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 #if defined(CONFIG_ION_ROCKCHIP)
  37 #include <linux/rockchip/iovmm.h>
  38 #include <linux/rockchip/sysmmu.h>
  39 #endif
  40 #include "rk3036_lcdc.h"
  41
  42 static int dbg_thresd;
  43 module_param(dbg_thresd, int, S_IRUGO | S_IWUSR);
  44
  45 #define DBG(level, x...) do {                   \
  46         if (unlikely(dbg_thresd >= level))      \
  47                 printk(KERN_INFO x); } while (0)
  48
  49 static struct rk_lcdc_win lcdc_win[] = {
  50         [0] = {
  51                .name = "win0",
  52                .id = 0,
  53                .support_3d = false,
  54                },
  55         [1] = {
  56                .name = "win1",
  57                .id = 1,
  58                .support_3d = false,
  59                },
  60         [2] = {
  61                .name = "hwc",
  62                .id = 2,
  63                .support_3d = false,
  64                },
  65 };
  66
  67 static irqreturn_t rk3036_lcdc_isr(int irq, void *dev_id)
  68 {
  69         struct lcdc_device *lcdc_dev =
  70             (struct lcdc_device *)dev_id;
  71         ktime_t timestamp = ktime_get();
  72         u32 int_reg = lcdc_readl(lcdc_dev, INT_STATUS);
  73
  74         if (int_reg & m_FS_INT_STA) {
  75                 timestamp = ktime_get();
  76                 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_FS_INT_CLEAR,
  77                              v_FS_INT_CLEAR(1));
  78                 //if (lcdc_dev->driver.wait_fs) {
  79                 if (0) {
  80                         spin_lock(&(lcdc_dev->driver.cpl_lock));
  81                         complete(&(lcdc_dev->driver.frame_done));
  82                         spin_unlock(&(lcdc_dev->driver.cpl_lock));
  83                 }
  84                 lcdc_dev->driver.vsync_info.timestamp = timestamp;
  85                 wake_up_interruptible_all(&lcdc_dev->driver.vsync_info.wait);
  86
  87         } else if (int_reg & m_LF_INT_STA) {
  88                 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_LF_INT_CLEAR,
  89                              v_LF_INT_CLEAR(1));
  90         }
  91         return IRQ_HANDLED;
  92 }
  93
  94 static int rk3036_lcdc_clk_enable(struct lcdc_device *lcdc_dev)
  95 {
  96 #ifdef CONFIG_RK_FPGA
  97         lcdc_dev->clk_on = 1;
  98         return 0;
  99 #endif
 100         if (!lcdc_dev->clk_on) {
 101                 clk_prepare_enable(lcdc_dev->hclk);
 102                 clk_prepare_enable(lcdc_dev->dclk);
 103                 clk_prepare_enable(lcdc_dev->aclk);
 104 //              clk_prepare_enable(lcdc_dev->pd);
 105                 spin_lock(&lcdc_dev->reg_lock);
 106                 lcdc_dev->clk_on = 1;
 107                 spin_unlock(&lcdc_dev->reg_lock);
 108         }
 109
 110         return 0;
 111 }
 112
 113 static int rk3036_lcdc_clk_disable(struct lcdc_device *lcdc_dev)
 114 {
 115 #ifdef CONFIG_RK_FPGA
 116         lcdc_dev->clk_on = 0;
 117         return 0;
 118 #endif
 119         if (lcdc_dev->clk_on) {
 120                 spin_lock(&lcdc_dev->reg_lock);
 121                 lcdc_dev->clk_on = 0;
 122                 spin_unlock(&lcdc_dev->reg_lock);
 123                 mdelay(25);
 124                 clk_disable_unprepare(lcdc_dev->dclk);
 125                 clk_disable_unprepare(lcdc_dev->hclk);
 126                 clk_disable_unprepare(lcdc_dev->aclk);
 127 //              clk_disable_unprepare(lcdc_dev->pd);
 128         }
 129
 130         return 0;
 131 }
 132
 133 static int rk3036_lcdc_enable_irq(struct rk_lcdc_driver *dev_drv)
 134 {
 135         u32 mask, val;
 136         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 137                                         struct lcdc_device, driver);
 138         mask = m_FS_INT_CLEAR |m_FS_INT_EN;
 139         val = v_FS_INT_CLEAR(1) | v_FS_INT_EN(1);
 140         lcdc_msk_reg(lcdc_dev, INT_STATUS, mask, val);
 141         return 0;
 142 }
 143
 144 static int rk3036_lcdc_disable_irq(struct lcdc_device *lcdc_dev)
 145 {
 146         u32 mask, val;
 147         spin_lock(&lcdc_dev->reg_lock);
 148         if (likely(lcdc_dev->clk_on)) {
 149                 mask = m_FS_INT_CLEAR |m_FS_INT_EN;
 150                 val = v_FS_INT_CLEAR(0) | v_FS_INT_EN(0);
 151                 lcdc_msk_reg(lcdc_dev, INT_STATUS, mask, val);
 152                 spin_unlock(&lcdc_dev->reg_lock);
 153         } else {
 154                 spin_unlock(&lcdc_dev->reg_lock);
 155         }
 156         mdelay(1);
 157         return 0;
 158 }
 159
 160 static void rk_lcdc_read_reg_defalut_cfg(struct lcdc_device
 161                                              *lcdc_dev)
 162 {
 163         int reg = 0;
 164         u32 value = 0;
 165
 166         spin_lock(&lcdc_dev->reg_lock);
 167         for (reg = 0; reg < 0xdc; reg += 4) {
 168                 value = lcdc_readl(lcdc_dev, reg);
 169         }
 170         spin_unlock(&lcdc_dev->reg_lock);
 171 }
 172
 173 static int rk3036_lcdc_alpha_cfg(struct lcdc_device *lcdc_dev)
 174 {
 175         return 0;
 176 }
 177
 178 static void lcdc_layer_update_regs(struct lcdc_device *lcdc_dev, struct rk_lcdc_win *win) {
 179
 180         u32 mask, val;
 181
 182         if(win->state == 1){
 183                 if(win->id == 0) {
 184                         mask = m_WIN0_EN | m_WIN0_FORMAT | m_WIN0_RB_SWAP;
 185                         val = v_WIN0_EN(win->state) | v_WIN0_FORMAT(win->fmt_cfg) | v_WIN0_RB_SWAP(win->swap_rb);
 186                         lcdc_msk_reg(lcdc_dev, SYS_CTRL, mask, val);
 187
 188                         lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_YRGB,
 189                             v_X_SCL_FACTOR(win->scale_yrgb_x) |
 190                             v_Y_SCL_FACTOR(win->scale_yrgb_y));
 191                         lcdc_writel(lcdc_dev, WIN0_SCL_FACTOR_CBR,
 192                             v_X_SCL_FACTOR(win->scale_cbcr_x) |
 193                             v_Y_SCL_FACTOR(win->scale_cbcr_y));
 194
 195                         lcdc_msk_reg(lcdc_dev, WIN0_VIR, m_YRGB_VIR | m_CBBR_VIR,
 196                              v_YRGB_VIR(win->area[0].y_vir_stride) | v_YRGB_VIR(win->area[0].uv_vir_stride));
 197                         lcdc_writel(lcdc_dev, WIN0_ACT_INFO, v_ACT_WIDTH(win->area[0].xact) |
 198                                 v_ACT_HEIGHT(win->area[0].yact));
 199                         lcdc_writel(lcdc_dev, WIN0_DSP_ST, v_DSP_STX(win->area[0].dsp_stx) |
 200                                 v_DSP_STY(win->area[0].dsp_sty));
 201                         lcdc_writel(lcdc_dev, WIN0_DSP_INFO, v_DSP_WIDTH(win->area[0].xsize) |
 202                             v_DSP_HEIGHT(win->area[0].ysize));
 203
 204                         lcdc_writel(lcdc_dev, WIN0_YRGB_MST, win->area[0].y_addr);
 205                         lcdc_writel(lcdc_dev, WIN0_CBR_MST, win->area[0].uv_addr);
 206                 }
 207                 else if(win->id == 1) {
 208                         mask = m_WIN1_EN | m_WIN1_FORMAT | m_WIN1_RB_SWAP;
 209                         val = v_WIN1_EN(win->state) | v_WIN1_FORMAT(win->fmt_cfg) | v_WIN1_RB_SWAP(win->swap_rb);
 210                         lcdc_msk_reg(lcdc_dev, SYS_CTRL, mask, val);
 211
 212                         lcdc_writel(lcdc_dev, WIN1_SCL_FACTOR_YRGB,
 213                             v_X_SCL_FACTOR(win->scale_yrgb_x) |
 214                             v_Y_SCL_FACTOR(win->scale_yrgb_y));
 215
 216                         lcdc_msk_reg(lcdc_dev, WIN1_VIR, m_YRGB_VIR, v_YRGB_VIR(win->area[0].y_vir_stride));
 217                         lcdc_writel(lcdc_dev, WIN1_ACT_INFO, v_ACT_WIDTH(win->area[0].xact) |
 218                                 v_ACT_HEIGHT(win->area[0].yact));
 219                         lcdc_writel(lcdc_dev, WIN1_DSP_INFO, v_DSP_WIDTH(win->area[0].xsize) |
 220                             v_DSP_HEIGHT(win->area[0].ysize));
 221                         lcdc_writel(lcdc_dev, WIN1_DSP_ST, v_DSP_STX(win->area[0].dsp_stx) |
 222                             v_DSP_STY(win->area[0].dsp_sty));
 223
 224                         lcdc_writel(lcdc_dev, WIN1_MST, win->area[0].y_addr);
 225
 226                 }
 227                 else if(win->id == 2) {
 228                 }
 229         }else{
 230                 win->area[0].y_addr = 0;
 231                 win->area[0].uv_addr = 0;
 232                 if(win->id == 0) {
 233                         lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN0_EN, v_WIN0_EN(0));
 234                 }
 235                 else if(win->id == 1)
 236                         lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_WIN1_EN, v_WIN1_EN(0));
 237                 else if(win->id == 2)
 238                         lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_HWC_EN, v_HWC_EN(0));
 239         }
 240 }
 241
 242 static void lcdc_layer_enable(struct lcdc_device *lcdc_dev, unsigned int win_id, bool open)
 243 {
 244         spin_lock(&lcdc_dev->reg_lock);
 245         if (likely(lcdc_dev->clk_on) && lcdc_dev->driver.win[win_id]->state != open) {
 246                 if (open) {
 247                         if (!lcdc_dev->atv_layer_cnt) {
 248                                 dev_info(lcdc_dev->dev, "wakeup from standby!\n");
 249                                 lcdc_dev->standby = 0;
 250                         }
 251                         lcdc_dev->atv_layer_cnt++;
 252                 } else if ((lcdc_dev->atv_layer_cnt > 0) && (!open)) {
 253                         lcdc_dev->atv_layer_cnt--;
 254                 }
 255                 lcdc_dev->driver.win[win_id]->state = open;
 256                 if(!open) {
 257                         lcdc_layer_update_regs(lcdc_dev, lcdc_dev->driver.win[win_id]);
 258                         lcdc_cfg_done(lcdc_dev);
 259                 }
 260                 /*if no layer used,disable lcdc*/
 261                 if (!lcdc_dev->atv_layer_cnt) {
 262                         dev_info(lcdc_dev->dev, "no layer is used,go to standby!\n");
 263                         lcdc_dev->standby = 1;
 264                 }
 265         }
 266         spin_unlock(&lcdc_dev->reg_lock);
 267 }
 268
 269 static int rk3036_lcdc_reg_update(struct rk_lcdc_driver *dev_drv)
 270 {
 271         struct lcdc_device *lcdc_dev =
 272             container_of(dev_drv, struct lcdc_device, driver);
 273         struct rk_lcdc_win *win0 = lcdc_dev->driver.win[0];
 274         struct rk_lcdc_win *win1 = lcdc_dev->driver.win[1];
 275         int timeout;
 276         unsigned long flags;
 277         spin_lock(&lcdc_dev->reg_lock);
 278         if (likely(lcdc_dev->clk_on)) {
 279                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
 280                              v_LCDC_STANDBY(lcdc_dev->standby));
 281                 lcdc_layer_update_regs(lcdc_dev, win0);
 282                 lcdc_layer_update_regs(lcdc_dev, win1);
 283                 rk3036_lcdc_alpha_cfg(lcdc_dev);
 284                 lcdc_cfg_done(lcdc_dev);
 285
 286         }
 287         spin_unlock(&lcdc_dev->reg_lock);
 288         //if (dev_drv->wait_fs) {
 289         if (0) {
 290                 spin_lock_irqsave(&dev_drv->cpl_lock, flags);
 291                 init_completion(&dev_drv->frame_done);
 292                 spin_unlock_irqrestore(&dev_drv->cpl_lock, flags);
 293                 timeout = wait_for_completion_timeout(&dev_drv->frame_done,
 294                                                       msecs_to_jiffies
 295                                                       (dev_drv->cur_screen->ft +
 296                                                        5));
 297                 if (!timeout && (!dev_drv->frame_done.done)) {
 298                         dev_warn(lcdc_dev->dev, "wait for new frame start time out!\n");
 299                         return -ETIMEDOUT;
 300                 }
 301         }
 302         DBG(2, "%s for lcdc%d\n", __func__, lcdc_dev->id);
 303         return 0;
 304
 305 }
 306
 307 static void rk3036_lcdc_reg_restore(struct lcdc_device *lcdc_dev)
 308 {
 309         memcpy((u8 *) lcdc_dev->regs, (u8 *) lcdc_dev->regsbak, 0xdc);
 310 }
 311
 312 static void rk3036_lcdc_mmu_en(struct rk_lcdc_driver *dev_drv)
 313 {
 314         u32 mask,val;
 315         struct lcdc_device *lcdc_dev =
 316             container_of(dev_drv, struct lcdc_device, driver);
 317         spin_lock(&lcdc_dev->reg_lock);
 318         if (likely(lcdc_dev->clk_on)) {
 319                 mask = m_MMU_EN | m_AXI_MAX_OUTSTANDING_EN | m_AXI_OUTSTANDING_MAX_NUM;;
 320                 val = v_MMU_EN(1) | v_AXI_OUTSTANDING_MAX_NUM(31) | v_AXI_MAX_OUTSTANDING_EN(1);
 321                 lcdc_msk_reg(lcdc_dev, AXI_BUS_CTRL, mask, val);
 322         }
 323         spin_unlock(&lcdc_dev->reg_lock);
 324 }
 325
 326 static int rk3036_lcdc_set_dclk(struct rk_lcdc_driver *dev_drv)
 327 {
 328 #ifdef CONFIG_RK_FPGA
 329         return 0;
 330 #endif
 331         int ret,fps;
 332         struct lcdc_device *lcdc_dev =
 333             container_of(dev_drv, struct lcdc_device, driver);
 334         struct rk_screen *screen = dev_drv->cur_screen;
 335
 336         ret = clk_set_rate(lcdc_dev->dclk, screen->mode.pixclock);
 337         if (ret)
 338                 dev_err(dev_drv->dev, "set lcdc%d dclk failed\n", lcdc_dev->id);
 339         lcdc_dev->pixclock =
 340                  div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
 341         lcdc_dev->driver.pixclock = lcdc_dev->pixclock;
 342
 343         fps = rk_fb_calc_fps(screen, lcdc_dev->pixclock);
 344         screen->ft = 1000 / fps;
 345         dev_info(lcdc_dev->dev, "%s: dclk:%lu>>fps:%d ",
 346                  lcdc_dev->driver.name, clk_get_rate(lcdc_dev->dclk), fps);
 347         return 0;
 348
 349 }
 350
 351 /********do basic init*********/
 352 static int rk3036_lcdc_pre_init(struct rk_lcdc_driver *dev_drv)
 353 {
 354         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 355                                 struct lcdc_device, driver);
 356         if (lcdc_dev->pre_init)
 357                 return 0;
 358
 359         lcdc_dev->hclk = devm_clk_get(lcdc_dev->dev, "hclk_lcdc");
 360         lcdc_dev->aclk = devm_clk_get(lcdc_dev->dev, "aclk_lcdc");
 361         lcdc_dev->dclk = devm_clk_get(lcdc_dev->dev, "dclk_lcdc");
 362 //      lcdc_dev->pd   = devm_clk_get(lcdc_dev->dev, "pd_lcdc");
 363
 364         if (/*IS_ERR(lcdc_dev->pd) ||*/ (IS_ERR(lcdc_dev->aclk)) ||
 365             (IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk))) {
 366                 dev_err(lcdc_dev->dev, "failed to get lcdc%d clk source\n",
 367                         lcdc_dev->id);
 368         }
 369
 370         rk_disp_pwr_enable(dev_drv);
 371         rk3036_lcdc_clk_enable(lcdc_dev);
 372
 373         /*backup reg config at uboot*/
 374         rk_lcdc_read_reg_defalut_cfg(lcdc_dev);
 375         lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_AUTO_GATING_EN,v_AUTO_GATING_EN(0));
 376         lcdc_cfg_done(lcdc_dev);
 377         if (dev_drv->iommu_enabled) /*disable win0 to workaround iommu pagefault*/
 378                 lcdc_layer_enable(lcdc_dev, 0, 0);
 379         lcdc_dev->pre_init = true;
 380
 381         return 0;
 382 }
 383
 384 static int rk3036_load_screen(struct rk_lcdc_driver *dev_drv, bool initscreen)
 385 {
 386         int ret = -EINVAL;
 387         int fps;
 388         u16 face = 0;
 389         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 390                                                 struct lcdc_device, driver);
 391         struct rk_screen *screen = dev_drv->cur_screen;
 392         u16 right_margin = screen->mode.right_margin;
 393         u16 left_margin = screen->mode.left_margin;
 394         u16 lower_margin = screen->mode.lower_margin;
 395         u16 upper_margin = screen->mode.upper_margin;
 396         u16 x_res = screen->mode.xres;
 397         u16 y_res = screen->mode.yres;
 398         u32 mask, val;
 399
 400         spin_lock(&lcdc_dev->reg_lock);
 401         if (likely(lcdc_dev->clk_on)) {
 402                 switch (screen->type) {
 403                 case SCREEN_HDMI:
 404                         mask = m_HDMI_DCLK_EN;
 405                         val = v_HDMI_DCLK_EN(1);
 406                         if(screen->pixelrepeat) {
 407                                 mask |= m_CORE_CLK_DIV_EN;
 408                                 val |= v_CORE_CLK_DIV_EN(1);
 409                         }
 410                         lcdc_msk_reg(lcdc_dev, AXI_BUS_CTRL, mask, val);
 411                         break;
 412                 case SCREEN_TVOUT:
 413                         mask = m_TVE_DAC_DCLK_EN;
 414                         val = v_TVE_DAC_DCLK_EN(1);
 415                         if(screen->pixelrepeat) {
 416                                 mask |= m_CORE_CLK_DIV_EN;
 417                                 val |= v_CORE_CLK_DIV_EN(1);
 418                         }
 419                         lcdc_msk_reg(lcdc_dev, AXI_BUS_CTRL, mask, val);
 420                         if(x_res == 720 && y_res == 576)
 421                                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_TVE_MODE, v_TVE_MODE(TV_PAL));
 422                         else if(x_res == 720 && y_res == 480)
 423                                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_TVE_MODE, v_TVE_MODE(TV_NTSC));
 424                         else {
 425                                 dev_err(lcdc_dev->dev, "unsupported video timing!\n");
 426                                 return -1;
 427                         }
 428                         break;
 429                 default:
 430                         dev_err(lcdc_dev->dev, "un supported interface!\n");
 431                         break;
 432                 }
 433
 434                 mask = m_DSP_OUT_FORMAT | m_HSYNC_POL | m_VSYNC_POL |
 435                     m_DEN_POL | m_DCLK_POL;
 436                 val = v_DSP_OUT_FORMAT(face) | v_HSYNC_POL(screen->pin_hsync) |
 437                     v_VSYNC_POL(screen->pin_vsync) | v_DEN_POL(screen->pin_den) |
 438                     v_DCLK_POL(screen->pin_dclk);
 439                 lcdc_msk_reg(lcdc_dev, DSP_CTRL0, mask, val);
 440
 441                 mask = m_BG_COLOR | m_DSP_BG_SWAP | m_DSP_RB_SWAP |
 442                     m_DSP_RG_SWAP | m_DSP_DELTA_SWAP |
 443                     m_DSP_DUMMY_SWAP | m_BLANK_EN;
 444
 445                 val = v_BG_COLOR(0x000000) | v_DSP_BG_SWAP(screen->swap_gb) |
 446                     v_DSP_RB_SWAP(screen->swap_rb) | v_DSP_RG_SWAP(screen->
 447                                                                    swap_rg) |
 448                     v_DSP_DELTA_SWAP(screen->
 449                                      swap_delta) | v_DSP_DUMMY_SWAP(screen->
 450                                                                     swap_dumy) |
 451                     v_BLANK_EN(0) | v_BLACK_EN(0);
 452                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, mask, val);
 453                 val =
 454                     v_HSYNC(screen->mode.hsync_len) | v_HORPRD(screen->mode.
 455                                                                hsync_len +
 456                                                                left_margin +
 457                                                                x_res +
 458                                                                right_margin);
 459                 lcdc_writel(lcdc_dev, DSP_HTOTAL_HS_END, val);
 460                 val = v_HAEP(screen->mode.hsync_len + left_margin + x_res) |
 461                     v_HASP(screen->mode.hsync_len + left_margin);
 462                 lcdc_writel(lcdc_dev, DSP_HACT_ST_END, val);
 463
 464                 if(screen->mode.vmode == FB_VMODE_INTERLACED) {
 465                         //First Field Timing
 466                         lcdc_writel(lcdc_dev, DSP_VTOTAL_VS_END, v_VSYNC(screen->mode.vsync_len) |
 467                                     v_VERPRD(2 * (screen->mode.vsync_len + upper_margin + lower_margin) + y_res + 1));
 468                         lcdc_writel(lcdc_dev,DSP_VACT_ST_END,v_VAEP(screen->mode.vsync_len + upper_margin + y_res/2)|
 469                                     v_VASP(screen->mode.vsync_len + upper_margin));
 470                         //Second Field Timing
 471                         lcdc_writel(lcdc_dev, DSP_VS_ST_END_F1, v_VSYNC_ST_F1(screen->mode.vsync_len + upper_margin + y_res/2 + lower_margin) |
 472                                     v_VSYNC_END_F1(2 * screen->mode.vsync_len + upper_margin + y_res/2 + lower_margin));
 473                         lcdc_writel(lcdc_dev,DSP_VACT_ST_END_F1,v_VAEP(2 * (screen->mode.vsync_len + upper_margin) + y_res + lower_margin + 1)|
 474                                     v_VASP(2 * (screen->mode.vsync_len + upper_margin) + y_res/2 + lower_margin + 1));
 475
 476                         lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_INTERLACE_DSP_EN | m_WIN1_DIFF_DCLK_EN | m_WIN0_YRGB_DEFLICK_EN | m_WIN0_CBR_DEFLICK_EN,
 477                                 v_INTERLACE_DSP_EN(1) | v_WIN1_DIFF_DCLK_EN(1) | v_WIN0_YRGB_DEFLICK_EN(1) | v_WIN0_CBR_DEFLICK_EN(1) );
 478                 } else {
 479                         val = v_VSYNC(screen->mode.vsync_len) |
 480                               v_VERPRD(screen->mode.vsync_len + upper_margin +
 481                                         y_res + lower_margin);
 482                         lcdc_writel(lcdc_dev, DSP_VTOTAL_VS_END, val);
 483
 484                         val = v_VAEP(screen->mode.vsync_len + upper_margin + y_res) |
 485                             v_VASP(screen->mode.vsync_len + screen->mode.upper_margin);
 486                         lcdc_writel(lcdc_dev, DSP_VACT_ST_END, val);
 487
 488                         lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_INTERLACE_DSP_EN | m_WIN1_DIFF_DCLK_EN | m_WIN0_YRGB_DEFLICK_EN | m_WIN0_CBR_DEFLICK_EN,
 489                                 v_INTERLACE_DSP_EN(0) | v_WIN1_DIFF_DCLK_EN(0) | v_WIN0_YRGB_DEFLICK_EN(0) | v_WIN0_CBR_DEFLICK_EN(0) );
 490                 }
 491
 492         }
 493         spin_unlock(&lcdc_dev->reg_lock);
 494
 495         ret = clk_set_rate(lcdc_dev->dclk, screen->mode.pixclock);
 496         if (ret)
 497                 dev_err(dev_drv->dev, "set lcdc%d dclk failed\n", lcdc_dev->id);
 498         lcdc_dev->pixclock =
 499             div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
 500         lcdc_dev->driver.pixclock = lcdc_dev->pixclock;
 501
 502         fps = rk_fb_calc_fps(screen, lcdc_dev->pixclock);
 503         screen->ft = 1000 / fps;
 504         dev_info(lcdc_dev->dev, "%s: dclk:%lu>>fps:%d ",
 505                  lcdc_dev->driver.name, clk_get_rate(lcdc_dev->dclk), fps);
 506         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
 507                 dev_drv->trsm_ops->enable();
 508         if (screen->init)
 509                 screen->init();
 510
 511         return 0;
 512 }
 513
 514 static int rk3036_lcdc_open(struct rk_lcdc_driver *dev_drv, int win_id,
 515                             bool open)
 516 {
 517         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 518                                         struct lcdc_device, driver);
 519
 520         /*enable clk,when first layer open */
 521         if ((open) && (!lcdc_dev->atv_layer_cnt)) {
 522                 rk3036_lcdc_pre_init(dev_drv);
 523                 rk3036_lcdc_clk_enable(lcdc_dev);
 524                 #if defined(CONFIG_ROCKCHIP_IOMMU)
 525                 if(dev_drv->iommu_enabled) {
 526                         if(!dev_drv->mmu_dev) {
 527                                 dev_drv->mmu_dev = rockchip_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
 528                                 if (dev_drv->mmu_dev)
 529                                         platform_set_sysmmu(dev_drv->mmu_dev, dev_drv->dev);
 530                                 else {
 531                                         dev_err(dev_drv->dev, "failed to get rockchip iommu device\n");
 532                                         return -1;
 533                                 }
 534                         }
 535                         iovmm_activate(dev_drv->dev);
 536                 }
 537                 #endif
 538                 rk3036_lcdc_reg_restore(lcdc_dev);
 539                 if (dev_drv->iommu_enabled)
 540                         rk3036_lcdc_mmu_en(dev_drv);
 541                 if ((support_uboot_display()&&(lcdc_dev->prop == PRMRY))) {
 542                         rk3036_lcdc_set_dclk(dev_drv);
 543                         rk3036_lcdc_enable_irq(dev_drv);
 544                 } else {
 545                         rk3036_load_screen(dev_drv, 1);
 546                 }
 547         }
 548
 549         if(win_id < ARRAY_SIZE(lcdc_win)) {
 550                 lcdc_layer_enable(lcdc_dev, win_id, open);
 551         }
 552         else
 553                 dev_err(lcdc_dev->dev, "invalid win id:%d\n", win_id);
 554
 555         /*when all layer closed,disable clk */
 556         if ((!open) && (!lcdc_dev->atv_layer_cnt)) {
 557                 rk3036_lcdc_disable_irq(lcdc_dev);
 558                 rk3036_lcdc_reg_update(dev_drv);
 559                 #if defined(CONFIG_ROCKCHIP_IOMMU)
 560                 if (dev_drv->iommu_enabled) {
 561 //                      for (reg = MMU_DTE_ADDR; reg <= MMU_AUTO_GATING; reg +=4)
 562 //                      lcdc_readl(lcdc_dev, reg);
 563                         if(dev_drv->mmu_dev)
 564                                 iovmm_deactivate(dev_drv->dev);
 565                 }
 566                 #endif
 567                 rk3036_lcdc_clk_disable(lcdc_dev);
 568         }
 569
 570         return 0;
 571 }
 572
 573 static int rk3036_lcdc_set_par(struct rk_lcdc_driver *dev_drv,int win_id)
 574 {
 575         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 576                                                 struct lcdc_device, driver);
 577         struct rk_screen *screen = dev_drv->cur_screen;
 578         struct rk_lcdc_win *win = NULL;
 579         char fmt[9] = "NULL";
 580
 581         if (!screen) {
 582                 dev_err(dev_drv->dev, "screen is null!\n");
 583                 return -ENOENT;
 584         }
 585
 586         if (win_id == 0) {
 587                 win = dev_drv->win[0];
 588         } else if (win_id == 1) {
 589                 win = dev_drv->win[1];
 590         } else {
 591                 dev_err(dev_drv->dev, "un supported win number:%d\n", win_id);
 592                 return -EINVAL;
 593         }
 594
 595         spin_lock(&lcdc_dev->reg_lock);
 596         win->area[0].dsp_stx = win->area[0].xpos + screen->mode.left_margin + screen->mode.hsync_len;
 597         if (screen->mode.vmode == FB_VMODE_INTERLACED) {
 598                 win->area[0].ysize /= 2;
 599                 win->area[0].dsp_sty = win->area[0].ypos/2+screen->mode.upper_margin + screen->mode.vsync_len;
 600         } else {
 601                 win->area[0].dsp_sty = win->area[0].ypos + screen->mode.upper_margin + screen->mode.vsync_len;
 602         }
 603         win->scale_yrgb_x = CalScale(win->area[0].xact, win->area[0].xsize);
 604         win->scale_yrgb_y = CalScale(win->area[0].yact, win->area[0].ysize);
 605         switch (win->format) {
 606                 case ARGB888:
 607                         win->fmt_cfg = VOP_FORMAT_ARGB888;
 608                         win->swap_rb = 0;
 609                         break;
 610                 case XBGR888:
 611                         win->fmt_cfg = VOP_FORMAT_ARGB888;
 612                         win->swap_rb = 1;
 613                         break;
 614                 case ABGR888:
 615                         win->fmt_cfg = VOP_FORMAT_ARGB888;
 616                         win->swap_rb = 1;
 617                         break;
 618                 case RGB888:
 619                         win->fmt_cfg = VOP_FORMAT_RGB888;
 620                         win->swap_rb = 0;
 621                         break;
 622                 case RGB565:
 623                         win->fmt_cfg = VOP_FORMAT_RGB565;
 624                         win->swap_rb = 0;
 625                         break;
 626                 case YUV444:
 627                         if(win_id == 0) {
 628                                 win->fmt_cfg = VOP_FORMAT_YCBCR444;
 629                                 win->scale_cbcr_x = CalScale(win->area[0].xact, win->area[0].xsize);
 630                                 win->scale_cbcr_y = CalScale(win->area[0].yact, win->area[0].ysize);
 631                                 win->swap_rb = 0;
 632                         } else {
 633                                 dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
 634                                 __func__);
 635                         }
 636                         break;
 637                 case YUV422:
 638                         if(win_id == 0) {
 639                                 win->fmt_cfg = VOP_FORMAT_YCBCR422;
 640                                 win->scale_cbcr_x = CalScale((win->area[0].xact / 2), win->area[0].xsize);
 641                                 win->scale_cbcr_y = CalScale(win->area[0].yact, win->area[0].ysize);
 642                                 win->swap_rb = 0;
 643                         } else {
 644                                 dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
 645                                 __func__);
 646                         }
 647                         break;
 648                 case YUV420:
 649                         if(win_id == 0) {
 650                                 win->fmt_cfg = VOP_FORMAT_YCBCR420;
 651                                 win->scale_cbcr_x = CalScale(win->area[0].xact / 2, win->area[0].xsize);
 652                                 win->scale_cbcr_y = CalScale(win->area[0].yact / 2, win->area[0].ysize);
 653                                 win->swap_rb = 0;
 654                         }
 655                         else {
 656                                 dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
 657                                 __func__);
 658                         }
 659                         break;
 660                 default:
 661                         dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
 662                                 __func__);
 663                         break;
 664         }
 665         spin_unlock(&lcdc_dev->reg_lock);
 666
 667         DBG(1, "lcdc%d>>%s\n>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d\n"
 668                 ">>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n", lcdc_dev->id,
 669                 __func__, get_format_string(win->format, fmt), win->area[0].xact,
 670                 win->area[0].yact, win->area[0].xsize, win->area[0].ysize, win->area[0].xvir,
 671                 win->area[0].yvir, win->area[0].xpos, win->area[0].ypos);
 672         return 0;
 673 }
 674
 675 static int rk3036_lcdc_pan_display(struct rk_lcdc_driver *dev_drv, int win_id)
 676 {
 677         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 678                                                 struct lcdc_device, driver);
 679         struct rk_lcdc_win *win = NULL;
 680         struct rk_screen *screen = dev_drv->cur_screen;
 681
 682         if (!screen) {
 683                 dev_err(dev_drv->dev,"screen is null!\n");
 684                 return -ENOENT;
 685         }
 686
 687         if (win_id == 0) {
 688                 win = dev_drv->win[0];
 689         } else if(win_id==1) {
 690                 win = dev_drv->win[1];
 691         } else {
 692                 dev_err(dev_drv->dev,"invalid win number:%d!\n", win_id);
 693                 return -EINVAL;
 694         }
 695
 696
 697         spin_lock(&lcdc_dev->reg_lock);
 698         if (likely(lcdc_dev->clk_on)) {
 699                 win->area[0].y_addr = win->area[0].smem_start+win->area[0].y_offset;
 700                 win->area[0].uv_addr = win->area[0].cbr_start + win->area[0].c_offset;
 701                 if(win->area[0].y_addr)
 702                         lcdc_layer_update_regs(lcdc_dev, win);
 703                 /*lcdc_cfg_done(lcdc_dev);*/
 704         }
 705         spin_unlock(&lcdc_dev->reg_lock);
 706
 707         DBG(2, "lcdc%d>>%s:y_addr:0x%x>>uv_addr:0x%x>>offset:%d\n",
 708             lcdc_dev->id, __func__, win->area[0].y_addr, win->area[0].uv_addr,win->area[0].y_offset);
 709          /*this is the first frame of the system ,enable frame start interrupt*/
 710         if ((dev_drv->first_frame))  {
 711                 dev_drv->first_frame = 0;
 712                 rk3036_lcdc_enable_irq(dev_drv);
 713
 714         }
 715
 716         return 0;
 717 }
 718
 719 static int rk3036_lcdc_ioctl(struct rk_lcdc_driver *dev_drv, unsigned int cmd,
 720                              unsigned long arg, int win_id)
 721 {
 722         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 723                                         struct lcdc_device, driver);
 724         u32 panel_size[2];
 725         void __user *argp = (void __user *)arg;
 726         struct color_key_cfg clr_key_cfg;
 727
 728         switch (cmd) {
 729         case RK_FBIOGET_PANEL_SIZE:
 730                 panel_size[0] = lcdc_dev->screen->mode.xres;
 731                 panel_size[1] = lcdc_dev->screen->mode.yres;
 732                 if (copy_to_user(argp, panel_size, 8))
 733                         return -EFAULT;
 734                 break;
 735         case RK_FBIOPUT_COLOR_KEY_CFG:
 736                 if (copy_from_user(&clr_key_cfg, argp,
 737                                    sizeof(struct color_key_cfg)))
 738                         return -EFAULT;
 739                 lcdc_writel(lcdc_dev, WIN0_COLOR_KEY,
 740                             clr_key_cfg.win0_color_key_cfg);
 741                 lcdc_writel(lcdc_dev, WIN1_COLOR_KEY,
 742                             clr_key_cfg.win1_color_key_cfg);
 743                 break;
 744
 745         default:
 746                 break;
 747         }
 748         return 0;
 749 }
 750
 751 static int rk3036_lcdc_get_win_id(struct rk_lcdc_driver *dev_drv,
 752                                   const char *id)
 753 {
 754         int win_id = 0;
 755         mutex_lock(&dev_drv->fb_win_id_mutex);
 756         if (!strcmp(id, "fb0"))
 757                 win_id = dev_drv->fb0_win_id;
 758         else if (!strcmp(id, "fb1"))
 759                 win_id = dev_drv->fb1_win_id;
 760         else if (!strcmp(id, "fb2"))
 761                 win_id = dev_drv->fb2_win_id;
 762         mutex_unlock(&dev_drv->fb_win_id_mutex);
 763
 764         return win_id;
 765 }
 766
 767 static int rk3036_lcdc_get_win_state(struct rk_lcdc_driver *dev_drv, int win_id)
 768 {
 769         return 0;
 770 }
 771
 772 static int rk3036_lcdc_ovl_mgr(struct rk_lcdc_driver *dev_drv, int swap,
 773                                bool set)
 774 {
 775         struct lcdc_device *lcdc_dev =
 776             container_of(dev_drv, struct lcdc_device, driver);
 777         int ovl;
 778         spin_lock(&lcdc_dev->reg_lock);
 779         if (lcdc_dev->clk_on) {
 780                 if (set) {
 781                         lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_WIN0_TOP,
 782                                      v_WIN0_TOP(swap));
 783                         ovl = swap;
 784                 } else {
 785                         ovl = lcdc_read_bit(lcdc_dev, DSP_CTRL0, m_WIN0_TOP);
 786                 }
 787         } else {
 788                 ovl = -EPERM;
 789         }
 790         spin_unlock(&lcdc_dev->reg_lock);
 791
 792         return ovl;
 793 }
 794
 795 static int rk3036_lcdc_early_suspend(struct rk_lcdc_driver *dev_drv)
 796 {
 797
 798         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 799                                         struct lcdc_device, driver);
 800         if (dev_drv->suspend_flag)
 801                 return 0;
 802         dev_drv->suspend_flag = 1;
 803         flush_kthread_worker(&dev_drv->update_regs_worker);
 804
 805         if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
 806                 dev_drv->trsm_ops->disable();
 807         spin_lock(&lcdc_dev->reg_lock);
 808         if (likely(lcdc_dev->clk_on)) {
 809                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
 810                              v_BLANK_EN(1));
 811                 lcdc_msk_reg(lcdc_dev, INT_STATUS, m_FS_INT_CLEAR,
 812                              v_FS_INT_CLEAR(1));
 813                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
 814                              v_DSP_OUT_ZERO(1));
 815                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
 816                              v_LCDC_STANDBY(1));
 817                 lcdc_cfg_done(lcdc_dev);
 818                 #if defined(CONFIG_ROCKCHIP_IOMMU)
 819                 if (dev_drv->iommu_enabled) {
 820 //                      for (reg = MMU_DTE_ADDR; reg <= MMU_AUTO_GATING; reg +=4)
 821 //                      lcdc_readl(lcdc_dev, reg);
 822                         if(dev_drv->mmu_dev)
 823                                 iovmm_deactivate(dev_drv->dev);
 824                 }
 825                 #endif
 826                 spin_unlock(&lcdc_dev->reg_lock);
 827         } else {
 828                 spin_unlock(&lcdc_dev->reg_lock);
 829                 return 0;
 830         }
 831         rk3036_lcdc_clk_disable(lcdc_dev);
 832         rk_disp_pwr_disable(dev_drv);
 833         return 0;
 834 }
 835
 836 static int rk3036_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
 837 {
 838         struct lcdc_device *lcdc_dev =
 839             container_of(dev_drv, struct lcdc_device, driver);
 840
 841         if (!dev_drv->suspend_flag)
 842                 return 0;
 843         rk_disp_pwr_enable(dev_drv);
 844         dev_drv->suspend_flag = 0;
 845
 846         if (lcdc_dev->atv_layer_cnt) {
 847                 rk3036_lcdc_clk_enable(lcdc_dev);
 848                 rk3036_lcdc_reg_restore(lcdc_dev);
 849
 850                 spin_lock(&lcdc_dev->reg_lock);
 851
 852                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_OUT_ZERO,
 853                              v_DSP_OUT_ZERO(0));
 854                 lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_LCDC_STANDBY,
 855                              v_LCDC_STANDBY(0));
 856                 lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BLANK_EN,
 857                              v_BLANK_EN(0));
 858                 lcdc_cfg_done(lcdc_dev);
 859
 860                 spin_unlock(&lcdc_dev->reg_lock);
 861         }
 862
 863         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
 864                 dev_drv->trsm_ops->enable();
 865         return 0;
 866 }
 867
 868
 869 static int rk3036_lcdc_blank(struct rk_lcdc_driver *dev_drv,
 870                              int win_id, int blank_mode)
 871 {
 872         switch (blank_mode) {
 873         case FB_BLANK_UNBLANK:
 874                 rk3036_lcdc_early_resume(dev_drv);
 875                 break;
 876         case FB_BLANK_NORMAL:
 877                 rk3036_lcdc_early_suspend(dev_drv);
 878                 break;
 879         default:
 880                 rk3036_lcdc_early_suspend(dev_drv);
 881                 break;
 882         }
 883
 884         dev_info(dev_drv->dev, "blank mode:%d\n", blank_mode);
 885
 886         return 0;
 887 }
 888
 889 static int rk3036_lcdc_cfg_done(struct rk_lcdc_driver *dev_drv)
 890 {
 891         struct lcdc_device *lcdc_dev = container_of(dev_drv,
 892                                         struct lcdc_device, driver);
 893         spin_lock(&lcdc_dev->reg_lock);
 894         if (lcdc_dev->clk_on)
 895                 lcdc_cfg_done(lcdc_dev);
 896         spin_unlock(&lcdc_dev->reg_lock);
 897         return 0;
 898 }
 899
 900 /*
 901         a:[-30~0]:
 902             sin_hue = sin(a)*256 +0x100;
 903             cos_hue = cos(a)*256;
 904         a:[0~30]
 905             sin_hue = sin(a)*256;
 906             cos_hue = cos(a)*256;
 907 */
 908 static int rk3036_lcdc_get_bcsh_hue(struct rk_lcdc_driver *dev_drv,bcsh_hue_mode mode)
 909 {
 910
 911         struct lcdc_device *lcdc_dev =
 912             container_of(dev_drv, struct lcdc_device, driver);
 913         u32 val;
 914
 915         spin_lock(&lcdc_dev->reg_lock);
 916         if (lcdc_dev->clk_on) {
 917                 val = lcdc_readl(lcdc_dev, BCSH_H);
 918                 switch(mode){
 919                 case H_SIN:
 920                         val &= m_BCSH_SIN_HUE;
 921                         break;
 922                 case H_COS:
 923                         val &= m_BCSH_COS_HUE;
 924                         val >>= 16;
 925                         break;
 926                 default:
 927                         break;
 928                 }
 929         }
 930         spin_unlock(&lcdc_dev->reg_lock);
 931
 932         return val;
 933 }
 934
 935
 936 static int rk3036_lcdc_set_bcsh_hue(struct rk_lcdc_driver *dev_drv,int sin_hue, int cos_hue)
 937 {
 938
 939         struct lcdc_device *lcdc_dev =
 940             container_of(dev_drv, struct lcdc_device, driver);
 941         u32 mask, val;
 942
 943         spin_lock(&lcdc_dev->reg_lock);
 944         if (lcdc_dev->clk_on) {
 945                 mask = m_BCSH_SIN_HUE | m_BCSH_COS_HUE;
 946                 val = v_BCSH_SIN_HUE(sin_hue) | v_BCSH_COS_HUE(cos_hue);
 947                 lcdc_msk_reg(lcdc_dev, BCSH_H, mask, val);
 948                 lcdc_cfg_done(lcdc_dev);
 949         }
 950         spin_unlock(&lcdc_dev->reg_lock);
 951
 952         return 0;
 953 }
 954
 955 static int rk3036_lcdc_set_bcsh_bcs(struct rk_lcdc_driver *dev_drv,bcsh_bcs_mode mode,int value)
 956 {
 957         struct lcdc_device *lcdc_dev =
 958             container_of(dev_drv, struct lcdc_device, driver);
 959         u32 mask, val;
 960
 961         spin_lock(&lcdc_dev->reg_lock);
 962         if(lcdc_dev->clk_on) {
 963                 switch (mode) {
 964                 case BRIGHTNESS:
 965                 /*from 0 to 255,typical is 128*/
 966                         if (value < 0x80)
 967                                 value += 0x80;
 968                         else if (value >= 0x80)
 969                                 value = value - 0x80;
 970                         mask =  m_BCSH_BRIGHTNESS;
 971                         val = v_BCSH_BRIGHTNESS(value);
 972                         break;
 973                 case CONTRAST:
 974                 /*from 0 to 510,typical is 256*/
 975                         mask =  m_BCSH_CONTRAST;
 976                         val =  v_BCSH_CONTRAST(value);
 977                         break;
 978                 case SAT_CON:
 979                 /*from 0 to 1015,typical is 256*/
 980                         mask = m_BCSH_SAT_CON;
 981                         val = v_BCSH_SAT_CON(value);
 982                         break;
 983                 default:
 984                         break;
 985                 }
 986                 lcdc_msk_reg(lcdc_dev, BCSH_BCS, mask, val);
 987                 lcdc_cfg_done(lcdc_dev);
 988         }
 989         spin_unlock(&lcdc_dev->reg_lock);
 990         return val;
 991 }
 992
 993 static int rk3036_lcdc_get_bcsh_bcs(struct rk_lcdc_driver *dev_drv,bcsh_bcs_mode mode)
 994 {
 995         struct lcdc_device *lcdc_dev =
 996             container_of(dev_drv, struct lcdc_device, driver);
 997         u32 val;
 998
 999         spin_lock(&lcdc_dev->reg_lock);
1000         if(lcdc_dev->clk_on) {
1001                 val = lcdc_readl(lcdc_dev, BCSH_BCS);
1002                 switch (mode) {
1003                 case BRIGHTNESS:
1004                         val &= m_BCSH_BRIGHTNESS;
1005                         if(val > 0x80)
1006                                 val -= 0x80;
1007                         else
1008                                 val += 0x80;
1009                         break;
1010                 case CONTRAST:
1011                         val &= m_BCSH_CONTRAST;
1012                         val >>= 8;
1013                         break;
1014                 case SAT_CON:
1015                         val &= m_BCSH_SAT_CON;
1016                         val >>= 20;
1017                         break;
1018                 default:
1019                         break;
1020                 }
1021         }
1022         spin_unlock(&lcdc_dev->reg_lock);
1023         return val;
1024 }
1025
1026
1027 static int rk3036_lcdc_open_bcsh(struct rk_lcdc_driver *dev_drv, bool open)
1028 {
1029         struct lcdc_device *lcdc_dev =
1030             container_of(dev_drv, struct lcdc_device, driver);
1031         u32 mask, val;
1032
1033         spin_lock(&lcdc_dev->reg_lock);
1034         if (lcdc_dev->clk_on) {
1035                 if (open) {
1036                         lcdc_writel(lcdc_dev,BCSH_CTRL,0x1);
1037                         lcdc_writel(lcdc_dev,BCSH_BCS,0xd0010000);
1038                         lcdc_writel(lcdc_dev,BCSH_H,0x01000000);
1039                 } else {
1040                         mask = m_BCSH_EN;
1041                         val = v_BCSH_EN(0);
1042                         lcdc_msk_reg(lcdc_dev, BCSH_CTRL, mask, val);
1043                 }
1044                 lcdc_cfg_done(lcdc_dev);
1045         }
1046         spin_unlock(&lcdc_dev->reg_lock);
1047         return 0;
1048 }
1049
1050 static int rk3036_fb_win_remap(struct rk_lcdc_driver *dev_drv,
1051                                enum fb_win_map_order order)
1052 {
1053         mutex_lock(&dev_drv->fb_win_id_mutex);
1054         if (order == FB_DEFAULT_ORDER)
1055                 order = FB0_WIN1_FB1_WIN0_FB2_WIN2;
1056         dev_drv->fb2_win_id = order / 100;
1057         dev_drv->fb1_win_id = (order / 10) % 10;
1058         dev_drv->fb0_win_id = order % 10;
1059         mutex_unlock(&dev_drv->fb_win_id_mutex);
1060
1061         return 0;
1062 }
1063
1064 static int rk3036_lcdc_fps_mgr(struct rk_lcdc_driver *dev_drv, int fps,
1065                                bool set)
1066 {
1067         struct lcdc_device *lcdc_dev =
1068             container_of(dev_drv, struct lcdc_device, driver);
1069         struct rk_screen *screen = dev_drv->cur_screen;
1070         u64 ft = 0;
1071         u32 dotclk;
1072         int ret;
1073         u32 pixclock;
1074         u32 x_total, y_total;
1075         if (set) {
1076                 ft = div_u64(1000000000000llu, fps);
1077                 x_total =
1078                     screen->mode.upper_margin + screen->mode.lower_margin +
1079                     screen->mode.yres + screen->mode.vsync_len;
1080                 y_total =
1081                     screen->mode.left_margin + screen->mode.right_margin +
1082                     screen->mode.xres + screen->mode.hsync_len;
1083                 dev_drv->pixclock = div_u64(ft, x_total * y_total);
1084                 dotclk = div_u64(1000000000000llu, dev_drv->pixclock);
1085                 ret = clk_set_rate(lcdc_dev->dclk, dotclk);
1086         }
1087
1088         pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
1089         dev_drv->pixclock = lcdc_dev->pixclock = pixclock;
1090         fps = rk_fb_calc_fps(lcdc_dev->screen, pixclock);
1091         screen->ft = 1000 / fps;        /*one frame time in ms */
1092
1093         if (set)
1094                 dev_info(dev_drv->dev, "%s:dclk:%lu,fps:%d\n", __func__,
1095                          clk_get_rate(lcdc_dev->dclk), fps);
1096
1097         return fps;
1098 }
1099
1100 static int rk3036_lcdc_poll_vblank(struct rk_lcdc_driver *dev_drv)
1101 {
1102         struct lcdc_device *lcdc_dev =
1103             container_of(dev_drv, struct lcdc_device, driver);
1104         u32 int_reg;
1105         int ret;
1106
1107         if (lcdc_dev->clk_on) {
1108                 int_reg = lcdc_readl(lcdc_dev, INT_STATUS);
1109                 if (int_reg & m_LF_INT_STA) {
1110                         lcdc_msk_reg(lcdc_dev, INT_STATUS, m_LF_INT_CLEAR,
1111                                      v_LF_INT_CLEAR(1));
1112                         ret = RK_LF_STATUS_FC;
1113                 } else
1114                         ret = RK_LF_STATUS_FR;
1115         } else {
1116                 ret = RK_LF_STATUS_NC;
1117         }
1118
1119         return ret;
1120 }
1121
1122 static int rk3036_lcdc_get_dsp_addr(struct rk_lcdc_driver *dev_drv,unsigned int *dsp_addr)
1123 {
1124         struct lcdc_device *lcdc_dev =
1125             container_of(dev_drv, struct lcdc_device, driver);
1126
1127         if(lcdc_dev->clk_on){
1128                 dsp_addr[0] = lcdc_readl(lcdc_dev, WIN0_YRGB_MST);
1129                 dsp_addr[1] = lcdc_readl(lcdc_dev, WIN1_MST);
1130         }
1131         return 0;
1132 }
1133
1134 static ssize_t rk3036_lcdc_get_disp_info(struct rk_lcdc_driver *dev_drv,
1135                                          char *buf, int win_id)
1136 {
1137 //      struct lcdc_device *lcdc_dev = container_of(dev_drv,
1138 //                                      struct lcdc_device, driver);
1139 //      struct rk_screen *screen = dev_drv->cur_screen;
1140         struct rk_lcdc_win *win = NULL;
1141         char fmt[9] = "NULL";
1142         u32     size;
1143
1144         if (win_id < ARRAY_SIZE(lcdc_win)) {
1145                 win = dev_drv->win[win_id];
1146         } else {
1147                 dev_err(dev_drv->dev,"invalid win number:%d!\n", win_id);
1148                 return 0;
1149         }
1150
1151         size = snprintf(buf, PAGE_SIZE, "win%d: %s\n", win_id, get_format_string(win->format, fmt));
1152         size += snprintf(buf + size, PAGE_SIZE - size, "        xact %d yact %d xvir %d yvir %d\n",
1153                 win->area[0].xact, win->area[0].yact, win->area[0].xvir, win->area[0].yvir);
1154         size += snprintf(buf + size, PAGE_SIZE - size, "        xpos %d ypos %d xsize %d ysize %d\n",
1155                 win->area[0].xpos, win->area[0].ypos, win->area[0].xsize, win->area[0].ysize);
1156         size += snprintf(buf + size, PAGE_SIZE - size, "        yaddr 0x%x uvaddr 0x%x\n",
1157                 win->area[0].y_addr, win->area[0].uv_addr);
1158         return size;
1159 }
1160
1161 static int rk3036_lcdc_reg_dump(struct rk_lcdc_driver *dev_drv)
1162 {
1163         struct lcdc_device *lcdc_dev = container_of(dev_drv,
1164                                                 struct lcdc_device,
1165                                                 driver);
1166         int *cbase = (int *)lcdc_dev->regs;
1167         int *regsbak = (int *)lcdc_dev->regsbak;
1168         int i, j;
1169
1170         printk("back up reg:\n");
1171         for (i = 0; i <= (0x90 >> 4); i++) {
1172                 for (j = 0; j < 4; j++)
1173                         printk("%08x  ", *(regsbak + i * 4 + j));
1174                 printk("\n");
1175         }
1176
1177         printk("lcdc reg:\n");
1178         for (i = 0; i <= (0x90 >> 4); i++) {
1179                 for (j = 0; j < 4; j++)
1180                         printk("%08x  ", readl_relaxed(cbase + i * 4 + j));
1181                 printk("\n");
1182         }
1183         return 0;
1184 }
1185
1186 static struct rk_lcdc_drv_ops lcdc_drv_ops = {
1187         .open                   = rk3036_lcdc_open,
1188         .load_screen            = rk3036_load_screen,
1189         .set_par                = rk3036_lcdc_set_par,
1190         .pan_display            = rk3036_lcdc_pan_display,
1191         .blank                  = rk3036_lcdc_blank,
1192         .ioctl                  = rk3036_lcdc_ioctl,
1193         .get_win_state          = rk3036_lcdc_get_win_state,
1194         .ovl_mgr                = rk3036_lcdc_ovl_mgr,
1195         .get_disp_info          = rk3036_lcdc_get_disp_info,
1196         .fps_mgr                = rk3036_lcdc_fps_mgr,
1197         .fb_get_win_id          = rk3036_lcdc_get_win_id,
1198         .fb_win_remap           = rk3036_fb_win_remap,
1199         .poll_vblank            = rk3036_lcdc_poll_vblank,
1200         .get_dsp_addr           = rk3036_lcdc_get_dsp_addr,
1201         .cfg_done               = rk3036_lcdc_cfg_done,
1202         .dump_reg               = rk3036_lcdc_reg_dump,
1203         .set_dsp_bcsh_hue       = rk3036_lcdc_set_bcsh_hue,
1204         .set_dsp_bcsh_bcs       = rk3036_lcdc_set_bcsh_bcs,
1205         .get_dsp_bcsh_hue       = rk3036_lcdc_get_bcsh_hue,
1206         .get_dsp_bcsh_bcs       = rk3036_lcdc_get_bcsh_bcs,
1207         .open_bcsh              = rk3036_lcdc_open_bcsh,
1208 };
1209
1210 static int rk3036_lcdc_parse_dt(struct lcdc_device *lcdc_dev)
1211 {
1212 #if defined(CONFIG_ROCKCHIP_IOMMU)
1213         struct device_node *np = lcdc_dev->dev->of_node;
1214         int val;
1215         if (of_property_read_u32(np, "rockchip,iommu-enabled", &val))
1216                 lcdc_dev->driver.iommu_enabled = 0;
1217         else
1218                 lcdc_dev->driver.iommu_enabled = val;
1219 #else
1220         lcdc_dev->driver.iommu_enabled = 0;
1221 #endif
1222         return 0;
1223 }
1224
1225 static int rk3036_lcdc_probe(struct platform_device *pdev)
1226 {
1227         struct lcdc_device *lcdc_dev = NULL;
1228         struct rk_lcdc_driver *dev_drv;
1229         struct device *dev = &pdev->dev;
1230         struct resource *res;
1231         int ret;
1232
1233         lcdc_dev = devm_kzalloc(dev,
1234                                 sizeof(struct lcdc_device), GFP_KERNEL);
1235         if (!lcdc_dev) {
1236                 dev_err(&pdev->dev, "rk3036 lcdc device kmalloc fail!");
1237                 return -ENOMEM;
1238         }
1239         platform_set_drvdata(pdev, lcdc_dev);
1240         lcdc_dev->dev = dev;
1241         rk3036_lcdc_parse_dt(lcdc_dev);
1242
1243         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1244         lcdc_dev->reg_phy_base = res->start;
1245         lcdc_dev->len = resource_size(res);
1246         lcdc_dev->regs = devm_ioremap_resource(dev, res);
1247         if (IS_ERR(lcdc_dev->regs))
1248                 return PTR_ERR(lcdc_dev->regs);
1249
1250         lcdc_dev->regsbak = devm_kzalloc(dev, lcdc_dev->len, GFP_KERNEL);
1251         if (IS_ERR(lcdc_dev->regsbak))
1252                 return PTR_ERR(lcdc_dev->regsbak);
1253
1254         dev_set_name(lcdc_dev->dev, "lcdc%d", lcdc_dev->id);
1255         dev_drv = &lcdc_dev->driver;
1256         dev_drv->dev = dev;
1257         dev_drv->prop = PRMRY;
1258         dev_drv->id = lcdc_dev->id;
1259         dev_drv->ops = &lcdc_drv_ops;
1260         dev_drv->lcdc_win_num = ARRAY_SIZE(lcdc_win);
1261         spin_lock_init(&lcdc_dev->reg_lock);
1262
1263         lcdc_dev->irq = platform_get_irq(pdev, 0);
1264         if (lcdc_dev->irq < 0) {
1265                 dev_err(&pdev->dev, "cannot find IRQ for lcdc%d\n",
1266                         lcdc_dev->id);
1267                 return -ENXIO;
1268         }
1269
1270         ret = devm_request_irq(dev, lcdc_dev->irq, rk3036_lcdc_isr,
1271                                IRQF_DISABLED, dev_name(dev), lcdc_dev);
1272         if (ret) {
1273                 dev_err(&pdev->dev, "cannot requeset irq %d - err %d\n",
1274                         lcdc_dev->irq, ret);
1275                 return ret;
1276         }
1277
1278         if (dev_drv->iommu_enabled) {
1279                 strcpy(dev_drv->mmu_dts_name, "iommu,vop_mmu");
1280         }
1281
1282         ret = rk_fb_register(dev_drv, lcdc_win, lcdc_dev->id);
1283         if (ret < 0) {
1284                 dev_err(dev, "register fb for lcdc%d failed!\n", lcdc_dev->id);
1285                 return ret;
1286         }
1287         lcdc_dev->screen = dev_drv->screen0;
1288
1289         dev_info(dev, "lcdc%d probe ok, iommu %s\n",
1290                 lcdc_dev->id, dev_drv->iommu_enabled ? "enabled" : "disabled");
1291
1292         return 0;
1293 }
1294
1295 #if defined(CONFIG_PM)
1296 static int rk3036_lcdc_suspend(struct platform_device *pdev, pm_message_t state)
1297 {
1298         return 0;
1299 }
1300
1301 static int rk3036_lcdc_resume(struct platform_device *pdev)
1302 {
1303         return 0;
1304 }
1305 #else
1306 #define rk3036_lcdc_suspend NULL
1307 #define rk3036_lcdc_resume  NULL
1308 #endif
1309
1310 static int rk3036_lcdc_remove(struct platform_device *pdev)
1311 {
1312         return 0;
1313 }
1314
1315 static void rk3036_lcdc_shutdown(struct platform_device *pdev)
1316 {
1317
1318 }
1319
1320 #if defined(CONFIG_OF)
1321 static const struct of_device_id rk3036_lcdc_dt_ids[] = {
1322         {.compatible = "rockchip,rk3036-lcdc",},
1323         {}
1324 };
1325 #endif
1326
1327 static struct platform_driver rk3036_lcdc_driver = {
1328         .probe = rk3036_lcdc_probe,
1329         .remove = rk3036_lcdc_remove,
1330         .driver = {
1331                 .name = "rk3036-lcdc",
1332                 .owner = THIS_MODULE,
1333                 .of_match_table = of_match_ptr(rk3036_lcdc_dt_ids),
1334         },
1335         .suspend = rk3036_lcdc_suspend,
1336         .resume = rk3036_lcdc_resume,
1337         .shutdown = rk3036_lcdc_shutdown,
1338 };
1339
1340 static int __init rk3036_lcdc_module_init(void)
1341 {
1342         return platform_driver_register(&rk3036_lcdc_driver);
1343 }
1344
1345 static void __exit rk3036_lcdc_module_exit(void)
1346 {
1347         platform_driver_unregister(&rk3036_lcdc_driver);
1348 }
1349
1350 fs_initcall(rk3036_lcdc_module_init);
1351 module_exit(rk3036_lcdc_module_exit);