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