drivers/video/rockchip/lcdc/rk3036_lcdc.c

   1 /*
   2  * drivers/video/rockchip/lcdc/rk3036_lcdc.c
   3  *
   4  * Copyright (C) 2014 ROCKCHIP, Inc.
   5  * Author:zhengyang<zhengyang@rock-chips.com>
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  */
  16
  17 #include <linux/module.h>
  18 #include <linux/kernel.h>
  19 #include <linux/errno.h>
  20 #include <linux/string.h>
  21 #include <linux/mm.h>
  22 #include <linux/slab.h>
  23 #include <linux/device.h>
  24 #include <linux/delay.h>
  25 #include <linux/init.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/clk.h>
  29 #include <asm/div64.h>
  30 #include <asm/uaccess.h>
  31 #include <linux/rockchip/cpu.h>
  32 #include <linux/rockchip/iomap.h>
  33 #include <linux/rockchip/grf.h>
  34 #include <linux/rockchip/common.h>
  35 #include <dt-bindings/clock/rk_system_status.h>
  36
  37 #include "rk3036_lcdc.h"
  38
  39 static int dbg_thresd;
  40 module_param(dbg_thresd, int, S_IRUGO | S_IWUSR);
  41
  42 #define DBG(level, x...) do {                   \
  43         if (unlikely(dbg_thresd >= level))      \
  44                 printk(KERN_INFO x); } while (0)
  45
  46 static struct rk_lcdc_win lcdc_win[] = {
  47         [0] = {
  48                .name = "win0",
  49                .id = 0,
  50                .support_3d = false,
  51                },
  52         [1] = {
  53                .name = "win1",
  54                .id = 1,
  55                .support_3d = false,
  56                },
  57         [2] = {
  58                .name = "hwc",
  59                .id = 2,
  60                .support_3d = false,
  61                },
  62 };
  63
  64 static void layer_enable(struct lcdc_device *lcdc_dev, unsigned int win_id, bool open);
  65
  66 static irqreturn_t rk3036_lcdc_isr(int irq, void *dev_id)
  67 {
  68         struct lcdc_device *lcdc_dev =
  69             (struct lcdc_device *)dev_id;
  70         ktime_t timestamp = ktime_get();
  71         u32 int_reg = lcdc_readl(lcdc_dev, INT_STATUS);
  72
  73         if (int_reg & m_FS_INT_STA) {
  74                 timestamp = ktime_get();
  75                 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_FS_INT_CLEAR,
  76                              v_FS_INT_CLEAR(1));
  77                 //if (lcdc_dev->driver.wait_fs) {
  78                 if (0) {
  79                         spin_lock(&(lcdc_dev->driver.cpl_lock));
  80                         complete(&(lcdc_dev->driver.frame_done));
  81                         spin_unlock(&(lcdc_dev->driver.cpl_lock));
  82                 }
  83                 lcdc_dev->driver.vsync_info.timestamp = timestamp;
  84                 wake_up_interruptible_all(&lcdc_dev->driver.vsync_info.wait);
  85
  86         } else if (int_reg & m_LF_INT_STA) {
  87                 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_LF_INT_CLEAR,
  88                              v_LF_INT_CLEAR(1));
  89         }
  90         return IRQ_HANDLED;
  91 }
  92
  93 static int rk3036_lcdc_clk_enable(struct lcdc_device *lcdc_dev)
  94 {
  95 #ifdef CONFIG_RK_FPGA
  96         lcdc_dev->clk_on = 1;
  97         return 0;
  98 #endif
  99         if (!lcdc_dev->clk_on) {
 100                 clk_prepare_enable(lcdc_dev->hclk);
 101                 clk_prepare_enable(lcdc_dev->dclk);
 102                 clk_prepare_enable(lcdc_dev->aclk);
 103 //              clk_prepare_enable(lcdc_dev->pd);
 104                 spin_lock(&lcdc_dev->reg_lock);
 105                 lcdc_dev->clk_on = 1;
 106                 spin_unlock(&lcdc_dev->reg_lock);
 107         }
 108
 109         return 0;
 110 }
 111
 112 static int rk3036_lcdc_clk_disable(struct lcdc_device *lcdc_dev)
 113 {
 114 #ifdef CONFIG_RK_FPGA
 115         lcdc_dev->clk_on = 0;
 116         return 0;
 117 #endif
 118         if (lcdc_dev->clk_on) {
 119                 spin_lock(&lcdc_dev->reg_lock);
 120                 lcdc_dev->clk_on = 0;
 121                 spin_unlock(&lcdc_dev->reg_lock);
 122                 mdelay(25);
 123                 clk_disable_unprepare(lcdc_dev->dclk);
 124                 clk_disable_unprepare(lcdc_dev->hclk);
 125                 clk_disable_unprepare(lcdc_dev->aclk);
 126 //              clk_disable_unprepare(lcdc_dev->pd);
 127         }
 128
 129         return 0;
 130 }
 131
 132 static int rk3036_lcdc_enable_irq(struct rk_lcdc_driver *dev_drv)
 133 {
 134         u32 mask, val;
 135         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 136                                         struct lcdc_device, driver);
 137         mask = m_FS_INT_CLEAR |m_FS_INT_EN;
 138         val = v_FS_INT_CLEAR(1) | v_FS_INT_EN(1);
 139         lcdc_msk_reg(lcdc_dev, INT_STATUS, mask, val);
 140         return 0;
 141 }
 142
 143 static int rk3036_lcdc_disable_irq(struct lcdc_device *lcdc_dev)
 144 {
 145         u32 mask, val;
 146         spin_lock(&lcdc_dev->reg_lock);
 147         if (likely(lcdc_dev->clk_on)) {
 148                 mask = m_FS_INT_CLEAR |m_FS_INT_EN;
 149                 val = v_FS_INT_CLEAR(0) | v_FS_INT_EN(0);
 150                 lcdc_msk_reg(lcdc_dev, INT_STATUS, mask, val);
 151                 spin_unlock(&lcdc_dev->reg_lock);
 152         } else {
 153                 spin_unlock(&lcdc_dev->reg_lock);
 154         }
 155         mdelay(1);
 156         return 0;
 157 }
 158
 159 static void rk_lcdc_read_reg_defalut_cfg(struct lcdc_device
 160                                              *lcdc_dev)
 161 {
 162         int reg = 0;
 163         u32 value = 0;
 164
 165         spin_lock(&lcdc_dev->reg_lock);
 166         for (reg = 0; reg < 0xdc; reg += 4) {
 167                 value = lcdc_readl(lcdc_dev, reg);
 168         }
 169         spin_unlock(&lcdc_dev->reg_lock);
 170 }
 171
 172 /********do basic init*********/
 173 static int rk3036_lcdc_pre_init(struct rk_lcdc_driver *dev_drv)
 174 {
 175         u32 mask,val;
 176         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 177                                                            struct
 178                                                            lcdc_device,
 179                                                    driver);
 180         if (lcdc_dev->pre_init)
 181                 return 0;
 182
 183         lcdc_dev->hclk = devm_clk_get(lcdc_dev->dev, "hclk_lcdc");
 184         lcdc_dev->aclk = devm_clk_get(lcdc_dev->dev, "aclk_lcdc");
 185         lcdc_dev->dclk = devm_clk_get(lcdc_dev->dev, "dclk_lcdc");
 186 //      lcdc_dev->pd   = devm_clk_get(lcdc_dev->dev, "pd_lcdc");
 187
 188         if (/*IS_ERR(lcdc_dev->pd) ||*/ (IS_ERR(lcdc_dev->aclk)) ||
 189             (IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk))) {
 190                 dev_err(lcdc_dev->dev, "failed to get lcdc%d clk source\n",
 191                         lcdc_dev->id);
 192         }
 193
 194         rk_disp_pwr_enable(dev_drv);
 195         rk3036_lcdc_clk_enable(lcdc_dev);
 196
 197         /*backup reg config at uboot*/
 198         rk_lcdc_read_reg_defalut_cfg(lcdc_dev);
 199
 200         mask =  m_AUTO_GATING_EN;
 201         val  =  v_AUTO_GATING_EN(0);
 202         lcdc_msk_reg(lcdc_dev, SYS_CTRL, mask,val);
 203         lcdc_cfg_done(lcdc_dev);
 204         if (dev_drv->iommu_enabled) /*disable win0 to workaround iommu pagefault*/
 205                 layer_enable(lcdc_dev, 0, 0);
 206         lcdc_dev->pre_init = true;
 207
 208         return 0;
 209 }
 210
 211 static int rk3036_lcdc_alpha_cfg(struct lcdc_device *lcdc_dev)
 212 {
 213         return 0;
 214 }
 215
 216 static int rk3036_lcdc_reg_update(struct rk_lcdc_driver *dev_drv)
 217 {
 218         struct lcdc_device *lcdc_dev =
 219             container_of(dev_drv, struct lcdc_device, driver);
 220         struct rk_lcdc_win *win0 = lcdc_dev->driver.win[0];
 221         struct rk_lcdc_win *win1 = lcdc_dev->driver.win[1];
 222         int timeout;
 223         unsigned long flags;
 224         spin_lock(&lcdc_dev->reg_lock);
 225         if (likely(lcdc_dev->clk_on)) {
 226                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
 227                              v_LCDC_STANDBY(lcdc_dev->standby));
 228                 lcdc_msk_reg(lcdc_dev, SYS_CTRL,
 229                              m_WIN0_EN | m_WIN1_EN | m_WIN0_RB_SWAP |
 230                              m_WIN1_RB_SWAP,
 231                              v_WIN0_EN(win0->state) | v_WIN1_EN(win1->state) |
 232                              v_WIN0_RB_SWAP(win0->swap_rb) |
 233                              v_WIN1_RB_SWAP(win1->swap_rb));
 234                 lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_YRGB,
 235                             v_X_SCL_FACTOR(win0->scale_yrgb_x) |
 236                             v_Y_SCL_FACTOR(win0->scale_yrgb_y));
 237                 lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_CBR,
 238                             v_X_SCL_FACTOR(win0->scale_cbcr_x) |
 239                             v_Y_SCL_FACTOR(win0->scale_cbcr_y));
 240                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN0_FORMAT, v_WIN0_FORMAT(win0->fmt_cfg));
 241                 lcdc_writel(lcdc_dev, WIN0_ACT_INFO, v_ACT_WIDTH(win0->area[0].xact) |
 242                             v_ACT_HEIGHT(win0->area[0].yact));
 243                 lcdc_writel(lcdc_dev, WIN0_DSP_ST, v_DSP_STX(win0->area[0].dsp_stx) |
 244                             v_DSP_STY(win0->area[0].dsp_sty));
 245                 lcdc_writel(lcdc_dev, WIN0_DSP_INFO, v_DSP_WIDTH(win0->area[0].xsize) |
 246                             v_DSP_HEIGHT(win0->area[0].ysize));
 247                 lcdc_msk_reg(lcdc_dev, WIN0_VIR, m_YRGB_VIR | m_CBBR_VIR,
 248                              v_YRGB_VIR(win0->area[0].y_vir_stride) | v_YRGB_VIR(win0->area[0].uv_vir_stride));
 249                 lcdc_writel(lcdc_dev, WIN0_YRGB_MST, win0->area[0].y_addr);
 250                 lcdc_writel(lcdc_dev, WIN0_CBR_MST, win0->area[0].uv_addr);
 251                 lcdc_writel(lcdc_dev, WIN1_DSP_INFO, v_DSP_WIDTH(win1->area[0].xsize) |
 252                             v_DSP_HEIGHT(win1->area[0].ysize));
 253                 lcdc_writel(lcdc_dev, WIN1_DSP_ST, v_DSP_STX(win1->area[0].dsp_stx) |
 254                             v_DSP_STY(win1->area[0].dsp_sty));
 255                 lcdc_msk_reg(lcdc_dev, WIN1_VIR, m_YRGB_VIR, v_YRGB_VIR(win1->area[0].y_vir_stride));
 256                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN1_FORMAT,
 257                              v_WIN1_FORMAT(win1->fmt_cfg));
 258                 lcdc_writel(lcdc_dev, WIN1_MST, win1->area[0].y_addr);
 259                 rk3036_lcdc_alpha_cfg(lcdc_dev);
 260                 lcdc_cfg_done(lcdc_dev);
 261
 262         }
 263         spin_unlock(&lcdc_dev->reg_lock);
 264         //if (dev_drv->wait_fs) {
 265         if (0) {
 266                 spin_lock_irqsave(&dev_drv->cpl_lock, flags);
 267                 init_completion(&dev_drv->frame_done);
 268                 spin_unlock_irqrestore(&dev_drv->cpl_lock, flags);
 269                 timeout = wait_for_completion_timeout(&dev_drv->frame_done,
 270                                                       msecs_to_jiffies
 271                                                       (dev_drv->cur_screen->ft +
 272                                                        5));
 273                 if (!timeout && (!dev_drv->frame_done.done)) {
 274                         dev_warn(lcdc_dev->dev, "wait for new frame start time out!\n");
 275                         return -ETIMEDOUT;
 276                 }
 277         }
 278         DBG(2, "%s for lcdc%d\n", __func__, lcdc_dev->id);
 279         return 0;
 280
 281 }
 282
 283 static void rk3036_lcdc_reg_restore(struct lcdc_device *lcdc_dev)
 284 {
 285         memcpy((u8 *) lcdc_dev->regs, (u8 *) lcdc_dev->regsbak, 0xdc);
 286 }
 287
 288 static void rk3036_lcdc_mmu_en(struct rk_lcdc_driver *dev_drv)
 289 {
 290         u32 mask,val;
 291         struct lcdc_device *lcdc_dev =
 292             container_of(dev_drv, struct lcdc_device, driver);
 293         spin_lock(&lcdc_dev->reg_lock);
 294         if (likely(lcdc_dev->clk_on)) {
 295                 mask = m_MMU_EN | m_AXI_MAX_OUTSTANDING_EN | m_AXI_OUTSTANDING_MAX_NUM;;
 296                 val = v_MMU_EN(1) | v_AXI_OUTSTANDING_MAX_NUM(31) | v_AXI_MAX_OUTSTANDING_EN(1);
 297                 lcdc_msk_reg(lcdc_dev, AXI_BUS_CTRL, mask, val);
 298         }
 299         spin_unlock(&lcdc_dev->reg_lock);
 300 }
 301
 302 static int rk3036_lcdc_set_dclk(struct rk_lcdc_driver *dev_drv)
 303 {
 304 #ifdef CONFIG_RK_FPGA
 305         return 0;
 306 #endif
 307         int ret,fps;
 308         struct lcdc_device *lcdc_dev =
 309             container_of(dev_drv, struct lcdc_device, driver);
 310         struct rk_screen *screen = dev_drv->cur_screen;
 311
 312         ret = clk_set_rate(lcdc_dev->dclk, screen->mode.pixclock);
 313         if (ret)
 314                 dev_err(dev_drv->dev, "set lcdc%d dclk failed\n", lcdc_dev->id);
 315         lcdc_dev->pixclock =
 316                  div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
 317         lcdc_dev->driver.pixclock = lcdc_dev->pixclock;
 318
 319         fps = rk_fb_calc_fps(screen, lcdc_dev->pixclock);
 320         screen->ft = 1000 / fps;
 321         dev_info(lcdc_dev->dev, "%s: dclk:%lu>>fps:%d ",
 322                  lcdc_dev->driver.name, clk_get_rate(lcdc_dev->dclk), fps);
 323         return 0;
 324
 325 }
 326
 327 static int rk3036_load_screen(struct rk_lcdc_driver *dev_drv, bool initscreen)
 328 {
 329         int ret = -EINVAL;
 330         int fps;
 331         u16 face = 0;
 332         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 333                                                 struct lcdc_device, driver);
 334         struct rk_screen *screen = dev_drv->cur_screen;
 335         u16 right_margin = screen->mode.right_margin;
 336         u16 left_margin = screen->mode.left_margin;
 337         u16 lower_margin = screen->mode.lower_margin;
 338         u16 upper_margin = screen->mode.upper_margin;
 339         u16 x_res = screen->mode.xres;
 340         u16 y_res = screen->mode.yres;
 341         u32 mask, val;
 342
 343         spin_lock(&lcdc_dev->reg_lock);
 344         if (likely(lcdc_dev->clk_on)) {
 345                 switch (screen->type) {
 346                 case SCREEN_HDMI:
 347                         mask = m_HDMI_DCLK_EN;
 348                         val = v_HDMI_DCLK_EN(1);
 349                         if(screen->pixelrepeat) {
 350                                 mask |= m_CORE_CLK_DIV_EN;
 351                                 val |= v_CORE_CLK_DIV_EN(1);
 352                         }
 353                         lcdc_msk_reg(lcdc_dev, AXI_BUS_CTRL, mask, val);
 354                         break;
 355                 case SCREEN_TVOUT:
 356                         mask = m_TVE_DAC_DCLK_EN;
 357                         val = v_TVE_DAC_DCLK_EN(1);
 358                         if(screen->pixelrepeat) {
 359                                 mask |= m_CORE_CLK_DIV_EN;
 360                                 val |= v_CORE_CLK_DIV_EN(1);
 361                         }
 362                         lcdc_msk_reg(lcdc_dev, AXI_BUS_CTRL, mask, val);
 363                         break;
 364                 default:
 365                         dev_err(lcdc_dev->dev, "un supported interface!\n");
 366                         break;
 367                 }
 368
 369                 mask = m_DSP_OUT_FORMAT | m_HSYNC_POL | m_VSYNC_POL |
 370                     m_DEN_POL | m_DCLK_POL;
 371                 val = v_DSP_OUT_FORMAT(face) | v_HSYNC_POL(screen->pin_hsync) |
 372                     v_VSYNC_POL(screen->pin_vsync) | v_DEN_POL(screen->pin_den) |
 373                     v_DCLK_POL(screen->pin_dclk);
 374                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
 375
 376                 mask = m_BG_COLOR | m_DSP_BG_SWAP | m_DSP_RB_SWAP |
 377                     m_DSP_RG_SWAP | m_DSP_DELTA_SWAP |
 378                     m_DSP_DUMMY_SWAP | m_BLANK_EN;
 379
 380                 val = v_BG_COLOR(0x000000) | v_DSP_BG_SWAP(screen->swap_gb) |
 381                     v_DSP_RB_SWAP(screen->swap_rb) | v_DSP_RG_SWAP(screen->
 382                                                                    swap_rg) |
 383                     v_DSP_DELTA_SWAP(screen->
 384                                      swap_delta) | v_DSP_DUMMY_SWAP(screen->
 385                                                                     swap_dumy) |
 386                     v_BLANK_EN(0) | v_BLACK_EN(0);
 387                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
 388                 val =
 389                     v_HSYNC(screen->mode.hsync_len) | v_HORPRD(screen->mode.
 390                                                                hsync_len +
 391                                                                left_margin +
 392                                                                x_res +
 393                                                                right_margin);
 394                 lcdc_writel(lcdc_dev, DSP_HTOTAL_HS_END, val);
 395                 val = v_HAEP(screen->mode.hsync_len + left_margin + x_res) |
 396                     v_HASP(screen->mode.hsync_len + left_margin);
 397                 lcdc_writel(lcdc_dev, DSP_HACT_ST_END, val);
 398
 399                 val =
 400                     v_VSYNC(screen->mode.vsync_len) | v_VERPRD(screen->mode.
 401                                                                vsync_len +
 402                                                                upper_margin +
 403                                                                y_res +
 404                                                                lower_margin);
 405                 lcdc_writel(lcdc_dev, DSP_VTOTAL_VS_END, val);
 406
 407                 val = v_VAEP(screen->mode.vsync_len + upper_margin + y_res) |
 408                     v_VASP(screen->mode.vsync_len + screen->mode.upper_margin);
 409                 lcdc_writel(lcdc_dev, DSP_VACT_ST_END, val);
 410         }
 411         spin_unlock(&lcdc_dev->reg_lock);
 412
 413         ret = clk_set_rate(lcdc_dev->dclk, screen->mode.pixclock);
 414         if (ret)
 415                 dev_err(dev_drv->dev, "set lcdc%d dclk failed\n", lcdc_dev->id);
 416         lcdc_dev->pixclock =
 417             div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
 418         lcdc_dev->driver.pixclock = lcdc_dev->pixclock;
 419
 420         fps = rk_fb_calc_fps(screen, lcdc_dev->pixclock);
 421         screen->ft = 1000 / fps;
 422         dev_info(lcdc_dev->dev, "%s: dclk:%lu>>fps:%d ",
 423                  lcdc_dev->driver.name, clk_get_rate(lcdc_dev->dclk), fps);
 424         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
 425                 dev_drv->trsm_ops->enable();
 426         if (screen->init)
 427                 screen->init();
 428
 429         return 0;
 430 }
 431
 432 static void layer_enable(struct lcdc_device *lcdc_dev, unsigned int win_id, bool open)
 433 {
 434         spin_lock(&lcdc_dev->reg_lock);
 435                 if (likely(lcdc_dev->clk_on)) {
 436                         if (open) {
 437                                 if (!lcdc_dev->atv_layer_cnt) {
 438                                         dev_info(lcdc_dev->dev, "wakeup from standby!\n");
 439                                         lcdc_dev->standby = 0;
 440                                 }
 441                                 lcdc_dev->atv_layer_cnt++;
 442                         } else if ((lcdc_dev->atv_layer_cnt > 0) && (!open)) {
 443                                 lcdc_dev->atv_layer_cnt--;
 444                         }
 445                         lcdc_dev->driver.win[win_id]->state = open;
 446                         if(win_id == 0)
 447                                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN0_EN, v_WIN0_EN(open));
 448                         else if(win_id == 1)
 449                                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN1_EN, v_WIN1_EN(open));
 450                         else
 451                                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_HWC_EN, v_HWC_EN(open));
 452                         /*if no layer used,disable lcdc*/
 453                         if (!lcdc_dev->atv_layer_cnt) {
 454                                 dev_info(lcdc_dev->dev, "no layer is used,go to standby!\n");
 455                                 lcdc_dev->standby = 1;
 456                         }
 457                 }
 458                 spin_unlock(&lcdc_dev->reg_lock);
 459 }
 460
 461 static int rk3036_lcdc_open(struct rk_lcdc_driver *dev_drv, int win_id,
 462                             bool open)
 463 {
 464         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 465                                         struct lcdc_device, driver);
 466
 467         /*enable clk,when first layer open */
 468         if ((open) && (!lcdc_dev->atv_layer_cnt)) {
 469                 rk3036_lcdc_pre_init(dev_drv);
 470                 rk3036_lcdc_clk_enable(lcdc_dev);
 471                 rk3036_lcdc_reg_restore(lcdc_dev);
 472                 if (dev_drv->iommu_enabled)
 473                         rk3036_lcdc_mmu_en(dev_drv);
 474                 if ((support_uboot_display()&&(lcdc_dev->prop == PRMRY))) {
 475                         rk3036_lcdc_set_dclk(dev_drv);
 476                         rk3036_lcdc_enable_irq(dev_drv);
 477                 } else {
 478                         rk3036_load_screen(dev_drv, 1);
 479                 }
 480         }
 481         if(win_id < ARRAY_SIZE(lcdc_win)) {
 482                 layer_enable(lcdc_dev, win_id, open);
 483         }
 484         else
 485                 dev_err(lcdc_dev->dev, "invalid win id:%d\n", win_id);
 486
 487         /*when all layer closed,disable clk */
 488         if ((!open) && (!lcdc_dev->atv_layer_cnt)) {
 489                 rk3036_lcdc_disable_irq(lcdc_dev);
 490                 rk3036_lcdc_reg_update(dev_drv);
 491                 rk3036_lcdc_clk_disable(lcdc_dev);
 492         }
 493
 494         return 0;
 495 }
 496
 497 static int rk3036_lcdc_set_par(struct rk_lcdc_driver *dev_drv,int win_id)
 498 {
 499         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 500                                                 struct lcdc_device, driver);
 501         struct rk_screen *screen = dev_drv->cur_screen;
 502         struct rk_lcdc_win *win = NULL;
 503         char fmt[9] = "NULL";
 504
 505         if (!screen) {
 506                 dev_err(dev_drv->dev, "screen is null!\n");
 507                 return -ENOENT;
 508         }
 509
 510         if (win_id == 0) {
 511                 win = dev_drv->win[0];
 512         } else if (win_id == 1) {
 513                 win = dev_drv->win[1];
 514         } else {
 515                 dev_err(dev_drv->dev, "un supported win number:%d\n", win_id);
 516                 return -EINVAL;
 517         }
 518
 519         spin_lock(&lcdc_dev->reg_lock);
 520
 521         win->area[0].dsp_stx = win->area[0].xpos + screen->mode.left_margin + screen->mode.hsync_len;
 522         win->area[0].dsp_sty = win->area[0].ypos + screen->mode.upper_margin + screen->mode.vsync_len;
 523         win->scale_yrgb_x = CalScale(win->area[0].xact, win->area[0].xsize);
 524         win->scale_yrgb_y = CalScale(win->area[0].yact, win->area[0].ysize);
 525         switch (win->format) {
 526                 case ARGB888:
 527                         win->fmt_cfg = VOP_FORMAT_ARGB888;
 528                         win->swap_rb = 0;
 529                         break;
 530                 case XBGR888:
 531                         win->fmt_cfg = VOP_FORMAT_ARGB888;
 532                         win->swap_rb = 1;
 533                         break;
 534                 case ABGR888:
 535                         win->fmt_cfg = VOP_FORMAT_ARGB888;
 536                         win->swap_rb = 1;
 537                         break;
 538                 case RGB888:
 539                         win->fmt_cfg = VOP_FORMAT_RGB888;
 540                         win->swap_rb = 0;
 541                         break;
 542                 case RGB565:
 543                         win->fmt_cfg = VOP_FORMAT_RGB565;
 544                         win->swap_rb = 0;
 545                         break;
 546                 case YUV444:
 547                         if(win_id == 0) {
 548                                 win->fmt_cfg = VOP_FORMAT_YCBCR444;
 549                                 win->scale_cbcr_x = CalScale(win->area[0].xact, win->area[0].xsize);
 550                                 win->scale_cbcr_y = CalScale(win->area[0].yact, win->area[0].ysize);
 551                                 win->swap_rb = 0;
 552                         } else {
 553                                 dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
 554                                 __func__);
 555                         }
 556                         break;
 557                 case YUV422:
 558                         if(win_id == 0) {
 559                                 win->fmt_cfg = VOP_FORMAT_YCBCR422;
 560                                 win->scale_cbcr_x = CalScale((win->area[0].xact / 2), win->area[0].xsize);
 561                                 win->scale_cbcr_y = CalScale(win->area[0].yact, win->area[0].ysize);
 562                                 win->swap_rb = 0;
 563                         } else {
 564                                 dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
 565                                 __func__);
 566                         }
 567                         break;
 568                 case YUV420:
 569                         if(win_id == 0) {
 570                                 win->fmt_cfg = VOP_FORMAT_YCBCR420;
 571                                 win->scale_cbcr_x = CalScale(win->area[0].xact / 2, win->area[0].xsize);
 572                                 win->scale_cbcr_y = CalScale(win->area[0].yact / 2, win->area[0].ysize);
 573                                 win->swap_rb = 0;
 574                         }
 575                         else {
 576                                 dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
 577                                 __func__);
 578                         }
 579                         break;
 580                 default:
 581                         dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
 582                                 __func__);
 583                         break;
 584         }
 585         spin_unlock(&lcdc_dev->reg_lock);
 586
 587         if (lcdc_dev->clk_on) {
 588                 rk3036_lcdc_alpha_cfg(lcdc_dev);
 589         }
 590         DBG(1, "lcdc%d>>%s\n>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d\n"
 591                 ">>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n", lcdc_dev->id,
 592                 __func__, get_format_string(win->format, fmt), win->area[0].xact,
 593                 win->area[0].yact, win->area[0].xsize, win->area[0].ysize, win->area[0].xvir,
 594                 win->area[0].yvir, win->area[0].xpos, win->area[0].ypos);
 595         return 0;
 596 }
 597
 598 static int rk3036_lcdc_pan_display(struct rk_lcdc_driver *dev_drv, int win_id)
 599 {
 600         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 601                                                 struct lcdc_device, driver);
 602         struct rk_lcdc_win *win = NULL;
 603         struct rk_screen *screen = dev_drv->cur_screen;
 604
 605         if (!screen) {
 606                 dev_err(dev_drv->dev,"screen is null!\n");
 607                 return -ENOENT;
 608         }
 609
 610         if (win_id == 0) {
 611                 win = dev_drv->win[0];
 612         } else if(win_id==1) {
 613                 win = dev_drv->win[1];
 614         } else {
 615                 dev_err(dev_drv->dev,"invalid win number:%d!\n", win_id);
 616                 return -EINVAL;
 617         }
 618
 619
 620         spin_lock(&lcdc_dev->reg_lock);
 621         if (likely(lcdc_dev->clk_on)) {
 622                 win->area[0].y_addr = win->area[0].smem_start+win->area[0].y_offset;
 623                 win->area[0].uv_addr = win->area[0].cbr_start + win->area[0].c_offset;
 624                 if(win_id == 0) {
 625                         lcdc_writel(lcdc_dev, WIN0_YRGB_MST, win->area[0].y_addr);
 626                         lcdc_writel(lcdc_dev, WIN0_CBR_MST, win->area[0].uv_addr);
 627                 } else
 628                         lcdc_writel(lcdc_dev, WIN1_MST, win->area[0].y_addr);
 629                 /*lcdc_cfg_done(lcdc_dev);*/
 630         }
 631         spin_unlock(&lcdc_dev->reg_lock);
 632
 633         DBG(2, "lcdc%d>>%s:y_addr:0x%x>>uv_addr:0x%x>>offset:%d\n",
 634             lcdc_dev->id, __func__, win->area[0].y_addr, win->area[0].uv_addr,win->area[0].y_offset);
 635          /*this is the first frame of the system ,enable frame start interrupt*/
 636         if ((dev_drv->first_frame))  {
 637                 dev_drv->first_frame = 0;
 638                 rk3036_lcdc_enable_irq(dev_drv);
 639
 640         }
 641
 642         return 0;
 643 }
 644
 645 static int rk3036_lcdc_ioctl(struct rk_lcdc_driver *dev_drv, unsigned int cmd,
 646                              unsigned long arg, int win_id)
 647 {
 648         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 649                                         struct lcdc_device, driver);
 650         u32 panel_size[2];
 651         void __user *argp = (void __user *)arg;
 652         struct color_key_cfg clr_key_cfg;
 653
 654         switch (cmd) {
 655         case RK_FBIOGET_PANEL_SIZE:
 656                 panel_size[0] = lcdc_dev->screen->mode.xres;
 657                 panel_size[1] = lcdc_dev->screen->mode.yres;
 658                 if (copy_to_user(argp, panel_size, 8))
 659                         return -EFAULT;
 660                 break;
 661         case RK_FBIOPUT_COLOR_KEY_CFG:
 662                 if (copy_from_user(&clr_key_cfg, argp,
 663                                    sizeof(struct color_key_cfg)))
 664                         return -EFAULT;
 665                 lcdc_writel(lcdc_dev, WIN0_COLOR_KEY,
 666                             clr_key_cfg.win0_color_key_cfg);
 667                 lcdc_writel(lcdc_dev, WIN1_COLOR_KEY,
 668                             clr_key_cfg.win1_color_key_cfg);
 669                 break;
 670
 671         default:
 672                 break;
 673         }
 674         return 0;
 675 }
 676
 677 static int rk3036_lcdc_get_win_id(struct rk_lcdc_driver *dev_drv,
 678                                   const char *id)
 679 {
 680         int win_id = 0;
 681         mutex_lock(&dev_drv->fb_win_id_mutex);
 682         if (!strcmp(id, "fb0"))
 683                 win_id = dev_drv->fb0_win_id;
 684         else if (!strcmp(id, "fb1"))
 685                 win_id = dev_drv->fb1_win_id;
 686         else if (!strcmp(id, "fb2"))
 687                 win_id = dev_drv->fb2_win_id;
 688         mutex_unlock(&dev_drv->fb_win_id_mutex);
 689
 690         return win_id;
 691 }
 692
 693 static int rk3036_lcdc_get_win_state(struct rk_lcdc_driver *dev_drv, int win_id)
 694 {
 695         return 0;
 696 }
 697
 698 static int rk3036_lcdc_ovl_mgr(struct rk_lcdc_driver *dev_drv, int swap,
 699                                bool set)
 700 {
 701         struct lcdc_device *lcdc_dev =
 702             container_of(dev_drv, struct lcdc_device, driver);
 703         int ovl;
 704         spin_lock(&lcdc_dev->reg_lock);
 705         if (lcdc_dev->clk_on) {
 706                 if (set) {
 707                         lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_WIN0_TOP,
 708                                      v_WIN0_TOP(swap));
 709                         ovl = swap;
 710                 } else {
 711                         ovl = lcdc_read_bit(lcdc_dev, DSP_CTRL0, m_WIN0_TOP);
 712                 }
 713         } else {
 714                 ovl = -EPERM;
 715         }
 716         spin_unlock(&lcdc_dev->reg_lock);
 717
 718         return ovl;
 719 }
 720
 721 static int rk3036_lcdc_early_suspend(struct rk_lcdc_driver *dev_drv)
 722 {
 723
 724         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 725                                         struct lcdc_device, driver);
 726         if (dev_drv->suspend_flag)
 727                 return 0;
 728         dev_drv->suspend_flag = 1;
 729         flush_kthread_worker(&dev_drv->update_regs_worker);
 730
 731         if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
 732                 dev_drv->trsm_ops->disable();
 733         spin_lock(&lcdc_dev->reg_lock);
 734         if (likely(lcdc_dev->clk_on)) {
 735                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
 736                              v_BLANK_EN(1));
 737                 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_FS_INT_CLEAR,
 738                              v_FS_INT_CLEAR(1));
 739                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
 740                              v_DSP_OUT_ZERO(1));
 741                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
 742                              v_LCDC_STANDBY(1));
 743                 lcdc_cfg_done(lcdc_dev);
 744                 spin_unlock(&lcdc_dev->reg_lock);
 745         } else {
 746                 spin_unlock(&lcdc_dev->reg_lock);
 747                 return 0;
 748         }
 749         rk3036_lcdc_clk_disable(lcdc_dev);
 750         rk_disp_pwr_disable(dev_drv);
 751         return 0;
 752 }
 753
 754 static int rk3036_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
 755 {
 756         struct lcdc_device *lcdc_dev =
 757             container_of(dev_drv, struct lcdc_device, driver);
 758
 759         if (!dev_drv->suspend_flag)
 760                 return 0;
 761         rk_disp_pwr_enable(dev_drv);
 762         dev_drv->suspend_flag = 0;
 763
 764         if (lcdc_dev->atv_layer_cnt) {
 765                 rk3036_lcdc_clk_enable(lcdc_dev);
 766                 rk3036_lcdc_reg_restore(lcdc_dev);
 767
 768                 spin_lock(&lcdc_dev->reg_lock);
 769
 770                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
 771                              v_DSP_OUT_ZERO(0));
 772                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
 773                              v_LCDC_STANDBY(0));
 774                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
 775                              v_BLANK_EN(0));
 776                 lcdc_cfg_done(lcdc_dev);
 777
 778                 spin_unlock(&lcdc_dev->reg_lock);
 779         }
 780
 781         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
 782                 dev_drv->trsm_ops->enable();
 783         return 0;
 784 }
 785
 786
 787 static int rk3036_lcdc_blank(struct rk_lcdc_driver *dev_drv,
 788                              int win_id, int blank_mode)
 789 {
 790         switch (blank_mode) {
 791         case FB_BLANK_UNBLANK:
 792                 rk3036_lcdc_early_resume(dev_drv);
 793                 break;
 794         case FB_BLANK_NORMAL:
 795                 rk3036_lcdc_early_suspend(dev_drv);
 796                 break;
 797         default:
 798                 rk3036_lcdc_early_suspend(dev_drv);
 799                 break;
 800         }
 801
 802         dev_info(dev_drv->dev, "blank mode:%d\n", blank_mode);
 803
 804         return 0;
 805 }
 806
 807 static int rk3036_lcdc_cfg_done(struct rk_lcdc_driver *dev_drv)
 808 {
 809         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 810                                         struct lcdc_device, driver);
 811         spin_lock(&lcdc_dev->reg_lock);
 812         if (lcdc_dev->clk_on)
 813                 lcdc_cfg_done(lcdc_dev);
 814         spin_unlock(&lcdc_dev->reg_lock);
 815         return 0;
 816 }
 817
 818 /*
 819         a:[-30~0]:
 820             sin_hue = sin(a)*256 +0x100;
 821             cos_hue = cos(a)*256;
 822         a:[0~30]
 823             sin_hue = sin(a)*256;
 824             cos_hue = cos(a)*256;
 825 */
 826 static int rk3036_lcdc_get_bcsh_hue(struct rk_lcdc_driver *dev_drv,bcsh_hue_mode mode)
 827 {
 828
 829         struct lcdc_device *lcdc_dev =
 830             container_of(dev_drv, struct lcdc_device, driver);
 831         u32 val;
 832
 833         spin_lock(&lcdc_dev->reg_lock);
 834         if (lcdc_dev->clk_on) {
 835                 val = lcdc_readl(lcdc_dev, BCSH_H);
 836                 switch(mode){
 837                 case H_SIN:
 838                         val &= m_BCSH_SIN_HUE;
 839                         break;
 840                 case H_COS:
 841                         val &= m_BCSH_COS_HUE;
 842                         val >>= 16;
 843                         break;
 844                 default:
 845                         break;
 846                 }
 847         }
 848         spin_unlock(&lcdc_dev->reg_lock);
 849
 850         return val;
 851 }
 852
 853
 854 static int rk3036_lcdc_set_bcsh_hue(struct rk_lcdc_driver *dev_drv,int sin_hue, int cos_hue)
 855 {
 856
 857         struct lcdc_device *lcdc_dev =
 858             container_of(dev_drv, struct lcdc_device, driver);
 859         u32 mask, val;
 860
 861         spin_lock(&lcdc_dev->reg_lock);
 862         if (lcdc_dev->clk_on) {
 863                 mask = m_BCSH_SIN_HUE | m_BCSH_COS_HUE;
 864                 val = v_BCSH_SIN_HUE(sin_hue) | v_BCSH_COS_HUE(cos_hue);
 865                 lcdc_msk_reg(lcdc_dev, BCSH_H, mask, val);
 866                 lcdc_cfg_done(lcdc_dev);
 867         }
 868         spin_unlock(&lcdc_dev->reg_lock);
 869
 870         return 0;
 871 }
 872
 873 static int rk3036_lcdc_set_bcsh_bcs(struct rk_lcdc_driver *dev_drv,bcsh_bcs_mode mode,int value)
 874 {
 875         struct lcdc_device *lcdc_dev =
 876             container_of(dev_drv, struct lcdc_device, driver);
 877         u32 mask, val;
 878
 879         spin_lock(&lcdc_dev->reg_lock);
 880         if(lcdc_dev->clk_on) {
 881                 switch (mode) {
 882                 case BRIGHTNESS:
 883                 /*from 0 to 255,typical is 128*/
 884                         if (value < 0x80)
 885                                 value += 0x80;
 886                         else if (value >= 0x80)
 887                                 value = value - 0x80;
 888                         mask =  m_BCSH_BRIGHTNESS;
 889                         val = v_BCSH_BRIGHTNESS(value);
 890                         break;
 891                 case CONTRAST:
 892                 /*from 0 to 510,typical is 256*/
 893                         mask =  m_BCSH_CONTRAST;
 894                         val =  v_BCSH_CONTRAST(value);
 895                         break;
 896                 case SAT_CON:
 897                 /*from 0 to 1015,typical is 256*/
 898                         mask = m_BCSH_SAT_CON;
 899                         val = v_BCSH_SAT_CON(value);
 900                         break;
 901                 default:
 902                         break;
 903                 }
 904                 lcdc_msk_reg(lcdc_dev, BCSH_BCS, mask, val);
 905                 lcdc_cfg_done(lcdc_dev);
 906         }
 907         spin_unlock(&lcdc_dev->reg_lock);
 908         return val;
 909 }
 910
 911 static int rk3036_lcdc_get_bcsh_bcs(struct rk_lcdc_driver *dev_drv,bcsh_bcs_mode mode)
 912 {
 913         struct lcdc_device *lcdc_dev =
 914             container_of(dev_drv, struct lcdc_device, driver);
 915         u32 val;
 916
 917         spin_lock(&lcdc_dev->reg_lock);
 918         if(lcdc_dev->clk_on) {
 919                 val = lcdc_readl(lcdc_dev, BCSH_BCS);
 920                 switch (mode) {
 921                 case BRIGHTNESS:
 922                         val &= m_BCSH_BRIGHTNESS;
 923                         if(val > 0x80)
 924                                 val -= 0x80;
 925                         else
 926                                 val += 0x80;
 927                         break;
 928                 case CONTRAST:
 929                         val &= m_BCSH_CONTRAST;
 930                         val >>= 8;
 931                         break;
 932                 case SAT_CON:
 933                         val &= m_BCSH_SAT_CON;
 934                         val >>= 20;
 935                         break;
 936                 default:
 937                         break;
 938                 }
 939         }
 940         spin_unlock(&lcdc_dev->reg_lock);
 941         return val;
 942 }
 943
 944
 945 static int rk3036_lcdc_open_bcsh(struct rk_lcdc_driver *dev_drv, bool open)
 946 {
 947         struct lcdc_device *lcdc_dev =
 948             container_of(dev_drv, struct lcdc_device, driver);
 949         u32 mask, val;
 950
 951         spin_lock(&lcdc_dev->reg_lock);
 952         if (lcdc_dev->clk_on) {
 953                 if (open) {
 954                         lcdc_writel(lcdc_dev,BCSH_COLOR_BAR,0x1);
 955                         lcdc_writel(lcdc_dev,BCSH_BCS,0xd0010000);
 956                         lcdc_writel(lcdc_dev,BCSH_H,0x01000000);
 957                 } else {
 958                         mask = m_BCSH_EN;
 959                         val = v_BCSH_EN(0);
 960                         lcdc_msk_reg(lcdc_dev, BCSH_COLOR_BAR, mask, val);
 961                 }
 962                 lcdc_cfg_done(lcdc_dev);
 963         }
 964         spin_unlock(&lcdc_dev->reg_lock);
 965         return 0;
 966 }
 967
 968 static int rk3036_fb_win_remap(struct rk_lcdc_driver *dev_drv,
 969                                enum fb_win_map_order order)
 970 {
 971         mutex_lock(&dev_drv->fb_win_id_mutex);
 972         if (order == FB_DEFAULT_ORDER)
 973                 order = FB0_WIN0_FB1_WIN1_FB2_WIN2;
 974         dev_drv->fb2_win_id = order / 100;
 975         dev_drv->fb1_win_id = (order / 10) % 10;
 976         dev_drv->fb0_win_id = order % 10;
 977         mutex_unlock(&dev_drv->fb_win_id_mutex);
 978
 979         return 0;
 980 }
 981
 982 static int rk3036_lcdc_fps_mgr(struct rk_lcdc_driver *dev_drv, int fps,
 983                                bool set)
 984 {
 985         struct lcdc_device *lcdc_dev =
 986             container_of(dev_drv, struct lcdc_device, driver);
 987         struct rk_screen *screen = dev_drv->cur_screen;
 988         u64 ft = 0;
 989         u32 dotclk;
 990         int ret;
 991         u32 pixclock;
 992         u32 x_total, y_total;
 993         if (set) {
 994                 ft = div_u64(1000000000000llu, fps);
 995                 x_total =
 996                     screen->mode.upper_margin + screen->mode.lower_margin +
 997                     screen->mode.yres + screen->mode.vsync_len;
 998                 y_total =
 999                     screen->mode.left_margin + screen->mode.right_margin +
1000                     screen->mode.xres + screen->mode.hsync_len;
1001                 dev_drv->pixclock = div_u64(ft, x_total * y_total);
1002                 dotclk = div_u64(1000000000000llu, dev_drv->pixclock);
1003                 ret = clk_set_rate(lcdc_dev->dclk, dotclk);
1004         }
1005
1006         pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
1007         dev_drv->pixclock = lcdc_dev->pixclock = pixclock;
1008         fps = rk_fb_calc_fps(lcdc_dev->screen, pixclock);
1009         screen->ft = 1000 / fps;        /*one frame time in ms */
1010
1011         if (set)
1012                 dev_info(dev_drv->dev, "%s:dclk:%lu,fps:%d\n", __func__,
1013                          clk_get_rate(lcdc_dev->dclk), fps);
1014
1015         return fps;
1016 }
1017
1018 static int rk3036_lcdc_poll_vblank(struct rk_lcdc_driver *dev_drv)
1019 {
1020         struct lcdc_device *lcdc_dev =
1021             container_of(dev_drv, struct lcdc_device, driver);
1022         u32 int_reg;
1023         int ret;
1024
1025         if (lcdc_dev->clk_on) {
1026                 int_reg = lcdc_readl(lcdc_dev, INT_STATUS);
1027                 if (int_reg & m_LF_INT_STA) {
1028                         lcdc_msk_reg(lcdc_dev, INT_STATUS, m_LF_INT_CLEAR,
1029                                      v_LF_INT_CLEAR(1));
1030                         ret = RK_LF_STATUS_FC;
1031                 } else
1032                         ret = RK_LF_STATUS_FR;
1033         } else {
1034                 ret = RK_LF_STATUS_NC;
1035         }
1036
1037         return ret;
1038 }
1039
1040 static int rk3036_lcdc_get_dsp_addr(struct rk_lcdc_driver *dev_drv,unsigned int *dsp_addr)
1041 {
1042         struct lcdc_device *lcdc_dev =
1043             container_of(dev_drv, struct lcdc_device, driver);
1044
1045         if(lcdc_dev->clk_on){
1046                 dsp_addr[0] = lcdc_readl(lcdc_dev, WIN0_YRGB_MST);
1047                 dsp_addr[1] = lcdc_readl(lcdc_dev, WIN1_MST);
1048         }
1049         return 0;
1050 }
1051
1052 static ssize_t rk3036_lcdc_get_disp_info(struct rk_lcdc_driver *dev_drv,
1053                                          char *buf, int win_id)
1054 {
1055 //      struct lcdc_device *lcdc_dev = container_of(dev_drv,
1056 //                                      struct lcdc_device, driver);
1057 //      struct rk_screen *screen = dev_drv->cur_screen;
1058         struct rk_lcdc_win *win = NULL;
1059         char fmt[9] = "NULL";
1060         u32     size;
1061
1062         if (win_id < ARRAY_SIZE(lcdc_win)) {
1063                 win = dev_drv->win[win_id];
1064         } else {
1065                 dev_err(dev_drv->dev,"invalid win number:%d!\n", win_id);
1066                 return 0;
1067         }
1068
1069         size = snprintf(buf, PAGE_SIZE, "win%d: %s\n", win_id, get_format_string(win->format, fmt));
1070         size += snprintf(buf + size, PAGE_SIZE - size, "        xact %d yact %d xvir %d yvir %d\n",
1071                 win->area[0].xact, win->area[0].yact, win->area[0].xvir, win->area[0].yvir);
1072         size += snprintf(buf + size, PAGE_SIZE - size, "        xpos %d ypos %d xsize %d ysize %d\n",
1073                 win->area[0].xpos, win->area[0].ypos, win->area[0].xsize, win->area[0].ysize);
1074         size += snprintf(buf + size, PAGE_SIZE - size, "        yaddr 0x%x uvaddr 0x%x\n",
1075                 win->area[0].y_addr, win->area[0].uv_addr);
1076         return size;
1077 }
1078
1079 static int rk3036_lcdc_reg_dump(struct rk_lcdc_driver *dev_drv)
1080 {
1081         struct lcdc_device *lcdc_dev = container_of(dev_drv,
1082                                                 struct lcdc_device,
1083                                                 driver);
1084         int *cbase = (int *)lcdc_dev->regs;
1085         int *regsbak = (int *)lcdc_dev->regsbak;
1086         int i, j;
1087
1088         printk("back up reg:\n");
1089         for (i = 0; i <= (0x90 >> 4); i++) {
1090                 for (j = 0; j < 4; j++)
1091                         printk("%08x  ", *(regsbak + i * 4 + j));
1092                 printk("\n");
1093         }
1094
1095         printk("lcdc reg:\n");
1096         for (i = 0; i <= (0x90 >> 4); i++) {
1097                 for (j = 0; j < 4; j++)
1098                         printk("%08x  ", readl_relaxed(cbase + i * 4 + j));
1099                 printk("\n");
1100         }
1101         return 0;
1102 }
1103
1104 static struct rk_lcdc_drv_ops lcdc_drv_ops = {
1105         .open                   = rk3036_lcdc_open,
1106         .load_screen            = rk3036_load_screen,
1107         .set_par                = rk3036_lcdc_set_par,
1108         .pan_display            = rk3036_lcdc_pan_display,
1109         .blank                  = rk3036_lcdc_blank,
1110         .ioctl                  = rk3036_lcdc_ioctl,
1111         .get_win_state          = rk3036_lcdc_get_win_state,
1112         .ovl_mgr                = rk3036_lcdc_ovl_mgr,
1113         .get_disp_info          = rk3036_lcdc_get_disp_info,
1114         .fps_mgr                = rk3036_lcdc_fps_mgr,
1115         .fb_get_win_id          = rk3036_lcdc_get_win_id,
1116         .fb_win_remap           = rk3036_fb_win_remap,
1117         .poll_vblank            = rk3036_lcdc_poll_vblank,
1118         .get_dsp_addr           = rk3036_lcdc_get_dsp_addr,
1119         .cfg_done               = rk3036_lcdc_cfg_done,
1120         .dump_reg               = rk3036_lcdc_reg_dump,
1121         .set_dsp_bcsh_hue       = rk3036_lcdc_set_bcsh_hue,
1122         .set_dsp_bcsh_bcs       = rk3036_lcdc_set_bcsh_bcs,
1123         .get_dsp_bcsh_hue       = rk3036_lcdc_get_bcsh_hue,
1124         .get_dsp_bcsh_bcs       = rk3036_lcdc_get_bcsh_bcs,
1125         .open_bcsh              = rk3036_lcdc_open_bcsh,
1126 };
1127
1128 static int rk3036_lcdc_probe(struct platform_device *pdev)
1129 {
1130         struct lcdc_device *lcdc_dev = NULL;
1131         struct rk_lcdc_driver *dev_drv;
1132         struct device *dev = &pdev->dev;
1133         struct resource *res;
1134         int ret;
1135
1136         lcdc_dev = devm_kzalloc(dev,
1137                                 sizeof(struct lcdc_device), GFP_KERNEL);
1138         if (!lcdc_dev) {
1139                 dev_err(&pdev->dev, "rk3036 lcdc device kmalloc fail!");
1140                 return -ENOMEM;
1141         }
1142         platform_set_drvdata(pdev, lcdc_dev);
1143         lcdc_dev->dev = dev;
1144
1145         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1146         lcdc_dev->reg_phy_base = res->start;
1147         lcdc_dev->len = resource_size(res);
1148         lcdc_dev->regs = devm_ioremap_resource(dev, res);
1149         if (IS_ERR(lcdc_dev->regs))
1150                 return PTR_ERR(lcdc_dev->regs);
1151
1152         lcdc_dev->regsbak = devm_kzalloc(dev, lcdc_dev->len, GFP_KERNEL);
1153         if (IS_ERR(lcdc_dev->regsbak))
1154                 return PTR_ERR(lcdc_dev->regsbak);
1155
1156         dev_set_name(lcdc_dev->dev, "lcdc%d", lcdc_dev->id);
1157         dev_drv = &lcdc_dev->driver;
1158         dev_drv->dev = dev;
1159         dev_drv->prop = 0;
1160         dev_drv->id = lcdc_dev->id;
1161         dev_drv->ops = &lcdc_drv_ops;
1162         dev_drv->lcdc_win_num = ARRAY_SIZE(lcdc_win);
1163         spin_lock_init(&lcdc_dev->reg_lock);
1164
1165         lcdc_dev->irq = platform_get_irq(pdev, 0);
1166         if (lcdc_dev->irq < 0) {
1167                 dev_err(&pdev->dev, "cannot find IRQ for lcdc%d\n",
1168                         lcdc_dev->id);
1169                 return -ENXIO;
1170         }
1171
1172         ret = devm_request_irq(dev, lcdc_dev->irq, rk3036_lcdc_isr,
1173                                IRQF_DISABLED, dev_name(dev), lcdc_dev);
1174         if (ret) {
1175                 dev_err(&pdev->dev, "cannot requeset irq %d - err %d\n",
1176                         lcdc_dev->irq, ret);
1177                 return ret;
1178         }
1179
1180         ret = rk_fb_register(dev_drv, lcdc_win, lcdc_dev->id);
1181         if (ret < 0) {
1182                 dev_err(dev, "register fb for lcdc%d failed!\n", lcdc_dev->id);
1183                 return ret;
1184         }
1185         lcdc_dev->screen = dev_drv->screen0;
1186
1187         dev_info(dev, "lcdc%d probe ok\n", lcdc_dev->id);
1188         return 0;
1189 }
1190
1191 #if defined(CONFIG_PM)
1192 static int rk3036_lcdc_suspend(struct platform_device *pdev, pm_message_t state)
1193 {
1194         return 0;
1195 }
1196
1197 static int rk3036_lcdc_resume(struct platform_device *pdev)
1198 {
1199         return 0;
1200 }
1201 #else
1202 #define rk3036_lcdc_suspend NULL
1203 #define rk3036_lcdc_resume  NULL
1204 #endif
1205
1206 static int rk3036_lcdc_remove(struct platform_device *pdev)
1207 {
1208         return 0;
1209 }
1210
1211 static void rk3036_lcdc_shutdown(struct platform_device *pdev)
1212 {
1213
1214 }
1215
1216 #if defined(CONFIG_OF)
1217 static const struct of_device_id rk3036_lcdc_dt_ids[] = {
1218         {.compatible = "rockchip,rk3036-lcdc",},
1219         {}
1220 };
1221 #endif
1222
1223 static struct platform_driver rk3036_lcdc_driver = {
1224         .probe = rk3036_lcdc_probe,
1225         .remove = rk3036_lcdc_remove,
1226         .driver = {
1227                 .name = "rk3036-lcdc",
1228                 .owner = THIS_MODULE,
1229                 .of_match_table = of_match_ptr(rk3036_lcdc_dt_ids),
1230         },
1231         .suspend = rk3036_lcdc_suspend,
1232         .resume = rk3036_lcdc_resume,
1233         .shutdown = rk3036_lcdc_shutdown,
1234 };
1235
1236 static int __init rk3036_lcdc_module_init(void)
1237 {
1238         return platform_driver_register(&rk3036_lcdc_driver);
1239 }
1240
1241 static void __exit rk3036_lcdc_module_exit(void)
1242 {
1243         platform_driver_unregister(&rk3036_lcdc_driver);
1244 }
1245
1246 fs_initcall(rk3036_lcdc_module_init);
1247 module_exit(rk3036_lcdc_module_exit);