL;
 120                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
 121                        __func__, type);
 122                 break;
 123         }
 124         return ops;
 125 }
 126
 127 int rk_fb_pixel_width(int data_format)
 128 {
 129         int pixel_width;
 130         switch (data_format) {
 131         case XBGR888:
 132         case ABGR888:
 133         case ARGB888:
 134                 pixel_width = 4 * 8;
 135                 break;
 136         case RGB888:
 137                 pixel_width = 3 * 8;
 138                 break;
 139         case RGB565:
 140                 pixel_width = 2 * 8;
 141                 break;
 142         case YUV422:
 143         case YUV420:
 144         case YUV444:
 145                 pixel_width = 1 * 8;
 146                 break;
 147         case YUV422_A:
 148         case YUV420_A:
 149         case YUV444_A:
 150                 pixel_width = 8;
 151                 break;
 152         default:
 153                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
 154                        __func__, data_format);
 155                 return -EINVAL;
 156         }
 157         return pixel_width;
 158 }
 159
 160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 161 {
 162         int fb_data_fmt;
 163         if (data_format) {
 164                 switch (data_format) {
 165                 case HAL_PIXEL_FORMAT_RGBX_8888:
 166                         fb_data_fmt = XBGR888;
 167                         break;
 168                 case HAL_PIXEL_FORMAT_RGBA_8888:
 169                         fb_data_fmt = ABGR888;
 170                         break;
 171                 case HAL_PIXEL_FORMAT_BGRA_8888:
 172                         fb_data_fmt = ARGB888;
 173                         break;
 174                 case HAL_PIXEL_FORMAT_RGB_888:
 175                         fb_data_fmt = RGB888;
 176                         break;
 177                 case HAL_PIXEL_FORMAT_RGB_565:
 178                         fb_data_fmt = RGB565;
 179                         break;
 180                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
 181                         fb_data_fmt = YUV422;
 182                         break;
 183                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
 184                         fb_data_fmt = YUV420;
 185                         break;
 186                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
 187                         fb_data_fmt = YUV444;
 188                         break;
 189                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
 190                         fb_data_fmt = YUV420_A;
 191                         break;
 192                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
 193                         fb_data_fmt = YUV422_A;
 194                         break;
 195                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
 196                         fb_data_fmt = YUV444_A;
 197                         break;
 198                 default:
 199                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
 200                                __func__, data_format);
 201                         return -EINVAL;
 202                 }
 203         } else {
 204                 switch (bits_per_pixel) {
 205                 case 32:
 206                         fb_data_fmt = ARGB888;
 207                         break;
 208                 case 16:
 209                         fb_data_fmt = RGB565;
 210                         break;
 211                 default:
 212                         printk(KERN_WARNING
 213                                "%s:un supported bits_per_pixel:%d\n", __func__,
 214                                bits_per_pixel);
 215                         break;
 216                 }
 217         }
 218         return fb_data_fmt;
 219 }
 220
 221 /*
 222  * rk display power control parse from dts
 223  */
 224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
 225 {
 226         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
 227                                                         "power_ctr");
 228         struct device_node *child;
 229         struct rk_disp_pwr_ctr_list *pwr_ctr;
 230         struct list_head *pos;
 231         enum of_gpio_flags flags;
 232         u32 val = 0;
 233         u32 debug = 0;
 234         int ret;
 235
 236         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
 237         if (!root) {
 238                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
 239                         dev_drv->id);
 240                 return -ENODEV;
 241         }
 242
 243         for_each_child_of_node(root, child) {
 244                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
 245                                   GFP_KERNEL);
 246                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
 247                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
 248                         if (val == GPIO) {
 249                                 pwr_ctr->pwr_ctr.type = GPIO;
 250                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
 251                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
 252                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
 253                                                 child->name);
 254                                         return -EINVAL;
 255                                 }
 256                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
 257                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
 258                                                    child->name);
 259                                 if (ret) {
 260                                         dev_err(dev_drv->dev,
 261                                                 "request %s gpio fail:%d\n",
 262                                                 child->name, ret);
 263                                 }
 264
 265                         } else {
 266                                 pwr_ctr->pwr_ctr.type = REGULATOR;
 267
 268                         }
 269                 };
 270                 of_property_read_u32(child, "rockchip,delay", &val);
 271                 pwr_ctr->pwr_ctr.delay = val;
 272                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
 273         }
 274
 275         of_property_read_u32(root, "rockchip,debug", &debug);
 276
 277         if (debug) {
 278                 list_for_each(pos, &dev_drv->pwrlist_head) {
 279                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
 280                                              list);
 281                         printk(KERN_INFO "pwr_ctr_name:%s\n"
 282                                "pwr_type:%s\n"
 283                                "gpio:%d\n"
 284                                "atv_val:%d\n"
 285                                "delay:%d\n\n",
 286                                pwr_ctr->pwr_ctr.name,
 287                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
 288                                pwr_ctr->pwr_ctr.gpio,
 289                                pwr_ctr->pwr_ctr.atv_val,
 290                                pwr_ctr->pwr_ctr.delay);
 291                 }
 292         }
 293
 294         return 0;
 295
 296 }
 297
 298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
 299 {
 300         struct list_head *pos;
 301         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 302         struct pwr_ctr *pwr_ctr;
 303         if (list_empty(&dev_drv->pwrlist_head))
 304                 return 0;
 305         list_for_each(pos, &dev_drv->pwrlist_head) {
 306                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 307                                           list);
 308                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 309                 if (pwr_ctr->type == GPIO) {
 310                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
 311                         mdelay(pwr_ctr->delay);
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
 319 {
 320         struct list_head *pos;
 321         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
 322         struct pwr_ctr *pwr_ctr;
 323         if (list_empty(&dev_drv->pwrlist_head))
 324                 return 0;
 325         list_for_each(pos, &dev_drv->pwrlist_head) {
 326                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
 327                                           list);
 328                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
 329                 if (pwr_ctr->type == GPIO)
 330                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
 331         }
 332         return 0;
 333 }
 334
 335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
 336                                  struct rk_screen *screen)
 337 {
 338         screen->mode.pixclock = dt->pixelclock.typ;
 339         screen->mode.left_margin = dt->hback_porch.typ;
 340         screen->mode.right_margin = dt->hfront_porch.typ;
 341         screen->mode.xres = dt->hactive.typ;
 342         screen->mode.hsync_len = dt->hsync_len.typ;
 343         screen->mode.upper_margin = dt->vback_porch.typ;
 344         screen->mode.lower_margin = dt->vfront_porch.typ;
 345         screen->mode.yres = dt->vactive.typ;
 346         screen->mode.vsync_len = dt->vsync_len.typ;
 347         screen->type = dt->screen_type;
 348         screen->lvds_format = dt->lvds_format;
 349         screen->face = dt->face;
 350
 351         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
 352                 screen->pin_dclk = 1;
 353         else
 354                 screen->pin_dclk = 0;
 355         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
 356                 screen->pin_hsync = 1;
 357         else
 358                 screen->pin_hsync = 0;
 359         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
 360                 screen->pin_vsync = 1;
 361         else
 362                 screen->pin_vsync = 0;
 363         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
 364                 screen->pin_den = 1;
 365         else
 366                 screen->pin_den = 0;
 367
 368         return 0;
 369
 370 }
 371
 372 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 373 {
 374         struct display_timings *disp_timing;
 375         struct display_timing *dt;
 376         disp_timing = of_get_display_timings(np);
 377         if (!disp_timing) {
 378                 pr_err("parse display timing err\n");
 379                 return -EINVAL;
 380         }
 381         dt = display_timings_get(disp_timing, disp_timing->native_mode);
 382         rk_fb_video_mode_from_timing(dt, screen);
 383         return 0;
 384
 385 }
 386
 387 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 388 {
 389         int x, y;
 390         unsigned long long hz;
 391         if (!screen) {
 392                 printk(KERN_ERR "%s:null screen!\n", __func__);
 393                 return 0;
 394         }
 395         x = screen->mode.xres + screen->mode.left_margin +
 396             screen->mode.right_margin + screen->mode.hsync_len;
 397         y = screen->mode.yres + screen->mode.upper_margin +
 398             screen->mode.lower_margin + screen->mode.vsync_len;
 399
 400         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
 401
 402         hz += (x * y) / 2;
 403         do_div(hz, x * y);      /* divide by x * y with rounding */
 404
 405         hz += pixclock / 2;
 406         do_div(hz, pixclock);   /* divide by pixclock with rounding */
 407
 408         return hz;
 409 }
 410
 411 char *get_format_string(enum data_format format, char *fmt)
 412 {
 413         if (!fmt)
 414                 return NULL;
 415         switch (format) {
 416         case ARGB888:
 417                 strcpy(fmt, "ARGB888");
 418                 break;
 419         case RGB888:
 420                 strcpy(fmt, "RGB888");
 421                 break;
 422         case RGB565:
 423                 strcpy(fmt, "RGB565");
 424                 break;
 425         case YUV420:
 426                 strcpy(fmt, "YUV420");
 427                 break;
 428         case YUV422:
 429                 strcpy(fmt, "YUV422");
 430                 break;
 431         case YUV444:
 432                 strcpy(fmt, "YUV444");
 433                 break;
 434         case YUV420_A:
 435                 strcpy(fmt, "YUV420_A");
 436                 break;
 437         case YUV422_A:
 438                 strcpy(fmt, "YUV422_A");
 439                 break;
 440         case YUV444_A:
 441                 strcpy(fmt, "YUV444_A");
 442                 break;
 443         case XRGB888:
 444                 strcpy(fmt, "XRGB888");
 445                 break;
 446         case XBGR888:
 447                 strcpy(fmt, "XBGR888");
 448                 break;
 449         case ABGR888:
 450                 strcpy(fmt, "XBGR888");
 451                 break;
 452         default:
 453                 strcpy(fmt, "invalid");
 454                 break;
 455         }
 456
 457         return fmt;
 458
 459 }
 460
 461 /*
 462  * this is for hdmi
 463  * name: lcdc device name ,lcdc0 , lcdc1
 464  */
 465 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
 466 {
 467         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
 468         int i = 0;
 469         for (i = 0; i < inf->num_lcdc; i++) {
 470                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name))
 471                         break;
 472         }
 473         return inf->lcdc_dev_drv[i];
 474
 475 }
 476
 477 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
 478 {
 479         struct rk_fb *inf = NULL;
 480         struct rk_lcdc_driver *dev_drv = NULL;
 481         int i = 0;
 482
 483         if (likely(fb_pdev))
 484                 inf = platform_get_drvdata(fb_pdev);
 485         else
 486                 return NULL;
 487
 488         for (i = 0; i < inf->num_lcdc; i++) {
 489                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
 490                         dev_drv = inf->lcdc_dev_drv[i];
 491                         break;
 492                 }
 493         }
 494
 495         return dev_drv;
 496 }
 497
 498 /*
 499  * get one frame time of the prmry screen, unit: us
 500  */
 501 u32 rk_fb_get_prmry_screen_ft(void)
 502 {
 503         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 504         uint32_t htotal, vtotal, pixclock_ps;
 505         u64 pix_total, ft_us;
 506
 507         if (unlikely(!dev_drv))
 508                 return 0;
 509
 510         pixclock_ps = dev_drv->pixclock;
 511
 512         vtotal = (dev_drv->cur_screen->mode.upper_margin +
 513                  dev_drv->cur_screen->mode.lower_margin +
 514                  dev_drv->cur_screen->mode.yres +
 515                  dev_drv->cur_screen->mode.vsync_len);
 516         htotal = (dev_drv->cur_screen->mode.left_margin +
 517                  dev_drv->cur_screen->mode.right_margin +
 518                  dev_drv->cur_screen->mode.xres +
 519                  dev_drv->cur_screen->mode.hsync_len);
 520         pix_total = htotal * vtotal;
 521         ft_us = pix_total * pixclock_ps;
 522         do_div(ft_us, 1000000);
 523         if (dev_drv->frame_time.ft == 0)
 524                 dev_drv->frame_time.ft = ft_us;
 525
 526         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
 527         do_div(ft_us, 1000);
 528         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
 529         if (ft_us != 0)
 530                 dev_drv->frame_time.ft = ft_us;
 531
 532         return dev_drv->frame_time.ft;
 533 }
 534
 535 /*
 536  * get the vblanking time of the prmry screen, unit: us
 537  */
 538 u32 rk_fb_get_prmry_screen_vbt(void)
 539 {
 540         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 541         uint32_t htotal, vblank, pixclock_ps;
 542         u64 pix_blank, vbt_us;
 543
 544         if (unlikely(!dev_drv))
 545                 return 0;
 546
 547         pixclock_ps = dev_drv->pixclock;
 548
 549         htotal = (dev_drv->cur_screen->mode.left_margin +
 550                  dev_drv->cur_screen->mode.right_margin +
 551                  dev_drv->cur_screen->mode.xres +
 552                  dev_drv->cur_screen->mode.hsync_len);
 553         vblank = (dev_drv->cur_screen->mode.upper_margin +
 554                  dev_drv->cur_screen->mode.lower_margin +
 555                  dev_drv->cur_screen->mode.vsync_len);
 556         pix_blank = htotal * vblank;
 557         vbt_us = pix_blank * pixclock_ps;
 558         do_div(vbt_us, 1000000);
 559         return (u32)vbt_us;
 560 }
 561
 562 /*
 563  * get the frame done time of the prmry screen, unit: us
 564  */
 565 u64 rk_fb_get_prmry_screen_framedone_t(void)
 566 {
 567         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 568
 569         if (unlikely(!dev_drv))
 570                 return 0;
 571         else
 572                 return dev_drv->frame_time.framedone_t;
 573 }
 574
 575 /*
 576  * set prmry screen status
 577  */
 578 int rk_fb_set_prmry_screen_status(int status)
 579 {
 580         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 581         struct rk_screen *screen;
 582
 583         if (unlikely(!dev_drv))
 584                 return 0;
 585
 586         screen = dev_drv->cur_screen;
 587         switch (status) {
 588         case SCREEN_PREPARE_DDR_CHANGE:
 589                 if (screen->type == SCREEN_MIPI
 590                         || screen->type == SCREEN_DUAL_MIPI) {
 591                         if (dev_drv->trsm_ops->dsp_pwr_off)
 592                                 dev_drv->trsm_ops->dsp_pwr_off();
 593                 }
 594                 break;
 595         case SCREEN_UNPREPARE_DDR_CHANGE:
 596                 if (screen->type == SCREEN_MIPI
 597                         || screen->type == SCREEN_DUAL_MIPI) {
 598                         if (dev_drv->trsm_ops->dsp_pwr_on)
 599                                 dev_drv->trsm_ops->dsp_pwr_on();
 600                 }
 601                 break;
 602         default:
 603                 break;
 604         }
 605
 606         return 0;
 607 }
 608
 609 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 610 {
 611         struct rk_fb *inf = NULL;
 612         struct rk_lcdc_driver *dev_drv = NULL;
 613         int i = 0;
 614
 615         if (likely(fb_pdev))
 616                 inf = platform_get_drvdata(fb_pdev);
 617         else
 618                 return NULL;
 619
 620         for (i = 0; i < inf->num_lcdc; i++) {
 621                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
 622                         dev_drv = inf->lcdc_dev_drv[i];
 623                         break;
 624                 }
 625         }
 626
 627         return dev_drv;
 628 }
 629
 630 u32 rk_fb_get_prmry_screen_pixclock(void)
 631 {
 632         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 633
 634         if (unlikely(!dev_drv))
 635                 return 0;
 636         else
 637                 return dev_drv->pixclock;
 638 }
 639
 640 int rk_fb_poll_prmry_screen_vblank(void)
 641 {
 642         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 643
 644         if (likely(dev_drv)) {
 645                 if (dev_drv->ops->poll_vblank)
 646                         return dev_drv->ops->poll_vblank(dev_drv);
 647                 else
 648                         return RK_LF_STATUS_NC;
 649         } else {
 650                 return RK_LF_STATUS_NC;
 651         }
 652 }
 653
 654 bool rk_fb_poll_wait_frame_complete(void)
 655 {
 656         uint32_t timeout = RK_LF_MAX_TIMEOUT;
 657         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
 658
 659         if (likely(dev_drv)) {
 660                 if (dev_drv->ops->set_irq_to_cpu)
 661                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
 662         }
 663
 664         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
 665                 if (likely(dev_drv)) {
 666                         if (dev_drv->ops->set_irq_to_cpu)
 667                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 668                 }
 669                 return false;
 670         }
 671         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
 672                 ;
 673         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
 674                 ;
 675         if (likely(dev_drv)) {
 676                 if (dev_drv->ops->set_irq_to_cpu)
 677                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
 678         }
 679
 680         return true;
 681 }
 682
 683 static int rk_fb_open(struct fb_info *info, int user)
 684 {
 685         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 686         int win_id;
 687
 688         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 689         dev_drv->win[win_id]->logicalstate++;
 690         /* if this win aready opened ,no need to reopen */
 691         if (dev_drv->win[win_id]->state)
 692                 return 0;
 693         else
 694                 dev_drv->ops->open(dev_drv, win_id, 1);
 695         return 0;
 696 }
 697
 698 static int get_extend_fb_id(struct fb_info *info)
 699 {
 700         int fb_id = 0;
 701         char *id = info->fix.id;
 702         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 703
 704         if (!strcmp(id, "fb0"))
 705                 fb_id = 0;
 706         else if (!strcmp(id, "fb1"))
 707                 fb_id = 1;
 708         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
 709                 fb_id = 2;
 710         return fb_id;
 711 }
 712
 713 static int rk_fb_close(struct fb_info *info, int user)
 714 {
 715         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
 716         struct rk_lcdc_win *win = NULL;
 717         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
 718
 719         if (win_id >= 0) {
 720                 dev_drv->win[win_id]->logicalstate--;
 721                 if (!dev_drv->win[win_id]->logicalstate) {
 722                         win = dev_drv->win[win_id];
 723                         info->fix.smem_start = win->reserved;
 724                         info->var.xres = dev_drv->screen0->mode.xres;
 725                         info->var.yres = dev_drv->screen0->mode.yres;
 726                         /*
 727                         info->var.grayscale |=
 728                             (info->var.xres << 8) + (info->var.yres << 20);
 729                         */
 730                         info->var.xres_virtual = info->var.xres;
 731                         info->var.yres_virtual = info->var.yres;
 732 #if defined(CONFIG_LOGO_LINUX_BMP)
 733                         info->var.bits_per_pixel = 32;
 734 #else
 735                         info->var.bits_per_pixel = 16;
 736 #endif
 737                         info->fix.line_length =
 738                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
 739                         info->var.width = dev_drv->screen0->width;
 740                         info->var.height = dev_drv->screen0->height;
 741                         info->var.pixclock = dev_drv->pixclock;
 742                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
 743                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
 744                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
 745                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
 746                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
 747                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
 748                 }
 749         }
 750
 751         return 0;
 752 }
 753
 754
 755 #if defined(CONFIG_RK29_IPP)
 756 static int get_ipp_format(int fmt)
 757 {
 758         int ipp_fmt = IPP_XRGB_8888;
 759         switch (fmt) {
 760         case HAL_PIXEL_FORMAT_RGBX_8888:
 761         case HAL_PIXEL_FORMAT_RGBA_8888:
 762         case HAL_PIXEL_FORMAT_BGRA_8888:
 763         case HAL_PIXEL_FORMAT_RGB_888:
 764                 ipp_fmt = IPP_XRGB_8888;
 765                 break;
 766         case HAL_PIXEL_FORMAT_RGB_565:
 767                 ipp_fmt = IPP_RGB_565;
 768                 break;
 769         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
 770                 ipp_fmt = IPP_Y_CBCR_H2V1;
 771                 break;
 772         case HAL_PIXEL_FORMAT_YCrCb_NV12:
 773                 ipp_fmt = IPP_Y_CBCR_H2V2;
 774                 break;
 775         case HAL_PIXEL_FORMAT_YCrCb_444:
 776                 ipp_fmt = IPP_Y_CBCR_H1V1;
 777                 break;
 778         default:
 779                 ipp_fmt = IPP_IMGTYPE_LIMIT;
 780                 break;
 781         }
 782
 783         return ipp_fmt;
 784 }
 785
 786 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 787                           int rotation, int fmt)
 788 {
 789         int align16 = 2;
 790         int align64 = 8;
 791
 792         if (fmt == IPP_XRGB_8888) {
 793                 align16 = 1;
 794                 align64 = 2;
 795         } else if (fmt == IPP_RGB_565) {
 796                 align16 = 1;
 797                 align64 = 4;
 798         } else {
 799                 align16 = 2;
 800                 align64 = 8;
 801         }
 802         align16 -= 1;           /*for YUV, 1 */
 803         align64 -= 1;           /*for YUV, 7 */
 804
 805         if (rotation == IPP_ROT_0) {
 806                 if (fmt > IPP_RGB_565) {
 807                         if ((*dst_w & 1) != 0)
 808                                 *dst_w = *dst_w + 1;
 809                         if ((*dst_h & 1) != 0)
 810                                 *dst_h = *dst_h + 1;
 811                         if (*dst_vir_w < *dst_w)
 812                                 *dst_vir_w = *dst_w;
 813                 }
 814         } else {
 815                 if ((*dst_w & align64) != 0)
 816                         *dst_w = (*dst_w + align64) & (~align64);
 817                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
 818                         *dst_h = *dst_h + 1;
 819                 if (*dst_vir_w < *dst_w)
 820                         *dst_vir_w = *dst_w;
 821         }
 822 }
 823
 824 static void fb_copy_by_ipp(struct fb_info *dst_info,
 825                            struct fb_info *src_info, int offset)
 826 {
 827         struct rk29_ipp_req ipp_req;
 828         uint32_t rotation = 0;
 829         int dst_w, dst_h, dst_vir_w;
 830         int ipp_fmt;
 831         u8 data_format = (dst_info->var.nonstd) & 0xff;
 832         struct rk_lcdc_driver *ext_dev_drv =
 833                         (struct rk_lcdc_driver *)dst_info->par;
 834         u16 orientation = ext_dev_drv->rotate_mode;
 835
 836         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
 837
 838         switch (orientation) {
 839         case 0:
 840                 rotation = IPP_ROT_0;
 841                 break;
 842         case ROTATE_90:
 843                 rotation = IPP_ROT_90;
 844                 break;
 845         case ROTATE_180:
 846                 rotation = IPP_ROT_180;
 847                 break;
 848         case ROTATE_270:
 849                 rotation = IPP_ROT_270;
 850                 break;
 851         default:
 852                 rotation = IPP_ROT_270;
 853                 break;
 854         }
 855
 856         dst_w = dst_info->var.xres;
 857         dst_h = dst_info->var.yres;
 858         dst_vir_w = dst_info->var.xres_virtual;
 859         ipp_fmt = get_ipp_format(data_format);
 860         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
 861         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
 862         ipp_req.src0.w = src_info->var.xres;
 863         ipp_req.src0.h = src_info->var.yres;
 864         ipp_req.src_vir_w = src_info->var.xres_virtual;
 865         ipp_req.src0.fmt = ipp_fmt;
 866
 867         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
 868         ipp_req.dst0.w = dst_w;
 869         ipp_req.dst0.h = dst_h;
 870         ipp_req.dst_vir_w = dst_vir_w;
 871         ipp_req.dst0.fmt = ipp_fmt;
 872
 873         ipp_req.timeout = 100;
 874         ipp_req.flag = rotation;
 875         ipp_blit_sync(&ipp_req);
 876 }
 877
 878 #endif
 879
 880 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
 881 static int get_rga_format(int fmt)
 882 {
 883         int rga_fmt = 0;
 884
 885         switch (fmt) {
 886         case XBGR888:
 887                 rga_fmt = RK_FORMAT_RGBX_8888;
 888                 break;
 889         case ABGR888:
 890                 rga_fmt = RK_FORMAT_RGBA_8888;
 891                 break;
 892         case ARGB888:
 893                 rga_fmt = RK_FORMAT_BGRA_8888;
 894                 break;
 895         case RGB888:
 896                 rga_fmt = RK_FORMAT_RGB_888;
 897                 break;
 898         case RGB565:
 899                 rga_fmt = RK_FORMAT_RGB_565;
 900                 break;
 901         case YUV422:
 902                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
 903                 break;
 904         case YUV420:
 905                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
 906                 break;
 907         default:
 908                 rga_fmt = RK_FORMAT_RGBA_8888;
 909                 break;
 910         }
 911
 912         return rga_fmt;
 913 }
 914
 915 static void rga_win_check(struct rk_lcdc_win *dst_win,
 916                           struct rk_lcdc_win *src_win)
 917 {
 918         int align32 = 4;
 919
 920         align32 -= 1;
 921         /*width and height must be aligned by 32 bit */
 922         if ((src_win->area[0].xact & align32) != 0)
 923                 src_win->area[0].xact =
 924                     (src_win->area[0].xact + align32) & (~align32);
 925         if ((src_win->area[0].yact & align32) != 0)
 926                 src_win->area[0].yact =
 927                     (src_win->area[0].yact + align32) & (~align32);
 928         if (src_win->area[0].xvir < src_win->area[0].xact)
 929                 src_win->area[0].xvir = src_win->area[0].xact;
 930         if (src_win->area[0].yvir < src_win->area[0].yact)
 931                 src_win->area[0].yvir = src_win->area[0].yact;
 932
 933         if ((dst_win->area[0].xact & align32) != 0)
 934                 dst_win->area[0].xact =
 935                     (dst_win->area[0].xact + align32) & (~align32);
 936         if ((dst_win->area[0].yact & align32) != 0)
 937                 dst_win->area[0].yact =
 938                     (dst_win->area[0].yact + align32) & (~align32);
 939         if (dst_win->area[0].xvir < dst_win->area[0].xact)
 940                 dst_win->area[0].xvir = dst_win->area[0].xact;
 941         if (dst_win->area[0].yvir < dst_win->area[0].yact)
 942                 dst_win->area[0].yvir = dst_win->area[0].yact;
 943 }
 944
 945 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
 946                             struct rk_lcdc_win *src_win, u16 orientation)
 947 {
 948         struct rga_req Rga_Request;
 949         long ret = 0;
 950         /* int fd = 0; */
 951
 952         memset(&Rga_Request, 0, sizeof(Rga_Request));
 953         rga_win_check(dst_win, src_win);
 954
 955         switch (orientation) {
 956         case ROTATE_90:
 957                 Rga_Request.rotate_mode = 1;
 958                 Rga_Request.sina = 65536;
 959                 Rga_Request.cosa = 0;
 960                 Rga_Request.dst.act_w = dst_win->area[0].yact;
 961                 Rga_Request.dst.act_h = dst_win->area[0].xact;
 962                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 963                 Rga_Request.dst.y_offset = 0;
 964                 break;
 965         case ROTATE_180:
 966                 Rga_Request.rotate_mode = 1;
 967                 Rga_Request.sina = 0;
 968                 Rga_Request.cosa = -65536;
 969                 Rga_Request.dst.act_w = dst_win->area[0].xact;
 970                 Rga_Request.dst.act_h = dst_win->area[0].yact;
 971                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 972                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 973                 break;
 974         case ROTATE_270:
 975                 Rga_Request.rotate_mode = 1;
 976                 Rga_Request.sina = -65536;
 977                 Rga_Request.cosa = 0;
 978                 Rga_Request.dst.act_w = dst_win->area[0].yact;
 979                 Rga_Request.dst.act_h = dst_win->area[0].xact;
 980                 Rga_Request.dst.x_offset = 0;
 981                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 982                 break;
 983         default:
 984                 Rga_Request.rotate_mode = 0;
 985                 Rga_Request.dst.act_w = dst_win->area[0].xact;
 986                 Rga_Request.dst.act_h = dst_win->area[0].yact;
 987                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
 988                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
 989                 break;
 990         }
 991
 992 #if defined(CONFIG_ROCKCHIP_RGA)
 993         Rga_Request.src.yrgb_addr =
 994             src_win->area[0].smem_start + src_win->area[0].y_offset;
 995         Rga_Request.src.uv_addr = 0;
 996         Rga_Request.src.v_addr = 0;
 997
 998         Rga_Request.dst.yrgb_addr =
 999             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1000         Rga_Request.dst.uv_addr = 0;
1001         Rga_Request.dst.v_addr = 0;
1002 #elif defined(CONFIG_ROCKCHIP_RGA2)
1003 /*
1004         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1005         Rga_Request.src.yrgb_addr = fd;
1006         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1007         Rga_Request.dst.yrgb_addr = fd;
1008 */
1009         Rga_Request.src.yrgb_addr = 0;
1010         Rga_Request.src.uv_addr =
1011             src_win->area[0].smem_start + src_win->area[0].y_offset;
1012         Rga_Request.src.v_addr = 0;
1013
1014         Rga_Request.dst.yrgb_addr = 0;
1015         Rga_Request.dst.uv_addr =
1016             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1017         Rga_Request.dst.v_addr = 0;
1018 #endif
1019
1020         Rga_Request.src.vir_w = src_win->area[0].xvir;
1021         Rga_Request.src.vir_h = src_win->area[0].yvir;
1022         Rga_Request.src.format = get_rga_format(src_win->format);
1023         Rga_Request.src.act_w = src_win->area[0].xact;
1024         Rga_Request.src.act_h = src_win->area[0].yact;
1025         Rga_Request.src.x_offset = 0;
1026         Rga_Request.src.y_offset = 0;
1027
1028         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1029         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1030         Rga_Request.dst.format = get_rga_format(dst_win->format);
1031
1032         Rga_Request.clip.xmin = 0;
1033         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1034         Rga_Request.clip.ymin = 0;
1035         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1036         Rga_Request.scale_mode = 0;
1037 #if defined(CONFIG_ROCKCHIP_IOMMU)
1038         Rga_Request.mmu_info.mmu_en = 1;        /* TODO Modify for use mmu */
1039         Rga_Request.mmu_info.mmu_flag = 1;
1040 #else
1041         Rga_Request.mmu_info.mmu_en = 0;
1042         Rga_Request.mmu_info.mmu_flag = 0;
1043 #endif
1044
1045         ret = rga_ioctl_kernel(&Rga_Request);
1046 }
1047
1048 /*
1049  * This function is used for copying fb by RGA Module
1050  * RGA only support copy RGB to RGB
1051  * RGA2 support copy RGB to RGB and YUV to YUV
1052  */
1053 static void fb_copy_by_rga(struct fb_info *dst_info, struct fb_info *src_info,
1054                            int yrgb_offset)
1055 {
1056         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1057         struct rk_lcdc_driver *ext_dev_drv =
1058             (struct rk_lcdc_driver *)dst_info->par;
1059         int win_id = 0, ext_win_id;
1060         struct rk_lcdc_win *src_win, *dst_win;
1061
1062         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1063         src_win = dev_drv->win[win_id];
1064
1065         ext_win_id =
1066             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1067         dst_win = ext_dev_drv->win[ext_win_id];
1068
1069         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode);
1070 }
1071
1072 #endif
1073
1074 static int rk_fb_rotate(struct fb_info *dst_info,
1075                         struct fb_info *src_info, int offset)
1076 {
1077 #if defined(CONFIG_RK29_IPP)
1078         fb_copy_by_ipp(dst_info, src_info, offset);
1079 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1080         fb_copy_by_rga(dst_info, src_info, offset);
1081 #else
1082         return -1;
1083 #endif
1084         return 0;
1085 }
1086
1087 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1088                             struct rk_lcdc_win *src_win, u16 rotate)
1089 {
1090 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1091         win_copy_by_rga(dst_win, src_win, rotate);
1092 #else
1093         return -1;
1094 #endif
1095         return 0;
1096 }
1097
1098
1099 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1100                              struct fb_info *info)
1101 {
1102         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1103         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1104         struct fb_fix_screeninfo *fix = &info->fix;
1105         struct fb_info *extend_info = NULL;
1106         struct rk_lcdc_driver *extend_dev_drv = NULL;
1107         int win_id = 0, extend_win_id = 0;
1108         struct rk_lcdc_win *extend_win = NULL;
1109         struct rk_lcdc_win *win = NULL;
1110         struct rk_screen *screen = dev_drv->cur_screen;
1111         int fb_id = 0;
1112
1113         u32 xoffset = var->xoffset;
1114         u32 yoffset = var->yoffset;
1115         u32 xvir = var->xres_virtual;
1116         /* u32 yvir = var->yres_virtual; */
1117         /* u8 data_format = var->nonstd&0xff; */
1118
1119         u8 pixel_width;
1120         u32 vir_width_bit;
1121         u32 stride, uv_stride;
1122         u32 stride_32bit_1;
1123         u32 stride_32bit_2;
1124         u16 uv_x_off, uv_y_off, uv_y_act;
1125         u8 is_pic_yuv = 0;
1126
1127         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1128         if (win_id < 0)
1129                 return -ENODEV;
1130         else
1131                 win = dev_drv->win[win_id];
1132
1133         if (rk_fb->disp_mode == DUAL) {
1134                 fb_id = get_extend_fb_id(info);
1135                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1136                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1137                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1138                                                            extend_info->fix.id);
1139                 extend_win = extend_dev_drv->win[extend_win_id];
1140         }
1141
1142         pixel_width = rk_fb_pixel_width(win->format);
1143         vir_width_bit = pixel_width * xvir;
1144         /* pixel_width = byte_num * 8 */
1145         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1146         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1147
1148         switch (win->format) {
1149         case YUV422:
1150         case YUV422_A:
1151                 is_pic_yuv = 1;
1152                 stride = stride_32bit_1;
1153                 uv_stride = stride_32bit_1 >> 1;
1154                 uv_x_off = xoffset >> 1;
1155                 uv_y_off = yoffset;
1156                 fix->line_length = stride;
1157                 uv_y_act = win->area[0].yact >> 1;
1158                 break;
1159         case YUV420:            /* 420sp */
1160         case YUV420_A:
1161                 is_pic_yuv = 1;
1162                 stride = stride_32bit_1;
1163                 uv_stride = stride_32bit_1;
1164                 uv_x_off = xoffset;
1165                 uv_y_off = yoffset >> 1;
1166                 fix->line_length = stride;
1167                 uv_y_act = win->area[0].yact >> 1;
1168                 break;
1169         case YUV444:
1170         case YUV444_A:
1171                 is_pic_yuv = 1;
1172                 stride = stride_32bit_1;
1173                 uv_stride = stride_32bit_2;
1174                 uv_x_off = xoffset * 2;
1175                 uv_y_off = yoffset;
1176                 fix->line_length = stride << 2;
1177                 uv_y_act = win->area[0].yact;
1178                 break;
1179         default:
1180                 stride = stride_32bit_1;        /* default rgb */
1181                 fix->line_length = stride;
1182                 break;
1183         }
1184
1185         /* x y mirror ,jump line */
1186         if (screen->y_mirror == 1) {
1187                 if (screen->interlace == 1) {
1188                         win->area[0].y_offset = yoffset * stride * 2 +
1189                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1190                             xoffset * pixel_width / 8;
1191                 } else {
1192                         win->area[0].y_offset = yoffset * stride +
1193                             (win->area[0].yact - 1) * stride +
1194                             xoffset * pixel_width / 8;
1195                 }
1196         } else {
1197                 if (screen->interlace == 1) {
1198                         win->area[0].y_offset =
1199                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1200                 } else {
1201                         win->area[0].y_offset =
1202                             yoffset * stride + xoffset * pixel_width / 8;
1203                 }
1204         }
1205         if (is_pic_yuv == 1) {
1206                 if (screen->y_mirror == 1) {
1207                         if (screen->interlace == 1) {
1208                                 win->area[0].c_offset =
1209                                     uv_y_off * uv_stride * 2 +
1210                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1211                                     uv_x_off * pixel_width / 8;
1212                         } else {
1213                                 win->area[0].c_offset = uv_y_off * uv_stride +
1214                                     (uv_y_act - 1) * uv_stride +
1215                                     uv_x_off * pixel_width / 8;
1216                         }
1217                 } else {
1218                         if (screen->interlace == 1) {
1219                                 win->area[0].c_offset =
1220                                     uv_y_off * uv_stride * 2 +
1221                                     uv_x_off * pixel_width / 8;
1222                         } else {
1223                                 win->area[0].c_offset =
1224                                     uv_y_off * uv_stride +
1225                                     uv_x_off * pixel_width / 8;
1226                         }
1227                 }
1228         }
1229
1230         win->area[0].smem_start = fix->smem_start;
1231         win->area[0].cbr_start = fix->mmio_start;
1232         win->area[0].state = 1;
1233         win->area_num = 1;
1234         win->state = 1;
1235
1236         dev_drv->ops->pan_display(dev_drv, win_id);
1237         if (rk_fb->disp_mode == DUAL) {
1238                 if (extend_win->state && (hdmi_switch_complete)) {
1239                         extend_win->area[0].y_offset = win->area[0].y_offset;
1240                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR) {
1241                                 rk_fb_rotate(extend_info, info,
1242                                                 win->area[0].y_offset);
1243                         } else {
1244                                 extend_win->area[0].smem_start =
1245                                                 win->area[0].smem_start;
1246                                 extend_win->area[0].cbr_start =
1247                                                 win->area[0].cbr_start;
1248                         }
1249                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1250                                                          extend_win_id);
1251                 }
1252         }
1253 #ifdef  CONFIG_FB_MIRRORING
1254         if (video_data_to_mirroring)
1255                 video_data_to_mirroring(info, NULL);
1256 #endif
1257         dev_drv->ops->cfg_done(dev_drv);
1258         return 0;
1259 }
1260
1261 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1262 {
1263         int i, j;
1264
1265         i = list_empty(&dev_drv->update_regs_list);
1266         j = list_empty(&saved_list);
1267         return i == j ? 0 : 1;
1268 }
1269
1270 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1271 {
1272         int err = sync_fence_wait(fence, 1000);
1273
1274         if (err >= 0)
1275                 return;
1276
1277         if (err == -ETIME)
1278                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1279
1280         if (err < 0)
1281                 printk("error waiting on fence\n");
1282 }
1283
1284 static int rk_fb_copy_from_loader(struct fb_info *info)
1285 {
1286         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1287         void *dst = info->screen_base;
1288         u32 dsp_addr[4];
1289         u32 src;
1290         u32 i;
1291         struct rk_lcdc_win *win = dev_drv->win[0];
1292         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1293         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1294         src = dsp_addr[0];
1295         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1296                  win->area[0].xact, win->area[0].yact, src);
1297         for (i = 0; i < size; i += PAGE_SIZE) {
1298                 void *page = phys_to_page(i + src);
1299                 void *from_virt = kmap(page);
1300                 void *to_virt = dst + i;
1301                 memcpy(to_virt, from_virt, PAGE_SIZE);
1302         }
1303         return 0;
1304 }
1305
1306 #ifdef CONFIG_ROCKCHIP_IOMMU
1307 static int g_last_addr[4];
1308 int g_last_timeout;
1309 u32 freed_addr[10];
1310 u32 freed_index;
1311
1312 #define DUMP_CHUNK 256
1313 char buf[PAGE_SIZE];
1314
1315 int rk_fb_sysmmu_fault_handler(struct device *dev,
1316                                enum rk_sysmmu_inttype itype,
1317                                unsigned long pgtable_base,
1318                                unsigned long fault_addr, unsigned int status)
1319 {
1320         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1321         int i = 0;
1322         static int page_fault_cnt;
1323         if ((page_fault_cnt++) >= 10)
1324                 return 0;
1325         pr_err
1326             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1327              fault_addr, pgtable_base, status);
1328         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1329                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1330                g_last_addr[2], g_last_addr[3]);
1331         printk("last freed buffer:\n");
1332         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1333                 printk("%d:0x%08x\n", i, freed_addr[i]);
1334         printk("last timeout:%d\n", g_last_timeout);
1335         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1336         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1337                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1338                         char c = buf[i + DUMP_CHUNK];
1339                         buf[i + DUMP_CHUNK] = 0;
1340                         pr_cont("%s", buf + i);
1341                         buf[i + DUMP_CHUNK] = c;
1342                 } else {
1343                         buf[PAGE_SIZE - 1] = 0;
1344                         pr_cont("%s", buf + i);
1345                 }
1346         }
1347
1348         return 0;
1349 }
1350 #endif
1351
1352 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1353                         struct rk_fb_reg_win_data *reg_win_data)
1354 {
1355         int i, index_buf;
1356         struct rk_fb_reg_area_data *area_data;
1357         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1358
1359         for (i = 0; i < reg_win_data->area_num; i++) {
1360                 area_data = &reg_win_data->reg_area_data[i];
1361                 index_buf = area_data->index_buf;
1362 #if defined(CONFIG_ROCKCHIP_IOMMU)
1363                 if (dev_drv->iommu_enabled) {
1364                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1365                                         area_data->ion_handle);
1366                         freed_addr[freed_index++] = area_data->smem_start;
1367                 }
1368 #endif
1369                 if (area_data->ion_handle != NULL) {
1370                         ion_unmap_kernel(rk_fb->ion_client,
1371                                          area_data->ion_handle);
1372                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1373                 }
1374                 if (area_data->acq_fence)
1375                         sync_fence_put(area_data->acq_fence);
1376         }
1377         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1378 }
1379
1380 static void rk_fb_update_driver(struct rk_lcdc_win *win,
1381                                 struct rk_fb_reg_win_data *reg_win_data)
1382 {
1383         int i = 0;
1384
1385         win->area_num = reg_win_data->area_num;
1386         win->format = reg_win_data->data_format;
1387         win->id = reg_win_data->win_id;
1388         win->z_order = reg_win_data->z_order;
1389
1390         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1391                 win->state = 1;
1392                 win->area_num = reg_win_data->area_num;
1393                 win->format = reg_win_data->data_format;
1394                 win->id = reg_win_data->win_id;
1395                 win->z_order = reg_win_data->z_order;
1396                 win->area[0].uv_vir_stride =
1397                     reg_win_data->reg_area_data[0].uv_vir_stride;
1398                 win->area[0].cbr_start =
1399                     reg_win_data->reg_area_data[0].cbr_start;
1400                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1401                 win->alpha_en = reg_win_data->alpha_en;
1402                 win->alpha_mode = reg_win_data->alpha_mode;
1403                 win->g_alpha_val = reg_win_data->g_alpha_val;
1404                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1405                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1406                                 win->area[i].smem_start =
1407                                     reg_win_data->reg_area_data[i].smem_start;
1408                                 win->area[i].xpos =
1409                                     reg_win_data->reg_area_data[i].xpos;
1410                                 win->area[i].ypos =
1411                                     reg_win_data->reg_area_data[i].ypos;
1412                                 win->area[i].xsize =
1413                                     reg_win_data->reg_area_data[i].xsize;
1414                                 win->area[i].ysize =
1415                                     reg_win_data->reg_area_data[i].ysize;
1416                                 win->area[i].xact =
1417                                     reg_win_data->reg_area_data[i].xact;
1418                                 win->area[i].yact =
1419                                     reg_win_data->reg_area_data[i].yact;
1420                                 win->area[i].xvir =
1421                                     reg_win_data->reg_area_data[i].xvir;
1422                                 win->area[i].yvir =
1423                                     reg_win_data->reg_area_data[i].yvir;
1424                                 win->area[i].y_offset =
1425                                     reg_win_data->reg_area_data[i].y_offset;
1426                                 win->area[i].y_vir_stride =
1427                                     reg_win_data->reg_area_data[i].y_vir_stride;
1428                                 win->area[i].state = 1;
1429                         } else {
1430                                 win->area[i].state = 0;
1431                         }
1432                 }
1433         } else {
1434         /*
1435                 win->state = 0;
1436                 win->z_order = -1;
1437         */
1438         }
1439 }
1440
1441 static int rk_fb_update_hdmi_win(struct rk_lcdc_win *ext_win,
1442                                  struct rk_lcdc_win *win)
1443 {
1444         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1445         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1446         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1447         struct rk_screen *screen;
1448         struct rk_screen *ext_screen;
1449         int hdmi_xsize;
1450         int hdmi_ysize;
1451         int pixel_width, vir_width_bit, y_stride;
1452         struct rk_lcdc_win *last_win;
1453         bool is_yuv = false;
1454         static u8 fb_index = 0;
1455
1456         if ((rk_fb->disp_mode != DUAL) ||
1457                 (hdmi_get_hotplug() != HDMI_HPD_ACTIVED) ||
1458                 (!hdmi_switch_complete)) {
1459                 printk(KERN_INFO "%s: hdmi is disconnect!\n", __func__);
1460                 return -1;
1461         }
1462
1463         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
1464                 return -1;
1465
1466         screen = dev_drv->cur_screen;
1467         ext_screen = ext_dev_drv->cur_screen;
1468         hdmi_xsize = ext_screen->xsize;
1469         hdmi_ysize = ext_screen->ysize;
1470
1471         ext_win->state = win->state;
1472         ext_win->id = win->id;
1473         if (win->area[0].smem_start == 0)
1474                 ext_win->state = 0;
1475         if (ext_win->state == 0)
1476                 return 0;
1477
1478         ext_win->area_num = win->area_num;
1479         ext_win->format = win->format;
1480         ext_win->z_order = win->z_order;
1481         ext_win->alpha_en = win->alpha_en;
1482         ext_win->alpha_mode = win->alpha_mode;
1483         ext_win->g_alpha_val = win->g_alpha_val;
1484
1485         /* win0 and win1 have only one area and support scale
1486          * but win2 and win3 don't support scale
1487          * so hdmi only use win0 or win1
1488          */
1489         ext_win->area[0].state = win->area[0].state;
1490
1491         switch (ext_win->format) {
1492         case YUV422:
1493         case YUV420:
1494         case YUV444:
1495         case YUV422_A:
1496         case YUV420_A:
1497         case YUV444_A:
1498                 is_yuv = true;
1499                 break;
1500         default:
1501                 is_yuv = false;
1502                 break;
1503         }
1504
1505         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1506                         ext_dev_drv->rotate_mode == ROTATE_270) {
1507                 if (ext_win->id == 0) {
1508                         ext_win->area[0].smem_start =
1509                                 rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1510                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1511                         if ((++fb_index) > 1)
1512                                 fb_index = 0;
1513                 } else {
1514                         ext_win->area[0].y_offset = 0;
1515                         last_win = ext_dev_drv->win[ext_win->id - 1];
1516                         if (last_win->area[0].cbr_start)
1517                                 ext_win->area[0].smem_start =
1518                                         last_win->area[0].cbr_start +
1519                                         last_win->area[0].c_offset +
1520                                         last_win->area[0].xvir * last_win->area[0].yvir;
1521                         else
1522                                 ext_win->area[0].smem_start =
1523                                         last_win->area[0].smem_start +
1524                                         last_win->area[0].y_offset +
1525                                         last_win->area[0].xvir * last_win->area[0].yvir;
1526                 }
1527
1528                 ext_win->area[0].xact = win->area[0].yact;
1529                 ext_win->area[0].yact = win->area[0].xact;
1530                 ext_win->area[0].xvir = win->area[0].yact;
1531                 ext_win->area[0].yvir = win->area[0].xact;
1532                 pixel_width = rk_fb_pixel_width(ext_win->format);
1533                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1534                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1535                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1536         } else {
1537                 ext_win->area[0].smem_start = win->area[0].smem_start;
1538                 ext_win->area[0].y_offset = win->area[0].y_offset;
1539                 ext_win->area[0].xact = win->area[0].xact;
1540                 ext_win->area[0].yact = win->area[0].yact;
1541                 ext_win->area[0].xvir = win->area[0].xvir;
1542                 ext_win->area[0].yvir = win->area[0].yvir;
1543                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1544         }
1545
1546         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1547                 if (ext_dev_drv->rotate_mode == ROTATE_270) {
1548                         int xbom_pos = 0, ybom_pos = 0;
1549                         int xtop_pos = 0, ytop_pos = 0;
1550
1551                         ext_win->area[0].xsize = hdmi_xsize *
1552                                                 win->area[0].ysize /
1553                                                 screen->mode.yres;
1554                         ext_win->area[0].ysize = hdmi_ysize *
1555                                                 win->area[0].xsize /
1556                                                 screen->mode.xres;
1557                         xbom_pos = hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1558                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1559                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1560                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1561                         ext_win->area[0].xpos =
1562                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1563                         ext_win->area[0].ypos =
1564                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1565                 } else if (ext_dev_drv->rotate_mode == ROTATE_90) {
1566                         ext_win->area[0].xsize = hdmi_xsize *
1567                                                 win->area[0].ysize /
1568                                                 screen->mode.yres;
1569                         ext_win->area[0].ysize = hdmi_ysize *
1570                                                 win->area[0].xsize /
1571                                                 screen->mode.xres;
1572                         ext_win->area[0].xpos =
1573                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1574                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1575                         ext_win->area[0].ypos =
1576                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1577                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1578                 } else {
1579                         ext_win->area[0].xsize = hdmi_xsize *
1580                                                 win->area[0].xsize /
1581                                                 screen->mode.xres;
1582                         ext_win->area[0].ysize = hdmi_ysize *
1583                                                 win->area[0].ysize /
1584                                                 screen->mode.yres;
1585                         ext_win->area[0].xpos =
1586                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1587                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1588                         ext_win->area[0].ypos =
1589                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1590                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1591                 }
1592         } else {
1593                 ext_win->area[0].xsize = hdmi_xsize;
1594                 ext_win->area[0].ysize = hdmi_ysize;
1595                 ext_win->area[0].xpos =
1596                                 (ext_screen->mode.xres - hdmi_xsize) >> 1;
1597                 ext_win->area[0].ypos =
1598                                 (ext_screen->mode.yres - hdmi_ysize) >> 1;
1599         }
1600
1601         if (!is_yuv) {
1602                 ext_win->area[0].uv_vir_stride = 0;
1603                 ext_win->area[0].cbr_start = 0;
1604                 ext_win->area[0].c_offset = 0;
1605                 return 0;
1606         }
1607
1608         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1609                 ext_dev_drv->rotate_mode == ROTATE_270) {
1610                 ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1611                 ext_win->area[0].cbr_start = ext_win->area[0].smem_start +
1612                                 ext_win->area[0].y_offset +
1613                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1614                 ext_win->area[0].c_offset = win->area[0].c_offset;
1615         } else {
1616                 ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1617                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1618                 ext_win->area[0].c_offset = win->area[0].c_offset;
1619         }
1620
1621         return 0;
1622 }
1623
1624 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1625                                                      *regs, int win_id)
1626 {
1627         int i;
1628         struct rk_fb_reg_win_data *win_data = NULL;
1629         for (i = 0; i < regs->win_num; i++) {
1630                 if (regs->reg_win_data[i].win_id == win_id) {
1631                         win_data = &(regs->reg_win_data[i]);
1632                         break;
1633                 }
1634         }
1635
1636         return win_data;
1637 }
1638
1639 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1640                              struct rk_fb_reg_data *regs)
1641 {
1642         int i, j;
1643         struct rk_lcdc_win *win;
1644         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1645         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1646         struct rk_lcdc_driver *ext_dev_drv;
1647         struct rk_lcdc_win *ext_win;
1648         struct rk_fb_reg_win_data *win_data;
1649         bool wait_for_vsync;
1650         int count = 100;
1651         unsigned int dsp_addr[4];
1652         long timeout;
1653
1654         /* acq_fence wait */
1655         for (i = 0; i < regs->win_num; i++) {
1656                 win_data = &regs->reg_win_data[i];
1657                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1658                         if (win_data->reg_area_data[j].acq_fence) {
1659                                 /* printk("acq_fence wait!!!!!\n"); */
1660                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1661                         }
1662                 }
1663         }
1664
1665         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1666                 win = dev_drv->win[i];
1667                 win_data = rk_fb_get_win_data(regs, i);
1668                 if (win_data) {
1669                         rk_fb_update_driver(win, win_data);
1670                         win->state = 1;
1671                         dev_drv->ops->set_par(dev_drv, i);
1672                         dev_drv->ops->pan_display(dev_drv, i);
1673 #if defined(CONFIG_ROCKCHIP_IOMMU)
1674                         if (dev_drv->iommu_enabled) {
1675                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1676                                         win_data->reg_area_data[0].y_offset;
1677                         }
1678 #endif
1679                 } else {
1680                         win->z_order = -1;
1681                         win->state = 0;
1682                 }
1683         }
1684         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1685
1686         if ((rk_fb->disp_mode == DUAL)
1687             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1688             && hdmi_switch_complete) {
1689                 ext_dev_drv = rk_get_extend_lcdc_drv();
1690                 if (!ext_dev_drv) {
1691                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1692                         goto ext_win_exit;
1693                 }
1694
1695                 /* win0 and win1 have only one area and support scale
1696                  * but win2 and win3 don't support scale
1697                  * so hdmi only use win0 or win1
1698                  */
1699                 for (i = 0; i < 2; i++) {
1700                         win = dev_drv->win[i];
1701                         ext_win = ext_dev_drv->win[i];
1702                         ext_win->state = win->state;
1703                         if (!ext_win->state)
1704                                 continue;
1705
1706                         rk_fb_update_hdmi_win(ext_win, win);
1707
1708                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1709                                 rk_fb_win_rotate(ext_win, win,
1710                                                  ext_dev_drv->rotate_mode);
1711
1712                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1713                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1714                 }
1715
1716                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1717         }
1718 ext_win_exit:
1719         dev_drv->ops->cfg_done(dev_drv);
1720
1721         do {
1722                 timestamp = dev_drv->vsync_info.timestamp;
1723                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1724                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1725                                 msecs_to_jiffies(25));
1726                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1727                 wait_for_vsync = false;
1728                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1729                         if (dev_drv->win[i]->state == 1) {
1730                                 u32 new_start =
1731                                     dev_drv->win[i]->area[0].smem_start +
1732                                     dev_drv->win[i]->area[0].y_offset;
1733                                 u32 reg_start = dsp_addr[i];
1734
1735                                 if (unlikely(new_start != reg_start)) {
1736                                         wait_for_vsync = true;
1737                                         dev_info(dev_drv->dev,
1738                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1739                                                i, new_start, reg_start, 101 - count);
1740                                         break;
1741                                 }
1742                         }
1743                 }
1744         } while (wait_for_vsync && count--);
1745 #ifdef H_USE_FENCE
1746         sw_sync_timeline_inc(dev_drv->timeline, 1);
1747 #endif
1748         if (!g_first_buf) {
1749 #if defined(CONFIG_ROCKCHIP_IOMMU)
1750                 if (dev_drv->iommu_enabled) {
1751                         freed_index = 0;
1752                         g_last_timeout = timeout;
1753                 }
1754 #endif
1755                 for (i = 0; i < g_last_win_num; i++)
1756                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1757
1758 #if defined(CONFIG_ROCKCHIP_IOMMU)
1759                 if (dev_drv->iommu_enabled)
1760                         freed_addr[freed_index] = 0xfefefefe;
1761 #endif
1762         }
1763         for (i = 0; i < regs->win_num; i++) {
1764                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1765                        sizeof(struct rk_fb_reg_win_data));
1766         }
1767         g_last_win_num = regs->win_num;
1768         g_first_buf = 0;
1769 }
1770
1771 static void rk_fb_update_regs_handler(struct kthread_work *work)
1772 {
1773         struct rk_lcdc_driver *dev_drv =
1774             container_of(work, struct rk_lcdc_driver, update_regs_work);
1775         struct rk_fb_reg_data *data, *next;
1776         /* struct list_head saved_list; */
1777
1778         mutex_lock(&dev_drv->update_regs_list_lock);
1779         saved_list = dev_drv->update_regs_list;
1780         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1781         mutex_unlock(&dev_drv->update_regs_list_lock);
1782
1783         list_for_each_entry_safe(data, next, &saved_list, list) {
1784                 rk_fb_update_reg(dev_drv, data);
1785                 list_del(&data->list);
1786                 kfree(data);
1787         }
1788
1789         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1790                 wake_up(&dev_drv->update_regs_wait);
1791 }
1792
1793 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1794                                   struct rk_screen *screen)
1795 {
1796         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1797             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1798             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1799                 pr_err("check config var fail 0:\n"
1800                        "x_offset=%d,xact=%d,xvir=%d\n",
1801                        area_par->x_offset, area_par->xact, area_par->xvir);
1802                 return -EINVAL;
1803         }
1804
1805         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1806             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1807             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1808                 pr_err("check config var fail 1:\n"
1809                        "xpos=%d,xsize=%d,xres=%d\n"
1810                        "ypos=%d,ysize=%d,yres=%d\n",
1811                        area_par->xpos, area_par->xsize, screen->mode.xres,
1812                        area_par->ypos, area_par->ysize, screen->mode.yres);
1813                 return -EINVAL;
1814         }
1815         return 0;
1816 }
1817
1818 static int rk_fb_set_win_buffer(struct fb_info *info,
1819                                 struct rk_fb_win_par *win_par,
1820                                 struct rk_fb_reg_win_data *reg_win_data)
1821 {
1822         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1823         struct fb_fix_screeninfo *fix = &info->fix;
1824         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1825         struct rk_screen *screen = dev_drv->cur_screen;
1826         struct fb_info *fbi = rk_fb->fb[0];
1827         int i, ion_fd, acq_fence_fd;
1828         u32 xvir, yvir;
1829         u32 xoffset, yoffset;
1830
1831         struct ion_handle *hdl;
1832         size_t len;
1833         int index_buf;
1834         u8 fb_data_fmt;
1835         u8 pixel_width;
1836         u32 vir_width_bit;
1837         u32 stride, uv_stride;
1838         u32 stride_32bit_1;
1839         u32 stride_32bit_2;
1840         u16 uv_x_off, uv_y_off, uv_y_act;
1841         u8 is_pic_yuv = 0;
1842         u8 ppixel_a = 0, global_a = 0;
1843         ion_phys_addr_t phy_addr;
1844
1845         reg_win_data->reg_area_data[0].smem_start = -1;
1846         reg_win_data->area_num = 0;
1847         fbi = rk_fb->fb[reg_win_data->win_id];
1848         if (win_par->area_par[0].phy_addr == 0) {
1849                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1850                         ion_fd = win_par->area_par[i].ion_fd;
1851                         if (ion_fd > 0) {
1852                                 hdl =
1853                                     ion_import_dma_buf(rk_fb->ion_client,
1854                                                        ion_fd);
1855                                 if (IS_ERR(hdl)) {
1856                                         pr_info
1857                                             ("%s: Could not import handle: %d\n",
1858                                              __func__, (int)hdl);
1859                                         /*return -EINVAL; */
1860                                         break;
1861                                 }
1862                                 fbi->screen_base =
1863                                     ion_map_kernel(rk_fb->ion_client, hdl);
1864                                 reg_win_data->area_num++;
1865                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1866 #ifndef CONFIG_ROCKCHIP_IOMMU
1867                                 ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1868                                          &len);
1869 #else
1870                                 if (dev_drv->iommu_enabled)
1871                                         ion_map_iommu(dev_drv->dev,
1872                                                       rk_fb->ion_client,
1873                                                       hdl,
1874                                                       (unsigned long *)&phy_addr,
1875                                                       (unsigned long *)&len);
1876                                 else
1877                                         ion_phys(rk_fb->ion_client, hdl,
1878                                                  &phy_addr, &len);
1879 #endif
1880                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1881                                 reg_win_data->area_buf_num++;
1882                                 reg_win_data->reg_area_data[i].index_buf = 1;
1883                         }
1884                 }
1885         } else {
1886                 reg_win_data->reg_area_data[0].smem_start =
1887                     win_par->area_par[0].phy_addr;
1888                 reg_win_data->area_num = 1;
1889                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1890         }
1891
1892         if (reg_win_data->area_num == 0)
1893                 return 0;
1894
1895         for (i = 0; i < reg_win_data->area_num; i++) {
1896                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1897                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1898                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1899                         reg_win_data->reg_area_data[i].acq_fence =
1900                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1901                 }
1902         }
1903         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
1904         reg_win_data->data_format = fb_data_fmt;
1905         pixel_width = rk_fb_pixel_width(fb_data_fmt);
1906
1907         ppixel_a = ((fb_data_fmt == ARGB888) ||
1908                     (fb_data_fmt == ABGR888)) ? 1 : 0;
1909         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1910         reg_win_data->alpha_en = ppixel_a | global_a;
1911         reg_win_data->g_alpha_val = win_par->g_alpha_val;
1912         reg_win_data->alpha_mode = win_par->alpha_mode;
1913         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1914                 reg_win_data->z_order = win_par->z_order;
1915                 reg_win_data->win_id = win_par->win_id;
1916         } else {
1917                 reg_win_data->z_order = -1;
1918                 reg_win_data->win_id = -1;
1919         }
1920         for (i = 0; i < reg_win_data->area_num; i++) {
1921                 rk_fb_check_config_var(&win_par->area_par[i], screen);
1922                 /* visiable pos in panel */
1923                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1924                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1925
1926                 /* realy size in panel */
1927                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1928                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1929
1930                 /* realy size in panel */
1931                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1932                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1933
1934                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
1935                 yoffset = win_par->area_par[i].y_offset;
1936                 xvir = win_par->area_par[i].xvir;
1937                 reg_win_data->reg_area_data[i].xvir = xvir;
1938                 yvir = win_par->area_par[i].yvir;
1939                 reg_win_data->reg_area_data[i].yvir = yvir;
1940
1941                 vir_width_bit = pixel_width * xvir;
1942                 /* pixel_width = byte_num*8 */
1943                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1944                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1945
1946                 stride = stride_32bit_1;        /* default rgb */
1947                 fix->line_length = stride;
1948                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1949
1950                 /* x y mirror ,jump line
1951                  * reg_win_data->reg_area_data[i].y_offset =
1952                  *              yoffset*stride+xoffset*pixel_width/8;
1953                  */
1954                 if (screen->y_mirror == 1) {
1955                         if (screen->interlace == 1) {
1956                                 reg_win_data->reg_area_data[i].y_offset =
1957                                     yoffset * stride * 2 +
1958                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1959                                     xoffset * pixel_width / 8;
1960                         } else {
1961                                 reg_win_data->reg_area_data[i].y_offset =
1962                                     yoffset * stride +
1963                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
1964                                     xoffset * pixel_width / 8;
1965                         }
1966                 } else {
1967                         if (screen->interlace == 1) {
1968                                 reg_win_data->reg_area_data[i].y_offset =
1969                                     yoffset * stride * 2 +
1970                                     xoffset * pixel_width / 8;
1971                         } else {
1972                                 reg_win_data->reg_area_data[i].y_offset =
1973                                     yoffset * stride +
1974                                     xoffset * pixel_width / 8;
1975                         }
1976                 }
1977         }
1978         switch (fb_data_fmt) {
1979         case YUV422:
1980         case YUV422_A:
1981                 is_pic_yuv = 1;
1982                 stride = stride_32bit_1;
1983                 uv_stride = stride_32bit_1 >> 1;
1984                 uv_x_off = xoffset >> 1;
1985                 uv_y_off = yoffset;
1986                 fix->line_length = stride;
1987                 uv_y_act = win_par->area_par[0].yact >> 1;
1988                 break;
1989         case YUV420:            /* 420sp */
1990         case YUV420_A:
1991                 is_pic_yuv = 1;
1992                 stride = stride_32bit_1;
1993                 uv_stride = stride_32bit_1;
1994                 uv_x_off = xoffset;
1995                 uv_y_off = yoffset >> 1;
1996                 fix->line_length = stride;
1997                 uv_y_act = win_par->area_par[0].yact >> 1;
1998                 break;
1999         case YUV444:
2000         case YUV444_A:
2001                 is_pic_yuv = 1;
2002                 stride = stride_32bit_1;
2003                 uv_stride = stride_32bit_2;
2004                 uv_x_off = xoffset * 2;
2005                 uv_y_off = yoffset;
2006                 fix->line_length = stride << 2;
2007                 uv_y_act = win_par->area_par[0].yact;
2008                 break;
2009         default:
2010                 break;
2011         }
2012         if (is_pic_yuv == 1) {
2013                 reg_win_data->reg_area_data[0].cbr_start =
2014                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2015                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2016                 if (screen->y_mirror == 1) {
2017                         if (screen->interlace == 1) {
2018                                 reg_win_data->reg_area_data[0].c_offset =
2019                                     uv_y_off * uv_stride * 2 +
2020                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2021                                     uv_x_off * pixel_width / 8;
2022                         } else {
2023                                 reg_win_data->reg_area_data[0].c_offset =
2024                                     uv_y_off * uv_stride +
2025                                     (uv_y_act - 1) * uv_stride +
2026                                     uv_x_off * pixel_width / 8;
2027                         }
2028                 } else {
2029                         if (screen->interlace == 1) {
2030                                 reg_win_data->reg_area_data[0].c_offset =
2031                                     uv_y_off * uv_stride * 2 +
2032                                     uv_x_off * pixel_width / 8;
2033                         } else {
2034                                 reg_win_data->reg_area_data[0].c_offset =
2035                                     uv_y_off * uv_stride +
2036                                     uv_x_off * pixel_width / 8;
2037                         }
2038                 }
2039         }
2040         return 0;
2041 }
2042
2043 static int rk_fb_set_win_config(struct fb_info *info,
2044                                 struct rk_fb_win_cfg_data *win_data)
2045 {
2046         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2047         struct rk_fb_reg_data *regs;
2048 #ifdef H_USE_FENCE
2049         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2050         struct sync_fence *retire_fence;
2051         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2052         struct sync_pt *retire_sync_pt;
2053         char fence_name[20];
2054 #endif
2055         int ret = 0, i, j = 0;
2056         int list_is_empty = 0;
2057
2058         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2059         if (!regs) {
2060                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2061                 ret = -ENOMEM;
2062                 return ret;
2063         }
2064
2065 /*
2066         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2067         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2068         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2069         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2070 */
2071
2072         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2073                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2074                         rk_fb_set_win_buffer(info, &win_data->win_par[i],
2075                                              &regs->reg_win_data[j]);
2076                         if (regs->reg_win_data[j].area_num > 0) {
2077                                 regs->win_num++;
2078                                 regs->buf_num +=
2079                                     regs->reg_win_data[j].area_buf_num;
2080                         }
2081                         j++;
2082                 } else {
2083                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2084                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2085                                win_data->win_par[i].win_id);
2086                 }
2087         }
2088
2089         mutex_lock(&dev_drv->output_lock);
2090         if (!(dev_drv->suspend_flag == 0)) {
2091                 rk_fb_update_reg(dev_drv, regs);
2092                 kfree(regs);
2093                 printk(KERN_INFO "suspend_flag = 1\n");
2094                 goto err;
2095         }
2096
2097         dev_drv->timeline_max++;
2098 #ifdef H_USE_FENCE
2099         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2100                 if (i < regs->buf_num) {
2101                         sprintf(fence_name, "fence%d", i);
2102                         win_data->rel_fence_fd[i] = get_unused_fd();
2103                         if (win_data->rel_fence_fd[i] < 0) {
2104                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2105                                        win_data->rel_fence_fd[i]);
2106                                 ret = -EFAULT;
2107                                 goto err;
2108                         }
2109                         release_sync_pt[i] =
2110                             sw_sync_pt_create(dev_drv->timeline,
2111                                               dev_drv->timeline_max);
2112                         release_fence[i] =
2113                             sync_fence_create(fence_name, release_sync_pt[i]);
2114                         sync_fence_install(release_fence[i],
2115                                            win_data->rel_fence_fd[i]);
2116                 } else {
2117                         win_data->rel_fence_fd[i] = -1;
2118                 }
2119         }
2120
2121         win_data->ret_fence_fd = get_unused_fd();
2122         if (win_data->ret_fence_fd < 0) {
2123                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2124                 ret = -EFAULT;
2125                 goto err;
2126         }
2127         retire_sync_pt =
2128             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2129         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2130         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2131 #else
2132         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2133                 win_data->rel_fence_fd[i] = -1;
2134
2135         win_data->ret_fence_fd = -1;
2136 #endif
2137         if (dev_drv->wait_fs == 0) {
2138                 mutex_lock(&dev_drv->update_regs_list_lock);
2139                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2140                 mutex_unlock(&dev_drv->update_regs_list_lock);
2141                 queue_kthread_work(&dev_drv->update_regs_worker,
2142                                    &dev_drv->update_regs_work);
2143         } else {
2144                 mutex_lock(&dev_drv->update_regs_list_lock);
2145                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2146                                         list_empty(&saved_list);
2147                 mutex_unlock(&dev_drv->update_regs_list_lock);
2148                 if (!list_is_empty) {
2149                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2150                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2151                                 msecs_to_jiffies(60));
2152                         if (ret > 0)
2153                                 rk_fb_update_reg(dev_drv, regs);
2154                         else
2155                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2156                 } else if (ret == 0) {
2157                         rk_fb_update_reg(dev_drv, regs);
2158                 }
2159                 kfree(regs);
2160         }
2161
2162 err:
2163         mutex_unlock(&dev_drv->output_lock);
2164         return ret;
2165 }
2166
2167 #if 1
2168 static int cfgdone_distlist[10] = { 0 };
2169
2170 static int cfgdone_index;
2171 static int cfgdone_lasttime;
2172
2173 int rk_get_real_fps(int before)
2174 {
2175         struct timespec now;
2176         int dist_curr;
2177         int dist_total = 0;
2178         int dist_count = 0;
2179         int dist_first = 0;
2180
2181         int index = cfgdone_index;
2182         int i = 0, fps = 0;
2183         int total;
2184
2185         if (before > 100)
2186                 before = 100;
2187         if (before < 0)
2188                 before = 0;
2189
2190         getnstimeofday(&now);
2191         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2192                         cfgdone_lasttime;
2193         total = dist_curr;
2194         /*
2195            printk("fps: ");
2196          */
2197         for (i = 0; i < 10; i++) {
2198                 if (--index < 0)
2199                         index = 9;
2200                 total += cfgdone_distlist[index];
2201                 if (i == 0)
2202                         dist_first = cfgdone_distlist[index];
2203                 if (total < (before * 1000)) {
2204                         /*
2205                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2206                          */
2207                         dist_total += cfgdone_distlist[index];
2208                         dist_count++;
2209                 } else {
2210                         break;
2211                 }
2212         }
2213
2214         /*
2215            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2216          */
2217         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2218         dist_total += dist_curr;
2219         dist_count++;
2220
2221         if (dist_total > 0)
2222                 fps = (1000000 * dist_count) / dist_total;
2223         else
2224                 fps = 60;
2225
2226         /*
2227            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2228          */
2229         return fps;
2230 }
2231 EXPORT_SYMBOL(rk_get_real_fps);
2232
2233 #endif
2234 #ifdef CONFIG_ROCKCHIP_IOMMU
2235 #define ION_MAX 10
2236 static struct ion_handle *ion_hanle[ION_MAX];
2237 #endif
2238 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2239                        unsigned long arg)
2240 {
2241         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2242         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2243         struct fb_fix_screeninfo *fix = &info->fix;
2244         int fb_id = 0, extend_win_id = 0;
2245         struct fb_info *extend_info = NULL;
2246         struct rk_lcdc_driver *extend_dev_drv = NULL;
2247         struct rk_lcdc_win *extend_win = NULL;
2248         struct rk_lcdc_win *win;
2249         int enable;     /* enable fb:1 enable;0 disable */
2250         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2251         int num_buf;    /* buffer_number */
2252         int ret;
2253         struct rk_fb_win_cfg_data win_data;
2254         unsigned int dsp_addr[4];
2255         int list_stat;
2256
2257         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2258
2259         void __user *argp = (void __user *)arg;
2260         win = dev_drv->win[win_id];
2261         if (rk_fb->disp_mode == DUAL) {
2262                 fb_id = get_extend_fb_id(info);
2263                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2264                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2265                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2266                                                             extend_info->fix.id);
2267                 extend_win = extend_dev_drv->win[extend_win_id];
2268         }
2269
2270         switch (cmd) {
2271         case RK_FBIOSET_YUV_ADDR:
2272                 {
2273                         u32 yuv_phy[2];
2274
2275                         if (copy_from_user(yuv_phy, argp, 8))
2276                                 return -EFAULT;
2277                         #ifdef CONFIG_ROCKCHIP_IOMMU
2278                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2279                         #endif
2280                                 fix->smem_start = yuv_phy[0];
2281                                 fix->mmio_start = yuv_phy[1];
2282                         #ifdef CONFIG_ROCKCHIP_IOMMU
2283                         } else {
2284                                 int usr_fd, offset, tmp;
2285                                 struct ion_handle *hdl;
2286                                 ion_phys_addr_t phy_addr;
2287                                 size_t len;
2288
2289                                 usr_fd = yuv_phy[0];
2290                                 offset = yuv_phy[1] - yuv_phy[0];
2291
2292                                 if (!usr_fd) {
2293                                         fix->smem_start = 0;
2294                                         fix->mmio_start = 0;
2295                                         break;
2296                                 }
2297
2298                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2299                                 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2300                                                 (unsigned long *)&phy_addr, (unsigned long *)&len);
2301
2302                                 fix->smem_start = phy_addr;
2303                                 fix->mmio_start = phy_addr + offset;
2304
2305                                 if (ion_hanle[ION_MAX - 1] != 0) {
2306                                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2307                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2308                                 }
2309                                 ion_hanle[0] = hdl;
2310
2311                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2312                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2313                                 ion_hanle[0] = 0;
2314                         }
2315                         #endif
2316                         break;
2317                 }
2318         case RK_FBIOSET_ENABLE:
2319                 if (copy_from_user(&enable, argp, sizeof(enable)))
2320                         return -EFAULT;
2321                 dev_drv->ops->open(dev_drv, win_id, enable);
2322                 break;
2323         case RK_FBIOGET_ENABLE:
2324                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2325                 if (copy_to_user(argp, &enable, sizeof(enable)))
2326                         return -EFAULT;
2327                 break;
2328         case RK_FBIOSET_OVERLAY_STA:
2329                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2330                         return -EFAULT;
2331                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2332                 break;
2333         case RK_FBIOGET_OVERLAY_STA:
2334                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2335                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2336                         return -EFAULT;
2337                 break;
2338         case RK_FBIOPUT_NUM_BUFFERS:
2339                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2340                         return -EFAULT;
2341                 dev_drv->num_buf = num_buf;
2342                 break;
2343         case RK_FBIOSET_VSYNC_ENABLE:
2344                 if (copy_from_user(&enable, argp, sizeof(enable)))
2345                         return -EFAULT;
2346                 dev_drv->vsync_info.active = enable;
2347                 break;
2348
2349         case RK_FBIOGET_DSP_ADDR:
2350                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2351                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2352                         return -EFAULT;
2353                 break;
2354         case RK_FBIOGET_LIST_STA:
2355                 list_stat = rk_fb_get_list_stat(dev_drv);
2356                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2357                         return -EFAULT;
2358
2359                 break;
2360         case RK_FBIOGET_IOMMU_STA:
2361                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2362                                  sizeof(dev_drv->iommu_enabled)))
2363                         return -EFAULT;
2364                 break;
2365 #if defined(CONFIG_ION_ROCKCHIP)
2366         case RK_FBIOSET_DMABUF_FD:
2367                 {
2368                         int usr_fd;
2369                         struct ion_handle *hdl;
2370                         ion_phys_addr_t phy_addr;
2371                         size_t len;
2372                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2373                                 return -EFAULT;
2374                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2375                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2376                         fix->smem_start = phy_addr;
2377                         break;
2378                 }
2379         case RK_FBIOGET_DMABUF_FD:
2380                 {
2381                         int fd =
2382                             ion_share_dma_buf_fd(rk_fb->ion_client,
2383                                                  win->area[0].ion_hdl);
2384                         if (fd < 0) {
2385                                 dev_err(info->dev,
2386                                         "ion_share_dma_buf_fd failed\n");
2387                                 return fd;
2388                         }
2389                         if (copy_to_user(argp, &fd, sizeof(fd)))
2390                                 return -EFAULT;
2391                         break;
2392                 }
2393 #endif
2394         case RK_FBIOSET_CLEAR_FB:
2395                 memset(info->screen_base, 0, get_fb_size());
2396                 break;
2397         case RK_FBIOSET_CONFIG_DONE:
2398                 {
2399                         int curr = 0;
2400                         struct timespec now;
2401
2402                         getnstimeofday(&now);
2403                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2404                         cfgdone_distlist[cfgdone_index++] =
2405                             curr - cfgdone_lasttime;
2406                         /*
2407                            printk("%d ", curr - cfgdone_lasttime);
2408                          */
2409                         cfgdone_lasttime = curr;
2410                         if (cfgdone_index >= 10)
2411                                 cfgdone_index = 0;
2412                 }
2413                 if (copy_from_user(&win_data,
2414                                    (struct rk_fb_win_cfg_data __user *)argp,
2415                                    sizeof(win_data))) {
2416                         ret = -EFAULT;
2417                         break;
2418                 };
2419
2420                 dev_drv->wait_fs = win_data.wait_fs;
2421                 rk_fb_set_win_config(info, &win_data);
2422
2423                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2424                                  &win_data, sizeof(win_data))) {
2425                         ret = -EFAULT;
2426                         break;
2427                 }
2428                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2429                 break;
2430         default:
2431                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2432                 break;
2433         }
2434
2435         return 0;
2436 }
2437
2438 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2439 {
2440         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2441         struct fb_fix_screeninfo *fix = &info->fix;
2442         int win_id;
2443 #if defined(CONFIG_RK_HDMI)
2444         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2445 #endif
2446
2447         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2448         if (win_id < 0)
2449                 return -ENODEV;
2450 #if defined(CONFIG_RK_HDMI)
2451         if ((rk_fb->disp_mode == ONE_DUAL) &&
2452             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2453                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2454         } else
2455 #endif
2456         {
2457                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2458         }
2459         return 0;
2460 }
2461
2462 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2463 {
2464         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2465             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2466             ((16 != var->bits_per_pixel) &&
2467             (32 != var->bits_per_pixel) &&
2468             (24 != var->bits_per_pixel))) {
2469                 dev_err(info->dev, "%s check var fail 1:\n"
2470                         "xres_vir:%d>>yres_vir:%d\n"
2471                         "xres:%d>>yres:%d\n"
2472                         "bits_per_pixel:%d\n",
2473                         info->fix.id,
2474                         var->xres_virtual,
2475                         var->yres_virtual,
2476                         var->xres, var->yres, var->bits_per_pixel);
2477                 return -EINVAL;
2478         }
2479
2480         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2481             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2482                 dev_err(info->dev, "%s check_var fail 2:\n"
2483                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2484                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2485                         info->fix.id,
2486                         var->xoffset,
2487                         var->xres,
2488                         var->xres_virtual,
2489                         var->yoffset, var->yres, var->yres_virtual);
2490                 return -EINVAL;
2491         }
2492
2493         return 0;
2494 }
2495
2496 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2497                           size_t count, loff_t *ppos)
2498 {
2499         unsigned long p = *ppos;
2500         u8 *buffer, *dst;
2501         u8 __iomem *src;
2502         int c, cnt = 0, err = 0;
2503         unsigned long total_size;
2504         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2505         struct rk_lcdc_win *win = NULL;
2506         int win_id = 0;
2507
2508         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2509         if (win_id < 0)
2510                 return -ENODEV;
2511         else
2512                 win = dev_drv->win[win_id];
2513
2514         /* only read the current frame buffer */
2515         if (win->format == RGB565) {
2516                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2517         } else if (win->format == YUV420) {
2518                 total_size =
2519                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2520         } else {
2521                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2522         }
2523         if (p >= total_size)
2524                 return 0;
2525
2526         if (count >= total_size)
2527                 count = total_size;
2528
2529         if (count + p > total_size)
2530                 count = total_size - p;
2531
2532         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2533         if (!buffer)
2534                 return -ENOMEM;
2535
2536         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2537
2538         while (count) {
2539                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2540                 dst = buffer;
2541                 fb_memcpy_fromfb(dst, src, c);
2542                 dst += c;
2543                 src += c;
2544
2545                 if (copy_to_user(buf, buffer, c)) {
2546                         err = -EFAULT;
2547                         break;
2548                 }
2549                 *ppos += c;
2550                 buf += c;
2551                 cnt += c;
2552                 count -= c;
2553         }
2554
2555         kfree(buffer);
2556
2557         return (err) ? err : cnt;
2558 }
2559
2560 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2561                            size_t count, loff_t *ppos)
2562 {
2563         unsigned long p = *ppos;
2564         u8 *buffer, *src;
2565         u8 __iomem *dst;
2566         int c, cnt = 0, err = 0;
2567         unsigned long total_size;
2568         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2569         struct rk_lcdc_win *win = NULL;
2570         int win_id = 0;
2571
2572         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2573         if (win_id < 0)
2574                 return -ENODEV;
2575         else
2576                 win = dev_drv->win[win_id];
2577
2578         /* write the current frame buffer */
2579         if (win->format == RGB565)
2580                 total_size = win->area[0].xact * win->area[0].yact << 1;
2581         else
2582                 total_size = win->area[0].xact * win->area[0].yact << 2;
2583
2584         if (p > total_size)
2585                 return -EFBIG;
2586
2587         if (count > total_size) {
2588                 err = -EFBIG;
2589                 count = total_size;
2590         }
2591
2592         if (count + p > total_size) {
2593                 if (!err)
2594                         err = -ENOSPC;
2595
2596                 count = total_size - p;
2597         }
2598
2599         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2600         if (!buffer)
2601                 return -ENOMEM;
2602
2603         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2604
2605         while (count) {
2606                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2607                 src = buffer;
2608
2609                 if (copy_from_user(src, buf, c)) {
2610                         err = -EFAULT;
2611                         break;
2612                 }
2613
2614                 fb_memcpy_tofb(dst, src, c);
2615                 dst += c;
2616                 src += c;
2617                 *ppos += c;
2618                 buf += c;
2619                 cnt += c;
2620                 count -= c;
2621         }
2622
2623         kfree(buffer);
2624
2625         return (cnt) ? cnt : err;
2626 }
2627
2628 static int rk_fb_set_par(struct fb_info *info)
2629 {
2630         struct fb_var_screeninfo *var = &info->var;
2631         struct fb_fix_screeninfo *fix = &info->fix;
2632         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2633         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2634         int fb_id, extend_win_id = 0;
2635         struct fb_info *extend_info = NULL;
2636         struct rk_lcdc_driver *extend_dev_drv = NULL;
2637         struct rk_lcdc_win *extend_win = NULL;
2638         struct rk_lcdc_win *win = NULL;
2639         struct rk_screen *screen = dev_drv->cur_screen;
2640         struct rk_screen screen_primary;
2641         int win_id = 0;
2642         u32 cblen = 0, crlen = 0;
2643         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2644         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2645         u32 yoffset = var->yoffset;
2646         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2647         u16 ypos = (var->nonstd >> 20) & 0xfff;
2648         u32 xvir = var->xres_virtual;
2649         u32 yvir = var->yres_virtual;
2650         u8 data_format = var->nonstd & 0xff;
2651         u8 fb_data_fmt;
2652         u8 pixel_width;
2653         u32 vir_width_bit;
2654         u32 stride, uv_stride;
2655         u32 stride_32bit_1;
2656         u32 stride_32bit_2;
2657         u16 uv_x_off, uv_y_off, uv_y_act;
2658         u8 is_pic_yuv = 0;
2659
2660         var->pixclock = dev_drv->pixclock;
2661         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2662         if (win_id < 0)
2663                 return -ENODEV;
2664         else
2665                 win = dev_drv->win[win_id];
2666         if (rk_fb->disp_mode == DUAL) {
2667                 fb_id = get_extend_fb_id(info);
2668                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2669                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2670                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2671                                                             extend_info->fix.
2672                                                             id);
2673                 extend_win = extend_dev_drv->win[extend_win_id];
2674         }
2675         /* if the application has specific the horizontal and vertical display size */
2676         if (var->grayscale >> 8) {
2677                 xsize = (var->grayscale >> 8) & 0xfff;
2678                 ysize = (var->grayscale >> 20) & 0xfff;
2679         } else {                /*ohterwise  full  screen display */
2680                 xsize = screen->mode.xres;
2681                 ysize = screen->mode.yres;
2682         }
2683
2684 /*this is for device like rk2928 ,whic have one lcdc but two display outputs*/
2685 /*save winameter set by android*/
2686         if (rk_fb->disp_mode != DUAL) {
2687                 if (screen->screen_id == 0) {
2688                         dev_drv->screen0->xsize = xsize;
2689                         dev_drv->screen0->ysize = ysize;
2690                         dev_drv->screen0->xpos = xpos;
2691                         dev_drv->screen0->ypos = ypos;
2692                 } else {
2693                         xsize = dev_drv->screen1->xsize;
2694                         ysize = dev_drv->screen1->ysize;
2695                         xpos = dev_drv->screen1->xpos;
2696                         ypos = dev_drv->screen1->ypos;
2697                 }
2698         }
2699
2700         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2701         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2702         vir_width_bit = pixel_width * xvir;
2703         /* pixel_width = byte_num * 8 */
2704         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2705         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2706
2707         switch (fb_data_fmt) {
2708         case YUV422:
2709         case YUV422_A:
2710                 is_pic_yuv = 1;
2711                 stride = stride_32bit_1;
2712                 uv_stride = stride_32bit_1 >> 1;
2713                 uv_x_off = xoffset >> 1;
2714                 uv_y_off = yoffset;
2715                 fix->line_length = stride;
2716                 cblen = crlen = (xvir * yvir) >> 1;
2717                 uv_y_act = win->area[0].yact >> 1;
2718                 break;
2719         case YUV420:            /* 420sp */
2720         case YUV420_A:
2721                 is_pic_yuv = 1;
2722                 stride = stride_32bit_1;
2723                 uv_stride = stride_32bit_1;
2724                 uv_x_off = xoffset;
2725                 uv_y_off = yoffset >> 1;
2726                 fix->line_length = stride;
2727                 cblen = crlen = (xvir * yvir) >> 2;
2728                 uv_y_act = win->area[0].yact >> 1;
2729                 break;
2730         case YUV444:
2731         case YUV444_A:
2732                 is_pic_yuv = 1;
2733                 stride = stride_32bit_1;
2734                 uv_stride = stride_32bit_2;
2735                 uv_x_off = xoffset * 2;
2736                 uv_y_off = yoffset;
2737                 fix->line_length = stride << 2;
2738                 cblen = crlen = (xvir * yvir);
2739                 uv_y_act = win->area[0].yact;
2740                 break;
2741         default:
2742                 stride = stride_32bit_1;        /* default rgb */
2743                 fix->line_length = stride;
2744                 break;
2745         }
2746
2747         /* x y mirror ,jump line */
2748         if (screen->y_mirror == 1) {
2749                 if (screen->interlace == 1) {
2750                         win->area[0].y_offset = yoffset * stride * 2 +
2751                             ((win->area[0].yact - 1) * 2 + 1) * stride +
2752                             xoffset * pixel_width / 8;
2753                 } else {
2754                         win->area[0].y_offset = yoffset * stride +
2755                             (win->area[0].yact - 1) * stride +
2756                             xoffset * pixel_width / 8;
2757                 }
2758         } else {
2759                 if (screen->interlace == 1) {
2760                         win->area[0].y_offset =
2761                             yoffset * stride * 2 + xoffset * pixel_width / 8;
2762                 } else {
2763                         win->area[0].y_offset =
2764                             yoffset * stride + xoffset * pixel_width / 8;
2765                 }
2766         }
2767         if (is_pic_yuv == 1) {
2768                 if (screen->y_mirror == 1) {
2769                         if (screen->interlace == 1) {
2770                                 win->area[0].c_offset =
2771                                     uv_y_off * uv_stride * 2 +
2772                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2773                                     uv_x_off * pixel_width / 8;
2774                         } else {
2775                                 win->area[0].c_offset = uv_y_off * uv_stride +
2776                                     (uv_y_act - 1) * uv_stride +
2777                                     uv_x_off * pixel_width / 8;
2778                         }
2779                 } else {
2780                         if (screen->interlace == 1) {
2781                                 win->area[0].c_offset =
2782                                     uv_y_off * uv_stride * 2 +
2783                                     uv_x_off * pixel_width / 8;
2784                         } else {
2785                                 win->area[0].c_offset =
2786                                     uv_y_off * uv_stride +
2787                                     uv_x_off * pixel_width / 8;
2788                         }
2789                 }
2790         }
2791
2792         rk_fb_get_prmry_screen(&screen_primary);
2793         win->format = fb_data_fmt;
2794         win->area[0].y_vir_stride = stride >> 2;
2795         win->area[0].uv_vir_stride = uv_stride >> 2;
2796         win->area[0].xpos = xpos*screen->mode.xres/screen_primary.mode.xres;
2797         win->area[0].ypos = ypos*screen->mode.yres/screen_primary.mode.yres;
2798         win->area[0].xsize = screen->mode.xres*xsize/screen_primary.mode.xres;
2799         win->area[0].ysize = screen->mode.yres*ysize/screen_primary.mode.yres;
2800         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2801         win->area[0].yact = var->yres;
2802         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2803         win->area[0].yvir = var->yres_virtual;
2804
2805         win->area_num = 1;
2806         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2807         win->alpha_en = ((win->format == ARGB888) ||
2808                          (win->format == ABGR888)) ? 1 : 0;
2809         win->g_alpha_val = 0;
2810
2811         if (rk_fb->disp_mode == DUAL) {
2812                 if (extend_win->state && (hdmi_switch_complete)) {
2813                         if (info != extend_info) {
2814                                 if (win->area[0].xact < win->area[0].yact) {
2815                                         extend_win->area[0].xact =
2816                                             win->area[0].yact;
2817                                         extend_win->area[0].yact =
2818                                             win->area[0].xact;
2819                                         extend_win->area[0].xvir =
2820                                             win->area[0].yact;
2821                                         extend_info->var.xres = var->yres;
2822                                         extend_info->var.yres = var->xres;
2823                                         extend_info->var.xres_virtual =
2824                                             var->yres;
2825                                 } else {
2826                                         extend_win->area[0].xact =
2827                                             win->area[0].xact;
2828                                         extend_win->area[0].yact =
2829                                             win->area[0].yact;
2830                                         extend_win->area[0].xvir =
2831                                             win->area[0].xvir;
2832                                         extend_info->var.xres = var->xres;
2833                                         extend_info->var.yres = var->yres;
2834                                         extend_info->var.xres_virtual =
2835                                             var->xres_virtual;
2836                                 }
2837                                 extend_win->area[0].y_vir_stride =
2838                                     win->area[0].y_vir_stride;
2839                                 extend_win->area[0].uv_vir_stride =
2840                                     win->area[0].uv_vir_stride;
2841                                 if (win->area[0].xpos != 0 ||
2842                                     win->area[0].ypos != 0) {
2843                                         extend_win->area[0].xsize =
2844                                             (extend_dev_drv->cur_screen->xsize * win->area[0].xsize) / screen->mode.xres;
2845                                         extend_win->area[0].ysize =
2846                                             (extend_dev_drv->cur_screen->ysize * win->area[0].ysize) / screen->mode.yres;
2847                                         extend_win->area[0].xpos =
2848                                             ((extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1) +
2849                                             extend_dev_drv->cur_screen->xsize * win->area[0].xpos / screen->mode.xres;
2850                                         extend_win->area[0].ypos =
2851                                             ((extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1) +
2852                                             extend_dev_drv->cur_screen->ysize * win->area[0].ypos / screen->mode.yres;
2853                                 } else {        /* the display image of the primary screen is full screen size */
2854                                         extend_win->area[0].xpos =
2855                                             (extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1;
2856                                         extend_win->area[0].ypos =
2857                                             (extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1;
2858                                         extend_win->area[0].xsize =
2859                                             extend_dev_drv->cur_screen->xsize;
2860                                         extend_win->area[0].ysize =
2861                                             extend_dev_drv->cur_screen->ysize;
2862                                 }
2863
2864                                 extend_win->area[0].state = 1;
2865                                 extend_win->area_num = 1;
2866                                 extend_win->alpha_en = 0;
2867                                 extend_win->format = win->format;
2868                                 extend_info->var.nonstd &= 0xffffff00;
2869                                 extend_info->var.nonstd |= data_format;
2870                                 extend_dev_drv->ops->set_par(extend_dev_drv,
2871                                                              extend_win_id);
2872                         }
2873                 }
2874         }
2875         dev_drv->ops->set_par(dev_drv, win_id);
2876
2877         return 0;
2878 }
2879
2880 static inline unsigned int chan_to_field(unsigned int chan,
2881                                          struct fb_bitfield *bf)
2882 {
2883         chan &= 0xffff;
2884         chan >>= 16 - bf->length;
2885         return chan << bf->offset;
2886 }
2887
2888 static int fb_setcolreg(unsigned regno,
2889                         unsigned red, unsigned green, unsigned blue,
2890                         unsigned transp, struct fb_info *info)
2891 {
2892         unsigned int val;
2893
2894         switch (info->fix.visual) {
2895         case FB_VISUAL_TRUECOLOR:
2896                 /* true-colour, use pseudo-palette */
2897                 if (regno < 16) {
2898                         u32 *pal = info->pseudo_palette;
2899                         val = chan_to_field(red, &info->var.red);
2900                         val |= chan_to_field(green, &info->var.green);
2901                         val |= chan_to_field(blue, &info->var.blue);
2902                         pal[regno] = val;
2903                 }
2904                 break;
2905         default:
2906                 return -1;      /* unknown type */
2907         }
2908
2909         return 0;
2910 }
2911
2912 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2913 {
2914         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2915         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2916         struct rk_lcdc_win *win;
2917         win = dev_drv->win[win_id];
2918
2919         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2920
2921         return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
2922 }
2923
2924 static struct fb_ops fb_ops = {
2925         .owner = THIS_MODULE,
2926         .fb_open = rk_fb_open,
2927         .fb_release = rk_fb_close,
2928         .fb_check_var = rk_fb_check_var,
2929         .fb_set_par = rk_fb_set_par,
2930         .fb_blank = rk_fb_blank,
2931         .fb_ioctl = rk_fb_ioctl,
2932         .fb_pan_display = rk_fb_pan_display,
2933         .fb_read = rk_fb_read,
2934         .fb_write = rk_fb_write,
2935         .fb_setcolreg = fb_setcolreg,
2936         .fb_fillrect = cfb_fillrect,
2937         .fb_copyarea = cfb_copyarea,
2938         .fb_imageblit = cfb_imageblit,
2939 };
2940
2941 static struct fb_var_screeninfo def_var = {
2942 #if defined(CONFIG_LOGO_LINUX_BMP)
2943         .red = {16, 8, 0},
2944         .green = {8, 8, 0},
2945         .blue = {0, 8, 0},
2946         .transp = {0, 0, 0},
2947         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2948 #else
2949         .red = {11, 5, 0},
2950         .green = {5, 6, 0},
2951         .blue = {0, 5, 0},
2952         .transp = {0, 0, 0},
2953         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
2954 #endif
2955         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
2956         .activate = FB_ACTIVATE_NOW,
2957         .accel_flags = 0,
2958         .vmode = FB_VMODE_NONINTERLACED,
2959 };
2960
2961 static struct fb_fix_screeninfo def_fix = {
2962         .type = FB_TYPE_PACKED_PIXELS,
2963         .type_aux = 0,
2964         .xpanstep = 1,
2965         .ypanstep = 1,
2966         .ywrapstep = 0,
2967         .accel = FB_ACCEL_NONE,
2968         .visual = FB_VISUAL_TRUECOLOR,
2969
2970 };
2971
2972 static int rk_fb_wait_for_vsync_thread(void *data)
2973 {
2974         struct rk_lcdc_driver *dev_drv = data;
2975         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2976         struct fb_info *fbi = rk_fb->fb[0];
2977
2978         while (!kthread_should_stop()) {
2979                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2980                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2981                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2982                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2983
2984                 if (!ret)
2985                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2986         }
2987
2988         return 0;
2989 }
2990
2991 static ssize_t rk_fb_vsync_show(struct device *dev,
2992                                 struct device_attribute *attr, char *buf)
2993 {
2994         struct fb_info *fbi = dev_get_drvdata(dev);
2995         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
2996         return scnprintf(buf, PAGE_SIZE, "%llu\n",
2997                          ktime_to_ns(dev_drv->vsync_info.timestamp));
2998 }
2999
3000 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3001
3002 /*
3003  * this two function is for other module that in the kernel which
3004  * need show image directly through fb
3005  * fb_id:we have 4 fb here,default we use fb0 for ui display
3006  */
3007 struct fb_info *rk_get_fb(int fb_id)
3008 {
3009         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3010         struct fb_info *fb = inf->fb[fb_id];
3011         return fb;
3012 }
3013 EXPORT_SYMBOL(rk_get_fb);
3014
3015 void rk_direct_fb_show(struct fb_info *fbi)
3016 {
3017         rk_fb_set_par(fbi);
3018         rk_fb_pan_display(&fbi->var, fbi);
3019 }
3020 EXPORT_SYMBOL(rk_direct_fb_show);
3021 #if 0
3022 static int set_xact_yact_for_hdmi(struct fb_var_screeninfo *pmy_var,
3023                                   struct fb_var_screeninfo *hdmi_var)
3024 {
3025         if (pmy_var->xres < pmy_var->yres) {    /* vertical  lcd screen */
3026                 hdmi_var->xres = pmy_var->yres;
3027                 hdmi_var->yres = pmy_var->xres;
3028                 hdmi_var->xres_virtual = pmy_var->yres;
3029         } else {
3030                 hdmi_var->xres = pmy_var->xres;
3031                 hdmi_var->yres = pmy_var->yres;
3032                 hdmi_var->xres_virtual = pmy_var->xres_virtual;
3033         }
3034
3035         return 0;
3036 }
3037 #endif
3038 int rk_fb_dpi_open(bool open)
3039 {
3040         struct rk_lcdc_driver *dev_drv = NULL;
3041         dev_drv = rk_get_prmry_lcdc_drv();
3042
3043         if (dev_drv->ops->dpi_open)
3044                 dev_drv->ops->dpi_open(dev_drv, open);
3045         return 0;
3046 }
3047
3048 int rk_fb_dpi_win_sel(int win_id)
3049 {
3050         struct rk_lcdc_driver *dev_drv = NULL;
3051         dev_drv = rk_get_prmry_lcdc_drv();
3052
3053         if (dev_drv->ops->dpi_win_sel)
3054                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3055         return 0;
3056 }
3057
3058 int rk_fb_dpi_status(void)
3059 {
3060         int ret = 0;
3061         struct rk_lcdc_driver *dev_drv = NULL;
3062
3063         dev_drv = rk_get_prmry_lcdc_drv();
3064         if (dev_drv->ops->dpi_status)
3065                 ret = dev_drv->ops->dpi_status(dev_drv);
3066
3067         return ret;
3068 }
3069 #if 1
3070 /*
3071  *function:this function will be called by display device, enable/disable lcdc
3072  *screen: screen timing to be set to lcdc
3073  *enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3074  *lcdc_id: the lcdc id the display device attached ,0 or 1
3075  */
3076 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3077 {
3078         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3079         struct fb_info *info = NULL;
3080         struct rk_lcdc_driver *dev_drv = NULL;
3081         char name[6];
3082         int i, win_id, load_screen = 0;
3083
3084         if (screen == NULL)
3085                 return -ENODEV;
3086
3087         sprintf(name, "lcdc%d", lcdc_id);
3088         for (i = 0; i < rk_fb->num_lcdc; i++) {
3089                 if (!strcmp(rk_fb->lcdc_dev_drv[i]->name, name)) {
3090                         dev_drv = rk_fb->lcdc_dev_drv[i];
3091                         break;
3092                 }
3093         }
3094         if (i == rk_fb->num_lcdc) {
3095                 printk(KERN_ERR "%s driver not found!", name);
3096                 return -ENODEV;
3097         }
3098
3099         if (enable == 2 /*&& dev_drv->enable*/)
3100                 return 0;
3101
3102         if (!enable) {
3103                 /* if screen type is different, we do not disable lcdc. */
3104                 if (dev_drv->cur_screen->type != screen->type)
3105                         return 0;
3106
3107                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3108                         /* disable the layer which attached to this device */
3109                         if (dev_drv->win[i] && dev_drv->win[i]->state)
3110                                 dev_drv->ops->open(dev_drv, i, 0);
3111                 }
3112                 return 0;
3113         } else {
3114                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3115         }
3116         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3117                 #ifdef DUAL_LCDC_MAP_TO_SAME_FB
3118                 info = rk_fb->fb[i];
3119                 dev_drv1 = (struct rk_lcdc_driver *)info->par;
3120                 if (dev_drv1 != dev_drv) {
3121                         info->par = dev_drv;
3122                         dev_drv->overscan = dev_drv1->overscan;
3123                         dev_drv->vsync_info.active = dev_drv1->vsync_info.active;
3124                 }
3125                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3126                 #else
3127                 info = rk_fb->fb[dev_drv->fb_index_base + i];
3128                 #endif
3129                 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3130                 if (dev_drv->win[win_id]) {
3131                         #ifdef DUAL_LCDC_MAP_TO_SAME_FB
3132                         if (dev_drv1 && dev_drv1->win[win_id]) {
3133                                 dev_drv->win[win_id]->logicalstate = dev_drv1->win[win_id]->logicalstate;
3134                                 memcpy(dev_drv->win[win_id]->area, dev_drv1->win[win_id]->area, RK_WIN_MAX_AREA * sizeof(struct rk_lcdc_win_area));
3135                         }
3136                         #endif
3137                         if (dev_drv->win[win_id]->logicalstate) {
3138                                 dev_drv->ops->open(dev_drv, win_id, 1);
3139                                 if (!load_screen) {
3140                                         dev_drv->ops->load_screen(dev_drv, 1);
3141                                         load_screen = 1;
3142                                 }
3143                                 info->var.activate |= FB_ACTIVATE_FORCE;
3144                                 info->fbops->fb_set_par(info);
3145                                 info->fbops->fb_pan_display(&info->var, info);
3146                         }
3147                 }
3148         }
3149         return 0;
3150 }
3151 #else
3152 /*
3153  * function:this function will be called by hdmi,when
3154  *             hdmi plug in/out
3155  * screen: the screen attached to hdmi
3156  * enable: 1,hdmi plug in,0,hdmi plug out
3157  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3158  */
3159 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3160 {
3161         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3162         struct fb_info *info = NULL;
3163         struct rk_lcdc_driver *dev_drv = NULL;
3164         struct fb_var_screeninfo *hdmi_var = NULL;
3165         struct fb_var_screeninfo *pmy_var = NULL;       /* var for primary screen */
3166         int i;
3167         struct fb_fix_screeninfo *hdmi_fix = NULL;
3168         char name[6];
3169         int ret;
3170         int win_id;
3171 /*
3172         if (rk_fb->disp_mode != DUAL)
3173                 rk29_backlight_set(0);
3174 */
3175         sprintf(name, "lcdc%d", lcdc_id);
3176
3177         if (rk_fb->disp_mode != DUAL) {
3178                 dev_drv = rk_fb->lcdc_dev_drv[0];
3179         } else {
3180                 for (i = 0; i < rk_fb->num_lcdc; i++) {
3181                         if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
3182                                 dev_drv = rk_fb->lcdc_dev_drv[i];
3183                                 break;
3184                         }
3185                 }
3186
3187                 if (i == rk_fb->num_lcdc) {
3188                         printk(KERN_ERR "%s driver not found!", name);
3189                         return -ENODEV;
3190                 }
3191         }
3192         printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3193                dev_drv->id);
3194
3195         if (rk_fb->num_lcdc == 1)
3196                 info = rk_fb->fb[0];
3197         else if (rk_fb->num_lcdc == 2)
3198                 info = rk_fb->fb[dev_drv->lcdc_win_num];        /* the main fb of lcdc1 */
3199
3200         if (dev_drv->screen1) { /* device like rk2928 ,have only one lcdc but two outputs */
3201                 if (enable) {
3202                         memcpy(dev_drv->screen1, screen,
3203                                sizeof(struct rk_screen));
3204                         dev_drv->screen1->lcdc_id = 0;  /* connect screen1 to output interface 0 */
3205                         dev_drv->screen1->screen_id = 1;
3206                         dev_drv->screen0->lcdc_id = 1;  /* connect screen0 to output interface 1 */
3207                         dev_drv->cur_screen = dev_drv->screen1;
3208                         dev_drv->screen0->ext_screen = dev_drv->screen1;
3209                         if (dev_drv->screen0->sscreen_get) {
3210                                 dev_drv->screen0->sscreen_get(dev_drv->screen0,
3211                                                               dev_drv->cur_screen->hdmi_resolution);
3212                         }
3213
3214                 } else {
3215                         dev_drv->screen1->lcdc_id = 1;  /* connect screen1 to output interface 1 */
3216                         dev_drv->screen0->lcdc_id = 0;  /* connect screen0 to output interface 0 */
3217                         dev_drv->cur_screen = dev_drv->screen0;
3218                         dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
3219                                                                   dev_drv->screen_ctr_info->lcd_info);
3220                 }
3221         } else {
3222                 if (enable)
3223                         memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3224         }
3225
3226         dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3227         dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3228
3229         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3230
3231         if (!enable && !dev_drv->screen1) {     /* only double lcdc device need to close */
3232                 if (dev_drv->win[win_id]->state)
3233                         dev_drv->ops->open(dev_drv, win_id, enable);    /* disable the win which attached to this fb */
3234                 hdmi_switch_complete = 0;
3235
3236                 return 0;
3237         }
3238
3239         hdmi_var = &info->var;
3240         hdmi_fix = &info->fix;
3241         if (rk_fb->disp_mode == DUAL) {
3242                 if (likely(rk_fb->num_lcdc == 2)) {
3243                         pmy_var = &rk_fb->fb[0]->var;
3244                         set_xact_yact_for_hdmi(pmy_var, hdmi_var);
3245                         hdmi_var->nonstd &= 0xffffff00;
3246                         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);   /* use the same format as primary screen */
3247                 } else {
3248                         printk(KERN_WARNING
3249                                "%s>>only one lcdc,dual display no supported!",
3250                                __func__);
3251                 }
3252         }
3253         hdmi_var->grayscale &= 0xff;
3254         hdmi_var->grayscale |=
3255             (dev_drv->cur_screen->mode.xres << 8) + (dev_drv->cur_screen->mode.yres << 20);
3256         if (dev_drv->screen1) { /* device like rk2928,whic have one lcdc but two outputs */
3257                 /*
3258                 info->var.nonstd &= 0xff;
3259                 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
3260                 info->var.grayscale &= 0xff;
3261                 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);
3262                 */
3263                 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
3264                 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
3265                 dev_drv->screen1->xpos = 0;
3266                 dev_drv->screen1->ypos = 0;
3267         }
3268
3269         ret = info->fbops->fb_open(info, 1);
3270         dev_drv->ops->load_screen(dev_drv, 1);
3271         ret = info->fbops->fb_set_par(info);
3272         if (dev_drv->ops->lcdc_hdmi_process)
3273                 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
3274
3275         hdmi_switch_complete = enable;
3276         info->fbops->fb_pan_display(hdmi_var, info);
3277
3278         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3279         if (dev_drv->screen1) {
3280                 if (dev_drv->screen0->sscreen_set) {
3281                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
3282                         msleep(100);
3283                         dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
3284                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
3285                 }
3286         }
3287         /*
3288         if (rk_fb->disp_mode != DUAL)
3289                 rk29_backlight_set(1);
3290         */
3291         return 0;
3292 }
3293 #endif
3294 /*
3295  * function:this function current only called by hdmi for
3296  *      scale the display
3297  * scale_x: scale rate of x resolution
3298  * scale_y: scale rate of y resolution
3299  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3300  */
3301 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3302 {
3303         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3304         struct fb_info *info = NULL;
3305         struct fb_var_screeninfo *var = NULL;
3306         struct rk_lcdc_driver *dev_drv = NULL;
3307         u16 screen_x, screen_y;
3308         u16 xpos, ypos;
3309         char name[6];
3310         int i = 0;
3311
3312         sprintf(name, "lcdc%d", lcdc_id);
3313 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
3314         dev_drv = inf->lcdc_dev_drv[0];
3315 #else
3316         for (i = 0; i < inf->num_lcdc; i++) {
3317                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
3318                         dev_drv = inf->lcdc_dev_drv[i];
3319                         break;
3320                 }
3321         }
3322
3323         if (i == inf->num_lcdc) {
3324                 printk(KERN_ERR "%s driver not found!", name);
3325                 return -ENODEV;
3326         }
3327 #endif
3328         if (inf->num_lcdc == 1)
3329                 info = inf->fb[0];
3330         else if (inf->num_lcdc == 2)
3331                 info = inf->fb[dev_drv->lcdc_win_num];
3332
3333         var = &info->var;
3334         screen_x = dev_drv->cur_screen->mode.xres;
3335         screen_y = dev_drv->cur_screen->mode.yres;
3336
3337 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) || defined(CONFIG_NO_DUAL_DISP)
3338         if (dev_drv->cur_screen->screen_id == 1) {
3339                 dev_drv->cur_screen->xpos =
3340                     (screen_x - screen_x * scale_x / 100) >> 1;
3341                 dev_drv->cur_screen->ypos =
3342                     (screen_y - screen_y * scale_y / 100) >> 1;
3343                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3344                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3345         } else
3346 #endif
3347         {
3348                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3349                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3350                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3351                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3352                 var->nonstd &= 0xff;
3353                 var->nonstd |= (xpos << 8) + (ypos << 20);
3354                 var->grayscale &= 0xff;
3355                 var->grayscale |=
3356                     (dev_drv->cur_screen->xsize << 8) + (dev_drv->cur_screen->ysize << 20);
3357         }
3358
3359         info->fbops->fb_set_par(info);
3360         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3361         dev_drv->ops->cfg_done(dev_drv);
3362         return 0;
3363 }
3364
3365 #if defined(CONFIG_ION_ROCKCHIP)
3366 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3367                                      struct rk_lcdc_win *win,
3368                                      unsigned long fb_mem_size)
3369 {
3370         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3371         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3372         struct ion_handle *handle;
3373         ion_phys_addr_t phy_addr;
3374         size_t len;
3375
3376         if (dev_drv->iommu_enabled)
3377                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3378                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3379         else
3380                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3381                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3382         if (IS_ERR(handle)) {
3383                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3384                         PTR_ERR(handle));
3385                 return -ENOMEM;
3386         }
3387         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3388         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3389                 printk("ion_share_dma_buf() failed\n");
3390                 goto err_share_dma_buf;
3391         }
3392         win->area[0].ion_hdl = handle;
3393         if (dev_drv->prop == PRMRY)
3394                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3395 #ifdef CONFIG_ROCKCHIP_IOMMU
3396         if (dev_drv->iommu_enabled)
3397                 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3398                               (unsigned long *)&phy_addr,
3399                               (unsigned long *)&len);
3400         else
3401                 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3402 #else
3403         ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3404 #endif
3405         fbi->fix.smem_start = phy_addr;
3406         fbi->fix.smem_len = len;
3407         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3408         return 0;
3409
3410 err_share_dma_buf:
3411         ion_free(rk_fb->ion_client, handle);
3412         return -ENOMEM;
3413 }
3414 #endif
3415
3416 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3417 {
3418         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3419         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3420         struct rk_lcdc_win *win = NULL;
3421         int win_id;
3422         int ret = 0;
3423         unsigned long fb_mem_size;
3424 #if !defined(CONFIG_ION_ROCKCHIP)
3425         dma_addr_t fb_mem_phys;
3426         void *fb_mem_virt;
3427 #endif
3428
3429         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3430         if (win_id < 0)
3431                 return -ENODEV;
3432         else
3433                 win = dev_drv->win[win_id];
3434
3435         if (!strcmp(fbi->fix.id, "fb0")) {
3436                 fb_mem_size = get_fb_size();
3437 #if defined(CONFIG_ION_ROCKCHIP)
3438                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3439                         return -ENOMEM;
3440 #else
3441                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3442                                                      &fb_mem_phys, GFP_KERNEL);
3443                 if (!fb_mem_virt) {
3444                         pr_err("%s: Failed to allocate framebuffer\n",
3445                                __func__);
3446                         return -ENOMEM;
3447                 }
3448                 fbi->fix.smem_len = fb_mem_size;
3449                 fbi->fix.smem_start = fb_mem_phys;
3450                 fbi->screen_base = fb_mem_virt;
3451 #endif
3452                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3453                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3454                        fbi->fix.smem_start, fbi->screen_base,
3455                        fbi->fix.smem_len);
3456         } else {
3457                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3458                         fb_mem_size = get_rotate_fb_size();
3459 #if defined(CONFIG_ION_ROCKCHIP)
3460                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3461                                 return -ENOMEM;
3462 #else
3463                         fb_mem_virt =
3464                                 dma_alloc_writecombine(fbi->dev,
3465                                                        fb_mem_size,
3466                                                        &fb_mem_phys,
3467                                                        GFP_KERNEL);
3468                         if (!fb_mem_virt) {
3469                                 pr_err("%s: Failed to allocate framebuffer\n",
3470                                         __func__);
3471                                 return -ENOMEM;
3472                         }
3473                         fbi->fix.smem_len = fb_mem_size;
3474                         fbi->fix.smem_start = fb_mem_phys;
3475                         fbi->screen_base = fb_mem_virt;
3476 #endif
3477                 } else {
3478                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3479                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3480                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3481                 }
3482
3483                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3484                        fbi->fix.smem_start, fbi->screen_base,
3485                        fbi->fix.smem_len);
3486         }
3487
3488         fbi->screen_size = fbi->fix.smem_len;
3489         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3490         if (win_id >= 0) {
3491                 win = dev_drv->win[win_id];
3492                 win->reserved = fbi->fix.smem_start;
3493         }
3494
3495         return ret;
3496 }
3497
3498 #if 0
3499 static int rk_release_fb_buffer(struct fb_info *fbi)
3500 {
3501         /* buffer for fb1 and fb3 are alloc by android */
3502         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3503                 return 0;
3504         iounmap(fbi->screen_base);
3505         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3506         return 0;
3507 }
3508 #endif
3509
3510 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3511                          struct rk_lcdc_win *def_win)
3512 {
3513         int i;
3514         int lcdc_win_num = dev_drv->lcdc_win_num;
3515
3516         for (i = 0; i < lcdc_win_num; i++) {
3517                 struct rk_lcdc_win *win = NULL;
3518                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3519                 if (!win) {
3520                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3521                         return -ENOMEM;
3522                 }
3523
3524                 strcpy(win->name, def_win[i].name);
3525                 win->id = def_win[i].id;
3526                 win->support_3d = def_win[i].support_3d;
3527                 dev_drv->win[i] = win;
3528         }
3529
3530         return 0;
3531 }
3532
3533 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3534                                    struct rk_lcdc_win *def_win, int index)
3535 {
3536         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3537         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3538                                                 sizeof(struct rk_screen),
3539                                                 GFP_KERNEL);
3540
3541         if (!screen) {
3542                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3543                         dev_drv->id);
3544                 return -ENOMEM;
3545         }
3546
3547         screen->screen_id = 0;
3548         screen->lcdc_id = dev_drv->id;
3549         screen->overscan.left = 100;
3550         screen->overscan.top = 100;
3551         screen->overscan.right = 100;
3552         screen->overscan.bottom = 100;
3553
3554         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3555         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3556
3557         dev_drv->screen0 = screen;
3558         dev_drv->cur_screen = screen;
3559         /* devie use one lcdc + rk61x scaler for dual display */
3560         if (rk_fb->disp_mode == ONE_DUAL) {
3561                 struct rk_screen *screen1 =
3562                                 devm_kzalloc(dev_drv->dev,
3563                                              sizeof(struct rk_screen),
3564                                              GFP_KERNEL);
3565                 if (screen1) {
3566                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3567                                 dev_drv->id);
3568                         return -ENOMEM;
3569                 }
3570                 screen1->screen_id = 1;
3571                 screen1->lcdc_id = 1;
3572                 dev_drv->screen1 = screen1;
3573         }
3574         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3575         init_lcdc_win(dev_drv, def_win);
3576         init_completion(&dev_drv->frame_done);
3577         spin_lock_init(&dev_drv->cpl_lock);
3578         mutex_init(&dev_drv->fb_win_id_mutex);
3579         dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
3580         dev_drv->first_frame = 1;
3581         dev_drv->overscan.left = 100;
3582         dev_drv->overscan.top = 100;
3583         dev_drv->overscan.right = 100;
3584         dev_drv->overscan.bottom = 100;
3585         rk_disp_pwr_ctr_parse_dt(dev_drv);
3586         if (dev_drv->prop == PRMRY) {
3587                 if (dev_drv->ops->set_dsp_cabc)
3588                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3589                 rk_fb_set_prmry_screen(screen);
3590         }
3591         rk_fb_get_prmry_screen(screen);
3592         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3593
3594         return 0;
3595 }
3596
3597 #ifdef CONFIG_LOGO_LINUX_BMP
3598 static struct linux_logo *bmp_logo;
3599 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3600 {
3601         bmp_logo = fb_find_logo(24);
3602         if (bmp_logo == NULL) {
3603                 printk(KERN_INFO "%s error\n", __func__);
3604                 return 0;
3605         }
3606         return 1;
3607 }
3608
3609 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3610 {
3611         unsigned char *src = bmp_logo->data;
3612         unsigned char *dst = info->screen_base;
3613         int i;
3614         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3615         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3616
3617         for (i = 0; i < Needheight; i++)
3618                 memcpy(dst + info->var.xres * i * 4,
3619                        src + bmp_logo->width * i * 4, Needwidth * 4);
3620 }
3621 #endif
3622
3623 /*
3624  * check if the primary lcdc has registerd,
3625  * the primary lcdc mas register first
3626  */
3627 bool is_prmry_rk_lcdc_registered(void)
3628 {
3629         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3630
3631         if (rk_fb->lcdc_dev_drv[0])
3632                 return true;
3633         else
3634                 return false;
3635 }
3636
3637 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3638                    struct rk_lcdc_win *win, int id)
3639 {
3640         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3641         struct fb_info *fbi;
3642         int i = 0, ret = 0, index = 0;
3643 /*
3644 #if defined(CONFIG_ROCKCHIP_IOMMU)
3645         struct device *mmu_dev = NULL;
3646 #endif
3647 */
3648         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3649                 return -ENXIO;
3650
3651         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3652                 if (!rk_fb->lcdc_dev_drv[i]) {
3653                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3654                         rk_fb->lcdc_dev_drv[i]->id = id;
3655                         rk_fb->num_lcdc++;
3656                         break;
3657                 }
3658         }
3659
3660         index = i;
3661         init_lcdc_device_driver(rk_fb, win, index);
3662         dev_drv->fb_index_base = rk_fb->num_fb;
3663         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3664                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3665                 if (!fbi) {
3666                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3667                         ret = -ENOMEM;
3668                 }
3669                 fbi->par = dev_drv;
3670                 fbi->var = def_var;
3671                 fbi->fix = def_fix;
3672                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3673                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3674                 fbi->var.grayscale |=
3675                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3676 #if defined(CONFIG_LOGO_LINUX_BMP)
3677                 fbi->var.bits_per_pixel = 32;
3678 #else
3679                 fbi->var.bits_per_pixel = 16;
3680 #endif
3681                 fbi->fix.line_length =
3682                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3683                 fbi->var.width = dev_drv->cur_screen->width;
3684                 fbi->var.height = dev_drv->cur_screen->height;
3685                 fbi->var.pixclock = dev_drv->pixclock;
3686                 if (dev_drv->iommu_enabled)
3687                         fb_ops.fb_mmap = rk_fb_mmap;
3688                 fbi->fbops = &fb_ops;
3689                 fbi->flags = FBINFO_FLAG_DEFAULT;
3690                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3691                 ret = register_framebuffer(fbi);
3692                 if (ret < 0) {
3693                         dev_err(&fb_pdev->dev,
3694                                 "%s fb%d register_framebuffer fail!\n",
3695                                 __func__, rk_fb->num_fb);
3696                         return ret;
3697                 }
3698                 rkfb_create_sysfs(fbi);
3699                 rk_fb->fb[rk_fb->num_fb] = fbi;
3700                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3701                          fbi->fix.id);
3702                 rk_fb->num_fb++;
3703
3704                 if (i == 0) {
3705                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3706                         init_waitqueue_head(&dev_drv->update_regs_wait);
3707                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3708                         if (ret)
3709                                 dev_err(fbi->dev,
3710                                         "failed to create vsync file\n");
3711                         dev_drv->vsync_info.thread =
3712                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3713                                         "fb-vsync");
3714                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3715                                 dev_err(fbi->dev,
3716                                         "failed to run vsync thread\n");
3717                                 dev_drv->vsync_info.thread = NULL;
3718                         }
3719                         dev_drv->vsync_info.active = 1;
3720
3721                         mutex_init(&dev_drv->output_lock);
3722
3723                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3724                         mutex_init(&dev_drv->update_regs_list_lock);
3725                         init_kthread_worker(&dev_drv->update_regs_worker);
3726
3727                         dev_drv->update_regs_thread =
3728                             kthread_run(kthread_worker_fn,
3729                                         &dev_drv->update_regs_worker, "rk-fb");
3730                         if (IS_ERR(dev_drv->update_regs_thread)) {
3731                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3732                                 dev_drv->update_regs_thread = NULL;
3733
3734                                 printk("failed to run update_regs thread\n");
3735                                 return err;
3736                         }
3737                         init_kthread_work(&dev_drv->update_regs_work,
3738                                           rk_fb_update_regs_handler);
3739
3740                         dev_drv->timeline =
3741                             sw_sync_timeline_create("fb-timeline");
3742                         dev_drv->timeline_max = 1;
3743                 }
3744         }
3745
3746         /* show logo for primary display device */
3747 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3748         if (dev_drv->prop == PRMRY) {
3749                 struct fb_info *main_fbi = rk_fb->fb[0];
3750                 main_fbi->fbops->fb_open(main_fbi, 1);
3751 /*
3752 #if defined(CONFIG_ROCKCHIP_IOMMU)
3753                 if (dev_drv->iommu_enabled) {
3754                         mmu_dev =
3755                             rockchip_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
3756                         if (mmu_dev) {
3757                                 platform_set_sysmmu(mmu_dev, dev_drv->dev);
3758                                 rockchip_sysmmu_set_fault_handler(dev_drv->dev,
3759                                                                   rk_fb_sysmmu_fault_handler);
3760                                 iovmm_activate(dev_drv->dev);
3761                         } else
3762                                 dev_err(dev_drv->dev,
3763                                         "failed to get rockchip iommu device\n");
3764                 }
3765 #endif
3766 */
3767                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3768                 if (support_uboot_display()) {
3769                         if (dev_drv->iommu_enabled) {
3770                                 rk_fb_copy_from_loader(main_fbi);
3771                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3772                                         main_fbi->fix.smem_start);
3773                         }
3774                         return 0;
3775                 }
3776                 main_fbi->fbops->fb_set_par(main_fbi);
3777 #if  defined(CONFIG_LOGO_LINUX_BMP)
3778                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3779                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3780                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3781                 }
3782 #else
3783                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3784                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3785                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3786                 }
3787 #endif
3788                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3789         } else {
3790 #if !defined(CONFIG_ROCKCHIP_IOMMU)
3791                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3792                 int extend_fb_id = get_extend_fb_id(extend_fbi);
3793
3794                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3795 #endif
3796         }
3797 #endif
3798         return 0;
3799 }
3800
3801 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3802 {
3803         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3804         struct fb_info *fbi;
3805         int fb_index_base = dev_drv->fb_index_base;
3806         int fb_num = dev_drv->lcdc_win_num;
3807         int i = 0;
3808
3809         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3810                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3811                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3812         }
3813
3814         for (i = 0; i < fb_num; i++)
3815                 kfree(dev_drv->win[i]);
3816
3817         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3818                 fbi = fb_inf->fb[i];
3819                 unregister_framebuffer(fbi);
3820                 /* rk_release_fb_buffer(fbi); */
3821                 framebuffer_release(fbi);
3822         }
3823         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3824         fb_inf->num_lcdc--;
3825
3826         return 0;
3827 }
3828
3829 static int rk_fb_probe(struct platform_device *pdev)
3830 {
3831         struct rk_fb *rk_fb = NULL;
3832         struct device_node *np = pdev->dev.of_node;
3833         u32 mode;
3834
3835         if (!np) {
3836                 dev_err(&pdev->dev, "Missing device tree node.\n");
3837                 return -EINVAL;
3838         }
3839
3840         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3841         if (!rk_fb) {
3842                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3843                 return -ENOMEM;
3844         }
3845         platform_set_drvdata(pdev, rk_fb);
3846
3847         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3848                 rk_fb->disp_mode = mode;
3849
3850         } else {
3851                 dev_err(&pdev->dev, "no disp-mode node found!");
3852                 return -ENODEV;
3853         }
3854
3855         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3856                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3857
3858         dev_set_name(&pdev->dev, "rockchip-fb");
3859 #if defined(CONFIG_ION_ROCKCHIP)
3860         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3861         if (IS_ERR(rk_fb->ion_client)) {
3862                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3863                 return PTR_ERR(rk_fb->ion_client);
3864         } else {
3865                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3866         }
3867 #endif
3868
3869         fb_pdev = pdev;
3870         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3871         return 0;
3872 }
3873
3874 static int rk_fb_remove(struct platform_device *pdev)
3875 {
3876         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3877
3878         kfree(rk_fb);
3879         platform_set_drvdata(pdev, NULL);
3880         return 0;
3881 }
3882
3883 static void rk_fb_shutdown(struct platform_device *pdev)
3884 {
3885         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3886         int i;
3887
3888         for (i = 0; i < rk_fb->num_lcdc; i++) {
3889                 if (!rk_fb->lcdc_dev_drv[i])
3890                         continue;
3891         }
3892 }
3893
3894 static const struct of_device_id rkfb_dt_ids[] = {
3895         {.compatible = "rockchip,rk-fb",},
3896         {}
3897 };
3898
3899 static struct platform_driver rk_fb_driver = {
3900         .probe = rk_fb_probe,
3901         .remove = rk_fb_remove,
3902         .driver = {
3903                    .name = "rk-fb",
3904                    .owner = THIS_MODULE,
3905                    .of_match_table = of_match_ptr(rkfb_dt_ids),
3906                    },
3907         .shutdown = rk_fb_shutdown,
3908 };
3909
3910 static int __init rk_fb_init(void)
3911 {
3912         return platform_driver_register(&rk_fb_driver);
3913 }
3914
3915 static void __exit rk_fb_exit(void)
3916 {
3917         platform_driver_unregister(&rk_fb_driver);
3918 }
3919
3920 fs_initcall(rk_fb_init);
3921 module_exit(rk_fb_exit);