drivers/video/rockchip/lcdc/rk3066b_lcdc.c

   1 /*
   2  * drivers/video/rockchip/chips/rk3066b_lcdc.c
   3  *
   4  * Copyright (C) 2012 ROCKCHIP, Inc.
   5  *Author:yzq<yzq@rock-chips.com>
   6  *      yxj<yxj@rock-chips.com>
   7  *This software is licensed under the terms of the GNU General Public
   8  * License version 2, as published by the Free Software Foundation, and
   9  * may be copied, distributed, and modified under those terms.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/kernel.h>
  20 #include <linux/errno.h>
  21 #include <linux/string.h>
  22 #include <linux/mm.h>
  23 #include <linux/slab.h>
  24 #include <linux/device.h>
  25 #include <linux/delay.h>
  26 #include <linux/init.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/clk.h>
  30 #include <linux/earlysuspend.h>
  31 #include <asm/div64.h>
  32 #include <asm/uaccess.h>
  33 #include <mach/iomux.h>
  34
  35 #include "rk3066b_lcdc.h"
  36
  37
  38
  39
  40
  41
  42 static int dbg_thresd = 0;
  43 module_param(dbg_thresd, int, S_IRUGO|S_IWUSR);
  44 #define DBG(level,x...) do { if(unlikely(dbg_thresd >= level)) printk(KERN_INFO x); } while (0)
  45
  46
  47 static int  rk3066b_lcdc_clk_enable(struct rk3066b_lcdc_device *lcdc_dev)
  48 {
  49
  50         clk_enable(lcdc_dev->hclk);
  51         clk_enable(lcdc_dev->dclk);
  52         clk_enable(lcdc_dev->aclk);
  53         clk_enable(lcdc_dev->pd);
  54
  55         spin_lock(&lcdc_dev->reg_lock);
  56         lcdc_dev->clk_on = 1;
  57         spin_unlock(&lcdc_dev->reg_lock);
  58         printk("rk3066b lcdc%d clk enable...\n",lcdc_dev->id);
  59
  60         return 0;
  61 }
  62
  63 static int rk3066b_lcdc_clk_disable(struct rk3066b_lcdc_device *lcdc_dev)
  64 {
  65         spin_lock(&lcdc_dev->reg_lock);
  66         lcdc_dev->clk_on = 0;
  67         spin_unlock(&lcdc_dev->reg_lock);
  68         mdelay(25);
  69         clk_disable(lcdc_dev->dclk);
  70         clk_disable(lcdc_dev->hclk);
  71         clk_disable(lcdc_dev->aclk);
  72         clk_disable(lcdc_dev->pd);
  73         printk("rk3066b lcdc%d clk disable...\n",lcdc_dev->id);
  74
  75         return 0;
  76 }
  77
  78 static int rk3066b_lcdc_reg_resume(struct rk3066b_lcdc_device *lcdc_dev)
  79 {
  80         memcpy((u8*)lcdc_dev->preg, (u8*)&lcdc_dev->regbak, 0x9C);
  81         return 0;
  82 }
  83
  84 static int init_rk3066b_lcdc(struct rk_lcdc_device_driver *dev_drv)
  85 {
  86         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
  87         int v;
  88
  89         if(lcdc_dev->id == 0) //lcdc0
  90         {
  91                 lcdc_dev->pd = clk_get(NULL,"pd_lcdc0");
  92                 lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc0");
  93                 lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc0");
  94                 lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc0");
  95         }
  96         else if(lcdc_dev->id == 1)
  97         {
  98                 lcdc_dev->pd = clk_get(NULL,"pd_lcdc1");
  99                 lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc1");
 100                 lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc1");
 101                 lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc1");
 102         }
 103         else
 104         {
 105                 printk(KERN_ERR "invalid lcdc device!\n");
 106                 return -EINVAL;
 107         }
 108         if (IS_ERR(lcdc_dev->pd) || (IS_ERR(lcdc_dev->aclk)) ||(IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk)))
 109         {
 110                 printk(KERN_ERR "failed to get lcdc%d clk source\n",lcdc_dev->id);
 111         }
 112
 113         rk3066b_lcdc_clk_enable(lcdc_dev);
 114
 115         if(lcdc_dev->id == 0)
 116         {
 117                 #if defined(CONFIG_RK3066B_LCDC0_IO_18V)
 118                 v = 0x40004000;               //bit14: 1,1.8v;0,3.3v
 119                 writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
 120                 #else
 121                 v = 0x40000000;
 122                 writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
 123                 #endif
 124         }
 125
 126         if(lcdc_dev->id == 1) //iomux for lcdc1
 127         {
 128                 #if defined(CONFIG_RK3066B_LCDC1_IO_18V)
 129                 v = 0x80008000;               //bit14: 1,1.8v;0,3.3v
 130                 writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
 131                 #else
 132                 v = 0x80000000;
 133                 writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
 134                 #endif
 135
 136                 iomux_set(LCDC1_DCLK);
 137                 iomux_set(LCDC1_DEN);
 138                 iomux_set(LCDC1_HSYNC);
 139                 iomux_set(LCDC1_VSYNC);
 140                 iomux_set(LCDC1_D0);
 141                 iomux_set(LCDC1_D1);
 142                 iomux_set(LCDC1_D2);
 143                 iomux_set(LCDC1_D3);
 144                 iomux_set(LCDC1_D4);
 145                 iomux_set(LCDC1_D5);
 146                 iomux_set(LCDC1_D6);
 147                 iomux_set(LCDC1_D7);
 148                 iomux_set(LCDC1_D8);
 149                 iomux_set(LCDC1_D9);
 150                 iomux_set(LCDC1_D10);
 151                 iomux_set(LCDC1_D11);
 152                 iomux_set(LCDC1_D12);
 153                 iomux_set(LCDC1_D13);
 154                 iomux_set(LCDC1_D14);
 155                 iomux_set(LCDC1_D15);
 156                 iomux_set(LCDC1_D16);
 157                 iomux_set(LCDC1_D17);
 158                 iomux_set(LCDC1_D18);
 159                 iomux_set(LCDC1_D19);
 160                 iomux_set(LCDC1_D20);
 161                 iomux_set(LCDC1_D21);
 162                 iomux_set(LCDC1_D22);
 163                 iomux_set(LCDC1_D23);
 164
 165         }
 166         LcdMskReg(lcdc_dev,SYS_CFG, m_LCDC_AXICLK_AUTO_ENABLE | m_W0_AXI_OUTSTANDING2 |
 167                 m_W1_AXI_OUTSTANDING2,v_LCDC_AXICLK_AUTO_ENABLE(1) | v_W0_AXI_OUTSTANDING2(1) |
 168                 v_W1_AXI_OUTSTANDING2(1));//eanble axi-clk auto gating for low power
 169          LcdWrReg(lcdc_dev,AXI_MS_ID,v_HWC_CHANNEL_ID(5) | v_WIN2_CHANNEL_ID(4) |
 170                 v_WIN1_YRGB_CHANNEL_ID(3) | v_WIN0_CBR_CHANNEL_ID(2) |
 171                 v_WIN0_YRGB_CHANNEL_ID(1));
 172         LcdMskReg(lcdc_dev, INT_STATUS,m_HOR_STARTMASK| m_FRM_STARTMASK |
 173               m_SCANNING_MASK, v_HOR_STARTMASK(1) | v_FRM_STARTMASK(1) |
 174               v_SCANNING_MASK(1));  //mask all interrupt in init
 175         LcdMskReg(lcdc_dev,FIFO_WATER_MARK,m_WIN1_FIFO_FULL_LEVEL,v_WIN1_FIFO_FULL_LEVEL(0x1e0));
 176         //LCDC_REG_CFG_DONE();  // write any value to  REG_CFG_DONE let config become effective
 177
 178         rk3066b_lcdc_clk_disable(lcdc_dev);
 179         return 0;
 180 }
 181
 182 static int rk3066b_lcdc_deinit(struct rk3066b_lcdc_device *lcdc_dev)
 183 {
 184         spin_lock(&lcdc_dev->reg_lock);
 185         if(likely(lcdc_dev->clk_on))
 186         {
 187                 lcdc_dev->clk_on = 0;
 188                 LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
 189                 LcdMskReg(lcdc_dev, INT_STATUS,m_HOR_STARTMASK| m_FRM_STARTMASK |
 190                           m_SCANNING_MASK, v_HOR_STARTMASK(1) | v_FRM_STARTMASK(1) |
 191                           v_SCANNING_MASK(1));  //mask all interrupt in init
 192                 LcdSetBit(lcdc_dev,SYS_CFG,m_LCDC_STANDBY);
 193                 LCDC_REG_CFG_DONE();
 194                 spin_unlock(&lcdc_dev->reg_lock);
 195         }
 196         else   //clk already disabled
 197         {
 198                 spin_unlock(&lcdc_dev->reg_lock);
 199                 return 0;
 200         }
 201         mdelay(1);
 202
 203         return 0;
 204 }
 205
 206 static int rk3066b_load_screen(struct rk_lcdc_device_driver *dev_drv, bool initscreen)
 207 {
 208         int ret = -EINVAL;
 209         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 210         rk_screen *screen = dev_drv->cur_screen;
 211         u64 ft;
 212         int fps;
 213         u16 face;
 214         u16 mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend;
 215         u16 right_margin = screen->right_margin;
 216         u16 lower_margin = screen->lower_margin;
 217         u16 x_res = screen->x_res, y_res = screen->y_res;
 218
 219         // set the rgb or mcu
 220         spin_lock(&lcdc_dev->reg_lock);
 221         if(likely(lcdc_dev->clk_on))
 222         {
 223                 if(screen->type==SCREEN_MCU)
 224                 {
 225                         LcdMskReg(lcdc_dev, MCU_CTRL, m_MCU_OUTPUT_SELECT,v_MCU_OUTPUT_SELECT(1));
 226                         // set out format and mcu timing
 227                         mcu_total  = (screen->mcu_wrperiod*150*1000)/1000000;
 228                         if(mcu_total>31)
 229                                 mcu_total = 31;
 230                         if(mcu_total<3)
 231                                 mcu_total = 3;
 232                         mcu_rwstart = (mcu_total+1)/4 - 1;
 233                         mcu_rwend = ((mcu_total+1)*3)/4 - 1;
 234                         mcu_csstart = (mcu_rwstart>2) ? (mcu_rwstart-3) : (0);
 235                         mcu_csend = (mcu_rwend>15) ? (mcu_rwend-1) : (mcu_rwend);
 236
 237                         //DBG(1,">> mcu_total=%d, mcu_rwstart=%d, mcu_csstart=%d, mcu_rwend=%d, mcu_csend=%d \n",
 238                         //      mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend);
 239
 240                         // set horizontal & vertical out timing
 241
 242                         right_margin = x_res/6;
 243                         screen->pixclock = 150000000; //mcu fix to 150 MHz
 244                         LcdMskReg(lcdc_dev, MCU_CTRL,m_MCU_CS_ST | m_MCU_CS_END| m_MCU_RW_ST | m_MCU_RW_END |
 245                                 m_MCU_WRITE_PERIOD | m_MCU_HOLDMODE_SELECT | m_MCU_HOLDMODE_FRAME_ST,
 246                                 v_MCU_CS_ST(mcu_csstart) | v_MCU_CS_END(mcu_csend) | v_MCU_RW_ST(mcu_rwstart) |
 247                                 v_MCU_RW_END(mcu_rwend) |  v_MCU_WRITE_PERIOD(mcu_total) |
 248                                 v_MCU_HOLDMODE_SELECT((SCREEN_MCU==screen->type)?(1):(0)) | v_MCU_HOLDMODE_FRAME_ST(0));
 249
 250                 }
 251
 252                 switch (screen->face)
 253                 {
 254                         case OUT_P565:
 255                                 face = OUT_P565;
 256                                 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0));
 257                                 break;
 258                         case OUT_P666:
 259                                 face = OUT_P666;
 260                                 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1));
 261                                 break;
 262                         case OUT_D888_P565:
 263                                 face = OUT_P888;
 264                                 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0));
 265                                 break;
 266                         case OUT_D888_P666:
 267                                 face = OUT_P888;
 268                                 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1));
 269                                 break;
 270                         case OUT_P888:
 271                                 face = OUT_P888;
 272                                 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_UP_EN, v_DITHER_UP_EN(1));
 273                                 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0));
 274                                 break;
 275                         default:
 276                                 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_UP_EN, v_DITHER_UP_EN(0));
 277                                 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0));
 278                                 face = screen->face;
 279                                 break;
 280                 }
 281
 282                 //use default overlay,set vsyn hsync den dclk polarity
 283                 LcdMskReg(lcdc_dev, DSP_CTRL0,m_DISPLAY_FORMAT | m_HSYNC_POLARITY | m_VSYNC_POLARITY |
 284                         m_DEN_POLARITY |m_DCLK_POLARITY,v_DISPLAY_FORMAT(face) |
 285                         v_HSYNC_POLARITY(screen->pin_hsync) | v_VSYNC_POLARITY(screen->pin_vsync) |
 286                         v_DEN_POLARITY(screen->pin_den) | v_DCLK_POLARITY(screen->pin_dclk));
 287
 288                 //set background color to black,set swap according to the screen panel,disable blank mode
 289                 LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE | m_BLACK_MODE | m_BG_COLOR, v_BLANK_MODE(0) |
 290                                         v_BLACK_MODE(0) | v_BG_COLOR(0x000000));
 291                 LcdMskReg(lcdc_dev,SWAP_CTRL,m_OUTPUT_RB_SWAP | m_OUTPUT_RG_SWAP | m_DELTA_SWAP | m_DUMMY_SWAP,
 292                                         v_OUTPUT_RB_SWAP(screen->swap_rb) | v_OUTPUT_RG_SWAP(screen->swap_rg) |
 293                                         v_DELTA_SWAP(screen->swap_delta) | v_DUMMY_SWAP(screen->swap_dumy));
 294                 LcdWrReg(lcdc_dev, DSP_HTOTAL_HS_END,v_HSYNC(screen->hsync_len) |
 295                      v_HORPRD(screen->hsync_len + screen->left_margin + x_res + right_margin));
 296                 LcdWrReg(lcdc_dev, DSP_HACT_ST_END, v_HAEP(screen->hsync_len + screen->left_margin + x_res) |
 297                      v_HASP(screen->hsync_len + screen->left_margin));
 298
 299                 LcdWrReg(lcdc_dev, DSP_VTOTAL_VS_END, v_VSYNC(screen->vsync_len) |
 300                       v_VERPRD(screen->vsync_len + screen->upper_margin + y_res + lower_margin));
 301                 LcdWrReg(lcdc_dev, DSP_VACT_ST_END,  v_VAEP(screen->vsync_len + screen->upper_margin+y_res)|
 302                       v_VASP(screen->vsync_len + screen->upper_margin));
 303                 // let above to take effect
 304                 //LCDC_REG_CFG_DONE();
 305         }
 306         spin_unlock(&lcdc_dev->reg_lock);
 307
 308         ret = clk_set_rate(lcdc_dev->dclk, screen->pixclock);
 309         if(ret)
 310         {
 311                 printk(KERN_ERR ">>>>>> set lcdc%d dclk failed\n",lcdc_dev->id);
 312         }
 313         lcdc_dev->driver.pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
 314
 315
 316         ft = (u64)(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
 317                 (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)*
 318                 (dev_drv->pixclock);       // one frame time ,(pico seconds)
 319         fps = div64_u64(1000000000000llu,ft);
 320         screen->ft = 1000/fps;
 321         printk("%s: dclk:%lu>>fps:%d ",lcdc_dev->driver.name,clk_get_rate(lcdc_dev->dclk),fps);
 322
 323         if(screen->init)
 324         {
 325                 screen->init();
 326         }
 327         if(screen->sscreen_set)
 328         {
 329                 screen->sscreen_set(screen,!initscreen);
 330         }
 331         printk("%s for lcdc%d ok!\n",__func__,lcdc_dev->id);
 332         return 0;
 333 }
 334
 335 static int mcu_refresh(struct rk3066b_lcdc_device *lcdc_dev)
 336 {
 337
 338     return 0;
 339 }
 340
 341
 342
 343 //enable layer,open:1,enable;0 disable
 344 static int win0_open(struct rk3066b_lcdc_device *lcdc_dev,bool open)
 345 {
 346
 347         spin_lock(&lcdc_dev->reg_lock);
 348         if(likely(lcdc_dev->clk_on))
 349         {
 350                 if(open)
 351                 {
 352                         if(!lcdc_dev->atv_layer_cnt)
 353                         {
 354                                 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
 355                         }
 356                         lcdc_dev->atv_layer_cnt++;
 357                 }
 358                 else
 359                 {
 360                         lcdc_dev->atv_layer_cnt--;
 361                 }
 362                 lcdc_dev->driver.layer_par[0]->state = open;
 363
 364                 LcdMskReg(lcdc_dev, SYS_CFG, m_W0_EN, v_W0_EN(open));
 365                 if(!lcdc_dev->atv_layer_cnt)  //if no layer used,disable lcdc
 366                 {
 367                         LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
 368                 }
 369                 //LCDC_REG_CFG_DONE();
 370         }
 371         spin_unlock(&lcdc_dev->reg_lock);
 372         printk(KERN_INFO "lcdc%d win0 %s\n",lcdc_dev->id,open?"open":"closed");
 373         return 0;
 374 }
 375 static int win1_open(struct rk3066b_lcdc_device *lcdc_dev,bool open)
 376 {
 377         spin_lock(&lcdc_dev->reg_lock);
 378         if(likely(lcdc_dev->clk_on))
 379         {
 380                 if(open)
 381                 {
 382                         if(!lcdc_dev->atv_layer_cnt)
 383                         {
 384                                 printk("lcdc%d wakeup from stanby\n",lcdc_dev->id);
 385                                 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
 386                         }
 387                         lcdc_dev->atv_layer_cnt++;
 388                 }
 389                 else
 390                 {
 391                         lcdc_dev->atv_layer_cnt--;
 392                 }
 393                 lcdc_dev->driver.layer_par[1]->state = open;
 394
 395                 LcdMskReg(lcdc_dev, SYS_CFG, m_W1_EN, v_W1_EN(open));
 396                 if(!lcdc_dev->atv_layer_cnt)  //if no layer used,disable lcdc
 397                 {
 398                         printk(KERN_INFO "no layer of lcdc%d is used,go to standby!",lcdc_dev->id);
 399                         LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
 400                 }
 401                 LCDC_REG_CFG_DONE();
 402         }
 403         spin_unlock(&lcdc_dev->reg_lock);
 404         printk(KERN_INFO "lcdc%d win1 %s\n",lcdc_dev->id,open?"open":"closed");
 405         return 0;
 406 }
 407
 408
 409 static int rk3066b_lcdc_blank(struct rk_lcdc_device_driver*lcdc_drv,int layer_id,int blank_mode)
 410 {
 411         struct rk3066b_lcdc_device * lcdc_dev = container_of(lcdc_drv,struct rk3066b_lcdc_device ,driver);
 412
 413         spin_lock(&lcdc_dev->reg_lock);
 414         if(likely(lcdc_dev->clk_on))
 415         {
 416                 switch(blank_mode)
 417                 {
 418                         case FB_BLANK_UNBLANK:
 419                                 LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(0));
 420                                 break;
 421                         case FB_BLANK_NORMAL:
 422                                 LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(1));
 423                                 break;
 424                         default:
 425                                 LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(1));
 426                                 break;
 427                 }
 428                 LCDC_REG_CFG_DONE();
 429                 printk(KERN_INFO "%s>>>>>%d\n",__func__, blank_mode);
 430         }
 431         spin_unlock(&lcdc_dev->reg_lock);
 432
 433         return 0;
 434 }
 435
 436 static  int win0_display(struct rk3066b_lcdc_device *lcdc_dev,struct layer_par *par )
 437 {
 438         u32 y_addr;
 439         u32 uv_addr;
 440         y_addr = par->smem_start + par->y_offset;
 441         uv_addr = par->cbr_start + par->c_offset;
 442         DBG(2,KERN_INFO "lcdc%d>>%s:y_addr:0x%x>>uv_addr:0x%x\n",lcdc_dev->id,__func__,y_addr,uv_addr);
 443
 444         spin_lock(&lcdc_dev->reg_lock);
 445         if(likely(lcdc_dev->clk_on))
 446         {
 447                 LcdWrReg(lcdc_dev, WIN0_YRGB_MST,y_addr);
 448                 LcdWrReg(lcdc_dev, WIN0_CBR_MST,uv_addr);
 449                 LCDC_REG_CFG_DONE();
 450         }
 451         spin_unlock(&lcdc_dev->reg_lock);
 452
 453         return 0;
 454
 455 }
 456
 457 static  int win1_display(struct rk3066b_lcdc_device *lcdc_dev,struct layer_par *par )
 458 {
 459         u32 y_addr;
 460         u32 uv_addr;
 461         y_addr = par->smem_start + par->y_offset;
 462         uv_addr = par->cbr_start + par->c_offset;
 463         DBG(2,KERN_INFO "lcdc%d>>%s>>y_addr:0x%x>>uv_addr:0x%x\n",lcdc_dev->id,__func__,y_addr,uv_addr);
 464
 465         spin_lock(&lcdc_dev->reg_lock);
 466         if(likely(lcdc_dev->clk_on))
 467         {
 468                 LcdWrReg(lcdc_dev, WIN1_YRGB_MST, y_addr);
 469                 LCDC_REG_CFG_DONE();
 470         }
 471         spin_unlock(&lcdc_dev->reg_lock);
 472
 473         return 0;
 474 }
 475
 476 static  int win0_set_par(struct rk3066b_lcdc_device *lcdc_dev,rk_screen *screen,
 477         struct layer_par *par )
 478 {
 479         u32 xact, yact, xvir, yvir, xpos, ypos;
 480         u32 ScaleYrgbX = 0x1000;
 481         u32 ScaleYrgbY = 0x1000;
 482         u32 ScaleCbrX = 0x1000;
 483         u32 ScaleCbrY = 0x1000;
 484         u8 fmt_cfg =0 ; //data format register config value
 485         char fmt[9] = "NULL";
 486         xact = par->xact;                           //active (origin) picture window width/height
 487         yact = par->yact;
 488         xvir = par->xvir;                          // virtual resolution
 489         yvir = par->yvir;
 490         xpos = par->xpos+screen->left_margin + screen->hsync_len;
 491         ypos = par->ypos+screen->upper_margin + screen->vsync_len;
 492
 493         DBG(1,"%s for lcdc%d>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
 494                 __func__,lcdc_dev->id,get_format_string(par->format,fmt),xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);
 495
 496         ScaleYrgbX = CalScale(xact, par->xsize); //both RGB and yuv need this two factor
 497         ScaleYrgbY = CalScale(yact, par->ysize);
 498         switch (par->format)
 499         {
 500                 case XBGR888:
 501                 case ABGR888:
 502                 case ARGB888:
 503                         fmt_cfg = 0;
 504                         break;
 505                 case RGB565:
 506                         fmt_cfg = 1;
 507                         break;
 508                 case YUV422:// yuv422
 509                         fmt_cfg = 2;
 510                         ScaleCbrX = CalScale((xact/2), par->xsize);
 511                         ScaleCbrY = CalScale(yact, par->ysize);
 512                         break;
 513                 case YUV420: // yuv420
 514                         fmt_cfg = 3;
 515                         ScaleCbrX = CalScale(xact/2, par->xsize);
 516                         ScaleCbrY = CalScale(yact/2, par->ysize);
 517                         break;
 518                 case YUV444:// yuv444
 519                         fmt_cfg = 4;
 520                         ScaleCbrX = CalScale(xact, par->xsize);
 521                         ScaleCbrY = CalScale(yact, par->ysize);
 522                         break;
 523                 default:
 524                         printk("%s:un supported format\n",__func__);
 525                    break;
 526         }
 527
 528
 529         spin_lock(&lcdc_dev->reg_lock);
 530         if(likely(lcdc_dev->clk_on))
 531         {
 532                 LcdWrReg(lcdc_dev, WIN0_SCL_FACTOR_YRGB, v_X_SCL_FACTOR(ScaleYrgbX) | v_Y_SCL_FACTOR(ScaleYrgbY));
 533                 LcdWrReg(lcdc_dev, WIN0_SCL_FACTOR_CBR,v_X_SCL_FACTOR(ScaleCbrX)| v_Y_SCL_FACTOR(ScaleCbrY));
 534                 LcdMskReg(lcdc_dev,SYS_CFG, m_W0_FORMAT, v_W0_FORMAT(fmt_cfg));         //(inf->video_mode==0)
 535                 LcdWrReg(lcdc_dev, WIN0_ACT_INFO,v_ACT_WIDTH(xact) | v_ACT_HEIGHT(yact));
 536                 LcdWrReg(lcdc_dev, WIN0_DSP_ST, v_DSP_STX(xpos) | v_DSP_STY(ypos));
 537                 LcdWrReg(lcdc_dev, WIN0_DSP_INFO, v_DSP_WIDTH(par->xsize)| v_DSP_HEIGHT(par->ysize));
 538                 LcdMskReg(lcdc_dev, WIN0_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,
 539                         v_COLORKEY_EN(0) | v_KEYCOLOR(0));
 540                 LcdWrReg(lcdc_dev,WIN0_VIR,v_VIRWIDTH(xvir));
 541                 //LCDC_REG_CFG_DONE();
 542         }
 543         spin_unlock(&lcdc_dev->reg_lock);
 544
 545     return 0;
 546
 547 }
 548
 549 static int win1_set_par(struct rk3066b_lcdc_device *lcdc_dev,rk_screen *screen,
 550         struct layer_par *par )
 551 {
 552         u32 xact, yact, xvir, yvir, xpos, ypos;
 553         u8 fmt_cfg;
 554         char fmt[9]="NULL";
 555         xact = par->xact;
 556         yact = par->yact;
 557         xvir = par->xvir;
 558         yvir = par->yvir;
 559         xpos = par->xpos+screen->left_margin + screen->hsync_len;
 560         ypos = par->ypos+screen->upper_margin + screen->vsync_len;
 561
 562
 563         DBG(1,"%s for lcdc%d>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
 564                 __func__,lcdc_dev->id,get_format_string(par->format,fmt),xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);
 565
 566
 567         spin_lock(&lcdc_dev->reg_lock);
 568         if(likely(lcdc_dev->clk_on))
 569         {
 570                 switch (par->format)
 571                 {
 572                         case XBGR888:
 573                         case ABGR888:
 574                         case ARGB888:
 575                                 fmt_cfg = 0;
 576                                 break;
 577                         case RGB565:
 578                                 fmt_cfg = 1;
 579                                 break;
 580                         default:
 581                                 printk("%s:un supported format\n",__func__);
 582                                 break;
 583                 }
 584
 585                 LcdMskReg(lcdc_dev,SYS_CFG, m_W1_FORMAT, v_W1_FORMAT(fmt_cfg));
 586                 LcdWrReg(lcdc_dev, WIN1_DSP_ST,v_DSP_STX(xpos) | v_DSP_STY(ypos));
 587                 LcdWrReg(lcdc_dev, WIN1_DSP_INFO,v_DSP_WIDTH(par->xsize) | v_DSP_HEIGHT(par->ysize));
 588                 // enable win1 color key and set the color to black(rgb=0)
 589                 LcdMskReg(lcdc_dev,WIN1_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,v_COLORKEY_EN(1) | v_KEYCOLOR(0));
 590                 LcdWrReg(lcdc_dev,WIN1_VIR,v_VIRWIDTH(xvir));
 591
 592                 //LCDC_REG_CFG_DONE();
 593         }
 594         spin_unlock(&lcdc_dev->reg_lock);
 595     return 0;
 596 }
 597
 598 static int rk3066b_lcdc_open(struct rk_lcdc_device_driver *dev_drv,int layer_id,bool open)
 599 {
 600         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 601
 602         if((open) && (!lcdc_dev->atv_layer_cnt)) //enable clk,when first layer open
 603         {
 604                 rk3066b_lcdc_clk_enable(lcdc_dev);
 605                 rk3066b_lcdc_reg_resume(lcdc_dev); //resume reg
 606                 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
 607                 rk3066b_load_screen(dev_drv,1);
 608         }
 609         if(layer_id == 0)
 610         {
 611                 win0_open(lcdc_dev,open);
 612         }
 613         else if(layer_id == 1)
 614         {
 615                 win1_open(lcdc_dev,open);
 616         }
 617
 618         if((!open) && (!lcdc_dev->atv_layer_cnt))  //when all layer closed,disable clk
 619         {
 620                 LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
 621                 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
 622                 LCDC_REG_CFG_DONE();
 623                 rk3066b_lcdc_clk_disable(lcdc_dev);
 624         }
 625         return 0;
 626 }
 627
 628 static int rk3066b_lcdc_set_par(struct rk_lcdc_device_driver *dev_drv,int layer_id)
 629 {
 630         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 631         struct layer_par *par = NULL;
 632         rk_screen *screen = dev_drv->cur_screen;
 633         if(!screen)
 634         {
 635                 printk(KERN_ERR "screen is null!\n");
 636                 return -ENOENT;
 637         }
 638         if(layer_id==0)
 639         {
 640                 par = dev_drv->layer_par[0];
 641                 win0_set_par(lcdc_dev,screen,par);
 642         }
 643         else if(layer_id==1)
 644         {
 645                 par = dev_drv->layer_par[1];
 646                 win1_set_par(lcdc_dev,screen,par);
 647         }
 648
 649         return 0;
 650 }
 651
 652 int rk3066b_lcdc_pan_display(struct rk_lcdc_device_driver * dev_drv,int layer_id)
 653 {
 654         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 655         struct layer_par *par = NULL;
 656         rk_screen *screen = dev_drv->cur_screen;
 657         unsigned long flags;
 658         int timeout;
 659         if(!screen)
 660         {
 661                 printk(KERN_ERR "screen is null!\n");
 662                 return -ENOENT;
 663         }
 664         if(layer_id==0)
 665         {
 666                 par = dev_drv->layer_par[0];
 667                 win0_display(lcdc_dev,par);
 668         }
 669         else if(layer_id==1)
 670         {
 671                 par = dev_drv->layer_par[1];
 672                 win1_display(lcdc_dev,par);
 673         }
 674         if((dev_drv->first_frame))  //this is the first frame of the system ,enable frame start interrupt
 675         {
 676                 dev_drv->first_frame = 0;
 677                 LcdMskReg(lcdc_dev,INT_STATUS,m_FRM_STARTCLEAR | m_FRM_STARTMASK ,
 678                           v_FRM_STARTCLEAR(1) | v_FRM_STARTMASK(0));
 679                 LCDC_REG_CFG_DONE();  // write any value to  REG_CFG_DONE let config become effective
 680
 681         }
 682
 683 #if 0
 684         if(dev_drv->num_buf < 3) //3buffer ,no need to  wait for sysn
 685         {
 686                 spin_lock_irqsave(&dev_drv->cpl_lock,flags);
 687                 init_completion(&dev_drv->frame_done);
 688                 spin_unlock_irqrestore(&dev_drv->cpl_lock,flags);
 689                 timeout = wait_for_completion_timeout(&dev_drv->frame_done,msecs_to_jiffies(dev_drv->cur_screen->ft+5));
 690                 if(!timeout&&(!dev_drv->frame_done.done))
 691                 {
 692                         printk(KERN_ERR "wait for new frame start time out!\n");
 693                         return -ETIMEDOUT;
 694                 }
 695         }
 696 #endif
 697
 698         return 0;
 699 }
 700
 701 int rk3066b_lcdc_ioctl(struct rk_lcdc_device_driver * dev_drv,unsigned int cmd, unsigned long arg,int layer_id)
 702 {
 703         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 704         u32 panel_size[2];
 705         void __user *argp = (void __user *)arg;
 706         int ret = 0;
 707         switch(cmd)
 708         {
 709                 case RK_FBIOGET_PANEL_SIZE:    //get panel size
 710                         panel_size[0] = lcdc_dev->screen->x_res;
 711                         panel_size[1] = lcdc_dev->screen->y_res;
 712                         if(copy_to_user(argp, panel_size, 8))
 713                                 return -EFAULT;
 714                         break;
 715                 default:
 716                         break;
 717         }
 718
 719         return ret;
 720 }
 721 static int rk3066b_lcdc_get_layer_state(struct rk_lcdc_device_driver *dev_drv,int layer_id)
 722 {
 723         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 724         struct layer_par *par = dev_drv->layer_par[layer_id];
 725
 726         spin_lock(&lcdc_dev->reg_lock);
 727         if(lcdc_dev->clk_on)
 728         {
 729                 if(layer_id == 0)
 730                 {
 731                         par->state = LcdReadBit(lcdc_dev,SYS_CFG,m_W0_EN);
 732                 }
 733                 else if( layer_id == 1)
 734                 {
 735                         par->state = LcdReadBit(lcdc_dev,SYS_CFG,m_W1_EN);
 736                 }
 737         }
 738         spin_unlock(&lcdc_dev->reg_lock);
 739
 740         return par->state;
 741
 742 }
 743
 744 /***********************************
 745 overlay manager
 746 swap:1 win0 on the top of win1
 747         0 win1 on the top of win0
 748 set  : 1 set overlay
 749         0 get overlay state
 750 ************************************/
 751 static int rk3066b_lcdc_ovl_mgr(struct rk_lcdc_device_driver *dev_drv,int swap,bool set)
 752 {
 753         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 754         int ovl;
 755         spin_lock(&lcdc_dev->reg_lock);
 756         if(lcdc_dev->clk_on)
 757         {
 758                 if(set)  //set overlay
 759                 {
 760                         LcdMskReg(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP,v_W0W1_POSITION_SWAP(swap));
 761                         LcdWrReg(lcdc_dev, REG_CFG_DONE, 0x01);
 762                         LCDC_REG_CFG_DONE();
 763                         ovl = swap;
 764                 }
 765                 else  //get overlay
 766                 {
 767                         ovl = LcdReadBit(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP);
 768                 }
 769         }
 770         else
 771         {
 772                 ovl = -EPERM;
 773         }
 774         spin_unlock(&lcdc_dev->reg_lock);
 775
 776         return ovl;
 777 }
 778
 779 static ssize_t rk3066b_lcdc_get_disp_info(struct rk_lcdc_device_driver *dev_drv,char *buf,int layer_id)
 780
 781 {
 782         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 783         char format_w0[9]= "NULL";
 784         char format_w1[9]= "NULL";
 785         char status_w0[9]= "NULL";
 786         char status_w1[9]= "NULL";
 787         u32 fmt_id = LcdRdReg(lcdc_dev,SYS_CFG);
 788         u32 act_info,dsp_info,dsp_st,factor;
 789         u16 xvir_w0,x_act_w0,y_act_w0,x_dsp_w0,y_dsp_w0,x_st_w0,y_st_w0;
 790         u16 xvir_w1,x_dsp_w1,y_dsp_w1,x_st_w1,y_st_w1;
 791         u16 x_scale,y_scale;
 792         int ovl = LcdReadBit(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP);
 793
 794         switch((fmt_id&m_W0_FORMAT)>>3)
 795         {
 796                 case 0:
 797                         strcpy(format_w0,"ARGB888");
 798                         break;
 799                 case 1:
 800                         strcpy(format_w0,"RGB565");
 801                         break;
 802                 case 2:
 803                         strcpy(format_w0,"YCbCr422");
 804                         break;
 805                 case 3:
 806                         strcpy(format_w0,"YCbCr420");
 807                         break;
 808                 case 5:
 809                         strcpy(format_w0,"YCbCr444");
 810                         break;
 811                 default:
 812                         strcpy(format_w0,"invalid\n");
 813                         break;
 814         }
 815
 816          switch((fmt_id&m_W1_FORMAT)>>2)
 817         {
 818                 case 0:
 819                         strcpy(format_w1,"ARGB888");
 820                         break;
 821                 case 1:
 822                         strcpy(format_w1,"RGB565");
 823                         break;
 824                 default:
 825                         strcpy(format_w1,"invalid\n");
 826                         break;
 827         }
 828
 829         if((fmt_id&m_W0_EN)>>11)
 830         {
 831                 strcpy(status_w0,"enabled");
 832         }
 833         else
 834         {
 835                 strcpy(status_w0,"disabled");
 836         }
 837
 838         if((fmt_id&m_W1_EN)>>10)
 839         {
 840                 strcpy(status_w1,"enabled");
 841         }
 842         else
 843         {
 844                 strcpy(status_w1,"disabled");
 845         }
 846
 847         xvir_w0 = LcdRdReg(lcdc_dev,WIN0_VIR)&0xffff;
 848         act_info = LcdRdReg(lcdc_dev,WIN0_ACT_INFO);
 849         dsp_info = LcdRdReg(lcdc_dev,WIN0_DSP_INFO);
 850         dsp_st = LcdRdReg(lcdc_dev,WIN0_DSP_ST);
 851         factor = LcdRdReg(lcdc_dev,WIN0_SCL_FACTOR_YRGB);
 852         x_act_w0 =  (act_info&0xffff);
 853         y_act_w0 = (act_info>>16);
 854         x_dsp_w0 = (dsp_info&0x7ff);
 855         y_dsp_w0 = (dsp_info>>16);
 856         x_scale = 4096*100/(factor&0xffff);
 857         y_scale = 4096*100/(factor>>16);
 858         x_st_w0 = dsp_st&0xffff;
 859         y_st_w0 = dsp_st>>16;
 860
 861
 862         xvir_w1 = LcdRdReg(lcdc_dev,WIN1_VIR)&0xffff;
 863         dsp_info = LcdRdReg(lcdc_dev,WIN1_DSP_INFO);
 864         dsp_st = LcdRdReg(lcdc_dev,WIN1_DSP_ST);
 865         x_dsp_w1 = dsp_info&0x7ff;
 866         y_dsp_w1 = dsp_info>>16;
 867         x_st_w1 = dsp_st&0xffff;
 868         y_st_w1 = dsp_st>>16;
 869
 870         return snprintf(buf,PAGE_SIZE,
 871                 "win0:%s\n"
 872                 "xvir:%d\n"
 873                 "xact:%d\n"
 874                 "yact:%d\n"
 875                 "xdsp:%d\n"
 876                 "ydsp:%d\n"
 877                 "x_st:%d\n"
 878                 "y_st:%d\n"
 879                 "x_scale:%d.%d\n"
 880                 "y_scale:%d.%d\n"
 881                 "format:%s\n"
 882                 "YRGB buffer addr:0x%08x\n"
 883                 "CBR buffer addr:0x%08x\n\n"
 884                 "win1:%s\n"
 885                 "xvir:%d\n"
 886                 "xdsp:%d\n"
 887                 "ydsp:%d\n"
 888                 "x_st:%d\n"
 889                 "y_st:%d\n"
 890                 "format:%s\n"
 891                 "YRGB buffer addr:0x%08x\n"
 892                 "overlay:%s\n",
 893                 status_w0,
 894                 xvir_w0,
 895                 x_act_w0,
 896                 y_act_w0,
 897                 x_dsp_w0,
 898                 y_dsp_w0,
 899                 x_st_w0,
 900                 y_st_w0,
 901                 x_scale/100,
 902                 x_scale%100,
 903                 y_scale/100,
 904                 y_scale%100,
 905                 format_w0,
 906                 LcdRdReg(lcdc_dev,WIN0_YRGB_MST),
 907                 LcdRdReg(lcdc_dev,WIN0_CBR_MST),
 908                 status_w1,
 909                 xvir_w1,
 910                 x_dsp_w1,
 911                 y_dsp_w1,
 912                 x_st_w1,
 913                 y_st_w1,
 914                 format_w1,
 915                 LcdRdReg(lcdc_dev,WIN1_YRGB_MST),
 916                 ovl ? "win0 on the top of win1\n":"win1 on the top of win0\n");
 917         return 0;
 918 }
 919
 920
 921 /*******************************************
 922 lcdc fps manager,set or get lcdc fps
 923 set:0 get
 924      1 set
 925 ********************************************/
 926 static int rk3066b_lcdc_fps_mgr(struct rk_lcdc_device_driver *dev_drv,int fps,bool set)
 927 {
 928         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
 929         rk_screen * screen = dev_drv->cur_screen;
 930         u64 ft = 0;
 931         u32 dotclk;
 932         int ret;
 933
 934         if(set)
 935         {
 936                 ft = div_u64(1000000000000llu,fps);
 937                 dev_drv->pixclock = div_u64(ft,(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
 938                                 (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len));
 939                 dotclk = div_u64(1000000000000llu,dev_drv->pixclock);
 940                 ret = clk_set_rate(lcdc_dev->dclk, dotclk);
 941                 if(ret)
 942                 {
 943                         printk(KERN_ERR ">>>>>> set lcdc%d dclk failed\n",lcdc_dev->id);
 944                 }
 945                 dev_drv->pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
 946
 947         }
 948
 949         ft = (u64)(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
 950         (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)*
 951         (dev_drv->pixclock);       // one frame time ,(pico seconds)
 952         fps = div64_u64(1000000000000llu,ft);
 953         screen->ft = 1000/fps ;  //one frame time in ms
 954         return fps;
 955 }
 956
 957 static int rk3066b_fb_layer_remap(struct rk_lcdc_device_driver *dev_drv,
 958         enum fb_win_map_order order)
 959 {
 960         mutex_lock(&dev_drv->fb_win_id_mutex);
 961         if(order == FB_DEFAULT_ORDER)
 962         {
 963                 order = FB0_WIN0_FB1_WIN1_FB2_WIN2;
 964         }
 965         dev_drv->fb2_win_id  = order/100;
 966         dev_drv->fb1_win_id = (order/10)%10;
 967         dev_drv->fb0_win_id = order%10;
 968         mutex_unlock(&dev_drv->fb_win_id_mutex);
 969
 970         printk("fb0:win%d\nfb1:win%d\nfb2:win%d\n",dev_drv->fb0_win_id,dev_drv->fb1_win_id,
 971                 dev_drv->fb2_win_id);
 972
 973         return 0;
 974 }
 975
 976 static int rk3066b_fb_get_layer(struct rk_lcdc_device_driver *dev_drv,const char *id)
 977 {
 978         int layer_id = 0;
 979         mutex_lock(&dev_drv->fb_win_id_mutex);
 980         if(!strcmp(id,"fb0") || !strcmp(id,"fb2"))
 981         {
 982                 layer_id = dev_drv->fb0_win_id;
 983         }
 984         else if(!strcmp(id,"fb1") || !strcmp(id,"fb3"))
 985         {
 986                 layer_id = dev_drv->fb1_win_id;
 987         }
 988         else
 989         {
 990                 printk(KERN_ERR "%s>>un supported %s\n",__func__,id);
 991                 layer_id = -1;
 992         }
 993         mutex_unlock(&dev_drv->fb_win_id_mutex);
 994
 995         return  layer_id;
 996 }
 997
 998
 999 static void rk3066b_lcdc_reg_dump(struct rk3066b_lcdc_device *lcdc_dev)
1000 {
1001         int *cbase =  (int *)lcdc_dev->reg_vir_base;
1002         int i,j;
1003
1004         for(i=0; i<=(0xa0>>4);i++)
1005         {
1006                 for(j=0;j<4;j++)
1007                         printk("%08x  ",readl(cbase+i*4 +j));
1008                 printk("\n");
1009         }
1010
1011 }
1012
1013 int rk3066b_lcdc_early_suspend(struct rk_lcdc_device_driver *dev_drv)
1014 {
1015         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
1016
1017         if(dev_drv->screen0->standby)
1018                 dev_drv->screen0->standby(1);
1019         if(dev_drv->screen_ctr_info->io_disable)
1020                 dev_drv->screen_ctr_info->io_disable();
1021
1022         spin_lock(&lcdc_dev->reg_lock);
1023         if(likely(lcdc_dev->clk_on))
1024         {
1025                 lcdc_dev->clk_on = 0;
1026                 LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
1027                 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
1028                 LCDC_REG_CFG_DONE();
1029                 spin_unlock(&lcdc_dev->reg_lock);
1030         }
1031         else  //clk already disabled
1032         {
1033                 spin_unlock(&lcdc_dev->reg_lock);
1034                 return 0;
1035         }
1036
1037
1038         mdelay(30);
1039         clk_disable(lcdc_dev->dclk);
1040         clk_disable(lcdc_dev->hclk);
1041         clk_disable(lcdc_dev->aclk);
1042         clk_disable(lcdc_dev->pd);
1043
1044         return 0;
1045 }
1046
1047
1048 int rk3066b_lcdc_early_resume(struct rk_lcdc_device_driver *dev_drv)
1049 {
1050         struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
1051
1052         if(dev_drv->screen_ctr_info->io_enable)                 //power on
1053                 dev_drv->screen_ctr_info->io_enable();
1054
1055         if(!lcdc_dev->clk_on)
1056         {
1057                 clk_enable(lcdc_dev->pd);
1058                 clk_enable(lcdc_dev->hclk);
1059                 clk_enable(lcdc_dev->dclk);
1060                 clk_enable(lcdc_dev->aclk);
1061         }
1062         mdelay(5);
1063         memcpy((u8*)lcdc_dev->preg, (u8*)&lcdc_dev->regbak, 0x24);  //resume reg ,skip INT_STATUS reg
1064         memcpy(((u8*)lcdc_dev->preg) + 0x28,((u8*)&lcdc_dev->regbak) + 0x28, 0x74);
1065
1066         spin_lock(&lcdc_dev->reg_lock);
1067         if(lcdc_dev->atv_layer_cnt)
1068         {
1069                 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
1070                 LcdMskReg(lcdc_dev, INT_STATUS, m_SCANNING_CLEAR | m_FRM_STARTCLEAR | m_HOR_STARTCLEAR |
1071                                         m_SCANNING_MASK | m_HOR_STARTMASK | m_FRM_STARTMASK ,
1072                                         v_SCANNING_CLEAR(1) | v_FRM_STARTCLEAR(1) | v_HOR_STARTCLEAR(1) |
1073                                         v_SCANNING_MASK(1) | v_FRM_STARTMASK(0) | v_HOR_STARTMASK(1));
1074                 LCDC_REG_CFG_DONE();
1075         }
1076         lcdc_dev->clk_on = 1;
1077         spin_unlock(&lcdc_dev->reg_lock);
1078
1079         if(!lcdc_dev->atv_layer_cnt)
1080                 rk3066b_lcdc_clk_disable(lcdc_dev);
1081
1082         if(dev_drv->screen0->standby)
1083                 dev_drv->screen0->standby(0);         //screen wake up
1084
1085         return 0;
1086 }
1087 static irqreturn_t rk3066b_lcdc_isr(int irq, void *dev_id)
1088 {
1089         struct rk3066b_lcdc_device *lcdc_dev = (struct rk3066b_lcdc_device *)dev_id;
1090         ktime_t timestamp = ktime_get();
1091
1092         LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
1093
1094         //LcdMskReg(lcdc_dev, INT_STATUS, m_LINE_FLAG_INT_CLEAR, v_LINE_FLAG_INT_CLEAR(1));
1095
1096 #if 0
1097         if(lcdc_dev->driver.num_buf < 3)  //three buffer ,no need to wait for sync
1098         {
1099                 spin_lock(&(lcdc_dev->driver.cpl_lock));
1100                 complete(&(lcdc_dev->driver.frame_done));
1101                 spin_unlock(&(lcdc_dev->driver.cpl_lock));
1102         }
1103 #endif
1104
1105         lcdc_dev->driver.vsync_info.timestamp = timestamp;
1106         wake_up_interruptible_all(&lcdc_dev->driver.vsync_info.wait);
1107
1108         return IRQ_HANDLED;
1109 }
1110
1111 static struct layer_par lcdc_layer[] = {
1112         [0] = {
1113                 .name           = "win0",
1114                 .id             = 0,
1115                 .support_3d     = true,
1116         },
1117         [1] = {
1118                 .name           = "win1",
1119                 .id             = 1,
1120                 .support_3d     = false,
1121         },
1122 };
1123
1124 static struct rk_lcdc_device_driver lcdc_driver = {
1125         .name                   = "lcdc",
1126         .def_layer_par          = lcdc_layer,
1127         .num_layer              = ARRAY_SIZE(lcdc_layer),
1128         .open                   = rk3066b_lcdc_open,
1129         .init_lcdc              = init_rk3066b_lcdc,
1130         .ioctl                  = rk3066b_lcdc_ioctl,
1131         .suspend                = rk3066b_lcdc_early_suspend,
1132         .resume                 = rk3066b_lcdc_early_resume,
1133         .set_par                = rk3066b_lcdc_set_par,
1134         .blank                  = rk3066b_lcdc_blank,
1135         .pan_display            = rk3066b_lcdc_pan_display,
1136         .load_screen            = rk3066b_load_screen,
1137         .get_layer_state        = rk3066b_lcdc_get_layer_state,
1138         .ovl_mgr                = rk3066b_lcdc_ovl_mgr,
1139         .get_disp_info          = rk3066b_lcdc_get_disp_info,
1140         .fps_mgr                = rk3066b_lcdc_fps_mgr,
1141         .fb_get_layer           = rk3066b_fb_get_layer,
1142         .fb_layer_remap         = rk3066b_fb_layer_remap,
1143 };
1144 #ifdef CONFIG_PM
1145 static int rk3066b_lcdc_suspend(struct platform_device *pdev, pm_message_t state)
1146 {
1147         return 0;
1148 }
1149
1150 static int rk3066b_lcdc_resume(struct platform_device *pdev)
1151 {
1152         return 0;
1153 }
1154
1155 #else
1156 #define rk3066b_lcdc_suspend NULL
1157 #define rk3066b_lcdc_resume NULL
1158 #endif
1159
1160 static int __devinit rk3066b_lcdc_probe (struct platform_device *pdev)
1161 {
1162         struct rk3066b_lcdc_device *lcdc_dev=NULL;
1163         rk_screen *screen;
1164         rk_screen *screen1;
1165         struct rk29fb_info *screen_ctr_info;
1166         struct resource *res = NULL;
1167         struct resource *mem;
1168         int ret = 0;
1169
1170         /*************Malloc rk3066blcdc_inf and set it to pdev for drvdata**********/
1171         lcdc_dev = kzalloc(sizeof(struct rk3066b_lcdc_device), GFP_KERNEL);
1172         if(!lcdc_dev)
1173         {
1174                 dev_err(&pdev->dev, ">>rk3066b lcdc device kmalloc fail!");
1175                 return -ENOMEM;
1176         }
1177         platform_set_drvdata(pdev, lcdc_dev);
1178         lcdc_dev->id = pdev->id;
1179         screen_ctr_info = (struct rk29fb_info * )pdev->dev.platform_data;
1180         screen =  kzalloc(sizeof(rk_screen), GFP_KERNEL);
1181         if(!screen)
1182         {
1183                 dev_err(&pdev->dev, ">>rk3066b lcdc screen kmalloc fail!");
1184                 ret =  -ENOMEM;
1185                 goto err0;
1186         }
1187         else
1188         {
1189                 lcdc_dev->screen = screen;
1190         }
1191         screen->lcdc_id = lcdc_dev->id;
1192         screen->screen_id = 0;
1193
1194 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)&& (defined(CONFIG_RK610_LVDS) || defined(CONFIG_RK616_LVDS))
1195         screen1 =  kzalloc(sizeof(rk_screen), GFP_KERNEL);
1196         if(!screen1)
1197         {
1198                 dev_err(&pdev->dev, ">>rk3066b lcdc screen1 kmalloc fail!");
1199                 ret =  -ENOMEM;
1200                 goto err0;
1201         }
1202         screen1->lcdc_id = 1;
1203         screen1->screen_id = 1;
1204         printk("use lcdc%d and rk610 implemention dual display!\n",lcdc_dev->id);
1205
1206 #endif
1207         /****************get lcdc0 reg  *************************/
1208         res = platform_get_resource(pdev, IORESOURCE_MEM,0);
1209         if (res == NULL)
1210         {
1211                 dev_err(&pdev->dev, "failed to get io resource for lcdc%d \n",lcdc_dev->id);
1212                 ret = -ENOENT;
1213                 goto err1;
1214         }
1215         lcdc_dev->reg_phy_base = res->start;
1216         lcdc_dev->len = resource_size(res);
1217         mem = request_mem_region(lcdc_dev->reg_phy_base, resource_size(res), pdev->name);
1218         if (mem == NULL)
1219         {
1220                 dev_err(&pdev->dev, "failed to request mem region for lcdc%d\n",lcdc_dev->id);
1221                 ret = -ENOENT;
1222                 goto err1;
1223         }
1224         lcdc_dev->reg_vir_base = ioremap(lcdc_dev->reg_phy_base,  resource_size(res));
1225         if (lcdc_dev->reg_vir_base == NULL)
1226         {
1227                 dev_err(&pdev->dev, "cannot map IO\n");
1228                 ret = -ENXIO;
1229                 goto err2;
1230         }
1231
1232         lcdc_dev->preg = (LCDC_REG*)lcdc_dev->reg_vir_base;
1233         printk("lcdc%d:reg_phy_base = 0x%08x,reg_vir_base:0x%p\n",pdev->id,lcdc_dev->reg_phy_base, lcdc_dev->preg);
1234         lcdc_dev->driver.dev=&pdev->dev;
1235         lcdc_dev->driver.screen0 = screen;
1236 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)&& (defined(CONFIG_RK610_LVDS) || defined(CONFIG_RK616_LVDS))
1237         lcdc_dev->driver.screen1 = screen1;
1238 #endif
1239         lcdc_dev->driver.cur_screen = screen;
1240         lcdc_dev->driver.screen_ctr_info = screen_ctr_info;
1241         spin_lock_init(&lcdc_dev->reg_lock);
1242         lcdc_dev->irq = platform_get_irq(pdev, 0);
1243         if(lcdc_dev->irq < 0)
1244         {
1245                 dev_err(&pdev->dev, "cannot find IRQ\n");
1246                 goto err3;
1247         }
1248         ret = request_irq(lcdc_dev->irq, rk3066b_lcdc_isr, IRQF_DISABLED,dev_name(&pdev->dev),lcdc_dev);
1249         if (ret)
1250         {
1251                dev_err(&pdev->dev, "cannot requeset irq %d - err %d\n", lcdc_dev->irq, ret);
1252                ret = -EBUSY;
1253                goto err3;
1254         }
1255
1256         if(screen_ctr_info->set_screen_info)
1257         {
1258                 screen_ctr_info->set_screen_info(screen,screen_ctr_info->lcd_info);
1259                 if(SCREEN_NULL==screen->type)
1260                 {
1261                         printk(KERN_WARNING "no display device on lcdc%d!?\n",lcdc_dev->id);
1262                         ret = -ENODEV;
1263                 }
1264                 if(screen_ctr_info->io_init)
1265                         screen_ctr_info->io_init(NULL);
1266         }
1267         else
1268         {
1269                 printk(KERN_WARNING "no display device on lcdc%d!?\n",lcdc_dev->id);
1270                 ret =  -ENODEV;
1271                 goto err4;
1272         }
1273
1274         ret = rk_fb_register(&(lcdc_dev->driver),&lcdc_driver,lcdc_dev->id);
1275         if(ret < 0)
1276         {
1277                 printk(KERN_ERR "register fb for lcdc%d failed!\n",lcdc_dev->id);
1278                 goto err4;
1279         }
1280         printk("rk3066b lcdc%d probe ok!\n",lcdc_dev->id);
1281
1282         return 0;
1283
1284 err4:
1285         free_irq(lcdc_dev->irq,lcdc_dev);
1286 err3:
1287         iounmap(lcdc_dev->reg_vir_base);
1288 err2:
1289         release_mem_region(lcdc_dev->reg_phy_base,resource_size(res));
1290 err1:
1291         kfree(screen);
1292 err0:
1293         platform_set_drvdata(pdev, NULL);
1294         kfree(lcdc_dev);
1295         return ret;
1296
1297 }
1298 static int __devexit rk3066b_lcdc_remove(struct platform_device *pdev)
1299 {
1300         struct rk3066b_lcdc_device *lcdc_dev = platform_get_drvdata(pdev);
1301         rk_fb_unregister(&(lcdc_dev->driver));
1302         rk3066b_lcdc_deinit(lcdc_dev);
1303         iounmap(lcdc_dev->reg_vir_base);
1304         release_mem_region(lcdc_dev->reg_phy_base,lcdc_dev->len);
1305         kfree(lcdc_dev->screen);
1306         kfree(lcdc_dev);
1307         return 0;
1308 }
1309
1310 static void rk3066b_lcdc_shutdown(struct platform_device *pdev)
1311 {
1312         struct rk3066b_lcdc_device *lcdc_dev = platform_get_drvdata(pdev);
1313         if(lcdc_dev->driver.cur_screen->standby) //standby the screen if necessary
1314                 lcdc_dev->driver.cur_screen->standby(1);
1315         if(lcdc_dev->driver.screen_ctr_info->io_disable) //power off the screen if necessary
1316                 lcdc_dev->driver.screen_ctr_info->io_disable();
1317         if(lcdc_dev->driver.cur_screen->sscreen_set) //turn off  lvds if necessary
1318                 lcdc_dev->driver.cur_screen->sscreen_set(lcdc_dev->driver.cur_screen , 0);
1319
1320         rk3066b_lcdc_deinit(lcdc_dev);
1321         rk_fb_unregister(&(lcdc_dev->driver));
1322
1323         /*iounmap(lcdc_dev->reg_vir_base);
1324         release_mem_region(lcdc_dev->reg_phy_base,lcdc_dev->len);
1325         kfree(lcdc_dev->screen);
1326         kfree(lcdc_dev);*/
1327 }
1328
1329
1330 static struct platform_driver rk3066b_lcdc_driver = {
1331         .probe          = rk3066b_lcdc_probe,
1332         .remove         = __devexit_p(rk3066b_lcdc_remove),
1333         .driver         = {
1334                 .name   = "rk30-lcdc",
1335                 .owner  = THIS_MODULE,
1336         },
1337         .suspend        = rk3066b_lcdc_suspend,
1338         .resume         = rk3066b_lcdc_resume,
1339         .shutdown       = rk3066b_lcdc_shutdown,
1340 };
1341
1342 static int __init rk3066b_lcdc_init(void)
1343 {
1344         return platform_driver_register(&rk3066b_lcdc_driver);
1345 }
1346
1347 static void __exit rk3066b_lcdc_exit(void)
1348 {
1349         platform_driver_unregister(&rk3066b_lcdc_driver);
1350 }
1351
1352
1353
1354 fs_initcall(rk3066b_lcdc_init);
1355 module_exit(rk3066b_lcdc_exit);
1356
1357
1358