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