2 * drivers/video/rk29_fb.c
4 * Copyright (C) 2010 ROCKCHIP, Inc.
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.
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.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
25 #include <linux/init.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/interrupt.h>
28 #include <linux/platform_device.h>
29 #include <linux/clk.h>
30 #include <linux/backlight.h>
31 #include <linux/timer.h>
32 #include <linux/time.h>
33 #include <linux/wait.h>
34 #include <linux/earlysuspend.h>
35 #include <linux/cpufreq.h>
39 #include <asm/div64.h>
40 #include <asm/uaccess.h>
48 #include <mach/iomux.h>
49 #include <mach/gpio.h>
50 #include <mach/board.h>
51 #include <mach/rk29_iomap.h>
52 //#include <asm/uaccess.h>
54 #include "./display/screen/screen.h"
57 #define WIN1_USE_DOUBLE_BUF 0 //win1 use double buf to accelerate display
58 #define CURSOR_BUF_SIZE 256 //rk29 cursor need 256B buf
61 #define fbprintk(msg...) printk(msg);
63 #define fbprintk(msg...)
68 #define fbprintk2(msg...) printk(msg);
70 #define fbprintk2(msg...)
73 #define LcdReadBit(inf, addr, msk) ((inf->regbak.addr=inf->preg->addr)&(msk))
74 #define LcdWrReg(inf, addr, val) inf->preg->addr=inf->regbak.addr=(val)
75 #define LcdRdReg(inf, addr) (inf->preg->addr)
76 #define LcdSetBit(inf, addr, msk) inf->preg->addr=((inf->regbak.addr) |= (msk))
77 #define LcdClrBit(inf, addr, msk) inf->preg->addr=((inf->regbak.addr) &= ~(msk))
78 #define LcdSetRegBit(inf, addr, msk) inf->preg->addr=((inf->preg->addr) |= (msk))
79 #define LcdMskReg(inf, addr, msk, val) (inf->regbak.addr)&=~(msk); inf->preg->addr=(inf->regbak.addr|=(val))
82 #define IsMcuLandscape() ((SCREEN_MCU==inf->cur_screen->type) && (0==inf->mcu_scandir))
83 #define IsMcuUseFmk() ( (2==inf->cur_screen->mcu_usefmk) || (1==inf->cur_screen->mcu_usefmk))
85 #define CalScaleW0(x, y) (((u32)x*0x1000)/y)
88 struct fb_bitfield red;
89 struct fb_bitfield green;
90 struct fb_bitfield blue;
91 struct fb_bitfield transp;
94 static struct rk29fb_rgb def_rgb_16 = {
95 red: { offset: 11, length: 5, },
96 green: { offset: 5, length: 6, },
97 blue: { offset: 0, length: 5, },
98 transp: { offset: 0, length: 0, },
118 struct fb_info *win0fb;
119 struct fb_info *win1fb;
121 void __iomem *reg_vir_base; // virtual basic address of lcdc register
122 u32 reg_phy_base; // physical basic address of lcdc register
123 u32 len; // physical map length of lcdc register
126 struct clk *dclk; //lcdc dclk
127 struct clk *dclk_parent; //lcdc dclk divider frequency source
128 struct clk *dclk_divider; //lcdc demodulator divider frequency
129 struct clk *clk_share_mem; //lcdc share memory frequency
130 unsigned long dclk_rate;
132 /* lcdc reg base address and backup reg */
138 /* variable used in mcu panel */
142 struct timer_list mcutimer;
148 /* external memery */
149 char __iomem *screen_base2;
151 unsigned long smem_start2;
153 char __iomem *cursor_base; /* cursor Virtual address*/
154 __u32 cursor_size; /* Amount of ioremapped VRAM or 0 */
155 unsigned long cursor_start;
157 struct rk29fb_screen lcd_info;
158 struct rk29fb_screen tv_info[5];
159 struct rk29fb_screen hdmi_info[2];
160 struct rk29fb_screen *cur_screen;
161 #ifdef CONFIG_CPU_FREQ
162 struct notifier_block freq_transition;
167 typedef enum _TRSP_MODE
179 struct platform_device *g_pdev = NULL;
180 static int win1fb_set_par(struct fb_info *info);
183 #define CHK_SUSPEND(inf) \
184 if(inf->in_suspend) { \
185 fbprintk(">>>>>> fb is in suspend! return! \n"); \
189 #define CHK_SUSPEND(inf)
192 static DECLARE_WAIT_QUEUE_HEAD(wq);
193 static int wq_condition = 0;
195 void set_lcd_pin(struct platform_device *pdev, int enable)
197 struct rk29fb_info *mach_info = pdev->dev.platform_data;
199 unsigned display_on = mach_info->disp_on_pin;
200 unsigned lcd_standby = mach_info->standby_pin;
202 int display_on_pol = mach_info->disp_on_value;
203 int lcd_standby_pol = mach_info->standby_value;
205 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
206 fbprintk(">>>>>> display_on(%d) = %d \n", display_on, enable ? display_on_pol : !display_on_pol);
207 fbprintk(">>>>>> lcd_standby(%d) = %d \n", lcd_standby, enable ? lcd_standby_pol : !lcd_standby_pol);
211 if(display_on != INVALID_GPIO)
213 gpio_direction_output(display_on, 0);
214 gpio_set_value(display_on, enable ? display_on_pol : !display_on_pol);
216 if(lcd_standby != INVALID_GPIO)
218 gpio_direction_output(lcd_standby, 0);
219 gpio_set_value(lcd_standby, enable ? lcd_standby_pol : !lcd_standby_pol);
223 int mcu_do_refresh(struct rk29fb_inf *inf)
225 if(inf->mcu_stopflush) return 0;
227 if(SCREEN_MCU!=inf->cur_screen->type) return 0;
232 inf->mcu_needflush = 1;
236 // not use frame mark
237 if(LcdReadBit(inf, MCU_TIMING_CTRL, m_MCU_HOLDMODE_SELECT))
239 if(!LcdReadBit(inf, MCU_TIMING_CTRL, m_MCU_HOLD_STATUS))
241 inf->mcu_needflush = 1;
245 if(inf->cur_screen->refresh) inf->cur_screen->refresh(REFRESH_PRE);
246 inf->mcu_needflush = 0;
248 LcdSetRegBit(inf, MCU_TIMING_CTRL, m_MCU_HOLDMODE_FRAME_ST);
255 void mcutimer_callback(unsigned long arg)
257 struct rk29fb_inf *inf = platform_get_drvdata(g_pdev);
258 static int waitcnt = 0;
260 mod_timer(&inf->mcutimer, jiffies + HZ/10);
262 switch(inf->mcu_status)
265 inf->mcu_status = MS_MCU;
268 if(inf->mcu_usetimer) mcu_do_refresh(inf);
271 inf->mcu_status = MS_EWAITEND;
279 inf->mcu_status = MS_EEND;
283 inf->mcu_status = MS_MCU;
286 inf->mcu_status = MS_MCU;
291 int mcu_refresh(struct rk29fb_inf *inf)
293 static int mcutimer_inited = 0;
295 if(SCREEN_MCU!=inf->cur_screen->type) return 0;
300 init_timer(&inf->mcutimer);
301 inf->mcutimer.function = mcutimer_callback;
302 inf->mcutimer.expires = jiffies + HZ/5;
303 inf->mcu_status = MS_IDLE;
304 add_timer(&inf->mcutimer);
307 if(MS_MCU==inf->mcu_status) mcu_do_refresh(inf);
312 int mcu_ioctl(unsigned int cmd, unsigned long arg)
314 struct rk29fb_inf *inf = NULL;
315 if(!g_pdev) return -1;
317 inf = dev_get_drvdata(&g_pdev->dev);
322 LcdClrBit(inf, MCU_TIMING_CTRL, m_MCU_RS_SELECT);
323 LcdWrReg(inf, MCU_BYPASS_WPORT, arg);
324 LcdSetBit(inf, MCU_TIMING_CTRL, m_MCU_RS_SELECT);
328 LcdSetBit(inf, MCU_TIMING_CTRL, m_MCU_RS_SELECT);
329 LcdWrReg(inf, MCU_BYPASS_WPORT, arg);
333 LcdMskReg(inf, MCU_TIMING_CTRL, m_MCU_BYPASSMODE_SELECT, v_MCU_BYPASSMODE_SELECT(arg));
334 LcdWrReg(inf, REG_CFG_DONE, 0x01);
344 static irqreturn_t mcu_irqfmk(int irq, void *dev_id)
346 struct platform_device *pdev = (struct platform_device*)dev_id;
347 struct rk29fb_inf *inf = platform_get_drvdata(pdev);
348 struct rk29fb_screen *screen;
350 if(!inf) return IRQ_HANDLED;
352 screen = inf->cur_screen;
354 if(0==screen->mcu_usefmk) {
358 if(inf->mcu_fmksync == 1)
361 inf->mcu_fmksync = 1;
362 if(inf->mcu_needflush)
364 inf->mcu_needflush = 0;
366 if(inf->cur_screen->refresh)
367 inf->cur_screen->refresh(REFRESH_PRE);
368 LcdSetBit(inf, MCU_TIMING_CTRL, m_MCU_HOLDMODE_FRAME_ST);
370 inf->mcu_fmksync = 0;
375 int init_lcdc(struct fb_info *info)
377 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
380 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
382 // set AHB access rule and disable all windows
383 LcdWrReg(inf, SYS_CONFIG, 0x20000000);
384 LcdWrReg(inf, SWAP_CTRL, 0);
385 LcdWrReg(inf, FIFO_WATER_MARK, 0x00000860);
387 // and mcu holdmode; and set win1 top.
388 LcdMskReg(inf, MCU_TIMING_CTRL, m_MCU_HOLDMODE_SELECT | m_MCU_HOLDMODE_FRAME_ST | m_MCU_BYPASSMODE_SELECT ,
389 v_MCU_HOLDMODE_SELECT(0)| v_MCU_HOLDMODE_FRAME_ST(0) |v_MCU_BYPASSMODE_SELECT(0));
391 // disable blank out, black out, tristate out, yuv2rgb bypass
392 LcdMskReg(inf, BLEND_CTRL,m_W2_BLEND_EN | m_W1_BLEND_EN | m_W0_BLEND_EN | m_HWC_BLEND_EN |
393 m_HWC_BLEND_FACTOR | m_W1_BLEND_FACTOR | m_W0_BLEND_FACTOR,
394 v_W2_BLEND_EN(0) |v_W1_BLEND_EN(0) | v_W0_BLEND_EN(0) | v_HWC_BLEND_EN(0) |
395 v_HWC_BLEND_FACTOR(0) | v_W2_BLEND_FACTOR(0) | v_W1_BLEND_FACTOR(0) | v_W0_BLEND_FACTOR(0)
398 LcdMskReg(inf, WIN0_COLOR_KEY_CTRL, m_COLORKEY_EN, v_COLORKEY_EN(0));
399 LcdMskReg(inf, WIN1_COLOR_KEY_CTRL, m_COLORKEY_EN, v_COLORKEY_EN(0));
401 LcdWrReg(inf, DSP_CTRL0, 0);
402 LcdWrReg(inf, DSP_CTRL1, 0);
404 // initialize all interrupt
405 clr = v_HOR_STARTCLEAR(1) | v_FRM_STARTCLEAR(1) | v_SCANNING_CLEAR(1);
407 msk = v_HOR_STARTMASK(1) | v_FRM_STARTMASK(0) | v_SCANNING_MASK(1);
409 LcdWrReg(inf, INT_STATUS, clr | msk);
411 // let above to take effect
412 LcdWrReg(inf, REG_CFG_DONE, 0x01);
417 void load_screen(struct fb_info *info, bool initscreen)
420 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
421 struct rk29fb_screen *screen = inf->cur_screen;
422 u16 face = screen->face;
423 u16 mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend;
424 u16 right_margin = screen->right_margin, lower_margin = screen->lower_margin;
425 u16 x_res = screen->x_res, y_res = screen->y_res;
429 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
431 // set the rgb or mcu
432 LcdMskReg(inf, MCU_TIMING_CTRL, m_MCU_OUTPUT_SELECT, v_MCU_OUTPUT_SELECT((SCREEN_MCU==screen->type)?(1):(0)));
434 // set out format and mcu timing
435 mcu_total = (screen->mcu_wrperiod*150*1000)/1000000;
436 if(mcu_total>31) mcu_total = 31;
437 if(mcu_total<3) mcu_total = 3;
438 mcu_rwstart = (mcu_total+1)/4 - 1;
439 mcu_rwend = ((mcu_total+1)*3)/4 - 1;
440 mcu_csstart = (mcu_rwstart>2) ? (mcu_rwstart-3) : (0);
441 mcu_csend = (mcu_rwend>15) ? (mcu_rwend-1) : (mcu_rwend);
443 fbprintk(">> mcu_total=%d, mcu_rwstart=%d, mcu_csstart=%d, mcu_rwend=%d, mcu_csend=%d \n",
444 mcu_total, mcu_rwstart, mcu_csstart, mcu_rwend, mcu_csend);
446 LcdMskReg(inf, MCU_TIMING_CTRL,
447 m_MCU_CS_ST | m_MCU_CS_END| m_MCU_RW_ST | m_MCU_RW_END |
448 m_MCU_WRITE_PERIOD | m_MCU_HOLDMODE_SELECT | m_MCU_HOLDMODE_FRAME_ST,
449 v_MCU_CS_ST(mcu_csstart) | v_MCU_CS_END(mcu_csend) | v_MCU_RW_ST(mcu_rwstart) |
450 v_MCU_RW_END(mcu_rwend) | v_MCU_WRITE_PERIOD(mcu_total) |
451 v_MCU_HOLDMODE_SELECT((SCREEN_MCU==screen->type)?(1):(0)) | v_MCU_HOLDMODE_FRAME_ST(0)
454 // set synchronous pin polarity and data pin swap rule
455 LcdMskReg(inf, DSP_CTRL0,
456 m_DISPLAY_FORMAT | m_HSYNC_POLARITY | m_VSYNC_POLARITY | m_DEN_POLARITY |
457 m_DCLK_POLARITY | m_COLOR_SPACE_CONVERSION,
458 v_DISPLAY_FORMAT(face) | v_HSYNC_POLARITY(screen->pin_hsync) | v_VSYNC_POLARITY(screen->pin_vsync) |
459 v_DEN_POLARITY(screen->pin_den) | v_DCLK_POLARITY(screen->pin_dclk) | v_COLOR_SPACE_CONVERSION(0)
462 LcdMskReg(inf, DSP_CTRL1, m_BG_COLOR, v_BG_COLOR(0x000000) );
464 LcdMskReg(inf, SWAP_CTRL, m_OUTPUT_RB_SWAP | m_OUTPUT_RG_SWAP | m_DELTA_SWAP | m_DUMMY_SWAP,
465 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));
467 // set horizontal & vertical out timing
468 if(SCREEN_MCU==inf->cur_screen->type)
470 right_margin = x_res/6;
473 printk("screen->hsync_len =%d, screen->left_margin =%d, x_res =%d, right_margin = %d \n",
474 screen->hsync_len , screen->left_margin , x_res , right_margin );
475 LcdMskReg(inf, DSP_HTOTAL_HS_END, m_BIT11LO | m_BIT11HI, v_BIT11LO(screen->hsync_len) |
476 v_BIT11HI(screen->hsync_len + screen->left_margin + x_res + right_margin));
477 LcdMskReg(inf, DSP_HACT_ST_END, m_BIT11LO | m_BIT11HI, v_BIT11LO(screen->hsync_len + screen->left_margin + x_res) |
478 v_BIT11HI(screen->hsync_len + screen->left_margin));
480 LcdMskReg(inf, DSP_VTOTAL_VS_END, m_BIT11LO | m_BIT11HI, v_BIT11LO(screen->vsync_len) |
481 v_BIT11HI(screen->vsync_len + screen->upper_margin + y_res + lower_margin));
482 LcdMskReg(inf, DSP_VACT_ST_END, m_BIT11LO | m_BIT11HI, v_BIT11LO(screen->vsync_len + screen->upper_margin+y_res)|
483 v_BIT11HI(screen->vsync_len + screen->upper_margin));
485 LcdMskReg(inf, DSP_VS_ST_END_F1, m_BIT11LO | m_BIT11HI, v_BIT11LO(0) | v_BIT11HI(0));
486 LcdMskReg(inf, DSP_VACT_ST_END_F1, m_BIT11LO | m_BIT11HI, v_BIT11LO(0) | v_BIT11HI(0));
488 // let above to take effect
489 LcdWrReg(inf, REG_CFG_DONE, 0x01);
492 if(SCREEN_MCU==screen->type) screen->pixclock = 150; //mcu fix to 150 MHz
494 clk_set_parent(inf->dclk_divider, inf->dclk_parent);
495 clk_set_parent(inf->dclk, inf->dclk_divider);
497 dclk_rate = screen->pixclock * 1000000;
499 fbprintk(">>>>>> set lcdc dclk need %d HZ, clk_parent = %d hz \n ", screen->pixclock, clk_rate);
502 ret = clk_set_rate(inf->dclk_divider, dclk_rate);
506 printk(KERN_ERR ">>>>>> set lcdc dclk_divider faild \n ");
509 clk_enable(inf->dclk);
510 clk_enable(inf->clk);
511 clk_enable(inf->clk_share_mem);
515 if(screen->init && initscreen)
520 #ifdef CONFIG_CPU_FREQ
522 * CPU clock speed change handler. We need to adjust the LCD timing
523 * parameters when the CPU clock is adjusted by the power management
526 #define TO_INF(ptr,member) container_of(ptr,struct rk29fb_inf,member)
529 rk29fb_freq_transition(struct notifier_block *nb, unsigned long val, void *data)
531 struct rk29fb_inf *inf = TO_INF(nb, freq_transition);
532 struct rk29fb_screen *screen = inf->cur_screen;
537 case CPUFREQ_PRECHANGE:
539 case CPUFREQ_POSTCHANGE:
541 dclk_rate = screen->pixclock * 1000000;
543 fbprintk(">>>>>> set lcdc dclk need %d HZ, clk_parent = %d hz \n ", screen->pixclock, dclk_rate);
545 clk_set_rate(inf->dclk_divider, dclk_rate);
553 static inline unsigned int chan_to_field(unsigned int chan,
554 struct fb_bitfield *bf)
557 chan >>= 16 - bf->length;
558 return chan << bf->offset;
561 static int fb_setcolreg(unsigned regno,
562 unsigned red, unsigned green, unsigned blue,
563 unsigned transp, struct fb_info *info)
566 // fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
568 switch (info->fix.visual) {
569 case FB_VISUAL_TRUECOLOR:
570 /* true-colour, use pseudo-palette */
572 u32 *pal = info->pseudo_palette;
573 val = chan_to_field(red, &info->var.red);
574 val |= chan_to_field(green, &info->var.green);
575 val |= chan_to_field(blue, &info->var.blue);
580 return -1; /* unknown type */
587 int rk29_set_cursor(struct fb_info *info, struct fb_cursor *cursor)
589 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
591 //fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
593 /* check not being asked to exceed capabilities */
595 if (cursor->image.width > 32)
598 if (cursor->image.height > 32)
601 if (cursor->image.depth > 1)
605 LcdSetBit(inf, SYS_CONFIG, m_HWC_ENABLE);
607 LcdClrBit(inf, SYS_CONFIG, m_HWC_ENABLE);
610 if (cursor->set & FB_CUR_SETPOS)
612 unsigned int x = cursor->image.dx;
613 unsigned int y = cursor->image.dy;
615 if (x >= 0x800 || y >= 0x800 )
617 LcdWrReg(inf, HWC_DSP_ST, v_BIT11LO(x)|v_BIT11HI(y));
621 if (cursor->set & FB_CUR_SETCMAP)
623 unsigned int bg_col = cursor->image.bg_color;
624 unsigned int fg_col = cursor->image.fg_color;
626 fbprintk("%s: update cmap (%08x,%08x)\n",
627 __func__, bg_col, fg_col);
629 LcdMskReg(inf, HWC_COLOR_LUT0, m_HWC_R|m_HWC_G|m_HWC_B,
630 v_HWC_R(info->cmap.red[bg_col]>>8) | v_HWC_G(info->cmap.green[bg_col]>>8) | v_HWC_B(info->cmap.blue[bg_col]>>8));
632 LcdMskReg(inf, HWC_COLOR_LUT2, m_HWC_R|m_HWC_G|m_HWC_B,
633 v_HWC_R(info->cmap.red[fg_col]>>8) | v_HWC_G(info->cmap.green[fg_col]>>8) | v_HWC_B(info->cmap.blue[fg_col]>>8));
636 if ((cursor->set & FB_CUR_SETSIZE ||
637 cursor->set & (FB_CUR_SETIMAGE | FB_CUR_SETSHAPE))
638 && info->screen_base && info->fix.smem_start && info->fix.smem_len)
640 /* rk29 cursor is a 2 bpp 32x32 bitmap this routine
641 * clears it to transparent then combines the cursor
642 * shape plane with the colour plane to set the
645 const unsigned char *pcol = cursor->image.data;
646 const unsigned char *pmsk = cursor->mask;
648 unsigned long cursor_mem_start;
649 unsigned char dcol = 0;
650 unsigned char dmsk = 0;
653 dst = info->screen_base + info->fix.smem_len - CURSOR_BUF_SIZE;
654 cursor_mem_start = info->fix.smem_start + info->fix.smem_len - CURSOR_BUF_SIZE;
656 fbprintk("%s: setting shape (%d,%d)\n",
657 __func__, cursor->image.width, cursor->image.height);
659 memset(dst, 0, CURSOR_BUF_SIZE);
661 for (y = 0; y < cursor->image.height; y++)
663 for (x = 0; x < cursor->image.width; x++)
674 op = (dcol & 1) ? 1 : 3;
675 op <<= ((x % 4) * 2);
676 *(u8*)(dst+(x/4)) |= op;
681 LcdSetBit(inf, SYS_CONFIG,m_HWC_RELOAD_EN);
682 LcdWrReg(inf, HWC_MST, cursor_mem_start);
683 // flush end when wq_condition=1 in mcu panel, but not in rgb panel
684 if(SCREEN_MCU == inf->cur_screen->type) {
685 wait_event_interruptible_timeout(wq, wq_condition, HZ/20);
689 wait_event_interruptible_timeout(wq, wq_condition, HZ/20);
691 LcdClrBit(inf, SYS_CONFIG, m_HWC_RELOAD_EN);
698 static int win0fb_blank(int blank_mode, struct fb_info *info)
700 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
702 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
708 case FB_BLANK_UNBLANK:
709 LcdMskReg(inf, SYS_CONFIG, m_W0_ENABLE, v_W0_ENABLE(1));
712 LcdMskReg(inf, SYS_CONFIG, m_W0_ENABLE, v_W0_ENABLE(0));
715 LcdWrReg(inf, REG_CFG_DONE, 0x01);
721 static int win0fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
723 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
724 struct rk29fb_screen *screen = inf->cur_screen;
726 u32 ScaleYRGBY=0x1000;
727 u16 xpos = (var->nonstd>>8) & 0xfff; //offset in panel
728 u16 ypos = (var->nonstd>>20) & 0xfff;
729 u16 xsize = (var->grayscale>>8) & 0xfff; //visiable size in panel
730 u16 ysize = (var->grayscale>>20) & 0xfff;
731 u16 xlcd = screen->x_res; //size of panel
732 u16 ylcd = screen->y_res;
735 if(inf->win0fb->var.rotate == 270) {
736 xlcd = screen->y_res;
737 ylcd = screen->x_res;
740 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
744 if( 0==var->xres_virtual || 0==var->yres_virtual ||
745 0==var->xres || 0==var->yres || var->xres<16 ||
746 0==xsize || 0==ysize || xsize<16 ||
747 ((16!=var->bits_per_pixel)&&(32!=var->bits_per_pixel)) )
749 printk(">>>>>> win0fb_check_var fail 1!!! \n");
750 printk("0==%d || 0==%d || 0==%d || 0==%d || %d<16 \n ||0==%d || 0==%d || %d<16 ||((16!=%d)&&(32!=%d)) \n",
751 var->xres_virtual, var->yres_virtual, var->xres, var->yres, var->xres, xsize, ysize, xsize,
752 var->bits_per_pixel, var->bits_per_pixel);
756 if( (var->xoffset+var->xres)>var->xres_virtual ||
757 (var->yoffset+var->yres)>var->yres_virtual ||
758 (xpos+xsize)>xlcd || (ypos+ysize)>ylcd )
760 printk(">>>>>> win0fb_check_var fail 2!!! \n");
761 printk("(%d+%d)>%d || (%d+%d)>%d || (%d+%d)>%d || (%d+%d)>%d \n ",
762 var->xoffset, var->xres, var->xres_virtual, var->yoffset, var->yres,
763 var->yres_virtual, xpos, xsize, xlcd, ypos, ysize, ylcd);
767 switch(var->nonstd&0x0f)
770 switch(var->bits_per_pixel)
773 var->xres_virtual = (var->xres_virtual + 0x1) & (~0x1);
774 var->xres = (var->xres + 0x1) & (~0x1);
775 var->xoffset = (var->xoffset) & (~0x1);
778 var->bits_per_pixel = 32;
781 var->nonstd &= ~0xc0; //not support I2P in this format
784 var->xres_virtual = (var->xres_virtual + 0x3) & (~0x3);
785 var->xres = (var->xres + 0x3) & (~0x3);
786 var->xoffset = (var->xoffset) & (~0x3);
789 var->xres_virtual = (var->xres_virtual + 0x3) & (~0x3);
790 var->yres_virtual = (var->yres_virtual + 0x1) & (~0x1);
791 var->xres = (var->xres + 0x3) & (~0x3);
792 var->yres = (var->yres + 0x1) & (~0x1);
793 var->xoffset = (var->xoffset) & (~0x3);
794 var->yoffset = (var->yoffset) & (~0x1);
797 var->xres_virtual = (var->xres_virtual + 0x3) & (~0x3);
798 var->yres_virtual = (var->yres_virtual + 0x1) & (~0x1);
799 var->xres = (var->xres + 0x3) & (~0x3);
800 var->yres = (var->yres + 0x1) & (~0x1);
801 var->xoffset = (var->xoffset) & (~0x3);
802 var->yoffset = (var->yoffset) & (~0x1);
803 var->nonstd &= ~0xc0; //not support I2P in this format
806 var->xres_virtual = (var->xres_virtual + 0x7) & (~0x7);
807 var->yres_virtual = (var->yres_virtual + 0x1) & (~0x1);
808 var->xres = (var->xres + 0x7) & (~0x7);
809 var->yres = (var->yres + 0x1) & (~0x1);
810 var->xoffset = (var->xoffset) & (~0x7);
811 var->yoffset = (var->yoffset) & (~0x1);
812 var->nonstd &= ~0xc0; //not support I2P in this format
815 var->xres_virtual = (var->xres_virtual + 0x3) & (~0x3);
816 var->xres = (var->xres + 0x3) & (~0x3);
817 var->xoffset = (var->xoffset) & (~0x3);
818 var->nonstd &= ~0xc0; //not support I2P in this format
821 printk(">>>>>> win0fb var->nonstd=%d is invalid! \n", var->nonstd);
825 if(var->rotate == 270)
833 ScaleYRGBY = CalScaleW0(yres, ysize);
835 if((ScaleYRGBY>0x8000) || (ScaleYRGBY<0x200))
837 return -EINVAL; // multiple of scale down or scale up can't exceed 8
843 static int win0fb_set_par(struct fb_info *info)
845 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
846 struct rk29fb_screen *screen = inf->cur_screen;
847 struct fb_var_screeninfo *var = &info->var;
848 struct fb_fix_screeninfo *fix = &info->fix;
849 struct win0_par *par = info->par;
852 u32 cblen=0, crlen=0, map_size=0, smem_len=0;
854 u32 xact = var->xres; /* visible resolution */
855 u32 yact = var->yres;
856 u32 xvir = var->xres_virtual; /* virtual resolution */
857 u32 yvir = var->yres_virtual;
858 u32 xact_st = var->xoffset; /* offset from virtual to visible */
859 u32 yact_st = var->yoffset; /* resolution */
861 u16 xpos = (var->nonstd>>8) & 0xfff; //visiable pos in panel
862 u16 ypos = (var->nonstd>>20) & 0xfff;
863 u16 xsize = (var->grayscale>>8) & 0xfff; //visiable size in panel
864 u16 ysize = (var->grayscale>>20) & 0xfff;
866 u32 ScaleYrgbX=0x1000,ScaleYrgbY=0x1000;
867 u32 ScaleCbrX=0x1000, ScaleCbrY=0x1000;
869 u8 data_format = var->nonstd&0x0f;
870 u32 win0_en = var->reserved[2];
871 u32 y_addr = var->reserved[3]; //user alloc buf addr y
872 u32 uv_addr = var->reserved[4];
874 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
878 /* calculate y_offset,uv_offset,line_length,cblen and crlen */
882 switch(var->bits_per_pixel)
886 fix->line_length = 2 * xvir;
887 par->y_offset = (yact_st*xvir + xact_st)*2;
891 fix->line_length = 4 * xvir;
892 par->y_offset = (yact_st*xvir + xact_st)*4;
900 fix->line_length = xvir;
901 cblen = crlen = (xvir*yvir)/2;
902 par->y_offset = yact_st*xvir + xact_st;
903 par->uv_offset = yact_st*xvir + xact_st;
907 fix->line_length = xvir;
908 cblen = crlen = (xvir*yvir)/4;
910 par->y_offset = yact_st*xvir + xact_st;
911 par->uv_offset = (yact_st/2)*xvir + xact_st;
916 fix->line_length = xvir;
917 par->y_offset = (yact_st/2)*2*xvir + (xact_st)*2;
918 par->uv_offset = (yact_st/2)*xvir + xact_st;
919 cblen = crlen = (xvir*yvir)/4;
923 fix->line_length = xvir;
924 par->y_offset = (yact_st/2)*3*xvir + (xact_st)*3;
925 cblen = crlen = (xvir*yvir)/4;
929 fix->line_length = xvir;
930 par->y_offset = yact_st*xvir + xact_st;
931 par->uv_offset = yact_st*2*xvir + xact_st*2;
932 cblen = crlen = (xvir*yvir);
938 smem_len = fix->line_length * yvir + cblen + crlen;
939 map_size = PAGE_ALIGN(smem_len);
941 if (info->screen_base) {
942 printk(">>>>>> win0fb unmap memory(%d)! \n", info->fix.smem_len);
943 dma_free_writecombine(NULL, PAGE_ALIGN(info->fix.smem_len),info->screen_base, info->fix.smem_start);
944 info->screen_base = 0;
946 fix->smem_start = y_addr;
947 fix->smem_len = smem_len;
948 fix->mmio_start = uv_addr;
950 par->addr_seted = ((-1==(int)y_addr)&&(-1==(int)uv_addr)) ? 0 : 1;
951 fbprintk("buffer alloced by user fix->smem_start = %8x, fix->smem_len = %8x, fix->mmio_start = %8x \n", (u32)fix->smem_start, (u32)fix->smem_len, (u32)fix->mmio_start);
953 // calculate the display phy address
954 y_addr = fix->smem_start + par->y_offset;
955 uv_addr = fix->mmio_start + par->uv_offset;
957 fbprintk("y_addr 0x%08x = 0x%08x + %d\n", y_addr, (u32)fix->smem_start, par->y_offset);
958 fbprintk("uv_addr 0x%08x = 0x%08x + %d\n", uv_addr, (u32)fix->mmio_start , par->uv_offset);
960 ScaleYrgbX = CalScaleW0(xact, xsize);
961 ScaleYrgbY = CalScaleW0(yact, ysize);
966 ScaleCbrX= CalScaleW0((xact/2), xsize);
967 ScaleCbrY = CalScaleW0(yact, ysize);
972 ScaleCbrX= CalScaleW0(xact/2, xsize);
973 ScaleCbrY = CalScaleW0(yact/2, ysize);
976 ScaleCbrX= CalScaleW0(xact, xsize);
977 ScaleCbrY = CalScaleW0(yact, ysize);
981 xpos += (screen->left_margin + screen->hsync_len);
982 ypos += (screen->upper_margin + screen->vsync_len);
984 LcdWrReg(inf, WIN0_YRGB_MST, y_addr);
985 LcdWrReg(inf, WIN0_CBR_MST, uv_addr);
987 LcdMskReg(inf, SYS_CONFIG, m_W0_ENABLE | m_W0_FORMAT, v_W0_ENABLE(win0_en) | v_W0_FORMAT(format));
989 LcdMskReg(inf, WIN0_VIR, m_WORDLO | m_WORDHI, v_VIRWIDTH(xvir) | v_VIRHEIGHT((yvir)) );
990 LcdMskReg(inf, WIN0_ACT_INFO, m_WORDLO | m_WORDHI, v_WORDLO(xact) | v_WORDHI(yact));
991 LcdMskReg(inf, WIN0_DSP_ST, m_BIT11LO | m_BIT11HI, v_BIT11LO(xpos) | v_BIT11HI(ypos));
992 LcdMskReg(inf, WIN0_DSP_INFO, m_BIT11LO | m_BIT11HI, v_BIT11LO(xsize) | v_BIT11HI(ysize));
993 LcdMskReg(inf, WIN0_SCL_FACTOR_YRGB, m_WORDLO | m_WORDHI, v_WORDLO(ScaleYrgbX) | v_WORDHI(ScaleYrgbY));
994 LcdMskReg(inf, WIN0_SCL_FACTOR_CBR, m_WORDLO | m_WORDHI, v_WORDLO(ScaleCbrX) | v_WORDHI(ScaleCbrY));
999 LcdMskReg(inf, SWAP_CTRL, m_W0_YRGB_8_SWAP | m_W0_YRGB_16_SWAP | m_W0_YRGB_R_SHIFT_SWAP | m_W0_565_RB_SWAP | m_W0_YRGB_M8_SWAP | m_W0_CBR_8_SWAP,
1000 v_W0_YRGB_8_SWAP(0) | v_W0_YRGB_16_SWAP(0) | v_W0_YRGB_R_SHIFT_SWAP(0) | v_W0_565_RB_SWAP(1) | v_W0_YRGB_M8_SWAP(0) | v_W0_CBR_8_SWAP(0));
1003 LcdMskReg(inf, SWAP_CTRL, m_W0_YRGB_8_SWAP | m_W0_YRGB_16_SWAP | m_W0_YRGB_R_SHIFT_SWAP | m_W0_565_RB_SWAP | m_W0_YRGB_M8_SWAP | m_W0_CBR_8_SWAP,
1004 v_W0_YRGB_8_SWAP(0) | v_W0_YRGB_16_SWAP(0) | v_W0_YRGB_R_SHIFT_SWAP(0) | v_W0_565_RB_SWAP(0) |
1005 v_W0_YRGB_M8_SWAP((var->rotate==0)) | v_W0_CBR_8_SWAP(0));
1008 LcdMskReg(inf, SWAP_CTRL, m_W0_YRGB_8_SWAP | m_W0_YRGB_16_SWAP | m_W0_YRGB_R_SHIFT_SWAP | m_W0_565_RB_SWAP | m_W0_YRGB_M8_SWAP | m_W0_CBR_8_SWAP,
1009 v_W0_YRGB_8_SWAP(0) | v_W0_YRGB_16_SWAP(0) | v_W0_YRGB_R_SHIFT_SWAP(0) | v_W0_565_RB_SWAP(0) | v_W0_YRGB_M8_SWAP(0) | v_W0_CBR_8_SWAP(0) );
1012 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1017 static int win0fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
1019 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
1020 // struct fb_var_screeninfo *var0 = &info->var;
1021 struct fb_fix_screeninfo *fix0 = &info->fix;
1022 struct win0_par *par = info->par;
1023 u32 y_addr=0, uv_addr=0;
1025 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
1029 y_addr = fix0->smem_start + par->y_offset;//y_offset;
1030 uv_addr = fix0->mmio_start + par->uv_offset ;//uv_offset;
1032 LcdWrReg(inf, WIN0_YRGB_MST, y_addr);
1033 LcdWrReg(inf, WIN0_CBR_MST, uv_addr);
1034 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1036 // enable win0 after the win0 addr is seted
1038 LcdMskReg(inf, SYS_CONFIG, m_W0_ENABLE, v_W0_ENABLE((1==par->addr_seted)?(1):(0)));
1044 int win0fb_open(struct fb_info *info, int user)
1046 struct win0_par *par = info->par;
1048 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
1051 par->addr_seted = 0;
1054 printk(">>>>>> win0fb has opened! \n");
1062 int win0fb_release(struct fb_info *info, int user)
1064 struct win0_par *par = info->par;
1065 struct fb_var_screeninfo *var0 = &info->var;
1067 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
1072 win0fb_blank(FB_BLANK_POWERDOWN, info);
1073 // wait for lcdc stop access memory
1077 if (info->screen_base) {
1078 printk(">>>>>> win0fb unmap memory(%d)! \n", info->fix.smem_len);
1079 dma_free_writecombine(NULL, PAGE_ALIGN(info->fix.smem_len),info->screen_base, info->fix.smem_start);
1080 info->screen_base = 0;
1081 info->fix.smem_start = 0;
1082 info->fix.smem_len = 0;
1085 // clean the var param
1086 memset(var0, 0, sizeof(struct fb_var_screeninfo));
1092 static int win0fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
1094 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
1095 struct win0_par *par = info->par;
1096 void __user *argp = (void __user *)arg;
1098 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
1099 fbprintk("win0fb_ioctl cmd = %8x, arg = %8x \n", (u32)cmd, (u32)arg);
1105 case FB1_IOCTL_GET_PANEL_SIZE: //get panel size
1108 if(inf->win0fb->var.rotate == 270) {
1109 panel_size[0] = inf->cur_screen->y_res;
1110 panel_size[1] = inf->cur_screen->x_res;
1112 panel_size[0] = inf->cur_screen->x_res;
1113 panel_size[1] = inf->cur_screen->y_res;
1116 if(copy_to_user(argp, panel_size, 8)) return -EFAULT;
1120 case FB1_IOCTL_SET_YUV_ADDR: //set y&uv address to register direct
1123 if (copy_from_user(yuv_phy, argp, 8))
1126 yuv_phy[0] += par->y_offset;
1127 yuv_phy[1] += par->uv_offset;
1129 LcdWrReg(inf, WIN0_YRGB_MST, yuv_phy[0]);
1130 LcdWrReg(inf, WIN0_CBR_MST, yuv_phy[1]);
1131 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1132 // enable win0 after the win0 par is seted
1133 par->addr_seted = 1;
1134 if(par->par_seted) {
1135 LcdMskReg(inf, SYS_CONFIG, m_W0_ENABLE, v_W0_ENABLE(1));
1141 case FB1_IOCTL_SET_ROTATE: //change MCU panel scan direction
1142 fbprintk(">>>>>> change lcdc direction(%d) \n", (int)arg);
1151 static struct fb_ops win0fb_ops = {
1152 .owner = THIS_MODULE,
1153 .fb_open = win0fb_open,
1154 .fb_release = win0fb_release,
1155 .fb_check_var = win0fb_check_var,
1156 .fb_set_par = win0fb_set_par,
1157 .fb_blank = win0fb_blank,
1158 .fb_pan_display = win0fb_pan_display,
1159 .fb_ioctl = win0fb_ioctl,
1160 .fb_setcolreg = fb_setcolreg,
1161 .fb_fillrect = cfb_fillrect,
1162 .fb_copyarea = cfb_copyarea,
1163 .fb_imageblit = cfb_imageblit,
1166 static int win1fb_blank(int blank_mode, struct fb_info *info)
1168 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
1170 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
1176 case FB_BLANK_UNBLANK:
1177 LcdMskReg(inf, SYS_CONFIG, m_W1_ENABLE, v_W1_ENABLE(1));
1180 LcdMskReg(inf, SYS_CONFIG, m_W1_ENABLE, v_W1_ENABLE(0));
1183 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1189 static int win1fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1191 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
1192 struct rk29fb_screen *screen = inf->cur_screen;
1193 u16 xpos = (var->nonstd>>8) & 0xfff;
1194 u16 ypos = (var->nonstd>>20) & 0xfff;
1195 u16 xlcd = screen->x_res;
1196 u16 ylcd = screen->y_res;
1197 u8 trspmode = (var->grayscale>>8) & 0xff;
1198 u8 trspval = (var->grayscale) & 0xff;
1200 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
1204 #if (0==WIN1_USE_DOUBLE_BUF)
1205 if(var->yres_virtual>ylcd)
1206 var->yres_virtual = ylcd;
1209 if( 0==var->xres_virtual || 0==var->yres_virtual ||
1210 0==var->xres || 0==var->yres || var->xres<16 ||
1211 trspmode>5 || trspval>16 ||
1212 ((16!=var->bits_per_pixel)&&(32!=var->bits_per_pixel)) )
1214 printk(">>>>>> win1fb_check_var fail 1!!! \n");
1215 printk(">>>>>> 0==%d || 0==%d ", var->xres_virtual,var->yres_virtual);
1216 printk("0==%d || 0==%d || %d<16 || ", var->xres,var->yres,var->xres<16);
1217 printk("%d>5 || %d>16 \n", trspmode,trspval);
1218 printk("bits_per_pixel=%d \n", var->bits_per_pixel);
1222 if( (var->xoffset+var->xres)>var->xres_virtual ||
1223 (var->yoffset+var->yres)>var->yres_virtual ||
1224 (xpos+var->xres)>xlcd || (ypos+var->yres)>ylcd )
1226 printk(">>>>>> win1fb_check_var fail 2!!! \n");
1227 printk(">>>>>> (%d+%d)>%d || ", var->xoffset,var->xres,var->xres_virtual);
1228 printk("(%d+%d)>%d || ", var->yoffset,var->yres,var->yres_virtual);
1229 printk("(%d+%d)>%d || (%d+%d)>%d \n", xpos,var->xres,xlcd,ypos,var->yres,ylcd);
1233 switch(var->bits_per_pixel)
1236 var->xres_virtual = (var->xres_virtual + 0x1) & (~0x1);
1237 var->xres = (var->xres + 0x1) & (~0x1);
1238 var->xoffset = (var->xoffset) & (~0x1);
1241 var->bits_per_pixel = 32;
1248 static int win1fb_set_par(struct fb_info *info)
1250 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
1251 struct fb_var_screeninfo *var = &info->var;
1252 struct fb_fix_screeninfo *fix = &info->fix;
1253 struct rk29fb_screen *screen = inf->cur_screen;
1258 u32 offset=0, addr=0, map_size=0, smem_len=0;
1260 u16 xres_virtual = var->xres_virtual; //virtual screen size
1261 //u16 yres_virtual = var->yres_virtual;
1263 u16 xpos_virtual = var->xoffset; //visiable offset in virtual screen
1264 u16 ypos_virtual = var->yoffset;
1266 u16 xpos = 0; //visiable offset in panel
1268 u16 xsize = screen->x_res; //visiable size in panel
1269 u16 ysize = screen->y_res;
1270 u8 trspmode = TRSP_CLOSE;
1273 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
1277 switch(var->bits_per_pixel)
1281 fix->line_length = 2 * xres_virtual;
1282 offset = (ypos_virtual*xres_virtual + xpos_virtual)*2;
1287 fix->line_length = 4 * xres_virtual;
1288 offset = (ypos_virtual*xres_virtual + xpos_virtual)*4;
1292 smem_len = fix->line_length * var->yres_virtual + CURSOR_BUF_SIZE; //cursor buf also alloc here
1293 map_size = PAGE_ALIGN(smem_len);
1295 #if WIN1_USE_DOUBLE_BUF
1296 if( var->yres_virtual == 2*screen->y_res ) {
1297 inf->mcu_usetimer = 0;
1299 if(0==fix->smem_len) {
1300 smem_len = smem_len*2;
1301 map_size = PAGE_ALIGN(smem_len);
1302 fbprintk(">>>>>> first alloc, alloc double!!! \n ");
1306 #if WIN1_USE_DOUBLE_BUF
1307 if (smem_len > fix->smem_len) // buffer need realloc
1309 if (smem_len != fix->smem_len) // buffer need realloc
1312 fbprintk(">>>>>> win1 buffer size is change(%d->%d)! remap memory!\n",fix->smem_len, smem_len);
1313 fbprintk(">>>>>> smem_len %d = %d * %d \n", smem_len, fix->line_length, var->yres_virtual);
1314 fbprintk(">>>>>> map_size = %d\n", map_size);
1315 LcdMskReg(inf, SYS_CONFIG, m_W1_ENABLE, v_W1_ENABLE(0));
1316 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1318 if (info->screen_base) {
1319 printk(">>>>>> win1fb unmap memory(%d)! \n", info->fix.smem_len);
1320 dma_free_writecombine(NULL, PAGE_ALIGN(info->fix.smem_len), info->screen_base, info->fix.smem_start);
1321 info->screen_base = 0;
1322 fix->smem_start = 0;
1326 info->screen_base = dma_alloc_writecombine(NULL, map_size, &map_dma, GFP_KERNEL);
1327 if(!info->screen_base) {
1328 printk(">>>>>> win1fb dma_alloc_writecombine fail!\n");
1331 memset(info->screen_base, 0, map_size);
1332 fix->smem_start = map_dma;
1333 fix->smem_len = smem_len;
1334 fbprintk(">>>>>> alloc succ, mem=%08x, len=%d!\n", (u32)fix->smem_start, fix->smem_len);
1337 addr = fix->smem_start + offset;
1340 LcdMskReg(inf, SYS_CONFIG, m_W1_ENABLE|m_W1_FORMAT, v_W1_ENABLE(1)|v_W1_FORMAT(format));
1342 xpos += (screen->left_margin + screen->hsync_len);
1343 ypos += (screen->upper_margin + screen->vsync_len);
1345 LcdWrReg(inf, WIN1_YRGB_MST, addr);
1347 LcdMskReg(inf, WIN1_DSP_ST, m_BIT11LO|m_BIT11HI, v_BIT11LO(xpos) | v_BIT11HI(ypos));
1348 LcdMskReg(inf, WIN1_DSP_INFO, m_BIT11LO|m_BIT11HI, v_BIT11LO(xsize) | v_BIT11HI(ysize));
1350 LcdMskReg(inf, WIN1_VIR, m_WORDLO | m_WORDHI , v_WORDLO(xres_virtual) | v_WORDHI(var->yres_virtual));
1352 LcdMskReg(inf, BLEND_CTRL, m_W1_BLEND_EN | m_W1_BLEND_FACTOR,
1353 v_W1_BLEND_EN((TRSP_FMREG==trspmode) || (TRSP_MASK==trspmode)) | v_W1_BLEND_FACTOR(trspval));
1355 // enable win1 color key and set the color to black(rgb=0)
1356 LcdMskReg(inf, WIN1_COLOR_KEY_CTRL, m_COLORKEY_EN | m_KEYCOLOR, v_COLORKEY_EN(1) | v_KEYCOLOR(0));
1358 if(1==format) //rgb565
1360 LcdMskReg(inf, SWAP_CTRL, m_W1_8_SWAP | m_W1_16_SWAP | m_W1_R_SHIFT_SWAP | m_W1_565_RB_SWAP,
1361 v_W1_8_SWAP(0) | v_W1_16_SWAP(0) | v_W1_R_SHIFT_SWAP(0) | v_W1_565_RB_SWAP(0) );
1365 LcdMskReg(inf, SWAP_CTRL, m_W1_8_SWAP | m_W1_16_SWAP | m_W1_R_SHIFT_SWAP | m_W1_565_RB_SWAP,
1366 v_W1_8_SWAP(0) | v_W1_16_SWAP(0) | v_W1_R_SHIFT_SWAP(0) | v_W1_565_RB_SWAP(0) );
1368 LcdMskReg(inf, DSP_CTRL0, m_W1_TRANSP_FROM, v_W1_TRANSP_FROM(TRSP_FMRAM==trspmode) );
1371 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1376 static int win1fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
1378 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
1379 struct fb_var_screeninfo *var1 = &info->var;
1380 struct fb_fix_screeninfo *fix1 = &info->fix;
1382 u32 offset = 0, addr = 0;
1384 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
1388 switch(var1->bits_per_pixel)
1391 var->xoffset = (var->xoffset) & (~0x1);
1392 offset = (var->yoffset*var1->xres_virtual + var->xoffset)*2;
1395 offset = (var->yoffset*var1->xres_virtual + var->xoffset)*4;
1401 addr = fix1->smem_start + offset;
1403 fbprintk("info->screen_base = %8x ; fix1->smem_len = %d , addr = %8x\n",(u32)info->screen_base, fix1->smem_len, addr);
1405 LcdWrReg(inf, WIN1_YRGB_MST, addr);
1406 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1410 // flush end when wq_condition=1 in mcu panel, but not in rgb panel
1411 if(SCREEN_MCU == inf->cur_screen->type) {
1412 wait_event_interruptible_timeout(wq, wq_condition, HZ/20);
1416 wait_event_interruptible_timeout(wq, wq_condition, HZ/20);
1420 for(i=0;i<=(0xc0/4);i+=4)
1422 fbprintk("0x%02X: 0x%08X 0x%08X 0x%08X 0x%08X \n", i*4,
1423 *((u32*)inf->reg_vir_base+i),
1424 *((u32*)inf->reg_vir_base+i+1),
1425 *((u32*)inf->reg_vir_base+i+2),
1426 *((u32*)inf->reg_vir_base+i+3));
1434 static int win1fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
1436 struct rk29fb_inf *inf = dev_get_drvdata(info->device);
1437 struct rk29fb_info *mach_info = info->device->platform_data;
1438 unsigned display_on;
1441 fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
1447 case FB0_IOCTL_STOP_TIMER_FLUSH: //stop timer flush mcu panel after android is runing
1450 inf->mcu_usetimer = 0;
1454 case FB0_IOCTL_SET_PANEL:
1455 if(arg>7) return -1;
1457 /* Black out, because some display device need clock to standby */
1458 //LcdMskReg(inf, DSP_CTRL_REG1, m_BLACK_OUT, v_BLACK_OUT(1));
1459 LcdMskReg(inf, SYS_CONFIG, m_W0_ENABLE, v_W0_ENABLE(0));
1460 LcdMskReg(inf, SYS_CONFIG, m_W1_ENABLE, v_W1_ENABLE(0));
1461 LcdMskReg(inf, DSP_CTRL1, m_BLACK_MODE, v_BLACK_MODE(1));
1462 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1465 if(inf->cur_screen->standby) inf->cur_screen->standby(1);
1466 // operate the display_on pin to power down the lcd
1467 if(SCREEN_RGB==inf->cur_screen->type || SCREEN_MCU==inf->cur_screen->type)
1469 if(mach_info && mach_info->disp_on_pin)
1471 display_on = mach_info->disp_on_pin;
1472 display_on_pol = mach_info->disp_on_value;
1473 gpio_direction_output(display_on, 0);
1474 gpio_set_value(display_on, !display_on_pol);
1479 /* Load the new device's param */
1482 case 0: inf->cur_screen = &inf->lcd_info; break; //lcd
1483 case 1: inf->cur_screen = &inf->tv_info[0]; break; //tv ntsc cvbs
1484 case 2: inf->cur_screen = &inf->tv_info[1]; break; //tv pal cvbs
1485 case 3: inf->cur_screen = &inf->tv_info[2]; break; //tv 480 ypbpr
1486 case 4: inf->cur_screen = &inf->tv_info[3]; break; //tv 576 ypbpr
1487 case 5: inf->cur_screen = &inf->tv_info[4]; break; //tv 720 ypbpr
1488 case 6: inf->cur_screen = &inf->hdmi_info[0]; break; //hdmi 576
1489 case 7: inf->cur_screen = &inf->hdmi_info[1]; break; //hdmi 720
1492 load_screen(info, 1);
1502 static struct fb_ops win1fb_ops = {
1503 .owner = THIS_MODULE,
1504 .fb_check_var = win1fb_check_var,
1505 .fb_set_par = win1fb_set_par,
1506 .fb_blank = win1fb_blank,
1507 .fb_pan_display = win1fb_pan_display,
1508 .fb_ioctl = win1fb_ioctl,
1509 .fb_setcolreg = fb_setcolreg,
1510 .fb_fillrect = cfb_fillrect,
1511 .fb_copyarea = cfb_copyarea,
1512 .fb_imageblit = cfb_imageblit,
1513 //.fb_cursor = rk29_set_cursor,
1517 static irqreturn_t rk29fb_irq(int irq, void *dev_id)
1519 struct platform_device *pdev = (struct platform_device*)dev_id;
1520 struct rk29fb_inf *inf = platform_get_drvdata(pdev);
1524 //fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
1526 LcdMskReg(inf, INT_STATUS, m_FRM_STARTCLEAR, v_FRM_STARTCLEAR(1));
1528 if(SCREEN_MCU == inf->cur_screen->type)
1530 inf->mcu_isrcnt = !inf->mcu_isrcnt;
1536 if(LcdReadBit(inf, MCU_TIMING_CTRL, m_MCU_HOLD_STATUS) && (inf->mcu_fmksync == 0))
1538 inf->mcu_fmksync = 1;
1539 if(inf->cur_screen->refresh)
1540 inf->cur_screen->refresh(REFRESH_END);
1541 inf->mcu_fmksync = 0;
1550 if(inf->mcu_needflush) {
1551 if(inf->cur_screen->refresh)
1552 inf->cur_screen->refresh(REFRESH_PRE);
1553 inf->mcu_needflush = 0;
1554 inf->mcu_isrcnt = 0;
1555 LcdSetRegBit(inf, MCU_TIMING_CTRL, m_MCU_HOLDMODE_FRAME_ST);
1557 if(inf->cur_screen->refresh)
1558 inf->cur_screen->refresh(REFRESH_END);
1564 wake_up_interruptible(&wq);
1569 #ifdef CONFIG_HAS_EARLYSUSPEND
1571 struct suspend_info {
1572 struct early_suspend early_suspend;
1573 struct rk29fb_inf *inf;
1576 void suspend(struct early_suspend *h)
1578 struct suspend_info *info = container_of(h, struct suspend_info,
1581 struct rk29fb_inf *inf = info->inf;
1583 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
1586 printk("inf==0, rk29fb_suspend fail! \n");
1590 set_lcd_pin(g_pdev, 0);
1592 if(inf->cur_screen->standby)
1594 fbprintk(">>>>>> power down the screen! \n");
1595 inf->cur_screen->standby(1);
1598 LcdMskReg(inf, DSP_CTRL1, m_BLANK_MODE , v_BLANK_MODE(1));
1599 LcdMskReg(inf, SYS_CONFIG, m_STANDBY, v_STANDBY(1));
1600 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1602 if(!inf->in_suspend)
1604 fbprintk(">>>>>> diable the lcdc clk! \n");
1607 clk_disable(inf->dclk);
1610 clk_disable(inf->clk);
1613 inf->in_suspend = 1;
1618 void resume(struct early_suspend *h)
1620 struct suspend_info *info = container_of(h, struct suspend_info,
1623 struct rk29fb_inf *inf = info->inf;
1625 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
1627 printk("inf==0, rk29fb_resume fail! \n");
1633 inf->in_suspend = 0;
1634 fbprintk(">>>>>> enable the lcdc clk! \n");
1636 clk_enable(inf->dclk);
1639 clk_enable(inf->clk);
1643 LcdMskReg(inf, DSP_CTRL1, m_BLANK_MODE , v_BLANK_MODE(0));
1644 LcdMskReg(inf, SYS_CONFIG, m_STANDBY, v_STANDBY(0));
1645 LcdWrReg(inf, REG_CFG_DONE, 0x01);
1647 if(inf->cur_screen->standby)
1649 fbprintk(">>>>>> power on the screen! \n");
1650 inf->cur_screen->standby(0);
1653 set_lcd_pin(g_pdev, 1);
1654 memcpy(inf->preg, &inf->regbak, 0xa4); //resume reg
1657 struct suspend_info suspend_info = {
1658 .early_suspend.suspend = suspend,
1659 .early_suspend.resume = resume,
1660 .early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB,
1664 static int __init rk29fb_probe (struct platform_device *pdev)
1666 struct rk29fb_inf *inf = NULL;
1667 struct resource *res = NULL;
1668 struct resource *mem = NULL;
1669 struct rk29fb_info *mach_info = NULL;
1670 struct rk29fb_screen *screen = NULL;
1674 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
1676 /* Malloc rk29fb_inf and set it to pdev for drvdata */
1677 fbprintk(">> Malloc rk29fb_inf and set it to pdev for drvdata \n");
1678 inf = kmalloc(sizeof(struct rk29fb_inf), GFP_KERNEL);
1681 dev_err(&pdev->dev, ">> inf kmalloc fail!");
1683 goto release_drvdata;
1685 memset(inf, 0, sizeof(struct rk29fb_inf));
1686 platform_set_drvdata(pdev, inf);
1688 mach_info = pdev->dev.platform_data;
1689 /* Fill screen info and set current screen */
1690 fbprintk(">> Fill screen info and set current screen \n");
1691 set_lcd_info(&inf->lcd_info, mach_info->lcd_info);
1692 set_tv_info(&inf->tv_info[0]);
1693 set_hdmi_info(&inf->hdmi_info[0]);
1694 inf->cur_screen = &inf->lcd_info;
1695 screen = inf->cur_screen;
1696 if(SCREEN_NULL==screen->type)
1698 dev_err(&pdev->dev, ">> Please select a display device! \n");
1700 goto release_drvdata;
1703 /* get virtual basic address of lcdc register */
1704 fbprintk(">> get virtual basic address of lcdc register \n");
1705 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1708 dev_err(&pdev->dev, "failed to get memory registers\n");
1710 goto release_drvdata;
1712 inf->reg_phy_base = res->start;
1713 inf->len = (res->end - res->start) + 1;
1714 mem = request_mem_region(inf->reg_phy_base, inf->len, pdev->name);
1717 dev_err(&pdev->dev, "failed to get memory region\n");
1719 goto release_drvdata;
1721 fbprintk("inf->reg_phy_base = 0x%08x, inf->len = %d \n", inf->reg_phy_base, inf->len);
1722 inf->reg_vir_base = ioremap(inf->reg_phy_base, inf->len);
1723 if (inf->reg_vir_base == NULL)
1725 dev_err(&pdev->dev, "ioremap() of registers failed\n");
1727 goto release_drvdata;
1729 inf->preg = (LCDC_REG*)inf->reg_vir_base;
1733 struct resource *rtc_mem = NULL;
1734 u32 rtc_reg_vir_base = NULL;
1735 rtc_mem = request_mem_region(RK29_RTC_PHYS, RK29_RTC_SIZE, NULL);
1736 rtc_reg_vir_base = (u32)ioremap(RK29_RTC_PHYS, RK29_RTC_SIZE);
1737 u32 rtc_reg = __raw_readl(rtc_reg_vir_base+0x04);
1738 __raw_writel( rtc_reg | 0x02, rtc_reg_vir_base+0x04 );
1739 rtc_reg = __raw_readl(rtc_reg_vir_base+0x04);
1743 /* Prepare win1 info */
1744 fbprintk(">> Prepare win1 info \n");
1745 inf->win1fb = framebuffer_alloc(sizeof(struct win1_par), &pdev->dev);
1748 dev_err(&pdev->dev, ">> win1fb framebuffer_alloc fail!");
1751 goto release_win1fb;
1754 strcpy(inf->win1fb->fix.id, "win1fb");
1755 inf->win1fb->fix.type = FB_TYPE_PACKED_PIXELS;
1756 inf->win1fb->fix.type_aux = 0;
1757 inf->win1fb->fix.xpanstep = 1;
1758 inf->win1fb->fix.ypanstep = 1;
1759 inf->win1fb->fix.ywrapstep = 0;
1760 inf->win1fb->fix.accel = FB_ACCEL_NONE;
1761 inf->win1fb->fix.visual = FB_VISUAL_TRUECOLOR;
1762 inf->win1fb->fix.smem_len = 0;
1763 inf->win1fb->fix.line_length = 0;
1764 inf->win1fb->fix.smem_start = 0;
1766 inf->win1fb->var.xres = screen->x_res;
1767 inf->win1fb->var.yres = screen->y_res;
1768 inf->win1fb->var.bits_per_pixel = 16;
1769 inf->win1fb->var.xres_virtual = screen->x_res;
1770 inf->win1fb->var.yres_virtual = screen->y_res;
1771 inf->win1fb->var.width = screen->x_res;
1772 inf->win1fb->var.height = screen->y_res;
1773 inf->win1fb->var.pixclock = screen->pixclock;
1774 inf->win1fb->var.left_margin = screen->left_margin;
1775 inf->win1fb->var.right_margin = screen->right_margin;
1776 inf->win1fb->var.upper_margin = screen->upper_margin;
1777 inf->win1fb->var.lower_margin = screen->lower_margin;
1778 inf->win1fb->var.vsync_len = screen->vsync_len;
1779 inf->win1fb->var.hsync_len = screen->hsync_len;
1780 inf->win1fb->var.red = def_rgb_16.red;
1781 inf->win1fb->var.green = def_rgb_16.green;
1782 inf->win1fb->var.blue = def_rgb_16.blue;
1783 inf->win1fb->var.transp = def_rgb_16.transp;
1785 inf->win1fb->var.nonstd = 0; //win1 format & ypos & xpos (ypos<<20 + xpos<<8 + format)
1786 inf->win1fb->var.grayscale = 0; //win1 transprent mode & value(mode<<8 + value)
1787 inf->win1fb->var.activate = FB_ACTIVATE_NOW;
1788 inf->win1fb->var.accel_flags = 0;
1789 inf->win1fb->var.vmode = FB_VMODE_NONINTERLACED;
1791 inf->win1fb->fbops = &win1fb_ops;
1792 inf->win1fb->flags = FBINFO_FLAG_DEFAULT;
1793 inf->win1fb->pseudo_palette = ((struct win1_par*)inf->win1fb->par)->pseudo_pal;
1794 inf->win1fb->screen_base = 0;
1796 memset(inf->win1fb->par, 0, sizeof(struct win1_par));
1797 ret = fb_alloc_cmap(&inf->win1fb->cmap, 256, 0);
1801 /* Prepare win0 info */
1802 fbprintk(">> Prepare win0 info \n");
1803 inf->win0fb = framebuffer_alloc(sizeof(struct win0_par), &pdev->dev);
1806 dev_err(&pdev->dev, ">> win0fb framebuffer_alloc fail!");
1809 goto release_win0fb;
1812 strcpy(inf->win0fb->fix.id, "win0fb");
1813 inf->win0fb->fix.type = FB_TYPE_PACKED_PIXELS;
1814 inf->win0fb->fix.type_aux = 0;
1815 inf->win0fb->fix.xpanstep = 1;
1816 inf->win0fb->fix.ypanstep = 1;
1817 inf->win0fb->fix.ywrapstep = 0;
1818 inf->win0fb->fix.accel = FB_ACCEL_NONE;
1819 inf->win0fb->fix.visual = FB_VISUAL_TRUECOLOR;
1820 inf->win0fb->fix.smem_len = 0;
1821 inf->win0fb->fix.line_length = 0;
1822 inf->win0fb->fix.smem_start = 0;
1824 inf->win0fb->var.xres = screen->x_res;
1825 inf->win0fb->var.yres = screen->y_res;
1826 inf->win0fb->var.bits_per_pixel = 16;
1827 inf->win0fb->var.xres_virtual = screen->x_res;
1828 inf->win0fb->var.yres_virtual = screen->y_res;
1829 inf->win0fb->var.width = screen->x_res;
1830 inf->win0fb->var.height = screen->y_res;
1831 inf->win0fb->var.pixclock = screen->pixclock;
1832 inf->win0fb->var.left_margin = screen->left_margin;
1833 inf->win0fb->var.right_margin = screen->right_margin;
1834 inf->win0fb->var.upper_margin = screen->upper_margin;
1835 inf->win0fb->var.lower_margin = screen->lower_margin;
1836 inf->win0fb->var.vsync_len = screen->vsync_len;
1837 inf->win0fb->var.hsync_len = screen->hsync_len;
1838 inf->win0fb->var.red = def_rgb_16.red;
1839 inf->win0fb->var.green = def_rgb_16.green;
1840 inf->win0fb->var.blue = def_rgb_16.blue;
1841 inf->win0fb->var.transp = def_rgb_16.transp;
1843 inf->win0fb->var.nonstd = 0; //win0 format & ypos & xpos (ypos<<20 + xpos<<8 + format)
1844 inf->win0fb->var.grayscale = ((inf->win0fb->var.yres<<20)&0xfff00000) + ((inf->win0fb->var.xres<<8)&0xfff00);//win0 xsize & ysize
1845 inf->win0fb->var.activate = FB_ACTIVATE_NOW;
1846 inf->win0fb->var.accel_flags = 0;
1847 inf->win0fb->var.vmode = FB_VMODE_NONINTERLACED;
1849 inf->win0fb->fbops = &win0fb_ops;
1850 inf->win0fb->flags = FBINFO_FLAG_DEFAULT;
1851 inf->win0fb->pseudo_palette = ((struct win0_par*)inf->win0fb->par)->pseudo_pal;
1852 inf->win0fb->screen_base = 0;
1854 memset(inf->win0fb->par, 0, sizeof(struct win0_par));
1856 /* Init all lcdc and lcd before register_framebuffer. */
1857 /* because after register_framebuffer, the win1fb_check_par and winfb_set_par execute immediately */
1858 fbprintk(">> Init all lcdc and lcd before register_framebuffer \n");
1859 init_lcdc(inf->win1fb);
1861 inf->clk = clk_get(&pdev->dev, "lcdc_hclk");
1862 if (!inf->clk || IS_ERR(inf->clk))
1864 printk(KERN_ERR "failed to get lcdc_hclk source\n");
1866 goto unregister_win1fb;
1869 inf->dclk = clk_get(&pdev->dev, "lcdc");
1870 if (!inf->dclk || IS_ERR(inf->dclk))
1872 printk(KERN_ERR "failed to get lcd dclock source\n");
1874 goto unregister_win1fb;
1876 inf->dclk_parent = clk_get(&pdev->dev, "arm_pll");
1877 if (!inf->dclk_parent || IS_ERR(inf->dclk_parent))
1879 printk(KERN_ERR "failed to get lcd dclock parent source\n");
1881 goto unregister_win1fb;
1883 inf->dclk_divider= clk_get(&pdev->dev, "lcdc_divider");
1884 if (!inf->dclk_divider || IS_ERR(inf->dclk_divider))
1886 printk(KERN_ERR "failed to get lcd clock lcdc_divider source \n");
1888 goto unregister_win1fb;
1891 inf->clk_share_mem = clk_get(&pdev->dev, "lcdc_share_memory");
1892 if (!inf->clk_share_mem || IS_ERR(inf->clk_share_mem))
1894 dev_err(&pdev->dev, "failed to get lcd clock clk_share_mem source \n");
1896 goto unregister_win1fb;
1898 #ifdef CONFIG_CPU_FREQ
1899 inf->freq_transition.notifier_call = rk29fb_freq_transition;
1900 cpufreq_register_notifier(&inf->freq_transition, CPUFREQ_TRANSITION_NOTIFIER);
1902 fbprintk("got clock\n");
1907 struct rk29_fb_setting_info fb_setting;
1908 if( OUT_P888==inf->lcd_info.face ||
1909 OUT_P888==inf->tv_info[0].face ||
1910 OUT_P888==inf->hdmi_info[0].face ) // set lcdc iomux
1912 fb_setting.data_num = 24;
1914 else if(OUT_P666 == inf->lcd_info.face )
1916 fb_setting.data_num = 18;
1920 fb_setting.data_num = 16;
1922 fb_setting.den_en = 1;
1923 fb_setting.vsync_en = 1;
1924 fb_setting.disp_on_en = 1;
1925 fb_setting.standby_en = 1;
1926 if( inf->lcd_info.mcu_usefmk )
1927 fb_setting.mcu_fmk_en =1;
1928 mach_info->io_init(&fb_setting);
1931 //set_lcd_pin(pdev, 1);
1934 inf->mcu_usetimer = 1;
1935 inf->mcu_fmksync = 0;
1936 load_screen(inf->win1fb, 1);
1938 /* Register framebuffer(win1fb & win0fb) */
1939 fbprintk(">> Register framebuffer(win1fb) \n");
1940 ret = register_framebuffer(inf->win1fb);
1943 printk(">> win1fb register_framebuffer fail!\n");
1945 goto release_win0fb;
1947 fbprintk(">> Register framebuffer(win0fb) \n");
1949 ret = register_framebuffer(inf->win0fb);
1952 printk(">> win0fb register_framebuffer fail!\n");
1954 goto unregister_win1fb;
1957 #ifdef CONFIG_HAS_EARLYSUSPEND
1958 suspend_info.inf = inf;
1959 register_early_suspend(&suspend_info.early_suspend);
1962 /* get and request irq */
1963 fbprintk(">> get and request irq \n");
1964 irq = platform_get_irq(pdev, 0);
1966 dev_err(&pdev->dev, "no irq for device\n");
1968 goto unregister_win1fb;
1970 ret = request_irq(irq, rk29fb_irq, IRQF_DISABLED, pdev->name, pdev);
1972 dev_err(&pdev->dev, "cannot get irq %d - err %d\n", irq, ret);
1977 if( inf->lcd_info.mcu_usefmk && (mach_info->mcu_fmk_pin != -1) )
1979 ret = request_irq(gpio_to_irq(mach_info->mcu_fmk_pin), mcu_irqfmk, GPIOEdgelFalling, pdev->name, pdev);
1982 dev_err(&pdev->dev, "cannot get fmk irq %d - err %d\n", irq, ret);
1988 printk(" %s ok\n", __FUNCTION__);
1993 free_irq(irq, pdev);
1995 unregister_framebuffer(inf->win1fb);
1998 framebuffer_release(inf->win0fb);
2001 if(&inf->win1fb->cmap)
2002 fb_dealloc_cmap(&inf->win1fb->cmap);
2005 framebuffer_release(inf->win1fb);
2008 if(inf && inf->reg_vir_base)
2009 iounmap(inf->reg_vir_base);
2011 release_mem_region(inf->reg_phy_base, inf->len);
2014 platform_set_drvdata(pdev, NULL);
2018 static int rk29fb_remove(struct platform_device *pdev)
2020 struct rk29fb_inf *inf = platform_get_drvdata(pdev);
2021 struct fb_info *info = NULL;
2023 struct rk29fb_info *mach_info = NULL;
2026 fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
2029 printk("inf==0, rk29_fb_remove fail! \n");
2033 irq = platform_get_irq(pdev, 0);
2036 free_irq(irq, pdev);
2039 mach_info = pdev->dev.platform_data;
2040 if(mach_info->mcu_fmk_pin)
2042 free_irq(gpio_to_irq(mach_info->mcu_fmk_pin), pdev);
2045 set_lcd_pin(pdev, 0);
2049 win0fb_blank(FB_BLANK_POWERDOWN, inf->win0fb);
2051 win1fb_blank(FB_BLANK_POWERDOWN, inf->win1fb);
2054 //rk29fb_suspend(pdev, msg);
2055 // unmap memory and release framebuffer
2058 if (info->screen_base) {
2059 //dma_free_writecombine(NULL, PAGE_ALIGN(info->fix.smem_len),info->screen_base, info->fix.smem_start);
2060 info->screen_base = 0;
2061 info->fix.smem_start = 0;
2062 info->fix.smem_len = 0;
2064 unregister_framebuffer(inf->win0fb);
2065 framebuffer_release(inf->win0fb);
2070 if (info->screen_base) {
2071 dma_free_writecombine(NULL, PAGE_ALIGN(info->fix.smem_len),info->screen_base, info->fix.smem_start);
2072 info->screen_base = 0;
2073 info->fix.smem_start = 0;
2074 info->fix.smem_len = 0;
2076 unregister_framebuffer(inf->win1fb);
2077 framebuffer_release(inf->win1fb);
2081 #ifdef CONFIG_CPU_FREQ
2082 cpufreq_unregister_notifier(&inf->freq_transition, CPUFREQ_TRANSITION_NOTIFIER);
2087 clk_disable(inf->clk);
2093 clk_disable(inf->dclk);
2099 platform_set_drvdata(pdev, NULL);
2104 static void rk29fb_shutdown(struct platform_device *pdev)
2106 struct rk29fb_inf *inf = platform_get_drvdata(pdev);
2108 //printk("----------------------------rk29fb_shutdown----------------------------\n");
2109 set_lcd_pin(pdev, 0);
2112 clk_disable(inf->dclk);
2116 clk_disable(inf->clk);
2120 static struct platform_driver rk29fb_driver = {
2121 .probe = rk29fb_probe,
2122 .remove = rk29fb_remove,
2125 .owner = THIS_MODULE,
2127 .shutdown = rk29fb_shutdown,
2130 static int __init rk29fb_init(void)
2132 return platform_driver_register(&rk29fb_driver);
2135 static void __exit rk29fb_exit(void)
2137 platform_driver_unregister(&rk29fb_driver);
2140 //subsys_initcall(rk29fb_init);
2142 module_init(rk29fb_init);
2143 module_exit(rk29fb_exit);
2146 MODULE_AUTHOR(" zyw@rock-chips.com");
2147 MODULE_DESCRIPTION("Driver for rk29 fb device");
2148 MODULE_LICENSE("GPL");