e661d27f136b6c81224d8fb75237534de09545c5
[firefly-linux-kernel-4.4.55.git] / drivers / video / rockchip / rk_fb.c
1 /*
2  * drivers/video/rockchip/rk_fb.c
3  *
4  * Copyright (C) ROCKCHIP, Inc.
5  * Author:yxj<yxj@rock-chips.com>
6  * This software is licensed under the terms of the GNU General Public
7  * License version 2, as published by the Free Software Foundation, and
8  * may be copied, distributed, and modified under those terms.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
20 #include <linux/mm.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
25 #include <linux/fb.h>
26 #include <linux/init.h>
27 #include <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
34
35 #include "bmp_helper.h"
36
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
39 #endif
40
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
42 #include "rga/rga.h"
43 #endif
44
45 #ifdef CONFIG_OF
46 #include <linux/of.h>
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
51 #include <dt-bindings/rkfb/rk_fb.h>
52 #endif
53
54 #if defined(CONFIG_ION_ROCKCHIP)
55 #include <linux/rockchip_ion.h>
56 #include <linux/rockchip-iovmm.h>
57 #include <linux/dma-buf.h>
58 #include <linux/highmem.h>
59 #endif
60
61 #define H_USE_FENCE 1
62 /* #define FB_ROATE_BY_KERNEL 1 */
63
64 static int hdmi_switch_state;
65 static struct platform_device *fb_pdev;
66
67 #if defined(CONFIG_FB_MIRRORING)
68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
69 EXPORT_SYMBOL(video_data_to_mirroring);
70 #endif
71
72 extern phys_addr_t uboot_logo_base;
73 extern phys_addr_t uboot_logo_size;
74 extern phys_addr_t uboot_logo_offset;
75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
76 static struct rk_fb_trsm_ops *trsm_edp_ops;
77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
78 static int uboot_logo_on;
79 int support_uboot_display(void)
80 {
81         return uboot_logo_on;
82 }
83
84 int rk_fb_get_display_policy(void)
85 {
86         struct rk_fb *rk_fb;
87
88         if (fb_pdev) {
89                 rk_fb = platform_get_drvdata(fb_pdev);
90                 return rk_fb->disp_policy;
91         } else {
92                 return DISPLAY_POLICY_SDK;
93         }
94 }
95
96 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
97 {
98         switch (type) {
99         case SCREEN_RGB:
100         case SCREEN_LVDS:
101         case SCREEN_DUAL_LVDS:
102         case SCREEN_LVDS_10BIT:
103         case SCREEN_DUAL_LVDS_10BIT:
104                 trsm_lvds_ops = ops;
105                 break;
106         case SCREEN_EDP:
107                 trsm_edp_ops = ops;
108                 break;
109         case SCREEN_MIPI:
110         case SCREEN_DUAL_MIPI:
111                 trsm_mipi_ops = ops;
112                 break;
113         default:
114                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
115                        __func__, type);
116                 break;
117         }
118         return 0;
119 }
120
121 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
122 {
123         struct rk_fb_trsm_ops *ops;
124         switch (type) {
125         case SCREEN_RGB:
126         case SCREEN_LVDS:
127         case SCREEN_DUAL_LVDS:
128         case SCREEN_LVDS_10BIT:
129         case SCREEN_DUAL_LVDS_10BIT:
130                 ops = trsm_lvds_ops;
131                 break;
132         case SCREEN_EDP:
133                 ops = trsm_edp_ops;
134                 break;
135         case SCREEN_MIPI:
136         case SCREEN_DUAL_MIPI:
137                 ops = trsm_mipi_ops;
138                 break;
139         default:
140                 ops = NULL;
141                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
142                        __func__, type);
143                 break;
144         }
145         return ops;
146 }
147
148 int rk_fb_pixel_width(int data_format)
149 {
150         int pixel_width;
151         switch (data_format) {
152         case XBGR888:
153         case ABGR888:
154         case ARGB888:
155         case FBDC_ARGB_888:
156         case FBDC_ABGR_888:
157         case FBDC_RGBX_888:
158                 pixel_width = 4 * 8;
159                 break;
160         case RGB888:
161                 pixel_width = 3 * 8;
162                 break;
163         case RGB565:
164         case FBDC_RGB_565:
165                 pixel_width = 2 * 8;
166                 break;
167         case YUV422:
168         case YUV420:
169         case YUV420_NV21:
170         case YUV444:
171                 pixel_width = 1 * 8;
172                 break;
173         case YUV422_A:
174         case YUV420_A:
175         case YUV444_A:
176                 pixel_width = 8;
177                 break;
178         default:
179                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
180                        __func__, data_format);
181                 return -EINVAL;
182         }
183         return pixel_width;
184 }
185
186 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
187 {
188         int fb_data_fmt;
189         if (data_format) {
190                 switch (data_format) {
191                 case HAL_PIXEL_FORMAT_RGBX_8888:
192                         fb_data_fmt = XBGR888;
193                         break;
194                 case HAL_PIXEL_FORMAT_RGBA_8888:
195                         fb_data_fmt = ABGR888;
196                         break;
197                 case HAL_PIXEL_FORMAT_BGRA_8888:
198                         fb_data_fmt = ARGB888;
199                         break;
200                 case HAL_PIXEL_FORMAT_RGB_888:
201                         fb_data_fmt = RGB888;
202                         break;
203                 case HAL_PIXEL_FORMAT_RGB_565:
204                         fb_data_fmt = RGB565;
205                         break;
206                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
207                         fb_data_fmt = YUV422;
208                         break;
209                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
210                         fb_data_fmt = YUV420_NV21;
211                         break;
212                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
213                         fb_data_fmt = YUV420;
214                         break;
215                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
216                         fb_data_fmt = YUV444;
217                         break;
218                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
219                         fb_data_fmt = YUV420_A;
220                         break;
221                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
222                         fb_data_fmt = YUV422_A;
223                         break;
224                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
225                         fb_data_fmt = YUV444_A;
226                         break;
227                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
228                         fb_data_fmt = FBDC_RGB_565;
229                         break;
230                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
231                         fb_data_fmt = FBDC_ARGB_888;
232                         break;
233                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
234                         fb_data_fmt = FBDC_ABGR_888;
235                         break;
236                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
237                         fb_data_fmt = FBDC_RGBX_888;
238                         break;
239                 default:
240                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
241                                __func__, data_format);
242                         return -EINVAL;
243                 }
244         } else {
245                 switch (bits_per_pixel) {
246                 case 32:
247                         fb_data_fmt = ARGB888;
248                         break;
249                 case 24:
250                         fb_data_fmt = RGB888;
251                         break;
252                 case 16:
253                         fb_data_fmt = RGB565;
254                         break;
255                 default:
256                         printk(KERN_WARNING
257                                "%s:un supported bits_per_pixel:%d\n", __func__,
258                                bits_per_pixel);
259                         break;
260                 }
261         }
262         return fb_data_fmt;
263 }
264
265 /*
266  * rk display power control parse from dts
267  */
268 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
269 {
270         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
271                                                         "power_ctr");
272         struct device_node *child;
273         struct rk_disp_pwr_ctr_list *pwr_ctr;
274         struct list_head *pos;
275         enum of_gpio_flags flags;
276         u32 val = 0;
277         u32 debug = 0;
278         int ret;
279
280         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
281         if (!root) {
282                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
283                         dev_drv->id);
284                 return -ENODEV;
285         }
286
287         for_each_child_of_node(root, child) {
288                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
289                                   GFP_KERNEL);
290                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
291                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
292                         if (val == GPIO) {
293                                 pwr_ctr->pwr_ctr.type = GPIO;
294                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
295                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
296                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
297                                                 child->name);
298                                         return -EINVAL;
299                                 }
300                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
301                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
302                                                    child->name);
303                                 if (ret) {
304                                         dev_err(dev_drv->dev,
305                                                 "request %s gpio fail:%d\n",
306                                                 child->name, ret);
307                                 }
308
309                         } else {
310                                 pwr_ctr->pwr_ctr.type = REGULATOR;
311                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
312                                 ret = of_property_read_string(child, "rockchip,regulator_name",
313                                                              &(pwr_ctr->pwr_ctr.rgl_name));
314                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
315                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
316                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
317                                         pwr_ctr->pwr_ctr.volt = val;
318                                 else
319                                         pwr_ctr->pwr_ctr.volt = 0;
320                         }
321                 };
322
323                 if (!of_property_read_u32(child, "rockchip,delay", &val))
324                         pwr_ctr->pwr_ctr.delay = val;
325                 else
326                         pwr_ctr->pwr_ctr.delay = 0;
327                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
328         }
329
330         of_property_read_u32(root, "rockchip,debug", &debug);
331
332         if (debug) {
333                 list_for_each(pos, &dev_drv->pwrlist_head) {
334                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
335                                              list);
336                         printk(KERN_INFO "pwr_ctr_name:%s\n"
337                                "pwr_type:%s\n"
338                                "gpio:%d\n"
339                                "atv_val:%d\n"
340                                "delay:%d\n\n",
341                                pwr_ctr->pwr_ctr.name,
342                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
343                                pwr_ctr->pwr_ctr.gpio,
344                                pwr_ctr->pwr_ctr.atv_val,
345                                pwr_ctr->pwr_ctr.delay);
346                 }
347         }
348
349         return 0;
350
351 }
352
353 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
354 {
355         struct list_head *pos;
356         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
357         struct pwr_ctr *pwr_ctr;
358         struct regulator *regulator_lcd = NULL;
359         int count = 10;
360
361         if (list_empty(&dev_drv->pwrlist_head))
362                 return 0;
363         list_for_each(pos, &dev_drv->pwrlist_head) {
364                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
365                                           list);
366                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
367                 if (pwr_ctr->type == GPIO) {
368                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
369                         mdelay(pwr_ctr->delay);
370                 } else if (pwr_ctr->type == REGULATOR) {
371                         if (pwr_ctr->rgl_name)
372                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
373                         if (regulator_lcd == NULL) {
374                                 dev_err(dev_drv->dev,
375                                         "%s: regulator get failed,regulator name:%s\n",
376                                         __func__, pwr_ctr->rgl_name);
377                                 continue;
378                         }
379                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
380                         while (!regulator_is_enabled(regulator_lcd)) {
381                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
382                                         break;
383                                 else
384                                         dev_err(dev_drv->dev,
385                                                 "regulator_enable failed,count=%d\n",
386                                                 count);
387                                 count--;
388                         }
389                         regulator_put(regulator_lcd);
390                         msleep(pwr_ctr->delay);
391                 }
392         }
393
394         return 0;
395 }
396
397 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
398 {
399         struct list_head *pos;
400         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
401         struct pwr_ctr *pwr_ctr;
402         struct regulator *regulator_lcd = NULL;
403         int count = 10;
404
405         if (list_empty(&dev_drv->pwrlist_head))
406                 return 0;
407         list_for_each(pos, &dev_drv->pwrlist_head) {
408                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
409                                           list);
410                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
411                 if (pwr_ctr->type == GPIO) {
412                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
413                 } else if (pwr_ctr->type == REGULATOR) {
414                         if (pwr_ctr->rgl_name)
415                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
416                         if (regulator_lcd == NULL) {
417                                 dev_err(dev_drv->dev,
418                                         "%s: regulator get failed,regulator name:%s\n",
419                                         __func__, pwr_ctr->rgl_name);
420                                 continue;
421                         }
422                         while (regulator_is_enabled(regulator_lcd) > 0) {
423                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
424                                         break;
425                                 else
426                                         dev_err(dev_drv->dev,
427                                                 "regulator_disable failed,count=%d\n",
428                                                 count);
429                                 count--;
430                         }
431                         regulator_put(regulator_lcd);
432                 }
433         }
434         return 0;
435 }
436
437 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
438                                  struct rk_screen *screen)
439 {
440         screen->mode.pixclock = dt->pixelclock.typ;
441         screen->mode.left_margin = dt->hback_porch.typ;
442         screen->mode.right_margin = dt->hfront_porch.typ;
443         screen->mode.xres = dt->hactive.typ;
444         screen->mode.hsync_len = dt->hsync_len.typ;
445         screen->mode.upper_margin = dt->vback_porch.typ;
446         screen->mode.lower_margin = dt->vfront_porch.typ;
447         screen->mode.yres = dt->vactive.typ;
448         screen->mode.vsync_len = dt->vsync_len.typ;
449         screen->type = dt->screen_type;
450         screen->lvds_format = dt->lvds_format;
451         screen->face = dt->face;
452         screen->color_mode = dt->color_mode;
453         screen->dsp_lut = dt->dsp_lut;
454         screen->cabc_lut = dt->cabc_lut;
455         screen->cabc_gamma_base = dt->cabc_gamma_base;
456
457         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
458                 screen->pin_dclk = 1;
459         else
460                 screen->pin_dclk = 0;
461         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
462                 screen->pin_hsync = 1;
463         else
464                 screen->pin_hsync = 0;
465         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
466                 screen->pin_vsync = 1;
467         else
468                 screen->pin_vsync = 0;
469         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
470                 screen->pin_den = 1;
471         else
472                 screen->pin_den = 0;
473
474         return 0;
475
476 }
477
478 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
479 {
480         struct display_timings *disp_timing;
481         struct display_timing *dt;
482         disp_timing = of_get_display_timings(np);
483         if (!disp_timing) {
484                 pr_err("parse display timing err\n");
485                 return -EINVAL;
486         }
487         dt = display_timings_get(disp_timing, disp_timing->native_mode);
488         rk_fb_video_mode_from_timing(dt, screen);
489         return 0;
490
491 }
492
493 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
494 {
495         int x, y;
496         unsigned long long hz;
497         if (!screen) {
498                 printk(KERN_ERR "%s:null screen!\n", __func__);
499                 return 0;
500         }
501         x = screen->mode.xres + screen->mode.left_margin +
502             screen->mode.right_margin + screen->mode.hsync_len;
503         y = screen->mode.yres + screen->mode.upper_margin +
504             screen->mode.lower_margin + screen->mode.vsync_len;
505
506         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
507
508         hz += (x * y) / 2;
509         do_div(hz, x * y);      /* divide by x * y with rounding */
510
511         hz += pixclock / 2;
512         do_div(hz, pixclock);   /* divide by pixclock with rounding */
513
514         return hz;
515 }
516
517 char *get_format_string(enum data_format format, char *fmt)
518 {
519         if (!fmt)
520                 return NULL;
521         switch (format) {
522         case ARGB888:
523                 strcpy(fmt, "ARGB888");
524                 break;
525         case RGB888:
526                 strcpy(fmt, "RGB888");
527                 break;
528         case RGB565:
529                 strcpy(fmt, "RGB565");
530                 break;
531         case YUV420:
532         case YUV420_NV21:
533                 strcpy(fmt, "YUV420");
534                 break;
535         case YUV422:
536                 strcpy(fmt, "YUV422");
537                 break;
538         case YUV444:
539                 strcpy(fmt, "YUV444");
540                 break;
541         case YUV420_A:
542                 strcpy(fmt, "YUV420_A");
543                 break;
544         case YUV422_A:
545                 strcpy(fmt, "YUV422_A");
546                 break;
547         case YUV444_A:
548                 strcpy(fmt, "YUV444_A");
549                 break;
550         case XRGB888:
551                 strcpy(fmt, "XRGB888");
552                 break;
553         case XBGR888:
554                 strcpy(fmt, "XBGR888");
555                 break;
556         case ABGR888:
557                 strcpy(fmt, "ABGR888");
558                 break;
559         case FBDC_RGB_565:
560                 strcpy(fmt, "FBDC_RGB_565");
561                 break;
562         case FBDC_ARGB_888:
563         case FBDC_ABGR_888:
564                 strcpy(fmt, "FBDC_ARGB_888");
565                 break;
566         case FBDC_RGBX_888:
567                 strcpy(fmt, "FBDC_RGBX_888");
568                 break;
569         default:
570                 strcpy(fmt, "invalid");
571                 break;
572         }
573
574         return fmt;
575
576 }
577
578 /*
579  * this is for hdmi
580  * name: lcdc device name ,lcdc0 , lcdc1
581  */
582 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
583 {
584         struct rk_fb *inf = NULL;
585         struct rk_lcdc_driver *dev_drv = NULL;
586         int i = 0;
587
588         if (likely(fb_pdev))
589                 inf = platform_get_drvdata(fb_pdev);
590         else
591                 return NULL;
592
593         for (i = 0; i < inf->num_lcdc; i++) {
594                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
595                         dev_drv = inf->lcdc_dev_drv[i];
596                         break;
597                 }
598         }
599
600         return dev_drv;
601 }
602
603 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
604 {
605         struct rk_fb *inf = NULL;
606         struct rk_lcdc_driver *dev_drv = NULL;
607         int i = 0;
608
609         if (likely(fb_pdev))
610                 inf = platform_get_drvdata(fb_pdev);
611         else
612                 return NULL;
613
614         for (i = 0; i < inf->num_lcdc; i++) {
615                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
616                         dev_drv = inf->lcdc_dev_drv[i];
617                         break;
618                 }
619         }
620
621         return dev_drv;
622 }
623
624 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
625 {
626         struct rk_fb *inf = NULL;
627         struct rk_lcdc_driver *dev_drv = NULL;
628         int i = 0;
629
630         if (likely(fb_pdev))
631                 inf = platform_get_drvdata(fb_pdev);
632         else
633                 return NULL;
634
635         for (i = 0; i < inf->num_lcdc; i++) {
636                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
637                         dev_drv = inf->lcdc_dev_drv[i];
638                         break;
639                 }
640         }
641
642         return dev_drv;
643 }
644
645 /*
646  * get one frame time of the prmry screen, unit: us
647  */
648 u32 rk_fb_get_prmry_screen_ft(void)
649 {
650         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
651         uint32_t htotal, vtotal, pixclock_ps;
652         u64 pix_total, ft_us;
653
654         if (unlikely(!dev_drv))
655                 return 0;
656
657         pixclock_ps = dev_drv->pixclock;
658
659         vtotal = (dev_drv->cur_screen->mode.upper_margin +
660                  dev_drv->cur_screen->mode.lower_margin +
661                  dev_drv->cur_screen->mode.yres +
662                  dev_drv->cur_screen->mode.vsync_len);
663         htotal = (dev_drv->cur_screen->mode.left_margin +
664                  dev_drv->cur_screen->mode.right_margin +
665                  dev_drv->cur_screen->mode.xres +
666                  dev_drv->cur_screen->mode.hsync_len);
667         pix_total = htotal * vtotal;
668         ft_us = pix_total * pixclock_ps;
669         do_div(ft_us, 1000000);
670         if (dev_drv->frame_time.ft == 0)
671                 dev_drv->frame_time.ft = ft_us;
672
673         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
674         do_div(ft_us, 1000);
675         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
676         if (ft_us != 0)
677                 dev_drv->frame_time.ft = ft_us;
678
679         return dev_drv->frame_time.ft;
680 }
681
682 /*
683  * get the vblanking time of the prmry screen, unit: us
684  */
685 u32 rk_fb_get_prmry_screen_vbt(void)
686 {
687         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
688         uint32_t htotal, vblank, pixclock_ps;
689         u64 pix_blank, vbt_us;
690
691         if (unlikely(!dev_drv))
692                 return 0;
693
694         pixclock_ps = dev_drv->pixclock;
695
696         htotal = (dev_drv->cur_screen->mode.left_margin +
697                  dev_drv->cur_screen->mode.right_margin +
698                  dev_drv->cur_screen->mode.xres +
699                  dev_drv->cur_screen->mode.hsync_len);
700         vblank = (dev_drv->cur_screen->mode.upper_margin +
701                  dev_drv->cur_screen->mode.lower_margin +
702                  dev_drv->cur_screen->mode.vsync_len);
703         pix_blank = htotal * vblank;
704         vbt_us = pix_blank * pixclock_ps;
705         do_div(vbt_us, 1000000);
706         return (u32)vbt_us;
707 }
708
709 /*
710  * get the frame done time of the prmry screen, unit: us
711  */
712 u64 rk_fb_get_prmry_screen_framedone_t(void)
713 {
714         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
715
716         if (unlikely(!dev_drv))
717                 return 0;
718         else
719                 return dev_drv->frame_time.framedone_t;
720 }
721
722 /*
723  * set prmry screen status
724  */
725 int rk_fb_set_prmry_screen_status(int status)
726 {
727         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
728         struct rk_screen *screen;
729
730         if (unlikely(!dev_drv))
731                 return 0;
732
733         screen = dev_drv->cur_screen;
734         switch (status) {
735         case SCREEN_PREPARE_DDR_CHANGE:
736                 if (screen->type == SCREEN_MIPI
737                         || screen->type == SCREEN_DUAL_MIPI) {
738                         if (dev_drv->trsm_ops->dsp_pwr_off)
739                                 dev_drv->trsm_ops->dsp_pwr_off();
740                 }
741                 break;
742         case SCREEN_UNPREPARE_DDR_CHANGE:
743                 if (screen->type == SCREEN_MIPI
744                         || screen->type == SCREEN_DUAL_MIPI) {
745                         if (dev_drv->trsm_ops->dsp_pwr_on)
746                                 dev_drv->trsm_ops->dsp_pwr_on();
747                 }
748                 break;
749         default:
750                 break;
751         }
752
753         return 0;
754 }
755
756 u32 rk_fb_get_prmry_screen_pixclock(void)
757 {
758         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
759
760         if (unlikely(!dev_drv))
761                 return 0;
762         else
763                 return dev_drv->pixclock;
764 }
765
766 int rk_fb_poll_prmry_screen_vblank(void)
767 {
768         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
769
770         if (likely(dev_drv)) {
771                 if (dev_drv->ops->poll_vblank)
772                         return dev_drv->ops->poll_vblank(dev_drv);
773                 else
774                         return RK_LF_STATUS_NC;
775         } else {
776                 return RK_LF_STATUS_NC;
777         }
778 }
779
780 bool rk_fb_poll_wait_frame_complete(void)
781 {
782         uint32_t timeout = RK_LF_MAX_TIMEOUT;
783         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
784
785         if (likely(dev_drv)) {
786                 if (dev_drv->ops->set_irq_to_cpu)
787                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
788         }
789
790         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
791                 if (likely(dev_drv)) {
792                         if (dev_drv->ops->set_irq_to_cpu)
793                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
794                 }
795                 return false;
796         }
797         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
798                 ;
799         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
800                 ;
801         if (likely(dev_drv)) {
802                 if (dev_drv->ops->set_irq_to_cpu)
803                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
804         }
805
806         return true;
807 }
808
809
810 /* rk_fb_get_sysmmu_device_by_compatible()
811  * @compt: dts device compatible name
812  * return value: success: pointer to the device inside of platform device
813  *               fail: NULL
814  */
815 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
816 {
817         struct device_node *dn = NULL;
818         struct platform_device *pd = NULL;
819         struct device *ret = NULL ;
820
821         dn = of_find_compatible_node(NULL, NULL, compt);
822         if (!dn) {
823                 printk("can't find device node %s \r\n", compt);
824                 return NULL;
825         }
826
827         pd = of_find_device_by_node(dn);
828         if (!pd) {
829                 printk("can't find platform device in device node %s \r\n", compt);
830                 return  NULL;
831         }
832         ret = &pd->dev;
833
834         return ret;
835 }
836
837 #ifdef CONFIG_IOMMU_API
838 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
839 {
840         dev->archdata.iommu = sysmmu;
841 }
842 #else
843 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
844 {
845
846 }
847 #endif
848
849 static int rk_fb_open(struct fb_info *info, int user)
850 {
851         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
852         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
853         int win_id;
854
855         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
856         fb_par->state++;
857         /* if this win aready opened ,no need to reopen */
858         if (dev_drv->win[win_id]->state)
859                 return 0;
860         else
861                 dev_drv->ops->open(dev_drv, win_id, 1);
862         return 0;
863 }
864
865 static int rk_fb_close(struct fb_info *info, int user)
866 {
867         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
868         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
869         struct rk_lcdc_win *win = NULL;
870         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
871
872         if (win_id >= 0) {
873                 win = dev_drv->win[win_id];
874                 if (fb_par->state)
875                         fb_par->state--;
876                 if (!fb_par->state) {
877                         if (fb_par->fb_phy_base > 0)
878                                 info->fix.smem_start = fb_par->fb_phy_base;
879                         info->var.xres = dev_drv->screen0->mode.xres;
880                         info->var.yres = dev_drv->screen0->mode.yres;
881                         /*
882                         info->var.grayscale |=
883                             (info->var.xres << 8) + (info->var.yres << 20);
884                         */
885                         info->var.xres_virtual = info->var.xres;
886                         info->var.yres_virtual = info->var.yres;
887 #if defined(CONFIG_LOGO_LINUX_BMP)
888                         info->var.bits_per_pixel = 32;
889 #else
890                         info->var.bits_per_pixel = 16;
891 #endif
892                         info->fix.line_length =
893                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
894                         info->var.width = dev_drv->screen0->width;
895                         info->var.height = dev_drv->screen0->height;
896                         info->var.pixclock = dev_drv->pixclock;
897                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
898                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
899                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
900                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
901                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
902                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
903                 }
904         }
905
906         return 0;
907 }
908
909 #if defined(FB_ROATE_BY_KERNEL)
910
911 #if defined(CONFIG_RK29_IPP)
912 static int get_ipp_format(int fmt)
913 {
914         int ipp_fmt = IPP_XRGB_8888;
915         switch (fmt) {
916         case HAL_PIXEL_FORMAT_RGBX_8888:
917         case HAL_PIXEL_FORMAT_RGBA_8888:
918         case HAL_PIXEL_FORMAT_BGRA_8888:
919         case HAL_PIXEL_FORMAT_RGB_888:
920                 ipp_fmt = IPP_XRGB_8888;
921                 break;
922         case HAL_PIXEL_FORMAT_RGB_565:
923                 ipp_fmt = IPP_RGB_565;
924                 break;
925         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
926                 ipp_fmt = IPP_Y_CBCR_H2V1;
927                 break;
928         case HAL_PIXEL_FORMAT_YCrCb_NV12:
929                 ipp_fmt = IPP_Y_CBCR_H2V2;
930                 break;
931         case HAL_PIXEL_FORMAT_YCrCb_444:
932                 ipp_fmt = IPP_Y_CBCR_H1V1;
933                 break;
934         default:
935                 ipp_fmt = IPP_IMGTYPE_LIMIT;
936                 break;
937         }
938
939         return ipp_fmt;
940 }
941
942 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
943                           int rotation, int fmt)
944 {
945         int align16 = 2;
946         int align64 = 8;
947
948         if (fmt == IPP_XRGB_8888) {
949                 align16 = 1;
950                 align64 = 2;
951         } else if (fmt == IPP_RGB_565) {
952                 align16 = 1;
953                 align64 = 4;
954         } else {
955                 align16 = 2;
956                 align64 = 8;
957         }
958         align16 -= 1;           /*for YUV, 1 */
959         align64 -= 1;           /*for YUV, 7 */
960
961         if (rotation == IPP_ROT_0) {
962                 if (fmt > IPP_RGB_565) {
963                         if ((*dst_w & 1) != 0)
964                                 *dst_w = *dst_w + 1;
965                         if ((*dst_h & 1) != 0)
966                                 *dst_h = *dst_h + 1;
967                         if (*dst_vir_w < *dst_w)
968                                 *dst_vir_w = *dst_w;
969                 }
970         } else {
971                 if ((*dst_w & align64) != 0)
972                         *dst_w = (*dst_w + align64) & (~align64);
973                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
974                         *dst_h = *dst_h + 1;
975                 if (*dst_vir_w < *dst_w)
976                         *dst_vir_w = *dst_w;
977         }
978 }
979
980 static void fb_copy_by_ipp(struct fb_info *dst_info,
981                                 struct fb_info *src_info)
982 {
983         struct rk29_ipp_req ipp_req;
984         uint32_t rotation = 0;
985         int dst_w, dst_h, dst_vir_w;
986         int ipp_fmt;
987         u8 data_format = (dst_info->var.nonstd) & 0xff;
988         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
989         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
990         u16 orientation = ext_dev_drv->rotate_mode;
991
992         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
993
994         switch (orientation) {
995         case 0:
996                 rotation = IPP_ROT_0;
997                 break;
998         case ROTATE_90:
999                 rotation = IPP_ROT_90;
1000                 break;
1001         case ROTATE_180:
1002                 rotation = IPP_ROT_180;
1003                 break;
1004         case ROTATE_270:
1005                 rotation = IPP_ROT_270;
1006                 break;
1007         default:
1008                 rotation = IPP_ROT_270;
1009                 break;
1010         }
1011
1012         dst_w = dst_info->var.xres;
1013         dst_h = dst_info->var.yres;
1014         dst_vir_w = dst_info->var.xres_virtual;
1015         ipp_fmt = get_ipp_format(data_format);
1016         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1017         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1018         ipp_req.src0.w = src_info->var.xres;
1019         ipp_req.src0.h = src_info->var.yres;
1020         ipp_req.src_vir_w = src_info->var.xres_virtual;
1021         ipp_req.src0.fmt = ipp_fmt;
1022
1023         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1024         ipp_req.dst0.w = dst_w;
1025         ipp_req.dst0.h = dst_h;
1026         ipp_req.dst_vir_w = dst_vir_w;
1027         ipp_req.dst0.fmt = ipp_fmt;
1028
1029         ipp_req.timeout = 100;
1030         ipp_req.flag = rotation;
1031         ipp_blit_sync(&ipp_req);
1032 }
1033
1034 #endif
1035
1036 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1037 static int get_rga_format(int fmt)
1038 {
1039         int rga_fmt = 0;
1040
1041         switch (fmt) {
1042         case XBGR888:
1043                 rga_fmt = RK_FORMAT_RGBX_8888;
1044                 break;
1045         case ABGR888:
1046                 rga_fmt = RK_FORMAT_RGBA_8888;
1047                 break;
1048         case ARGB888:
1049                 rga_fmt = RK_FORMAT_BGRA_8888;
1050                 break;
1051         case RGB888:
1052                 rga_fmt = RK_FORMAT_RGB_888;
1053                 break;
1054         case RGB565:
1055                 rga_fmt = RK_FORMAT_RGB_565;
1056                 break;
1057         case YUV422:
1058                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1059                 break;
1060         case YUV420:
1061                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1062                 break;
1063         default:
1064                 rga_fmt = RK_FORMAT_RGBA_8888;
1065                 break;
1066         }
1067
1068         return rga_fmt;
1069 }
1070
1071 static void rga_win_check(struct rk_lcdc_win *dst_win,
1072                           struct rk_lcdc_win *src_win)
1073 {
1074         int format = 0;
1075
1076         format = get_rga_format(src_win->area[0].format);
1077         /* width and height must be even number */
1078         if (format >= RK_FORMAT_YCbCr_422_SP &&
1079             format <= RK_FORMAT_YCrCb_420_P) {
1080                 if ((src_win->area[0].xact % 2) != 0)
1081                         src_win->area[0].xact += 1;
1082                 if ((src_win->area[0].yact % 2) != 0)
1083                         src_win->area[0].yact += 1;
1084         }
1085         if (src_win->area[0].xvir < src_win->area[0].xact)
1086                 src_win->area[0].xvir = src_win->area[0].xact;
1087         if (src_win->area[0].yvir < src_win->area[0].yact)
1088                 src_win->area[0].yvir = src_win->area[0].yact;
1089
1090         format = get_rga_format(dst_win->area[0].format);
1091         if (format >= RK_FORMAT_YCbCr_422_SP &&
1092             format <= RK_FORMAT_YCrCb_420_P) {
1093                 if ((dst_win->area[0].xact % 2) != 0)
1094                         dst_win->area[0].xact += 1;
1095                 if ((dst_win->area[0].yact % 2) != 0)
1096                         dst_win->area[0].yact += 1;
1097         }
1098         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1099                 dst_win->area[0].xvir = dst_win->area[0].xact;
1100         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1101                 dst_win->area[0].yvir = dst_win->area[0].yact;
1102 }
1103
1104 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1105                             struct rk_lcdc_win *src_win,
1106                             u16 orientation, int iommu_en)
1107 {
1108         struct rga_req Rga_Request;
1109         long ret = 0;
1110         /* int fd = 0; */
1111
1112         memset(&Rga_Request, 0, sizeof(Rga_Request));
1113         rga_win_check(dst_win, src_win);
1114
1115         switch (orientation) {
1116         case ROTATE_90:
1117                 Rga_Request.rotate_mode = 1;
1118                 Rga_Request.sina = 65536;
1119                 Rga_Request.cosa = 0;
1120                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1121                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1122                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1123                 Rga_Request.dst.y_offset = 0;
1124                 break;
1125         case ROTATE_180:
1126                 Rga_Request.rotate_mode = 1;
1127                 Rga_Request.sina = 0;
1128                 Rga_Request.cosa = -65536;
1129                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1130                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1131                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1132                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1133                 break;
1134         case ROTATE_270:
1135                 Rga_Request.rotate_mode = 1;
1136                 Rga_Request.sina = -65536;
1137                 Rga_Request.cosa = 0;
1138                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1139                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1140                 Rga_Request.dst.x_offset = 0;
1141                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1142                 break;
1143         default:
1144                 Rga_Request.rotate_mode = 0;
1145                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1146                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1147                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1148                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1149                 break;
1150         }
1151
1152 /*
1153         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1154         Rga_Request.src.yrgb_addr = fd;
1155         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1156         Rga_Request.dst.yrgb_addr = fd;
1157 */
1158         Rga_Request.src.yrgb_addr = 0;
1159         Rga_Request.src.uv_addr =
1160             src_win->area[0].smem_start + src_win->area[0].y_offset;
1161         Rga_Request.src.v_addr = 0;
1162
1163         Rga_Request.dst.yrgb_addr = 0;
1164         Rga_Request.dst.uv_addr =
1165             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1166         Rga_Request.dst.v_addr = 0;
1167
1168         Rga_Request.src.vir_w = src_win->area[0].xvir;
1169         Rga_Request.src.vir_h = src_win->area[0].yvir;
1170         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1171         Rga_Request.src.act_w = src_win->area[0].xact;
1172         Rga_Request.src.act_h = src_win->area[0].yact;
1173         Rga_Request.src.x_offset = 0;
1174         Rga_Request.src.y_offset = 0;
1175
1176         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1177         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1178         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1179
1180         Rga_Request.clip.xmin = 0;
1181         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1182         Rga_Request.clip.ymin = 0;
1183         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1184         Rga_Request.scale_mode = 0;
1185 #if defined(CONFIG_ROCKCHIP_IOMMU)
1186         if (iommu_en) {
1187                 Rga_Request.mmu_info.mmu_en = 1;
1188                 Rga_Request.mmu_info.mmu_flag = 1;
1189         } else {
1190                 Rga_Request.mmu_info.mmu_en = 0;
1191                 Rga_Request.mmu_info.mmu_flag = 0;
1192         }
1193 #else
1194         Rga_Request.mmu_info.mmu_en = 0;
1195         Rga_Request.mmu_info.mmu_flag = 0;
1196 #endif
1197
1198         ret = rga_ioctl_kernel(&Rga_Request);
1199 }
1200
1201 /*
1202  * This function is used for copying fb by RGA Module
1203  * RGA only support copy RGB to RGB
1204  * RGA2 support copy RGB to RGB and YUV to YUV
1205  */
1206 static void fb_copy_by_rga(struct fb_info *dst_info,
1207                                 struct fb_info *src_info)
1208 {
1209         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1210         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1211         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1212         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1213         int win_id = 0, ext_win_id;
1214         struct rk_lcdc_win *src_win, *dst_win;
1215
1216         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1217         src_win = dev_drv->win[win_id];
1218
1219         ext_win_id =
1220             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1221         dst_win = ext_dev_drv->win[ext_win_id];
1222
1223         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1224                         ext_dev_drv->iommu_enabled);
1225 }
1226 #endif
1227
1228 static int rk_fb_rotate(struct fb_info *dst_info,
1229                           struct fb_info *src_info)
1230 {
1231
1232 #if defined(CONFIG_RK29_IPP)
1233         fb_copy_by_ipp(dst_info, src_info);
1234 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1235         fb_copy_by_rga(dst_info, src_info);
1236 #else
1237         return -1;
1238 #endif
1239         return 0;
1240 }
1241
1242 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1243                                             struct rk_lcdc_win *src_win,
1244                                             u16 rotate, int iommu_en)
1245 {
1246 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1247         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1248 #else
1249         return -1;
1250 #endif
1251         return 0;
1252 }
1253
1254 #endif
1255
1256 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1257                              struct fb_info *info)
1258 {
1259         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1260         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1261         struct fb_fix_screeninfo *fix = &info->fix;
1262         int win_id = 0;
1263         struct rk_lcdc_win *win = NULL;
1264         struct rk_screen *screen = dev_drv->cur_screen;
1265         u32 xoffset = var->xoffset;
1266         u32 yoffset = var->yoffset;
1267         u32 xvir = var->xres_virtual;
1268         u8 pixel_width;
1269         u32 vir_width_bit;
1270         u32 stride, uv_stride;
1271         u32 stride_32bit_1;
1272         u32 stride_32bit_2;
1273         u16 uv_x_off, uv_y_off, uv_y_act;
1274         u8 is_pic_yuv = 0;
1275
1276         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1277         if (win_id < 0)
1278                 return -ENODEV;
1279         else
1280                 win = dev_drv->win[win_id];
1281
1282         pixel_width = rk_fb_pixel_width(win->area[0].format);
1283         vir_width_bit = pixel_width * xvir;
1284         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1285         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1286
1287         switch (win->area[0].format) {
1288         case YUV422:
1289         case YUV422_A:
1290                 is_pic_yuv = 1;
1291                 stride = stride_32bit_1;
1292                 uv_stride = stride_32bit_1 >> 1;
1293                 uv_x_off = xoffset >> 1;
1294                 uv_y_off = yoffset;
1295                 fix->line_length = stride;
1296                 uv_y_act = win->area[0].yact >> 1;
1297                 break;
1298         case YUV420:            /* nv12 */
1299         case YUV420_NV21:       /* nv21 */
1300         case YUV420_A:
1301                 is_pic_yuv = 1;
1302                 stride = stride_32bit_1;
1303                 uv_stride = stride_32bit_1;
1304                 uv_x_off = xoffset;
1305                 uv_y_off = yoffset >> 1;
1306                 fix->line_length = stride;
1307                 uv_y_act = win->area[0].yact >> 1;
1308                 break;
1309         case YUV444:
1310         case YUV444_A:
1311                 is_pic_yuv = 1;
1312                 stride = stride_32bit_1;
1313                 uv_stride = stride_32bit_2;
1314                 uv_x_off = xoffset * 2;
1315                 uv_y_off = yoffset;
1316                 fix->line_length = stride << 2;
1317                 uv_y_act = win->area[0].yact;
1318                 break;
1319         default:
1320                 stride = stride_32bit_1;        /* default rgb */
1321                 fix->line_length = stride;
1322                 break;
1323         }
1324
1325         /* x y mirror ,jump line */
1326         if ((screen->y_mirror == 1) ||
1327             (win->mirror_en == 1)) {
1328                 if (screen->interlace == 1) {
1329                         win->area[0].y_offset = yoffset * stride * 2 +
1330                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1331                             xoffset * pixel_width / 8;
1332                 } else {
1333                         win->area[0].y_offset = yoffset * stride +
1334                             (win->area[0].yact - 1) * stride +
1335                             xoffset * pixel_width / 8;
1336                 }
1337         } else {
1338                 if (screen->interlace == 1) {
1339                         win->area[0].y_offset =
1340                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1341                 } else {
1342                         win->area[0].y_offset =
1343                             yoffset * stride + xoffset * pixel_width / 8;
1344                 }
1345         }
1346         if (is_pic_yuv == 1) {
1347                 if ((screen->y_mirror == 1) ||
1348                     (win->mirror_en == 1)) {
1349                         if (screen->interlace == 1) {
1350                                 win->area[0].c_offset =
1351                                     uv_y_off * uv_stride * 2 +
1352                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1353                                     uv_x_off * pixel_width / 8;
1354                         } else {
1355                                 win->area[0].c_offset = uv_y_off * uv_stride +
1356                                     (uv_y_act - 1) * uv_stride +
1357                                     uv_x_off * pixel_width / 8;
1358                         }
1359                 } else {
1360                         if (screen->interlace == 1) {
1361                                 win->area[0].c_offset =
1362                                     uv_y_off * uv_stride * 2 +
1363                                     uv_x_off * pixel_width / 8;
1364                         } else {
1365                                 win->area[0].c_offset =
1366                                     uv_y_off * uv_stride +
1367                                     uv_x_off * pixel_width / 8;
1368                         }
1369                 }
1370         }
1371
1372         win->area[0].smem_start = fix->smem_start;
1373         win->area[0].cbr_start = fix->mmio_start;
1374         win->area[0].state = 1;
1375         win->area_num = 1;
1376
1377         dev_drv->ops->pan_display(dev_drv, win_id);
1378
1379 #ifdef  CONFIG_FB_MIRRORING
1380         if (video_data_to_mirroring)
1381                 video_data_to_mirroring(info, NULL);
1382 #endif
1383         /*if not want the config effect,set reserved[3] bit[0] 1*/
1384         if (likely((var->reserved[3] & 0x1) == 0))
1385                 dev_drv->ops->cfg_done(dev_drv);
1386
1387         return 0;
1388 }
1389
1390 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1391 {
1392         int i, j;
1393
1394         i = list_empty(&dev_drv->update_regs_list);
1395         j = list_empty(&dev_drv->saved_list);
1396         return i == j ? 0 : 1;
1397 }
1398
1399 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1400 {
1401         int err = sync_fence_wait(fence, 1000);
1402
1403         if (err >= 0)
1404                 return;
1405
1406         if (err == -ETIME)
1407                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1408
1409         if (err < 0)
1410                 printk("error waiting on fence\n");
1411 }
1412 #if 0
1413 static int rk_fb_copy_from_loader(struct fb_info *info)
1414 {
1415         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1416         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1417         void *dst = info->screen_base;
1418         u32 dsp_addr[4];
1419         u32 src;
1420         u32 i,size;
1421         int win_id;
1422         struct rk_lcdc_win *win;
1423         
1424         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1425         win = dev_drv->win[win_id];
1426         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1427         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1428         src = dsp_addr[win_id];
1429         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1430                  win->area[0].xact, win->area[0].yact, src);
1431         for (i = 0; i < size; i += PAGE_SIZE) {
1432                 void *page = phys_to_page(i + src);
1433                 void *from_virt = kmap(page);
1434                 void *to_virt = dst + i;
1435                 memcpy(to_virt, from_virt, PAGE_SIZE);
1436         }
1437         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1438                                       info->fix.smem_start);
1439         return 0;
1440 }
1441 #endif
1442 #ifdef CONFIG_ROCKCHIP_IOMMU
1443 static int g_last_addr[4][4];
1444 int g_last_timeout;
1445 u32 freed_addr[10];
1446 u32 freed_index;
1447
1448 #define DUMP_CHUNK 256
1449 char buf[PAGE_SIZE];
1450
1451 int rk_fb_sysmmu_fault_handler(struct device *dev,
1452                                enum rk_iommu_inttype itype,
1453                                unsigned long pgtable_base,
1454                                unsigned long fault_addr, unsigned int status)
1455 {
1456         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1457         int i = 0, j = 0;
1458         static int page_fault_cnt;
1459         if ((page_fault_cnt++) >= 10)
1460                 return 0;
1461         pr_err
1462             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1463              fault_addr, pgtable_base, status);
1464         pr_info("last config addr:\n");
1465         for (i = 0; i < 4; i++) {
1466                 for (j = 0; j < 4; j++)
1467                         pr_info("win[%d],area[%d] = 0x%08x\n",
1468                                 i, j, g_last_addr[i][j]);
1469         }
1470         pr_info("last freed buffer:\n");
1471         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1472                 printk("%d:0x%08x\n", i, freed_addr[i]);
1473         printk("last timeout:%d\n", g_last_timeout);
1474         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1475         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1476                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1477                         char c = buf[i + DUMP_CHUNK];
1478                         buf[i + DUMP_CHUNK] = 0;
1479                         pr_cont("%s", buf + i);
1480                         buf[i + DUMP_CHUNK] = c;
1481                 } else {
1482                         buf[PAGE_SIZE - 1] = 0;
1483                         pr_cont("%s", buf + i);
1484                 }
1485         }
1486
1487         return 0;
1488 }
1489 #endif
1490
1491 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1492                         struct rk_fb_reg_win_data *reg_win_data)
1493 {
1494         int i, index_buf;
1495         struct rk_fb_reg_area_data *area_data;
1496         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1497
1498         for (i = 0; i < reg_win_data->area_num; i++) {
1499                 area_data = &reg_win_data->reg_area_data[i];
1500                 index_buf = area_data->index_buf;
1501 #if defined(CONFIG_ROCKCHIP_IOMMU)
1502                 if (dev_drv->iommu_enabled) {
1503                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1504                              (area_data->ion_handle != NULL))
1505                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1506                                                 area_data->ion_handle);
1507                         freed_addr[freed_index++] = area_data->smem_start;
1508                 }
1509 #endif
1510                 if (area_data->ion_handle != NULL)
1511                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1512
1513                 if (area_data->acq_fence)
1514                         sync_fence_put(area_data->acq_fence);
1515         }
1516         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1517 }
1518
1519 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1520                                 struct rk_lcdc_win *win,
1521                                 struct rk_fb_reg_win_data *reg_win_data)
1522 {
1523         int i = 0;
1524         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1525         struct rk_screen *cur_screen;
1526         struct rk_screen primary_screen;
1527
1528         if (unlikely(!inf) || unlikely(!dev_drv) ||
1529             unlikely(!win) || unlikely(!reg_win_data))
1530                 return;
1531
1532         cur_screen = dev_drv->cur_screen;
1533         rk_fb_get_prmry_screen(&primary_screen);
1534
1535         win->area_num = reg_win_data->area_num;
1536         win->id = reg_win_data->win_id;
1537         win->z_order = reg_win_data->z_order;
1538
1539         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1540                 win->state = 1;
1541                 win->area_num = reg_win_data->area_num;
1542                 win->id = reg_win_data->win_id;
1543                 win->z_order = reg_win_data->z_order;
1544                 win->area[0].uv_vir_stride =
1545                     reg_win_data->reg_area_data[0].uv_vir_stride;
1546                 win->area[0].cbr_start =
1547                     reg_win_data->reg_area_data[0].cbr_start;
1548                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1549                 win->alpha_en = reg_win_data->alpha_en;
1550                 win->alpha_mode = reg_win_data->alpha_mode;
1551                 win->g_alpha_val = reg_win_data->g_alpha_val;
1552                 win->mirror_en = reg_win_data->mirror_en;
1553                 win->area[0].fbdc_en =
1554                         reg_win_data->reg_area_data[0].fbdc_en;
1555                 win->area[0].fbdc_cor_en =
1556                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1557                 win->area[0].fbdc_data_format =
1558                         reg_win_data->reg_area_data[0].fbdc_data_format;
1559                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1560                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1561                                 win->area[i].format =
1562                                         reg_win_data->reg_area_data[i].data_format;
1563                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1564                                         win->area[i].ion_hdl =
1565                                         reg_win_data->reg_area_data[i].ion_handle;
1566                                 win->area[i].smem_start =
1567                                         reg_win_data->reg_area_data[i].smem_start;
1568                                 if (inf->disp_mode == DUAL ||
1569                                     inf->disp_mode == NO_DUAL ||
1570                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1571                                         win->area[i].xpos =
1572                                                 reg_win_data->reg_area_data[i].xpos;
1573                                         win->area[i].ypos =
1574                                                 reg_win_data->reg_area_data[i].ypos;
1575                                         win->area[i].xsize =
1576                                                 reg_win_data->reg_area_data[i].xsize;
1577                                         win->area[i].ysize =
1578                                                 reg_win_data->reg_area_data[i].ysize;
1579                                 } else {
1580                                         win->area[i].xpos =
1581                                                 reg_win_data->reg_area_data[i].xpos *
1582                                                 cur_screen->mode.xres /
1583                                                 primary_screen.mode.xres;
1584                                         win->area[i].ypos =
1585                                                 reg_win_data->reg_area_data[i].ypos *
1586                                                 cur_screen->mode.yres /
1587                                                 primary_screen.mode.yres;
1588                                         win->area[i].xsize =
1589                                                 reg_win_data->reg_area_data[i].xsize *
1590                                                 cur_screen->mode.xres /
1591                                                 primary_screen.mode.xres;
1592                                         win->area[i].ysize =
1593                                                 reg_win_data->reg_area_data[i].ysize *
1594                                                 cur_screen->mode.yres /
1595                                                 primary_screen.mode.yres;
1596
1597                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1598                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1599                                                 if (cur_screen->xsize > 0 &&
1600                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1601                                                         win->area[i].xpos =
1602                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1603                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1604                                                         win->area[i].xsize =
1605                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1606                                                 }
1607                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1608                                                         win->area[i].ypos =
1609                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1610                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1611                                                         win->area[i].ysize =
1612                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1613                                                 }
1614                                         }
1615                                 }
1616                                 win->area[i].xact =
1617                                     reg_win_data->reg_area_data[i].xact;
1618                                 win->area[i].yact =
1619                                     reg_win_data->reg_area_data[i].yact;
1620                                 win->area[i].xvir =
1621                                     reg_win_data->reg_area_data[i].xvir;
1622                                 win->area[i].yvir =
1623                                     reg_win_data->reg_area_data[i].yvir;
1624                                 win->area[i].xoff =
1625                                     reg_win_data->reg_area_data[i].xoff;
1626                                 win->area[i].yoff =
1627                                     reg_win_data->reg_area_data[i].yoff;
1628                                 win->area[i].y_offset =
1629                                     reg_win_data->reg_area_data[i].y_offset;
1630                                 win->area[i].y_vir_stride =
1631                                     reg_win_data->reg_area_data[i].y_vir_stride;
1632                                 win->area[i].state = 1;
1633 #if defined(CONFIG_ROCKCHIP_IOMMU)
1634                                 if (dev_drv->iommu_enabled)
1635                                         g_last_addr[win->id][i] = win->area[i].smem_start +
1636                                                 win->area[i].y_offset;
1637 #endif
1638                         } else {
1639                                 win->area[i].state = 0;
1640 #if defined(CONFIG_ROCKCHIP_IOMMU)
1641                                 if (dev_drv->iommu_enabled)
1642                                         g_last_addr[win->id][i] = -1;
1643 #endif
1644                         }
1645                 }
1646         }
1647 }
1648
1649 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1650                                                      *regs, int win_id)
1651 {
1652         int i;
1653         struct rk_fb_reg_win_data *win_data = NULL;
1654         for (i = 0; i < regs->win_num; i++) {
1655                 if (regs->reg_win_data[i].win_id == win_id) {
1656                         win_data = &(regs->reg_win_data[i]);
1657                         break;
1658                 }
1659         }
1660
1661         return win_data;
1662 }
1663
1664 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1665                              struct rk_fb_reg_data *regs,
1666                              int count)
1667 {
1668         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1669         int i, j, wait_for_vsync = false;
1670         unsigned int dsp_addr[5][4];
1671         unsigned int area_support[5] = {1, 1, 1, 1, 1};
1672         int win_status = 0;
1673
1674         if (dev_drv->ops->get_dsp_addr)
1675                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1676
1677         if (dev_drv->ops->area_support_num)
1678                 dev_drv->ops->area_support_num(dev_drv, area_support);
1679
1680         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1681                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1682                     (!strcmp(dev_drv->win[i]->name, "hwc")))
1683                         continue;
1684
1685                 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1686                         if ((j > 0) && (area_support[i] == 1)) {
1687                                 continue;
1688                         }
1689                         if (dev_drv->win[i]->area[j].state == 1) {
1690                                 u32 new_start =
1691                                         dev_drv->win[i]->area[j].smem_start +
1692                                         dev_drv->win[i]->area[j].y_offset;
1693                                 u32 reg_start = dsp_addr[i][j];
1694                                 if ((rk_fb->disp_policy ==
1695                                         DISPLAY_POLICY_BOX) &&
1696                                         (dev_drv->suspend_flag))
1697                                         continue;
1698                                 if (unlikely(new_start != reg_start)) {
1699                                         wait_for_vsync = true;
1700                                         dev_info(dev_drv->dev,
1701                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1702                                                  i, new_start, reg_start, 101 - count);
1703                                         break;
1704                                 }
1705                         } else if (dev_drv->win[i]->area[j].state == 0) {
1706                                 if (dev_drv->ops->get_win_state) {
1707                                         win_status =
1708                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1709                                         if (win_status)
1710                                                 wait_for_vsync = true;
1711                                 }
1712                         } else {
1713                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1714                                        i, dev_drv->win[i]->state);
1715                         }
1716                 }
1717         }
1718
1719         return wait_for_vsync;
1720 }
1721
1722 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1723                              struct rk_fb_reg_data *regs)
1724 {
1725         int i, j;
1726         struct rk_lcdc_win *win;
1727         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1728         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1729         struct rk_fb_reg_win_data *win_data;
1730         bool wait_for_vsync;
1731         int count = 100;
1732         long timeout;
1733
1734         /* acq_fence wait */
1735         for (i = 0; i < regs->win_num; i++) {
1736                 win_data = &regs->reg_win_data[i];
1737                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1738                         if (win_data->reg_area_data[j].acq_fence) {
1739                                 /* printk("acq_fence wait!!!!!\n"); */
1740                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1741                         }
1742                 }
1743         }
1744
1745         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1746                 win = dev_drv->win[i];
1747                 win_data = rk_fb_get_win_data(regs, i);
1748                 if (win_data) {
1749                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1750                             (win_data->reg_area_data[0].data_format == YUV420 ||
1751                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1752                              win_data->reg_area_data[0].data_format == YUV420_A))
1753                                 continue;
1754                         mutex_lock(&dev_drv->win_config);
1755                         rk_fb_update_win(dev_drv, win, win_data);
1756                         win->state = 1;
1757                         dev_drv->ops->set_par(dev_drv, i);
1758                         dev_drv->ops->pan_display(dev_drv, i);
1759                         mutex_unlock(&dev_drv->win_config);
1760                 } else {
1761                         win->z_order = -1;
1762                         win->state = 0;
1763 #if defined(CONFIG_ROCKCHIP_IOMMU)
1764                         if (dev_drv->iommu_enabled) {
1765                                 for (j = 0; j < 4; j++)
1766                                         g_last_addr[i][j] = -1;
1767                         }
1768 #endif
1769                 }
1770         }
1771         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1772         if (dev_drv->ops->dsp_black)
1773                 dev_drv->ops->dsp_black(dev_drv, 0);
1774         dev_drv->ops->cfg_done(dev_drv);
1775
1776         do {
1777                 timestamp = dev_drv->vsync_info.timestamp;
1778                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1779                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1780                                 msecs_to_jiffies(50));
1781
1782                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1783         } while (wait_for_vsync && count--);
1784 #ifdef H_USE_FENCE
1785         sw_sync_timeline_inc(dev_drv->timeline, 1);
1786 #endif
1787
1788         if (dev_drv->front_regs) {
1789 #if defined(CONFIG_ROCKCHIP_IOMMU)
1790                 if (dev_drv->iommu_enabled) {
1791                         if (dev_drv->ops->mmu_en)
1792                                 dev_drv->ops->mmu_en(dev_drv);
1793                         freed_index = 0;
1794                         g_last_timeout = timeout;
1795                 }
1796 #endif
1797
1798                 mutex_lock(&dev_drv->front_lock);
1799
1800                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1801                         win_data = &dev_drv->front_regs->reg_win_data[i];
1802                         rk_fb_free_dma_buf(dev_drv, win_data);
1803                 }
1804                 kfree(dev_drv->front_regs);
1805
1806                 mutex_unlock(&dev_drv->front_lock);
1807
1808 #if defined(CONFIG_ROCKCHIP_IOMMU)
1809                 if (dev_drv->iommu_enabled)
1810                         freed_addr[freed_index] = 0xfefefefe;
1811 #endif
1812         }
1813
1814         mutex_lock(&dev_drv->front_lock);
1815
1816         dev_drv->front_regs = regs;
1817
1818         mutex_unlock(&dev_drv->front_lock);
1819 }
1820
1821 static void rk_fb_update_regs_handler(struct kthread_work *work)
1822 {
1823         struct rk_lcdc_driver *dev_drv =
1824             container_of(work, struct rk_lcdc_driver, update_regs_work);
1825         struct rk_fb_reg_data *data, *next;
1826
1827         mutex_lock(&dev_drv->update_regs_list_lock);
1828         dev_drv->saved_list = dev_drv->update_regs_list;
1829         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1830         mutex_unlock(&dev_drv->update_regs_list_lock);
1831
1832         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1833                 rk_fb_update_reg(dev_drv, data);
1834                 list_del(&data->list);
1835         }
1836
1837         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1838                 wake_up(&dev_drv->update_regs_wait);
1839 }
1840
1841 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1842                                   struct rk_screen *screen)
1843 {
1844         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1845             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1846             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1847                 pr_err("check config var fail 0:\n"
1848                        "x_offset=%d,xact=%d,xvir=%d\n",
1849                        area_par->x_offset, area_par->xact, area_par->xvir);
1850                 return -EINVAL;
1851         }
1852
1853         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1854             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1855             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1856                 pr_warn("check config var fail 1:\n"
1857                        "xpos=%d,xsize=%d,xres=%d\n"
1858                        "ypos=%d,ysize=%d,yres=%d\n",
1859                        area_par->xpos, area_par->xsize, screen->mode.xres,
1860                        area_par->ypos, area_par->ysize, screen->mode.yres);
1861                 return -EINVAL;
1862         }
1863         return 0;
1864 }
1865
1866 static int rk_fb_set_win_buffer(struct fb_info *info,
1867                                 struct rk_fb_win_par *win_par,
1868                                 struct rk_fb_reg_win_data *reg_win_data)
1869 {
1870         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1871         struct fb_fix_screeninfo *fix = &info->fix;
1872         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1873         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1874         /*if hdmi size move to hwc,screen should point to cur_screen
1875           otherwise point to screen0[main screen]*/
1876         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1877         struct fb_info *fbi;
1878         int i, ion_fd, acq_fence_fd;
1879         u32 xvir, yvir;
1880         u32 xoffset, yoffset;
1881
1882         struct ion_handle *hdl;
1883         size_t len;
1884         int index_buf;
1885         u8 fb_data_fmt;
1886         u8 pixel_width;
1887         u32 vir_width_bit;
1888         u32 stride, uv_stride;
1889         u32 stride_32bit_1;
1890         u32 stride_32bit_2;
1891         u16 uv_x_off, uv_y_off, uv_y_act;
1892         u8 is_pic_yuv = 0;
1893         u8 ppixel_a = 0, global_a = 0;
1894         ion_phys_addr_t phy_addr;
1895         int ret = 0;
1896         int buff_len;
1897
1898         reg_win_data->reg_area_data[0].smem_start = -1;
1899         reg_win_data->area_num = 0;
1900         fbi = rk_fb->fb[reg_win_data->win_id];
1901         if (win_par->area_par[0].phy_addr == 0) {
1902                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1903                         ion_fd = win_par->area_par[i].ion_fd;
1904                         if (ion_fd > 0) {
1905                                 hdl =
1906                                     ion_import_dma_buf(rk_fb->ion_client,
1907                                                        ion_fd);
1908                                 if (IS_ERR(hdl)) {
1909                                         pr_info("%s: Could not import handle:"
1910                                                 " %ld\n", __func__, (long)hdl);
1911                                         /*return -EINVAL; */
1912                                         break;
1913                                 }
1914                                 reg_win_data->area_num++;
1915                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1916 #ifndef CONFIG_ROCKCHIP_IOMMU
1917                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1918                                                 &len);
1919 #else
1920                                 if (dev_drv->iommu_enabled)
1921                                         ret = ion_map_iommu(dev_drv->dev,
1922                                                                 rk_fb->ion_client,
1923                                                                 hdl,
1924                                                                 (unsigned long *)&phy_addr,
1925                                                                 (unsigned long *)&len);
1926                                 else
1927                                         ret = ion_phys(rk_fb->ion_client, hdl,
1928                                                         &phy_addr, &len);
1929 #endif
1930                                 if (ret < 0) {
1931                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1932                                         ion_free(rk_fb->ion_client, hdl);
1933                                         return -ENOMEM;
1934                                 }
1935                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1936                                 reg_win_data->area_buf_num++;
1937                                 reg_win_data->reg_area_data[i].index_buf = 1;
1938                                 reg_win_data->reg_area_data[i].buff_len = len;
1939                         }
1940                 }
1941         } else {
1942                 reg_win_data->reg_area_data[0].smem_start =
1943                     win_par->area_par[0].phy_addr;
1944                 reg_win_data->area_num = 1;
1945                 reg_win_data->area_buf_num++;
1946                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1947         }
1948
1949         if (reg_win_data->area_num == 0)
1950                 return 0;
1951
1952         for (i = 0; i < reg_win_data->area_num; i++) {
1953                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1954                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1955                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1956                         reg_win_data->reg_area_data[i].acq_fence =
1957                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1958                 }
1959         }
1960         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1961                 reg_win_data->z_order = win_par->z_order;
1962                 reg_win_data->win_id = win_par->win_id;
1963         } else {
1964                 reg_win_data->z_order = -1;
1965                 reg_win_data->win_id = -1;
1966         }
1967
1968         reg_win_data->mirror_en = win_par->mirror_en;
1969         for (i = 0; i < reg_win_data->area_num; i++) {
1970                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
1971
1972                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1973                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1974                 if (fb_data_fmt >= FBDC_RGB_565) {
1975                         reg_win_data->reg_area_data[i].fbdc_en = 1;
1976                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1977                 } else {
1978                         reg_win_data->reg_area_data[i].fbdc_en = 0;
1979                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1980                 }
1981                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1982
1983                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1984                              (fb_data_fmt == FBDC_ARGB_888) ||
1985                              (fb_data_fmt == FBDC_ABGR_888) ||
1986                              (fb_data_fmt == ABGR888)) ? 1 : 0;
1987                 /* visiable pos in panel */
1988                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1989                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1990
1991                 /* realy size in panel */
1992                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1993                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1994
1995                 /* realy size in panel */
1996                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1997                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1998
1999                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2000                 yoffset = win_par->area_par[i].y_offset;
2001                 reg_win_data->reg_area_data[i].xoff = xoffset;
2002                 reg_win_data->reg_area_data[i].yoff = yoffset;
2003
2004                 xvir = win_par->area_par[i].xvir;
2005                 reg_win_data->reg_area_data[i].xvir = xvir;
2006                 yvir = win_par->area_par[i].yvir;
2007                 reg_win_data->reg_area_data[i].yvir = yvir;
2008
2009                 vir_width_bit = pixel_width * xvir;
2010                 /* pixel_width = byte_num*8 */
2011                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2012                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2013
2014                 stride = stride_32bit_1;        /* default rgb */
2015                 fix->line_length = stride;
2016                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2017
2018                 /* x y mirror ,jump line
2019                  * reg_win_data->reg_area_data[i].y_offset =
2020                  *              yoffset*stride+xoffset*pixel_width/8;
2021                  */
2022                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2023                         if (screen->interlace == 1) {
2024                                 reg_win_data->reg_area_data[i].y_offset =
2025                                     yoffset * stride * 2 +
2026                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2027                                     xoffset * pixel_width / 8;
2028                         } else {
2029                                 reg_win_data->reg_area_data[i].y_offset =
2030                                     yoffset * stride +
2031                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2032                                     xoffset * pixel_width / 8;
2033                         }
2034                 } else {
2035                         if (screen->interlace == 1) {
2036                                 reg_win_data->reg_area_data[i].y_offset =
2037                                     yoffset * stride * 2 +
2038                                     xoffset * pixel_width / 8;
2039                         } else {
2040                                 reg_win_data->reg_area_data[i].y_offset =
2041                                     yoffset * stride +
2042                                     xoffset * pixel_width / 8;
2043                         }
2044                 }
2045                 if ((fb_data_fmt != YUV420) &&
2046                     (fb_data_fmt != YUV420_NV21) &&
2047                     (fb_data_fmt != YUV422) &&
2048                     (fb_data_fmt != YUV444) &&
2049                     dev_drv->iommu_enabled) {
2050                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2051                                 reg_win_data->reg_area_data[i].xvir *
2052                                 reg_win_data->reg_area_data[i].yact *
2053                                 pixel_width / 8 -
2054                                 reg_win_data->reg_area_data[i].xoff*
2055                                 pixel_width / 8;
2056                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2057                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2058                                        "yact[%d]*bpp[%d]"
2059                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2060                                        fb_data_fmt,
2061                                        reg_win_data->reg_area_data[i].xvir,
2062                                        reg_win_data->reg_area_data[i].yact,
2063                                        pixel_width, buff_len,
2064                                        reg_win_data->reg_area_data[i].buff_len);
2065                 }
2066         }
2067
2068         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2069         reg_win_data->alpha_en = ppixel_a | global_a;
2070         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2071         reg_win_data->alpha_mode = win_par->alpha_mode;
2072
2073         switch (fb_data_fmt) {
2074         case YUV422:
2075         case YUV422_A:
2076                 is_pic_yuv = 1;
2077                 stride = stride_32bit_1;
2078                 uv_stride = stride_32bit_1 >> 1;
2079                 uv_x_off = xoffset >> 1;
2080                 uv_y_off = yoffset;
2081                 fix->line_length = stride;
2082                 uv_y_act = win_par->area_par[0].yact >> 1;
2083                 break;
2084         case YUV420:            /* nv12 */
2085         case YUV420_NV21:       /* nv21 */
2086         case YUV420_A:
2087                 is_pic_yuv = 1;
2088                 stride = stride_32bit_1;
2089                 uv_stride = stride_32bit_1;
2090                 uv_x_off = xoffset;
2091                 uv_y_off = yoffset >> 1;
2092                 fix->line_length = stride;
2093                 uv_y_act = win_par->area_par[0].yact >> 1;
2094                 break;
2095         case YUV444:
2096         case YUV444_A:
2097                 is_pic_yuv = 1;
2098                 stride = stride_32bit_1;
2099                 uv_stride = stride_32bit_2;
2100                 uv_x_off = xoffset * 2;
2101                 uv_y_off = yoffset;
2102                 fix->line_length = stride << 2;
2103                 uv_y_act = win_par->area_par[0].yact;
2104                 break;
2105         default:
2106                 break;
2107         }
2108         if (is_pic_yuv == 1) {
2109                 reg_win_data->reg_area_data[0].cbr_start =
2110                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2111                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2112                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2113                         if (screen->interlace == 1) {
2114                                 reg_win_data->reg_area_data[0].c_offset =
2115                                     uv_y_off * uv_stride * 2 +
2116                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2117                                     uv_x_off * pixel_width / 8;
2118                         } else {
2119                                 reg_win_data->reg_area_data[0].c_offset =
2120                                     uv_y_off * uv_stride +
2121                                     (uv_y_act - 1) * uv_stride +
2122                                     uv_x_off * pixel_width / 8;
2123                         }
2124                 } else {
2125                         if (screen->interlace == 1) {
2126                                 reg_win_data->reg_area_data[0].c_offset =
2127                                     uv_y_off * uv_stride * 2 +
2128                                     uv_x_off * pixel_width / 8;
2129                         } else {
2130                                 reg_win_data->reg_area_data[0].c_offset =
2131                                     uv_y_off * uv_stride +
2132                                     uv_x_off * pixel_width / 8;
2133                         }
2134                 }
2135                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2136                         reg_win_data->reg_area_data[0].c_offset +
2137                         reg_win_data->reg_area_data[0].xvir *
2138                         reg_win_data->reg_area_data[0].yact *
2139                         pixel_width / 16 -
2140                         reg_win_data->reg_area_data[0].smem_start -
2141                         reg_win_data->reg_area_data[0].xoff*
2142                         pixel_width / 16 ;
2143                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2144                      dev_drv->iommu_enabled)
2145                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2146                                "yact[%d]*bpp[%d]"
2147                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2148                                fb_data_fmt,
2149                                reg_win_data->reg_area_data[0].xvir,
2150                                reg_win_data->reg_area_data[0].yact,
2151                                pixel_width, buff_len,
2152                                reg_win_data->reg_area_data[0].buff_len);
2153         }
2154
2155         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2156          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2157          */
2158         info->var.yoffset = yoffset;
2159         info->var.xoffset = xoffset;
2160         return 0;
2161 }
2162
2163 static int rk_fb_set_win_config(struct fb_info *info,
2164                                 struct rk_fb_win_cfg_data *win_data)
2165 {
2166         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2167         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2168         struct rk_fb_reg_data *regs;
2169 #ifdef H_USE_FENCE
2170         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2171         struct sync_fence *retire_fence;
2172         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2173         struct sync_pt *retire_sync_pt;
2174         char fence_name[20];
2175 #endif
2176         int ret = 0, i, j = 0;
2177         int list_is_empty = 0;
2178         struct rk_screen *screen = dev_drv->cur_screen;
2179
2180         for (i = 0; i < 4; i++) {
2181                 for (j = 0; j < 4; j++) {
2182                         if (win_data->win_par[i].area_par[j].ion_fd > 0)
2183                                 ret += rk_fb_check_config_var(
2184                                         &win_data->win_par[i].area_par[j],
2185                                         screen);
2186                 }
2187         }
2188         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2189                 dev_drv->timeline_max++;
2190                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2191                 if (dev_drv->suspend_flag)
2192                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2193                 else if (dev_drv->hdmi_switch)
2194                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2195                 else
2196                         pr_err("error config ,ignore\n");
2197                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2198                         win_data->rel_fence_fd[j] = -1;
2199                 win_data->ret_fence_fd = -1;
2200                 return 0;
2201         }
2202
2203         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2204         if (!regs) {
2205                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2206                 ret = -ENOMEM;
2207                 return ret;
2208         }
2209
2210         for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2211                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2212                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2213                                                         &regs->reg_win_data[j]))
2214                                 return -ENOMEM;
2215                         if (regs->reg_win_data[j].area_num > 0) {
2216                                 regs->win_num++;
2217                                 regs->buf_num +=
2218                                     regs->reg_win_data[j].area_buf_num;
2219                         }
2220                         j++;
2221                 } else {
2222                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2223                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2224                                win_data->win_par[i].win_id);
2225                 }
2226         }
2227
2228         if (regs->win_num <= 0)
2229                 goto err_null_frame;
2230
2231         mutex_lock(&dev_drv->output_lock);
2232
2233         dev_drv->timeline_max++;
2234 #ifdef H_USE_FENCE
2235         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2236                 if (i < regs->buf_num) {
2237                         sprintf(fence_name, "fence%d", i);
2238                         win_data->rel_fence_fd[i] = get_unused_fd();
2239                         if (win_data->rel_fence_fd[i] < 0) {
2240                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2241                                        win_data->rel_fence_fd[i]);
2242                                 ret = -EFAULT;
2243                                 goto err;
2244                         }
2245                         release_sync_pt[i] =
2246                             sw_sync_pt_create(dev_drv->timeline,
2247                                               dev_drv->timeline_max);
2248                         release_fence[i] =
2249                             sync_fence_create(fence_name, release_sync_pt[i]);
2250                         sync_fence_install(release_fence[i],
2251                                            win_data->rel_fence_fd[i]);
2252                 } else {
2253                         win_data->rel_fence_fd[i] = -1;
2254                 }
2255         }
2256
2257         win_data->ret_fence_fd = get_unused_fd();
2258         if (win_data->ret_fence_fd < 0) {
2259                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2260                 win_data->ret_fence_fd = -1;
2261                 ret = -EFAULT;
2262                 goto err;
2263         }
2264         retire_sync_pt =
2265             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2266         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2267         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2268 #else
2269         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2270                 win_data->rel_fence_fd[i] = -1;
2271
2272         win_data->ret_fence_fd = -1;
2273 #endif
2274         if (dev_drv->wait_fs == 0) {
2275                 mutex_lock(&dev_drv->update_regs_list_lock);
2276                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2277                 mutex_unlock(&dev_drv->update_regs_list_lock);
2278                 queue_kthread_work(&dev_drv->update_regs_worker,
2279                                    &dev_drv->update_regs_work);
2280         } else {
2281                 mutex_lock(&dev_drv->update_regs_list_lock);
2282                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2283                                         list_empty(&dev_drv->saved_list);
2284                 mutex_unlock(&dev_drv->update_regs_list_lock);
2285                 if (!list_is_empty) {
2286                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2287                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2288                                 msecs_to_jiffies(60));
2289                         if (ret > 0)
2290                                 rk_fb_update_reg(dev_drv, regs);
2291                         else
2292                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2293                 } else if (ret == 0) {
2294                         rk_fb_update_reg(dev_drv, regs);
2295                 }
2296         }
2297
2298 err:
2299         mutex_unlock(&dev_drv->output_lock);
2300         return ret;
2301 err_null_frame:
2302         kfree(regs);
2303         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2304                 win_data->rel_fence_fd[j] = -1;
2305         win_data->ret_fence_fd = -1;
2306         pr_info("win num = %d,null frame\n", regs->win_num);
2307         return 0;
2308 }
2309
2310 #if 1
2311 static int cfgdone_distlist[10] = { 0 };
2312
2313 static int cfgdone_index;
2314 static int cfgdone_lasttime;
2315
2316 int rk_get_real_fps(int before)
2317 {
2318         struct timespec now;
2319         int dist_curr;
2320         int dist_total = 0;
2321         int dist_count = 0;
2322         int dist_first = 0;
2323
2324         int index = cfgdone_index;
2325         int i = 0, fps = 0;
2326         int total;
2327
2328         if (before > 100)
2329                 before = 100;
2330         if (before < 0)
2331                 before = 0;
2332
2333         getnstimeofday(&now);
2334         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2335                         cfgdone_lasttime;
2336         total = dist_curr;
2337         /*
2338            printk("fps: ");
2339          */
2340         for (i = 0; i < 10; i++) {
2341                 if (--index < 0)
2342                         index = 9;
2343                 total += cfgdone_distlist[index];
2344                 if (i == 0)
2345                         dist_first = cfgdone_distlist[index];
2346                 if (total < (before * 1000)) {
2347                         /*
2348                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2349                          */
2350                         dist_total += cfgdone_distlist[index];
2351                         dist_count++;
2352                 } else {
2353                         break;
2354                 }
2355         }
2356
2357         /*
2358            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2359          */
2360         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2361         dist_total += dist_curr;
2362         dist_count++;
2363
2364         if (dist_total > 0)
2365                 fps = (1000000 * dist_count) / dist_total;
2366         else
2367                 fps = 60;
2368
2369         /*
2370            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2371          */
2372         return fps;
2373 }
2374 EXPORT_SYMBOL(rk_get_real_fps);
2375
2376 #endif
2377 #ifdef CONFIG_ROCKCHIP_IOMMU
2378 #define ION_MAX 10
2379 static struct ion_handle *ion_hanle[ION_MAX];
2380 static struct ion_handle *ion_hwc[1];
2381 #endif
2382 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2383                        unsigned long arg)
2384 {
2385         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2386         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2387         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2388         struct fb_fix_screeninfo *fix = &info->fix;
2389         struct rk_lcdc_win *win;
2390         int enable;     /* enable fb:1 enable;0 disable */
2391         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2392         int num_buf;    /* buffer_number */
2393         int ret;
2394         struct rk_fb_win_cfg_data win_data;
2395         unsigned int dsp_addr[4][4];
2396         int list_stat;
2397
2398         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2399
2400         void __user *argp = (void __user *)arg;
2401         win = dev_drv->win[win_id];
2402
2403         switch (cmd) {
2404         case RK_FBIOSET_HWC_ADDR:
2405         {
2406                 u32 hwc_phy[1];
2407                 if (copy_from_user(hwc_phy, argp, 4))
2408                         return -EFAULT;
2409 #ifdef CONFIG_ROCKCHIP_IOMMU
2410                 if (!dev_drv->iommu_enabled) {
2411 #endif
2412                         fix->smem_start = hwc_phy[0];
2413 #ifdef CONFIG_ROCKCHIP_IOMMU
2414                 } else {
2415                         int usr_fd;
2416                         struct ion_handle *hdl;
2417                         ion_phys_addr_t phy_addr;
2418                         size_t len;
2419
2420                         usr_fd = hwc_phy[0];
2421                         if (!usr_fd) {
2422                                 fix->smem_start = 0;
2423                                 fix->mmio_start = 0;
2424                                 dev_drv->ops->open(dev_drv, win_id, 0);
2425                                 break;
2426                         }
2427
2428                         if (ion_hwc[0] != 0) {
2429                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2430                                 ion_hwc[0] = 0;
2431                         }
2432
2433                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2434                         if (IS_ERR(hdl)) {
2435                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2436                                         PTR_ERR(hdl));
2437                                 return -EFAULT;
2438                         }
2439
2440                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2441                                                 (unsigned long *)&phy_addr,
2442                                                 (unsigned long *)&len);
2443                         if (ret < 0) {
2444                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2445                                 ion_free(rk_fb->ion_client, hdl);
2446                                 return -ENOMEM;
2447                         }
2448                         fix->smem_start = phy_addr;
2449                         ion_hwc[0] = hdl;
2450                 }
2451 #endif
2452                 break;
2453         }
2454         case RK_FBIOSET_YUV_ADDR:
2455                 {
2456                         u32 yuv_phy[2];
2457
2458                         if (copy_from_user(yuv_phy, argp, 8))
2459                                 return -EFAULT;
2460                         #ifdef CONFIG_ROCKCHIP_IOMMU
2461                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2462                         #endif
2463                                 fix->smem_start = yuv_phy[0];
2464                                 fix->mmio_start = yuv_phy[1];
2465                         #ifdef CONFIG_ROCKCHIP_IOMMU
2466                         } else {
2467                                 int usr_fd, offset, tmp;
2468                                 struct ion_handle *hdl;
2469                                 ion_phys_addr_t phy_addr;
2470                                 size_t len;
2471
2472                                 usr_fd = yuv_phy[0];
2473                                 offset = yuv_phy[1] - yuv_phy[0];
2474                                 if (!usr_fd) {
2475                                         fix->smem_start = 0;
2476                                         fix->mmio_start = 0;
2477                                         break;
2478                                 }
2479
2480                                 if (ion_hanle[ION_MAX - 1] != 0) {
2481                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2482                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2483                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2484                                         ion_hanle[ION_MAX - 1] = 0;
2485                                 }
2486
2487                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2488                                 if (IS_ERR(hdl)) {
2489                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2490                                                 PTR_ERR(hdl));
2491                                         return -EFAULT;
2492                                 }
2493
2494                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2495                                                         (unsigned long *)&phy_addr,
2496                                                         (unsigned long *)&len);
2497                                 if (ret < 0) {
2498                                         dev_err(info->dev, "ion map to get phy addr failed");
2499                                         ion_free(rk_fb->ion_client, hdl);
2500                                         return -ENOMEM;
2501                                 }
2502                                 fix->smem_start = phy_addr;
2503                                 fix->mmio_start = phy_addr + offset;
2504                                 fix->smem_len = len;
2505                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2506
2507                                 ion_hanle[0] = hdl;
2508                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2509                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2510                                 ion_hanle[0] = 0;
2511                         }
2512                         #endif
2513                         break;
2514                 }
2515         case RK_FBIOSET_ENABLE:
2516                 if (copy_from_user(&enable, argp, sizeof(enable)))
2517                         return -EFAULT;
2518                                 if (enable && fb_par->state)
2519                                         fb_par->state++;
2520                                 else
2521                                         fb_par->state--;
2522                 dev_drv->ops->open(dev_drv, win_id, enable);
2523                 break;
2524         case RK_FBIOGET_ENABLE:
2525                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2526                 if (copy_to_user(argp, &enable, sizeof(enable)))
2527                         return -EFAULT;
2528                 break;
2529         case RK_FBIOSET_OVERLAY_STA:
2530                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2531                         return -EFAULT;
2532                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2533                 break;
2534         case RK_FBIOGET_OVERLAY_STA:
2535                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2536                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2537                         return -EFAULT;
2538                 break;
2539         case RK_FBIOPUT_NUM_BUFFERS:
2540                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2541                         return -EFAULT;
2542                 dev_drv->num_buf = num_buf;
2543                 break;
2544         case RK_FBIOSET_VSYNC_ENABLE:
2545                 if (copy_from_user(&enable, argp, sizeof(enable)))
2546                         return -EFAULT;
2547                 dev_drv->vsync_info.active = enable;
2548                 break;
2549
2550         case RK_FBIOGET_DSP_ADDR:
2551                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2552                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2553                         return -EFAULT;
2554                 break;
2555         case RK_FBIOGET_LIST_STA:
2556                 list_stat = rk_fb_get_list_stat(dev_drv);
2557                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2558                         return -EFAULT;
2559
2560                 break;
2561         case RK_FBIOGET_IOMMU_STA:
2562                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2563                                  sizeof(dev_drv->iommu_enabled)))
2564                         return -EFAULT;
2565                 break;
2566 #if defined(CONFIG_ION_ROCKCHIP)
2567         case RK_FBIOSET_DMABUF_FD:
2568                 {
2569                         int usr_fd;
2570                         struct ion_handle *hdl;
2571                         ion_phys_addr_t phy_addr;
2572                         size_t len;
2573                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2574                                 return -EFAULT;
2575                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2576                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2577                         fix->smem_start = phy_addr;
2578                         break;
2579                 }
2580         case RK_FBIOGET_DMABUF_FD:
2581                 {
2582                         int fd = -1;
2583
2584                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2585                                 dev_err(info->dev,
2586                                         "get dma_buf fd failed,ion handle is err\n");
2587                                 return PTR_ERR(fb_par->ion_hdl);
2588                         }
2589                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2590                                                   fb_par->ion_hdl);
2591                         if (fd < 0) {
2592                                 dev_err(info->dev,
2593                                         "ion_share_dma_buf_fd failed\n");
2594                                 return fd;
2595                         }
2596                         if (copy_to_user(argp, &fd, sizeof(fd)))
2597                                 return -EFAULT;
2598                         break;
2599                 }
2600 #endif
2601         case RK_FBIOSET_CLEAR_FB:
2602                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2603                 break;
2604         case RK_FBIOSET_CONFIG_DONE:
2605                 {
2606                         int curr = 0;
2607                         struct timespec now;
2608
2609                         getnstimeofday(&now);
2610                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2611                         cfgdone_distlist[cfgdone_index++] =
2612                             curr - cfgdone_lasttime;
2613                         /*
2614                            printk("%d ", curr - cfgdone_lasttime);
2615                          */
2616                         cfgdone_lasttime = curr;
2617                         if (cfgdone_index >= 10)
2618                                 cfgdone_index = 0;
2619                 }
2620                 if (copy_from_user(&win_data,
2621                                    (struct rk_fb_win_cfg_data __user *)argp,
2622                                    sizeof(win_data))) {
2623                         ret = -EFAULT;
2624                         break;
2625                 };
2626
2627                 dev_drv->wait_fs = win_data.wait_fs;
2628                 rk_fb_set_win_config(info, &win_data);
2629
2630                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2631                                  &win_data, sizeof(win_data))) {
2632                         ret = -EFAULT;
2633                         break;
2634                 }
2635                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2636                 break;
2637         default:
2638                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2639                 break;
2640         }
2641
2642         return 0;
2643 }
2644
2645 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2646 {
2647         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2648         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2649         struct fb_fix_screeninfo *fix = &info->fix;
2650         int win_id;
2651 #if defined(CONFIG_RK_HDMI)
2652         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2653 #endif
2654
2655         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2656         if (win_id < 0)
2657                 return -ENODEV;
2658 #if defined(CONFIG_RK_HDMI)
2659         if ((rk_fb->disp_mode == ONE_DUAL) &&
2660             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2661                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2662         } else
2663 #endif
2664         {
2665                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2666         }
2667         return 0;
2668 }
2669
2670 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2671 {
2672         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2673             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2674             ((16 != var->bits_per_pixel) &&
2675             (32 != var->bits_per_pixel) &&
2676             (24 != var->bits_per_pixel))) {
2677                 dev_err(info->dev, "%s check var fail 1:\n"
2678                         "xres_vir:%d>>yres_vir:%d\n"
2679                         "xres:%d>>yres:%d\n"
2680                         "bits_per_pixel:%d\n",
2681                         info->fix.id,
2682                         var->xres_virtual,
2683                         var->yres_virtual,
2684                         var->xres, var->yres, var->bits_per_pixel);
2685                 return -EINVAL;
2686         }
2687
2688         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2689             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2690                 dev_err(info->dev, "%s check_var fail 2:\n"
2691                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2692                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2693                         info->fix.id,
2694                         var->xoffset,
2695                         var->xres,
2696                         var->xres_virtual,
2697                         var->yoffset, var->yres, var->yres_virtual);
2698                 return -EINVAL;
2699         }
2700
2701         return 0;
2702 }
2703
2704 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2705                           size_t count, loff_t *ppos)
2706 {
2707         unsigned long p = *ppos;
2708         u8 *buffer, *dst;
2709         u8 __iomem *src;
2710         int c, cnt = 0, err = 0;
2711         unsigned long total_size;
2712         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2713         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2714         struct rk_lcdc_win *win = NULL;
2715         int win_id = 0;
2716
2717         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2718         if (win_id < 0)
2719                 return -ENODEV;
2720         else
2721                 win = dev_drv->win[win_id];
2722
2723         /* only read the current frame buffer */
2724         if (win->area[0].format == RGB565) {
2725                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2726         } else if ((win->area[0].format == YUV420) ||
2727                    (win->area[0].format == YUV420_NV21)) {
2728                 total_size =
2729                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2730         } else {
2731                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2732         }
2733         if (p >= total_size)
2734                 return 0;
2735
2736         if (count >= total_size)
2737                 count = total_size;
2738
2739         if (count + p > total_size)
2740                 count = total_size - p;
2741
2742         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2743         if (!buffer)
2744                 return -ENOMEM;
2745
2746         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2747
2748         while (count) {
2749                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2750                 dst = buffer;
2751                 fb_memcpy_fromfb(dst, src, c);
2752                 dst += c;
2753                 src += c;
2754
2755                 if (copy_to_user(buf, buffer, c)) {
2756                         err = -EFAULT;
2757                         break;
2758                 }
2759                 *ppos += c;
2760                 buf += c;
2761                 cnt += c;
2762                 count -= c;
2763         }
2764
2765         kfree(buffer);
2766
2767         return (err) ? err : cnt;
2768 }
2769
2770 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2771                            size_t count, loff_t *ppos)
2772 {
2773         unsigned long p = *ppos;
2774         u8 *buffer, *src;
2775         u8 __iomem *dst;
2776         int c, cnt = 0, err = 0;
2777         unsigned long total_size;
2778         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2779         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2780         struct rk_lcdc_win *win = NULL;
2781         int win_id = 0;
2782
2783         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2784         if (win_id < 0)
2785                 return -ENODEV;
2786         else
2787                 win = dev_drv->win[win_id];
2788
2789         /* write the current frame buffer */
2790         if (win->area[0].format == RGB565)
2791                 total_size = win->area[0].xact * win->area[0].yact << 1;
2792         else
2793                 total_size = win->area[0].xact * win->area[0].yact << 2;
2794
2795         if (p > total_size)
2796                 return -EFBIG;
2797
2798         if (count > total_size) {
2799                 err = -EFBIG;
2800                 count = total_size;
2801         }
2802
2803         if (count + p > total_size) {
2804                 if (!err)
2805                         err = -ENOSPC;
2806
2807                 count = total_size - p;
2808         }
2809
2810         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2811         if (!buffer)
2812                 return -ENOMEM;
2813
2814         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2815
2816         while (count) {
2817                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2818                 src = buffer;
2819
2820                 if (copy_from_user(src, buf, c)) {
2821                         err = -EFAULT;
2822                         break;
2823                 }
2824
2825                 fb_memcpy_tofb(dst, src, c);
2826                 dst += c;
2827                 src += c;
2828                 *ppos += c;
2829                 buf += c;
2830                 cnt += c;
2831                 count -= c;
2832         }
2833
2834         kfree(buffer);
2835
2836         return (cnt) ? cnt : err;
2837 }
2838
2839 static int rk_fb_set_par(struct fb_info *info)
2840 {
2841         struct fb_var_screeninfo *var = &info->var;
2842         struct fb_fix_screeninfo *fix = &info->fix;
2843         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2844         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2845         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2846         struct rk_lcdc_win *win = NULL;
2847         struct rk_screen *screen = dev_drv->cur_screen;
2848         int win_id = 0;
2849         u32 cblen = 0, crlen = 0;
2850         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2851         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2852         u32 yoffset = var->yoffset;
2853         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2854         u16 ypos = (var->nonstd >> 20) & 0xfff;
2855         u32 xvir = var->xres_virtual;
2856         u32 yvir = var->yres_virtual;
2857         u8 data_format = var->nonstd & 0xff;
2858         u8 fb_data_fmt;
2859         u8 pixel_width;
2860         u32 vir_width_bit;
2861         u32 stride, uv_stride;
2862         u32 stride_32bit_1;
2863         u32 stride_32bit_2;
2864         u16 uv_x_off, uv_y_off, uv_y_act;
2865         u8 is_pic_yuv = 0;
2866         /*var->pixclock = dev_drv->pixclock;*/
2867         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2868         if (win_id < 0)
2869                 return -ENODEV;
2870         else
2871                 win = dev_drv->win[win_id];
2872
2873         /* if the application has specific the horizontal and vertical display size */
2874         if (var->grayscale >> 8) {
2875                 xsize = (var->grayscale >> 8) & 0xfff;
2876                 ysize = (var->grayscale >> 20) & 0xfff;
2877                 if (xsize > screen->mode.xres)
2878                         xsize = screen->mode.xres;
2879                 if (ysize > screen->mode.yres)
2880                         ysize = screen->mode.yres;
2881         } else {                /*ohterwise  full  screen display */
2882                 xsize = screen->mode.xres;
2883                 ysize = screen->mode.yres;
2884         }
2885
2886         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2887         if (fb_data_fmt >= FBDC_RGB_565) {
2888                 win->area[0].fbdc_en = 1;
2889                 win->area[0].fbdc_cor_en = 1;
2890         } else {
2891                 win->area[0].fbdc_en = 0;
2892                 win->area[0].fbdc_cor_en = 0;
2893         }
2894         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2895         vir_width_bit = pixel_width * xvir;
2896         /* pixel_width = byte_num * 8 */
2897         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2898         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2899
2900         switch (fb_data_fmt) {
2901         case YUV422:
2902         case YUV422_A:
2903                 is_pic_yuv = 1;
2904                 stride = stride_32bit_1;
2905                 uv_stride = stride_32bit_1 >> 1;
2906                 uv_x_off = xoffset >> 1;
2907                 uv_y_off = yoffset;
2908                 fix->line_length = stride;
2909                 cblen = crlen = (xvir * yvir) >> 1;
2910                 uv_y_act = win->area[0].yact >> 1;
2911                 break;
2912         case YUV420:            /* nv12 */
2913         case YUV420_NV21:       /* nv21 */
2914         case YUV420_A:
2915                 is_pic_yuv = 1;
2916                 stride = stride_32bit_1;
2917                 uv_stride = stride_32bit_1;
2918                 uv_x_off = xoffset;
2919                 uv_y_off = yoffset >> 1;
2920                 fix->line_length = stride;
2921                 cblen = crlen = (xvir * yvir) >> 2;
2922                 uv_y_act = win->area[0].yact >> 1;
2923                 break;
2924         case YUV444:
2925         case YUV444_A:
2926                 is_pic_yuv = 1;
2927                 stride = stride_32bit_1;
2928                 uv_stride = stride_32bit_2;
2929                 uv_x_off = xoffset * 2;
2930                 uv_y_off = yoffset;
2931                 fix->line_length = stride << 2;
2932                 cblen = crlen = (xvir * yvir);
2933                 uv_y_act = win->area[0].yact;
2934                 break;
2935         default:
2936                 stride = stride_32bit_1;        /* default rgb */
2937                 fix->line_length = stride;
2938                 break;
2939         }
2940
2941         win->area[0].format = fb_data_fmt;
2942         win->area[0].y_vir_stride = stride >> 2;
2943         win->area[0].uv_vir_stride = uv_stride >> 2;
2944         win->area[0].xpos = xpos;
2945         win->area[0].ypos = ypos;
2946         win->area[0].xsize = xsize;
2947         win->area[0].ysize = ysize;
2948         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2949         win->area[0].yact = var->yres;
2950         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2951         win->area[0].yvir = var->yres_virtual;
2952         win->area[0].xoff = xoffset;
2953         win->area[0].yoff = yoffset;
2954
2955         win->area_num = 1;
2956         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2957         win->alpha_en = ((win->area[0].format == ARGB888) ||
2958                          (win->area[0].format == FBDC_ARGB_888) ||
2959                          (win->area[0].format == FBDC_ABGR_888) ||
2960                          (win->area[0].format == ABGR888)) ? 1 : 0;
2961         win->g_alpha_val = 0;
2962
2963         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2964             (win->area[0].format == YUV420 ||
2965              win->area[0].format == YUV420_NV21 ||
2966              win->area[0].format == YUV420_A)) {
2967                 win->state = 1;
2968                 win->z_order = 0;
2969         }
2970         dev_drv->ops->set_par(dev_drv, win_id);
2971
2972         return 0;
2973 }
2974
2975 static inline unsigned int chan_to_field(unsigned int chan,
2976                                          struct fb_bitfield *bf)
2977 {
2978         chan &= 0xffff;
2979         chan >>= 16 - bf->length;
2980         return chan << bf->offset;
2981 }
2982
2983 static int fb_setcolreg(unsigned regno,
2984                         unsigned red, unsigned green, unsigned blue,
2985                         unsigned transp, struct fb_info *info)
2986 {
2987         unsigned int val;
2988
2989         switch (info->fix.visual) {
2990         case FB_VISUAL_TRUECOLOR:
2991                 /* true-colour, use pseudo-palette */
2992                 if (regno < 16) {
2993                         u32 *pal = info->pseudo_palette;
2994                         val = chan_to_field(red, &info->var.red);
2995                         val |= chan_to_field(green, &info->var.green);
2996                         val |= chan_to_field(blue, &info->var.blue);
2997                         pal[regno] = val;
2998                 }
2999                 break;
3000         default:
3001                 return -1;      /* unknown type */
3002         }
3003
3004         return 0;
3005 }
3006
3007 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3008 {
3009         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3010         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3011         struct ion_handle *handle = fb_par->ion_hdl;
3012         struct dma_buf *dma_buf = NULL;
3013
3014         if (IS_ERR_OR_NULL(handle)) {
3015                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3016                         PTR_ERR(handle));
3017                 return -ENOMEM;
3018         }
3019         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3020         if (IS_ERR_OR_NULL(dma_buf)) {
3021                 printk("get ion share dma buf failed\n");
3022                 return -ENOMEM;
3023         }
3024
3025         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3026
3027         return dma_buf_mmap(dma_buf, vma, 0);
3028 }
3029
3030 static struct fb_ops fb_ops = {
3031         .owner = THIS_MODULE,
3032         .fb_open = rk_fb_open,
3033         .fb_release = rk_fb_close,
3034         .fb_check_var = rk_fb_check_var,
3035         .fb_set_par = rk_fb_set_par,
3036         .fb_blank = rk_fb_blank,
3037         .fb_ioctl = rk_fb_ioctl,
3038         .fb_compat_ioctl = rk_fb_ioctl,
3039         .fb_pan_display = rk_fb_pan_display,
3040         .fb_read = rk_fb_read,
3041         .fb_write = rk_fb_write,
3042         .fb_setcolreg = fb_setcolreg,
3043         .fb_fillrect = cfb_fillrect,
3044         .fb_copyarea = cfb_copyarea,
3045         .fb_imageblit = cfb_imageblit,
3046 };
3047
3048 static struct fb_var_screeninfo def_var = {
3049 #if defined(CONFIG_LOGO_LINUX_BMP)
3050         .red = {16, 8, 0},
3051         .green = {8, 8, 0},
3052         .blue = {0, 8, 0},
3053         .transp = {0, 0, 0},
3054         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3055 #else
3056         .red = {11, 5, 0},
3057         .green = {5, 6, 0},
3058         .blue = {0, 5, 0},
3059         .transp = {0, 0, 0},
3060         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3061 #endif
3062         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3063         .activate = FB_ACTIVATE_NOW,
3064         .accel_flags = 0,
3065         .vmode = FB_VMODE_NONINTERLACED,
3066 };
3067
3068 static struct fb_fix_screeninfo def_fix = {
3069         .type = FB_TYPE_PACKED_PIXELS,
3070         .type_aux = 0,
3071         .xpanstep = 1,
3072         .ypanstep = 1,
3073         .ywrapstep = 0,
3074         .accel = FB_ACCEL_NONE,
3075         .visual = FB_VISUAL_TRUECOLOR,
3076
3077 };
3078
3079 static int rk_fb_wait_for_vsync_thread(void *data)
3080 {
3081         struct rk_lcdc_driver *dev_drv = data;
3082         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3083         struct fb_info *fbi = rk_fb->fb[0];
3084
3085         while (!kthread_should_stop()) {
3086                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3087                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3088                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3089                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3090
3091                 if (!ret)
3092                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3093         }
3094
3095         return 0;
3096 }
3097
3098 static ssize_t rk_fb_vsync_show(struct device *dev,
3099                                 struct device_attribute *attr, char *buf)
3100 {
3101         struct fb_info *fbi = dev_get_drvdata(dev);
3102         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3103         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3104         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3105                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3106 }
3107
3108 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3109
3110 /*
3111  * this two function is for other module that in the kernel which
3112  * need show image directly through fb
3113  * fb_id:we have 4 fb here,default we use fb0 for ui display
3114  */
3115 struct fb_info *rk_get_fb(int fb_id)
3116 {
3117         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3118         struct fb_info *fb = inf->fb[fb_id];
3119         return fb;
3120 }
3121 EXPORT_SYMBOL(rk_get_fb);
3122
3123 void rk_direct_fb_show(struct fb_info *fbi)
3124 {
3125         rk_fb_set_par(fbi);
3126         rk_fb_pan_display(&fbi->var, fbi);
3127 }
3128 EXPORT_SYMBOL(rk_direct_fb_show);
3129
3130 int rk_fb_dpi_open(bool open)
3131 {
3132         struct rk_lcdc_driver *dev_drv = NULL;
3133         dev_drv = rk_get_prmry_lcdc_drv();
3134
3135         if (dev_drv->ops->dpi_open)
3136                 dev_drv->ops->dpi_open(dev_drv, open);
3137         return 0;
3138 }
3139
3140 int rk_fb_dpi_win_sel(int win_id)
3141 {
3142         struct rk_lcdc_driver *dev_drv = NULL;
3143         dev_drv = rk_get_prmry_lcdc_drv();
3144
3145         if (dev_drv->ops->dpi_win_sel)
3146                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3147         return 0;
3148 }
3149
3150 int rk_fb_dpi_status(void)
3151 {
3152         int ret = 0;
3153         struct rk_lcdc_driver *dev_drv = NULL;
3154
3155         dev_drv = rk_get_prmry_lcdc_drv();
3156         if (dev_drv->ops->dpi_status)
3157                 ret = dev_drv->ops->dpi_status(dev_drv);
3158
3159         return ret;
3160 }
3161
3162 /*
3163  * function: this function will be called by display device, enable/disable lcdc
3164  * @screen: screen timing to be set to lcdc
3165  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3166  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3167  */
3168 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3169 {
3170         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3171         struct fb_info *info = NULL;
3172         struct rk_fb_par *fb_par = NULL;
3173         struct rk_lcdc_driver *dev_drv = NULL;
3174         char name[6] = {0};
3175         int i, win_id, load_screen = 0;
3176         char *envp[3];
3177
3178         if (unlikely(!rk_fb) || unlikely(!screen))
3179                 return -ENODEV;
3180
3181         /* get lcdc driver */
3182         sprintf(name, "lcdc%d", lcdc_id);
3183         if (rk_fb->disp_mode != DUAL)
3184                 dev_drv = rk_fb->lcdc_dev_drv[0];
3185         else
3186                 dev_drv = rk_get_lcdc_drv(name);
3187
3188         if (dev_drv == NULL) {
3189                 printk(KERN_ERR "%s driver not found!", name);
3190                 return -ENODEV;
3191         }
3192         if (screen->type == SCREEN_HDMI)
3193                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3194                         dev_drv->id);
3195         else if (screen->type == SCREEN_TVOUT ||
3196                      screen->type == SCREEN_TVOUT_TEST )
3197                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3198                         dev_drv->id);
3199         if (enable == 2 /*&& dev_drv->enable*/)
3200                 return 0;
3201         hdmi_switch_state = 0;
3202         dev_drv->hdmi_switch = 1;
3203
3204         envp[0] = "switch screen";
3205         envp[1] = kmalloc(32, GFP_KERNEL);
3206         if (envp[1] == NULL)
3207                 return 0;
3208         sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3209         envp[2] = NULL;
3210
3211         if ((rk_fb->disp_mode == ONE_DUAL) ||
3212             (rk_fb->disp_mode == NO_DUAL)) {
3213                 if ((dev_drv->ops->backlight_close) &&
3214                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3215                         dev_drv->ops->backlight_close(dev_drv, 1);
3216                 if (dev_drv->ops->dsp_black)
3217                         dev_drv->ops->dsp_black(dev_drv, 1);
3218                 if ((dev_drv->ops->set_screen_scaler) &&
3219                     (rk_fb->disp_mode == ONE_DUAL))
3220                         dev_drv->ops->set_screen_scaler(dev_drv,
3221                                                         dev_drv->screen0, 0);
3222         }
3223         if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3224                dev_drv->uboot_logo = 0;
3225         if (!enable) {
3226                 /* if screen type is different, we do not disable lcdc. */
3227                 if (dev_drv->cur_screen->type != screen->type) {
3228                         dev_drv->hdmi_switch = 0;
3229                         return 0;
3230                 }
3231
3232                 /* if used one lcdc to dual disp, no need to close win */
3233                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3234                     ((rk_fb->disp_mode == NO_DUAL) &&
3235                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3236                         dev_drv->cur_screen = dev_drv->screen0;
3237                         dev_drv->ops->load_screen(dev_drv, 1);
3238                         /* force modify dsp size */
3239                         info = rk_fb->fb[dev_drv->fb_index_base];
3240                         info->var.grayscale &= 0xff;
3241                         info->var.grayscale |=
3242                                 (dev_drv->cur_screen->mode.xres << 8) +
3243                                 (dev_drv->cur_screen->mode.yres << 20);
3244                         mutex_lock(&dev_drv->win_config);
3245                         info->var.yoffset = 0;
3246                         info->fbops->fb_set_par(info);
3247                         info->fbops->fb_pan_display(&info->var, info);
3248                         mutex_unlock(&dev_drv->win_config);
3249
3250                         /*if (dev_drv->ops->dsp_black)
3251                                 dev_drv->ops->dsp_black(dev_drv, 0);*/
3252                         if ((dev_drv->ops->backlight_close) &&
3253                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3254                                 dev_drv->ops->backlight_close(dev_drv, 0);
3255                 } else if (rk_fb->num_lcdc > 1) {
3256                         /* If there is more than one lcdc device, we disable
3257                            the layer which attached to this device */
3258                         dev_drv->suspend_flag = 1;
3259                         flush_kthread_worker(&dev_drv->update_regs_worker);
3260                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3261                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3262                                         dev_drv->ops->open(dev_drv, i, 0);
3263                         }
3264                 }
3265                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3266                 kfree(envp[1]);
3267
3268                 hdmi_switch_state = 0;
3269                 dev_drv->hdmi_switch = 0;
3270                 return 0;
3271         } else {
3272                 if (dev_drv->screen1)
3273                         dev_drv->cur_screen = dev_drv->screen1;
3274
3275                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3276                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3277                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3278                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3279                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3280         }
3281         if ((!dev_drv->uboot_logo) ||
3282             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3283                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3284                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3285                         fb_par = (struct rk_fb_par *)info->par;
3286                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3287                         if (dev_drv->win[win_id]) {
3288                                 if (fb_par->state) {
3289                                         if (!dev_drv->win[win_id]->state) {
3290                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3291                                                 dev_drv->suspend_flag = 0;
3292                                         }
3293                                         if (!load_screen) {
3294                                                 dev_drv->ops->load_screen(dev_drv, 1);
3295                                                 load_screen = 1;
3296                                         }
3297                                         info->var.activate |= FB_ACTIVATE_FORCE;
3298                                         if (rk_fb->disp_mode == ONE_DUAL) {
3299                                                 info->var.grayscale &= 0xff;
3300                                                 info->var.grayscale |=
3301                                                         (dev_drv->cur_screen->xsize << 8) +
3302                                                         (dev_drv->cur_screen->ysize << 20);
3303                                         }
3304
3305                                         mutex_lock(&dev_drv->win_config);
3306                                         info->var.yoffset = 0;
3307                                         info->fbops->fb_set_par(info);
3308                                         info->fbops->fb_pan_display(&info->var, info);
3309                                         mutex_unlock(&dev_drv->win_config);
3310                                 }
3311                         }
3312                 }
3313         }else {
3314                 dev_drv->uboot_logo = 0;
3315         }
3316         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3317         kfree(envp[1]);
3318
3319         hdmi_switch_state = 1;
3320         dev_drv->hdmi_switch = 0;
3321         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3322                 if ((dev_drv->ops->set_screen_scaler) &&
3323                     (rk_fb->disp_mode == ONE_DUAL))
3324                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3325                 /*if (dev_drv->ops->dsp_black)
3326                         dev_drv->ops->dsp_black(dev_drv, 0);*/
3327                 if ((dev_drv->ops->backlight_close) &&
3328                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3329                     (rk_fb->disp_mode == ONE_DUAL))
3330                         dev_drv->ops->backlight_close(dev_drv, 0);
3331         }
3332         return 0;
3333 }
3334
3335 /*
3336  * function:this function current only called by hdmi for
3337  *      scale the display
3338  * scale_x: scale rate of x resolution
3339  * scale_y: scale rate of y resolution
3340  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3341  */
3342 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3343 {
3344         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3345         struct fb_info *info = NULL;
3346         struct fb_info *pmy_info = NULL;
3347         struct fb_var_screeninfo *var = NULL;
3348         struct rk_lcdc_driver *dev_drv = NULL;
3349         u16 screen_x, screen_y;
3350         u16 xpos, ypos;
3351         char name[6];
3352         struct rk_screen primary_screen;
3353         rk_fb_get_prmry_screen(&primary_screen);
3354         if (primary_screen.type == SCREEN_HDMI) {
3355                 return 0;
3356         }
3357         pr_err("fuck not be hear--%s\n",__func__);
3358
3359         return 0;
3360         sprintf(name, "lcdc%d", lcdc_id);
3361
3362         if (inf->disp_mode == DUAL) {
3363                 dev_drv = rk_get_lcdc_drv(name);
3364                 if (dev_drv == NULL) {
3365                         printk(KERN_ERR "%s driver not found!", name);
3366                         return -ENODEV;
3367                 }
3368         } else {
3369                 dev_drv = inf->lcdc_dev_drv[0];
3370         }
3371
3372         if (inf->num_lcdc == 1) {
3373                 info = inf->fb[0];
3374         } else if (inf->num_lcdc == 2) {
3375                 info = inf->fb[dev_drv->lcdc_win_num];
3376                 pmy_info = inf->fb[0];
3377         }
3378
3379         var = &info->var;
3380         screen_x = dev_drv->cur_screen->mode.xres;
3381         screen_y = dev_drv->cur_screen->mode.yres;
3382
3383         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3384                 dev_drv->cur_screen->xpos =
3385                     (screen_x - screen_x * scale_x / 100) >> 1;
3386                 dev_drv->cur_screen->ypos =
3387                     (screen_y - screen_y * scale_y / 100) >> 1;
3388                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3389                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3390         } else {
3391                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3392                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3393                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3394                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3395                 if (inf->disp_mode == ONE_DUAL) {
3396                         var->nonstd &= 0xff;
3397                         var->nonstd |= (xpos << 8) + (ypos << 20);
3398                         var->grayscale &= 0xff;
3399                         var->grayscale |=
3400                                 (dev_drv->cur_screen->xsize << 8) +
3401                                 (dev_drv->cur_screen->ysize << 20);
3402                 }
3403         }
3404
3405         mutex_lock(&dev_drv->win_config);
3406         info->fbops->fb_set_par(info);
3407         dev_drv->ops->cfg_done(dev_drv);
3408         mutex_unlock(&dev_drv->win_config);
3409
3410         return 0;
3411 }
3412
3413 #if defined(CONFIG_ION_ROCKCHIP)
3414 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3415                                      struct rk_lcdc_win *win,
3416                                      unsigned long fb_mem_size)
3417 {
3418         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3419         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3420         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3421         struct ion_handle *handle;
3422         ion_phys_addr_t phy_addr;
3423         size_t len;
3424         int ret = 0;
3425
3426         if (dev_drv->iommu_enabled)
3427                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3428                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3429         else
3430                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3431                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3432         if (IS_ERR(handle)) {
3433                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3434                         PTR_ERR(handle));
3435                 return -ENOMEM;
3436         }
3437
3438         fb_par->ion_hdl = handle;
3439         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3440         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3441                 printk("ion_share_dma_buf() failed\n");
3442                 goto err_share_dma_buf;
3443         }
3444         win->area[0].ion_hdl = handle;
3445         if (dev_drv->prop == PRMRY)
3446                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3447 #ifdef CONFIG_ROCKCHIP_IOMMU
3448         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3449                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3450                                         (unsigned long *)&phy_addr,
3451                                         (unsigned long *)&len);
3452         else
3453                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3454 #else
3455         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3456 #endif
3457         if (ret < 0) {
3458                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3459                 goto err_share_dma_buf;
3460         }
3461         fbi->fix.smem_start = phy_addr;
3462         fbi->fix.smem_len = len;
3463         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3464         return 0;
3465
3466 err_share_dma_buf:
3467         ion_free(rk_fb->ion_client, handle);
3468         return -ENOMEM;
3469 }
3470 #endif
3471
3472 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3473 {
3474         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3475         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3476         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3477         struct rk_lcdc_win *win = NULL;
3478         int win_id;
3479         int ret = 0;
3480         unsigned long fb_mem_size;
3481 #if !defined(CONFIG_ION_ROCKCHIP)
3482         dma_addr_t fb_mem_phys;
3483         void *fb_mem_virt;
3484 #endif
3485
3486         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3487         if (win_id < 0)
3488                 return -ENODEV;
3489         else
3490                 win = dev_drv->win[win_id];
3491
3492         if (!strcmp(fbi->fix.id, "fb0")) {
3493                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3494 #if defined(CONFIG_ION_ROCKCHIP)
3495                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3496                         return -ENOMEM;
3497 #else
3498                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3499                                                      &fb_mem_phys, GFP_KERNEL);
3500                 if (!fb_mem_virt) {
3501                         pr_err("%s: Failed to allocate framebuffer\n",
3502                                __func__);
3503                         return -ENOMEM;
3504                 }
3505                 fbi->fix.smem_len = fb_mem_size;
3506                 fbi->fix.smem_start = fb_mem_phys;
3507                 fbi->screen_base = fb_mem_virt;
3508 #endif
3509                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3510         } else {
3511                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3512                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3513                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3514         }
3515
3516         fbi->screen_size = fbi->fix.smem_len;
3517         fb_par->fb_phy_base = fbi->fix.smem_start;
3518         fb_par->fb_virt_base = fbi->screen_base;
3519         fb_par->fb_size = fbi->fix.smem_len;
3520
3521         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3522                        fbi->fix.smem_start, fbi->screen_base,
3523                        fbi->fix.smem_len);
3524         return ret;
3525 }
3526
3527 #if 0
3528 static int rk_release_fb_buffer(struct fb_info *fbi)
3529 {
3530         /* buffer for fb1 and fb3 are alloc by android */
3531         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3532                 return 0;
3533         iounmap(fbi->screen_base);
3534         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3535         return 0;
3536 }
3537 #endif
3538
3539 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3540                          struct rk_lcdc_win *def_win)
3541 {
3542         int i;
3543         int lcdc_win_num = dev_drv->lcdc_win_num;
3544
3545         for (i = 0; i < lcdc_win_num; i++) {
3546                 struct rk_lcdc_win *win = NULL;
3547                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3548                 if (!win) {
3549                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3550                         return -ENOMEM;
3551                 }
3552
3553                 strcpy(win->name, def_win[i].name);
3554                 win->id = def_win[i].id;
3555                 win->support_3d = def_win[i].support_3d;
3556                 dev_drv->win[i] = win;
3557         }
3558
3559         return 0;
3560 }
3561
3562 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3563                                    struct rk_lcdc_win *def_win, int index)
3564 {
3565         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3566         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3567                                                 sizeof(struct rk_screen),
3568                                                 GFP_KERNEL);
3569
3570         if (!screen) {
3571                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3572                         dev_drv->id);
3573                 return -ENOMEM;
3574         }
3575
3576         screen->screen_id = 0;
3577         screen->lcdc_id = dev_drv->id;
3578         screen->overscan.left = 100;
3579         screen->overscan.top = 100;
3580         screen->overscan.right = 100;
3581         screen->overscan.bottom = 100;
3582
3583         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3584         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3585
3586         dev_drv->screen0 = screen;
3587         dev_drv->cur_screen = screen;
3588         /* devie use one lcdc + rk61x scaler for dual display */
3589         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3590                 struct rk_screen *screen1 =
3591                                 devm_kzalloc(dev_drv->dev,
3592                                              sizeof(struct rk_screen),
3593                                              GFP_KERNEL);
3594                 if (!screen1) {
3595                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3596                                 dev_drv->id);
3597                         return -ENOMEM;
3598                 }
3599                 screen1->screen_id = 1;
3600                 screen1->lcdc_id = 1;
3601                 dev_drv->screen1 = screen1;
3602         }
3603         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3604         init_lcdc_win(dev_drv, def_win);
3605         init_completion(&dev_drv->frame_done);
3606         spin_lock_init(&dev_drv->cpl_lock);
3607         mutex_init(&dev_drv->fb_win_id_mutex);
3608         mutex_init(&dev_drv->win_config);
3609         mutex_init(&dev_drv->front_lock);
3610         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3611         dev_drv->first_frame = 1;
3612         dev_drv->overscan.left = 100;
3613         dev_drv->overscan.top = 100;
3614         dev_drv->overscan.right = 100;
3615         dev_drv->overscan.bottom = 100;
3616         rk_disp_pwr_ctr_parse_dt(dev_drv);
3617         if (dev_drv->prop == PRMRY) {
3618                 rk_fb_set_prmry_screen(screen);
3619                 rk_fb_get_prmry_screen(screen);
3620         }
3621         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3622         if (dev_drv->prop != PRMRY)
3623                 rk_fb_get_prmry_screen(screen);
3624         dev_drv->output_color = screen->color_mode;
3625
3626         return 0;
3627 }
3628
3629 #ifdef CONFIG_LOGO_LINUX_BMP
3630 static struct linux_logo *bmp_logo;
3631 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3632 {
3633         bmp_logo = fb_find_logo(24);
3634         if (bmp_logo == NULL) {
3635                 printk(KERN_INFO "%s error\n", __func__);
3636                 return 0;
3637         }
3638         return 1;
3639 }
3640
3641 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3642 {
3643         unsigned char *src = bmp_logo->data;
3644         unsigned char *dst = info->screen_base;
3645         int i;
3646         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3647         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3648
3649         for (i = 0; i < Needheight; i++)
3650                 memcpy(dst + info->var.xres * i * 4,
3651                        src + bmp_logo->width * i * 4, Needwidth * 4);
3652 }
3653 #endif
3654
3655 /*
3656  * check if the primary lcdc has registerd,
3657  * the primary lcdc mas register first
3658  */
3659 bool is_prmry_rk_lcdc_registered(void)
3660 {
3661         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3662
3663         if (rk_fb->lcdc_dev_drv[0])
3664                 return true;
3665         else
3666                 return false;
3667 }
3668
3669 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3670                    struct rk_lcdc_win *win, int id)
3671 {
3672         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3673         struct fb_info *fbi;
3674         struct rk_fb_par *fb_par = NULL;
3675         int i = 0, ret = 0, index = 0;
3676
3677         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3678                 return -ENXIO;
3679
3680         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3681                 if (!rk_fb->lcdc_dev_drv[i]) {
3682                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3683                         rk_fb->lcdc_dev_drv[i]->id = id;
3684                         rk_fb->num_lcdc++;
3685                         break;
3686                 }
3687         }
3688
3689         index = i;
3690         init_lcdc_device_driver(rk_fb, win, index);
3691         dev_drv->fb_index_base = rk_fb->num_fb;
3692         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3693                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3694                 if (!fbi) {
3695                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3696                         ret = -ENOMEM;
3697                 }
3698                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3699                                       GFP_KERNEL);
3700                 if (!fb_par) {
3701                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3702                                 rk_fb->num_fb);
3703                         return -ENOMEM;
3704                 }
3705                 fb_par->id = rk_fb->num_fb;
3706                 fb_par->lcdc_drv = dev_drv;
3707                 fbi->par = (void *)fb_par;
3708                 fbi->var = def_var;
3709                 fbi->fix = def_fix;
3710                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3711                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3712                 fbi->var.grayscale |=
3713                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3714 #if defined(CONFIG_LOGO_LINUX_BMP)
3715                 fbi->var.bits_per_pixel = 32;
3716 #else
3717                 fbi->var.bits_per_pixel = 16;
3718 #endif
3719                 fbi->fix.line_length =
3720                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3721                 fbi->var.width = dev_drv->cur_screen->width;
3722                 fbi->var.height = dev_drv->cur_screen->height;
3723                 if (dev_drv->iommu_enabled)
3724                         fb_ops.fb_mmap = rk_fb_mmap;
3725                 fbi->fbops = &fb_ops;
3726                 fbi->flags = FBINFO_FLAG_DEFAULT;
3727                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3728                 ret = register_framebuffer(fbi);
3729                 if (ret < 0) {
3730                         dev_err(&fb_pdev->dev,
3731                                 "%s fb%d register_framebuffer fail!\n",
3732                                 __func__, rk_fb->num_fb);
3733                         return ret;
3734                 }
3735                 rkfb_create_sysfs(fbi);
3736                 rk_fb->fb[rk_fb->num_fb] = fbi;
3737                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3738                          fbi->fix.id);
3739                 rk_fb->num_fb++;
3740
3741                 if (i == 0) {
3742                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3743                         init_waitqueue_head(&dev_drv->update_regs_wait);
3744                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3745                         if (ret)
3746                                 dev_err(fbi->dev,
3747                                         "failed to create vsync file\n");
3748                         dev_drv->vsync_info.thread =
3749                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3750                                         "fb-vsync");
3751                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3752                                 dev_err(fbi->dev,
3753                                         "failed to run vsync thread\n");
3754                                 dev_drv->vsync_info.thread = NULL;
3755                         }
3756                         dev_drv->vsync_info.active = 1;
3757
3758                         mutex_init(&dev_drv->output_lock);
3759
3760                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3761                         mutex_init(&dev_drv->update_regs_list_lock);
3762                         init_kthread_worker(&dev_drv->update_regs_worker);
3763
3764                         dev_drv->update_regs_thread =
3765                             kthread_run(kthread_worker_fn,
3766                                         &dev_drv->update_regs_worker, "rk-fb");
3767                         if (IS_ERR(dev_drv->update_regs_thread)) {
3768                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3769                                 dev_drv->update_regs_thread = NULL;
3770
3771                                 printk("failed to run update_regs thread\n");
3772                                 return err;
3773                         }
3774                         init_kthread_work(&dev_drv->update_regs_work,
3775                                           rk_fb_update_regs_handler);
3776
3777                         dev_drv->timeline =
3778                             sw_sync_timeline_create("fb-timeline");
3779                         dev_drv->timeline_max = 1;
3780                 }
3781         }
3782
3783         /* show logo for primary display device */
3784 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3785         if (dev_drv->prop == PRMRY) {
3786                 u16 xact, yact;
3787                 int format;
3788                 u32 dsp_addr;
3789                 struct fb_info *main_fbi = rk_fb->fb[0];
3790                 main_fbi->fbops->fb_open(main_fbi, 1);
3791                 main_fbi->var.pixclock = dev_drv->pixclock;
3792 #if defined(CONFIG_ROCKCHIP_IOMMU)
3793                 if (dev_drv->iommu_enabled) {
3794                         if (dev_drv->mmu_dev)
3795                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3796                                                 rk_fb_sysmmu_fault_handler);
3797                 }
3798 #endif
3799
3800                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
3801                 dev_drv->uboot_logo = support_uboot_display();
3802
3803                 if (dev_drv->uboot_logo &&
3804                     uboot_logo_offset && uboot_logo_base) {
3805                         int width, height, bits;
3806                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3807                         unsigned int size = uboot_logo_size - uboot_logo_offset;
3808                         unsigned int nr_pages;
3809                         struct page **pages;
3810                         char *vaddr;
3811                         int i = 0;
3812
3813                         if (dev_drv->ops->get_dspbuf_info)
3814                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3815                                         &yact, &format, &dsp_addr);
3816                         nr_pages = size >> PAGE_SHIFT;
3817                         pages = kzalloc(sizeof(struct page) * nr_pages,
3818                                         GFP_KERNEL);
3819                         while (i < nr_pages) {
3820                                 pages[i] = phys_to_page(start);
3821                                 start += PAGE_SIZE;
3822                                 i++;
3823                         }
3824                         vaddr = vmap(pages, nr_pages, VM_MAP,
3825                                         pgprot_writecombine(PAGE_KERNEL));
3826                         if (!vaddr) {
3827                                 pr_err("failed to vmap phy addr 0x%lx\n",
3828                                        (long)(uboot_logo_base +
3829                                        uboot_logo_offset));
3830                                 return -1;
3831                         }
3832
3833                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3834                                       &height, &bits)) {
3835                                 kfree(pages);
3836                                 vunmap(vaddr);
3837                                 return 0;
3838                         }
3839                         kfree(pages);
3840                         vunmap(vaddr);
3841                         if (dev_drv->uboot_logo &&
3842                             (width != xact || height != yact)) {
3843                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3844                                         xact, yact, width, height);
3845                                 return 0;
3846                         }
3847
3848                         if (dev_drv->ops->post_dspbuf) {
3849                                 dev_drv->ops->post_dspbuf(dev_drv,
3850                                         main_fbi->fix.smem_start,
3851                                         rk_fb_data_fmt(0, bits),
3852                                         width, height, width * bits >> 5);
3853                         }
3854                         if (dev_drv->iommu_enabled) {
3855                                 rk_fb_poll_wait_frame_complete();
3856                                 if (dev_drv->ops->mmu_en)
3857                                         dev_drv->ops->mmu_en(dev_drv);
3858                                 freed_index = 0;
3859                         }
3860
3861                         return 0;
3862                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3863                         u32 start = uboot_logo_base;
3864                         u32 start_base = start;
3865                         int logo_len, i=0;
3866                         unsigned int nr_pages;
3867                         struct page **pages;
3868                         char *vaddr;
3869
3870                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3871                                                       &yact, &format,
3872                                                       &start);
3873                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3874                         if (logo_len > uboot_logo_size ||
3875                             logo_len > main_fbi->fix.smem_len) {
3876                                 pr_err("logo size > uboot reserve buffer size\n");
3877                                 return -1;
3878                         }
3879
3880                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
3881                         pages = kzalloc(sizeof(struct page) * nr_pages,
3882                                         GFP_KERNEL);
3883                         while (i < nr_pages) {
3884                                 pages[i] = phys_to_page(start);
3885                                 start += PAGE_SIZE;
3886                                 i++;
3887                         }
3888                         vaddr = vmap(pages, nr_pages, VM_MAP,
3889                                         pgprot_writecombine(PAGE_KERNEL));
3890                         if (!vaddr) {
3891                                 pr_err("failed to vmap phy addr 0x%x\n",
3892                                        start_base);
3893                                 return -1;
3894                         }
3895
3896                         memcpy(main_fbi->screen_base, vaddr, logo_len);
3897
3898                         kfree(pages);
3899                         vunmap(vaddr);
3900
3901                         dev_drv->ops->post_dspbuf(dev_drv,
3902                                         main_fbi->fix.smem_start,
3903                                         format, xact, yact,
3904                                         xact * rk_fb_pixel_width(format) >> 5);
3905                         if (dev_drv->iommu_enabled) {
3906                                 rk_fb_poll_wait_frame_complete();
3907                                 if (dev_drv->ops->mmu_en)
3908                                         dev_drv->ops->mmu_en(dev_drv);
3909                                 freed_index = 0;
3910                         }
3911                         return 0;
3912                 } else {
3913                         if (dev_drv->iommu_enabled) {
3914                                 if (dev_drv->ops->mmu_en)
3915                                         dev_drv->ops->mmu_en(dev_drv);
3916                                 freed_index = 0;
3917                         }
3918                 }
3919 #if defined(CONFIG_LOGO)
3920                 main_fbi->fbops->fb_set_par(main_fbi);
3921 #if  defined(CONFIG_LOGO_LINUX_BMP)
3922                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3923                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3924                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3925                 }
3926 #else
3927                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3928                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3929                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3930                 }
3931 #endif
3932                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3933 #endif
3934         } else {
3935                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3936                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3937                 rk_fb_alloc_buffer(extend_fbi);
3938         }
3939 #endif
3940         return 0;
3941 }
3942
3943 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3944 {
3945         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3946         struct fb_info *fbi;
3947         int fb_index_base = dev_drv->fb_index_base;
3948         int fb_num = dev_drv->lcdc_win_num;
3949         int i = 0;
3950
3951         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3952                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3953                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3954         }
3955
3956         for (i = 0; i < fb_num; i++)
3957                 kfree(dev_drv->win[i]);
3958
3959         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3960                 fbi = fb_inf->fb[i];
3961                 unregister_framebuffer(fbi);
3962                 /* rk_release_fb_buffer(fbi); */
3963                 framebuffer_release(fbi);
3964         }
3965         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3966         fb_inf->num_lcdc--;
3967
3968         return 0;
3969 }
3970
3971 static int rk_fb_probe(struct platform_device *pdev)
3972 {
3973         struct rk_fb *rk_fb = NULL;
3974         struct device_node *np = pdev->dev.of_node;
3975         u32 mode;
3976
3977         if (!np) {
3978                 dev_err(&pdev->dev, "Missing device tree node.\n");
3979                 return -EINVAL;
3980         }
3981
3982         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3983         if (!rk_fb) {
3984                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3985                 return -ENOMEM;
3986         }
3987         platform_set_drvdata(pdev, rk_fb);
3988
3989         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3990                 rk_fb->disp_mode = mode;
3991
3992         } else {
3993                 dev_err(&pdev->dev, "no disp-mode node found!");
3994                 return -ENODEV;
3995         }
3996         
3997         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3998                 rk_fb->disp_policy = mode;
3999                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4000         }
4001
4002         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4003                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4004
4005         dev_set_name(&pdev->dev, "rockchip-fb");
4006 #if defined(CONFIG_ION_ROCKCHIP)
4007         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4008         if (IS_ERR(rk_fb->ion_client)) {
4009                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4010                 return PTR_ERR(rk_fb->ion_client);
4011         } else {
4012                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4013         }
4014 #endif
4015
4016         fb_pdev = pdev;
4017         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4018         return 0;
4019 }
4020
4021 static int rk_fb_remove(struct platform_device *pdev)
4022 {
4023         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4024
4025         kfree(rk_fb);
4026         platform_set_drvdata(pdev, NULL);
4027         return 0;
4028 }
4029
4030 static void rk_fb_shutdown(struct platform_device *pdev)
4031 {
4032         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4033         int i;
4034
4035         for (i = 0; i < rk_fb->num_lcdc; i++) {
4036                 if (!rk_fb->lcdc_dev_drv[i])
4037                         continue;
4038         }
4039 }
4040
4041 static const struct of_device_id rkfb_dt_ids[] = {
4042         {.compatible = "rockchip,rk-fb",},
4043         {}
4044 };
4045
4046 static struct platform_driver rk_fb_driver = {
4047         .probe = rk_fb_probe,
4048         .remove = rk_fb_remove,
4049         .driver = {
4050                    .name = "rk-fb",
4051                    .owner = THIS_MODULE,
4052                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4053                    },
4054         .shutdown = rk_fb_shutdown,
4055 };
4056
4057 static int __init rk_fb_init(void)
4058 {
4059         return platform_driver_register(&rk_fb_driver);
4060 }
4061
4062 static void __exit rk_fb_exit(void)
4063 {
4064         platform_driver_unregister(&rk_fb_driver);
4065 }
4066
4067 fs_initcall(rk_fb_init);
4068 module_exit(rk_fb_exit);