2 * drivers/video/rockchip/chips/rk3066b_lcdc.c
4 * Copyright (C) 2012 ROCKCHIP, Inc.
5 *Author:yzq<yzq@rock-chips.com>
6 * yxj<yxj@rock-chips.com>
7 *This software is licensed under the terms of the GNU General Public
8 * License version 2, as published by the Free Software Foundation, and
9 * may be copied, distributed, and modified under those terms.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
18 #include <linux/module.h>
19 #include <linux/kernel.h>
20 #include <linux/errno.h>
21 #include <linux/string.h>
23 #include <linux/slab.h>
24 #include <linux/device.h>
25 #include <linux/delay.h>
26 #include <linux/init.h>
27 #include <linux/interrupt.h>
28 #include <linux/platform_device.h>
29 #include <linux/clk.h>
30 #include <linux/earlysuspend.h>
31 #include <asm/div64.h>
32 #include <asm/uaccess.h>
33 #include <mach/iomux.h>
35 #include "rk3066b_lcdc.h"
36 #include "../hdmi/rk_hdmi.h"
41 static int dbg_thresd = 0;
42 module_param(dbg_thresd, int, S_IRUGO|S_IWUSR);
43 #define DBG(level,x...) do { if(unlikely(dbg_thresd >= level)) printk(KERN_INFO x); } while (0)
46 static int rk3066b_lcdc_clk_enable(struct rk3066b_lcdc_device *lcdc_dev)
50 clk_enable(lcdc_dev->hclk);
51 clk_enable(lcdc_dev->dclk);
52 clk_enable(lcdc_dev->aclk);
53 clk_enable(lcdc_dev->pd);
55 spin_lock(&lcdc_dev->reg_lock);
57 spin_unlock(&lcdc_dev->reg_lock);
59 printk("rk3066b lcdc%d clk enable...\n",lcdc_dev->id);
64 static int rk3066b_lcdc_clk_disable(struct rk3066b_lcdc_device *lcdc_dev)
68 spin_lock(&lcdc_dev->reg_lock);
70 spin_unlock(&lcdc_dev->reg_lock);
72 clk_disable(lcdc_dev->dclk);
73 clk_disable(lcdc_dev->hclk);
74 clk_disable(lcdc_dev->aclk);
75 clk_disable(lcdc_dev->pd);
77 printk("rk3066b lcdc%d clk disable...\n",lcdc_dev->id);
82 static int rk3066b_lcdc_reg_resume(struct rk3066b_lcdc_device *lcdc_dev)
84 memcpy((u8*)lcdc_dev->preg, (u8*)&lcdc_dev->regbak, 0x9C);
88 static int init_rk3066b_lcdc(struct rk_lcdc_device_driver *dev_drv)
94 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
96 if(lcdc_dev->id == 0) //lcdc0
98 lcdc_dev->pd = clk_get(NULL,"pd_lcdc0");
99 lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc0");
100 lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc0");
101 lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc0");
103 else if(lcdc_dev->id == 1)
105 lcdc_dev->pd = clk_get(NULL,"pd_lcdc1");
106 lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc1");
107 lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc1");
108 lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc1");
112 printk(KERN_ERR "invalid lcdc device!\n");
115 if (IS_ERR(lcdc_dev->pd) || (IS_ERR(lcdc_dev->aclk)) ||(IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk)))
117 printk(KERN_ERR "failed to get lcdc%d clk source\n",lcdc_dev->id);
120 rk3066b_lcdc_clk_enable(lcdc_dev);
122 if(lcdc_dev->id == 0)
124 #if defined(CONFIG_RK3066B_LCDC0_IO_18V)
125 v = 0x40004000; //bit14: 1,1.8v;0,3.3v
126 writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
129 writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
133 if(lcdc_dev->id == 1) //iomux for lcdc1
135 #if defined(CONFIG_RK3066B_LCDC1_IO_18V)
136 v = 0x80008000; //bit14: 1,1.8v;0,3.3v
137 writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
140 writel_relaxed(v,RK30_GRF_BASE + GRF_IO_CON4);
143 iomux_set(LCDC1_DCLK);
144 iomux_set(LCDC1_DEN);
145 iomux_set(LCDC1_HSYNC);
146 iomux_set(LCDC1_VSYNC);
157 iomux_set(LCDC1_D10);
158 iomux_set(LCDC1_D11);
159 iomux_set(LCDC1_D12);
160 iomux_set(LCDC1_D13);
161 iomux_set(LCDC1_D14);
162 iomux_set(LCDC1_D15);
163 iomux_set(LCDC1_D16);
164 iomux_set(LCDC1_D17);
165 iomux_set(LCDC1_D18);
166 iomux_set(LCDC1_D19);
167 iomux_set(LCDC1_D20);
168 iomux_set(LCDC1_D21);
169 iomux_set(LCDC1_D22);
170 iomux_set(LCDC1_D23);
173 LcdMskReg(lcdc_dev,SYS_CFG, m_LCDC_AXICLK_AUTO_ENABLE | m_W0_AXI_OUTSTANDING2 |
174 m_W1_AXI_OUTSTANDING2,v_LCDC_AXICLK_AUTO_ENABLE(1) | v_W0_AXI_OUTSTANDING2(1) |
175 v_W1_AXI_OUTSTANDING2(1));//eanble axi-clk auto gating for low power
176 LcdWrReg(lcdc_dev,AXI_MS_ID,v_HWC_CHANNEL_ID(5) | v_WIN2_CHANNEL_ID(4) |
177 v_WIN1_YRGB_CHANNEL_ID(3) | v_WIN0_CBR_CHANNEL_ID(2) |
178 v_WIN0_YRGB_CHANNEL_ID(1));
179 LcdMskReg(lcdc_dev, INT_STATUS,m_HOR_STARTMASK| m_FRM_STARTMASK |
180 m_SCANNING_MASK, v_HOR_STARTMASK(1) | v_FRM_STARTMASK(1) |
181 v_SCANNING_MASK(1)); //mask all interrupt in init
182 LcdMskReg(lcdc_dev,FIFO_WATER_MARK,m_WIN1_FIFO_FULL_LEVEL,v_WIN1_FIFO_FULL_LEVEL(0x1e0));
183 //LCDC_REG_CFG_DONE(); // write any value to REG_CFG_DONE let config become effective
184 if(dev_drv->cur_screen->dsp_lut) //resume dsp lut
186 LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(0));
189 mdelay(25); //wait for dsp lut disabled
192 v = dev_drv->cur_screen->dsp_lut[i];
193 c = lcdc_dev->dsp_lut_addr_base+i;
196 LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(1));//enable dsp lut
199 rk3066b_lcdc_clk_disable(lcdc_dev);
203 static int rk3066b_lcdc_deinit(struct rk3066b_lcdc_device *lcdc_dev)
205 spin_lock(&lcdc_dev->reg_lock);
206 if(likely(lcdc_dev->clk_on))
208 lcdc_dev->clk_on = 0;
209 LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
210 LcdMskReg(lcdc_dev, INT_STATUS,m_HOR_STARTMASK| m_FRM_STARTMASK |
211 m_SCANNING_MASK, v_HOR_STARTMASK(1) | v_FRM_STARTMASK(1) |
212 v_SCANNING_MASK(1)); //mask all interrupt in init
213 LcdSetBit(lcdc_dev,SYS_CFG,m_LCDC_STANDBY);
215 spin_unlock(&lcdc_dev->reg_lock);
217 else //clk already disabled
219 spin_unlock(&lcdc_dev->reg_lock);
227 static int rk3066b_load_screen(struct rk_lcdc_device_driver *dev_drv, bool initscreen)
230 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
231 rk_screen *screen = dev_drv->cur_screen;
235 u16 mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend;
236 u16 right_margin = screen->right_margin;
237 u16 lower_margin = screen->lower_margin;
238 u16 x_res = screen->x_res, y_res = screen->y_res;
240 // set the rgb or mcu
241 spin_lock(&lcdc_dev->reg_lock);
242 if(likely(lcdc_dev->clk_on))
244 if(screen->type==SCREEN_MCU)
246 LcdMskReg(lcdc_dev, MCU_CTRL, m_MCU_OUTPUT_SELECT,v_MCU_OUTPUT_SELECT(1));
247 // set out format and mcu timing
248 mcu_total = (screen->mcu_wrperiod*150*1000)/1000000;
253 mcu_rwstart = (mcu_total+1)/4 - 1;
254 mcu_rwend = ((mcu_total+1)*3)/4 - 1;
255 mcu_csstart = (mcu_rwstart>2) ? (mcu_rwstart-3) : (0);
256 mcu_csend = (mcu_rwend>15) ? (mcu_rwend-1) : (mcu_rwend);
258 //DBG(1,">> mcu_total=%d, mcu_rwstart=%d, mcu_csstart=%d, mcu_rwend=%d, mcu_csend=%d \n",
259 // mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend);
261 // set horizontal & vertical out timing
263 right_margin = x_res/6;
264 screen->pixclock = 150000000; //mcu fix to 150 MHz
265 LcdMskReg(lcdc_dev, MCU_CTRL,m_MCU_CS_ST | m_MCU_CS_END| m_MCU_RW_ST | m_MCU_RW_END |
266 m_MCU_WRITE_PERIOD | m_MCU_HOLDMODE_SELECT | m_MCU_HOLDMODE_FRAME_ST,
267 v_MCU_CS_ST(mcu_csstart) | v_MCU_CS_END(mcu_csend) | v_MCU_RW_ST(mcu_rwstart) |
268 v_MCU_RW_END(mcu_rwend) | v_MCU_WRITE_PERIOD(mcu_total) |
269 v_MCU_HOLDMODE_SELECT((SCREEN_MCU==screen->type)?(1):(0)) | v_MCU_HOLDMODE_FRAME_ST(0));
273 switch (screen->face)
277 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0));
281 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1));
285 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0));
289 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1));
293 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_UP_EN, v_DITHER_UP_EN(1));
294 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0));
297 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_UP_EN, v_DITHER_UP_EN(0));
298 LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0));
303 //use default overlay,set vsyn hsync den dclk polarity
304 LcdMskReg(lcdc_dev, DSP_CTRL0,m_DISPLAY_FORMAT | m_HSYNC_POLARITY | m_VSYNC_POLARITY |
305 m_DEN_POLARITY |m_DCLK_POLARITY,v_DISPLAY_FORMAT(face) |
306 v_HSYNC_POLARITY(screen->pin_hsync) | v_VSYNC_POLARITY(screen->pin_vsync) |
307 v_DEN_POLARITY(screen->pin_den) | v_DCLK_POLARITY(screen->pin_dclk));
309 //set background color to black,set swap according to the screen panel,disable blank mode
310 LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE | m_BLACK_MODE | m_BG_COLOR, v_BLANK_MODE(0) |
311 v_BLACK_MODE(0) | v_BG_COLOR(0x000000));
312 LcdMskReg(lcdc_dev,SWAP_CTRL,m_OUTPUT_RB_SWAP | m_OUTPUT_RG_SWAP | m_DELTA_SWAP | m_DUMMY_SWAP,
313 v_OUTPUT_RB_SWAP(screen->swap_rb) | v_OUTPUT_RG_SWAP(screen->swap_rg) |
314 v_DELTA_SWAP(screen->swap_delta) | v_DUMMY_SWAP(screen->swap_dumy));
315 LcdWrReg(lcdc_dev, DSP_HTOTAL_HS_END,v_HSYNC(screen->hsync_len) |
316 v_HORPRD(screen->hsync_len + screen->left_margin + x_res + right_margin));
317 LcdWrReg(lcdc_dev, DSP_HACT_ST_END, v_HAEP(screen->hsync_len + screen->left_margin + x_res) |
318 v_HASP(screen->hsync_len + screen->left_margin));
320 LcdWrReg(lcdc_dev, DSP_VTOTAL_VS_END, v_VSYNC(screen->vsync_len) |
321 v_VERPRD(screen->vsync_len + screen->upper_margin + y_res + lower_margin));
322 LcdWrReg(lcdc_dev, DSP_VACT_ST_END, v_VAEP(screen->vsync_len + screen->upper_margin+y_res)|
323 v_VASP(screen->vsync_len + screen->upper_margin));
324 // let above to take effect
325 //LCDC_REG_CFG_DONE();
327 spin_unlock(&lcdc_dev->reg_lock);
329 ret = clk_set_rate(lcdc_dev->dclk, screen->pixclock);
332 printk(KERN_ERR ">>>>>> set lcdc%d dclk failed\n",lcdc_dev->id);
334 lcdc_dev->driver.pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
337 ft = (u64)(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
338 (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)*
339 (dev_drv->pixclock); // one frame time ,(pico seconds)
340 fps = div64_u64(1000000000000llu,ft);
341 screen->ft = 1000/fps;
342 printk("%s: dclk:%lu>>fps:%d ",lcdc_dev->driver.name,clk_get_rate(lcdc_dev->dclk),fps);
348 printk("%s for lcdc%d ok!\n",__func__,lcdc_dev->id);
352 static int mcu_refresh(struct rk3066b_lcdc_device *lcdc_dev)
360 //enable layer,open:1,enable;0 disable
361 static int win0_open(struct rk3066b_lcdc_device *lcdc_dev,bool open)
364 spin_lock(&lcdc_dev->reg_lock);
365 if(likely(lcdc_dev->clk_on))
369 if(!lcdc_dev->atv_layer_cnt)
371 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
373 lcdc_dev->atv_layer_cnt++;
377 lcdc_dev->atv_layer_cnt--;
379 lcdc_dev->driver.layer_par[0]->state = open;
381 LcdMskReg(lcdc_dev, SYS_CFG, m_W0_EN, v_W0_EN(open));
382 if(!lcdc_dev->atv_layer_cnt) //if no layer used,disable lcdc
384 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
386 //LCDC_REG_CFG_DONE();
388 spin_unlock(&lcdc_dev->reg_lock);
389 printk(KERN_INFO "lcdc%d win0 %s\n",lcdc_dev->id,open?"open":"closed");
392 static int win1_open(struct rk3066b_lcdc_device *lcdc_dev,bool open)
394 spin_lock(&lcdc_dev->reg_lock);
395 if(likely(lcdc_dev->clk_on))
399 if(!lcdc_dev->atv_layer_cnt)
401 printk("lcdc%d wakeup from stanby\n",lcdc_dev->id);
402 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
404 lcdc_dev->atv_layer_cnt++;
408 lcdc_dev->atv_layer_cnt--;
410 lcdc_dev->driver.layer_par[1]->state = open;
412 LcdMskReg(lcdc_dev, SYS_CFG, m_W1_EN, v_W1_EN(open));
413 if(!lcdc_dev->atv_layer_cnt) //if no layer used,disable lcdc
415 printk(KERN_INFO "no layer of lcdc%d is used,go to standby!",lcdc_dev->id);
416 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
420 spin_unlock(&lcdc_dev->reg_lock);
421 printk(KERN_INFO "lcdc%d win1 %s\n",lcdc_dev->id,open?"open":"closed");
426 static int rk3066b_lcdc_blank(struct rk_lcdc_device_driver*lcdc_drv,int layer_id,int blank_mode)
428 struct rk3066b_lcdc_device * lcdc_dev = container_of(lcdc_drv,struct rk3066b_lcdc_device ,driver);
430 spin_lock(&lcdc_dev->reg_lock);
431 if(likely(lcdc_dev->clk_on))
435 case FB_BLANK_UNBLANK:
436 LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(0));
438 case FB_BLANK_NORMAL:
439 LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(1));
442 LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(1));
447 spin_unlock(&lcdc_dev->reg_lock);
449 dev_info(lcdc_drv->dev,"blank mode:%d\n",blank_mode);
454 static int win0_display(struct rk3066b_lcdc_device *lcdc_dev,struct layer_par *par )
458 y_addr = par->smem_start + par->y_offset;
459 uv_addr = par->cbr_start + par->c_offset;
460 DBG(2,KERN_INFO "lcdc%d>>%s:y_addr:0x%x>>uv_addr:0x%x\n",lcdc_dev->id,__func__,y_addr,uv_addr);
462 spin_lock(&lcdc_dev->reg_lock);
463 if(likely(lcdc_dev->clk_on))
465 LcdWrReg(lcdc_dev, WIN0_YRGB_MST,y_addr);
466 LcdWrReg(lcdc_dev, WIN0_CBR_MST,uv_addr);
469 spin_unlock(&lcdc_dev->reg_lock);
475 static int win1_display(struct rk3066b_lcdc_device *lcdc_dev,struct layer_par *par )
479 y_addr = par->smem_start + par->y_offset;
480 uv_addr = par->cbr_start + par->c_offset;
481 DBG(2,KERN_INFO "lcdc%d>>%s>>y_addr:0x%x>>uv_addr:0x%x\n",lcdc_dev->id,__func__,y_addr,uv_addr);
483 spin_lock(&lcdc_dev->reg_lock);
484 if(likely(lcdc_dev->clk_on))
486 LcdWrReg(lcdc_dev, WIN1_YRGB_MST, y_addr);
489 spin_unlock(&lcdc_dev->reg_lock);
494 static int win0_set_par(struct rk3066b_lcdc_device *lcdc_dev,rk_screen *screen,
495 struct layer_par *par )
497 u32 xact, yact, xvir, yvir, xpos, ypos;
498 u32 ScaleYrgbX = 0x1000;
499 u32 ScaleYrgbY = 0x1000;
500 u32 ScaleCbrX = 0x1000;
501 u32 ScaleCbrY = 0x1000;
502 u8 fmt_cfg =0 ; //data format register config value
503 char fmt[9] = "NULL";
504 xact = par->xact; //active (origin) picture window width/height
506 xvir = par->xvir; // virtual resolution
508 xpos = par->xpos+screen->left_margin + screen->hsync_len;
509 ypos = par->ypos+screen->upper_margin + screen->vsync_len;
511 DBG(1,"%s for lcdc%d>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
512 __func__,lcdc_dev->id,get_format_string(par->format,fmt),xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);
514 ScaleYrgbX = CalScale(xact, par->xsize); //both RGB and yuv need this two factor
515 ScaleYrgbY = CalScale(yact, par->ysize);
526 case YUV422:// yuv422
528 ScaleCbrX = CalScale((xact/2), par->xsize);
529 ScaleCbrY = CalScale(yact, par->ysize);
531 case YUV420: // yuv420
533 ScaleCbrX = CalScale(xact/2, par->xsize);
534 ScaleCbrY = CalScale(yact/2, par->ysize);
536 case YUV444:// yuv444
538 ScaleCbrX = CalScale(xact, par->xsize);
539 ScaleCbrY = CalScale(yact, par->ysize);
542 printk("%s:un supported format\n",__func__);
547 spin_lock(&lcdc_dev->reg_lock);
548 if(likely(lcdc_dev->clk_on))
550 LcdWrReg(lcdc_dev, WIN0_SCL_FACTOR_YRGB, v_X_SCL_FACTOR(ScaleYrgbX) | v_Y_SCL_FACTOR(ScaleYrgbY));
551 LcdWrReg(lcdc_dev, WIN0_SCL_FACTOR_CBR,v_X_SCL_FACTOR(ScaleCbrX)| v_Y_SCL_FACTOR(ScaleCbrY));
552 LcdMskReg(lcdc_dev,SYS_CFG, m_W0_FORMAT, v_W0_FORMAT(fmt_cfg)); //(inf->video_mode==0)
553 LcdWrReg(lcdc_dev, WIN0_ACT_INFO,v_ACT_WIDTH(xact) | v_ACT_HEIGHT(yact));
554 LcdWrReg(lcdc_dev, WIN0_DSP_ST, v_DSP_STX(xpos) | v_DSP_STY(ypos));
555 LcdWrReg(lcdc_dev, WIN0_DSP_INFO, v_DSP_WIDTH(par->xsize)| v_DSP_HEIGHT(par->ysize));
556 LcdMskReg(lcdc_dev, WIN0_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,
557 v_COLORKEY_EN(0) | v_KEYCOLOR(0));
558 LcdWrReg(lcdc_dev,WIN0_VIR,v_VIRWIDTH(xvir));
559 //LCDC_REG_CFG_DONE();
561 spin_unlock(&lcdc_dev->reg_lock);
567 static int win1_set_par(struct rk3066b_lcdc_device *lcdc_dev,rk_screen *screen,
568 struct layer_par *par )
570 u32 xact, yact, xvir, yvir, xpos, ypos;
577 xpos = par->xpos+screen->left_margin + screen->hsync_len;
578 ypos = par->ypos+screen->upper_margin + screen->vsync_len;
581 DBG(1,"%s for lcdc%d>>format:%s>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
582 __func__,lcdc_dev->id,get_format_string(par->format,fmt),xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);
585 spin_lock(&lcdc_dev->reg_lock);
586 if(likely(lcdc_dev->clk_on))
599 printk("%s:un supported format\n",__func__);
603 LcdMskReg(lcdc_dev,SYS_CFG, m_W1_FORMAT, v_W1_FORMAT(fmt_cfg));
604 LcdWrReg(lcdc_dev, WIN1_DSP_ST,v_DSP_STX(xpos) | v_DSP_STY(ypos));
605 LcdWrReg(lcdc_dev, WIN1_DSP_INFO,v_DSP_WIDTH(par->xsize) | v_DSP_HEIGHT(par->ysize));
606 // enable win1 color key and set the color to black(rgb=0)
607 LcdMskReg(lcdc_dev,WIN1_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,v_COLORKEY_EN(1) | v_KEYCOLOR(0));
608 LcdWrReg(lcdc_dev,WIN1_VIR,v_VIRWIDTH(xvir));
610 //LCDC_REG_CFG_DONE();
612 spin_unlock(&lcdc_dev->reg_lock);
616 static int rk3066b_lcdc_open(struct rk_lcdc_device_driver *dev_drv,int layer_id,bool open)
621 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
623 if((open) && (!lcdc_dev->atv_layer_cnt)) //enable clk,when first layer open
625 rk3066b_lcdc_clk_enable(lcdc_dev);
626 rk3066b_lcdc_reg_resume(lcdc_dev); //resume reg
627 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
628 rk3066b_load_screen(dev_drv,1);
629 spin_lock(&lcdc_dev->reg_lock);
630 if(dev_drv->cur_screen->dsp_lut) //resume dsp lut
632 LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(0));
635 mdelay(25); //wait for dsp lut disabled
638 v = dev_drv->cur_screen->dsp_lut[i];
639 c = lcdc_dev->dsp_lut_addr_base+i;
642 LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(1));//enable dsp lut
644 spin_unlock(&lcdc_dev->reg_lock);
648 win0_open(lcdc_dev,open);
650 else if(layer_id == 1)
652 win1_open(lcdc_dev,open);
655 if((!open) && (!lcdc_dev->atv_layer_cnt)) //when all layer closed,disable clk
657 LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
658 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
660 rk3066b_lcdc_clk_disable(lcdc_dev);
665 static int rk3066b_lcdc_set_par(struct rk_lcdc_device_driver *dev_drv,int layer_id)
667 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
668 struct layer_par *par = NULL;
669 rk_screen *screen = dev_drv->cur_screen;
672 printk(KERN_ERR "screen is null!\n");
677 par = dev_drv->layer_par[0];
678 win0_set_par(lcdc_dev,screen,par);
682 par = dev_drv->layer_par[1];
683 win1_set_par(lcdc_dev,screen,par);
689 int rk3066b_lcdc_pan_display(struct rk_lcdc_device_driver * dev_drv,int layer_id)
691 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
692 struct layer_par *par = NULL;
693 rk_screen *screen = dev_drv->cur_screen;
698 printk(KERN_ERR "screen is null!\n");
703 par = dev_drv->layer_par[0];
704 win0_display(lcdc_dev,par);
708 par = dev_drv->layer_par[1];
709 win1_display(lcdc_dev,par);
711 if((dev_drv->first_frame)) //this is the first frame of the system ,enable frame start interrupt
713 dev_drv->first_frame = 0;
714 LcdMskReg(lcdc_dev,INT_STATUS,m_HOR_STARTMASK | m_FRM_STARTMASK | m_SCANNING_MASK |
715 m_HOR_STARTCLEAR | m_FRM_STARTCLEAR |m_SCANNING_CLEAR | m_SCAN_LINE_NUM,
716 v_HOR_STARTMASK(1) | v_FRM_STARTMASK(0) | v_SCANNING_MASK(0) |
717 v_HOR_STARTCLEAR(1) | v_FRM_STARTCLEAR(1) | v_SCANNING_CLEAR(1) |
718 //v_SCANNING_CLEAR(screen->vsync_len + screen->upper_margin+screen->y_res -1));
719 v_SCAN_LINE_NUM(screen->vsync_len + screen->upper_margin+screen->y_res -1));
720 LCDC_REG_CFG_DONE(); // write any value to REG_CFG_DONE let config become effective
725 if(dev_drv->num_buf < 3) //3buffer ,no need to wait for sysn
727 spin_lock_irqsave(&dev_drv->cpl_lock,flags);
728 init_completion(&dev_drv->frame_done);
729 spin_unlock_irqrestore(&dev_drv->cpl_lock,flags);
730 timeout = wait_for_completion_timeout(&dev_drv->frame_done,msecs_to_jiffies(dev_drv->cur_screen->ft+5));
731 if(!timeout&&(!dev_drv->frame_done.done))
733 printk(KERN_ERR "wait for new frame start time out!\n");
742 int rk3066b_lcdc_ioctl(struct rk_lcdc_device_driver * dev_drv,unsigned int cmd, unsigned long arg,int layer_id)
744 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
746 void __user *argp = (void __user *)arg;
750 case RK_FBIOGET_PANEL_SIZE: //get panel size
751 panel_size[0] = lcdc_dev->screen->x_res;
752 panel_size[1] = lcdc_dev->screen->y_res;
753 if(copy_to_user(argp, panel_size, 8))
762 static int rk3066b_lcdc_get_layer_state(struct rk_lcdc_device_driver *dev_drv,int layer_id)
764 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
765 struct layer_par *par = dev_drv->layer_par[layer_id];
767 spin_lock(&lcdc_dev->reg_lock);
772 par->state = LcdReadBit(lcdc_dev,SYS_CFG,m_W0_EN);
774 else if( layer_id == 1)
776 par->state = LcdReadBit(lcdc_dev,SYS_CFG,m_W1_EN);
779 spin_unlock(&lcdc_dev->reg_lock);
785 /***********************************
787 swap:1 win0 on the top of win1
788 0 win1 on the top of win0
791 ************************************/
792 static int rk3066b_lcdc_ovl_mgr(struct rk_lcdc_device_driver *dev_drv,int swap,bool set)
794 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
796 spin_lock(&lcdc_dev->reg_lock);
799 if(set) //set overlay
801 LcdMskReg(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP,v_W0W1_POSITION_SWAP(swap));
802 LcdWrReg(lcdc_dev, REG_CFG_DONE, 0x01);
808 ovl = LcdReadBit(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP);
815 spin_unlock(&lcdc_dev->reg_lock);
820 static ssize_t rk3066b_lcdc_get_disp_info(struct rk_lcdc_device_driver *dev_drv,char *buf,int layer_id)
823 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
824 char format_w0[9]= "NULL";
825 char format_w1[9]= "NULL";
826 char status_w0[9]= "NULL";
827 char status_w1[9]= "NULL";
828 u32 fmt_id = LcdRdReg(lcdc_dev,SYS_CFG);
829 u32 act_info,dsp_info,dsp_st,factor;
830 u16 xvir_w0,x_act_w0,y_act_w0,x_dsp_w0,y_dsp_w0,x_st_w0,y_st_w0;
831 u16 xvir_w1,x_dsp_w1,y_dsp_w1,x_st_w1,y_st_w1;
833 int ovl = LcdReadBit(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP);
835 switch((fmt_id&m_W0_FORMAT)>>3)
838 strcpy(format_w0,"ARGB888");
841 strcpy(format_w0,"RGB565");
844 strcpy(format_w0,"YCbCr422");
847 strcpy(format_w0,"YCbCr420");
850 strcpy(format_w0,"YCbCr444");
853 strcpy(format_w0,"invalid\n");
857 switch((fmt_id&m_W1_FORMAT)>>2)
860 strcpy(format_w1,"ARGB888");
863 strcpy(format_w1,"RGB565");
866 strcpy(format_w1,"invalid\n");
870 if((fmt_id&m_W0_EN)>>11)
872 strcpy(status_w0,"enabled");
876 strcpy(status_w0,"disabled");
879 if((fmt_id&m_W1_EN)>>10)
881 strcpy(status_w1,"enabled");
885 strcpy(status_w1,"disabled");
888 xvir_w0 = LcdRdReg(lcdc_dev,WIN0_VIR)&0xffff;
889 act_info = LcdRdReg(lcdc_dev,WIN0_ACT_INFO);
890 dsp_info = LcdRdReg(lcdc_dev,WIN0_DSP_INFO);
891 dsp_st = LcdRdReg(lcdc_dev,WIN0_DSP_ST);
892 factor = LcdRdReg(lcdc_dev,WIN0_SCL_FACTOR_YRGB);
893 x_act_w0 = (act_info&0xffff);
894 y_act_w0 = (act_info>>16);
895 x_dsp_w0 = (dsp_info&0x7ff);
896 y_dsp_w0 = (dsp_info>>16);
897 x_scale = 4096*100/(factor&0xffff);
898 y_scale = 4096*100/(factor>>16);
899 x_st_w0 = dsp_st&0xffff;
900 y_st_w0 = dsp_st>>16;
903 xvir_w1 = LcdRdReg(lcdc_dev,WIN1_VIR)&0xffff;
904 dsp_info = LcdRdReg(lcdc_dev,WIN1_DSP_INFO);
905 dsp_st = LcdRdReg(lcdc_dev,WIN1_DSP_ST);
906 x_dsp_w1 = dsp_info&0x7ff;
907 y_dsp_w1 = dsp_info>>16;
908 x_st_w1 = dsp_st&0xffff;
909 y_st_w1 = dsp_st>>16;
911 return snprintf(buf,PAGE_SIZE,
923 "YRGB buffer addr:0x%08x\n"
924 "CBR buffer addr:0x%08x\n\n"
932 "YRGB buffer addr:0x%08x\n"
947 LcdRdReg(lcdc_dev,WIN0_YRGB_MST),
948 LcdRdReg(lcdc_dev,WIN0_CBR_MST),
956 LcdRdReg(lcdc_dev,WIN1_YRGB_MST),
957 ovl ? "win0 on the top of win1\n":"win1 on the top of win0\n");
962 /*******************************************
963 lcdc fps manager,set or get lcdc fps
966 ********************************************/
967 static int rk3066b_lcdc_fps_mgr(struct rk_lcdc_device_driver *dev_drv,int fps,bool set)
969 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
970 rk_screen * screen = dev_drv->cur_screen;
977 ft = div_u64(1000000000000llu,fps);
978 dev_drv->pixclock = div_u64(ft,(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
979 (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len));
980 dotclk = div_u64(1000000000000llu,dev_drv->pixclock);
981 ret = clk_set_rate(lcdc_dev->dclk, dotclk);
984 printk(KERN_ERR ">>>>>> set lcdc%d dclk failed\n",lcdc_dev->id);
986 dev_drv->pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
990 ft = (u64)(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
991 (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)*
992 (dev_drv->pixclock); // one frame time ,(pico seconds)
993 fps = div64_u64(1000000000000llu,ft);
994 screen->ft = 1000/fps ; //one frame time in ms
998 static int rk3066b_fb_layer_remap(struct rk_lcdc_device_driver *dev_drv,
999 enum fb_win_map_order order)
1001 mutex_lock(&dev_drv->fb_win_id_mutex);
1002 if(order == FB_DEFAULT_ORDER)
1004 order = FB0_WIN0_FB1_WIN1_FB2_WIN2;
1006 dev_drv->fb2_win_id = order/100;
1007 dev_drv->fb1_win_id = (order/10)%10;
1008 dev_drv->fb0_win_id = order%10;
1009 mutex_unlock(&dev_drv->fb_win_id_mutex);
1011 printk("fb0:win%d\nfb1:win%d\nfb2:win%d\n",dev_drv->fb0_win_id,dev_drv->fb1_win_id,
1012 dev_drv->fb2_win_id);
1017 static int rk3066b_fb_get_layer(struct rk_lcdc_device_driver *dev_drv,const char *id)
1020 mutex_lock(&dev_drv->fb_win_id_mutex);
1021 if(!strcmp(id,"fb0") || !strcmp(id,"fb2"))
1023 layer_id = dev_drv->fb0_win_id;
1025 else if(!strcmp(id,"fb1") || !strcmp(id,"fb3"))
1027 layer_id = dev_drv->fb1_win_id;
1031 printk(KERN_ERR "%s>>un supported %s\n",__func__,id);
1034 mutex_unlock(&dev_drv->fb_win_id_mutex);
1040 static void rk3066b_lcdc_reg_dump(struct rk3066b_lcdc_device *lcdc_dev)
1042 int *cbase = (int *)lcdc_dev->reg_vir_base;
1045 for(i=0; i<=(0xa0>>4);i++)
1048 printk("%08x ",readl(cbase+i*4 +j));
1054 int rk3066b_lcdc_early_suspend(struct rk_lcdc_device_driver *dev_drv)
1056 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
1058 if(dev_drv->screen0->standby)
1059 dev_drv->screen0->standby(1);
1060 if(dev_drv->screen_ctr_info->io_disable)
1061 dev_drv->screen_ctr_info->io_disable();
1063 spin_lock(&lcdc_dev->reg_lock);
1064 if(likely(lcdc_dev->clk_on))
1066 lcdc_dev->clk_on = 0;
1067 LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
1068 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
1069 LCDC_REG_CFG_DONE();
1070 spin_unlock(&lcdc_dev->reg_lock);
1072 else //clk already disabled
1074 spin_unlock(&lcdc_dev->reg_lock);
1078 rk3066b_lcdc_clk_disable(lcdc_dev);
1084 int rk3066b_lcdc_early_resume(struct rk_lcdc_device_driver *dev_drv)
1086 struct rk3066b_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3066b_lcdc_device,driver);
1091 if(dev_drv->screen_ctr_info->io_enable) //power on
1092 dev_drv->screen_ctr_info->io_enable();
1094 if(lcdc_dev->atv_layer_cnt) //only resume the lcdc that need to use
1097 rk3066b_lcdc_clk_enable(lcdc_dev);
1099 memcpy((u8*)lcdc_dev->preg, (u8*)&lcdc_dev->regbak, 0x24); //resume reg ,skip INT_STATUS reg
1100 memcpy(((u8*)lcdc_dev->preg) + 0x28,((u8*)&lcdc_dev->regbak) + 0x28, 0x74);
1102 spin_lock(&lcdc_dev->reg_lock);
1104 if(dev_drv->cur_screen->dsp_lut) //resume dsp lut
1106 LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(0));
1107 LCDC_REG_CFG_DONE();
1109 mdelay(25); //wait for dsp lut disabled
1112 v = dev_drv->cur_screen->dsp_lut[i];
1113 c = lcdc_dev->dsp_lut_addr_base+i;
1114 writel_relaxed(v,c);
1116 LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(1));//enable dsp lut
1118 LcdMskReg(lcdc_dev, SYS_CFG,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
1119 LcdMskReg(lcdc_dev, INT_STATUS, m_SCANNING_CLEAR | m_FRM_STARTCLEAR | m_HOR_STARTCLEAR |
1120 m_SCANNING_MASK | m_HOR_STARTMASK | m_FRM_STARTMASK ,
1121 v_SCANNING_CLEAR(1) | v_FRM_STARTCLEAR(1) | v_HOR_STARTCLEAR(1) |
1122 v_SCANNING_MASK(0) | v_FRM_STARTMASK(0) | v_HOR_STARTMASK(1));
1123 LCDC_REG_CFG_DONE();
1125 spin_unlock(&lcdc_dev->reg_lock);
1129 if(dev_drv->screen0->standby)
1130 dev_drv->screen0->standby(0); //screen wake up
1135 static int no_report(struct rk3066b_lcdc_device *lcdc_dev)
1137 struct rk_lcdc_device_driver *dev = &(lcdc_dev->driver);
1138 static u32 lcdc0_old_addr = 0,cur_addr = 0;
1139 static u32 mode = 0,num = 0;
1140 static u32 cur_state = 0,old_state = 0;
1142 if(dev->screen_ctr_info->prop == PRMRY){
1143 cur_addr = LcdRdReg(lcdc_dev,WIN0_YRGB_MST);
1144 if(lcdc0_old_addr != cur_addr){
1145 if(cur_state++ > 10000)
1148 lcdc0_old_addr = cur_addr;
1152 if(old_state == cur_state){
1153 if(num++>10 && mode != 0)
1161 if(mode == 1 && old_state == cur_state){
1165 old_state = cur_state;
1170 static irqreturn_t rk3066b_lcdc_isr(int irq, void *dev_id)
1172 struct rk3066b_lcdc_device *lcdc_dev = (struct rk3066b_lcdc_device *)dev_id;
1174 u32 int_reg = LcdRdReg(lcdc_dev,INT_STATUS);
1175 if(int_reg & m_FRM_START){
1176 ktime_t timestamp = ktime_get();
1178 LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
1180 #if defined(CONFIG_FB_ROTATE) || !defined(CONFIG_THREE_FB_BUFFER)
1181 if(hdmi_get_hotplug() == HDMI_HPD_ACTIVED){
1182 if(no_report(lcdc_dev)){
1187 //LcdMskReg(lcdc_dev, INT_STATUS, m_LINE_FLAG_INT_CLEAR, v_LINE_FLAG_INT_CLEAR(1));
1190 if(lcdc_dev->driver.num_buf < 3) //three buffer ,no need to wait for sync
1192 spin_lock(&(lcdc_dev->driver.cpl_lock));
1193 complete(&(lcdc_dev->driver.frame_done));
1194 spin_unlock(&(lcdc_dev->driver.cpl_lock));
1198 lcdc_dev->driver.vsync_info.timestamp = timestamp;
1199 wake_up_interruptible_all(&lcdc_dev->driver.vsync_info.wait);
1201 else if(int_reg & m_SCANNING_FLAG){
1202 LcdMskReg(lcdc_dev, INT_STATUS, m_SCANNING_CLEAR, v_SCANNING_CLEAR(1));
1208 static int rk3066b_set_dsp_lut(struct rk_lcdc_device_driver *dev_drv,int *lut)
1215 struct rk3066b_lcdc_device *lcdc_dev =
1216 container_of(dev_drv,struct rk3066b_lcdc_device,driver);
1217 LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(0));
1218 LCDC_REG_CFG_DONE();
1220 if(dev_drv->cur_screen->dsp_lut)
1224 v = dev_drv->cur_screen->dsp_lut[i] = lut[i];
1225 c = lcdc_dev->dsp_lut_addr_base+i;
1226 writel_relaxed(v,c);
1231 dev_err(dev_drv->dev,"no buffer to backup lut data!\n");
1234 LcdMskReg(lcdc_dev,SYS_CFG,m_DSIP_LUT_CTL,v_DSIP_LUT_CTL(1));
1235 LCDC_REG_CFG_DONE();
1240 int rk3066b_lcdc_poll_vblank(struct rk_lcdc_device_driver * dev_drv)
1242 struct rk3066b_lcdc_device *lcdc_dev =
1243 container_of(dev_drv,struct rk3066b_lcdc_device,driver);
1246 //spin_lock(&lcdc_dev->reg_lock);
1247 if(lcdc_dev->clk_on)
1249 int_reg = LcdRdReg(lcdc_dev,INT_STATUS);
1250 if(int_reg & m_SCANNING_FLAG)
1252 LcdMskReg(lcdc_dev, INT_STATUS, m_SCANNING_CLEAR,v_SCANNING_CLEAR(1));
1253 ret = RK_LF_STATUS_FC;
1256 ret = RK_LF_STATUS_FR;
1260 ret = RK_LF_STATUS_NC;
1262 //spin_unlock(&lcdc_dev->reg_lock);
1268 static struct layer_par lcdc_layer[] = {
1277 .support_3d = false,
1281 static struct rk_lcdc_device_driver lcdc_driver = {
1283 .def_layer_par = lcdc_layer,
1284 .num_layer = ARRAY_SIZE(lcdc_layer),
1285 .open = rk3066b_lcdc_open,
1286 .init_lcdc = init_rk3066b_lcdc,
1287 .ioctl = rk3066b_lcdc_ioctl,
1288 .suspend = rk3066b_lcdc_early_suspend,
1289 .resume = rk3066b_lcdc_early_resume,
1290 .set_par = rk3066b_lcdc_set_par,
1291 .blank = rk3066b_lcdc_blank,
1292 .pan_display = rk3066b_lcdc_pan_display,
1293 .load_screen = rk3066b_load_screen,
1294 .get_layer_state = rk3066b_lcdc_get_layer_state,
1295 .ovl_mgr = rk3066b_lcdc_ovl_mgr,
1296 .get_disp_info = rk3066b_lcdc_get_disp_info,
1297 .fps_mgr = rk3066b_lcdc_fps_mgr,
1298 .fb_get_layer = rk3066b_fb_get_layer,
1299 .fb_layer_remap = rk3066b_fb_layer_remap,
1300 .set_dsp_lut = rk3066b_set_dsp_lut,
1301 .poll_vblank = rk3066b_lcdc_poll_vblank,
1304 static int rk3066b_lcdc_suspend(struct platform_device *pdev, pm_message_t state)
1309 static int rk3066b_lcdc_resume(struct platform_device *pdev)
1315 #define rk3066b_lcdc_suspend NULL
1316 #define rk3066b_lcdc_resume NULL
1319 static int __devinit rk3066b_lcdc_probe (struct platform_device *pdev)
1321 struct rk3066b_lcdc_device *lcdc_dev=NULL;
1324 struct rk29fb_info *screen_ctr_info;
1325 struct resource *res = NULL;
1326 struct resource *mem;
1329 /*************Malloc rk3066blcdc_inf and set it to pdev for drvdata**********/
1330 lcdc_dev = kzalloc(sizeof(struct rk3066b_lcdc_device), GFP_KERNEL);
1333 dev_err(&pdev->dev, ">>rk3066b lcdc device kmalloc fail!");
1336 platform_set_drvdata(pdev, lcdc_dev);
1337 lcdc_dev->id = pdev->id;
1338 screen_ctr_info = (struct rk29fb_info * )pdev->dev.platform_data;
1339 screen = kzalloc(sizeof(rk_screen), GFP_KERNEL);
1342 dev_err(&pdev->dev, ">>rk3066b lcdc screen kmalloc fail!");
1348 lcdc_dev->screen = screen;
1350 screen->lcdc_id = lcdc_dev->id;
1351 screen->screen_id = 0;
1353 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)&& (defined(CONFIG_RK610_LVDS) || defined(CONFIG_RK616_LVDS))
1354 screen1 = kzalloc(sizeof(rk_screen), GFP_KERNEL);
1357 dev_err(&pdev->dev, ">>rk3066b lcdc screen1 kmalloc fail!");
1361 screen1->lcdc_id = 1;
1362 screen1->screen_id = 1;
1363 printk("use lcdc%d and rk610 implemention dual display!\n",lcdc_dev->id);
1366 /****************get lcdc0 reg *************************/
1367 res = platform_get_resource(pdev, IORESOURCE_MEM,0);
1370 dev_err(&pdev->dev, "failed to get io resource for lcdc%d \n",lcdc_dev->id);
1374 lcdc_dev->reg_phy_base = res->start;
1375 lcdc_dev->len = resource_size(res);
1376 mem = request_mem_region(lcdc_dev->reg_phy_base, resource_size(res), pdev->name);
1379 dev_err(&pdev->dev, "failed to request mem region for lcdc%d\n",lcdc_dev->id);
1383 lcdc_dev->reg_vir_base = ioremap(lcdc_dev->reg_phy_base, resource_size(res));
1384 if (lcdc_dev->reg_vir_base == NULL)
1386 dev_err(&pdev->dev, "cannot map IO\n");
1391 lcdc_dev->preg = (LCDC_REG*)lcdc_dev->reg_vir_base;
1392 printk("lcdc%d:reg_phy_base = 0x%08x,reg_vir_base:0x%p\n",pdev->id,lcdc_dev->reg_phy_base, lcdc_dev->preg);
1393 lcdc_dev->dsp_lut_addr_base = (lcdc_dev->reg_vir_base+DSP_LUT_ADDR);
1395 lcdc_dev->driver.dev=&pdev->dev;
1396 lcdc_dev->driver.screen0 = screen;
1397 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)&& (defined(CONFIG_RK610_LVDS) || defined(CONFIG_RK616_LVDS))
1398 lcdc_dev->driver.screen1 = screen1;
1400 lcdc_dev->driver.cur_screen = screen;
1401 lcdc_dev->driver.screen_ctr_info = screen_ctr_info;
1402 spin_lock_init(&lcdc_dev->reg_lock);
1403 lcdc_dev->irq = platform_get_irq(pdev, 0);
1404 if(lcdc_dev->irq < 0)
1406 dev_err(&pdev->dev, "cannot find IRQ\n");
1409 ret = request_irq(lcdc_dev->irq, rk3066b_lcdc_isr, IRQF_DISABLED,dev_name(&pdev->dev),lcdc_dev);
1412 dev_err(&pdev->dev, "cannot requeset irq %d - err %d\n", lcdc_dev->irq, ret);
1417 if(screen_ctr_info->set_screen_info)
1419 screen_ctr_info->set_screen_info(screen,screen_ctr_info->lcd_info);
1420 if(SCREEN_NULL==screen->type)
1422 printk(KERN_WARNING "no display device on lcdc%d!?\n",lcdc_dev->id);
1425 if(screen_ctr_info->io_init)
1426 screen_ctr_info->io_init(NULL);
1430 printk(KERN_WARNING "no display device on lcdc%d!?\n",lcdc_dev->id);
1435 ret = rk_fb_register(&(lcdc_dev->driver),&lcdc_driver,lcdc_dev->id);
1438 printk(KERN_ERR "register fb for lcdc%d failed!\n",lcdc_dev->id);
1441 printk("rk3066b lcdc%d probe ok!\n",lcdc_dev->id);
1446 free_irq(lcdc_dev->irq,lcdc_dev);
1448 iounmap(lcdc_dev->reg_vir_base);
1450 release_mem_region(lcdc_dev->reg_phy_base,resource_size(res));
1454 platform_set_drvdata(pdev, NULL);
1459 static int __devexit rk3066b_lcdc_remove(struct platform_device *pdev)
1461 struct rk3066b_lcdc_device *lcdc_dev = platform_get_drvdata(pdev);
1462 rk_fb_unregister(&(lcdc_dev->driver));
1463 rk3066b_lcdc_deinit(lcdc_dev);
1464 iounmap(lcdc_dev->reg_vir_base);
1465 release_mem_region(lcdc_dev->reg_phy_base,lcdc_dev->len);
1466 kfree(lcdc_dev->screen);
1471 static void rk3066b_lcdc_shutdown(struct platform_device *pdev)
1473 struct rk3066b_lcdc_device *lcdc_dev = platform_get_drvdata(pdev);
1474 if(lcdc_dev->driver.cur_screen->standby) //standby the screen if necessary
1475 lcdc_dev->driver.cur_screen->standby(1);
1476 if(lcdc_dev->driver.screen_ctr_info->io_disable) //power off the screen if necessary
1477 lcdc_dev->driver.screen_ctr_info->io_disable();
1478 if(lcdc_dev->driver.cur_screen->sscreen_set) //turn off lvds if necessary
1479 lcdc_dev->driver.cur_screen->sscreen_set(lcdc_dev->driver.cur_screen , 0);
1481 rk3066b_lcdc_deinit(lcdc_dev);
1482 //rk_fb_unregister(&(lcdc_dev->driver));
1484 /*iounmap(lcdc_dev->reg_vir_base);
1485 release_mem_region(lcdc_dev->reg_phy_base,lcdc_dev->len);
1486 kfree(lcdc_dev->screen);
1491 static struct platform_driver rk3066b_lcdc_driver = {
1492 .probe = rk3066b_lcdc_probe,
1493 .remove = __devexit_p(rk3066b_lcdc_remove),
1495 .name = "rk30-lcdc",
1496 .owner = THIS_MODULE,
1498 .suspend = rk3066b_lcdc_suspend,
1499 .resume = rk3066b_lcdc_resume,
1500 .shutdown = rk3066b_lcdc_shutdown,
1503 static int __init rk3066b_lcdc_init(void)
1505 return platform_driver_register(&rk3066b_lcdc_driver);
1508 static void __exit rk3066b_lcdc_exit(void)
1510 platform_driver_unregister(&rk3066b_lcdc_driver);
1515 fs_initcall(rk3066b_lcdc_init);
1516 module_exit(rk3066b_lcdc_exit);