drivers/video/rockchip/lcdc/rk3288_lcdc.c

   1 /*
   2  * drivers/video/rockchip/lcdc/rk3288_lcdc.c
   3  *
   4  * Copyright (C) 2014 ROCKCHIP, Inc.
   5  *Author:hjc<hjc@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
  17 #include <linux/module.h>
  18 #include <linux/kernel.h>
  19 #include <linux/errno.h>
  20 #include <linux/string.h>
  21 #include <linux/mm.h>
  22 #include <linux/slab.h>
  23 #include <linux/device.h>
  24 #include <linux/delay.h>
  25 #include <linux/init.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/clk.h>
  29 #include <linux/rockchip-iovmm.h>
  30 #include <asm/div64.h>
  31 #include <asm/uaccess.h>
  32 #include <linux/rockchip/cpu.h>
  33 #include <linux/rockchip/iomap.h>
  34 #include <linux/rockchip/grf.h>
  35 #include <linux/rockchip/common.h>
  36 #include <dt-bindings/clock/rk_system_status.h>
  37
  38 #include "rk3288_lcdc.h"
  39
  40 #if defined(CONFIG_HAS_EARLYSUSPEND)
  41 #include <linux/earlysuspend.h>
  42 #endif
  43
  44 static int dbg_thresd;
  45 module_param(dbg_thresd, int, S_IRUGO | S_IWUSR);
  46
  47 #define DBG(level, x...) do {                   \
  48         if (unlikely(dbg_thresd >= level))      \
  49                 printk(KERN_INFO x); } while (0)
  50
  51 static int rk3288_lcdc_set_bcsh(struct rk_lcdc_driver *dev_drv,
  52                                      bool enable);
  53
  54 /*#define WAIT_FOR_SYNC 1*/
  55
  56 static int rk3288_lcdc_get_id(u32 phy_base)
  57 {
  58         if (cpu_is_rk3288()) {
  59                 if (phy_base == 0xff930000)/*vop big*/
  60                         return 0;
  61                 else if (phy_base == 0xff940000)/*vop lit*/
  62                         return 1;
  63                 else
  64                         return -EINVAL;
  65         } else {
  66                 pr_err("un supported platform \n");
  67                 return -EINVAL;
  68         }
  69 }
  70
  71 static int rk3288_lcdc_set_lut(struct rk_lcdc_driver *dev_drv)
  72 {
  73         int i,j;
  74         int __iomem *c;
  75         u32 v,r,g,b;
  76         struct lcdc_device *lcdc_dev = container_of(dev_drv,
  77                                         struct lcdc_device,driver);
  78         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN, v_DSP_LUT_EN(0));
  79         lcdc_cfg_done(lcdc_dev);
  80         mdelay(25);
  81         for (i = 0; i < 256; i++) {
  82                 v = dev_drv->cur_screen->dsp_lut[i];
  83                 c = lcdc_dev->dsp_lut_addr_base + (i << 2);
  84                 b = (v & 0xff) << 2;
  85                 g = (v & 0xff00) << 4;
  86                 r = (v & 0xff0000) << 6;
  87                 v = r + g + b;
  88                 for (j = 0; j < 4; j++) {
  89                         writel_relaxed(v, c);
  90                         v += (1 + (1 << 10) + (1 << 20)) ;
  91                         c++;
  92                 }
  93         }
  94         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN, v_DSP_LUT_EN(1));
  95
  96         return 0;
  97
  98 }
  99
 100 static int rk3288_lcdc_clk_enable(struct lcdc_device *lcdc_dev)
 101 {
 102 #ifdef CONFIG_RK_FPGA
 103         lcdc_dev->clk_on = 1;
 104         return 0;
 105 #endif
 106         if (!lcdc_dev->clk_on) {
 107                 clk_prepare_enable(lcdc_dev->hclk);
 108                 clk_prepare_enable(lcdc_dev->dclk);
 109                 clk_prepare_enable(lcdc_dev->aclk);
 110                 clk_prepare_enable(lcdc_dev->pd);
 111                 spin_lock(&lcdc_dev->reg_lock);
 112                 lcdc_dev->clk_on = 1;
 113                 spin_unlock(&lcdc_dev->reg_lock);
 114         }
 115
 116         return 0;
 117 }
 118
 119 static int rk3288_lcdc_clk_disable(struct lcdc_device *lcdc_dev)
 120 {
 121 #ifdef CONFIG_RK_FPGA
 122         lcdc_dev->clk_on = 0;
 123         return 0;
 124 #endif
 125         if (lcdc_dev->clk_on) {
 126                 spin_lock(&lcdc_dev->reg_lock);
 127                 lcdc_dev->clk_on = 0;
 128                 spin_unlock(&lcdc_dev->reg_lock);
 129                 mdelay(25);
 130                 clk_disable_unprepare(lcdc_dev->dclk);
 131                 clk_disable_unprepare(lcdc_dev->hclk);
 132                 clk_disable_unprepare(lcdc_dev->aclk);
 133                 clk_disable_unprepare(lcdc_dev->pd);
 134         }
 135
 136         return 0;
 137 }
 138
 139 static int rk3288_lcdc_disable_irq(struct lcdc_device *lcdc_dev)
 140 {
 141         u32 mask, val;
 142         spin_lock(&lcdc_dev->reg_lock);
 143         if (likely(lcdc_dev->clk_on)) {
 144                 mask = m_DSP_HOLD_VALID_INTR_EN | m_FS_INTR_EN |
 145                         m_LINE_FLAG_INTR_EN | m_BUS_ERROR_INTR_EN;
 146                 val = v_DSP_HOLD_VALID_INTR_EN(0) | v_FS_INTR_EN(0) |
 147                         v_LINE_FLAG_INTR_EN(0) | v_BUS_ERROR_INTR_EN(0);
 148                 lcdc_msk_reg(lcdc_dev, INTR_CTRL0, mask, val);
 149
 150                 mask = m_DSP_HOLD_VALID_INTR_CLR | m_FS_INTR_CLR |
 151                         m_LINE_FLAG_INTR_CLR | m_LINE_FLAG_INTR_CLR;
 152                 val = v_DSP_HOLD_VALID_INTR_CLR(0) | v_FS_INTR_CLR(0) |
 153                         v_LINE_FLAG_INTR_CLR(0) | v_BUS_ERROR_INTR_CLR(0);
 154                 lcdc_msk_reg(lcdc_dev, INTR_CTRL0, mask, val);
 155
 156                 mask = m_WIN0_EMPTY_INTR_EN | m_WIN1_EMPTY_INTR_EN |
 157                         m_WIN2_EMPTY_INTR_EN | m_WIN3_EMPTY_INTR_EN |
 158                         m_HWC_EMPTY_INTR_EN | m_POST_BUF_EMPTY_INTR_EN |
 159                         m_POST_BUF_EMPTY_INTR_EN;
 160                 val = v_WIN0_EMPTY_INTR_EN(0) | v_WIN1_EMPTY_INTR_EN(0) |
 161                         v_WIN2_EMPTY_INTR_EN(0) | v_WIN3_EMPTY_INTR_EN(0) |
 162                         v_HWC_EMPTY_INTR_EN(0) | v_POST_BUF_EMPTY_INTR_EN(0) |
 163                         v_PWM_GEN_INTR_EN(0);
 164                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, mask, val);
 165
 166                 mask = m_WIN0_EMPTY_INTR_CLR | m_WIN1_EMPTY_INTR_CLR |
 167                         m_WIN2_EMPTY_INTR_CLR | m_WIN3_EMPTY_INTR_CLR |
 168                         m_HWC_EMPTY_INTR_CLR | m_POST_BUF_EMPTY_INTR_CLR |
 169                         m_POST_BUF_EMPTY_INTR_CLR;
 170                 val = v_WIN0_EMPTY_INTR_CLR(0) | v_WIN1_EMPTY_INTR_CLR(0) |
 171                         v_WIN2_EMPTY_INTR_CLR(0) | v_WIN3_EMPTY_INTR_CLR(0) |
 172                         v_HWC_EMPTY_INTR_CLR(0) | v_POST_BUF_EMPTY_INTR_CLR(0) |
 173                         v_PWM_GEN_INTR_CLR(0);
 174                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, mask, val);
 175                 lcdc_cfg_done(lcdc_dev);
 176                 spin_unlock(&lcdc_dev->reg_lock);
 177         } else {
 178                 spin_unlock(&lcdc_dev->reg_lock);
 179         }
 180         mdelay(1);
 181         return 0;
 182 }
 183 static int rk3288_lcdc_reg_dump(struct rk_lcdc_driver *dev_drv)
 184 {
 185         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 186                                                 struct lcdc_device,
 187                                                 driver);
 188         int *cbase = (int *)lcdc_dev->regs;
 189         int *regsbak = (int *)lcdc_dev->regsbak;
 190         int i, j;
 191
 192         printk("back up reg:\n");
 193         for (i = 0; i <= (0x200 >> 4); i++) {
 194                 printk("0x%04x: ",i*16);
 195                 for (j = 0; j < 4; j++)
 196                         printk("%08x  ", *(regsbak + i * 4 + j));
 197                 printk("\n");
 198         }
 199
 200         printk("lcdc reg:\n");
 201         for (i = 0; i <= (0x200 >> 4); i++) {
 202                 printk("0x%04x: ",i*16);
 203                 for (j = 0; j < 4; j++)
 204                         printk("%08x  ", readl_relaxed(cbase + i * 4 + j));
 205                 printk("\n");
 206         }
 207         return 0;
 208
 209 }
 210
 211 #define WIN_EN(id)              \
 212 static int win##id##_enable(struct lcdc_device *lcdc_dev, int en)       \
 213 { \
 214         u32 msk, val;                                                   \
 215         spin_lock(&lcdc_dev->reg_lock);                                 \
 216         msk =  m_WIN##id##_EN;                                          \
 217         val  =  v_WIN##id##_EN(en);                                     \
 218         lcdc_msk_reg(lcdc_dev, WIN##id##_CTRL0, msk, val);              \
 219         lcdc_cfg_done(lcdc_dev);                                        \
 220         val = lcdc_read_bit(lcdc_dev, WIN##id##_CTRL0, msk);            \
 221         while (val !=  (!!en))  {                                       \
 222                 val = lcdc_read_bit(lcdc_dev, WIN##id##_CTRL0, msk);    \
 223         }                                                               \
 224         spin_unlock(&lcdc_dev->reg_lock);                               \
 225         return 0;                                                       \
 226 }
 227
 228 WIN_EN(0);
 229 WIN_EN(1);
 230 WIN_EN(2);
 231 WIN_EN(3);
 232 /*enable/disable win directly*/
 233 static int rk3288_lcdc_win_direct_en
 234                 (struct rk_lcdc_driver *drv, int win_id , int en)
 235 {
 236         struct lcdc_device *lcdc_dev = container_of(drv,
 237                                         struct lcdc_device, driver);
 238         if (win_id == 0)
 239                 win0_enable(lcdc_dev, en);
 240         else if (win_id == 1)
 241                 win1_enable(lcdc_dev, en);
 242         else if (win_id == 2)
 243                 win2_enable(lcdc_dev, en);
 244         else if (win_id == 3)
 245                 win3_enable(lcdc_dev, en);
 246         else
 247                 dev_err(lcdc_dev->dev, "invalid win number:%d\n", win_id);
 248         return 0;
 249
 250 }
 251
 252 #define SET_WIN_ADDR(id) \
 253 static int set_win##id##_addr(struct lcdc_device *lcdc_dev, u32 addr) \
 254 {                                                       \
 255         u32 msk, val;                                   \
 256         spin_lock(&lcdc_dev->reg_lock);                 \
 257         lcdc_writel(lcdc_dev,WIN##id##_YRGB_MST,addr);  \
 258         msk =  m_WIN##id##_EN;                          \
 259         val  =  v_WIN0_EN(1);                           \
 260         lcdc_msk_reg(lcdc_dev, WIN##id##_CTRL0, msk,val);       \
 261         lcdc_cfg_done(lcdc_dev);                        \
 262         spin_unlock(&lcdc_dev->reg_lock);               \
 263         return 0;                                       \
 264 }
 265
 266 SET_WIN_ADDR(0);
 267 SET_WIN_ADDR(1);
 268 int rk3288_lcdc_direct_set_win_addr
 269                 (struct rk_lcdc_driver *dev_drv, int win_id, u32 addr)
 270 {
 271         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 272                                 struct lcdc_device, driver);
 273         if (win_id == 0)
 274                 set_win0_addr(lcdc_dev, addr);
 275         else
 276                 set_win1_addr(lcdc_dev, addr);
 277
 278         return 0;
 279 }
 280
 281 static void lcdc_read_reg_defalut_cfg(struct lcdc_device *lcdc_dev)
 282 {
 283         int reg = 0;
 284         u32 val = 0;
 285         struct rk_screen *screen = lcdc_dev->driver.cur_screen;
 286         u32 h_pw_bp = screen->mode.hsync_len + screen->mode.left_margin;
 287         u32 v_pw_bp = screen->mode.vsync_len + screen->mode.upper_margin;
 288         u32 st_x, st_y;
 289         struct rk_lcdc_win *win0 = lcdc_dev->driver.win[0];
 290
 291         spin_lock(&lcdc_dev->reg_lock);
 292         for (reg = 0; reg < FRC_LOWER11_1; reg += 4) {
 293                 val = lcdc_readl(lcdc_dev, reg);
 294                 switch (reg) {
 295                         case WIN0_ACT_INFO:
 296                                 win0->area[0].xact =
 297                                         (val & m_WIN0_ACT_WIDTH) + 1;
 298                                 win0->area[0].yact =
 299                                         ((val & m_WIN0_ACT_HEIGHT) >> 16) + 1;
 300                                 break;
 301                         case WIN0_DSP_INFO:
 302                                 win0->area[0].xsize =
 303                                         (val & m_WIN0_DSP_WIDTH) + 1;
 304                                 win0->area[0].ysize =
 305                                         ((val & m_WIN0_DSP_HEIGHT) >> 16) + 1;
 306                                 break;
 307                         case WIN0_DSP_ST:
 308                                 st_x = val & m_WIN0_DSP_XST;
 309                                 st_y = (val & m_WIN0_DSP_YST) >> 16;
 310                                 win0->area[0].xpos = st_x - h_pw_bp;
 311                                 win0->area[0].ypos = st_y - v_pw_bp;
 312                                 break;
 313                         case WIN0_CTRL0:
 314                                 win0->state = val & m_WIN0_EN;
 315                                 win0->area[0].fmt_cfg =
 316                                         (val & m_WIN0_DATA_FMT) >> 1;
 317                                 win0->fmt_10 = (val & m_WIN0_FMT_10) >> 4;
 318                                 win0->area[0].format = win0->area[0].fmt_cfg;
 319                                 break;
 320                         case WIN0_VIR:
 321                                 win0->area[0].y_vir_stride =
 322                                         val & m_WIN0_VIR_STRIDE;
 323                                 win0->area[0].uv_vir_stride =
 324                                         (val & m_WIN0_VIR_STRIDE_UV) >> 16;
 325                                 if (win0->area[0].format == ARGB888)
 326                                         win0->area[0].xvir =
 327                                                 win0->area[0].y_vir_stride;
 328                                 else if (win0->area[0].format == RGB888)
 329                                         win0->area[0].xvir =
 330                                                 win0->area[0].y_vir_stride * 4 / 3;
 331                                 else if (win0->area[0].format == RGB565)
 332                                         win0->area[0].xvir =
 333                                                 2 * win0->area[0].y_vir_stride;
 334                                 else /* YUV */
 335                                         win0->area[0].xvir =
 336                                                 4 * win0->area[0].y_vir_stride;
 337                                 break;
 338                         case WIN0_YRGB_MST:
 339                                 win0->area[0].smem_start = val;
 340                                 break;
 341                         case WIN0_CBR_MST:
 342                                 win0->area[0].cbr_start = val;
 343                                 break;
 344                         default:
 345                                 break;
 346                 }
 347         }
 348         spin_unlock(&lcdc_dev->reg_lock);
 349
 350 }
 351
 352 /********do basic init*********/
 353 static int rk3288_lcdc_pre_init(struct rk_lcdc_driver *dev_drv)
 354 {
 355         int v;
 356         u32 mask,val;
 357         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 358                                                            struct
 359                                                            lcdc_device,
 360                                                    driver);
 361         if (lcdc_dev->pre_init)
 362                 return 0;
 363
 364         lcdc_dev->hclk = devm_clk_get(lcdc_dev->dev, "hclk_lcdc");
 365         lcdc_dev->aclk = devm_clk_get(lcdc_dev->dev, "aclk_lcdc");
 366         lcdc_dev->dclk = devm_clk_get(lcdc_dev->dev, "dclk_lcdc");
 367         lcdc_dev->pd   = devm_clk_get(lcdc_dev->dev, "pd_lcdc");
 368
 369         if (IS_ERR(lcdc_dev->pd) || (IS_ERR(lcdc_dev->aclk)) ||
 370             (IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk))) {
 371                 dev_err(lcdc_dev->dev, "failed to get lcdc%d clk source\n",
 372                         lcdc_dev->id);
 373         }
 374
 375         rk_disp_pwr_enable(dev_drv);
 376         rk3288_lcdc_clk_enable(lcdc_dev);
 377
 378         /*backup reg config at uboot*/
 379         lcdc_read_reg_defalut_cfg(lcdc_dev);
 380         v = 0;
 381 #ifndef CONFIG_RK_FPGA
 382         if (lcdc_dev->pwr18 == true) {
 383                 v = 0x00010001; /*bit14: 1,1.8v;0,3.3v*/
 384                 writel_relaxed(v, RK_GRF_VIRT + RK3288_GRF_IO_VSEL);
 385         } else {
 386                 v = 0x00010000;
 387                 writel_relaxed(v, RK_GRF_VIRT + RK3288_GRF_IO_VSEL);
 388         }
 389 #endif
 390         lcdc_writel(lcdc_dev,CABC_GAUSS_LINE0_0,0x15110903);
 391         lcdc_writel(lcdc_dev,CABC_GAUSS_LINE0_1,0x00030911);
 392         lcdc_writel(lcdc_dev,CABC_GAUSS_LINE1_0,0x1a150b04);
 393         lcdc_writel(lcdc_dev,CABC_GAUSS_LINE1_1,0x00040b15);
 394         lcdc_writel(lcdc_dev,CABC_GAUSS_LINE2_0,0x15110903);
 395         lcdc_writel(lcdc_dev,CABC_GAUSS_LINE2_1,0x00030911);
 396
 397         lcdc_writel(lcdc_dev,FRC_LOWER01_0,0x12844821);
 398         lcdc_writel(lcdc_dev,FRC_LOWER01_1,0x21488412);
 399         lcdc_writel(lcdc_dev,FRC_LOWER10_0,0xa55a9696);
 400         lcdc_writel(lcdc_dev,FRC_LOWER10_1,0x5aa56969);
 401         lcdc_writel(lcdc_dev,FRC_LOWER11_0,0xdeb77deb);
 402         lcdc_writel(lcdc_dev,FRC_LOWER11_1,0xed7bb7de);
 403
 404         mask =  m_AUTO_GATING_EN;
 405         val  =  v_AUTO_GATING_EN(0);
 406         lcdc_msk_reg(lcdc_dev, SYS_CTRL, mask,val);
 407         lcdc_cfg_done(lcdc_dev);
 408         if (dev_drv->iommu_enabled) /*disable win0 to workaround iommu pagefault*/
 409                 win0_enable(lcdc_dev, 0);
 410         lcdc_dev->pre_init = true;
 411
 412
 413         return 0;
 414 }
 415
 416 static void rk3288_lcdc_deint(struct lcdc_device *lcdc_dev)
 417 {
 418
 419
 420         rk3288_lcdc_disable_irq(lcdc_dev);
 421         spin_lock(&lcdc_dev->reg_lock);
 422         if (likely(lcdc_dev->clk_on)) {
 423                 lcdc_dev->clk_on = 0;
 424                 lcdc_set_bit(lcdc_dev, SYS_CTRL, m_STANDBY_EN);
 425                 lcdc_cfg_done(lcdc_dev);
 426                 spin_unlock(&lcdc_dev->reg_lock);
 427         } else {
 428                 spin_unlock(&lcdc_dev->reg_lock);
 429         }
 430         mdelay(1);
 431 }
 432 static int rk3288_lcdc_post_cfg(struct rk_lcdc_driver *dev_drv)
 433 {
 434         struct lcdc_device *lcdc_dev =
 435             container_of(dev_drv, struct lcdc_device, driver);
 436         struct rk_screen *screen = dev_drv->cur_screen;
 437         u16 x_res = screen->mode.xres;
 438         u16 y_res = screen->mode.yres;
 439         u32 mask, val;
 440         u16 h_total,v_total;
 441         u16 post_hsd_en,post_vsd_en;
 442         u16 post_dsp_hact_st,post_dsp_hact_end;
 443         u16 post_dsp_vact_st,post_dsp_vact_end;
 444         u16 post_dsp_vact_st_f1,post_dsp_vact_end_f1;
 445         u16 post_h_fac,post_v_fac;
 446
 447         h_total = screen->mode.hsync_len+screen->mode.left_margin +
 448                   x_res + screen->mode.right_margin;
 449         v_total = screen->mode.vsync_len+screen->mode.upper_margin +
 450                   y_res + screen->mode.lower_margin;
 451
 452         if(screen->post_dsp_stx + screen->post_xsize > x_res){
 453                 dev_warn(lcdc_dev->dev, "post:stx[%d] + xsize[%d] > x_res[%d]\n",
 454                         screen->post_dsp_stx,screen->post_xsize,x_res);
 455                 screen->post_dsp_stx = x_res - screen->post_xsize;
 456         }
 457         if(screen->x_mirror == 0){
 458                 post_dsp_hact_st=screen->post_dsp_stx +
 459                         screen->mode.hsync_len+screen->mode.left_margin;
 460                 post_dsp_hact_end = post_dsp_hact_st + screen->post_xsize;
 461         }else{
 462                 post_dsp_hact_end = h_total - screen->mode.right_margin -
 463                                         screen->post_dsp_stx;
 464                 post_dsp_hact_st = post_dsp_hact_end - screen->post_xsize;
 465         }
 466         if((screen->post_xsize < x_res)&&(screen->post_xsize != 0)){
 467                 post_hsd_en = 1;
 468                 post_h_fac =
 469                         GET_SCALE_FACTOR_BILI_DN(x_res , screen->post_xsize);
 470         }else{
 471                 post_hsd_en = 0;
 472                 post_h_fac = 0x1000;
 473         }
 474
 475
 476         if(screen->post_dsp_sty + screen->post_ysize > y_res){
 477                 dev_warn(lcdc_dev->dev, "post:sty[%d] + ysize[%d] > y_res[%d]\n",
 478                         screen->post_dsp_sty,screen->post_ysize,y_res);
 479                 screen->post_dsp_sty = y_res - screen->post_ysize;
 480         }
 481
 482         if(screen->y_mirror == 0){
 483                 post_dsp_vact_st = screen->post_dsp_sty +
 484                         screen->mode.vsync_len+screen->mode.upper_margin;
 485                 post_dsp_vact_end = post_dsp_vact_st + screen->post_ysize;
 486         }else{
 487                 post_dsp_vact_end = v_total - screen->mode.lower_margin -
 488                                         - screen->post_dsp_sty;
 489                 post_dsp_vact_st = post_dsp_vact_end - screen->post_ysize;
 490         }
 491         if((screen->post_ysize < y_res)&&(screen->post_ysize != 0)){
 492                 post_vsd_en = 1;
 493                 post_v_fac = GET_SCALE_FACTOR_BILI_DN(y_res, screen->post_ysize);
 494         }else{
 495                 post_vsd_en = 0;
 496                 post_v_fac = 0x1000;
 497         }
 498
 499         if(screen->interlace == 1){
 500                 post_dsp_vact_st_f1  = v_total + post_dsp_vact_st;
 501                 post_dsp_vact_end_f1 = post_dsp_vact_st_f1 + screen->post_ysize;
 502         }else{
 503                 post_dsp_vact_st_f1  = 0;
 504                 post_dsp_vact_end_f1 = 0;
 505         }
 506         DBG(1,"post:xsize=%d,ysize=%d,xpos=%d,ypos=%d,"
 507               "hsd_en=%d,h_fac=%d,vsd_en=%d,v_fac=%d\n",
 508                 screen->post_xsize,screen->post_ysize,screen->xpos,screen->ypos,
 509                 post_hsd_en,post_h_fac,post_vsd_en,post_v_fac);
 510         mask = m_DSP_HACT_END_POST | m_DSP_HACT_ST_POST;
 511         val = v_DSP_HACT_END_POST(post_dsp_hact_end) |
 512               v_DSP_HACT_ST_POST(post_dsp_hact_st);
 513         lcdc_msk_reg(lcdc_dev, POST_DSP_HACT_INFO, mask, val);
 514
 515         mask = m_DSP_VACT_END_POST | m_DSP_VACT_ST_POST;
 516         val = v_DSP_VACT_END_POST(post_dsp_vact_end) |
 517               v_DSP_VACT_ST_POST(post_dsp_vact_st);
 518         lcdc_msk_reg(lcdc_dev, POST_DSP_VACT_INFO, mask, val);
 519
 520         mask = m_POST_HS_FACTOR_YRGB | m_POST_VS_FACTOR_YRGB;
 521         val = v_POST_HS_FACTOR_YRGB(post_h_fac) |
 522                 v_POST_VS_FACTOR_YRGB(post_v_fac);
 523         lcdc_msk_reg(lcdc_dev, POST_SCL_FACTOR_YRGB, mask, val);
 524
 525         mask = m_DSP_VACT_END_POST_F1 | m_DSP_VACT_ST_POST_F1;
 526         val = v_DSP_VACT_END_POST_F1(post_dsp_vact_end_f1) |
 527                 v_DSP_VACT_ST_POST_F1(post_dsp_vact_st_f1);
 528         lcdc_msk_reg(lcdc_dev, POST_DSP_VACT_INFO_F1, mask, val);
 529
 530         mask = m_POST_HOR_SD_EN | m_POST_VER_SD_EN;
 531         val = v_POST_HOR_SD_EN(post_hsd_en) | v_POST_VER_SD_EN(post_vsd_en);
 532         lcdc_msk_reg(lcdc_dev, POST_SCL_CTRL, mask, val);
 533         return 0;
 534 }
 535
 536 static int rk3288_lcdc_clr_key_cfg(struct rk_lcdc_driver *dev_drv)
 537 {
 538         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 539                                                            struct
 540                                                            lcdc_device,
 541                                                            driver);
 542         struct rk_lcdc_win *win;
 543         u32  colorkey_r,colorkey_g,colorkey_b;
 544         int i,key_val;
 545         for(i=0;i<4;i++){
 546                 win = dev_drv->win[i];
 547                 key_val = win->color_key_val;
 548                 colorkey_r = (key_val & 0xff)<<2;
 549                 colorkey_g = ((key_val>>8)&0xff)<<12;
 550                 colorkey_b = ((key_val>>16)&0xff)<<22;
 551                 /*color key dither 565/888->aaa*/
 552                 key_val = colorkey_r | colorkey_g | colorkey_b;
 553                 switch(i){
 554                 case 0:
 555                         lcdc_writel(lcdc_dev, WIN0_COLOR_KEY, key_val);
 556                         break;
 557                 case 1:
 558                         lcdc_writel(lcdc_dev, WIN1_COLOR_KEY, key_val);
 559                         break;
 560                 case 2:
 561                         lcdc_writel(lcdc_dev, WIN2_COLOR_KEY, key_val);
 562                         break;
 563                 case 3:
 564                         lcdc_writel(lcdc_dev, WIN3_COLOR_KEY, key_val);
 565                         break;
 566                 default:
 567                         printk(KERN_WARNING "%s:un support win num:%d\n",
 568                                 __func__,i);
 569                         break;
 570                 }
 571         }
 572         return 0;
 573 }
 574
 575 static int rk3288_lcdc_alpha_cfg(struct rk_lcdc_driver *dev_drv,int win_id)
 576 {
 577         struct lcdc_device *lcdc_dev =
 578                 container_of(dev_drv, struct lcdc_device, driver);
 579         struct rk_lcdc_win *win = dev_drv->win[win_id];
 580         struct alpha_config alpha_config;
 581
 582         u32 mask, val;
 583         int ppixel_alpha,global_alpha;
 584         u32 src_alpha_ctl,dst_alpha_ctl;
 585         ppixel_alpha = ((win->area[0].format == ARGB888) ||
 586                         (win->area[0].format == ABGR888)) ? 1 : 0;
 587         global_alpha = (win->g_alpha_val == 0) ? 0 : 1;
 588         alpha_config.src_global_alpha_val = win->g_alpha_val;
 589         win->alpha_mode = AB_SRC_OVER;
 590         /*printk("%s,alpha_mode=%d,alpha_en=%d,ppixel_a=%d,gla_a=%d\n",
 591                 __func__,win->alpha_mode,win->alpha_en,ppixel_alpha,global_alpha);*/
 592         switch(win->alpha_mode){
 593         case AB_USER_DEFINE:
 594                 break;
 595         case AB_CLEAR:
 596                 alpha_config.src_factor_mode=AA_ZERO;
 597                 alpha_config.dst_factor_mode=AA_ZERO;
 598                 break;
 599         case AB_SRC:
 600                 alpha_config.src_factor_mode=AA_ONE;
 601                 alpha_config.dst_factor_mode=AA_ZERO;
 602                 break;
 603         case AB_DST:
 604                 alpha_config.src_factor_mode=AA_ZERO;
 605                 alpha_config.dst_factor_mode=AA_ONE;
 606                 break;
 607         case AB_SRC_OVER:
 608                 alpha_config.src_color_mode=AA_SRC_PRE_MUL;
 609                 if(global_alpha)
 610                         alpha_config.src_factor_mode=AA_SRC_GLOBAL;
 611                 else
 612                         alpha_config.src_factor_mode=AA_ONE;
 613                 alpha_config.dst_factor_mode=AA_SRC_INVERSE;
 614                 break;
 615         case AB_DST_OVER:
 616                 alpha_config.src_color_mode=AA_SRC_PRE_MUL;
 617                 alpha_config.src_factor_mode=AA_SRC_INVERSE;
 618                 alpha_config.dst_factor_mode=AA_ONE;
 619                 break;
 620         case AB_SRC_IN:
 621                 alpha_config.src_color_mode=AA_SRC_PRE_MUL;
 622                 alpha_config.src_factor_mode=AA_SRC;
 623                 alpha_config.dst_factor_mode=AA_ZERO;
 624                 break;
 625         case AB_DST_IN:
 626                 alpha_config.src_factor_mode=AA_ZERO;
 627                 alpha_config.dst_factor_mode=AA_SRC;
 628                 break;
 629         case AB_SRC_OUT:
 630                 alpha_config.src_color_mode=AA_SRC_PRE_MUL;
 631                 alpha_config.src_factor_mode=AA_SRC_INVERSE;
 632                 alpha_config.dst_factor_mode=AA_ZERO;
 633                 break;
 634         case AB_DST_OUT:
 635                 alpha_config.src_factor_mode=AA_ZERO;
 636                 alpha_config.dst_factor_mode=AA_SRC_INVERSE;
 637                 break;
 638         case AB_SRC_ATOP:
 639                 alpha_config.src_color_mode=AA_SRC_PRE_MUL;
 640                 alpha_config.src_factor_mode=AA_SRC;
 641                 alpha_config.dst_factor_mode=AA_SRC_INVERSE;
 642                 break;
 643         case AB_DST_ATOP:
 644                 alpha_config.src_color_mode=AA_SRC_PRE_MUL;
 645                 alpha_config.src_factor_mode=AA_SRC_INVERSE;
 646                 alpha_config.dst_factor_mode=AA_SRC;
 647                 break;
 648         case XOR:
 649                 alpha_config.src_color_mode=AA_SRC_PRE_MUL;
 650                 alpha_config.src_factor_mode=AA_SRC_INVERSE;
 651                 alpha_config.dst_factor_mode=AA_SRC_INVERSE;
 652                 break;
 653         case AB_SRC_OVER_GLOBAL:
 654                 alpha_config.src_global_alpha_mode=AA_PER_PIX_GLOBAL;
 655                 alpha_config.src_color_mode=AA_SRC_NO_PRE_MUL;
 656                 alpha_config.src_factor_mode=AA_SRC_GLOBAL;
 657                 alpha_config.dst_factor_mode=AA_SRC_INVERSE;
 658                 break;
 659         default:
 660                 pr_err("alpha mode error\n");
 661                 break;
 662         }
 663         if((ppixel_alpha == 1)&&(global_alpha == 1)){
 664                 alpha_config.src_global_alpha_mode = AA_PER_PIX_GLOBAL;
 665         }else if(ppixel_alpha == 1){
 666                 alpha_config.src_global_alpha_mode = AA_PER_PIX;
 667         }else if(global_alpha == 1){
 668                 alpha_config.src_global_alpha_mode = AA_GLOBAL;
 669         }else{
 670                 dev_warn(lcdc_dev->dev,"alpha_en should be 0\n");
 671         }
 672         alpha_config.src_alpha_mode = AA_STRAIGHT;
 673         alpha_config.src_alpha_cal_m0 = AA_NO_SAT;
 674
 675         switch(win_id){
 676         case 0:
 677                 src_alpha_ctl = 0x60;
 678                 dst_alpha_ctl = 0x64;
 679                 break;
 680         case 1:
 681                 src_alpha_ctl = 0xa0;
 682                 dst_alpha_ctl = 0xa4;
 683                 break;
 684         case 2:
 685                 src_alpha_ctl = 0xdc;
 686                 dst_alpha_ctl = 0xec;
 687                 break;
 688         case 3:
 689                 src_alpha_ctl = 0x12c;
 690                 dst_alpha_ctl = 0x13c;
 691                 break;
 692         }
 693         mask = m_WIN0_DST_FACTOR_M0;
 694         val  = v_WIN0_DST_FACTOR_M0(alpha_config.dst_factor_mode);
 695         lcdc_msk_reg(lcdc_dev, dst_alpha_ctl, mask, val);
 696         mask = m_WIN0_SRC_ALPHA_EN | m_WIN0_SRC_COLOR_M0 |
 697                 m_WIN0_SRC_ALPHA_M0 | m_WIN0_SRC_BLEND_M0 |
 698                 m_WIN0_SRC_ALPHA_CAL_M0 | m_WIN0_SRC_FACTOR_M0|
 699                 m_WIN0_SRC_GLOBAL_ALPHA;
 700         val = v_WIN0_SRC_ALPHA_EN(1) |
 701                 v_WIN0_SRC_COLOR_M0(alpha_config.src_color_mode) |
 702                 v_WIN0_SRC_ALPHA_M0(alpha_config.src_alpha_mode) |
 703                 v_WIN0_SRC_BLEND_M0(alpha_config.src_global_alpha_mode) |
 704                 v_WIN0_SRC_ALPHA_CAL_M0(alpha_config.src_alpha_cal_m0) |
 705                 v_WIN0_SRC_FACTOR_M0(alpha_config.src_factor_mode) |
 706                 v_WIN0_SRC_GLOBAL_ALPHA(alpha_config.src_global_alpha_val);
 707         lcdc_msk_reg(lcdc_dev, src_alpha_ctl, mask, val);
 708
 709         return 0;
 710 }
 711 static int rk3288_lcdc_area_swap(struct rk_lcdc_win *win,int area_num)
 712 {
 713         struct rk_lcdc_win_area area_temp;
 714         switch(area_num){
 715         case 2:
 716                 area_temp = win->area[0];
 717                 win->area[0] = win->area[1];
 718                 win->area[1] = area_temp;
 719                 break;
 720         case 3:
 721                 area_temp = win->area[0];
 722                 win->area[0] = win->area[2];
 723                 win->area[2] = area_temp;
 724                 break;
 725         case 4:
 726                 area_temp = win->area[0];
 727                 win->area[0] = win->area[3];
 728                 win->area[3] = area_temp;
 729
 730                 area_temp = win->area[1];
 731                 win->area[1] = win->area[2];
 732                 win->area[2] = area_temp;
 733                 break;
 734         default:
 735                 printk(KERN_WARNING "un supported area num!\n");
 736                 break;
 737         }
 738         return 0;
 739 }
 740
 741 static int rk3288_win_area_check_var(int win_id,int area_num,struct rk_lcdc_win_area *area_pre,
 742                         struct rk_lcdc_win_area *area_now)
 743 {
 744         if((area_pre->ypos >= area_now->ypos) ||
 745                 (area_pre->ypos+area_pre->ysize > area_now->ypos)){
 746                 area_now->state = 0;
 747                 pr_err("win[%d]:\n"
 748                         "area_pre[%d]:ypos[%d],ysize[%d]\n"
 749                         "area_now[%d]:ypos[%d],ysize[%d]\n",
 750                         win_id,
 751                         area_num-1,area_pre->ypos,area_pre->ysize,
 752                         area_num,  area_now->ypos,area_now->ysize);
 753                 return -EINVAL;
 754         }
 755         return 0;
 756 }
 757
 758 static int rk3288_win_0_1_reg_update(struct rk_lcdc_driver *dev_drv,int win_id)
 759 {
 760         struct lcdc_device *lcdc_dev =
 761             container_of(dev_drv, struct lcdc_device, driver);
 762         struct rk_lcdc_win *win = dev_drv->win[win_id];
 763         unsigned int mask, val, off;
 764         off = win_id * 0x40;
 765         if(win->win_lb_mode == 5)
 766                 win->win_lb_mode = 4;
 767
 768         if(win->state == 1){
 769                 mask =  m_WIN0_EN | m_WIN0_DATA_FMT | m_WIN0_FMT_10 |
 770                         m_WIN0_LB_MODE | m_WIN0_RB_SWAP | m_WIN0_UV_SWAP;
 771                 val  =  v_WIN0_EN(win->state) |
 772                         v_WIN0_DATA_FMT(win->area[0].fmt_cfg) |
 773                         v_WIN0_FMT_10(win->fmt_10) |
 774                         v_WIN0_LB_MODE(win->win_lb_mode) |
 775                         v_WIN0_RB_SWAP(win->area[0].swap_rb) |
 776                         v_WIN0_UV_SWAP(win->area[0].swap_uv);
 777                 lcdc_msk_reg(lcdc_dev, WIN0_CTRL0+off, mask,val);
 778
 779                 mask =  m_WIN0_BIC_COE_SEL |
 780                         m_WIN0_VSD_YRGB_GT4 | m_WIN0_VSD_YRGB_GT2 |
 781                         m_WIN0_VSD_CBR_GT4 | m_WIN0_VSD_CBR_GT2 |
 782                         m_WIN0_YRGB_HOR_SCL_MODE | m_WIN0_YRGB_VER_SCL_MODE |
 783                         m_WIN0_YRGB_HSD_MODE | m_WIN0_YRGB_VSU_MODE |
 784                         m_WIN0_YRGB_VSD_MODE | m_WIN0_CBR_HOR_SCL_MODE |
 785                         m_WIN0_CBR_VER_SCL_MODE | m_WIN0_CBR_HSD_MODE |
 786                         m_WIN0_CBR_VSU_MODE | m_WIN0_CBR_VSD_MODE;
 787                 val =   v_WIN0_BIC_COE_SEL(win->bic_coe_el) |
 788                         v_WIN0_VSD_YRGB_GT4(win->vsd_yrgb_gt4) |
 789                         v_WIN0_VSD_YRGB_GT2(win->vsd_yrgb_gt2) |
 790                         v_WIN0_VSD_CBR_GT4(win->vsd_cbr_gt4) |
 791                         v_WIN0_VSD_CBR_GT2(win->vsd_cbr_gt2) |
 792                         v_WIN0_YRGB_HOR_SCL_MODE(win->yrgb_hor_scl_mode) |
 793                         v_WIN0_YRGB_VER_SCL_MODE(win->yrgb_ver_scl_mode) |
 794                         v_WIN0_YRGB_HSD_MODE(win->yrgb_hsd_mode) |
 795                         v_WIN0_YRGB_VSU_MODE(win->yrgb_vsu_mode) |
 796                         v_WIN0_YRGB_VSD_MODE(win->yrgb_vsd_mode) |
 797                         v_WIN0_CBR_HOR_SCL_MODE(win->cbr_hor_scl_mode) |
 798                         v_WIN0_CBR_VER_SCL_MODE(win->cbr_ver_scl_mode) |
 799                         v_WIN0_CBR_HSD_MODE(win->cbr_hsd_mode) |
 800                         v_WIN0_CBR_VSU_MODE(win->cbr_vsu_mode) |
 801                         v_WIN0_CBR_VSD_MODE(win->cbr_vsd_mode);
 802                 lcdc_msk_reg(lcdc_dev, WIN0_CTRL1+off, mask,val);
 803
 804                 val =   v_WIN0_VIR_STRIDE(win->area[0].y_vir_stride) |
 805                         v_WIN0_VIR_STRIDE_UV(win->area[0].uv_vir_stride);
 806                 lcdc_writel(lcdc_dev, WIN0_VIR+off, val);
 807                 /*lcdc_writel(lcdc_dev, WIN0_YRGB_MST+off, win->area[0].y_addr);
 808                 lcdc_writel(lcdc_dev, WIN0_CBR_MST+off, win->area[0].uv_addr);*/
 809                 val =   v_WIN0_ACT_WIDTH(win->area[0].xact) |
 810                         v_WIN0_ACT_HEIGHT(win->area[0].yact);
 811                 lcdc_writel(lcdc_dev, WIN0_ACT_INFO+off, val);
 812
 813                 val =   v_WIN0_DSP_WIDTH(win->area[0].xsize) |
 814                         v_WIN0_DSP_HEIGHT(win->area[0].ysize);
 815                 lcdc_writel(lcdc_dev, WIN0_DSP_INFO+off, val);
 816
 817                 val =   v_WIN0_DSP_XST(win->area[0].dsp_stx) |
 818                         v_WIN0_DSP_YST(win->area[0].dsp_sty);
 819                 lcdc_writel(lcdc_dev, WIN0_DSP_ST+off, val);
 820
 821                 val =   v_WIN0_HS_FACTOR_YRGB(win->scale_yrgb_x) |
 822                         v_WIN0_VS_FACTOR_YRGB(win->scale_yrgb_y);
 823                 lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_YRGB+off, val);
 824
 825                 val =   v_WIN0_HS_FACTOR_CBR(win->scale_cbcr_x) |
 826                         v_WIN0_VS_FACTOR_CBR(win->scale_cbcr_y);
 827                 lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_CBR+off, val);
 828                 if(win->alpha_en == 1)
 829                         rk3288_lcdc_alpha_cfg(dev_drv,win_id);
 830                 else{
 831                         mask = m_WIN0_SRC_ALPHA_EN;
 832                         val = v_WIN0_SRC_ALPHA_EN(0);
 833                         lcdc_msk_reg(lcdc_dev,WIN0_SRC_ALPHA_CTRL+off,mask,val);
 834                 }
 835                 /*offset*/
 836         }else{
 837                 mask = m_WIN0_EN;
 838                 val = v_WIN0_EN(win->state);
 839                 lcdc_msk_reg(lcdc_dev, WIN0_CTRL0+off, mask,val);
 840         }
 841         return 0;
 842 }
 843
 844 static int rk3288_win_2_3_reg_update(struct rk_lcdc_driver *dev_drv,int win_id)
 845 {
 846         struct lcdc_device *lcdc_dev =
 847             container_of(dev_drv, struct lcdc_device, driver);
 848         struct rk_lcdc_win *win = dev_drv->win[win_id];
 849         struct rk_screen *screen = dev_drv->cur_screen;
 850         unsigned int mask, val, off;
 851         off = (win_id-2) * 0x50;
 852         if((screen->y_mirror == 1)&&(win->area_num > 1)){
 853                 rk3288_lcdc_area_swap(win,win->area_num);
 854         }
 855
 856         if(win->state == 1){
 857                 mask =  m_WIN2_EN | m_WIN2_DATA_FMT | m_WIN2_RB_SWAP;
 858                 val  =  v_WIN2_EN(1) |
 859                         v_WIN2_DATA_FMT(win->area[0].fmt_cfg) |
 860                         v_WIN2_RB_SWAP(win->area[0].swap_rb);
 861                 lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 862                 /*area 0*/
 863                 if(win->area[0].state == 1){
 864                         mask = m_WIN2_MST0_EN;
 865                         val  = v_WIN2_MST0_EN(win->area[0].state);
 866                         lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 867
 868                         mask = m_WIN2_VIR_STRIDE0;
 869                         val  = v_WIN2_VIR_STRIDE0(win->area[0].y_vir_stride);
 870                         lcdc_msk_reg(lcdc_dev,WIN2_VIR0_1+off,mask,val);
 871
 872                         /*lcdc_writel(lcdc_dev,WIN2_MST0+off,win->area[0].y_addr);*/
 873                         val  =  v_WIN2_DSP_WIDTH0(win->area[0].xsize) |
 874                                 v_WIN2_DSP_HEIGHT0(win->area[0].ysize);
 875                         lcdc_writel(lcdc_dev,WIN2_DSP_INFO0+off,val);
 876                         val  =  v_WIN2_DSP_XST0(win->area[0].dsp_stx) |
 877                                 v_WIN2_DSP_YST0(win->area[0].dsp_sty);
 878                         lcdc_writel(lcdc_dev,WIN2_DSP_ST0+off,val);
 879                 }else{
 880                         mask = m_WIN2_MST0_EN;
 881                         val  = v_WIN2_MST0_EN(0);
 882                         lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 883                 }
 884                 /*area 1*/
 885                 if(win->area[1].state == 1){
 886                         rk3288_win_area_check_var(win_id,1,&win->area[0],&win->area[1]);
 887
 888                         mask = m_WIN2_MST1_EN;
 889                         val  = v_WIN2_MST1_EN(win->area[1].state);
 890                         lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 891
 892                         mask = m_WIN2_VIR_STRIDE1;
 893                         val  = v_WIN2_VIR_STRIDE1(win->area[1].y_vir_stride);
 894                         lcdc_msk_reg(lcdc_dev,WIN2_VIR0_1+off,mask,val);
 895
 896                         /*lcdc_writel(lcdc_dev,WIN2_MST1+off,win->area[1].y_addr);*/
 897                         val  =  v_WIN2_DSP_WIDTH1(win->area[1].xsize) |
 898                                 v_WIN2_DSP_HEIGHT1(win->area[1].ysize);
 899                         lcdc_writel(lcdc_dev,WIN2_DSP_INFO1+off,val);
 900                         val  =  v_WIN2_DSP_XST1(win->area[1].dsp_stx) |
 901                                 v_WIN2_DSP_YST1(win->area[1].dsp_sty);
 902                         lcdc_writel(lcdc_dev,WIN2_DSP_ST1+off,val);
 903                 }else{
 904                         mask = m_WIN2_MST1_EN;
 905                         val  = v_WIN2_MST1_EN(0);
 906                         lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 907                 }
 908                 /*area 2*/
 909                 if(win->area[2].state == 1){
 910                         rk3288_win_area_check_var(win_id,2,&win->area[1],&win->area[2]);
 911
 912                         mask = m_WIN2_MST2_EN;
 913                         val  = v_WIN2_MST2_EN(win->area[2].state);
 914                         lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 915
 916                         mask = m_WIN2_VIR_STRIDE2;
 917                         val  = v_WIN2_VIR_STRIDE2(win->area[2].y_vir_stride);
 918                         lcdc_msk_reg(lcdc_dev,WIN2_VIR2_3+off,mask,val);
 919
 920                         /*lcdc_writel(lcdc_dev,WIN2_MST2+off,win->area[2].y_addr);*/
 921                         val  =  v_WIN2_DSP_WIDTH2(win->area[2].xsize) |
 922                                 v_WIN2_DSP_HEIGHT2(win->area[2].ysize);
 923                         lcdc_writel(lcdc_dev,WIN2_DSP_INFO2+off,val);
 924                         val  =  v_WIN2_DSP_XST2(win->area[2].dsp_stx) |
 925                                 v_WIN2_DSP_YST2(win->area[2].dsp_sty);
 926                         lcdc_writel(lcdc_dev,WIN2_DSP_ST2+off,val);
 927                 }else{
 928                         mask = m_WIN2_MST2_EN;
 929                         val  = v_WIN2_MST2_EN(0);
 930                         lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 931                 }
 932                 /*area 3*/
 933                 if(win->area[3].state == 1){
 934                         rk3288_win_area_check_var(win_id,3,&win->area[2],&win->area[3]);
 935
 936                         mask = m_WIN2_MST3_EN;
 937                         val  = v_WIN2_MST3_EN(win->area[3].state);
 938                         lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 939
 940                         mask = m_WIN2_VIR_STRIDE3;
 941                         val  = v_WIN2_VIR_STRIDE3(win->area[3].y_vir_stride);
 942                         lcdc_msk_reg(lcdc_dev,WIN2_VIR2_3+off,mask,val);
 943
 944                         /*lcdc_writel(lcdc_dev,WIN2_MST3+off,win->area[3].y_addr);*/
 945                         val  =  v_WIN2_DSP_WIDTH3(win->area[3].xsize) |
 946                                 v_WIN2_DSP_HEIGHT3(win->area[3].ysize);
 947                         lcdc_writel(lcdc_dev,WIN2_DSP_INFO3+off,val);
 948                         val  =  v_WIN2_DSP_XST3(win->area[3].dsp_stx) |
 949                                 v_WIN2_DSP_YST3(win->area[3].dsp_sty);
 950                         lcdc_writel(lcdc_dev,WIN2_DSP_ST3+off,val);
 951                 }else{
 952                         mask = m_WIN2_MST3_EN;
 953                         val  = v_WIN2_MST3_EN(0);
 954                         lcdc_msk_reg(lcdc_dev,WIN2_CTRL0+off,mask,val);
 955                 }
 956
 957                 if(win->alpha_en == 1)
 958                         rk3288_lcdc_alpha_cfg(dev_drv,win_id);
 959                 else{
 960                         mask = m_WIN2_SRC_ALPHA_EN;
 961                         val = v_WIN2_SRC_ALPHA_EN(0);
 962                         lcdc_msk_reg(lcdc_dev,WIN2_SRC_ALPHA_CTRL+off,mask,val);
 963                 }
 964         }else{
 965                 mask =  m_WIN2_EN | m_WIN2_MST0_EN |
 966                         m_WIN2_MST0_EN | m_WIN2_MST2_EN |
 967                         m_WIN2_MST3_EN;
 968                 val  =  v_WIN2_EN(win->state) | v_WIN2_MST0_EN(0) |
 969                         v_WIN2_MST1_EN(0) | v_WIN2_MST2_EN(0) |
 970                         v_WIN2_MST3_EN(0);
 971                 lcdc_msk_reg(lcdc_dev, WIN2_CTRL0+off, mask,val);
 972         }
 973         return 0;
 974 }
 975
 976 static int rk3288_lcdc_reg_update(struct rk_lcdc_driver *dev_drv)
 977 {
 978         struct lcdc_device *lcdc_dev =
 979             container_of(dev_drv, struct lcdc_device, driver);
 980         int timeout;
 981         unsigned long flags;
 982
 983         spin_lock(&lcdc_dev->reg_lock);
 984         if(likely(lcdc_dev->clk_on))
 985         {
 986                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_STANDBY_EN,
 987                              v_STANDBY_EN(lcdc_dev->standby));
 988                 rk3288_win_0_1_reg_update(dev_drv,0);
 989                 rk3288_win_0_1_reg_update(dev_drv,1);
 990                 rk3288_win_2_3_reg_update(dev_drv,2);
 991                 rk3288_win_2_3_reg_update(dev_drv,3);
 992                 /*rk3288_lcdc_post_cfg(dev_drv);*/
 993                 lcdc_cfg_done(lcdc_dev);
 994         }
 995         spin_unlock(&lcdc_dev->reg_lock);
 996
 997         /*if (dev_drv->wait_fs) {*/
 998         if (0){
 999                 spin_lock_irqsave(&dev_drv->cpl_lock, flags);
1000                 init_completion(&dev_drv->frame_done);
1001                 spin_unlock_irqrestore(&dev_drv->cpl_lock, flags);
1002                 timeout = wait_for_completion_timeout(&dev_drv->frame_done,
1003                                                       msecs_to_jiffies
1004                                                       (dev_drv->cur_screen->ft +
1005                                                        5));
1006                 if (!timeout && (!dev_drv->frame_done.done)) {
1007                         dev_warn(lcdc_dev->dev, "wait for new frame start time out!\n");
1008                         return -ETIMEDOUT;
1009                 }
1010         }
1011         DBG(2, "%s for lcdc%d\n", __func__, lcdc_dev->id);
1012         return 0;
1013
1014 }
1015
1016 static int rk3288_lcdc_reg_restore(struct lcdc_device *lcdc_dev)
1017 {
1018         if (lcdc_dev->driver.iommu_enabled)
1019                 memcpy((u8 *) lcdc_dev->regs, (u8 *) lcdc_dev->regsbak, 0x330);
1020         else
1021                 memcpy((u8 *) lcdc_dev->regs, (u8 *) lcdc_dev->regsbak, 0x1fc);
1022         return 0;
1023 }
1024 static int rk3288_lcdc_mmu_en(struct rk_lcdc_driver *dev_drv)
1025 {
1026         u32 mask,val;
1027         struct lcdc_device *lcdc_dev =
1028             container_of(dev_drv, struct lcdc_device, driver);
1029         spin_lock(&lcdc_dev->reg_lock);
1030         if (likely(lcdc_dev->clk_on)) {
1031                 mask = m_MMU_EN;
1032                 val = v_MMU_EN(1);
1033                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, mask, val);
1034                 mask = m_AXI_MAX_OUTSTANDING_EN | m_AXI_OUTSTANDING_MAX_NUM;
1035                 val = v_AXI_OUTSTANDING_MAX_NUM(31) | v_AXI_MAX_OUTSTANDING_EN(1);
1036                 lcdc_msk_reg(lcdc_dev, SYS_CTRL1, mask, val);
1037         }
1038         spin_unlock(&lcdc_dev->reg_lock);
1039         return 0;
1040 }
1041
1042 static int rk3288_lcdc_set_dclk(struct rk_lcdc_driver *dev_drv)
1043 {
1044 #ifdef CONFIG_RK_FPGA
1045         return 0;
1046 #endif
1047         int ret,fps;
1048         struct lcdc_device *lcdc_dev =
1049             container_of(dev_drv, struct lcdc_device, driver);
1050         struct rk_screen *screen = dev_drv->cur_screen;
1051
1052         ret = clk_set_rate(lcdc_dev->dclk, screen->mode.pixclock);
1053         if (ret)
1054                 dev_err(dev_drv->dev, "set lcdc%d dclk failed\n", lcdc_dev->id);
1055         lcdc_dev->pixclock =
1056                  div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
1057         lcdc_dev->driver.pixclock = lcdc_dev->pixclock;
1058
1059         fps = rk_fb_calc_fps(screen, lcdc_dev->pixclock);
1060         screen->ft = 1000 / fps;
1061         dev_info(lcdc_dev->dev, "%s: dclk:%lu>>fps:%d ",
1062                  lcdc_dev->driver.name, clk_get_rate(lcdc_dev->dclk), fps);
1063         return 0;
1064
1065 }
1066
1067 static int rk3288_get_dspbuf_info(struct rk_lcdc_driver *dev_drv, u16 *xact,
1068                                   u16 *yact, int *format, u32 *dsp_addr)
1069 {
1070         struct lcdc_device *lcdc_dev = container_of(dev_drv,
1071                                                     struct lcdc_device, driver);
1072         u32 val;
1073
1074         spin_lock(&lcdc_dev->reg_lock);
1075
1076         val = lcdc_readl(lcdc_dev, WIN0_ACT_INFO);
1077         *xact = (val & m_WIN0_ACT_WIDTH) + 1;
1078         *yact = ((val & m_WIN0_ACT_HEIGHT)>>16) + 1;
1079
1080         val = lcdc_readl(lcdc_dev, WIN0_CTRL0);
1081         *format = (val & m_WIN0_DATA_FMT) >> 1;
1082         *dsp_addr = lcdc_readl(lcdc_dev, WIN0_YRGB_MST);
1083
1084         spin_unlock(&lcdc_dev->reg_lock);
1085
1086         return 0;
1087 }
1088
1089 static int rk3288_post_dspbuf(struct rk_lcdc_driver *dev_drv, u32 rgb_mst,
1090                               int format, u16 xact, u16 yact, u16 xvir)
1091 {
1092         struct lcdc_device *lcdc_dev = container_of(dev_drv,
1093                                                     struct lcdc_device, driver);
1094         u32 val, mask;
1095         int swap = (format == RGB888) ? 1 : 0;
1096
1097         mask = m_WIN0_DATA_FMT | m_WIN0_RB_SWAP;
1098         val = v_WIN0_DATA_FMT(format) | v_WIN0_RB_SWAP(swap);
1099         lcdc_msk_reg(lcdc_dev, WIN0_CTRL0, mask, val);
1100
1101         lcdc_msk_reg(lcdc_dev, WIN0_VIR, m_WIN0_VIR_STRIDE,
1102                         v_WIN0_VIR_STRIDE(xvir));
1103         lcdc_writel(lcdc_dev, WIN0_ACT_INFO, v_WIN0_ACT_WIDTH(xact) |
1104                     v_WIN0_ACT_HEIGHT(yact));
1105
1106         lcdc_writel(lcdc_dev, WIN0_YRGB_MST, rgb_mst);
1107
1108         lcdc_cfg_done(lcdc_dev);
1109
1110         return 0;
1111 }
1112
1113 static int rk3288_load_screen(struct rk_lcdc_driver *dev_drv, bool initscreen)
1114 {
1115         u16 face = 0;
1116         u32 v=0;
1117         struct lcdc_device *lcdc_dev =
1118             container_of(dev_drv, struct lcdc_device, driver);
1119         struct rk_screen *screen = dev_drv->cur_screen;
1120         u16 hsync_len = screen->mode.hsync_len;
1121         u16 left_margin = screen->mode.left_margin;
1122         u16 right_margin = screen->mode.right_margin;
1123         u16 vsync_len = screen->mode.vsync_len;
1124         u16 upper_margin = screen->mode.upper_margin;
1125         u16 lower_margin = screen->mode.lower_margin;
1126         u16 x_res = screen->mode.xres;
1127         u16 y_res = screen->mode.yres;
1128         u32 mask, val;
1129         u16 h_total,v_total;
1130
1131         h_total = hsync_len + left_margin  + x_res + right_margin;
1132         v_total = vsync_len + upper_margin + y_res + lower_margin;
1133
1134         screen->post_dsp_stx = x_res * (100 - screen->overscan.left) / 200;
1135         screen->post_dsp_sty = y_res * (100 - screen->overscan.top) / 200;
1136         screen->post_xsize = x_res * (screen->overscan.left + screen->overscan.right) / 200;
1137         screen->post_ysize = y_res * (screen->overscan.top + screen->overscan.bottom) / 200;
1138
1139         spin_lock(&lcdc_dev->reg_lock);
1140         if (likely(lcdc_dev->clk_on)) {
1141                 switch (screen->face) {
1142                 case OUT_P565:
1143                         face = OUT_P565;
1144                         mask = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
1145                             m_DITHER_DOWN_SEL;
1146                         val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0) |
1147                             v_DITHER_DOWN_SEL(1);
1148                         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
1149                         break;
1150                 case OUT_P666:
1151                         face = OUT_P666;
1152                         mask = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
1153                             m_DITHER_DOWN_SEL;
1154                         val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1) |
1155                             v_DITHER_DOWN_SEL(1);
1156                         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
1157                         break;
1158                 case OUT_D888_P565:
1159                         face = OUT_P888;
1160                         mask = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
1161                             m_DITHER_DOWN_SEL;
1162                         val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0) |
1163                             v_DITHER_DOWN_SEL(1);
1164                         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
1165                         break;
1166                 case OUT_D888_P666:
1167                         face = OUT_P888;
1168                         mask = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
1169                             m_DITHER_DOWN_SEL;
1170                         val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1) |
1171                             v_DITHER_DOWN_SEL(1);
1172                         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
1173                         break;
1174                 case OUT_P888:
1175                         face = OUT_P888;
1176                         mask = m_DITHER_DOWN_EN | m_DITHER_UP_EN;
1177                         val = v_DITHER_DOWN_EN(0) | v_DITHER_UP_EN(0);
1178                         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
1179                         break;
1180                 default:
1181                         dev_err(lcdc_dev->dev,"un supported interface!\n");
1182                         break;
1183                 }
1184                 switch(screen->type){
1185                 case SCREEN_RGB:
1186                 case SCREEN_LVDS:
1187                 case SCREEN_DUAL_LVDS:
1188                         mask = m_RGB_OUT_EN;
1189                         val = v_RGB_OUT_EN(1);
1190                         v = 1 << (3+16);
1191                         v |= (lcdc_dev->id << 3);
1192                         break;
1193                 case SCREEN_LVDS_10BIT:
1194                 case SCREEN_DUAL_LVDS_10BIT:
1195                         mask = m_RGB_OUT_EN;
1196                         val = v_RGB_OUT_EN(1);
1197                         v = 1 << (3+16);
1198                         v |= (lcdc_dev->id << 3);
1199                         face = OUT_RGB_AAA;  /*RGB AAA output*/
1200                         break;
1201                 case SCREEN_HDMI:
1202                         face = OUT_RGB_AAA;
1203                         mask = m_HDMI_OUT_EN;
1204                         val = v_HDMI_OUT_EN(1);
1205                         break;
1206                 case SCREEN_MIPI:
1207                         mask = m_MIPI_OUT_EN;
1208                         val = v_MIPI_OUT_EN(1);
1209                         break;
1210                 case SCREEN_DUAL_MIPI:
1211                         mask = m_MIPI_OUT_EN | m_DOUB_CHANNEL_EN;
1212                         val = v_MIPI_OUT_EN(1) | v_DOUB_CHANNEL_EN(1);
1213                         break;
1214                 case SCREEN_EDP:
1215                         face = OUT_RGB_AAA;  /*RGB AAA output*/
1216                         mask = m_DITHER_DOWN_EN | m_DITHER_UP_EN;
1217                         val = v_DITHER_DOWN_EN(0) | v_DITHER_UP_EN(0);
1218                         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
1219                         mask = m_EDP_OUT_EN;
1220                         val = v_EDP_OUT_EN(1);
1221                         break;
1222                 }
1223                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, mask, val);
1224 #ifndef CONFIG_RK_FPGA
1225                 writel_relaxed(v, RK_GRF_VIRT + RK3288_GRF_SOC_CON6);
1226 #endif
1227                 mask = m_DSP_OUT_MODE | m_DSP_HSYNC_POL | m_DSP_VSYNC_POL |
1228                        m_DSP_DEN_POL | m_DSP_DCLK_POL | m_DSP_BG_SWAP |
1229                        m_DSP_RB_SWAP | m_DSP_RG_SWAP | m_DSP_DELTA_SWAP |
1230                        m_DSP_DUMMY_SWAP | m_DSP_OUT_ZERO | m_DSP_BLANK_EN |
1231                        m_DSP_BLACK_EN | m_DSP_X_MIR_EN | m_DSP_Y_MIR_EN;
1232                 val = v_DSP_OUT_MODE(face) | v_DSP_HSYNC_POL(screen->pin_hsync) |
1233                       v_DSP_VSYNC_POL(screen->pin_vsync) |
1234                       v_DSP_DEN_POL(screen->pin_den) | v_DSP_DCLK_POL(screen->pin_dclk) |
1235                       v_DSP_BG_SWAP(screen->swap_gb) | v_DSP_RB_SWAP(screen->swap_rb) |
1236                       v_DSP_RG_SWAP(screen->swap_rg) |
1237                       v_DSP_DELTA_SWAP(screen->swap_delta) |
1238                       v_DSP_DUMMY_SWAP(screen->swap_dumy) | v_DSP_OUT_ZERO(0) |
1239                       v_DSP_BLANK_EN(0) | v_DSP_BLACK_EN(0) |
1240                       v_DSP_X_MIR_EN(screen->x_mirror) | v_DSP_Y_MIR_EN(screen->y_mirror);
1241                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
1242
1243                 mask = m_DSP_BG_BLUE | m_DSP_BG_GREEN | m_DSP_BG_RED;
1244                 val  = v_DSP_BG_BLUE(0) | v_DSP_BG_GREEN(0) | v_DSP_BG_RED(0);
1245                 lcdc_msk_reg(lcdc_dev, DSP_BG, mask, val);
1246
1247                 mask = m_DSP_HS_PW | m_DSP_HTOTAL;
1248                 val = v_DSP_HS_PW(hsync_len) | v_DSP_HTOTAL(h_total);
1249                 lcdc_msk_reg(lcdc_dev, DSP_HTOTAL_HS_END, mask, val);
1250
1251                 mask = m_DSP_HACT_END | m_DSP_HACT_ST;
1252                 val = v_DSP_HACT_END(hsync_len + left_margin + x_res) |
1253                     v_DSP_HACT_ST(hsync_len + left_margin);
1254                 lcdc_msk_reg(lcdc_dev, DSP_HACT_ST_END, mask, val);
1255
1256                 mask = m_DSP_VS_PW | m_DSP_VTOTAL;
1257                 val = v_DSP_VS_PW(vsync_len) | v_DSP_VTOTAL(v_total);
1258                 lcdc_msk_reg(lcdc_dev, DSP_VTOTAL_VS_END, mask, val);
1259
1260                 mask = m_DSP_VACT_END | m_DSP_VACT_ST;
1261                 val = v_DSP_VACT_END(vsync_len + upper_margin + y_res) |
1262                     v_DSP_VACT_ST(vsync_len + upper_margin);
1263                 lcdc_msk_reg(lcdc_dev, DSP_VACT_ST_END, mask, val);
1264
1265                 rk3288_lcdc_post_cfg(dev_drv);
1266         }
1267         spin_unlock(&lcdc_dev->reg_lock);
1268         rk3288_lcdc_set_dclk(dev_drv);
1269         if (screen->type != SCREEN_HDMI && dev_drv->trsm_ops &&
1270             dev_drv->trsm_ops->enable)
1271                 dev_drv->trsm_ops->enable();
1272         if (screen->init)
1273                 screen->init();
1274
1275         return 0;
1276 }
1277
1278 /*enable layer,open:1,enable;0 disable*/
1279 static int win0_open(struct lcdc_device *lcdc_dev, bool open)
1280 {
1281         spin_lock(&lcdc_dev->reg_lock);
1282         if (likely(lcdc_dev->clk_on)) {
1283                 if (open) {
1284                         if (!lcdc_dev->atv_layer_cnt) {
1285                                 dev_info(lcdc_dev->dev, "wakeup from standby!\n");
1286                                 lcdc_dev->standby = 0;
1287                         }
1288                         lcdc_dev->atv_layer_cnt++;
1289                 } else if ((lcdc_dev->atv_layer_cnt > 0) && (!open)) {
1290                         lcdc_dev->atv_layer_cnt--;
1291                 }
1292                 lcdc_dev->driver.win[0]->state = open;
1293                 if (!lcdc_dev->atv_layer_cnt) {
1294                         dev_info(lcdc_dev->dev, "no layer is used,go to standby!\n");
1295                         lcdc_dev->standby = 1;
1296                 }
1297         }
1298         spin_unlock(&lcdc_dev->reg_lock);
1299
1300         return 0;
1301 }
1302
1303 static int win1_open(struct lcdc_device *lcdc_dev, bool open)
1304 {
1305         spin_lock(&lcdc_dev->reg_lock);
1306         if (likely(lcdc_dev->clk_on)) {
1307                 if (open) {
1308                         if (!lcdc_dev->atv_layer_cnt) {
1309                                 dev_info(lcdc_dev->dev, "wakeup from standby!\n");
1310                                 lcdc_dev->standby = 0;
1311                         }
1312                         lcdc_dev->atv_layer_cnt++;
1313                 } else if ((lcdc_dev->atv_layer_cnt > 0) && (!open)) {
1314                         lcdc_dev->atv_layer_cnt--;
1315                 }
1316                 lcdc_dev->driver.win[1]->state = open;
1317
1318                 /*if no layer used,disable lcdc*/
1319                 if (!lcdc_dev->atv_layer_cnt) {
1320                         dev_info(lcdc_dev->dev, "no layer is used,go to standby!\n");
1321                         lcdc_dev->standby = 1;
1322                 }
1323         }
1324         spin_unlock(&lcdc_dev->reg_lock);
1325
1326         return 0;
1327 }
1328
1329 static int win2_open(struct lcdc_device *lcdc_dev, bool open)
1330 {
1331         spin_lock(&lcdc_dev->reg_lock);
1332         if (likely(lcdc_dev->clk_on)) {
1333                 if (open) {
1334                         if (!lcdc_dev->atv_layer_cnt) {
1335                                 dev_info(lcdc_dev->dev, "wakeup from standby!\n");
1336                                 lcdc_dev->standby = 0;
1337                         }
1338                         lcdc_dev->atv_layer_cnt++;
1339                 } else if ((lcdc_dev->atv_layer_cnt > 0) && (!open)) {
1340                         lcdc_dev->atv_layer_cnt--;
1341                 }
1342                 lcdc_dev->driver.win[2]->state = open;
1343
1344                 /*if no layer used,disable lcdc*/
1345                 if (!lcdc_dev->atv_layer_cnt) {
1346                         dev_info(lcdc_dev->dev, "no layer is used,go to standby!\n");
1347                         lcdc_dev->standby = 1;
1348                 }
1349         }
1350         spin_unlock(&lcdc_dev->reg_lock);
1351
1352         return 0;
1353 }
1354
1355 static int win3_open(struct lcdc_device *lcdc_dev, bool open)
1356 {
1357         spin_lock(&lcdc_dev->reg_lock);
1358         if (likely(lcdc_dev->clk_on)) {
1359                 if (open) {
1360                         if (!lcdc_dev->atv_layer_cnt) {
1361                                 dev_info(lcdc_dev->dev, "wakeup from standby!\n");
1362                                 lcdc_dev->standby = 0;
1363                         }
1364                         lcdc_dev->atv_layer_cnt++;
1365                 } else if ((lcdc_dev->atv_layer_cnt > 0) && (!open)) {
1366                         lcdc_dev->atv_layer_cnt--;
1367                 }
1368                 lcdc_dev->driver.win[3]->state = open;
1369
1370                 /*if no layer used,disable lcdc*/
1371                 if (!lcdc_dev->atv_layer_cnt) {
1372                         dev_info(lcdc_dev->dev, "no layer is used,go to standby!\n");
1373                         lcdc_dev->standby = 1;
1374                 }
1375         }
1376         spin_unlock(&lcdc_dev->reg_lock);
1377
1378         return 0;
1379 }
1380 static int rk3288_lcdc_enable_irq(struct rk_lcdc_driver *dev_drv)
1381 {
1382         struct lcdc_device *lcdc_dev = container_of(dev_drv,
1383                                         struct lcdc_device, driver);
1384         u32 mask,val;
1385         struct rk_screen *screen = dev_drv->cur_screen;
1386
1387         mask = m_FS_INTR_CLR | m_FS_INTR_EN | m_LINE_FLAG_INTR_CLR |
1388                             m_LINE_FLAG_INTR_EN | m_BUS_ERROR_INTR_CLR |
1389                             m_BUS_ERROR_INTR_EN | m_DSP_LINE_FLAG_NUM;
1390         val = v_FS_INTR_CLR(1) | v_FS_INTR_EN(1) | v_LINE_FLAG_INTR_CLR(1) |
1391             v_LINE_FLAG_INTR_EN(1) | v_BUS_ERROR_INTR_CLR(1) | v_BUS_ERROR_INTR_EN(0) |
1392             v_DSP_LINE_FLAG_NUM(screen->mode.vsync_len + screen->mode.upper_margin +
1393             screen->mode.yres);
1394         lcdc_msk_reg(lcdc_dev, INTR_CTRL0, mask, val);
1395 #ifdef LCDC_IRQ_EMPTY_DEBUG
1396                  mask = m_WIN0_EMPTY_INTR_EN | m_WIN1_EMPTY_INTR_EN | m_WIN2_EMPTY_INTR_EN |
1397                          m_WIN3_EMPTY_INTR_EN |m_HWC_EMPTY_INTR_EN | m_POST_BUF_EMPTY_INTR_EN |
1398                          m_PWM_GEN_INTR_EN;
1399                  val = v_WIN0_EMPTY_INTR_EN(1) | v_WIN1_EMPTY_INTR_EN(1) | v_WIN2_EMPTY_INTR_EN(1) |
1400                          v_WIN3_EMPTY_INTR_EN(1)| v_HWC_EMPTY_INTR_EN(1) | v_POST_BUF_EMPTY_INTR_EN(1) |
1401                          v_PWM_GEN_INTR_EN(1);
1402                  lcdc_msk_reg(lcdc_dev, INTR_CTRL1, mask, val);
1403 #endif
1404         return 0;
1405 }
1406
1407 static int rk3288_lcdc_open(struct rk_lcdc_driver *dev_drv, int win_id,
1408                             bool open)
1409 {
1410         struct lcdc_device *lcdc_dev = container_of(dev_drv,
1411                                         struct lcdc_device, driver);
1412         int sys_status = (dev_drv->id == 0) ?
1413                         SYS_STATUS_LCDC0 : SYS_STATUS_LCDC1;
1414
1415         /*enable clk,when first layer open */
1416         if ((open) && (!lcdc_dev->atv_layer_cnt)) {
1417                 rockchip_set_system_status(sys_status);
1418                 rk3288_lcdc_pre_init(dev_drv);
1419                 rk3288_lcdc_clk_enable(lcdc_dev);
1420                 rk3288_lcdc_enable_irq(dev_drv);
1421 #if defined(CONFIG_ROCKCHIP_IOMMU)
1422                 if (dev_drv->iommu_enabled) {
1423                         if (!dev_drv->mmu_dev) {
1424                                 dev_drv->mmu_dev =
1425                                         rk_fb_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
1426                                 if (dev_drv->mmu_dev) {
1427                                         rk_fb_platform_set_sysmmu(dev_drv->mmu_dev,
1428                                                                   dev_drv->dev);
1429                                 } else {
1430                                         dev_err(dev_drv->dev,
1431                                                 "failed to get rockchip iommu device\n");
1432                                         return -1;
1433                                 }
1434                         }
1435                         if (dev_drv->mmu_dev)
1436                                 rockchip_iovmm_activate(dev_drv->dev);
1437                 }
1438 #endif
1439                 rk3288_lcdc_reg_restore(lcdc_dev);
1440                 if (dev_drv->iommu_enabled)
1441                         rk3288_lcdc_mmu_en(dev_drv);
1442                 if ((support_uboot_display()&&(lcdc_dev->prop == PRMRY))) {
1443                         rk3288_lcdc_set_dclk(dev_drv);
1444                         rk3288_lcdc_enable_irq(dev_drv);
1445                 } else {
1446                         rk3288_load_screen(dev_drv, 1);
1447                 }
1448                 if (dev_drv->bcsh.enable)
1449                         rk3288_lcdc_set_bcsh(dev_drv, 1);
1450                 spin_lock(&lcdc_dev->reg_lock);
1451                 if (dev_drv->cur_screen->dsp_lut)
1452                         rk3288_lcdc_set_lut(dev_drv);
1453                 spin_unlock(&lcdc_dev->reg_lock);
1454         }
1455
1456         if (win_id == 0)
1457                 win0_open(lcdc_dev, open);
1458         else if (win_id == 1)
1459                 win1_open(lcdc_dev, open);
1460         else if (win_id == 2)
1461                 win2_open(lcdc_dev, open);
1462         else if (win_id == 3)
1463                 win3_open(lcdc_dev, open);
1464         else
1465                 dev_err(lcdc_dev->dev, "invalid win id:%d\n", win_id);
1466
1467         /* when all layer closed,disable clk */
1468         if ((!open) && (!lcdc_dev->atv_layer_cnt)) {
1469                 rk3288_lcdc_disable_irq(lcdc_dev);
1470                 rk3288_lcdc_reg_update(dev_drv);
1471 #if defined(CONFIG_ROCKCHIP_IOMMU)
1472                 if (dev_drv->iommu_enabled) {
1473                         if (dev_drv->mmu_dev)
1474                                 rockchip_iovmm_deactivate(dev_drv->dev);
1475                 }
1476 #endif
1477                 rk3288_lcdc_clk_disable(lcdc_dev);
1478                 rockchip_clear_system_status(sys_status);
1479         }
1480
1481         return 0;
1482 }
1483
1484 static int win0_display(struct lcdc_device *lcdc_dev,
1485                         struct rk_lcdc_win *win)
1486 {
1487         u32 y_addr;
1488         u32 uv_addr;
1489         y_addr = win->area[0].smem_start+win->area[0].y_offset;/*win->smem_start + win->y_offset;*/
1490         uv_addr = win->area[0].cbr_start + win->area[0].c_offset;
1491         DBG(2, "lcdc%d>>%s:y_addr:0x%x>>uv_addr:0x%x>>offset:%d\n",
1492             lcdc_dev->id, __func__, y_addr, uv_addr,win->area[0].y_offset);
1493         spin_lock(&lcdc_dev->reg_lock);
1494         if (likely(lcdc_dev->clk_on)) {
1495                 win->area[0].y_addr = y_addr;
1496                 win->area[0].uv_addr = uv_addr;
1497                 lcdc_writel(lcdc_dev, WIN0_YRGB_MST, win->area[0].y_addr);
1498                 lcdc_writel(lcdc_dev, WIN0_CBR_MST, win->area[0].uv_addr);
1499                 /*lcdc_cfg_done(lcdc_dev);*/
1500         }
1501         spin_unlock(&lcdc_dev->reg_lock);
1502
1503         return 0;
1504
1505 }
1506
1507 static int win1_display(struct lcdc_device *lcdc_dev,
1508                         struct rk_lcdc_win *win)
1509 {
1510         u32 y_addr;
1511         u32 uv_addr;
1512         y_addr = win->area[0].smem_start + win->area[0].y_offset;
1513         uv_addr = win->area[0].cbr_start + win->area[0].c_offset;
1514         DBG(2, "lcdc%d>>%s>>y_addr:0x%x>>uv_addr:0x%x\n",
1515             lcdc_dev->id, __func__, y_addr, uv_addr);
1516
1517         spin_lock(&lcdc_dev->reg_lock);
1518         if (likely(lcdc_dev->clk_on)) {
1519                 win->area[0].y_addr = y_addr;
1520                 win->area[0].uv_addr = uv_addr;
1521                 lcdc_writel(lcdc_dev, WIN1_YRGB_MST, win->area[0].y_addr);
1522                 lcdc_writel(lcdc_dev, WIN1_CBR_MST, win->area[0].uv_addr);
1523         }
1524         spin_unlock(&lcdc_dev->reg_lock);
1525
1526
1527         return 0;
1528 }
1529
1530 static int win2_display(struct lcdc_device *lcdc_dev,
1531                         struct rk_lcdc_win *win)
1532 {
1533         u32 i,y_addr;
1534         y_addr = win->area[0].smem_start + win->area[0].y_offset;
1535         DBG(2, "lcdc%d>>%s>>y_addr:0x%x>>\n",
1536             lcdc_dev->id, __func__, y_addr);
1537
1538         spin_lock(&lcdc_dev->reg_lock);
1539         if (likely(lcdc_dev->clk_on)){
1540                 for(i=0;i<win->area_num;i++)
1541                         win->area[i].y_addr =
1542                                 win->area[i].smem_start + win->area[i].y_offset;
1543                         lcdc_writel(lcdc_dev,WIN2_MST0,win->area[0].y_addr);
1544                         lcdc_writel(lcdc_dev,WIN2_MST1,win->area[1].y_addr);
1545                         lcdc_writel(lcdc_dev,WIN2_MST2,win->area[2].y_addr);
1546                         lcdc_writel(lcdc_dev,WIN2_MST3,win->area[3].y_addr);
1547         }
1548         spin_unlock(&lcdc_dev->reg_lock);
1549         return 0;
1550 }
1551
1552 static int win3_display(struct lcdc_device *lcdc_dev,
1553                         struct rk_lcdc_win *win)
1554 {
1555         u32 i,y_addr;
1556         y_addr = win->area[0].smem_start + win->area[0].y_offset;
1557         DBG(2, "lcdc%d>>%s>>y_addr:0x%x>>\n",
1558             lcdc_dev->id, __func__, y_addr);
1559
1560         spin_lock(&lcdc_dev->reg_lock);
1561         if (likely(lcdc_dev->clk_on)){
1562                 for(i=0;i<win->area_num;i++)
1563                         win->area[i].y_addr =
1564                                 win->area[i].smem_start + win->area[i].y_offset;
1565                         lcdc_writel(lcdc_dev,WIN3_MST0,win->area[0].y_addr);
1566                         lcdc_writel(lcdc_dev,WIN3_MST1,win->area[1].y_addr);
1567                         lcdc_writel(lcdc_dev,WIN3_MST2,win->area[2].y_addr);
1568                         lcdc_writel(lcdc_dev,WIN3_MST3,win->area[3].y_addr);
1569                 }
1570         spin_unlock(&lcdc_dev->reg_lock);
1571         return 0;
1572 }
1573
1574 static int rk3288_lcdc_pan_display(struct rk_lcdc_driver *dev_drv, int win_id)
1575 {
1576         struct lcdc_device *lcdc_dev = container_of(dev_drv,
1577                                 struct lcdc_device, driver);
1578         struct rk_lcdc_win *win = NULL;
1579         struct rk_screen *screen = dev_drv->cur_screen;
1580
1581 #if defined(WAIT_FOR_SYNC)
1582         int timeout;
1583         unsigned long flags;
1584 #endif
1585         win = dev_drv->win[win_id];
1586         if (!screen) {
1587                 dev_err(dev_drv->dev, "screen is null!\n");
1588                 return -ENOENT;
1589         }
1590         if(win_id == 0){
1591                 win0_display(lcdc_dev, win);
1592         }else if(win_id == 1){
1593                 win1_display(lcdc_dev, win);
1594         }else if(win_id == 2){
1595                 win2_display(lcdc_dev, win);
1596         }else if(win_id == 3){
1597                 win3_display(lcdc_dev, win);
1598         }else{
1599                 dev_err(dev_drv->dev, "invalid win number:%d!\n", win_id);
1600                 return -EINVAL;
1601         }
1602
1603         /*this is the first frame of the system ,enable frame start interrupt */
1604         if ((dev_drv->first_frame)) {
1605                 dev_drv->first_frame = 0;
1606                 rk3288_lcdc_enable_irq(dev_drv);
1607         }
1608 #if defined(WAIT_FOR_SYNC)
1609         spin_lock_irqsave(&dev_drv->cpl_lock, flags);
1610         init_completion(&dev_drv->frame_done);
1611         spin_unlock_irqrestore(&dev_drv->cpl_lock, flags);
1612         timeout = wait_for_completion_timeout(&dev_drv->frame_done,
1613                                               msecs_to_jiffies(dev_drv->
1614                                                                cur_screen->ft +
1615                                                                5));
1616         if (!timeout && (!dev_drv->frame_done.done)) {
1617                 dev_info(dev_drv->dev, "wait for new frame start time out!\n");
1618                 return -ETIMEDOUT;
1619         }
1620 #endif
1621         return 0;
1622 }
1623
1624 static int rk3288_lcdc_cal_scl_fac(struct rk_lcdc_win *win)
1625 {
1626         u16 srcW;
1627         u16 srcH;
1628         u16 dstW;
1629         u16 dstH;
1630         u16 yrgb_srcW;
1631         u16 yrgb_srcH;
1632         u16 yrgb_dstW;
1633         u16 yrgb_dstH;
1634         u32 yrgb_vScaleDnMult;
1635         u32 yrgb_xscl_factor;
1636         u32 yrgb_yscl_factor;
1637         u8  yrgb_vsd_bil_gt2=0;
1638         u8  yrgb_vsd_bil_gt4=0;
1639
1640         u16 cbcr_srcW;
1641         u16 cbcr_srcH;
1642         u16 cbcr_dstW;
1643         u16 cbcr_dstH;
1644         u32 cbcr_vScaleDnMult;
1645         u32 cbcr_xscl_factor;
1646         u32 cbcr_yscl_factor;
1647         u8  cbcr_vsd_bil_gt2=0;
1648         u8  cbcr_vsd_bil_gt4=0;
1649         u8  yuv_fmt=0;
1650
1651
1652         srcW = win->area[0].xact;
1653         srcH = win->area[0].yact;
1654         dstW = win->area[0].xsize;
1655         dstH = win->area[0].ysize;
1656
1657         /*yrgb scl mode*/
1658         yrgb_srcW = srcW;
1659         yrgb_srcH = srcH;
1660         yrgb_dstW = dstW;
1661         yrgb_dstH = dstH;
1662         if ((yrgb_dstW*8 <= yrgb_srcW) || (yrgb_dstH*8 <= yrgb_srcH)) {
1663                 pr_err("ERROR: yrgb scale exceed 8,"
1664                        "srcW=%d,srcH=%d,dstW=%d,dstH=%d\n",
1665                        yrgb_srcW,yrgb_srcH,yrgb_dstW,yrgb_dstH);
1666         }
1667         if(yrgb_srcW < yrgb_dstW){
1668                 win->yrgb_hor_scl_mode = SCALE_UP;
1669         }else if(yrgb_srcW > yrgb_dstW){
1670                 win->yrgb_hor_scl_mode = SCALE_DOWN;
1671         }else{
1672                 win->yrgb_hor_scl_mode = SCALE_NONE;
1673         }
1674
1675         if(yrgb_srcH < yrgb_dstH){
1676                 win->yrgb_ver_scl_mode = SCALE_UP;
1677         }else if (yrgb_srcH  > yrgb_dstH){
1678                 win->yrgb_ver_scl_mode = SCALE_DOWN;
1679         }else{
1680                 win->yrgb_ver_scl_mode = SCALE_NONE;
1681         }
1682
1683         /*cbcr scl mode*/
1684         switch (win->area[0].format) {
1685         case YUV422:
1686         case YUV422_A:
1687                 cbcr_srcW = srcW/2;
1688                 cbcr_dstW = dstW;
1689                 cbcr_srcH = srcH;
1690                 cbcr_dstH = dstH;
1691                 yuv_fmt = 1;
1692                 break;
1693         case YUV420:
1694         case YUV420_A:
1695                 cbcr_srcW = srcW/2;
1696                 cbcr_dstW = dstW;
1697                 cbcr_srcH = srcH/2;
1698                 cbcr_dstH = dstH;
1699                 yuv_fmt = 1;
1700                 break;
1701         case YUV444:
1702         case YUV444_A:
1703                 cbcr_srcW = srcW;
1704                 cbcr_dstW = dstW;
1705                 cbcr_srcH = srcH;
1706                 cbcr_dstH = dstH;
1707                 yuv_fmt = 1;
1708                 break;
1709         default:
1710                 cbcr_srcW = 0;
1711                 cbcr_dstW = 0;
1712                 cbcr_srcH = 0;
1713                 cbcr_dstH = 0;
1714                 yuv_fmt = 0;
1715                 break;
1716         }
1717         if (yuv_fmt) {
1718                 if ((cbcr_dstW*8 <= cbcr_srcW) || (cbcr_dstH*8 <= cbcr_srcH)) {
1719                         pr_err("ERROR: cbcr scale exceed 8,"
1720                        "srcW=%d,srcH=%d,dstW=%d,dstH=%d\n",
1721                        cbcr_srcW,cbcr_srcH,cbcr_dstW,cbcr_dstH);
1722                 }
1723         }
1724
1725         if(cbcr_srcW < cbcr_dstW){
1726                 win->cbr_hor_scl_mode = SCALE_UP;
1727         }else if(cbcr_srcW > cbcr_dstW){
1728                 win->cbr_hor_scl_mode = SCALE_DOWN;
1729         }else{
1730                 win->cbr_hor_scl_mode = SCALE_NONE;
1731         }
1732
1733         if(cbcr_srcH < cbcr_dstH){
1734                 win->cbr_ver_scl_mode = SCALE_UP;
1735         }else if(cbcr_srcH > cbcr_dstH){
1736                 win->cbr_ver_scl_mode = SCALE_DOWN;
1737         }else{
1738                 win->cbr_ver_scl_mode = SCALE_NONE;
1739         }
1740         DBG(1, "srcW:%d>>srcH:%d>>dstW:%d>>dstH:%d>>\n"
1741                "yrgb:src:W=%d>>H=%d,dst:W=%d>>H=%d,H_mode=%d,V_mode=%d\n"
1742                "cbcr:src:W=%d>>H=%d,dst:W=%d>>H=%d,H_mode=%d,V_mode=%d\n"
1743                 ,srcW,srcH,dstW,dstH,yrgb_srcW,yrgb_srcH,yrgb_dstW,
1744                 yrgb_dstH,win->yrgb_hor_scl_mode,win->yrgb_ver_scl_mode,
1745                 cbcr_srcW,cbcr_srcH,cbcr_dstW,cbcr_dstH,
1746                 win->cbr_hor_scl_mode,win->cbr_ver_scl_mode);
1747
1748     /*line buffer mode*/
1749         if ((win->area[0].format == YUV422) ||
1750             (win->area[0].format == YUV420) ||
1751             (win->area[0].format == YUV422_A) ||
1752             (win->area[0].format == YUV420_A)) {
1753                 if (win->cbr_hor_scl_mode == SCALE_DOWN) {
1754                         if ((cbcr_dstW > 3840) || (cbcr_dstW == 0)) {
1755                                 pr_err("ERROR cbcr_dstW = %d\n",cbcr_dstW);
1756                         } else if (cbcr_dstW > 2560) {
1757                                 win->win_lb_mode = LB_RGB_3840X2;
1758                         } else if (cbcr_dstW > 1920) {
1759                                 if (win->yrgb_hor_scl_mode == SCALE_DOWN) {
1760                                         if(yrgb_dstW > 3840){
1761                                                 pr_err("ERROR yrgb_dst_width exceeds 3840\n");
1762                                         }else if(yrgb_dstW > 2560){
1763                                                 win->win_lb_mode = LB_RGB_3840X2;
1764                                         }else if(yrgb_dstW > 1920){
1765                                                 win->win_lb_mode = LB_RGB_2560X4;
1766                                         }else{
1767                                                 pr_err("ERROR never run here!yrgb_dstW<1920 ==> cbcr_dstW>1920\n");
1768                                         }
1769                                 }
1770                         } else if (cbcr_dstW > 1280) {
1771                                 win->win_lb_mode = LB_YUV_3840X5;
1772                         } else {
1773                                 win->win_lb_mode = LB_YUV_2560X8;
1774                         }
1775                 } else { /*SCALE_UP or SCALE_NONE*/
1776                         if ((cbcr_srcW > 3840) || (cbcr_srcW == 0)) {
1777                                 pr_err("ERROR cbcr_srcW = %d\n",cbcr_srcW);
1778                         }else if(cbcr_srcW > 2560){
1779                                 win->win_lb_mode = LB_RGB_3840X2;
1780                         }else if(cbcr_srcW > 1920){
1781                                 if(win->yrgb_hor_scl_mode == SCALE_DOWN){
1782                                         if(yrgb_dstW > 3840){
1783                                                 pr_err("ERROR yrgb_dst_width exceeds 3840\n");
1784                                         }else if(yrgb_dstW > 2560){
1785                                                 win->win_lb_mode = LB_RGB_3840X2;
1786                                         }else if(yrgb_dstW > 1920){
1787                                                 win->win_lb_mode = LB_RGB_2560X4;
1788                                         }else{
1789                                                 pr_err("ERROR never run here!yrgb_dstW<1920 ==> cbcr_dstW>1920\n");
1790                                         }
1791                                 }
1792                         }else if(cbcr_srcW > 1280){
1793                                  win->win_lb_mode = LB_YUV_3840X5;
1794                         }else{
1795                                 win->win_lb_mode = LB_YUV_2560X8;
1796                         }
1797                 }
1798         }else {
1799                 if(win->yrgb_hor_scl_mode == SCALE_DOWN){
1800                         if ((yrgb_dstW > 3840) || (yrgb_dstW == 0)) {
1801                                 pr_err("ERROR yrgb_dstW = %d\n",yrgb_dstW);
1802                         }else if(yrgb_dstW > 2560){
1803                                 win->win_lb_mode = LB_RGB_3840X2;
1804                         }else if(yrgb_dstW > 1920){
1805                                 win->win_lb_mode = LB_RGB_2560X4;
1806                         }else if(yrgb_dstW > 1280){
1807                                 win->win_lb_mode = LB_RGB_1920X5;
1808                         }else{
1809                                 win->win_lb_mode = LB_RGB_1280X8;
1810                         }
1811                 }else{ /*SCALE_UP or SCALE_NONE*/
1812                         if ((yrgb_srcW > 3840) || (yrgb_srcW == 0)) {
1813                                 pr_err("ERROR yrgb_srcW = %d\n",yrgb_srcW);
1814                         }else if(yrgb_srcW > 2560){
1815                                 win->win_lb_mode = LB_RGB_3840X2;
1816                         }else if(yrgb_srcW > 1920){
1817                                 win->win_lb_mode = LB_RGB_2560X4;
1818                         }else if(yrgb_srcW > 1280){
1819                                 win->win_lb_mode = LB_RGB_1920X5;
1820                         }else{
1821                                 win->win_lb_mode = LB_RGB_1280X8;
1822                         }
1823                 }
1824         }
1825         DBG(1,"win->win_lb_mode = %d;\n",win->win_lb_mode);
1826
1827         /*vsd/vsu scale ALGORITHM*/
1828         win->yrgb_hsd_mode = SCALE_DOWN_BIL;/*not to specify*/
1829         win->cbr_hsd_mode  = SCALE_DOWN_BIL;/*not to specify*/
1830         win->yrgb_vsd_mode = SCALE_DOWN_BIL;/*not to specify*/
1831         win->cbr_vsd_mode  = SCALE_DOWN_BIL;/*not to specify*/
1832         switch(win->win_lb_mode){
1833             case LB_YUV_3840X5:
1834             case LB_YUV_2560X8:
1835             case LB_RGB_1920X5:
1836             case LB_RGB_1280X8:
1837                 win->yrgb_vsu_mode = SCALE_UP_BIC;
1838                 win->cbr_vsu_mode  = SCALE_UP_BIC;
1839                 break;
1840             case LB_RGB_3840X2:
1841                 if(win->yrgb_ver_scl_mode != SCALE_NONE) {
1842                     pr_err("ERROR : not allow yrgb ver scale\n");
1843                 }
1844                 if(win->cbr_ver_scl_mode != SCALE_NONE) {
1845                     pr_err("ERROR : not allow cbcr ver scale\n");
1846                 }
1847                 break;
1848             case LB_RGB_2560X4:
1849                 win->yrgb_vsu_mode = SCALE_UP_BIL;
1850                 win->cbr_vsu_mode  = SCALE_UP_BIL;
1851                 break;
1852             default:
1853                 printk(KERN_WARNING "%s:un supported win_lb_mode:%d\n",
1854                         __func__,win->win_lb_mode);
1855                 break;
1856         }
1857         DBG(1,"yrgb:hsd=%d,vsd=%d,vsu=%d;cbcr:hsd=%d,vsd=%d,vsu=%d\n",
1858                win->yrgb_hsd_mode,win->yrgb_vsd_mode,win->yrgb_vsu_mode,
1859                win->cbr_hsd_mode,win->cbr_vsd_mode,win->cbr_vsu_mode);
1860
1861         /*SCALE FACTOR*/
1862
1863         /*(1.1)YRGB HOR SCALE FACTOR*/
1864         switch(win->yrgb_hor_scl_mode){
1865         case SCALE_NONE:
1866                 yrgb_xscl_factor = (1<<SCALE_FACTOR_DEFAULT_FIXPOINT_SHIFT);
1867                 break;
1868         case SCALE_UP  :
1869                 yrgb_xscl_factor = GET_SCALE_FACTOR_BIC(yrgb_srcW, yrgb_dstW);
1870                 break;
1871         case SCALE_DOWN:
1872                 switch(win->yrgb_hsd_mode)
1873                 {
1874                 case SCALE_DOWN_BIL:
1875                         yrgb_xscl_factor = GET_SCALE_FACTOR_BILI_DN(yrgb_srcW, yrgb_dstW);
1876                         break;
1877                 case SCALE_DOWN_AVG:
1878                         yrgb_xscl_factor = GET_SCALE_FACTOR_AVRG(yrgb_srcW, yrgb_dstW);
1879                         break;
1880                 default :
1881                         printk(KERN_WARNING "%s:un supported yrgb_hsd_mode:%d\n",
1882                                 __func__,win->yrgb_hsd_mode);
1883                         break;
1884                 }
1885                 break;
1886         default :
1887                 printk(KERN_WARNING "%s:un supported yrgb_hor_scl_mode:%d\n",
1888                                 __func__,win->yrgb_hor_scl_mode);
1889             break;
1890         } /*win->yrgb_hor_scl_mode*/
1891
1892         /*(1.2)YRGB VER SCALE FACTOR*/
1893         switch(win->yrgb_ver_scl_mode)
1894         {
1895         case SCALE_NONE:
1896                 yrgb_yscl_factor = (1<<SCALE_FACTOR_DEFAULT_FIXPOINT_SHIFT);
1897                  break;
1898         case SCALE_UP  :
1899                 switch(win->yrgb_vsu_mode)
1900                 {
1901                 case SCALE_UP_BIL:
1902                         yrgb_yscl_factor = GET_SCALE_FACTOR_BILI_UP(yrgb_srcH, yrgb_dstH);
1903                         break;
1904                 case SCALE_UP_BIC:
1905                         if(yrgb_srcH < 3){
1906                                 pr_err("yrgb_srcH should be greater than 3 !!!\n");
1907                         }
1908                         yrgb_yscl_factor = GET_SCALE_FACTOR_BIC(yrgb_srcH, yrgb_dstH);
1909                         break;
1910                 default :
1911                         printk(KERN_WARNING "%s:un supported yrgb_vsu_mode:%d\n",
1912                                 __func__,win->yrgb_vsu_mode);
1913                         break;
1914             }
1915             break;
1916         case SCALE_DOWN:
1917                 switch(win->yrgb_vsd_mode)
1918                 {
1919                 case SCALE_DOWN_BIL:
1920                         yrgb_vScaleDnMult = getHardWareVSkipLines(yrgb_srcH, yrgb_dstH);
1921                         yrgb_yscl_factor  = GET_SCALE_FACTOR_BILI_DN_VSKIP(yrgb_srcH, yrgb_dstH, yrgb_vScaleDnMult);
1922                         if(yrgb_vScaleDnMult == 4){
1923                                 yrgb_vsd_bil_gt4 = 1;
1924                                 yrgb_vsd_bil_gt2 = 0;
1925                         }else if(yrgb_vScaleDnMult == 2){
1926                                 yrgb_vsd_bil_gt4 = 0;
1927                                 yrgb_vsd_bil_gt2 = 1;
1928                         }else{
1929                                 yrgb_vsd_bil_gt4 = 0;
1930                                 yrgb_vsd_bil_gt2 = 0;
1931                         }
1932                         break;
1933                 case SCALE_DOWN_AVG:
1934                         yrgb_yscl_factor = GET_SCALE_FACTOR_AVRG(yrgb_srcH, yrgb_dstH);
1935                         break;
1936                 default:
1937                         printk(KERN_WARNING "%s:un supported yrgb_vsd_mode:%d\n",
1938                                 __func__,win->yrgb_vsd_mode);
1939                         break;
1940                 } /*win->yrgb_vsd_mode*/
1941                 break;
1942         default :
1943                 printk(KERN_WARNING "%s:un supported yrgb_ver_scl_mode:%d\n",
1944                         __func__,win->yrgb_ver_scl_mode);
1945                 break;
1946         }
1947         win->scale_yrgb_x = yrgb_xscl_factor;
1948         win->scale_yrgb_y = yrgb_yscl_factor;
1949         win->vsd_yrgb_gt4 = yrgb_vsd_bil_gt4;
1950         win->vsd_yrgb_gt2 = yrgb_vsd_bil_gt2;
1951         DBG(1,"yrgb:h_fac=%d,v_fac=%d,gt4=%d,gt2=%d\n",yrgb_xscl_factor,
1952                 yrgb_yscl_factor,yrgb_vsd_bil_gt4,yrgb_vsd_bil_gt2);
1953
1954         /*(2.1)CBCR HOR SCALE FACTOR*/
1955         switch(win->cbr_hor_scl_mode)
1956         {
1957         case SCALE_NONE:
1958                 cbcr_xscl_factor = (1<<SCALE_FACTOR_DEFAULT_FIXPOINT_SHIFT);
1959                 break;
1960         case SCALE_UP  :
1961                 cbcr_xscl_factor = GET_SCALE_FACTOR_BIC(cbcr_srcW, cbcr_dstW);
1962                 break;
1963         case SCALE_DOWN:
1964                 switch(win->cbr_hsd_mode)
1965                 {
1966                 case SCALE_DOWN_BIL:
1967                         cbcr_xscl_factor = GET_SCALE_FACTOR_BILI_DN(cbcr_srcW, cbcr_dstW);
1968                         break;
1969                 case SCALE_DOWN_AVG:
1970                         cbcr_xscl_factor = GET_SCALE_FACTOR_AVRG(cbcr_srcW, cbcr_dstW);
1971                         break;
1972                 default :
1973                         printk(KERN_WARNING "%s:un supported cbr_hsd_mode:%d\n",
1974                                 __func__,win->cbr_hsd_mode);
1975                         break;
1976                 }
1977                 break;
1978         default :
1979                 printk(KERN_WARNING "%s:un supported cbr_hor_scl_mode:%d\n",
1980                         __func__,win->cbr_hor_scl_mode);
1981                 break;
1982         } /*win->cbr_hor_scl_mode*/
1983
1984         /*(2.2)CBCR VER SCALE FACTOR*/
1985         switch(win->cbr_ver_scl_mode)
1986         {
1987         case SCALE_NONE:
1988                 cbcr_yscl_factor = (1<<SCALE_FACTOR_DEFAULT_FIXPOINT_SHIFT);
1989                 break;
1990         case SCALE_UP  :
1991                 switch(win->cbr_vsu_mode)
1992                 {
1993                 case SCALE_UP_BIL:
1994                         cbcr_yscl_factor = GET_SCALE_FACTOR_BILI_UP(cbcr_srcH, cbcr_dstH);
1995                         break;
1996                 case SCALE_UP_BIC:
1997                         if(cbcr_srcH < 3) {
1998                                 pr_err("cbcr_srcH should be greater than 3 !!!\n");
1999                         }
2000                         cbcr_yscl_factor = GET_SCALE_FACTOR_BIC(cbcr_srcH, cbcr_dstH);
2001                         break;
2002                 default :
2003                         printk(KERN_WARNING "%s:un supported cbr_vsu_mode:%d\n",
2004                                 __func__,win->cbr_vsu_mode);
2005                         break;
2006                 }
2007                 break;
2008         case SCALE_DOWN:
2009                 switch(win->cbr_vsd_mode)
2010                 {
2011                 case SCALE_DOWN_BIL:
2012                         cbcr_vScaleDnMult = getHardWareVSkipLines(cbcr_srcH, cbcr_dstH);
2013                         cbcr_yscl_factor  = GET_SCALE_FACTOR_BILI_DN_VSKIP(cbcr_srcH, cbcr_dstH, cbcr_vScaleDnMult);
2014                         if(cbcr_vScaleDnMult == 4){
2015                                 cbcr_vsd_bil_gt4 = 1;
2016                                 cbcr_vsd_bil_gt2 = 0;
2017                         }else if(cbcr_vScaleDnMult == 2){
2018                                 cbcr_vsd_bil_gt4 = 0;
2019                                 cbcr_vsd_bil_gt2 = 1;
2020                         }else{
2021                                 cbcr_vsd_bil_gt4 = 0;
2022                                 cbcr_vsd_bil_gt2 = 0;
2023                         }
2024                         break;
2025                 case SCALE_DOWN_AVG:
2026                         cbcr_yscl_factor = GET_SCALE_FACTOR_AVRG(cbcr_srcH, cbcr_dstH);
2027                         break;
2028                 default :
2029                         printk(KERN_WARNING "%s:un supported cbr_vsd_mode:%d\n",
2030                                 __func__,win->cbr_vsd_mode);
2031                     break;
2032                 }
2033                 break;
2034         default :
2035                 printk(KERN_WARNING "%s:un supported cbr_ver_scl_mode:%d\n",
2036                         __func__,win->cbr_ver_scl_mode);
2037                 break;
2038         }
2039         win->scale_cbcr_x = cbcr_xscl_factor;
2040         win->scale_cbcr_y = cbcr_yscl_factor;
2041         win->vsd_cbr_gt4  = cbcr_vsd_bil_gt4;
2042         win->vsd_cbr_gt2  = cbcr_vsd_bil_gt2;
2043
2044         DBG(1,"cbcr:h_fac=%d,v_fac=%d,gt4=%d,gt2=%d\n",cbcr_xscl_factor,
2045                 cbcr_yscl_factor,cbcr_vsd_bil_gt4,cbcr_vsd_bil_gt2);
2046         return 0;
2047 }
2048
2049
2050
2051 static int win0_set_par(struct lcdc_device *lcdc_dev,
2052                         struct rk_screen *screen, struct rk_lcdc_win *win)
2053 {
2054         u32 xact,yact,xvir, yvir,xpos, ypos;
2055         u8 fmt_cfg = 0, swap_rb, swap_uv = 0;
2056         char fmt[9] = "NULL";
2057
2058         xpos = win->area[0].xpos + screen->mode.left_margin + screen->mode.hsync_len;
2059         ypos = win->area[0].ypos + screen->mode.upper_margin + screen->mode.vsync_len;
2060
2061         spin_lock(&lcdc_dev->reg_lock);
2062         if(likely(lcdc_dev->clk_on)){
2063                 rk3288_lcdc_cal_scl_fac(win);/*fac,lb,gt2,gt4*/
2064                 switch (win->area[0].format) {
2065                 case ARGB888:
2066                         fmt_cfg = 0;
2067                         swap_rb = 0;
2068                         win->fmt_10 = 0;
2069                         break;
2070                 case XBGR888:
2071                 case ABGR888:
2072                         fmt_cfg = 0;
2073                         swap_rb = 1;
2074                         win->fmt_10 = 0;
2075                         break;
2076                 case RGB888:
2077                         fmt_cfg = 1;
2078                         swap_rb = 0;
2079                         win->fmt_10 = 0;
2080                         break;
2081                 case RGB565:
2082                         fmt_cfg = 2;
2083                         swap_rb = 0;
2084                         win->fmt_10 = 0;
2085                         break;
2086                 case YUV422:
2087                         fmt_cfg = 5;
2088                         swap_rb = 0;
2089                         win->fmt_10 = 0;
2090                         break;
2091                 case YUV420:
2092                         fmt_cfg = 4;
2093                         swap_rb = 0;
2094                         win->fmt_10 = 0;
2095                         break;
2096                 case YUV420_NV21:
2097                         fmt_cfg = 4;
2098                         swap_rb = 0;
2099                         swap_uv = 1;
2100                         win->fmt_10 = 0;
2101                         break;
2102                 case YUV444:
2103                         fmt_cfg = 6;
2104                         swap_rb = 0;
2105                         win->fmt_10 = 0;
2106                 case YUV422_A:
2107                         fmt_cfg = 5;
2108                         swap_rb = 0;
2109                         win->fmt_10 = 1;
2110                         break;
2111                 case YUV420_A:
2112                         fmt_cfg = 4;
2113                         swap_rb = 0;
2114                         win->fmt_10 = 1;
2115                         break;
2116                 case YUV444_A:
2117                         fmt_cfg = 6;
2118                         swap_rb = 0;
2119                         win->fmt_10 = 1;
2120                         break;
2121                 default:
2122                         dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
2123                                 __func__);
2124                         break;
2125                 }
2126                 win->area[0].fmt_cfg = fmt_cfg;
2127                 win->area[0].swap_rb = swap_rb;
2128                 win->area[0].dsp_stx = xpos;
2129                 win->area[0].dsp_sty = ypos;
2130                 win->area[0].swap_uv = swap_uv;
2131                 xact = win->area[0].xact;
2132                 yact = win->area[0].yact;
2133                 xvir = win->area[0].xvir;
2134                 yvir = win->area[0].yvir;
2135         }
2136         rk3288_win_0_1_reg_update(&lcdc_dev->driver,0);
2137         spin_unlock(&lcdc_dev->reg_lock);
2138
2139         DBG(1, "lcdc%d>>%s\n>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d\n"
2140                 ">>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n", lcdc_dev->id,
2141                 __func__, get_format_string(win->area[0].format, fmt), xact,
2142                 yact, win->area[0].xsize, win->area[0].ysize, xvir, yvir, xpos, ypos);
2143         return 0;
2144
2145 }
2146
2147 static int win1_set_par(struct lcdc_device *lcdc_dev,
2148                         struct rk_screen *screen, struct rk_lcdc_win *win)
2149 {
2150         u32 xact, yact, xvir, yvir, xpos, ypos;
2151         u8 fmt_cfg = 0, swap_rb, swap_uv = 0;
2152         char fmt[9] = "NULL";
2153
2154         xpos = win->area[0].xpos + screen->mode.left_margin + screen->mode.hsync_len;
2155         ypos = win->area[0].ypos + screen->mode.upper_margin + screen->mode.vsync_len;
2156
2157         spin_lock(&lcdc_dev->reg_lock);
2158         if (likely(lcdc_dev->clk_on)) {
2159                 rk3288_lcdc_cal_scl_fac(win);/*fac,lb,gt2,gt4*/
2160                 switch (win->area[0].format) {
2161                 case ARGB888:
2162                         fmt_cfg = 0;
2163                         swap_rb = 0;
2164                         win->fmt_10 = 0;
2165                         break;
2166                 case XBGR888:
2167                 case ABGR888:
2168                         fmt_cfg = 0;
2169                         swap_rb = 1;
2170                         win->fmt_10 = 0;
2171                         break;
2172                 case RGB888:
2173                         fmt_cfg = 1;
2174                         swap_rb = 0;
2175                         win->fmt_10 = 0;
2176                         break;
2177                 case RGB565:
2178                         fmt_cfg = 2;
2179                         swap_rb = 0;
2180                         win->fmt_10 = 0;
2181                         break;
2182                 case YUV422:
2183                         fmt_cfg = 5;
2184                         swap_rb = 0;
2185                         win->fmt_10 = 0;
2186                         break;
2187                 case YUV420:
2188                         fmt_cfg = 4;
2189                         swap_rb = 0;
2190                         win->fmt_10 = 0;
2191                         break;
2192                 case YUV420_NV21:
2193                         fmt_cfg = 4;
2194                         swap_rb = 0;
2195                         swap_uv = 1;
2196                         win->fmt_10 = 0;
2197                         break;
2198                 case YUV444:
2199                         fmt_cfg = 6;
2200                         swap_rb = 0;
2201                         win->fmt_10 = 0;
2202                         break;
2203                 case YUV422_A:
2204                         fmt_cfg = 5;
2205                         swap_rb = 0;
2206                         win->fmt_10 = 1;
2207                         break;
2208                 case YUV420_A:
2209                         fmt_cfg = 4;
2210                         swap_rb = 0;
2211                         win->fmt_10 = 1;
2212                         break;
2213                 case YUV444_A:
2214                         fmt_cfg = 6;
2215                         swap_rb = 0;
2216                         win->fmt_10 = 1;
2217                         break;
2218                 default:
2219                         dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
2220                                 __func__);
2221                         break;
2222                 }
2223                 win->area[0].fmt_cfg = fmt_cfg;
2224                 win->area[0].swap_rb = swap_rb;
2225                 win->area[0].dsp_stx = xpos;
2226                 win->area[0].dsp_sty = ypos;
2227                 win->area[0].swap_uv = swap_uv;
2228                 xact = win->area[0].xact;
2229                 yact = win->area[0].yact;
2230                 xvir = win->area[0].xvir;
2231                 yvir = win->area[0].yvir;
2232         }
2233         rk3288_win_0_1_reg_update(&lcdc_dev->driver,1);
2234         spin_unlock(&lcdc_dev->reg_lock);
2235
2236         DBG(1, "lcdc%d>>%s\n>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d\n"
2237                 ">>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n", lcdc_dev->id,
2238                 __func__, get_format_string(win->area[0].format, fmt), xact,
2239                 yact, win->area[0].xsize, win->area[0].ysize, xvir, yvir, xpos, ypos);
2240         return 0;
2241
2242 }
2243
2244 static int win2_set_par(struct lcdc_device *lcdc_dev,
2245                         struct rk_screen *screen, struct rk_lcdc_win *win)
2246 {
2247         int i;
2248         u8 fmt_cfg, swap_rb;
2249
2250         spin_lock(&lcdc_dev->reg_lock);
2251         if (likely(lcdc_dev->clk_on)) {
2252                 for (i = 0; i < win->area_num; i++) {
2253                         switch (win->area[i].format) {
2254                         case ARGB888:
2255                                 fmt_cfg = 0;
2256                                 swap_rb = 0;
2257                                 break;
2258                         case XBGR888:
2259                         case ABGR888:
2260                                 fmt_cfg = 0;
2261                                 swap_rb = 1;
2262                                 break;
2263                         case RGB888:
2264                                 fmt_cfg = 1;
2265                                 swap_rb = 0;
2266                                 break;
2267                         case RGB565:
2268                                 fmt_cfg = 2;
2269                                 swap_rb = 0;
2270                                 break;
2271                         default:
2272                                 dev_err(lcdc_dev->driver.dev,
2273                                         "%s:un supported format!\n",
2274                                         __func__);
2275                                 break;
2276                         }
2277                         win->area[i].fmt_cfg = fmt_cfg;
2278                         win->area[i].swap_rb = swap_rb;
2279                         win->area[i].dsp_stx = win->area[i].xpos +
2280                                 screen->mode.left_margin +
2281                                 screen->mode.hsync_len;
2282                         if (screen->y_mirror == 1) {
2283                                 win->area[i].dsp_sty = screen->mode.yres -
2284                                         win->area[i].ypos -
2285                                         win->area[i].ysize +
2286                                         screen->mode.upper_margin +
2287                                         screen->mode.vsync_len;
2288                         } else {
2289                                 win->area[i].dsp_sty = win->area[i].ypos +
2290                                         screen->mode.upper_margin +
2291                                         screen->mode.vsync_len;
2292                         }
2293                         if ((win->area[i].xact != win->area[i].xsize) ||
2294                             (win->area[i].yact != win->area[i].ysize)) {
2295                                 pr_err("win[%d]->area[%d],not support scale\n",
2296                                         win->id, i);
2297                                 pr_err("xact=%d,yact=%d,xsize=%d,ysize=%d\n",
2298                                         win->area[i].xact,win->area[i].yact,
2299                                         win->area[i].xsize,win->area[i].ysize);
2300                                 win->area[i].xsize = win->area[i].xact;
2301                                 win->area[i].ysize = win->area[i].yact;
2302                         }
2303                 }
2304         }
2305         rk3288_win_2_3_reg_update(&lcdc_dev->driver,2);
2306         spin_unlock(&lcdc_dev->reg_lock);
2307         return 0;
2308 }
2309
2310 static int win3_set_par(struct lcdc_device *lcdc_dev,
2311                         struct rk_screen *screen, struct rk_lcdc_win *win)
2312
2313 {
2314         int i;
2315         u8 fmt_cfg, swap_rb;
2316
2317         spin_lock(&lcdc_dev->reg_lock);
2318         if (likely(lcdc_dev->clk_on)) {
2319                 for (i = 0; i < win->area_num; i++) {
2320                         switch (win->area[i].format) {
2321                         case ARGB888:
2322                                 fmt_cfg = 0;
2323                                 swap_rb = 0;
2324                                 break;
2325                         case XBGR888:
2326                         case ABGR888:
2327                                 fmt_cfg = 0;
2328                                 swap_rb = 1;
2329                                 break;
2330                         case RGB888:
2331                                 fmt_cfg = 1;
2332                                 swap_rb = 0;
2333                                 break;
2334                         case RGB565:
2335                                 fmt_cfg = 2;
2336                                 swap_rb = 0;
2337                                 break;
2338                         default:
2339                                 dev_err(lcdc_dev->driver.dev,
2340                                         "%s:un supported format!\n",
2341                                         __func__);
2342                                 break;
2343                         }
2344                         win->area[i].fmt_cfg = fmt_cfg;
2345                         win->area[i].swap_rb = swap_rb;
2346                         win->area[i].dsp_stx = win->area[i].xpos +
2347                                 screen->mode.left_margin +
2348                                 screen->mode.hsync_len;
2349                         if (screen->y_mirror == 1) {
2350                                 win->area[i].dsp_sty = screen->mode.yres -
2351                                         win->area[i].ypos -
2352                                         win->area[i].ysize +
2353                                         screen->mode.upper_margin +
2354                                         screen->mode.vsync_len;
2355                         } else {
2356                                 win->area[i].dsp_sty = win->area[i].ypos +
2357                                         screen->mode.upper_margin +
2358                                         screen->mode.vsync_len;
2359                         }
2360                 }
2361                 if ((win->area[i].xact != win->area[i].xsize) ||
2362                     (win->area[i].yact != win->area[i].ysize)) {
2363                         pr_err("win[%d]->area[%d],not support scale\n",
2364                                 win->id, i);
2365                         pr_err("xact=%d,yact=%d,xsize=%d,ysize=%d\n",
2366                                 win->area[i].xact,win->area[i].yact,
2367                                 win->area[i].xsize,win->area[i].ysize);
2368                         win->area[i].xsize = win->area[i].xact;
2369                         win->area[i].ysize = win->area[i].yact;
2370                 }
2371         }
2372         rk3288_win_2_3_reg_update(&lcdc_dev->driver,3);
2373         spin_unlock(&lcdc_dev->reg_lock);
2374         return 0;
2375 }
2376
2377 static int rk3288_lcdc_set_par(struct rk_lcdc_driver *dev_drv,int win_id)
2378 {
2379         struct lcdc_device *lcdc_dev =
2380             container_of(dev_drv, struct lcdc_device, driver);
2381         struct rk_lcdc_win *win = NULL;
2382         struct rk_screen *screen = dev_drv->cur_screen;
2383         win = dev_drv->win[win_id];
2384
2385         switch(win_id)
2386         {
2387         case 0:
2388                 win0_set_par(lcdc_dev, screen, win);
2389                 break;
2390         case 1:
2391                 win1_set_par(lcdc_dev, screen, win);
2392                 break;
2393         case 2:
2394                 win2_set_par(lcdc_dev, screen, win);
2395                 break;
2396         case 3:
2397                 win3_set_par(lcdc_dev, screen, win);
2398                 break;
2399         default:
2400                 dev_err(dev_drv->dev, "unsupported win number:%d\n", win_id);
2401                 break;
2402         }
2403         return 0;
2404 }
2405
2406 static int rk3288_lcdc_ioctl(struct rk_lcdc_driver *dev_drv, unsigned int cmd,
2407                              unsigned long arg, int win_id)
2408 {
2409         struct lcdc_device *lcdc_dev = container_of(dev_drv,
2410                                                            struct
2411                                                            lcdc_device,
2412                                                            driver);
2413         u32 panel_size[2];
2414         void __user *argp = (void __user *)arg;
2415         struct color_key_cfg clr_key_cfg;
2416
2417         switch (cmd) {
2418         case RK_FBIOGET_PANEL_SIZE:
2419                 panel_size[0] = lcdc_dev->screen->mode.xres;
2420                 panel_size[1] = lcdc_dev->screen->mode.yres;
2421                 if (copy_to_user(argp, panel_size, 8))
2422                         return -EFAULT;
2423                 break;
2424         case RK_FBIOPUT_COLOR_KEY_CFG:
2425                 if (copy_from_user(&clr_key_cfg, argp,
2426                                    sizeof(struct color_key_cfg)))
2427                         return -EFAULT;
2428                 rk3288_lcdc_clr_key_cfg(dev_drv);
2429                 lcdc_writel(lcdc_dev, WIN0_COLOR_KEY,
2430                             clr_key_cfg.win0_color_key_cfg);
2431                 lcdc_writel(lcdc_dev, WIN1_COLOR_KEY,
2432                             clr_key_cfg.win1_color_key_cfg);
2433                 break;
2434
2435         default:
2436                 break;
2437         }
2438         return 0;
2439 }
2440
2441 static int rk3288_lcdc_early_suspend(struct rk_lcdc_driver *dev_drv)
2442 {
2443         u32 reg;
2444         struct lcdc_device *lcdc_dev =
2445             container_of(dev_drv, struct lcdc_device, driver);
2446         if (dev_drv->suspend_flag)
2447                 return 0;
2448
2449         dev_drv->suspend_flag = 1;
2450         flush_kthread_worker(&dev_drv->update_regs_worker);
2451
2452         for (reg = MMU_DTE_ADDR; reg <= MMU_AUTO_GATING; reg +=4)
2453                         lcdc_readl(lcdc_dev, reg);
2454         if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
2455                 dev_drv->trsm_ops->disable();
2456
2457         spin_lock(&lcdc_dev->reg_lock);
2458         if (likely(lcdc_dev->clk_on)) {
2459                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DSP_BLANK_EN,
2460                                         v_DSP_BLANK_EN(1));
2461                 lcdc_msk_reg(lcdc_dev, INTR_CTRL0, m_FS_INTR_CLR | m_LINE_FLAG_INTR_CLR,
2462                                         v_FS_INTR_CLR(1) | v_LINE_FLAG_INTR_CLR(1));
2463                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DSP_OUT_ZERO,
2464                                         v_DSP_OUT_ZERO(1));
2465                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_STANDBY_EN,
2466                                         v_STANDBY_EN(1));
2467                 lcdc_cfg_done(lcdc_dev);
2468
2469                 if (dev_drv->iommu_enabled) {
2470                         if (dev_drv->mmu_dev)
2471                                 rockchip_iovmm_deactivate(dev_drv->dev);
2472                 }
2473
2474                 spin_unlock(&lcdc_dev->reg_lock);
2475         } else {
2476                 spin_unlock(&lcdc_dev->reg_lock);
2477                 return 0;
2478         }
2479         rk3288_lcdc_clk_disable(lcdc_dev);
2480         rk_disp_pwr_disable(dev_drv);
2481         return 0;
2482 }
2483
2484 static int rk3288_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
2485 {
2486         struct lcdc_device *lcdc_dev =
2487             container_of(dev_drv, struct lcdc_device, driver);
2488         int i, j;
2489         int __iomem *c;
2490         int v, r, g, b;
2491
2492         if (!dev_drv->suspend_flag)
2493                 return 0;
2494         rk_disp_pwr_enable(dev_drv);
2495         dev_drv->suspend_flag = 0;
2496
2497         if (lcdc_dev->atv_layer_cnt) {
2498                 rk3288_lcdc_clk_enable(lcdc_dev);
2499                 rk3288_lcdc_reg_restore(lcdc_dev);
2500
2501                 spin_lock(&lcdc_dev->reg_lock);
2502                 if (dev_drv->cur_screen->dsp_lut) {
2503                         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN,
2504                                      v_DSP_LUT_EN(0));
2505                         lcdc_cfg_done(lcdc_dev);
2506                         mdelay(25);
2507                         for (i = 0; i < 256; i++) {
2508                                 v = dev_drv->cur_screen->dsp_lut[i];
2509                                 c = lcdc_dev->dsp_lut_addr_base + (i << 2);
2510                                 b = (v & 0xff) << 2;
2511                                 g = (v & 0xff00) << 4;
2512                                 r = (v & 0xff0000) << 6;
2513                                 v = r + g + b;
2514                                 for (j = 0; j < 4; j++) {
2515                                         writel_relaxed(v, c);
2516                                         v += (1 + (1 << 10) + (1 << 20)) ;
2517                                         c++;
2518                                 }
2519                         }
2520                         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN,
2521                                      v_DSP_LUT_EN(1));
2522                 }
2523
2524                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DSP_OUT_ZERO,
2525                              v_DSP_OUT_ZERO(0));
2526                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_STANDBY_EN,
2527                              v_STANDBY_EN(0));
2528                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DSP_BLANK_EN,
2529                                         v_DSP_BLANK_EN(0));
2530                 lcdc_cfg_done(lcdc_dev);
2531
2532                 if (dev_drv->iommu_enabled) {
2533                         if (dev_drv->mmu_dev)
2534                                 rockchip_iovmm_activate(dev_drv->dev);
2535                 }
2536
2537                 spin_unlock(&lcdc_dev->reg_lock);
2538         }
2539
2540         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
2541                 dev_drv->trsm_ops->enable();
2542
2543         return 0;
2544 }
2545
2546 static int rk3288_lcdc_blank(struct rk_lcdc_driver *dev_drv,
2547                              int win_id, int blank_mode)
2548 {
2549         switch (blank_mode) {
2550         case FB_BLANK_UNBLANK:
2551                 rk3288_lcdc_early_resume(dev_drv);
2552                 break;
2553         case FB_BLANK_NORMAL:
2554                 rk3288_lcdc_early_suspend(dev_drv);
2555                 break;
2556         default:
2557                 rk3288_lcdc_early_suspend(dev_drv);
2558                 break;
2559         }
2560
2561         dev_info(dev_drv->dev, "blank mode:%d\n", blank_mode);
2562
2563         return 0;
2564 }
2565
2566 static int rk3288_lcdc_get_win_state(struct rk_lcdc_driver *dev_drv, int win_id)
2567 {
2568         struct lcdc_device *lcdc_dev =
2569                 container_of(dev_drv, struct lcdc_device, driver);
2570         int win_status = 0;
2571         if (win_id == 0)
2572                 win_status = lcdc_read_bit(lcdc_dev, WIN0_CTRL0, m_WIN0_EN);
2573         else if (win_id == 1)
2574                 win_status = lcdc_read_bit(lcdc_dev, WIN1_CTRL0, m_WIN1_EN);
2575         else if (win_id == 2)
2576                 win_status = lcdc_read_bit(lcdc_dev, WIN2_CTRL0, m_WIN2_EN);
2577         else if (win_id == 3)
2578                 win_status = lcdc_read_bit(lcdc_dev, WIN3_CTRL0, m_WIN3_EN);
2579         else if (win_id == 4)
2580                 win_status = lcdc_read_bit(lcdc_dev, HWC_CTRL0, m_HWC_EN);
2581         else
2582                 pr_err("!!!%s,win_id :%d,unsupport!!!\n",__func__,win_id);
2583
2584         return win_status;
2585 }
2586
2587 /*overlay will be do at regupdate*/
2588 static int rk3288_lcdc_ovl_mgr(struct rk_lcdc_driver *dev_drv, int swap,
2589                                bool set)
2590 {
2591         struct lcdc_device *lcdc_dev =
2592             container_of(dev_drv, struct lcdc_device, driver);
2593         struct rk_lcdc_win *win = NULL;
2594         int i,ovl;
2595         unsigned int mask, val;
2596         int z_order_num=0;
2597         int layer0_sel,layer1_sel,layer2_sel,layer3_sel;
2598         if(swap == 0){
2599                 for(i=0;i<4;i++){
2600                         win = dev_drv->win[i];
2601                         if(win->state == 1){
2602                                 z_order_num++;
2603                         }
2604                 }
2605                 for(i=0;i<4;i++){
2606                         win = dev_drv->win[i];
2607                         if(win->state == 0)
2608                                 win->z_order = z_order_num++;
2609                         switch(win->z_order){
2610                         case 0:
2611                                 layer0_sel = win->id;
2612                                 break;
2613                         case 1:
2614                                 layer1_sel = win->id;
2615                                 break;
2616                         case 2:
2617                                 layer2_sel = win->id;
2618                                 break;
2619                         case 3:
2620                                 layer3_sel = win->id;
2621                                 break;
2622                         default:
2623                                 break;
2624                         }
2625                 }
2626         }else{
2627                 layer0_sel = swap %10;;
2628                 layer1_sel = swap /10 % 10;
2629                 layer2_sel = swap / 100 %10;
2630                 layer3_sel = swap / 1000;
2631         }
2632
2633         spin_lock(&lcdc_dev->reg_lock);
2634         if(lcdc_dev->clk_on){
2635                 if(set){
2636                         mask = m_DSP_LAYER0_SEL | m_DSP_LAYER1_SEL |
2637                                 m_DSP_LAYER2_SEL | m_DSP_LAYER3_SEL;
2638                         val  = v_DSP_LAYER0_SEL(layer0_sel) |
2639                                 v_DSP_LAYER1_SEL(layer1_sel) |
2640                                 v_DSP_LAYER2_SEL(layer2_sel) |
2641                                 v_DSP_LAYER3_SEL(layer3_sel);
2642                         lcdc_msk_reg(lcdc_dev,DSP_CTRL1,mask,val);
2643                 }else{
2644                         layer0_sel = lcdc_read_bit(lcdc_dev, DSP_CTRL1, m_DSP_LAYER0_SEL);
2645                         layer1_sel = lcdc_read_bit(lcdc_dev, DSP_CTRL1, m_DSP_LAYER1_SEL);
2646                         layer2_sel = lcdc_read_bit(lcdc_dev, DSP_CTRL1, m_DSP_LAYER2_SEL);
2647                         layer3_sel = lcdc_read_bit(lcdc_dev, DSP_CTRL1, m_DSP_LAYER3_SEL);
2648                         ovl = layer3_sel*1000 + layer2_sel*100 + layer1_sel *10 + layer0_sel;
2649                 }
2650         }else{
2651                 ovl = -EPERM;
2652         }
2653         spin_unlock(&lcdc_dev->reg_lock);
2654
2655         return ovl;
2656 }
2657
2658 static ssize_t rk3288_lcdc_get_disp_info(struct rk_lcdc_driver *dev_drv,
2659                                          char *buf, int win_id)
2660 {
2661         struct lcdc_device *lcdc_dev = container_of(dev_drv,
2662                                                            struct
2663                                                            lcdc_device,
2664                                                            driver);
2665         struct rk_screen *screen = dev_drv->cur_screen;
2666         u16 hsync_len = screen->mode.hsync_len;
2667         u16 left_margin = screen->mode.left_margin;
2668         u16 vsync_len = screen->mode.vsync_len;
2669         u16 upper_margin = screen->mode.upper_margin;
2670         u32 h_pw_bp = hsync_len + left_margin;
2671         u32 v_pw_bp = vsync_len + upper_margin;
2672         u32 fmt_id;
2673         char format_w0[9] = "NULL";
2674         char format_w1[9] = "NULL";
2675         char format_w2[9] = "NULL";
2676         char format_w3[9] = "NULL";
2677         u32 win_ctrl,zorder,vir_info,act_info,dsp_info,dsp_st,y_factor,uv_factor;
2678         u8 layer0_sel,layer1_sel,layer2_sel,layer3_sel;
2679         u8 w0_state,w1_state,w2_state,w3_state;
2680         u8 w2_0_state,w2_1_state,w2_2_state,w2_3_state;
2681         u8 w3_0_state,w3_1_state,w3_2_state,w3_3_state;
2682
2683         u32 w0_vir_y,w0_vir_uv,w0_act_x,w0_act_y,w0_dsp_x,w0_dsp_y,w0_st_x=h_pw_bp,w0_st_y=v_pw_bp;
2684         u32 w1_vir_y,w1_vir_uv,w1_act_x,w1_act_y,w1_dsp_x,w1_dsp_y,w1_st_x=h_pw_bp,w1_st_y=v_pw_bp;
2685         u32 w0_y_h_fac,w0_y_v_fac,w0_uv_h_fac,w0_uv_v_fac;
2686         u32 w1_y_h_fac,w1_y_v_fac,w1_uv_h_fac,w1_uv_v_fac;
2687
2688         u32 w2_0_vir_y,w2_1_vir_y,w2_2_vir_y,w2_3_vir_y;
2689         u32 w2_0_dsp_x,w2_1_dsp_x,w2_2_dsp_x,w2_3_dsp_x;
2690         u32 w2_0_dsp_y,w2_1_dsp_y,w2_2_dsp_y,w2_3_dsp_y;
2691         u32 w2_0_st_x=h_pw_bp,w2_1_st_x=h_pw_bp,w2_2_st_x=h_pw_bp,w2_3_st_x=h_pw_bp;
2692         u32 w2_0_st_y=v_pw_bp,w2_1_st_y=v_pw_bp,w2_2_st_y=v_pw_bp,w2_3_st_y=v_pw_bp;
2693
2694         u32 w3_0_vir_y,w3_1_vir_y,w3_2_vir_y,w3_3_vir_y;
2695         u32 w3_0_dsp_x,w3_1_dsp_x,w3_2_dsp_x,w3_3_dsp_x;
2696         u32 w3_0_dsp_y,w3_1_dsp_y,w3_2_dsp_y,w3_3_dsp_y;
2697         u32 w3_0_st_x=h_pw_bp,w3_1_st_x=h_pw_bp,w3_2_st_x=h_pw_bp,w3_3_st_x=h_pw_bp;
2698         u32 w3_0_st_y=v_pw_bp,w3_1_st_y=v_pw_bp,w3_2_st_y=v_pw_bp,w3_3_st_y=v_pw_bp;
2699         u32 dclk_freq;
2700
2701         dclk_freq = screen->mode.pixclock;
2702         /*rk3288_lcdc_reg_dump(dev_drv);*/
2703
2704         spin_lock(&lcdc_dev->reg_lock);
2705         if (lcdc_dev->clk_on) {
2706                 zorder = lcdc_readl(lcdc_dev, DSP_CTRL1);
2707                 layer0_sel = (zorder & m_DSP_LAYER0_SEL)>>8;
2708                 layer1_sel = (zorder & m_DSP_LAYER1_SEL)>>10;
2709                 layer2_sel = (zorder & m_DSP_LAYER2_SEL)>>12;
2710                 layer3_sel = (zorder & m_DSP_LAYER3_SEL)>>14;
2711                 /*WIN0*/
2712                 win_ctrl = lcdc_readl(lcdc_dev, WIN0_CTRL0);
2713                 w0_state = win_ctrl & m_WIN0_EN;
2714                 fmt_id = (win_ctrl & m_WIN0_DATA_FMT)>>1;
2715                 switch (fmt_id) {
2716                 case 0:
2717                         strcpy(format_w0, "ARGB888");
2718                         break;
2719                 case 1:
2720                         strcpy(format_w0, "RGB888");
2721                         break;
2722                 case 2:
2723                         strcpy(format_w0, "RGB565");
2724                         break;
2725                 case 4:
2726                         strcpy(format_w0, "YCbCr420");
2727                         break;
2728                 case 5:
2729                         strcpy(format_w0, "YCbCr422");
2730                         break;
2731                 case 6:
2732                         strcpy(format_w0, "YCbCr444");
2733                         break;
2734                 default:
2735                         strcpy(format_w0, "invalid\n");
2736                         break;
2737                 }
2738                 vir_info = lcdc_readl(lcdc_dev,WIN0_VIR);
2739                 act_info = lcdc_readl(lcdc_dev,WIN0_ACT_INFO);
2740                 dsp_info = lcdc_readl(lcdc_dev,WIN0_DSP_INFO);
2741                 dsp_st = lcdc_readl(lcdc_dev,WIN0_DSP_ST);
2742                 y_factor = lcdc_readl(lcdc_dev,WIN0_SCL_FACTOR_YRGB);
2743                 uv_factor = lcdc_readl(lcdc_dev,WIN0_SCL_FACTOR_CBR);
2744                 w0_vir_y = vir_info & m_WIN0_VIR_STRIDE;
2745                 w0_vir_uv = (vir_info & m_WIN0_VIR_STRIDE_UV)>>16;
2746                 w0_act_x = (act_info & m_WIN0_ACT_WIDTH)+1;
2747                 w0_act_y = ((act_info & m_WIN0_ACT_HEIGHT)>>16)+1;
2748                 w0_dsp_x = (dsp_info & m_WIN0_DSP_WIDTH)+1;
2749                 w0_dsp_y = ((dsp_info & m_WIN0_DSP_HEIGHT)>>16)+1;
2750                 if (w0_state) {
2751                         w0_st_x = dsp_st & m_WIN0_DSP_XST;
2752                         w0_st_y = (dsp_st & m_WIN0_DSP_YST)>>16;
2753                 }
2754                 w0_y_h_fac = y_factor & m_WIN0_HS_FACTOR_YRGB;
2755                 w0_y_v_fac = (y_factor & m_WIN0_VS_FACTOR_YRGB)>>16;
2756                 w0_uv_h_fac = uv_factor & m_WIN0_HS_FACTOR_CBR;
2757                 w0_uv_v_fac = (uv_factor & m_WIN0_VS_FACTOR_CBR)>>16;
2758
2759                 /*WIN1*/
2760                 win_ctrl = lcdc_readl(lcdc_dev, WIN1_CTRL0);
2761                 w1_state = win_ctrl & m_WIN1_EN;
2762                 fmt_id = (win_ctrl & m_WIN1_DATA_FMT)>>1;
2763                 switch (fmt_id) {
2764                 case 0:
2765                         strcpy(format_w1, "ARGB888");
2766                         break;
2767                 case 1:
2768                         strcpy(format_w1, "RGB888");
2769                         break;
2770                 case 2:
2771                         strcpy(format_w1, "RGB565");
2772                         break;
2773                 case 4:
2774                         strcpy(format_w1, "YCbCr420");
2775                         break;
2776                 case 5:
2777                         strcpy(format_w1, "YCbCr422");
2778                         break;
2779                 case 6:
2780                         strcpy(format_w1, "YCbCr444");
2781                         break;
2782                 default:
2783                         strcpy(format_w1, "invalid\n");
2784                         break;
2785                 }
2786                 vir_info = lcdc_readl(lcdc_dev,WIN1_VIR);
2787                 act_info = lcdc_readl(lcdc_dev,WIN1_ACT_INFO);
2788                 dsp_info = lcdc_readl(lcdc_dev,WIN1_DSP_INFO);
2789                 dsp_st = lcdc_readl(lcdc_dev,WIN1_DSP_ST);
2790                 y_factor = lcdc_readl(lcdc_dev,WIN1_SCL_FACTOR_YRGB);
2791                 uv_factor = lcdc_readl(lcdc_dev,WIN1_SCL_FACTOR_CBR);
2792                 w1_vir_y = vir_info & m_WIN1_VIR_STRIDE;
2793                 w1_vir_uv = (vir_info & m_WIN1_VIR_STRIDE_UV)>>16;
2794                 w1_act_x = (act_info & m_WIN1_ACT_WIDTH)+1;
2795                 w1_act_y = ((act_info & m_WIN1_ACT_HEIGHT)>>16)+1;
2796                 w1_dsp_x = (dsp_info & m_WIN1_DSP_WIDTH)+1;
2797                 w1_dsp_y =((dsp_info & m_WIN1_DSP_HEIGHT)>>16)+1;
2798                 if (w1_state) {
2799                         w1_st_x = dsp_st & m_WIN1_DSP_XST;
2800                         w1_st_y = (dsp_st & m_WIN1_DSP_YST)>>16;
2801                 }
2802                 w1_y_h_fac = y_factor & m_WIN1_HS_FACTOR_YRGB;
2803                 w1_y_v_fac = (y_factor & m_WIN1_VS_FACTOR_YRGB)>>16;
2804                 w1_uv_h_fac = uv_factor & m_WIN1_HS_FACTOR_CBR;
2805                 w1_uv_v_fac = (uv_factor & m_WIN1_VS_FACTOR_CBR)>>16;
2806                 /*WIN2*/
2807                 win_ctrl = lcdc_readl(lcdc_dev, WIN2_CTRL0);
2808                 w2_state = win_ctrl & m_WIN2_EN;
2809                 w2_0_state = (win_ctrl & m_WIN2_MST0_EN)>>4;
2810                 w2_1_state = (win_ctrl & m_WIN2_MST1_EN)>>5;
2811                 w2_2_state = (win_ctrl & m_WIN2_MST2_EN)>>6;
2812                 w2_3_state = (win_ctrl & m_WIN2_MST3_EN)>>7;
2813                 vir_info = lcdc_readl(lcdc_dev,WIN2_VIR0_1);
2814                 w2_0_vir_y = vir_info & m_WIN2_VIR_STRIDE0;
2815                 w2_1_vir_y = (vir_info & m_WIN2_VIR_STRIDE1)>>16;
2816                 vir_info = lcdc_readl(lcdc_dev,WIN2_VIR2_3);
2817                 w2_2_vir_y = vir_info & m_WIN2_VIR_STRIDE2;
2818                 w2_3_vir_y = (vir_info & m_WIN2_VIR_STRIDE3)>>16;
2819                 fmt_id = (win_ctrl & m_WIN2_DATA_FMT)>>1;
2820                 switch (fmt_id) {
2821                 case 0:
2822                         strcpy(format_w2, "ARGB888");
2823                         break;
2824                 case 1:
2825                         strcpy(format_w2, "RGB888");
2826                         break;
2827                 case 2:
2828                         strcpy(format_w2, "RGB565");
2829                         break;
2830                 case 4:
2831                         strcpy(format_w2,"8bpp");
2832                         break;
2833                 case 5:
2834                         strcpy(format_w2,"4bpp");
2835                         break;
2836                 case 6:
2837                         strcpy(format_w2,"2bpp");
2838                         break;
2839                 case 7:
2840                         strcpy(format_w2,"1bpp");
2841                         break;
2842                 default:
2843                         strcpy(format_w2, "invalid\n");
2844                         break;
2845                 }
2846                 dsp_info = lcdc_readl(lcdc_dev,WIN2_DSP_INFO0);
2847                 dsp_st = lcdc_readl(lcdc_dev,WIN2_DSP_ST0);
2848                 w2_0_dsp_x = (dsp_info & m_WIN2_DSP_WIDTH0)+1;
2849                 w2_0_dsp_y = ((dsp_info & m_WIN2_DSP_HEIGHT0)>>16)+1;
2850                 if (w2_0_state) {
2851                         w2_0_st_x = dsp_st & m_WIN2_DSP_XST0;
2852                         w2_0_st_y = (dsp_st & m_WIN2_DSP_YST0)>>16;
2853                 }
2854                 dsp_info = lcdc_readl(lcdc_dev,WIN2_DSP_INFO1);
2855                 dsp_st = lcdc_readl(lcdc_dev,WIN2_DSP_ST1);
2856                 w2_1_dsp_x = (dsp_info & m_WIN2_DSP_WIDTH1)+1;
2857                 w2_1_dsp_y = ((dsp_info & m_WIN2_DSP_HEIGHT1)>>16)+1;
2858                 if (w2_1_state) {
2859                         w2_1_st_x = dsp_st & m_WIN2_DSP_XST1;
2860                         w2_1_st_y = (dsp_st & m_WIN2_DSP_YST1)>>16;
2861                 }
2862                 dsp_info = lcdc_readl(lcdc_dev,WIN2_DSP_INFO2);
2863                 dsp_st = lcdc_readl(lcdc_dev,WIN2_DSP_ST2);
2864                 w2_2_dsp_x = (dsp_info & m_WIN2_DSP_WIDTH2)+1;
2865                 w2_2_dsp_y = ((dsp_info & m_WIN2_DSP_HEIGHT2)>>16)+1;
2866                 if (w2_2_state) {
2867                         w2_2_st_x = dsp_st & m_WIN2_DSP_XST2;
2868                         w2_2_st_y = (dsp_st & m_WIN2_DSP_YST2)>>16;
2869                 }
2870                 dsp_info = lcdc_readl(lcdc_dev,WIN2_DSP_INFO3);
2871                 dsp_st = lcdc_readl(lcdc_dev,WIN2_DSP_ST3);
2872                 w2_3_dsp_x = (dsp_info & m_WIN2_DSP_WIDTH3)+1;
2873                 w2_3_dsp_y = ((dsp_info & m_WIN2_DSP_HEIGHT3)>>16)+1;
2874                 if (w2_3_state) {
2875                         w2_3_st_x = dsp_st & m_WIN2_DSP_XST3;
2876                         w2_3_st_y = (dsp_st & m_WIN2_DSP_YST3)>>16;
2877                 }
2878
2879                 /*WIN3*/
2880                 win_ctrl = lcdc_readl(lcdc_dev, WIN3_CTRL0);
2881                 w3_state = win_ctrl & m_WIN3_EN;
2882                 w3_0_state = (win_ctrl & m_WIN3_MST0_EN)>>4;
2883                 w3_1_state = (win_ctrl & m_WIN3_MST1_EN)>>5;
2884                 w3_2_state = (win_ctrl & m_WIN3_MST2_EN)>>6;
2885                 w3_3_state = (win_ctrl & m_WIN3_MST3_EN)>>7;
2886                 vir_info = lcdc_readl(lcdc_dev,WIN3_VIR0_1);
2887                 w3_0_vir_y = vir_info & m_WIN3_VIR_STRIDE0;
2888                 w3_1_vir_y = (vir_info & m_WIN3_VIR_STRIDE1)>>16;
2889                 vir_info = lcdc_readl(lcdc_dev,WIN3_VIR2_3);
2890                 w3_2_vir_y = vir_info & m_WIN3_VIR_STRIDE2;
2891                 w3_3_vir_y = (vir_info & m_WIN3_VIR_STRIDE3)>>16;
2892                 fmt_id = (win_ctrl & m_WIN3_DATA_FMT)>>1;
2893                 switch (fmt_id) {
2894                 case 0:
2895                         strcpy(format_w3, "ARGB888");
2896                         break;
2897                 case 1:
2898                         strcpy(format_w3, "RGB888");
2899                         break;
2900                 case 2:
2901                         strcpy(format_w3, "RGB565");
2902                         break;
2903                 case 4:
2904                         strcpy(format_w3,"8bpp");
2905                         break;
2906                 case 5:
2907                         strcpy(format_w3,"4bpp");
2908                         break;
2909                 case 6:
2910                         strcpy(format_w3,"2bpp");
2911                         break;
2912                 case 7:
2913                         strcpy(format_w3,"1bpp");
2914                         break;
2915                 default:
2916                         strcpy(format_w3, "invalid");
2917                         break;
2918                 }
2919                 dsp_info = lcdc_readl(lcdc_dev,WIN3_DSP_INFO0);
2920                 dsp_st = lcdc_readl(lcdc_dev,WIN3_DSP_ST0);
2921                 w3_0_dsp_x = (dsp_info & m_WIN3_DSP_WIDTH0)+1;
2922                 w3_0_dsp_y = ((dsp_info & m_WIN3_DSP_HEIGHT0)>>16)+1;
2923                 if (w3_0_state) {
2924                         w3_0_st_x = dsp_st & m_WIN3_DSP_XST0;
2925                         w3_0_st_y = (dsp_st & m_WIN3_DSP_YST0)>>16;
2926                 }
2927
2928                 dsp_info = lcdc_readl(lcdc_dev,WIN3_DSP_INFO1);
2929                 dsp_st = lcdc_readl(lcdc_dev,WIN3_DSP_ST1);
2930                 w3_1_dsp_x = (dsp_info & m_WIN3_DSP_WIDTH1)+1;
2931                 w3_1_dsp_y = ((dsp_info & m_WIN3_DSP_HEIGHT1)>>16)+1;
2932                 if (w3_1_state) {
2933                         w3_1_st_x = dsp_st & m_WIN3_DSP_XST1;
2934                         w3_1_st_y = (dsp_st & m_WIN3_DSP_YST1)>>16;
2935                 }
2936
2937                 dsp_info = lcdc_readl(lcdc_dev,WIN3_DSP_INFO2);
2938                 dsp_st = lcdc_readl(lcdc_dev,WIN3_DSP_ST2);
2939                 w3_2_dsp_x = (dsp_info & m_WIN3_DSP_WIDTH2)+1;
2940                 w3_2_dsp_y = ((dsp_info & m_WIN3_DSP_HEIGHT2)>>16)+1;
2941                 if (w3_2_state) {
2942                         w3_2_st_x = dsp_st & m_WIN3_DSP_XST2;
2943                         w3_2_st_y = (dsp_st & m_WIN3_DSP_YST2)>>16;
2944                 }
2945
2946                 dsp_info = lcdc_readl(lcdc_dev,WIN3_DSP_INFO3);
2947                 dsp_st = lcdc_readl(lcdc_dev,WIN3_DSP_ST3);
2948                 w3_3_dsp_x = (dsp_info & m_WIN3_DSP_WIDTH3)+1;
2949                 w3_3_dsp_y = ((dsp_info & m_WIN3_DSP_HEIGHT3)>>16)+1;
2950                 if (w3_3_state) {
2951                         w3_3_st_x = dsp_st & m_WIN3_DSP_XST3;
2952                         w3_3_st_y = (dsp_st & m_WIN3_DSP_YST3)>>16;
2953                 }
2954
2955         } else {
2956                 spin_unlock(&lcdc_dev->reg_lock);
2957                 return -EPERM;
2958         }
2959         spin_unlock(&lcdc_dev->reg_lock);
2960         return snprintf(buf, PAGE_SIZE,
2961                         "z-order:\n"
2962                         "  layer3_sel_win[%d]\n"
2963                         "  layer2_sel_win[%d]\n"
2964                         "  layer1_sel_win[%d]\n"
2965                         "  layer0_sel_win[%d]\n"
2966                         "win0:\n"
2967                         "  state:%d, "
2968                         "  fmt:%s, "
2969                         "  y_vir:%d, "
2970                         "  uv_vir:%d\n"
2971                         "  xact:%4d, "
2972                         "  yact:%4d, "
2973                         "  dsp_x:%4d, "
2974                         "  dsp_y:%4d, "
2975                         "  x_st:%4d, "
2976                         "  y_st:%4d\n"
2977                         "  y_h_fac:%8d, "
2978                         "  y_v_fac:%8d, "
2979                         "  uv_h_fac:%8d, "
2980                         "  uv_v_fac:%8d\n"
2981                         "  y_addr: 0x%08x, "
2982                         "  uv_addr:0x%08x\n"
2983                         "win1:\n"
2984                         "  state:%d, "
2985                         "  fmt:%s, "
2986                         "  y_vir:%d, "
2987                         "  uv_vir:%d\n"
2988                         "  xact:%4d, "
2989                         "  yact:%4d, "
2990                         "  dsp_x:%4d, "
2991                         "  dsp_y:%4d, "
2992                         "  x_st:%4d, "
2993                         "  y_st:%4d\n"
2994                         "  y_h_fac:%8d, "
2995                         "  y_v_fac:%8d, "
2996                         "  uv_h_fac:%8d, "
2997                         "  uv_v_fac:%8d\n"
2998                         "  y_addr: 0x%08x, "
2999                         "  uv_addr:0x%08x\n"
3000                         "win2:\n"
3001                         "  state:%d\n"
3002                         "  fmt:%s\n"
3003                         "  area0:"
3004                         "  state:%d,"
3005                         "  y_vir:%4d,"
3006                         "  dsp_x:%4d,"
3007                         "  dsp_y:%4d,"
3008                         "  x_st:%4d,"
3009                         "  y_st:%4d,"
3010                         "  addr:0x%08x\n"
3011                         "  area1:"
3012                         "  state:%d,"
3013                         "  y_vir:%4d,"
3014                         "  dsp_x:%4d,"
3015                         "  dsp_y:%4d,"
3016                         "  x_st:%4d,"
3017                         "  y_st:%4d,"
3018                         "  addr:0x%08x\n"
3019                         "  area2:"
3020                         "  state:%d,"
3021                         "  y_vir:%4d,"
3022                         "  dsp_x:%4d,"
3023                         "  dsp_y:%4d,"
3024                         "  x_st:%4d,"
3025                         "  y_st:%4d,"
3026                         "  addr:0x%08x\n"
3027                         "  area3:"
3028                         "  state:%d,"
3029                         "  y_vir:%4d,"
3030                         "  dsp_x:%4d,"
3031                         "  dsp_y:%4d,"
3032                         "  x_st:%4d,"
3033                         "  y_st:%4d,"
3034                         "  addr:0x%08x\n"
3035                         "win3:\n"
3036                         "  state:%d\n"
3037                         "  fmt:%s\n"
3038                         "  area0:"
3039                         "  state:%d,"
3040                         "  y_vir:%4d,"
3041                         "  dsp_x:%4d,"
3042                         "  dsp_y:%4d,"
3043                         "  x_st:%4d,"
3044                         "  y_st:%4d,"
3045                         "  addr:0x%08x\n"
3046                         "  area1:"
3047                         "  state:%d,"
3048                         "  y_vir:%4d,"
3049                         "  dsp_x:%4d,"
3050                         "  dsp_y:%4d,"
3051                         "  x_st:%4d,"
3052                         "  y_st:%4d "
3053                         "  addr:0x%08x\n"
3054                         "  area2:"
3055                         "  state:%d,"
3056                         "  y_vir:%4d,"
3057                         "  dsp_x:%4d,"
3058                         "  dsp_y:%4d,"
3059                         "  x_st:%4d,"
3060                         "  y_st:%4d,"
3061                         "  addr:0x%08x\n"
3062                         "  area3:"
3063                         "  state:%d,"
3064                         "  y_vir:%4d,"
3065                         "  dsp_x:%4d,"
3066                         "  dsp_y:%4d,"
3067                         "  x_st:%4d,"
3068                         "  y_st:%4d,"
3069                         "  addr:0x%08x\n",
3070                         layer3_sel,layer2_sel,layer1_sel,layer0_sel,
3071                         w0_state,format_w0,w0_vir_y,w0_vir_uv,w0_act_x,w0_act_y,
3072                         w0_dsp_x,w0_dsp_y,w0_st_x-h_pw_bp,w0_st_y-v_pw_bp,w0_y_h_fac,w0_y_v_fac,w0_uv_h_fac,
3073                         w0_uv_v_fac,lcdc_readl(lcdc_dev, WIN0_YRGB_MST),
3074                         lcdc_readl(lcdc_dev, WIN0_CBR_MST),
3075
3076                         w1_state,format_w1,w1_vir_y,w1_vir_uv,w1_act_x,w1_act_y,
3077                         w1_dsp_x,w1_dsp_y,w1_st_x-h_pw_bp,w1_st_y-v_pw_bp,w1_y_h_fac,w1_y_v_fac,w1_uv_h_fac,
3078                         w1_uv_v_fac,lcdc_readl(lcdc_dev, WIN1_YRGB_MST),
3079                         lcdc_readl(lcdc_dev, WIN1_CBR_MST),
3080
3081                         w2_state,format_w2,
3082                         w2_0_state,w2_0_vir_y,w2_0_dsp_x,w2_0_dsp_y,
3083                         w2_0_st_x-h_pw_bp,w2_0_st_y-v_pw_bp,lcdc_readl(lcdc_dev, WIN2_MST0),
3084
3085                         w2_1_state,w2_1_vir_y,w2_1_dsp_x,w2_1_dsp_y,
3086                         w2_1_st_x-h_pw_bp,w2_1_st_y-v_pw_bp,lcdc_readl(lcdc_dev, WIN2_MST1),
3087
3088                         w2_2_state,w2_2_vir_y,w2_2_dsp_x,w2_2_dsp_y,
3089                         w2_2_st_x-h_pw_bp,w2_2_st_y-v_pw_bp,lcdc_readl(lcdc_dev, WIN2_MST2),
3090
3091                         w2_3_state,w2_3_vir_y,w2_3_dsp_x,w2_3_dsp_y,
3092                         w2_3_st_x-h_pw_bp,w2_3_st_y-v_pw_bp,lcdc_readl(lcdc_dev, WIN2_MST3),
3093
3094                         w3_state,format_w3,
3095                         w3_0_state,w3_0_vir_y,w3_0_dsp_x,w3_0_dsp_y,
3096                         w3_0_st_x-h_pw_bp,w3_0_st_y-v_pw_bp,lcdc_readl(lcdc_dev, WIN3_MST0),
3097
3098                         w3_1_state,w3_1_vir_y,w3_1_dsp_x,w3_1_dsp_y,
3099                         w3_1_st_x-h_pw_bp,w3_1_st_y-v_pw_bp,lcdc_readl(lcdc_dev, WIN3_MST1),
3100
3101                         w3_2_state,w3_2_vir_y,w3_2_dsp_x,w3_2_dsp_y,
3102                         w3_2_st_x-h_pw_bp,w3_2_st_y-v_pw_bp,lcdc_readl(lcdc_dev, WIN3_MST2),
3103
3104                         w3_3_state,w3_3_vir_y,w3_3_dsp_x,w3_3_dsp_y,
3105                         w3_3_st_x-h_pw_bp,w3_3_st_y-v_pw_bp,lcdc_readl(lcdc_dev, WIN3_MST3)
3106         );
3107
3108 }
3109
3110 static int rk3288_lcdc_fps_mgr(struct rk_lcdc_driver *dev_drv, int fps,
3111                                bool set)
3112 {
3113         struct lcdc_device *lcdc_dev =
3114             container_of(dev_drv, struct lcdc_device, driver);
3115         struct rk_screen *screen = dev_drv->cur_screen;
3116         u64 ft = 0;
3117         u32 dotclk;
3118         int ret;
3119         u32 pixclock;
3120         u32 x_total, y_total;
3121         if (set) {
3122                 if (fps == 0) {
3123                         dev_info(dev_drv->dev, "unsupport set fps=0\n");
3124                         return 0;
3125                 }
3126                 ft = div_u64(1000000000000llu, fps);
3127                 x_total =
3128                     screen->mode.upper_margin + screen->mode.lower_margin +
3129                     screen->mode.yres + screen->mode.vsync_len;
3130                 y_total =
3131                     screen->mode.left_margin + screen->mode.right_margin +
3132                     screen->mode.xres + screen->mode.hsync_len;
3133                 dev_drv->pixclock = div_u64(ft, x_total * y_total);
3134                 dotclk = div_u64(1000000000000llu, dev_drv->pixclock);
3135                 ret = clk_set_rate(lcdc_dev->dclk, dotclk);
3136         }
3137
3138         pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
3139         dev_drv->pixclock = lcdc_dev->pixclock = pixclock;
3140         fps = rk_fb_calc_fps(lcdc_dev->screen, pixclock);
3141         screen->ft = 1000 / fps;        /*one frame time in ms */
3142
3143         if (set)
3144                 dev_info(dev_drv->dev, "%s:dclk:%lu,fps:%d\n", __func__,
3145                          clk_get_rate(lcdc_dev->dclk), fps);
3146
3147         return fps;
3148 }
3149
3150 static int rk3288_fb_win_remap(struct rk_lcdc_driver *dev_drv, u16 order)
3151 {
3152         mutex_lock(&dev_drv->fb_win_id_mutex);
3153         if (order == FB_DEFAULT_ORDER)
3154                 order = FB0_WIN0_FB1_WIN1_FB2_WIN2_FB3_WIN3;
3155         dev_drv->fb3_win_id = order / 1000;
3156         dev_drv->fb2_win_id = (order / 100) % 10;
3157         dev_drv->fb1_win_id = (order / 10) % 10;
3158         dev_drv->fb0_win_id = order % 10;
3159         mutex_unlock(&dev_drv->fb_win_id_mutex);
3160
3161         return 0;
3162 }
3163
3164 static int rk3288_lcdc_get_win_id(struct rk_lcdc_driver *dev_drv,
3165                                   const char *id)
3166 {
3167         int win_id = 0;
3168         mutex_lock(&dev_drv->fb_win_id_mutex);
3169         if (!strcmp(id, "fb0") || !strcmp(id, "fb4"))
3170                 win_id = dev_drv->fb0_win_id;
3171         else if (!strcmp(id, "fb1") || !strcmp(id, "fb5"))
3172                 win_id = dev_drv->fb1_win_id;
3173         else if (!strcmp(id, "fb2") || !strcmp(id, "fb6"))
3174                 win_id = dev_drv->fb2_win_id;
3175         else if (!strcmp(id, "fb3") || !strcmp(id, "fb7"))
3176                 win_id = dev_drv->fb3_win_id;
3177         mutex_unlock(&dev_drv->fb_win_id_mutex);
3178
3179         return win_id;
3180 }
3181
3182 static int rk3288_set_dsp_lut(struct rk_lcdc_driver *dev_drv, int *lut)
3183 {
3184         int i,j;
3185         int __iomem *c;
3186         int v, r, g, b;
3187         int ret = 0;
3188
3189         struct lcdc_device *lcdc_dev =
3190             container_of(dev_drv, struct lcdc_device, driver);
3191         lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN, v_DSP_LUT_EN(0));
3192         lcdc_cfg_done(lcdc_dev);
3193         mdelay(25);
3194         if (dev_drv->cur_screen->dsp_lut) {
3195                 for (i = 0; i < 256; i++) {
3196                         v = dev_drv->cur_screen->dsp_lut[i] = lut[i];
3197                         c = lcdc_dev->dsp_lut_addr_base + (i << 2);
3198                         b = (v & 0xff) << 2;
3199                         g = (v & 0xff00) << 4;
3200                         r = (v & 0xff0000) << 6;
3201                         v = r + g + b;
3202                         for (j = 0; j < 4; j++) {
3203                                 writel_relaxed(v, c);
3204                                 v += (1 + (1 << 10) + (1 << 20)) ;
3205                                 c++;
3206                         }
3207                 }
3208         } else {
3209                 dev_err(dev_drv->dev, "no buffer to backup lut data!\n");
3210                 ret = -1;
3211         }
3212
3213         do{
3214                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN, v_DSP_LUT_EN(1));
3215                 lcdc_cfg_done(lcdc_dev);
3216         }while(!lcdc_read_bit(lcdc_dev,DSP_CTRL1,m_DSP_LUT_EN));
3217         return ret;
3218 }
3219
3220 static int rk3288_lcdc_config_done(struct rk_lcdc_driver *dev_drv)
3221 {
3222         struct lcdc_device *lcdc_dev =
3223             container_of(dev_drv, struct lcdc_device, driver);
3224         int i;
3225         unsigned int mask, val;
3226         struct rk_lcdc_win *win = NULL;
3227         spin_lock(&lcdc_dev->reg_lock);
3228         lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_STANDBY_EN,
3229                              v_STANDBY_EN(lcdc_dev->standby));
3230         for (i=0;i<4;i++) {
3231                 win = dev_drv->win[i];
3232                 if ((win->state == 0)&&(win->last_state == 1)) {
3233                         switch (win->id) {
3234                         case 0:
3235                                 lcdc_writel(lcdc_dev,WIN0_CTRL1,0x0);
3236                                 mask =  m_WIN0_EN;
3237                                 val  =  v_WIN0_EN(0);
3238                                 lcdc_msk_reg(lcdc_dev, WIN0_CTRL0, mask,val);
3239                                 break;
3240                         case 1:
3241                                 lcdc_writel(lcdc_dev,WIN1_CTRL1,0x0);
3242                                 mask =  m_WIN1_EN;
3243                                 val  =  v_WIN1_EN(0);
3244                                 lcdc_msk_reg(lcdc_dev, WIN1_CTRL0, mask,val);
3245                                 break;
3246                         case 2:
3247                                 mask =  m_WIN2_EN | m_WIN2_MST0_EN | m_WIN2_MST1_EN |
3248                                         m_WIN2_MST2_EN | m_WIN2_MST3_EN;
3249                                 val  =  v_WIN2_EN(0) | v_WIN2_MST0_EN(0) | v_WIN2_MST1_EN(0) |
3250                                         v_WIN2_MST2_EN(0) | v_WIN2_MST3_EN(0);
3251                                 lcdc_msk_reg(lcdc_dev, WIN2_CTRL0, mask,val);
3252                                 break;
3253                         case 3:
3254                                 mask =  m_WIN3_EN | m_WIN3_MST0_EN | m_WIN3_MST1_EN |
3255                                         m_WIN3_MST2_EN | m_WIN3_MST3_EN;
3256                                 val  =  v_WIN3_EN(0) | v_WIN3_MST0_EN(0) |  v_WIN3_MST1_EN(0) |
3257                                         v_WIN3_MST2_EN(0) | v_WIN3_MST3_EN(0);
3258                                 lcdc_msk_reg(lcdc_dev, WIN3_CTRL0, mask,val);
3259                                 break;
3260                         default:
3261                                 break;
3262                         }
3263                 }
3264                 win->last_state = win->state;
3265         }
3266         lcdc_cfg_done(lcdc_dev);
3267         spin_unlock(&lcdc_dev->reg_lock);
3268         return 0;
3269 }
3270
3271
3272 static int rk3288_lcdc_dpi_open(struct rk_lcdc_driver *dev_drv, bool open)
3273 {
3274         struct lcdc_device *lcdc_dev =
3275             container_of(dev_drv, struct lcdc_device, driver);
3276         spin_lock(&lcdc_dev->reg_lock);
3277         lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DIRECT_PATH_EN,
3278                      v_DIRECT_PATH_EN(open));
3279         lcdc_cfg_done(lcdc_dev);
3280         spin_unlock(&lcdc_dev->reg_lock);
3281         return 0;
3282 }
3283
3284 static int rk3288_lcdc_dpi_win_sel(struct rk_lcdc_driver *dev_drv, int win_id)
3285 {
3286         struct lcdc_device *lcdc_dev = container_of(dev_drv,
3287                                         struct lcdc_device, driver);
3288         spin_lock(&lcdc_dev->reg_lock);
3289         lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DIRECT_PATCH_SEL,
3290                      v_DIRECT_PATCH_SEL(win_id));
3291         lcdc_cfg_done(lcdc_dev);
3292         spin_unlock(&lcdc_dev->reg_lock);
3293         return 0;
3294
3295 }
3296
3297 static int rk3288_lcdc_dpi_status(struct rk_lcdc_driver *dev_drv)
3298 {
3299         struct lcdc_device *lcdc_dev =
3300             container_of(dev_drv, struct lcdc_device, driver);
3301         int ovl;
3302         spin_lock(&lcdc_dev->reg_lock);
3303         ovl = lcdc_read_bit(lcdc_dev, SYS_CTRL, m_DIRECT_PATH_EN);
3304         spin_unlock(&lcdc_dev->reg_lock);
3305         return ovl;
3306 }
3307 static int rk3288_lcdc_set_irq_to_cpu(struct rk_lcdc_driver * dev_drv,int enable)
3308 {
3309        struct lcdc_device *lcdc_dev =
3310                                 container_of(dev_drv,struct lcdc_device,driver);
3311        if (enable)
3312                enable_irq(lcdc_dev->irq);
3313        else
3314                disable_irq(lcdc_dev->irq);
3315        return 0;
3316 }
3317
3318 int rk3288_lcdc_poll_vblank(struct rk_lcdc_driver *dev_drv)
3319 {
3320         struct lcdc_device *lcdc_dev =
3321             container_of(dev_drv, struct lcdc_device, driver);
3322         u32 int_reg;
3323         int ret;
3324
3325         if (lcdc_dev->clk_on &&(!dev_drv->suspend_flag)){
3326                 int_reg = lcdc_readl(lcdc_dev, INTR_CTRL0);
3327                 if (int_reg & m_LINE_FLAG_INTR_STS) {
3328                         lcdc_dev->driver.frame_time.last_framedone_t =
3329                                         lcdc_dev->driver.frame_time.framedone_t;
3330                         lcdc_dev->driver.frame_time.framedone_t = cpu_clock(0);
3331                         lcdc_msk_reg(lcdc_dev, INTR_CTRL0, m_LINE_FLAG_INTR_CLR,
3332                                      v_LINE_FLAG_INTR_CLR(1));
3333                         ret = RK_LF_STATUS_FC;
3334                 } else
3335                         ret = RK_LF_STATUS_FR;
3336         } else {
3337                 ret = RK_LF_STATUS_NC;
3338         }
3339
3340         return ret;
3341 }
3342 static int rk3288_lcdc_get_dsp_addr(struct rk_lcdc_driver *dev_drv,unsigned int *dsp_addr)
3343 {
3344         struct lcdc_device *lcdc_dev =
3345             container_of(dev_drv, struct lcdc_device, driver);
3346         spin_lock(&lcdc_dev->reg_lock);
3347         if(lcdc_dev->clk_on){
3348                 dsp_addr[0] = lcdc_readl(lcdc_dev, WIN0_YRGB_MST);
3349                 dsp_addr[1] = lcdc_readl(lcdc_dev, WIN1_YRGB_MST);
3350                 dsp_addr[2] = lcdc_readl(lcdc_dev, WIN2_MST0);
3351                 dsp_addr[3] = lcdc_readl(lcdc_dev, WIN3_MST0);
3352         }
3353         spin_unlock(&lcdc_dev->reg_lock);
3354         return 0;
3355 }
3356
3357 static struct lcdc_cabc_mode cabc_mode[4] = {
3358 /* pixel_num, stage_up, stage_down */
3359         {5,     128,    0},     /*mode 1*/
3360         {10,    128,    0},     /*mode 2*/
3361         {15,    128,    0},     /*mode 3*/
3362         {20,    128,    0},     /*mode 4*/
3363 };
3364
3365 static int __maybe_unused
3366 rk3288_lcdc_set_dsp_cabc(struct rk_lcdc_driver *dev_drv, int mode)
3367 {
3368         struct lcdc_device *lcdc_dev =
3369             container_of(dev_drv, struct lcdc_device, driver);
3370         struct rk_screen *screen = dev_drv->cur_screen;
3371         u32 total_pixel, calc_pixel, stage_up, stage_down, pixel_num;
3372         u32 mask = 0, val = 0, cabc_en = 0;
3373         u32 max_mode_num = sizeof(cabc_mode) / sizeof(struct lcdc_cabc_mode);
3374
3375         dev_drv->cabc_mode = mode;
3376
3377         /* iomux connect to vop or pwm */
3378         if (mode == 0) {
3379                 DBG(3, "close cabc and select rk pwm\n");
3380                 val = 0x30001;
3381                 writel_relaxed(val, RK_GRF_VIRT + RK3288_GRF_GPIO7A_IOMUX);
3382                 cabc_en = 0;
3383         } else if (mode > 0 && mode <= max_mode_num) {
3384                 DBG(3, "open cabc and select vop pwm\n");
3385                 val = (dev_drv->id == 0) ? 0x30002 : 0x30003;
3386                 writel_relaxed(val, RK_GRF_VIRT + RK3288_GRF_GPIO7A_IOMUX);
3387                 cabc_en = 1;
3388         } else if (mode > 0x10 && mode <= (max_mode_num + 0x10)) {
3389                 DBG(3, "open cabc and select rk pwm\n");
3390                 val = 0x30001;
3391                 writel_relaxed(val, RK_GRF_VIRT + RK3288_GRF_GPIO7A_IOMUX);
3392                 cabc_en = 1;
3393                 mode -= 0x10;
3394         } else if (mode == 0xff) {
3395                 DBG(3, "close cabc and select vop pwm\n");
3396                 val = (dev_drv->id == 0) ? 0x30002 : 0x30003;
3397                 writel_relaxed(val, RK_GRF_VIRT + RK3288_GRF_GPIO7A_IOMUX);
3398                 cabc_en = 0;
3399         } else {
3400                 dev_err(lcdc_dev->dev, "invalid cabc mode value:%d", mode);
3401                 return 0;
3402         }
3403
3404         if (cabc_en == 0) {
3405                 spin_lock(&lcdc_dev->reg_lock);
3406                 if(lcdc_dev->clk_on) {
3407                         lcdc_msk_reg(lcdc_dev, CABC_CTRL0, m_CABC_EN, v_CABC_EN(0));
3408                         lcdc_cfg_done(lcdc_dev);
3409                 }
3410                 spin_unlock(&lcdc_dev->reg_lock);
3411                 return 0;
3412         }
3413
3414         total_pixel = screen->mode.xres * screen->mode.yres;
3415         pixel_num = 1000 - (cabc_mode[mode - 1].pixel_num);
3416         calc_pixel = (total_pixel * pixel_num) / 1000;
3417         stage_up = cabc_mode[mode - 1].stage_up;
3418         stage_down = cabc_mode[mode - 1].stage_down;
3419
3420         spin_lock(&lcdc_dev->reg_lock);
3421         if(lcdc_dev->clk_on) {
3422                 mask = m_CABC_TOTAL_NUM | m_CABC_STAGE_DOWN;
3423                 val = v_CABC_TOTAL_NUM(total_pixel) | v_CABC_STAGE_DOWN(stage_down);
3424                 lcdc_msk_reg(lcdc_dev, CABC_CTRL1, mask, val);
3425
3426                 mask = m_CABC_EN | m_CABC_CALC_PIXEL_NUM |
3427                         m_CABC_STAGE_UP;
3428                 val = v_CABC_EN(1) | v_CABC_CALC_PIXEL_NUM(calc_pixel) |
3429                         v_CABC_STAGE_UP(stage_up);
3430                 lcdc_msk_reg(lcdc_dev, CABC_CTRL0, mask, val);
3431                 lcdc_cfg_done(lcdc_dev);
3432         }
3433         spin_unlock(&lcdc_dev->reg_lock);
3434
3435         return 0;
3436 }
3437 /*
3438         a:[-30~0]:
3439             sin_hue = sin(a)*256 +0x100;
3440             cos_hue = cos(a)*256;
3441         a:[0~30]
3442             sin_hue = sin(a)*256;
3443             cos_hue = cos(a)*256;
3444 */
3445 static int rk3288_lcdc_get_bcsh_hue(struct rk_lcdc_driver *dev_drv,bcsh_hue_mode mode)
3446 {
3447
3448         struct lcdc_device *lcdc_dev =
3449             container_of(dev_drv, struct lcdc_device, driver);
3450         u32 val;
3451
3452         spin_lock(&lcdc_dev->reg_lock);
3453         if (lcdc_dev->clk_on) {
3454                 val = lcdc_readl(lcdc_dev, BCSH_H);
3455                 switch(mode){
3456                 case H_SIN:
3457                         val &= m_BCSH_SIN_HUE;
3458                         break;
3459                 case H_COS:
3460                         val &= m_BCSH_COS_HUE;
3461                         val >>= 16;
3462                         break;
3463                 default:
3464                         break;
3465                 }
3466         }
3467         spin_unlock(&lcdc_dev->reg_lock);
3468
3469         return val;
3470 }
3471
3472
3473 static int rk3288_lcdc_set_bcsh_hue(struct rk_lcdc_driver *dev_drv,int sin_hue, int cos_hue)
3474 {
3475
3476         struct lcdc_device *lcdc_dev =
3477             container_of(dev_drv, struct lcdc_device, driver);
3478         u32 mask, val;
3479
3480         spin_lock(&lcdc_dev->reg_lock);
3481         if (lcdc_dev->clk_on) {
3482                 mask = m_BCSH_SIN_HUE | m_BCSH_COS_HUE;
3483                 val = v_BCSH_SIN_HUE(sin_hue) | v_BCSH_COS_HUE(cos_hue);
3484                 lcdc_msk_reg(lcdc_dev, BCSH_H, mask, val);
3485                 lcdc_cfg_done(lcdc_dev);
3486         }
3487         spin_unlock(&lcdc_dev->reg_lock);
3488
3489         return 0;
3490 }
3491
3492 static int rk3288_lcdc_set_bcsh_bcs(struct rk_lcdc_driver *dev_drv,bcsh_bcs_mode mode,int value)
3493 {
3494         struct lcdc_device *lcdc_dev =
3495             container_of(dev_drv, struct lcdc_device, driver);
3496         u32 mask, val;
3497
3498         spin_lock(&lcdc_dev->reg_lock);
3499         if(lcdc_dev->clk_on) {
3500                 switch (mode) {
3501                 case BRIGHTNESS:
3502                 /*from 0 to 255,typical is 128*/
3503                         if (value < 0x80)
3504                                 value += 0x80;
3505                         else if (value >= 0x80)
3506                                 value = value - 0x80;
3507                         mask =  m_BCSH_BRIGHTNESS;
3508                         val = v_BCSH_BRIGHTNESS(value);
3509                         break;
3510                 case CONTRAST:
3511                 /*from 0 to 510,typical is 256*/
3512                         mask =  m_BCSH_CONTRAST;
3513                         val =  v_BCSH_CONTRAST(value);
3514                         break;
3515                 case SAT_CON:
3516                 /*from 0 to 1015,typical is 256*/
3517                         mask = m_BCSH_SAT_CON;
3518                         val = v_BCSH_SAT_CON(value);
3519                         break;
3520                 default:
3521                         break;
3522                 }
3523                 lcdc_msk_reg(lcdc_dev, BCSH_BCS, mask, val);
3524                 lcdc_cfg_done(lcdc_dev);
3525         }
3526         spin_unlock(&lcdc_dev->reg_lock);
3527         return val;
3528 }
3529
3530 static int rk3288_lcdc_get_bcsh_bcs(struct rk_lcdc_driver *dev_drv,bcsh_bcs_mode mode)
3531 {
3532         struct lcdc_device *lcdc_dev =
3533             container_of(dev_drv, struct lcdc_device, driver);
3534         u32 val;
3535
3536         spin_lock(&lcdc_dev->reg_lock);
3537         if(lcdc_dev->clk_on) {
3538                 val = lcdc_readl(lcdc_dev, BCSH_BCS);
3539                 switch (mode) {
3540                 case BRIGHTNESS:
3541                         val &= m_BCSH_BRIGHTNESS;
3542                         if(val > 0x80)
3543                                 val -= 0x80;
3544                         else
3545                                 val += 0x80;
3546                         break;
3547                 case CONTRAST:
3548                         val &= m_BCSH_CONTRAST;
3549                         val >>= 8;
3550                         break;
3551                 case SAT_CON:
3552                         val &= m_BCSH_SAT_CON;
3553                         val >>= 20;
3554                         break;
3555                 default:
3556                         break;
3557                 }
3558         }
3559         spin_unlock(&lcdc_dev->reg_lock);
3560         return val;
3561 }
3562
3563
3564 static int rk3288_lcdc_open_bcsh(struct rk_lcdc_driver *dev_drv, bool open)
3565 {
3566         struct lcdc_device *lcdc_dev =
3567             container_of(dev_drv, struct lcdc_device, driver);
3568         u32 mask, val;
3569
3570         spin_lock(&lcdc_dev->reg_lock);
3571         if (lcdc_dev->clk_on) {
3572                 if (open) {
3573                         lcdc_writel(lcdc_dev,BCSH_COLOR_BAR,0x1);
3574                         lcdc_writel(lcdc_dev,BCSH_BCS,0xd0010000);
3575                         lcdc_writel(lcdc_dev,BCSH_H,0x01000000);
3576                 } else {
3577                         mask = m_BCSH_EN;
3578                         val = v_BCSH_EN(0);
3579                         lcdc_msk_reg(lcdc_dev, BCSH_COLOR_BAR, mask, val);
3580                 }
3581                 lcdc_cfg_done(lcdc_dev);
3582         }
3583         spin_unlock(&lcdc_dev->reg_lock);
3584         return 0;
3585 }
3586
3587 static int rk3288_lcdc_set_bcsh(struct rk_lcdc_driver *dev_drv,
3588                                      bool enable)
3589 {
3590         if (!enable || !dev_drv->bcsh.enable) {
3591                 rk3288_lcdc_open_bcsh(dev_drv, false);
3592                 return 0;
3593         }
3594
3595         if (dev_drv->bcsh.brightness <= 255 ||
3596             dev_drv->bcsh.contrast <= 510 ||
3597             dev_drv->bcsh.sat_con <= 1015 ||
3598             (dev_drv->bcsh.sin_hue <= 511 && dev_drv->bcsh.cos_hue <= 511)) {
3599                 rk3288_lcdc_open_bcsh(dev_drv, true);
3600                 if (dev_drv->bcsh.brightness <= 255)
3601                         rk3288_lcdc_set_bcsh_bcs(dev_drv, BRIGHTNESS,
3602                                                  dev_drv->bcsh.brightness);
3603                 if (dev_drv->bcsh.contrast <= 510)
3604                         rk3288_lcdc_set_bcsh_bcs(dev_drv, CONTRAST,
3605                                                  dev_drv->bcsh.contrast);
3606                 if (dev_drv->bcsh.sat_con <= 1015)
3607                         rk3288_lcdc_set_bcsh_bcs(dev_drv, SAT_CON,
3608                                                  dev_drv->bcsh.sat_con);
3609                 if (dev_drv->bcsh.sin_hue <= 511 &&
3610                     dev_drv->bcsh.cos_hue <= 511)
3611                         rk3288_lcdc_set_bcsh_hue(dev_drv,
3612                                                  dev_drv->bcsh.sin_hue,
3613                                                  dev_drv->bcsh.cos_hue);
3614         }
3615         return 0;
3616 }
3617
3618 static struct rk_lcdc_win lcdc_win[] = {
3619         [0] = {
3620                .name = "win0",
3621                .id = 0,
3622                .support_3d = false,
3623                },
3624         [1] = {
3625                .name = "win1",
3626                .id = 1,
3627                .support_3d = false,
3628                },
3629         [2] = {
3630                .name = "win2",
3631                .id = 2,
3632                .support_3d = false,
3633                },
3634         [3] = {
3635                .name = "win3",
3636                .id = 3,
3637                .support_3d = false,
3638                },
3639 };
3640
3641 static struct rk_lcdc_drv_ops lcdc_drv_ops = {
3642         .open                   = rk3288_lcdc_open,
3643         .win_direct_en          = rk3288_lcdc_win_direct_en,
3644         .load_screen            = rk3288_load_screen,
3645         .get_dspbuf_info        = rk3288_get_dspbuf_info,
3646         .post_dspbuf            = rk3288_post_dspbuf,
3647         .set_par                = rk3288_lcdc_set_par,
3648         .pan_display            = rk3288_lcdc_pan_display,
3649         .direct_set_addr        = rk3288_lcdc_direct_set_win_addr,
3650         .lcdc_reg_update        = rk3288_lcdc_reg_update,
3651         .blank                  = rk3288_lcdc_blank,
3652         .ioctl                  = rk3288_lcdc_ioctl,
3653         .suspend                = rk3288_lcdc_early_suspend,
3654         .resume                 = rk3288_lcdc_early_resume,
3655         .get_win_state          = rk3288_lcdc_get_win_state,
3656         .ovl_mgr                = rk3288_lcdc_ovl_mgr,
3657         .get_disp_info          = rk3288_lcdc_get_disp_info,
3658         .fps_mgr                = rk3288_lcdc_fps_mgr,
3659         .fb_get_win_id          = rk3288_lcdc_get_win_id,
3660         .fb_win_remap           = rk3288_fb_win_remap,
3661         .set_dsp_lut            = rk3288_set_dsp_lut,
3662         .poll_vblank            = rk3288_lcdc_poll_vblank,
3663         .dpi_open               = rk3288_lcdc_dpi_open,
3664         .dpi_win_sel            = rk3288_lcdc_dpi_win_sel,
3665         .dpi_status             = rk3288_lcdc_dpi_status,
3666         .get_dsp_addr           = rk3288_lcdc_get_dsp_addr,
3667         /*.set_dsp_cabc                 = rk3288_lcdc_set_dsp_cabc,*/
3668         .set_dsp_bcsh_hue       = rk3288_lcdc_set_bcsh_hue,
3669         .set_dsp_bcsh_bcs       = rk3288_lcdc_set_bcsh_bcs,
3670         .get_dsp_bcsh_hue       = rk3288_lcdc_get_bcsh_hue,
3671         .get_dsp_bcsh_bcs       = rk3288_lcdc_get_bcsh_bcs,
3672         .open_bcsh              = rk3288_lcdc_open_bcsh,
3673         .dump_reg               = rk3288_lcdc_reg_dump,
3674         .cfg_done               = rk3288_lcdc_config_done,
3675         .set_irq_to_cpu         = rk3288_lcdc_set_irq_to_cpu,
3676 };
3677
3678 #ifdef LCDC_IRQ_DEBUG
3679 static int rk3288_lcdc_parse_irq(struct lcdc_device *lcdc_dev,unsigned int reg_val)
3680 {
3681         if (reg_val & m_WIN0_EMPTY_INTR_STS) {
3682                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, m_WIN0_EMPTY_INTR_CLR,
3683                              v_WIN0_EMPTY_INTR_CLR(1));
3684                 dev_warn(lcdc_dev->dev,"win0 empty irq!");
3685         }else if (reg_val & m_WIN1_EMPTY_INTR_STS) {
3686                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, m_WIN1_EMPTY_INTR_CLR,
3687                              v_WIN1_EMPTY_INTR_CLR(1));
3688                 dev_warn(lcdc_dev->dev,"win1 empty irq!");
3689         }else if (reg_val & m_WIN2_EMPTY_INTR_STS) {
3690                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, m_WIN2_EMPTY_INTR_CLR,
3691                              v_WIN2_EMPTY_INTR_CLR(1));
3692                 dev_warn(lcdc_dev->dev,"win2 empty irq!");
3693         }else if (reg_val & m_WIN3_EMPTY_INTR_STS) {
3694                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, m_WIN3_EMPTY_INTR_CLR,
3695                              v_WIN3_EMPTY_INTR_CLR(1));
3696                 dev_warn(lcdc_dev->dev,"win3 empty irq!");
3697         }else if (reg_val & m_HWC_EMPTY_INTR_STS) {
3698                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, m_HWC_EMPTY_INTR_CLR,
3699                              v_HWC_EMPTY_INTR_CLR(1));
3700                 dev_warn(lcdc_dev->dev,"HWC empty irq!");
3701         }else if (reg_val & m_POST_BUF_EMPTY_INTR_STS) {
3702                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, m_POST_BUF_EMPTY_INTR_CLR,
3703                              v_POST_BUF_EMPTY_INTR_CLR(1));
3704                 dev_warn(lcdc_dev->dev,"post buf empty irq!");
3705         }else if (reg_val & m_PWM_GEN_INTR_STS) {
3706                 lcdc_msk_reg(lcdc_dev, INTR_CTRL1, m_PWM_GEN_INTR_CLR,
3707                              v_PWM_GEN_INTR_CLR(1));
3708                 dev_warn(lcdc_dev->dev,"PWM gen irq!");
3709         }
3710
3711         return 0;
3712 }
3713 #endif
3714
3715 static irqreturn_t rk3288_lcdc_isr(int irq, void *dev_id)
3716 {
3717         struct lcdc_device *lcdc_dev =
3718             (struct lcdc_device *)dev_id;
3719         ktime_t timestamp = ktime_get();
3720         u32 intr0_reg;
3721
3722         intr0_reg = lcdc_readl(lcdc_dev, INTR_CTRL0);
3723
3724         if(intr0_reg & m_FS_INTR_STS){
3725                 timestamp = ktime_get();
3726                 lcdc_msk_reg(lcdc_dev, INTR_CTRL0, m_FS_INTR_CLR,
3727                              v_FS_INTR_CLR(1));
3728                 /*if(lcdc_dev->driver.wait_fs){ */
3729                 if (0) {
3730                         spin_lock(&(lcdc_dev->driver.cpl_lock));
3731                         complete(&(lcdc_dev->driver.frame_done));
3732                         spin_unlock(&(lcdc_dev->driver.cpl_lock));
3733                 }
3734 #ifdef CONFIG_DRM_ROCKCHIP
3735                 lcdc_dev->driver.irq_call_back(&lcdc_dev->driver);
3736 #endif
3737                 lcdc_dev->driver.vsync_info.timestamp = timestamp;
3738                 wake_up_interruptible_all(&lcdc_dev->driver.vsync_info.wait);
3739
3740         }else if(intr0_reg & m_LINE_FLAG_INTR_STS){
3741                 lcdc_dev->driver.frame_time.last_framedone_t =
3742                                 lcdc_dev->driver.frame_time.framedone_t;
3743                 lcdc_dev->driver.frame_time.framedone_t = cpu_clock(0);
3744                 lcdc_msk_reg(lcdc_dev, INTR_CTRL0, m_LINE_FLAG_INTR_CLR,
3745                              v_LINE_FLAG_INTR_CLR(1));
3746         }else if(intr0_reg & m_BUS_ERROR_INTR_STS){
3747                 lcdc_msk_reg(lcdc_dev, INTR_CTRL0, m_BUS_ERROR_INTR_CLR,
3748                              v_BUS_ERROR_INTR_CLR(1));
3749                 dev_warn(lcdc_dev->dev,"buf_error_int!");
3750         }
3751
3752         /* for win empty debug */
3753 #ifdef LCDC_IRQ_EMPTY_DEBUG
3754         intr1_reg = lcdc_readl(lcdc_dev, INTR_CTRL1);
3755         if (intr1_reg != 0) {
3756                 rk3288_lcdc_parse_irq(lcdc_dev,intr1_reg);
3757         }
3758 #endif
3759         return IRQ_HANDLED;
3760 }
3761
3762 #if defined(CONFIG_PM)
3763 static int rk3288_lcdc_suspend(struct platform_device *pdev, pm_message_t state)
3764 {
3765         return 0;
3766 }
3767
3768 static int rk3288_lcdc_resume(struct platform_device *pdev)
3769 {
3770         return 0;
3771 }
3772 #else
3773 #define rk3288_lcdc_suspend NULL
3774 #define rk3288_lcdc_resume  NULL
3775 #endif
3776
3777 static int rk3288_lcdc_parse_dt(struct lcdc_device *lcdc_dev)
3778 {
3779         struct device_node *np = lcdc_dev->dev->of_node;
3780         struct rk_lcdc_driver *dev_drv = &lcdc_dev->driver;
3781         int val;
3782
3783         if (of_property_read_u32(np, "rockchip,prop", &val))
3784                 lcdc_dev->prop = PRMRY; /*default set it as primary */
3785         else
3786                 lcdc_dev->prop = val;
3787
3788         if (of_property_read_u32(np, "rockchip,mirror", &val))
3789                 dev_drv->rotate_mode = NO_MIRROR;
3790         else
3791                 dev_drv->rotate_mode = val;
3792
3793         if (of_property_read_u32(np, "rockchip,cabc_mode", &val))
3794                 dev_drv->cabc_mode = 0; /* default set close cabc */
3795         else
3796                 dev_drv->cabc_mode = val;
3797
3798         if (of_property_read_u32(np, "rockchip,pwr18", &val))
3799                 lcdc_dev->pwr18 = false;        /*default set it as 3.xv power supply */
3800         else
3801                 lcdc_dev->pwr18 = (val ? true : false);
3802
3803         if (of_property_read_u32(np, "rockchip,fb-win-map", &val))
3804                 dev_drv->fb_win_map = FB_DEFAULT_ORDER;
3805         else
3806                 dev_drv->fb_win_map = val;
3807
3808         if (of_property_read_u32(np, "rockchip,bcsh-en", &val))
3809                 dev_drv->bcsh.enable = false;
3810         else
3811                 dev_drv->bcsh.enable = (val ? true : false);
3812
3813         if (of_property_read_u32(np, "rockchip,brightness", &val))
3814                 dev_drv->bcsh.brightness = 0xffff;
3815         else
3816                 dev_drv->bcsh.brightness = val;
3817
3818         if (of_property_read_u32(np, "rockchip,contrast", &val))
3819                 dev_drv->bcsh.contrast = 0xffff;
3820         else
3821                 dev_drv->bcsh.contrast = val;
3822
3823         if (of_property_read_u32(np, "rockchip,sat-con", &val))
3824                 dev_drv->bcsh.sat_con = 0xffff;
3825         else
3826                 dev_drv->bcsh.sat_con = val;
3827
3828         if (of_property_read_u32(np, "rockchip,hue", &val)) {
3829                 dev_drv->bcsh.sin_hue = 0xffff;
3830                 dev_drv->bcsh.cos_hue = 0xffff;
3831         } else {
3832                 dev_drv->bcsh.sin_hue = val & 0xff;
3833                 dev_drv->bcsh.cos_hue = (val >> 8) & 0xff;
3834         }
3835
3836 #if defined(CONFIG_ROCKCHIP_IOMMU)
3837         if (of_property_read_u32(np, "rockchip,iommu-enabled", &val))
3838                 dev_drv->iommu_enabled = 0;
3839         else
3840                 dev_drv->iommu_enabled = val;
3841 #else
3842         dev_drv->iommu_enabled = 0;
3843 #endif
3844         return 0;
3845 }
3846
3847 static int rk3288_lcdc_probe(struct platform_device *pdev)
3848 {
3849         struct lcdc_device *lcdc_dev = NULL;
3850         struct rk_lcdc_driver *dev_drv;
3851         struct device *dev = &pdev->dev;
3852         struct resource *res;
3853         struct device_node *np = pdev->dev.of_node;
3854         int prop;
3855         int ret = 0;
3856
3857         /*if the primary lcdc has not registered ,the extend
3858            lcdc register later */
3859         of_property_read_u32(np, "rockchip,prop", &prop);
3860         if (prop == EXTEND) {
3861                 if (!is_prmry_rk_lcdc_registered())
3862                         return -EPROBE_DEFER;
3863         }
3864         lcdc_dev = devm_kzalloc(dev,
3865                                 sizeof(struct lcdc_device), GFP_KERNEL);
3866         if (!lcdc_dev) {
3867                 dev_err(&pdev->dev, "rk3288 lcdc device kmalloc fail!");
3868                 return -ENOMEM;
3869         }
3870         platform_set_drvdata(pdev, lcdc_dev);
3871         lcdc_dev->dev = dev;
3872         rk3288_lcdc_parse_dt(lcdc_dev);
3873         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
3874         lcdc_dev->reg_phy_base = res->start;
3875         lcdc_dev->len = resource_size(res);
3876         lcdc_dev->regs = devm_ioremap_resource(dev, res);
3877         if (IS_ERR(lcdc_dev->regs))
3878                 return PTR_ERR(lcdc_dev->regs);
3879
3880         lcdc_dev->regsbak = devm_kzalloc(dev, lcdc_dev->len, GFP_KERNEL);
3881         if (IS_ERR(lcdc_dev->regsbak))
3882                 return PTR_ERR(lcdc_dev->regsbak);
3883         lcdc_dev->dsp_lut_addr_base = (lcdc_dev->regs + GAMMA_LUT_ADDR);
3884         lcdc_dev->id = rk3288_lcdc_get_id(lcdc_dev->reg_phy_base);
3885         if (lcdc_dev->id < 0) {
3886                 dev_err(&pdev->dev, "no such lcdc device!\n");
3887                 return -ENXIO;
3888         }
3889         dev_set_name(lcdc_dev->dev, "lcdc%d", lcdc_dev->id);
3890         dev_drv = &lcdc_dev->driver;
3891         dev_drv->dev = dev;
3892         dev_drv->prop = prop;
3893         dev_drv->id = lcdc_dev->id;
3894         dev_drv->ops = &lcdc_drv_ops;
3895         dev_drv->lcdc_win_num = ARRAY_SIZE(lcdc_win);
3896         spin_lock_init(&lcdc_dev->reg_lock);
3897
3898         lcdc_dev->irq = platform_get_irq(pdev, 0);
3899         if (lcdc_dev->irq < 0) {
3900                 dev_err(&pdev->dev, "cannot find IRQ for lcdc%d\n",
3901                         lcdc_dev->id);
3902                 return -ENXIO;
3903         }
3904
3905         ret = devm_request_irq(dev, lcdc_dev->irq, rk3288_lcdc_isr,
3906                                IRQF_DISABLED | IRQF_SHARED, dev_name(dev), lcdc_dev);
3907         if (ret) {
3908                 dev_err(&pdev->dev, "cannot requeset irq %d - err %d\n",
3909                         lcdc_dev->irq, ret);
3910                 return ret;
3911         }
3912
3913         if (dev_drv->iommu_enabled) {
3914                 if(lcdc_dev->id == 0){
3915                         strcpy(dev_drv->mmu_dts_name, VOPB_IOMMU_COMPATIBLE_NAME);
3916                 }else{
3917                         strcpy(dev_drv->mmu_dts_name, VOPL_IOMMU_COMPATIBLE_NAME);
3918                 }
3919         }
3920
3921         ret = rk_fb_register(dev_drv, lcdc_win, lcdc_dev->id);
3922         if (ret < 0) {
3923                 dev_err(dev, "register fb for lcdc%d failed!\n", lcdc_dev->id);
3924                 return ret;
3925         }
3926         lcdc_dev->screen = dev_drv->screen0;
3927         dev_info(dev, "lcdc%d probe ok, iommu %s\n",
3928                 lcdc_dev->id, dev_drv->iommu_enabled ? "enabled" : "disabled");
3929
3930         return 0;
3931 }
3932
3933 static int rk3288_lcdc_remove(struct platform_device *pdev)
3934 {
3935
3936         return 0;
3937 }
3938
3939 static void rk3288_lcdc_shutdown(struct platform_device *pdev)
3940 {
3941         struct lcdc_device *lcdc_dev = platform_get_drvdata(pdev);
3942
3943         rk3288_lcdc_deint(lcdc_dev);
3944         rk_disp_pwr_disable(&lcdc_dev->driver);
3945 }
3946
3947 #if defined(CONFIG_OF)
3948 static const struct of_device_id rk3288_lcdc_dt_ids[] = {
3949         {.compatible = "rockchip,rk3288-lcdc",},
3950         {}
3951 };
3952 #endif
3953
3954 static struct platform_driver rk3288_lcdc_driver = {
3955         .probe = rk3288_lcdc_probe,
3956         .remove = rk3288_lcdc_remove,
3957         .driver = {
3958                    .name = "rk3288-lcdc",
3959                    .owner = THIS_MODULE,
3960                    .of_match_table = of_match_ptr(rk3288_lcdc_dt_ids),
3961                    },
3962         .suspend = rk3288_lcdc_suspend,
3963         .resume = rk3288_lcdc_resume,
3964         .shutdown = rk3288_lcdc_shutdown,
3965 };
3966
3967 static int __init rk3288_lcdc_module_init(void)
3968 {
3969         return platform_driver_register(&rk3288_lcdc_driver);
3970 }
3971
3972 static void __exit rk3288_lcdc_module_exit(void)
3973 {
3974         platform_driver_unregister(&rk3288_lcdc_driver);
3975 }
3976
3977 fs_initcall(rk3288_lcdc_module_init);
3978 module_exit(rk3288_lcdc_module_exit);
3979
3980