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