drivers/video/rockchip/rk_fb.c

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