-/*
- * drivers/video/rockchip/chips/rk30_lcdc.c
- *
- * Copyright (C) 2012 ROCKCHIP, Inc.
- *Author:yzq<yzq@rock-chips.com>
- * yxj<yxj@rock-chips.com>
- *This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/earlysuspend.h>
-#include <asm/div64.h>
-#include <asm/uaccess.h>
-#include "rk30_lcdc.h"
-
-
-
-
-
-
-static int dbg_thresd = 0;
-module_param(dbg_thresd, int, S_IRUGO|S_IWUSR);
-#define DBG(level,x...) do { if(unlikely(dbg_thresd >= level)) printk(KERN_INFO x); } while (0)
-
-
-static int rk30_lcdc_init(struct rk_lcdc_device_driver *dev_drv)
-{
- int i = 0;
- int __iomem *c;
- int v;
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- if(lcdc_dev->id == 0) //lcdc0
- {
- lcdc_dev->pd = clk_get(NULL,"pd_lcdc0");
- lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc0");
- lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc0");
- lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc0");
- }
- else if(lcdc_dev->id == 1)
- {
- lcdc_dev->pd = clk_get(NULL,"pd_lcdc1");
- lcdc_dev->hclk = clk_get(NULL,"hclk_lcdc1");
- lcdc_dev->aclk = clk_get(NULL,"aclk_lcdc1");
- lcdc_dev->dclk = clk_get(NULL,"dclk_lcdc1");
- }
- else
- {
- printk(KERN_ERR "invalid lcdc device!\n");
- return -EINVAL;
- }
- if (IS_ERR(lcdc_dev->pd) || (IS_ERR(lcdc_dev->aclk)) ||(IS_ERR(lcdc_dev->dclk)) || (IS_ERR(lcdc_dev->hclk)))
- {
- printk(KERN_ERR "failed to get lcdc%d clk source\n",lcdc_dev->id);
- }
- clk_enable(lcdc_dev->pd);
- clk_enable(lcdc_dev->hclk); //enable aclk and hclk for register config
- clk_enable(lcdc_dev->aclk);
- lcdc_dev->clk_on = 1;
- LcdMskReg(lcdc_dev,SYS_CTRL0,m_HWC_CHANNEL_ID | m_WIN2_CHANNEL_ID | m_WIN1_CBR_CHANNEL_ID |
- m_WIN1_YRGB_CHANNEL_ID | m_WIN0_CBR_CHANNEL1_ID | m_WIN0_YRGB_CHANNEL1_ID |
- m_WIN0_CBR_CHANNEL0_ID | m_WIN0_YRGB_CHANNEL0_ID,v_HWC_CHANNEL_ID(7) |
- v_WIN2_CHANNEL_ID(6) | v_WIN1_CBR_CHANNEL_ID(5) | v_WIN1_YRGB_CHANNEL_ID(4) |
- v_WIN0_CBR_CHANNEL1_ID(3) | v_WIN0_YRGB_CHANNEL1_ID(2) | v_WIN0_CBR_CHANNEL0_ID(1) |
- v_WIN0_YRGB_CHANNEL0_ID(0)); //channel id ,just use default value
- LcdSetBit(lcdc_dev,DSP_CTRL0, m_LCDC_AXICLK_AUTO_ENABLE);//eanble axi-clk auto gating for low power
- LcdMskReg(lcdc_dev,INT_STATUS,m_FRM_START_INT_CLEAR | m_BUS_ERR_INT_CLEAR | m_LINE_FLAG_INT_EN |
- m_FRM_START_INT_EN | m_HOR_START_INT_EN,v_FRM_START_INT_CLEAR(1) | v_BUS_ERR_INT_CLEAR(0) |
- v_LINE_FLAG_INT_EN(0) | v_FRM_START_INT_EN(0) | v_HOR_START_INT_EN(0)); //enable frame start interrupt for sync
- if(dev_drv->cur_screen->dsp_lut)
- {
- LcdMskReg(lcdc_dev,SYS_CTRL1,m_DSP_LUT_RAM_EN,v_DSP_LUT_RAM_EN(0));
- LCDC_REG_CFG_DONE();
- msleep(25);
- for(i=0;i<256;i++)
- {
- v = dev_drv->cur_screen->dsp_lut[i];
- c = lcdc_dev->dsp_lut_addr_base+i;
- writel_relaxed(v,c);
-
- }
- LcdMskReg(lcdc_dev,SYS_CTRL1,m_DSP_LUT_RAM_EN,v_DSP_LUT_RAM_EN(1));
- }
- LCDC_REG_CFG_DONE(); // write any value to REG_CFG_DONE let config become effective
- return 0;
-}
-
-static int rk30_lcdc_deinit(struct rk30_lcdc_device *lcdc_dev)
-{
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- lcdc_dev->clk_on = 0;
- LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_START_INT_CLEAR, v_FRM_START_INT_CLEAR(1));
- LcdMskReg(lcdc_dev, INT_STATUS, m_HOR_START_INT_EN | m_FRM_START_INT_EN |
- m_LINE_FLAG_INT_EN | m_BUS_ERR_INT_EN,v_HOR_START_INT_EN(0) | v_FRM_START_INT_EN(0) |
- v_LINE_FLAG_INT_EN(0) | v_BUS_ERR_INT_EN(0)); //disable all lcdc interrupt
- LcdSetBit(lcdc_dev,SYS_CTRL0,m_LCDC_STANDBY);
- LCDC_REG_CFG_DONE();
- spin_unlock(&lcdc_dev->reg_lock);
- }
- else //clk already disabled
- {
- spin_unlock(&lcdc_dev->reg_lock);
- return 0;
- }
- mdelay(1);
-
- return 0;
-}
-
-static int rk30_load_screen(struct rk_lcdc_device_driver *dev_drv, bool initscreen)
-{
- int ret = -EINVAL;
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- rk_screen *screen = dev_drv->cur_screen;
- u64 ft;
- int fps;
- u16 face;
- u16 mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend;
- u16 right_margin = screen->right_margin;
- u16 lower_margin = screen->lower_margin;
- u16 x_res = screen->x_res, y_res = screen->y_res;
-
- // set the rgb or mcu
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- if(screen->type==SCREEN_MCU)
- {
- LcdMskReg(lcdc_dev, MCU_CTRL, m_MCU_OUTPUT_SELECT,v_MCU_OUTPUT_SELECT(1));
- // set out format and mcu timing
- mcu_total = (screen->mcu_wrperiod*150*1000)/1000000;
- if(mcu_total>31)
- mcu_total = 31;
- if(mcu_total<3)
- mcu_total = 3;
- mcu_rwstart = (mcu_total+1)/4 - 1;
- mcu_rwend = ((mcu_total+1)*3)/4 - 1;
- mcu_csstart = (mcu_rwstart>2) ? (mcu_rwstart-3) : (0);
- mcu_csend = (mcu_rwend>15) ? (mcu_rwend-1) : (mcu_rwend);
-
- //DBG(1,">> mcu_total=%d, mcu_rwstart=%d, mcu_csstart=%d, mcu_rwend=%d, mcu_csend=%d \n",
- // mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend);
-
- // set horizontal & vertical out timing
-
- right_margin = x_res/6;
- screen->pixclock = 150000000; //mcu fix to 150 MHz
- LcdMskReg(lcdc_dev, MCU_CTRL,m_MCU_CS_ST | m_MCU_CS_END| m_MCU_RW_ST | m_MCU_RW_END |
- m_MCU_WRITE_PERIOD | m_MCU_HOLDMODE_SELECT | m_MCU_HOLDMODE_FRAME_ST,
- v_MCU_CS_ST(mcu_csstart) | v_MCU_CS_END(mcu_csend) | v_MCU_RW_ST(mcu_rwstart) |
- v_MCU_RW_END(mcu_rwend) | v_MCU_WRITE_PERIOD(mcu_total) |
- v_MCU_HOLDMODE_SELECT((SCREEN_MCU==screen->type)?(1):(0)) | v_MCU_HOLDMODE_FRAME_ST(0));
-
- }
-
- switch (screen->face)
- {
- case OUT_P565:
- face = OUT_P565;
- LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0));
- break;
- case OUT_P666:
- face = OUT_P666;
- LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1));
- break;
- case OUT_D888_P565:
- face = OUT_P888;
- LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0));
- break;
- case OUT_D888_P666:
- face = OUT_P888;
- LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1));
- break;
- case OUT_P888:
- face = OUT_P888;
- LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_UP_EN, v_DITHER_UP_EN(1));
- LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0));
- break;
- default:
- LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_UP_EN, v_DITHER_UP_EN(0));
- LcdMskReg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE, v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0));
- face = screen->face;
- break;
- }
-
- //use default overlay,set vsyn hsync den dclk polarity
- LcdMskReg(lcdc_dev, DSP_CTRL0,m_DISPLAY_FORMAT | m_HSYNC_POLARITY | m_VSYNC_POLARITY |
- m_DEN_POLARITY |m_DCLK_POLARITY,v_DISPLAY_FORMAT(face) |
- v_HSYNC_POLARITY(screen->pin_hsync) | v_VSYNC_POLARITY(screen->pin_vsync) |
- v_DEN_POLARITY(screen->pin_den) | v_DCLK_POLARITY(screen->pin_dclk));
-
- //set background color to black,set swap according to the screen panel,disable blank mode
- LcdMskReg(lcdc_dev, DSP_CTRL1, m_BG_COLOR | m_OUTPUT_RB_SWAP | m_OUTPUT_RG_SWAP | m_DELTA_SWAP |
- m_DUMMY_SWAP | m_BLANK_MODE,v_BG_COLOR(0x000000) | v_OUTPUT_RB_SWAP(screen->swap_rb) |
- v_OUTPUT_RG_SWAP(screen->swap_rg) | v_DELTA_SWAP(screen->swap_delta) | v_DUMMY_SWAP(screen->swap_dumy) |
- v_BLACK_MODE(0));
-
-
- LcdWrReg(lcdc_dev, DSP_HTOTAL_HS_END,v_HSYNC(screen->hsync_len) |
- v_HORPRD(screen->hsync_len + screen->left_margin + x_res + right_margin));
- LcdWrReg(lcdc_dev, DSP_HACT_ST_END, v_HAEP(screen->hsync_len + screen->left_margin + x_res) |
- v_HASP(screen->hsync_len + screen->left_margin));
-
- LcdWrReg(lcdc_dev, DSP_VTOTAL_VS_END, v_VSYNC(screen->vsync_len) |
- v_VERPRD(screen->vsync_len + screen->upper_margin + y_res + lower_margin));
- LcdWrReg(lcdc_dev, DSP_VACT_ST_END, v_VAEP(screen->vsync_len + screen->upper_margin+y_res)|
- v_VASP(screen->vsync_len + screen->upper_margin));
- // let above to take effect
- LCDC_REG_CFG_DONE();
- }
- spin_unlock(&lcdc_dev->reg_lock);
-
- ret = clk_set_rate(lcdc_dev->dclk, screen->pixclock);
- if(ret)
- {
- printk(KERN_ERR ">>>>>> set lcdc%d dclk failed\n",lcdc_dev->id);
- }
- lcdc_dev->driver.pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
- clk_enable(lcdc_dev->dclk);
-
- ft = (u64)(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
- (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)*
- (dev_drv->pixclock); // one frame time ,(pico seconds)
- fps = div64_u64(1000000000000llu,ft);
- screen->ft = 1000/fps;
- printk("%s: dclk:%lu>>fps:%d ",lcdc_dev->driver.name,clk_get_rate(lcdc_dev->dclk),fps);
-
- if(screen->init)
- {
- screen->init();
- }
-
- printk("%s for lcdc%d ok!\n",__func__,lcdc_dev->id);
- return 0;
-}
-
-static int mcu_refresh(struct rk30_lcdc_device *lcdc_dev)
-{
-
- return 0;
-}
-
-
-
-//enable layer,open:1,enable;0 disable
-static int win0_open(struct rk30_lcdc_device *lcdc_dev,bool open)
-{
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- if(open)
- {
- if(!lcdc_dev->atv_layer_cnt)
- {
- LcdMskReg(lcdc_dev, SYS_CTRL0,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
- }
- lcdc_dev->atv_layer_cnt++;
- }
- else
- {
- lcdc_dev->atv_layer_cnt--;
- }
- lcdc_dev->driver.layer_par[0]->state = open;
-
- LcdMskReg(lcdc_dev, SYS_CTRL1, m_W0_EN, v_W0_EN(open));
- if(!lcdc_dev->atv_layer_cnt) //if no layer used,disable lcdc
- {
- LcdMskReg(lcdc_dev, SYS_CTRL0,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
- }
- LCDC_REG_CFG_DONE();
- }
- spin_unlock(&lcdc_dev->reg_lock);
- printk(KERN_INFO "lcdc%d win0 %s\n",lcdc_dev->id,open?"open":"closed");
- return 0;
-}
-static int win1_open(struct rk30_lcdc_device *lcdc_dev,bool open)
-{
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- if(open)
- {
- if(!lcdc_dev->atv_layer_cnt)
- {
- printk("lcdc%d wakeup from stanby\n",lcdc_dev->id);
- LcdMskReg(lcdc_dev, SYS_CTRL0,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
- }
- lcdc_dev->atv_layer_cnt++;
- }
- else
- {
- lcdc_dev->atv_layer_cnt--;
- }
- lcdc_dev->driver.layer_par[1]->state = open;
-
- LcdMskReg(lcdc_dev, SYS_CTRL1, m_W1_EN, v_W1_EN(open));
- if(!lcdc_dev->atv_layer_cnt) //if no layer used,disable lcdc
- {
- printk(KERN_INFO "no layer of lcdc%d is used,go to standby!",lcdc_dev->id);
- LcdMskReg(lcdc_dev, SYS_CTRL0,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
- }
- LCDC_REG_CFG_DONE();
- }
- spin_unlock(&lcdc_dev->reg_lock);
- printk(KERN_INFO "lcdc%d win1 %s\n",lcdc_dev->id,open?"open":"closed");
- return 0;
-}
-
-static int win2_open(struct rk30_lcdc_device *lcdc_dev,bool open)
-{
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- LcdMskReg(lcdc_dev, SYS_CTRL1, m_W2_EN, v_W2_EN(open));
- LcdWrReg(lcdc_dev, REG_CFG_DONE, 0x01);
- lcdc_dev->driver.layer_par[1]->state = open;
- }
- spin_unlock(&lcdc_dev->reg_lock);
- printk(KERN_INFO "lcdc%d win2 %s\n",lcdc_dev->id,open?"open":"closed");
- return 0;
-}
-
-static int rk30_lcdc_blank(struct rk_lcdc_device_driver*lcdc_drv,int layer_id,int blank_mode)
-{
- struct rk30_lcdc_device * lcdc_dev = container_of(lcdc_drv,struct rk30_lcdc_device ,driver);
-
- printk(KERN_INFO "%s>>>>>%d\n",__func__, blank_mode);
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- switch(blank_mode)
- {
- case FB_BLANK_UNBLANK:
- LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(0));
- break;
- case FB_BLANK_NORMAL:
- LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(1));
- break;
- default:
- LcdMskReg(lcdc_dev,DSP_CTRL1,m_BLANK_MODE ,v_BLANK_MODE(1));
- break;
- }
- LCDC_REG_CFG_DONE();
- }
- spin_unlock(&lcdc_dev->reg_lock);
-
- return 0;
-}
-
-static int win0_display(struct rk30_lcdc_device *lcdc_dev,struct layer_par *par )
-{
- u32 y_addr;
- u32 uv_addr;
- y_addr = par->smem_start + par->y_offset;
- uv_addr = par->cbr_start + par->c_offset;
- DBG(2,KERN_INFO "lcdc%d>>%s:y_addr:0x%x>>uv_addr:0x%x\n",lcdc_dev->id,__func__,y_addr,uv_addr);
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- LcdWrReg(lcdc_dev, WIN0_YRGB_MST0, y_addr);
- LcdWrReg(lcdc_dev, WIN0_CBR_MST0, uv_addr);
- LCDC_REG_CFG_DONE();
- }
- spin_unlock(&lcdc_dev->reg_lock);
-
- return 0;
-
-}
-
-static int win1_display(struct rk30_lcdc_device *lcdc_dev,struct layer_par *par )
-{
- u32 y_addr;
- u32 uv_addr;
- y_addr = par->smem_start + par->y_offset;
- uv_addr = par->cbr_start + par->c_offset;
- DBG(2,KERN_INFO "lcdc%d>>%s>>y_addr:0x%x>>uv_addr:0x%x\n",lcdc_dev->id,__func__,y_addr,uv_addr);
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- LcdWrReg(lcdc_dev, WIN1_YRGB_MST, y_addr);
- LcdWrReg(lcdc_dev, WIN1_CBR_MST, uv_addr);
- LCDC_REG_CFG_DONE();
- }
- spin_unlock(&lcdc_dev->reg_lock);
-
- return 0;
-}
-
-static int win2_display(struct rk30_lcdc_device *lcdc_dev,struct layer_par *par )
-{
- u32 y_addr;
- u32 uv_addr;
- y_addr = par->smem_start + par->y_offset;
- uv_addr = par->cbr_start + par->c_offset;
- DBG(2,KERN_INFO "lcdc%d>>%s>>y_addr:0x%x>>uv_addr:0x%x\n",lcdc_dev->id,__func__,y_addr,uv_addr);
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- LcdWrReg(lcdc_dev, WIN2_MST, y_addr);
- LcdWrReg(lcdc_dev, REG_CFG_DONE, 0x01);
- }
- spin_unlock(&lcdc_dev->reg_lock);
-
- return 0;
-}
-
-static int win0_set_par(struct rk30_lcdc_device *lcdc_dev,rk_screen *screen,
- struct layer_par *par )
-{
- u32 xact, yact, xvir, yvir, xpos, ypos;
- u32 ScaleYrgbX = 0x1000;
- u32 ScaleYrgbY = 0x1000;
- u32 ScaleCbrX = 0x1000;
- u32 ScaleCbrY = 0x1000;
-
- xact = par->xact; //active (origin) picture window width/height
- yact = par->yact;
- xvir = par->xvir; // virtual resolution
- yvir = par->yvir;
- xpos = par->xpos+screen->left_margin + screen->hsync_len;
- ypos = par->ypos+screen->upper_margin + screen->vsync_len;
-
-
- ScaleYrgbX = CalScale(xact, par->xsize); //both RGB and yuv need this two factor
- ScaleYrgbY = CalScale(yact, par->ysize);
- switch (par->format)
- {
- case YUV422:// yuv422
- ScaleCbrX = CalScale((xact/2), par->xsize);
- ScaleCbrY = CalScale(yact, par->ysize);
- break;
- case YUV420: // yuv420
- ScaleCbrX = CalScale(xact/2, par->xsize);
- ScaleCbrY = CalScale(yact/2, par->ysize);
- break;
- case YUV444:// yuv444
- ScaleCbrX = CalScale(xact, par->xsize);
- ScaleCbrY = CalScale(yact, par->ysize);
- break;
- default:
- break;
- }
-
- DBG(1,"%s for lcdc%d>>format:%d>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
- __func__,lcdc_dev->id,par->format,xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- LcdWrReg(lcdc_dev, WIN0_SCL_FACTOR_YRGB, v_X_SCL_FACTOR(ScaleYrgbX) | v_Y_SCL_FACTOR(ScaleYrgbY));
- LcdWrReg(lcdc_dev, WIN0_SCL_FACTOR_CBR,v_X_SCL_FACTOR(ScaleCbrX)| v_Y_SCL_FACTOR(ScaleCbrY));
- LcdMskReg(lcdc_dev, SYS_CTRL1, m_W0_FORMAT, v_W0_FORMAT(par->format)); //(inf->video_mode==0)
- LcdWrReg(lcdc_dev, WIN0_ACT_INFO,v_ACT_WIDTH(xact) | v_ACT_HEIGHT(yact));
- LcdWrReg(lcdc_dev, WIN0_DSP_ST, v_DSP_STX(xpos) | v_DSP_STY(ypos));
- LcdWrReg(lcdc_dev, WIN0_DSP_INFO, v_DSP_WIDTH(par->xsize)| v_DSP_HEIGHT(par->ysize));
- LcdMskReg(lcdc_dev, WIN0_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,
- v_COLORKEY_EN(1) | v_KEYCOLOR(0));
- switch(par->format)
- {
- case ARGB888:
- LcdWrReg(lcdc_dev, WIN0_VIR,v_ARGB888_VIRWIDTH(xvir));
- //LcdMskReg(lcdc_dev,SYS_CTRL1,m_W0_RGB_RB_SWAP,v_W1_RGB_RB_SWAP(1));
- break;
- case RGB888: //rgb888
- LcdWrReg(lcdc_dev, WIN0_VIR,v_RGB888_VIRWIDTH(xvir));
- //LcdMskReg(lcdc_dev,SYS_CTRL1,m_W0_RGB_RB_SWAP,v_W0_RGB_RB_SWAP(1));
- break;
- case RGB565: //rgb565
- LcdWrReg(lcdc_dev, WIN0_VIR,v_RGB565_VIRWIDTH(xvir));
- break;
- case YUV422:
- case YUV420:
- LcdWrReg(lcdc_dev, WIN0_VIR,v_YUV_VIRWIDTH(xvir));
- break;
- default:
- LcdWrReg(lcdc_dev, WIN0_VIR,v_RGB888_VIRWIDTH(xvir));
- break;
- }
-
- LCDC_REG_CFG_DONE();
- }
- spin_unlock(&lcdc_dev->reg_lock);
-
- return 0;
-
-}
-
-static int win1_set_par(struct rk30_lcdc_device *lcdc_dev,rk_screen *screen,
- struct layer_par *par )
-{
- u32 xact, yact, xvir, yvir, xpos, ypos;
- u32 ScaleYrgbX = 0x1000;
- u32 ScaleYrgbY = 0x1000;
- u32 ScaleCbrX = 0x1000;
- u32 ScaleCbrY = 0x1000;
-
- xact = par->xact;
- yact = par->yact;
- xvir = par->xvir;
- yvir = par->yvir;
- xpos = par->xpos+screen->left_margin + screen->hsync_len;
- ypos = par->ypos+screen->upper_margin + screen->vsync_len;
-
- ScaleYrgbX = CalScale(xact, par->xsize);
- ScaleYrgbY = CalScale(yact, par->ysize);
- DBG(1,"%s for lcdc%d>>format:%d>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
- __func__,lcdc_dev->id,par->format,xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);
-
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- switch (par->format)
- {
- case YUV422:// yuv422
- ScaleCbrX = CalScale((xact/2), par->xsize);
- ScaleCbrY = CalScale(yact, par->ysize);
- break;
- case YUV420: // yuv420
- ScaleCbrX = CalScale(xact/2, par->xsize);
- ScaleCbrY = CalScale(yact/2, par->ysize);
- break;
- case YUV444:// yuv444
- ScaleCbrX = CalScale(xact, par->xsize);
- ScaleCbrY = CalScale(yact, par->ysize);
- break;
- default:
- break;
- }
-
- LcdWrReg(lcdc_dev, WIN1_SCL_FACTOR_YRGB, v_X_SCL_FACTOR(ScaleYrgbX) | v_Y_SCL_FACTOR(ScaleYrgbY));
- LcdWrReg(lcdc_dev, WIN1_SCL_FACTOR_CBR, v_X_SCL_FACTOR(ScaleCbrX) | v_Y_SCL_FACTOR(ScaleCbrY));
- LcdMskReg(lcdc_dev,SYS_CTRL1, m_W1_FORMAT, v_W1_FORMAT(par->format));
- LcdWrReg(lcdc_dev, WIN1_ACT_INFO,v_ACT_WIDTH(xact) | v_ACT_HEIGHT(yact));
- LcdWrReg(lcdc_dev, WIN1_DSP_ST,v_DSP_STX(xpos) | v_DSP_STY(ypos));
- LcdWrReg(lcdc_dev, WIN1_DSP_INFO,v_DSP_WIDTH(par->xsize) | v_DSP_HEIGHT(par->ysize));
- // enable win1 color key and set the color to black(rgb=0)
- LcdMskReg(lcdc_dev, WIN1_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,v_COLORKEY_EN(1) | v_KEYCOLOR(0));
- switch(par->format)
- {
- case ARGB888:
- LcdWrReg(lcdc_dev, WIN1_VIR,v_ARGB888_VIRWIDTH(xvir));
- //LcdMskReg(lcdc_dev,SYS_CTRL1,m_W1_RGB_RB_SWAP,v_W1_RGB_RB_SWAP(1));
- break;
- case RGB888: //rgb888
- LcdWrReg(lcdc_dev, WIN1_VIR,v_RGB888_VIRWIDTH(xvir));
- // LcdMskReg(lcdc_dev,SYS_CTRL1,m_W1_RGB_RB_SWAP,v_W1_RGB_RB_SWAP(1));
- break;
- case RGB565: //rgb565
- LcdWrReg(lcdc_dev, WIN1_VIR,v_RGB565_VIRWIDTH(xvir));
- break;
- case YUV422:
- case YUV420:
- LcdWrReg(lcdc_dev, WIN1_VIR,v_YUV_VIRWIDTH(xvir));
- break;
- default:
- LcdWrReg(lcdc_dev, WIN1_VIR,v_RGB888_VIRWIDTH(xvir));
- break;
- }
-
- LCDC_REG_CFG_DONE();
- }
- spin_unlock(&lcdc_dev->reg_lock);
- return 0;
-}
-
-static int win2_set_par(struct rk30_lcdc_device *lcdc_dev,rk_screen *screen,
- struct layer_par *par )
-{
- u32 xact, yact, xvir, yvir, xpos, ypos;
- u32 ScaleYrgbX = 0x1000;
- u32 ScaleYrgbY = 0x1000;
- u32 ScaleCbrX = 0x1000;
- u32 ScaleCbrY = 0x1000;
-
- xact = par->xact;
- yact = par->yact;
- xvir = par->xvir;
- yvir = par->yvir;
- xpos = par->xpos+screen->left_margin + screen->hsync_len;
- ypos = par->ypos+screen->upper_margin + screen->vsync_len;
-
- ScaleYrgbX = CalScale(xact, par->xsize);
- ScaleYrgbY = CalScale(yact, par->ysize);
- DBG(1,"%s for lcdc%d>>format:%d>>>xact:%d>>yact:%d>>xsize:%d>>ysize:%d>>xvir:%d>>yvir:%d>>xpos:%d>>ypos:%d>>\n",
- __func__,lcdc_dev->id,par->format,xact,yact,par->xsize,par->ysize,xvir,yvir,xpos,ypos);
-
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
-
- LcdMskReg(lcdc_dev,SYS_CTRL1, m_W2_FORMAT, v_W2_FORMAT(par->format));
- LcdWrReg(lcdc_dev, WIN2_DSP_ST,v_DSP_STX(xpos) | v_DSP_STY(ypos));
- LcdWrReg(lcdc_dev, WIN2_DSP_INFO,v_DSP_WIDTH(par->xsize) | v_DSP_HEIGHT(par->ysize));
- // enable win1 color key and set the color to black(rgb=0)
- LcdMskReg(lcdc_dev, WIN2_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR,v_COLORKEY_EN(1) | v_KEYCOLOR(0));
- switch(par->format)
- {
- case ARGB888:
- LcdWrReg(lcdc_dev, WIN2_VIR,v_ARGB888_VIRWIDTH(xvir));
- //LcdMskReg(lcdc_dev,SYS_CTRL1,m_W1_RGB_RB_SWAP,v_W1_RGB_RB_SWAP(1));
- break;
- case RGB888: //rgb888
- LcdWrReg(lcdc_dev, WIN2_VIR,v_RGB888_VIRWIDTH(xvir));
- // LcdMskReg(lcdc_dev,SYS_CTRL1,m_W1_RGB_RB_SWAP,v_W1_RGB_RB_SWAP(1));
- break;
- case RGB565: //rgb565
- LcdWrReg(lcdc_dev, WIN2_VIR,v_RGB565_VIRWIDTH(xvir));
- break;
- case YUV422:
- case YUV420:
- LcdWrReg(lcdc_dev, WIN2_VIR,v_YUV_VIRWIDTH(xvir));
- break;
- default:
- LcdWrReg(lcdc_dev, WIN2_VIR,v_RGB888_VIRWIDTH(xvir));
- break;
- }
-
- LcdWrReg(lcdc_dev, REG_CFG_DONE, 0x01);
- }
- spin_unlock(&lcdc_dev->reg_lock);
- return 0;
-}
-
-static int rk30_lcdc_open(struct rk_lcdc_device_driver *dev_drv,int layer_id,bool open)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- if(layer_id == 0)
- {
- win0_open(lcdc_dev,open);
- }
- else if(layer_id == 1)
- {
- win1_open(lcdc_dev,open);
- }
- else if(layer_id == 2)
- {
- win2_open(lcdc_dev,open);
- }
-
- return 0;
-}
-
-static int rk30_lcdc_set_par(struct rk_lcdc_device_driver *dev_drv,int layer_id)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- struct layer_par *par = NULL;
- rk_screen *screen = dev_drv->cur_screen;
- if(!screen)
- {
- printk(KERN_ERR "screen is null!\n");
- return -ENOENT;
- }
- if(layer_id==0)
- {
- par = dev_drv->layer_par[0];
- win0_set_par(lcdc_dev,screen,par);
- }
- else if(layer_id==1)
- {
- par = dev_drv->layer_par[1];
- win1_set_par(lcdc_dev,screen,par);
- }
- else if(layer_id == 2)
- {
- par = dev_drv->layer_par[2];
- win2_set_par(lcdc_dev,screen,par);
- }
-
- return 0;
-}
-
-int rk30_lcdc_pan_display(struct rk_lcdc_device_driver * dev_drv,int layer_id)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- struct layer_par *par = NULL;
- rk_screen *screen = dev_drv->cur_screen;
- unsigned long flags;
- int timeout;
- if(!screen)
- {
- printk(KERN_ERR "screen is null!\n");
- return -ENOENT;
- }
- if(layer_id==0)
- {
- par = dev_drv->layer_par[0];
- win0_display(lcdc_dev,par);
- }
- else if(layer_id==1)
- {
- par = dev_drv->layer_par[1];
- win1_display(lcdc_dev,par);
- }
- else if(layer_id == 2)
- {
- par = dev_drv->layer_par[2];
- win2_display(lcdc_dev,par);
- }
- if((dev_drv->first_frame)) //this is the first frame of the system ,enable frame start interrupt
- {
- dev_drv->first_frame = 0;
- LcdMskReg(lcdc_dev,INT_STATUS,m_FRM_START_INT_CLEAR |m_FRM_START_INT_EN ,
- v_FRM_START_INT_CLEAR(1) | v_FRM_START_INT_EN(1));
- LCDC_REG_CFG_DONE(); // write any value to REG_CFG_DONE let config become effective
-
- }
-
- if(dev_drv->num_buf < 3) //3buffer ,no need to wait for sysn
- {
- spin_lock_irqsave(&dev_drv->cpl_lock,flags);
- init_completion(&dev_drv->frame_done);
- spin_unlock_irqrestore(&dev_drv->cpl_lock,flags);
- timeout = wait_for_completion_timeout(&dev_drv->frame_done,msecs_to_jiffies(dev_drv->cur_screen->ft+5));
- if(!timeout&&(!dev_drv->frame_done.done))
- {
- printk(KERN_ERR "wait for new frame start time out!\n");
- return -ETIMEDOUT;
- }
- }
-
- return 0;
-}
-
-int rk30_lcdc_ioctl(struct rk_lcdc_device_driver * dev_drv,unsigned int cmd, unsigned long arg,int layer_id)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- u32 panel_size[2];
- void __user *argp = (void __user *)arg;
- int ret = 0;
- switch(cmd)
- {
- case FBIOGET_PANEL_SIZE: //get panel size
- panel_size[0] = dev_drv->screen0->x_res;
- panel_size[1] = dev_drv->screen0->y_res;
- if(copy_to_user(argp, panel_size, 8))
- return -EFAULT;
- break;
- default:
- break;
- }
-
- return ret;
-}
-static int rk30_lcdc_get_layer_state(struct rk_lcdc_device_driver *dev_drv,int layer_id)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- struct layer_par *par = dev_drv->layer_par[layer_id];
-
- spin_lock(&lcdc_dev->reg_lock);
- if(lcdc_dev->clk_on)
- {
- if(layer_id == 0)
- {
- par->state = LcdReadBit(lcdc_dev,SYS_CTRL1,m_W0_EN);
- }
- else if( layer_id == 1)
- {
- par->state = LcdReadBit(lcdc_dev,SYS_CTRL1,m_W1_EN);
- }
- }
- spin_unlock(&lcdc_dev->reg_lock);
-
- return par->state;
-
-}
-
-/***********************************
-overlay manager
-swap:1 win0 on the top of win1
- 0 win1 on the top of win0
-set : 1 set overlay
- 0 get overlay state
-************************************/
-static int rk30_lcdc_ovl_mgr(struct rk_lcdc_device_driver *dev_drv,int swap,bool set)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- int ovl;
- spin_lock(&lcdc_dev->reg_lock);
- if(lcdc_dev->clk_on)
- {
- if(set) //set overlay
- {
- LcdMskReg(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP,v_W0W1_POSITION_SWAP(swap));
- LcdWrReg(lcdc_dev, REG_CFG_DONE, 0x01);
- LCDC_REG_CFG_DONE();
- ovl = swap;
- }
- else //get overlay
- {
- ovl = LcdReadBit(lcdc_dev,DSP_CTRL0,m_W0W1_POSITION_SWAP);
- }
- }
- else
- {
- ovl = -EPERM;
- }
- spin_unlock(&lcdc_dev->reg_lock);
-
- return ovl;
-}
-static int rk30_lcdc_get_disp_info(struct rk_lcdc_device_driver *dev_drv,int layer_id)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- return 0;
-}
-
-
-/*******************************************
-lcdc fps manager,set or get lcdc fps
-set:0 get
- 1 set
-********************************************/
-static int rk30_lcdc_fps_mgr(struct rk_lcdc_device_driver *dev_drv,int fps,bool set)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- rk_screen * screen = dev_drv->cur_screen;
- u64 ft = 0;
- u32 dotclk;
- int ret;
-
- if(set)
- {
- ft = div_u64(1000000000000llu,fps);
- dev_drv->pixclock = div_u64(ft,(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
- (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len));
- dotclk = div_u64(1000000000000llu,dev_drv->pixclock);
- ret = clk_set_rate(lcdc_dev->dclk, dotclk);
- if(ret)
- {
- printk(KERN_ERR ">>>>>> set lcdc%d dclk failed\n",lcdc_dev->id);
- }
- dev_drv->pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
-
- }
-
- ft = (u64)(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
- (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)*
- (dev_drv->pixclock); // one frame time ,(pico seconds)
- fps = div64_u64(1000000000000llu,ft);
- screen->ft = 1000/fps ; //one frame time in ms
- return fps;
-}
-
-static int rk30_fb_layer_remap(struct rk_lcdc_device_driver *dev_drv,
- enum fb_win_map_order order)
-{
- mutex_lock(&dev_drv->fb_win_id_mutex);
- if(order == FB_DEFAULT_ORDER )
- {
- order = FB0_WIN1_FB1_WIN0_FB2_WIN2;
- }
- dev_drv->fb2_win_id = order/100;
- dev_drv->fb1_win_id = (order/10)%10;
- dev_drv->fb0_win_id = order%10;
- mutex_unlock(&dev_drv->fb_win_id_mutex);
-
- printk("fb0:win%d\nfb1:win%d\nfb2:win%d\n",dev_drv->fb0_win_id,dev_drv->fb1_win_id,
- dev_drv->fb2_win_id);
-
- return 0;
-}
-
-static int rk30_fb_get_layer(struct rk_lcdc_device_driver *dev_drv,const char *id)
-{
- int layer_id = 0;
- mutex_lock(&dev_drv->fb_win_id_mutex);
- if(!strcmp(id,"fb0")||!strcmp(id,"fb3"))
- {
- layer_id = dev_drv->fb0_win_id;
- }
- else if(!strcmp(id,"fb1")||!strcmp(id,"fb4"))
- {
- layer_id = dev_drv->fb1_win_id;
- }
- else if(!strcmp(id,"fb2")||!strcmp(id,"fb5"))
- {
- layer_id = dev_drv->fb2_win_id;
- }
- mutex_unlock(&dev_drv->fb_win_id_mutex);
-
- return layer_id;
-}
-
-static int rk30_read_dsp_lut(struct rk_lcdc_device_driver *dev_drv,int *lut)
-{
-
- return 0;
-}
-
-static int rk30_set_dsp_lut(struct rk_lcdc_device_driver *dev_drv,int *lut)
-{
- int i=0;
- int __iomem *c;
- int v;
- int ret = 0;
-
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- LcdMskReg(lcdc_dev,SYS_CTRL1,m_DSP_LUT_RAM_EN,v_DSP_LUT_RAM_EN(0));
- LCDC_REG_CFG_DONE();
- msleep(25);
- if(dev_drv->cur_screen->dsp_lut)
- {
- for(i=0;i<256;i++)
- {
- v = dev_drv->cur_screen->dsp_lut[i] = lut[i];
- c = lcdc_dev->dsp_lut_addr_base+i;
- writel_relaxed(v,c);
-
- }
- }
- else
- {
- printk(KERN_WARNING "no buffer to backup lut data!\n");
- ret = -1;
- }
- LcdMskReg(lcdc_dev,SYS_CTRL1,m_DSP_LUT_RAM_EN,v_DSP_LUT_RAM_EN(1));
- LCDC_REG_CFG_DONE();
-
- return ret;
-}
-int rk30_lcdc_early_suspend(struct rk_lcdc_device_driver *dev_drv)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
-
- spin_lock(&lcdc_dev->reg_lock);
- if(likely(lcdc_dev->clk_on))
- {
- lcdc_dev->clk_on = 0;
- LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_START_INT_CLEAR, v_FRM_START_INT_CLEAR(1));
- LcdMskReg(lcdc_dev, SYS_CTRL0,m_LCDC_STANDBY,v_LCDC_STANDBY(1));
- LCDC_REG_CFG_DONE();
- spin_unlock(&lcdc_dev->reg_lock);
- }
- else //clk already disabled
- {
- spin_unlock(&lcdc_dev->reg_lock);
- return 0;
- }
-
-
- mdelay(1);
- clk_disable(lcdc_dev->dclk);
- clk_disable(lcdc_dev->hclk);
- clk_disable(lcdc_dev->aclk);
- clk_disable(lcdc_dev->pd);
-
- return 0;
-}
-
-
-int rk30_lcdc_early_resume(struct rk_lcdc_device_driver *dev_drv)
-{
- struct rk30_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk30_lcdc_device,driver);
- int i=0;
- int __iomem *c;
- int v;
- if(!lcdc_dev->clk_on)
- {
- clk_enable(lcdc_dev->pd);
- clk_enable(lcdc_dev->hclk);
- clk_enable(lcdc_dev->dclk);
- clk_enable(lcdc_dev->aclk);
- }
- memcpy((u8*)lcdc_dev->preg, (u8*)&lcdc_dev->regbak, 0xc4); //resume reg
-
- spin_lock(&lcdc_dev->reg_lock);
- if(dev_drv->cur_screen->dsp_lut) //resume dsp lut
- {
- LcdMskReg(lcdc_dev,SYS_CTRL1,m_DSP_LUT_RAM_EN,v_DSP_LUT_RAM_EN(0));
- LCDC_REG_CFG_DONE();
- mdelay(25);
- for(i=0;i<256;i++)
- {
- v = dev_drv->cur_screen->dsp_lut[i];
- c = lcdc_dev->dsp_lut_addr_base+i;
- writel_relaxed(v,c);
-
- }
- LcdMskReg(lcdc_dev,SYS_CTRL1,m_DSP_LUT_RAM_EN,v_DSP_LUT_RAM_EN(1));
- }
- if(lcdc_dev->atv_layer_cnt)
- {
- LcdMskReg(lcdc_dev, SYS_CTRL0,m_LCDC_STANDBY,v_LCDC_STANDBY(0));
- LCDC_REG_CFG_DONE();
- }
- lcdc_dev->clk_on = 1;
- spin_unlock(&lcdc_dev->reg_lock);
-
- return 0;
-}
-static irqreturn_t rk30_lcdc_isr(int irq, void *dev_id)
-{
- struct rk30_lcdc_device *lcdc_dev = (struct rk30_lcdc_device *)dev_id;
-
- LcdMskReg(lcdc_dev, INT_STATUS, m_FRM_START_INT_CLEAR, v_FRM_START_INT_CLEAR(1));
- LCDC_REG_CFG_DONE();
- //LcdMskReg(lcdc_dev, INT_STATUS, m_LINE_FLAG_INT_CLEAR, v_LINE_FLAG_INT_CLEAR(1));
-
- if(lcdc_dev->driver.num_buf < 3) //three buffer ,no need to wait for sync
- {
- spin_lock(&(lcdc_dev->driver.cpl_lock));
- complete(&(lcdc_dev->driver.frame_done));
- spin_unlock(&(lcdc_dev->driver.cpl_lock));
- }
- return IRQ_HANDLED;
-}
-
-static struct layer_par lcdc_layer[] = {
- [0] = {
- .name = "win0",
- .id = 0,
- .support_3d = true,
- },
- [1] = {
- .name = "win1",
- .id = 1,
- .support_3d = false,
- },
- [2] = {
- .name = "win2",
- .id = 2,
- .support_3d = false,
- },
-};
-
-static struct rk_lcdc_device_driver lcdc_driver = {
- .name = "lcdc",
- .def_layer_par = lcdc_layer,
- .num_layer = ARRAY_SIZE(lcdc_layer),
- .open = rk30_lcdc_open,
- .init_lcdc = rk30_lcdc_init,
- .ioctl = rk30_lcdc_ioctl,
- .suspend = rk30_lcdc_early_suspend,
- .resume = rk30_lcdc_early_resume,
- .set_par = rk30_lcdc_set_par,
- .blank = rk30_lcdc_blank,
- .pan_display = rk30_lcdc_pan_display,
- .load_screen = rk30_load_screen,
- .get_layer_state = rk30_lcdc_get_layer_state,
- .ovl_mgr = rk30_lcdc_ovl_mgr,
- .get_disp_info = rk30_lcdc_get_disp_info,
- .fps_mgr = rk30_lcdc_fps_mgr,
- .fb_get_layer = rk30_fb_get_layer,
- .fb_layer_remap = rk30_fb_layer_remap,
- .set_dsp_lut = rk30_set_dsp_lut,
- .read_dsp_lut = rk30_read_dsp_lut,
-};
-#ifdef CONFIG_PM
-static int rk30_lcdc_suspend(struct platform_device *pdev, pm_message_t state)
-{
- return 0;
-}
-
-static int rk30_lcdc_resume(struct platform_device *pdev)
-{
- return 0;
-}
-
-#else
-#define rk30_lcdc_suspend NULL
-#define rk30_lcdc_resume NULL
-#endif
-
-static int __devinit rk30_lcdc_probe (struct platform_device *pdev)
-{
- struct rk30_lcdc_device *lcdc_dev=NULL;
- rk_screen *screen;
- struct rk29fb_info *screen_ctr_info;
- struct resource *res = NULL;
- struct resource *mem;
- int ret = 0;
-
- /*************Malloc rk30lcdc_inf and set it to pdev for drvdata**********/
- lcdc_dev = kzalloc(sizeof(struct rk30_lcdc_device), GFP_KERNEL);
- if(!lcdc_dev)
- {
- dev_err(&pdev->dev, ">>rk30 lcdc device kmalloc fail!");
- return -ENOMEM;
- }
- platform_set_drvdata(pdev, lcdc_dev);
- lcdc_dev->id = pdev->id;
- screen_ctr_info = (struct rk29fb_info * )pdev->dev.platform_data;
- screen = kzalloc(sizeof(rk_screen), GFP_KERNEL);
- if(!screen)
- {
- dev_err(&pdev->dev, ">>rk30 lcdc screen kmalloc fail!");
- ret = -ENOMEM;
- goto err0;
- }
- /****************get lcdc0 reg *************************/
- res = platform_get_resource(pdev, IORESOURCE_MEM,0);
- if (res == NULL)
- {
- dev_err(&pdev->dev, "failed to get io resource for lcdc%d \n",lcdc_dev->id);
- ret = -ENOENT;
- goto err1;
- }
- lcdc_dev->reg_phy_base = res->start;
- lcdc_dev->len = resource_size(res);
- mem = request_mem_region(lcdc_dev->reg_phy_base, resource_size(res), pdev->name);
- if (mem == NULL)
- {
- dev_err(&pdev->dev, "failed to request mem region for lcdc%d\n",lcdc_dev->id);
- ret = -ENOENT;
- goto err1;
- }
- lcdc_dev->reg_vir_base = ioremap(lcdc_dev->reg_phy_base, resource_size(res));
- if (lcdc_dev->reg_vir_base == NULL)
- {
- dev_err(&pdev->dev, "cannot map IO\n");
- ret = -ENXIO;
- goto err2;
- }
-
- lcdc_dev->preg = (LCDC_REG*)lcdc_dev->reg_vir_base;
- lcdc_dev->dsp_lut_addr_base = &lcdc_dev->preg->DSP_LUT_ADDR;
- printk("lcdc%d:reg_phy_base = 0x%08x,reg_vir_base:0x%p\n",pdev->id,lcdc_dev->reg_phy_base, lcdc_dev->preg);
- lcdc_dev->driver.dev=&pdev->dev;
- lcdc_dev->driver.screen0 = screen;
- lcdc_dev->driver.cur_screen = screen;
- lcdc_dev->driver.screen_ctr_info = screen_ctr_info;
- spin_lock_init(&lcdc_dev->reg_lock);
- lcdc_dev->irq = platform_get_irq(pdev, 0);
- if(lcdc_dev->irq < 0)
- {
- dev_err(&pdev->dev, "cannot find IRQ\n");
- goto err3;
- }
- ret = request_irq(lcdc_dev->irq, rk30_lcdc_isr, IRQF_DISABLED,dev_name(&pdev->dev),lcdc_dev);
- if (ret)
- {
- dev_err(&pdev->dev, "cannot requeset irq %d - err %d\n", lcdc_dev->irq, ret);
- ret = -EBUSY;
- goto err3;
- }
- ret = rk_fb_register(&(lcdc_dev->driver),&lcdc_driver,lcdc_dev->id);
- if(ret < 0)
- {
- printk(KERN_ERR "register fb for lcdc%d failed!\n",lcdc_dev->id);
- goto err4;
- }
- printk("rk30 lcdc%d probe ok!\n",lcdc_dev->id);
-
- return 0;
-
-err4:
- free_irq(lcdc_dev->irq,lcdc_dev);
-err3:
- iounmap(lcdc_dev->reg_vir_base);
-err2:
- release_mem_region(lcdc_dev->reg_phy_base,resource_size(res));
-err1:
- kfree(screen);
-err0:
- platform_set_drvdata(pdev, NULL);
- kfree(lcdc_dev);
- return ret;
-
-}
-static int __devexit rk30_lcdc_remove(struct platform_device *pdev)
-{
- struct rk30_lcdc_device *lcdc_dev = platform_get_drvdata(pdev);
- rk_fb_unregister(&(lcdc_dev->driver));
- rk30_lcdc_deinit(lcdc_dev);
- iounmap(lcdc_dev->reg_vir_base);
- release_mem_region(lcdc_dev->reg_phy_base,lcdc_dev->len);
- kfree(lcdc_dev->screen);
- kfree(lcdc_dev);
- return 0;
-}
-
-static void rk30_lcdc_shutdown(struct platform_device *pdev)
-{
- struct rk30_lcdc_device *lcdc_dev = platform_get_drvdata(pdev);
- if(lcdc_dev->driver.cur_screen->standby) //standby the screen if necessary
- lcdc_dev->driver.cur_screen->standby(1);
- if(lcdc_dev->driver.screen_ctr_info->io_disable) //power off the screen if necessary
- lcdc_dev->driver.screen_ctr_info->io_disable();
- if(lcdc_dev->driver.cur_screen->sscreen_set) //turn off lvds if necessary
- lcdc_dev->driver.cur_screen->sscreen_set(lcdc_dev->driver.cur_screen , 0);
- rk_fb_unregister(&(lcdc_dev->driver));
- rk30_lcdc_deinit(lcdc_dev);
- /*iounmap(lcdc_dev->reg_vir_base);
- release_mem_region(lcdc_dev->reg_phy_base,lcdc_dev->len);
- kfree(lcdc_dev->screen);
- kfree(lcdc_dev);*/
-}
-
-
-static struct platform_driver rk30lcdc_driver = {
- .probe = rk30_lcdc_probe,
- .remove = __devexit_p(rk30_lcdc_remove),
- .driver = {
- .name = "rk30-lcdc",
- .owner = THIS_MODULE,
- },
- .suspend = rk30_lcdc_suspend,
- .resume = rk30_lcdc_resume,
- .shutdown = rk30_lcdc_shutdown,
-};
-
-static int __init rk30_lcdc_module_init(void)
-{
- return platform_driver_register(&rk30lcdc_driver);
-}
-
-static void __exit rk30_lcdc_module_exit(void)
-{
- platform_driver_unregister(&rk30lcdc_driver);
-}
-
-
-
-fs_initcall(rk30_lcdc_module_init);
-module_exit(rk30_lcdc_module_exit);
-
-
-