rk312x:lcdc: add config output_domain(RGB/YUV) and modify BCSH CSC config
[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 <asm/div64.h>
28 #include <linux/uaccess.h>
29 #include <linux/rk_fb.h>
30 #include <linux/linux_logo.h>
31 #include <linux/dma-mapping.h>
32
33 #if defined(CONFIG_RK_HDMI)
34 #include "hdmi/rk_hdmi.h"
35 #endif
36
37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
38 #include "rga/rga.h"
39 #endif
40
41 #ifdef CONFIG_OF
42 #include <linux/of.h>
43 #include <linux/of_platform.h>
44 #include <linux/of_gpio.h>
45 #include <video/of_display_timing.h>
46 #include <video/display_timing.h>
47 #include <dt-bindings/rkfb/rk_fb.h>
48 #endif
49
50 #if defined(CONFIG_ION_ROCKCHIP)
51 #include <linux/rockchip_ion.h>
52 #include <linux/rockchip-iovmm.h>
53 #include <linux/dma-buf.h>
54 #include <linux/highmem.h>
55 #endif
56
57 #define H_USE_FENCE 1
58 static int hdmi_switch_complete;
59 static struct platform_device *fb_pdev;
60 struct list_head saved_list;
61
62 #if defined(CONFIG_FB_MIRRORING)
63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
64 EXPORT_SYMBOL(video_data_to_mirroring);
65 #endif
66
67 struct rk_fb_reg_win_data g_reg_win_data[4];
68 static int g_last_win_num;
69 static int g_first_buf = 1;
70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
71 static struct rk_fb_trsm_ops *trsm_edp_ops;
72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
73 static int uboot_logo_on;
74 int support_uboot_display(void)
75 {
76         return uboot_logo_on;
77 }
78
79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
80 {
81         switch (type) {
82         case SCREEN_RGB:
83         case SCREEN_LVDS:
84         case SCREEN_DUAL_LVDS:
85                 trsm_lvds_ops = ops;
86                 break;
87         case SCREEN_EDP:
88                 trsm_edp_ops = ops;
89                 break;
90         case SCREEN_MIPI:
91         case SCREEN_DUAL_MIPI:
92                 trsm_mipi_ops = ops;
93                 break;
94         default:
95                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
96                        __func__, type);
97                 break;
98         }
99         return 0;
100 }
101
102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
103 {
104         struct rk_fb_trsm_ops *ops;
105         switch (type) {
106         case SCREEN_RGB:
107         case SCREEN_LVDS:
108         case SCREEN_DUAL_LVDS:
109                 ops = trsm_lvds_ops;
110                 break;
111         case SCREEN_EDP:
112                 ops = trsm_edp_ops;
113                 break;
114         case SCREEN_MIPI:
115         case SCREEN_DUAL_MIPI:
116                 ops = trsm_mipi_ops;
117                 break;
118         default:
119                 ops = NULL;
120                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
121                        __func__, type);
122                 break;
123         }
124         return ops;
125 }
126
127 int rk_fb_pixel_width(int data_format)
128 {
129         int pixel_width;
130         switch (data_format) {
131         case XBGR888:
132         case ABGR888:
133         case ARGB888:
134                 pixel_width = 4 * 8;
135                 break;
136         case RGB888:
137                 pixel_width = 3 * 8;
138                 break;
139         case RGB565:
140                 pixel_width = 2 * 8;
141                 break;
142         case YUV422:
143         case YUV420:
144         case YUV444:
145                 pixel_width = 1 * 8;
146                 break;
147         case YUV422_A:
148         case YUV420_A:
149         case YUV444_A:
150                 pixel_width = 8;
151                 break;
152         default:
153                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
154                        __func__, data_format);
155                 return -EINVAL;
156         }
157         return pixel_width;
158 }
159
160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
161 {
162         int fb_data_fmt;
163         if (data_format) {
164                 switch (data_format) {
165                 case HAL_PIXEL_FORMAT_RGBX_8888:
166                         fb_data_fmt = XBGR888;
167                         break;
168                 case HAL_PIXEL_FORMAT_RGBA_8888:
169                         fb_data_fmt = ABGR888;
170                         break;
171                 case HAL_PIXEL_FORMAT_BGRA_8888:
172                         fb_data_fmt = ARGB888;
173                         break;
174                 case HAL_PIXEL_FORMAT_RGB_888:
175                         fb_data_fmt = RGB888;
176                         break;
177                 case HAL_PIXEL_FORMAT_RGB_565:
178                         fb_data_fmt = RGB565;
179                         break;
180                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
181                         fb_data_fmt = YUV422;
182                         break;
183                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
184                         fb_data_fmt = YUV420;
185                         break;
186                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
187                         fb_data_fmt = YUV444;
188                         break;
189                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
190                         fb_data_fmt = YUV420_A;
191                         break;
192                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
193                         fb_data_fmt = YUV422_A;
194                         break;
195                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
196                         fb_data_fmt = YUV444_A;
197                         break;
198                 default:
199                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
200                                __func__, data_format);
201                         return -EINVAL;
202                 }
203         } else {
204                 switch (bits_per_pixel) {
205                 case 32:
206                         fb_data_fmt = ARGB888;
207                         break;
208                 case 16:
209                         fb_data_fmt = RGB565;
210                         break;
211                 default:
212                         printk(KERN_WARNING
213                                "%s:un supported bits_per_pixel:%d\n", __func__,
214                                bits_per_pixel);
215                         break;
216                 }
217         }
218         return fb_data_fmt;
219 }
220
221 /*
222  * rk display power control parse from dts
223  */
224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
225 {
226         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
227                                                         "power_ctr");
228         struct device_node *child;
229         struct rk_disp_pwr_ctr_list *pwr_ctr;
230         struct list_head *pos;
231         enum of_gpio_flags flags;
232         u32 val = 0;
233         u32 debug = 0;
234         int ret;
235
236         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
237         if (!root) {
238                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
239                         dev_drv->id);
240                 return -ENODEV;
241         }
242
243         for_each_child_of_node(root, child) {
244                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
245                                   GFP_KERNEL);
246                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
247                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
248                         if (val == GPIO) {
249                                 pwr_ctr->pwr_ctr.type = GPIO;
250                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
251                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
252                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
253                                                 child->name);
254                                         return -EINVAL;
255                                 }
256                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
257                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
258                                                    child->name);
259                                 if (ret) {
260                                         dev_err(dev_drv->dev,
261                                                 "request %s gpio fail:%d\n",
262                                                 child->name, ret);
263                                 }
264
265                         } else {
266                                 pwr_ctr->pwr_ctr.type = REGULATOR;
267
268                         }
269                 };
270                 of_property_read_u32(child, "rockchip,delay", &val);
271                 pwr_ctr->pwr_ctr.delay = val;
272                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
273         }
274
275         of_property_read_u32(root, "rockchip,debug", &debug);
276
277         if (debug) {
278                 list_for_each(pos, &dev_drv->pwrlist_head) {
279                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
280                                              list);
281                         printk(KERN_INFO "pwr_ctr_name:%s\n"
282                                "pwr_type:%s\n"
283                                "gpio:%d\n"
284                                "atv_val:%d\n"
285                                "delay:%d\n\n",
286                                pwr_ctr->pwr_ctr.name,
287                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
288                                pwr_ctr->pwr_ctr.gpio,
289                                pwr_ctr->pwr_ctr.atv_val,
290                                pwr_ctr->pwr_ctr.delay);
291                 }
292         }
293
294         return 0;
295
296 }
297
298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
299 {
300         struct list_head *pos;
301         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
302         struct pwr_ctr *pwr_ctr;
303         if (list_empty(&dev_drv->pwrlist_head))
304                 return 0;
305         list_for_each(pos, &dev_drv->pwrlist_head) {
306                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
307                                           list);
308                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
309                 if (pwr_ctr->type == GPIO) {
310                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
311                         mdelay(pwr_ctr->delay);
312                 }
313         }
314
315         return 0;
316 }
317
318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
319 {
320         struct list_head *pos;
321         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
322         struct pwr_ctr *pwr_ctr;
323         if (list_empty(&dev_drv->pwrlist_head))
324                 return 0;
325         list_for_each(pos, &dev_drv->pwrlist_head) {
326                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
327                                           list);
328                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
329                 if (pwr_ctr->type == GPIO)
330                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
331         }
332         return 0;
333 }
334
335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
336                                  struct rk_screen *screen)
337 {
338         screen->mode.pixclock = dt->pixelclock.typ;
339         screen->mode.left_margin = dt->hback_porch.typ;
340         screen->mode.right_margin = dt->hfront_porch.typ;
341         screen->mode.xres = dt->hactive.typ;
342         screen->mode.hsync_len = dt->hsync_len.typ;
343         screen->mode.upper_margin = dt->vback_porch.typ;
344         screen->mode.lower_margin = dt->vfront_porch.typ;
345         screen->mode.yres = dt->vactive.typ;
346         screen->mode.vsync_len = dt->vsync_len.typ;
347         screen->type = dt->screen_type;
348         screen->lvds_format = dt->lvds_format;
349         screen->face = dt->face;
350
351         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
352                 screen->pin_dclk = 1;
353         else
354                 screen->pin_dclk = 0;
355         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
356                 screen->pin_hsync = 1;
357         else
358                 screen->pin_hsync = 0;
359         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
360                 screen->pin_vsync = 1;
361         else
362                 screen->pin_vsync = 0;
363         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
364                 screen->pin_den = 1;
365         else
366                 screen->pin_den = 0;
367
368         return 0;
369
370 }
371
372 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
373 {
374         struct display_timings *disp_timing;
375         struct display_timing *dt;
376         disp_timing = of_get_display_timings(np);
377         if (!disp_timing) {
378                 pr_err("parse display timing err\n");
379                 return -EINVAL;
380         }
381         dt = display_timings_get(disp_timing, disp_timing->native_mode);
382         rk_fb_video_mode_from_timing(dt, screen);
383         return 0;
384
385 }
386
387 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
388 {
389         int x, y;
390         unsigned long long hz;
391         if (!screen) {
392                 printk(KERN_ERR "%s:null screen!\n", __func__);
393                 return 0;
394         }
395         x = screen->mode.xres + screen->mode.left_margin +
396             screen->mode.right_margin + screen->mode.hsync_len;
397         y = screen->mode.yres + screen->mode.upper_margin +
398             screen->mode.lower_margin + screen->mode.vsync_len;
399
400         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
401
402         hz += (x * y) / 2;
403         do_div(hz, x * y);      /* divide by x * y with rounding */
404
405         hz += pixclock / 2;
406         do_div(hz, pixclock);   /* divide by pixclock with rounding */
407
408         return hz;
409 }
410
411 char *get_format_string(enum data_format format, char *fmt)
412 {
413         if (!fmt)
414                 return NULL;
415         switch (format) {
416         case ARGB888:
417                 strcpy(fmt, "ARGB888");
418                 break;
419         case RGB888:
420                 strcpy(fmt, "RGB888");
421                 break;
422         case RGB565:
423                 strcpy(fmt, "RGB565");
424                 break;
425         case YUV420:
426                 strcpy(fmt, "YUV420");
427                 break;
428         case YUV422:
429                 strcpy(fmt, "YUV422");
430                 break;
431         case YUV444:
432                 strcpy(fmt, "YUV444");
433                 break;
434         case YUV420_A:
435                 strcpy(fmt, "YUV420_A");
436                 break;
437         case YUV422_A:
438                 strcpy(fmt, "YUV422_A");
439                 break;
440         case YUV444_A:
441                 strcpy(fmt, "YUV444_A");
442                 break;
443         case XRGB888:
444                 strcpy(fmt, "XRGB888");
445                 break;
446         case XBGR888:
447                 strcpy(fmt, "XBGR888");
448                 break;
449         case ABGR888:
450                 strcpy(fmt, "XBGR888");
451                 break;
452         default:
453                 strcpy(fmt, "invalid");
454                 break;
455         }
456
457         return fmt;
458
459 }
460
461 /*
462  * this is for hdmi
463  * name: lcdc device name ,lcdc0 , lcdc1
464  */
465 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
466 {
467         struct rk_fb *inf = NULL;
468         struct rk_lcdc_driver *dev_drv = NULL;
469         int i = 0;
470
471         if (likely(fb_pdev))
472                 inf = platform_get_drvdata(fb_pdev);
473         else
474                 return NULL;
475
476         for (i = 0; i < inf->num_lcdc; i++) {
477                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
478                         dev_drv = inf->lcdc_dev_drv[i];
479                         break;
480                 }
481         }
482
483         return dev_drv;
484 }
485
486 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
487 {
488         struct rk_fb *inf = NULL;
489         struct rk_lcdc_driver *dev_drv = NULL;
490         int i = 0;
491
492         if (likely(fb_pdev))
493                 inf = platform_get_drvdata(fb_pdev);
494         else
495                 return NULL;
496
497         for (i = 0; i < inf->num_lcdc; i++) {
498                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
499                         dev_drv = inf->lcdc_dev_drv[i];
500                         break;
501                 }
502         }
503
504         return dev_drv;
505 }
506
507 /*
508  * get one frame time of the prmry screen, unit: us
509  */
510 u32 rk_fb_get_prmry_screen_ft(void)
511 {
512         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
513         uint32_t htotal, vtotal, pixclock_ps;
514         u64 pix_total, ft_us;
515
516         if (unlikely(!dev_drv))
517                 return 0;
518
519         pixclock_ps = dev_drv->pixclock;
520
521         vtotal = (dev_drv->cur_screen->mode.upper_margin +
522                  dev_drv->cur_screen->mode.lower_margin +
523                  dev_drv->cur_screen->mode.yres +
524                  dev_drv->cur_screen->mode.vsync_len);
525         htotal = (dev_drv->cur_screen->mode.left_margin +
526                  dev_drv->cur_screen->mode.right_margin +
527                  dev_drv->cur_screen->mode.xres +
528                  dev_drv->cur_screen->mode.hsync_len);
529         pix_total = htotal * vtotal;
530         ft_us = pix_total * pixclock_ps;
531         do_div(ft_us, 1000000);
532         if (dev_drv->frame_time.ft == 0)
533                 dev_drv->frame_time.ft = ft_us;
534
535         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
536         do_div(ft_us, 1000);
537         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
538         if (ft_us != 0)
539                 dev_drv->frame_time.ft = ft_us;
540
541         return dev_drv->frame_time.ft;
542 }
543
544 /*
545  * get the vblanking time of the prmry screen, unit: us
546  */
547 u32 rk_fb_get_prmry_screen_vbt(void)
548 {
549         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
550         uint32_t htotal, vblank, pixclock_ps;
551         u64 pix_blank, vbt_us;
552
553         if (unlikely(!dev_drv))
554                 return 0;
555
556         pixclock_ps = dev_drv->pixclock;
557
558         htotal = (dev_drv->cur_screen->mode.left_margin +
559                  dev_drv->cur_screen->mode.right_margin +
560                  dev_drv->cur_screen->mode.xres +
561                  dev_drv->cur_screen->mode.hsync_len);
562         vblank = (dev_drv->cur_screen->mode.upper_margin +
563                  dev_drv->cur_screen->mode.lower_margin +
564                  dev_drv->cur_screen->mode.vsync_len);
565         pix_blank = htotal * vblank;
566         vbt_us = pix_blank * pixclock_ps;
567         do_div(vbt_us, 1000000);
568         return (u32)vbt_us;
569 }
570
571 /*
572  * get the frame done time of the prmry screen, unit: us
573  */
574 u64 rk_fb_get_prmry_screen_framedone_t(void)
575 {
576         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
577
578         if (unlikely(!dev_drv))
579                 return 0;
580         else
581                 return dev_drv->frame_time.framedone_t;
582 }
583
584 /*
585  * set prmry screen status
586  */
587 int rk_fb_set_prmry_screen_status(int status)
588 {
589         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
590         struct rk_screen *screen;
591
592         if (unlikely(!dev_drv))
593                 return 0;
594
595         screen = dev_drv->cur_screen;
596         switch (status) {
597         case SCREEN_PREPARE_DDR_CHANGE:
598                 if (screen->type == SCREEN_MIPI
599                         || screen->type == SCREEN_DUAL_MIPI) {
600                         if (dev_drv->trsm_ops->dsp_pwr_off)
601                                 dev_drv->trsm_ops->dsp_pwr_off();
602                 }
603                 break;
604         case SCREEN_UNPREPARE_DDR_CHANGE:
605                 if (screen->type == SCREEN_MIPI
606                         || screen->type == SCREEN_DUAL_MIPI) {
607                         if (dev_drv->trsm_ops->dsp_pwr_on)
608                                 dev_drv->trsm_ops->dsp_pwr_on();
609                 }
610                 break;
611         default:
612                 break;
613         }
614
615         return 0;
616 }
617
618 /*
619  * function: this function will be called by display device,
620  *              set cur_screen size scaler to the other screen size
621  * @screen: the screen info that is the destination
622  * @enable:
623  *      0: no scaler and set the screen info as 'screen' parameter
624  *      1: set scaler and set the src screen scaler to the dst screen
625  */
626 static int rk_fb_set_screen_scaler(struct rk_screen *screen, bool enable)
627 {
628         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
629
630         if (unlikely(!dev_drv) || unlikely(!screen))
631                 return -1;
632
633         rk_fb_set_prmry_screen_status(SCREEN_PREPARE_DDR_CHANGE);
634         if (dev_drv->ops->set_screen_scaler)
635                 dev_drv->ops->set_screen_scaler(dev_drv, screen, enable);
636         if (!enable) {
637                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
638                 dev_drv->ops->load_screen(dev_drv, 1);
639         }
640         rk_fb_set_prmry_screen_status(SCREEN_UNPREPARE_DDR_CHANGE);
641         return 0;
642 }
643
644 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
645 {
646         struct rk_fb *inf = NULL;
647         struct rk_lcdc_driver *dev_drv = NULL;
648         int i = 0;
649
650         if (likely(fb_pdev))
651                 inf = platform_get_drvdata(fb_pdev);
652         else
653                 return NULL;
654
655         for (i = 0; i < inf->num_lcdc; i++) {
656                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
657                         dev_drv = inf->lcdc_dev_drv[i];
658                         break;
659                 }
660         }
661
662         return dev_drv;
663 }
664
665 u32 rk_fb_get_prmry_screen_pixclock(void)
666 {
667         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
668
669         if (unlikely(!dev_drv))
670                 return 0;
671         else
672                 return dev_drv->pixclock;
673 }
674
675 int rk_fb_poll_prmry_screen_vblank(void)
676 {
677         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
678
679         if (likely(dev_drv)) {
680                 if (dev_drv->ops->poll_vblank)
681                         return dev_drv->ops->poll_vblank(dev_drv);
682                 else
683                         return RK_LF_STATUS_NC;
684         } else {
685                 return RK_LF_STATUS_NC;
686         }
687 }
688
689 bool rk_fb_poll_wait_frame_complete(void)
690 {
691         uint32_t timeout = RK_LF_MAX_TIMEOUT;
692         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
693
694         if (likely(dev_drv)) {
695                 if (dev_drv->ops->set_irq_to_cpu)
696                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
697         }
698
699         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
700                 if (likely(dev_drv)) {
701                         if (dev_drv->ops->set_irq_to_cpu)
702                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
703                 }
704                 return false;
705         }
706         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
707                 ;
708         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
709                 ;
710         if (likely(dev_drv)) {
711                 if (dev_drv->ops->set_irq_to_cpu)
712                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
713         }
714
715         return true;
716 }
717
718
719 /* rk_fb_get_sysmmu_device_by_compatible()
720  * @compt: dts device compatible name
721  * return value: success: pointer to the device inside of platform device
722  *               fail: NULL
723  */
724 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
725 {
726         struct device_node *dn = NULL;
727         struct platform_device *pd = NULL;
728         struct device *ret = NULL ;
729
730         dn = of_find_compatible_node(NULL, NULL, compt);
731         if (!dn) {
732                 printk("can't find device node %s \r\n", compt);
733                 return NULL;
734         }
735
736         pd = of_find_device_by_node(dn);
737         if (!pd) {
738                 printk("can't find platform device in device node %s \r\n", compt);
739                 return  NULL;
740         }
741         ret = &pd->dev;
742
743         return ret;
744 }
745
746 #ifdef CONFIG_IOMMU_API
747 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
748 {
749         dev->archdata.iommu = sysmmu;
750 }
751 #else
752 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
753 {
754
755 }
756 #endif
757
758 static int rk_fb_open(struct fb_info *info, int user)
759 {
760         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
761         int win_id;
762
763         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
764         dev_drv->win[win_id]->logicalstate++;
765         /* if this win aready opened ,no need to reopen */
766         if (dev_drv->win[win_id]->state)
767                 return 0;
768         else
769                 dev_drv->ops->open(dev_drv, win_id, 1);
770         return 0;
771 }
772
773 static int get_extend_fb_id(struct fb_info *info)
774 {
775         int fb_id = 0;
776         char *id = info->fix.id;
777         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
778
779         if (!strcmp(id, "fb0"))
780                 fb_id = 0;
781         else if (!strcmp(id, "fb1"))
782                 fb_id = 1;
783         else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
784                 fb_id = 2;
785         return fb_id;
786 }
787
788 static int rk_fb_close(struct fb_info *info, int user)
789 {
790         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
791         struct rk_lcdc_win *win = NULL;
792         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
793
794         if (win_id >= 0) {
795                 dev_drv->win[win_id]->logicalstate--;
796                 if (!dev_drv->win[win_id]->logicalstate) {
797                         win = dev_drv->win[win_id];
798                         info->fix.smem_start = win->reserved;
799                         info->var.xres = dev_drv->screen0->mode.xres;
800                         info->var.yres = dev_drv->screen0->mode.yres;
801                         /*
802                         info->var.grayscale |=
803                             (info->var.xres << 8) + (info->var.yres << 20);
804                         */
805                         info->var.xres_virtual = info->var.xres;
806                         info->var.yres_virtual = info->var.yres;
807 #if defined(CONFIG_LOGO_LINUX_BMP)
808                         info->var.bits_per_pixel = 32;
809 #else
810                         info->var.bits_per_pixel = 16;
811 #endif
812                         info->fix.line_length =
813                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
814                         info->var.width = dev_drv->screen0->width;
815                         info->var.height = dev_drv->screen0->height;
816                         info->var.pixclock = dev_drv->pixclock;
817                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
818                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
819                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
820                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
821                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
822                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
823                 }
824         }
825
826         return 0;
827 }
828
829
830 #if defined(CONFIG_RK29_IPP)
831 static int get_ipp_format(int fmt)
832 {
833         int ipp_fmt = IPP_XRGB_8888;
834         switch (fmt) {
835         case HAL_PIXEL_FORMAT_RGBX_8888:
836         case HAL_PIXEL_FORMAT_RGBA_8888:
837         case HAL_PIXEL_FORMAT_BGRA_8888:
838         case HAL_PIXEL_FORMAT_RGB_888:
839                 ipp_fmt = IPP_XRGB_8888;
840                 break;
841         case HAL_PIXEL_FORMAT_RGB_565:
842                 ipp_fmt = IPP_RGB_565;
843                 break;
844         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
845                 ipp_fmt = IPP_Y_CBCR_H2V1;
846                 break;
847         case HAL_PIXEL_FORMAT_YCrCb_NV12:
848                 ipp_fmt = IPP_Y_CBCR_H2V2;
849                 break;
850         case HAL_PIXEL_FORMAT_YCrCb_444:
851                 ipp_fmt = IPP_Y_CBCR_H1V1;
852                 break;
853         default:
854                 ipp_fmt = IPP_IMGTYPE_LIMIT;
855                 break;
856         }
857
858         return ipp_fmt;
859 }
860
861 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
862                           int rotation, int fmt)
863 {
864         int align16 = 2;
865         int align64 = 8;
866
867         if (fmt == IPP_XRGB_8888) {
868                 align16 = 1;
869                 align64 = 2;
870         } else if (fmt == IPP_RGB_565) {
871                 align16 = 1;
872                 align64 = 4;
873         } else {
874                 align16 = 2;
875                 align64 = 8;
876         }
877         align16 -= 1;           /*for YUV, 1 */
878         align64 -= 1;           /*for YUV, 7 */
879
880         if (rotation == IPP_ROT_0) {
881                 if (fmt > IPP_RGB_565) {
882                         if ((*dst_w & 1) != 0)
883                                 *dst_w = *dst_w + 1;
884                         if ((*dst_h & 1) != 0)
885                                 *dst_h = *dst_h + 1;
886                         if (*dst_vir_w < *dst_w)
887                                 *dst_vir_w = *dst_w;
888                 }
889         } else {
890                 if ((*dst_w & align64) != 0)
891                         *dst_w = (*dst_w + align64) & (~align64);
892                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
893                         *dst_h = *dst_h + 1;
894                 if (*dst_vir_w < *dst_w)
895                         *dst_vir_w = *dst_w;
896         }
897 }
898
899 static void fb_copy_by_ipp(struct fb_info *dst_info,
900                            struct fb_info *src_info, int offset)
901 {
902         struct rk29_ipp_req ipp_req;
903         uint32_t rotation = 0;
904         int dst_w, dst_h, dst_vir_w;
905         int ipp_fmt;
906         u8 data_format = (dst_info->var.nonstd) & 0xff;
907         struct rk_lcdc_driver *ext_dev_drv =
908                         (struct rk_lcdc_driver *)dst_info->par;
909         u16 orientation = ext_dev_drv->rotate_mode;
910
911         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
912
913         switch (orientation) {
914         case 0:
915                 rotation = IPP_ROT_0;
916                 break;
917         case ROTATE_90:
918                 rotation = IPP_ROT_90;
919                 break;
920         case ROTATE_180:
921                 rotation = IPP_ROT_180;
922                 break;
923         case ROTATE_270:
924                 rotation = IPP_ROT_270;
925                 break;
926         default:
927                 rotation = IPP_ROT_270;
928                 break;
929         }
930
931         dst_w = dst_info->var.xres;
932         dst_h = dst_info->var.yres;
933         dst_vir_w = dst_info->var.xres_virtual;
934         ipp_fmt = get_ipp_format(data_format);
935         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
936         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
937         ipp_req.src0.w = src_info->var.xres;
938         ipp_req.src0.h = src_info->var.yres;
939         ipp_req.src_vir_w = src_info->var.xres_virtual;
940         ipp_req.src0.fmt = ipp_fmt;
941
942         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
943         ipp_req.dst0.w = dst_w;
944         ipp_req.dst0.h = dst_h;
945         ipp_req.dst_vir_w = dst_vir_w;
946         ipp_req.dst0.fmt = ipp_fmt;
947
948         ipp_req.timeout = 100;
949         ipp_req.flag = rotation;
950         ipp_blit_sync(&ipp_req);
951 }
952
953 #endif
954
955 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
956 static int get_rga_format(int fmt)
957 {
958         int rga_fmt = 0;
959
960         switch (fmt) {
961         case XBGR888:
962                 rga_fmt = RK_FORMAT_RGBX_8888;
963                 break;
964         case ABGR888:
965                 rga_fmt = RK_FORMAT_RGBA_8888;
966                 break;
967         case ARGB888:
968                 rga_fmt = RK_FORMAT_BGRA_8888;
969                 break;
970         case RGB888:
971                 rga_fmt = RK_FORMAT_RGB_888;
972                 break;
973         case RGB565:
974                 rga_fmt = RK_FORMAT_RGB_565;
975                 break;
976         case YUV422:
977                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
978                 break;
979         case YUV420:
980                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
981                 break;
982         default:
983                 rga_fmt = RK_FORMAT_RGBA_8888;
984                 break;
985         }
986
987         return rga_fmt;
988 }
989
990 static void rga_win_check(struct rk_lcdc_win *dst_win,
991                           struct rk_lcdc_win *src_win)
992 {
993         int align32 = 4;
994
995         align32 -= 1;
996         /*width and height must be aligned by 32 bit */
997         if ((src_win->area[0].xact & align32) != 0)
998                 src_win->area[0].xact =
999                     (src_win->area[0].xact + align32) & (~align32);
1000         if ((src_win->area[0].yact & align32) != 0)
1001                 src_win->area[0].yact =
1002                     (src_win->area[0].yact + align32) & (~align32);
1003         if (src_win->area[0].xvir < src_win->area[0].xact)
1004                 src_win->area[0].xvir = src_win->area[0].xact;
1005         if (src_win->area[0].yvir < src_win->area[0].yact)
1006                 src_win->area[0].yvir = src_win->area[0].yact;
1007
1008         if ((dst_win->area[0].xact & align32) != 0)
1009                 dst_win->area[0].xact =
1010                     (dst_win->area[0].xact + align32) & (~align32);
1011         if ((dst_win->area[0].yact & align32) != 0)
1012                 dst_win->area[0].yact =
1013                     (dst_win->area[0].yact + align32) & (~align32);
1014         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1015                 dst_win->area[0].xvir = dst_win->area[0].xact;
1016         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1017                 dst_win->area[0].yvir = dst_win->area[0].yact;
1018 }
1019
1020 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1021                             struct rk_lcdc_win *src_win, u16 orientation)
1022 {
1023         struct rga_req Rga_Request;
1024         long ret = 0;
1025         /* int fd = 0; */
1026
1027         memset(&Rga_Request, 0, sizeof(Rga_Request));
1028         rga_win_check(dst_win, src_win);
1029
1030         switch (orientation) {
1031         case ROTATE_90:
1032                 Rga_Request.rotate_mode = 1;
1033                 Rga_Request.sina = 65536;
1034                 Rga_Request.cosa = 0;
1035                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1036                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1037                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1038                 Rga_Request.dst.y_offset = 0;
1039                 break;
1040         case ROTATE_180:
1041                 Rga_Request.rotate_mode = 1;
1042                 Rga_Request.sina = 0;
1043                 Rga_Request.cosa = -65536;
1044                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1045                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1046                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1047                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1048                 break;
1049         case ROTATE_270:
1050                 Rga_Request.rotate_mode = 1;
1051                 Rga_Request.sina = -65536;
1052                 Rga_Request.cosa = 0;
1053                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1054                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1055                 Rga_Request.dst.x_offset = 0;
1056                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1057                 break;
1058         default:
1059                 Rga_Request.rotate_mode = 0;
1060                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1061                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1062                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1063                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1064                 break;
1065         }
1066
1067 /*
1068         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1069         Rga_Request.src.yrgb_addr = fd;
1070         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1071         Rga_Request.dst.yrgb_addr = fd;
1072 */
1073         Rga_Request.src.yrgb_addr = 0;
1074         Rga_Request.src.uv_addr =
1075             src_win->area[0].smem_start + src_win->area[0].y_offset;
1076         Rga_Request.src.v_addr = 0;
1077
1078         Rga_Request.dst.yrgb_addr = 0;
1079         Rga_Request.dst.uv_addr =
1080             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1081         Rga_Request.dst.v_addr = 0;
1082
1083         Rga_Request.src.vir_w = src_win->area[0].xvir;
1084         Rga_Request.src.vir_h = src_win->area[0].yvir;
1085         Rga_Request.src.format = get_rga_format(src_win->format);
1086         Rga_Request.src.act_w = src_win->area[0].xact;
1087         Rga_Request.src.act_h = src_win->area[0].yact;
1088         Rga_Request.src.x_offset = 0;
1089         Rga_Request.src.y_offset = 0;
1090
1091         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1092         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1093         Rga_Request.dst.format = get_rga_format(dst_win->format);
1094
1095         Rga_Request.clip.xmin = 0;
1096         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1097         Rga_Request.clip.ymin = 0;
1098         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1099         Rga_Request.scale_mode = 0;
1100 #if defined(CONFIG_ROCKCHIP_IOMMU)
1101         Rga_Request.mmu_info.mmu_en = 1;        /* TODO Modify for use mmu */
1102         Rga_Request.mmu_info.mmu_flag = 1;
1103 #else
1104         Rga_Request.mmu_info.mmu_en = 0;
1105         Rga_Request.mmu_info.mmu_flag = 0;
1106 #endif
1107
1108         ret = rga_ioctl_kernel(&Rga_Request);
1109 }
1110
1111 /*
1112  * This function is used for copying fb by RGA Module
1113  * RGA only support copy RGB to RGB
1114  * RGA2 support copy RGB to RGB and YUV to YUV
1115  */
1116 static void fb_copy_by_rga(struct fb_info *dst_info, struct fb_info *src_info,
1117                            int yrgb_offset)
1118 {
1119         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1120         struct rk_lcdc_driver *ext_dev_drv =
1121             (struct rk_lcdc_driver *)dst_info->par;
1122         int win_id = 0, ext_win_id;
1123         struct rk_lcdc_win *src_win, *dst_win;
1124
1125         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1126         src_win = dev_drv->win[win_id];
1127
1128         ext_win_id =
1129             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1130         dst_win = ext_dev_drv->win[ext_win_id];
1131
1132         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode);
1133 }
1134
1135 #endif
1136
1137 static int rk_fb_rotate(struct fb_info *dst_info,
1138                         struct fb_info *src_info, int offset)
1139 {
1140 #if defined(CONFIG_RK29_IPP)
1141         fb_copy_by_ipp(dst_info, src_info, offset);
1142 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1143         fb_copy_by_rga(dst_info, src_info, offset);
1144 #else
1145         return -1;
1146 #endif
1147         return 0;
1148 }
1149
1150 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1151                             struct rk_lcdc_win *src_win, u16 rotate)
1152 {
1153 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1154         win_copy_by_rga(dst_win, src_win, rotate);
1155 #else
1156         return -1;
1157 #endif
1158         return 0;
1159 }
1160
1161
1162 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1163                              struct fb_info *info)
1164 {
1165         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1166         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1167         struct fb_fix_screeninfo *fix = &info->fix;
1168         struct fb_info *extend_info = NULL;
1169         struct rk_lcdc_driver *extend_dev_drv = NULL;
1170         int win_id = 0, extend_win_id = 0;
1171         struct rk_lcdc_win *extend_win = NULL;
1172         struct rk_lcdc_win *win = NULL;
1173         struct rk_screen *screen = dev_drv->cur_screen;
1174         int fb_id = 0;
1175
1176         u32 xoffset = var->xoffset;
1177         u32 yoffset = var->yoffset;
1178         u32 xvir = var->xres_virtual;
1179         /* u32 yvir = var->yres_virtual; */
1180         /* u8 data_format = var->nonstd&0xff; */
1181
1182         u8 pixel_width;
1183         u32 vir_width_bit;
1184         u32 stride, uv_stride;
1185         u32 stride_32bit_1;
1186         u32 stride_32bit_2;
1187         u16 uv_x_off, uv_y_off, uv_y_act;
1188         u8 is_pic_yuv = 0;
1189
1190         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1191         if (win_id < 0)
1192                 return -ENODEV;
1193         else
1194                 win = dev_drv->win[win_id];
1195
1196         if (rk_fb->disp_mode == DUAL) {
1197                 fb_id = get_extend_fb_id(info);
1198                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1199                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1200                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1201                                                            extend_info->fix.id);
1202                 extend_win = extend_dev_drv->win[extend_win_id];
1203         }
1204
1205         pixel_width = rk_fb_pixel_width(win->format);
1206         vir_width_bit = pixel_width * xvir;
1207         /* pixel_width = byte_num * 8 */
1208         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1209         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1210
1211         switch (win->format) {
1212         case YUV422:
1213         case YUV422_A:
1214                 is_pic_yuv = 1;
1215                 stride = stride_32bit_1;
1216                 uv_stride = stride_32bit_1 >> 1;
1217                 uv_x_off = xoffset >> 1;
1218                 uv_y_off = yoffset;
1219                 fix->line_length = stride;
1220                 uv_y_act = win->area[0].yact >> 1;
1221                 break;
1222         case YUV420:            /* 420sp */
1223         case YUV420_A:
1224                 is_pic_yuv = 1;
1225                 stride = stride_32bit_1;
1226                 uv_stride = stride_32bit_1;
1227                 uv_x_off = xoffset;
1228                 uv_y_off = yoffset >> 1;
1229                 fix->line_length = stride;
1230                 uv_y_act = win->area[0].yact >> 1;
1231                 break;
1232         case YUV444:
1233         case YUV444_A:
1234                 is_pic_yuv = 1;
1235                 stride = stride_32bit_1;
1236                 uv_stride = stride_32bit_2;
1237                 uv_x_off = xoffset * 2;
1238                 uv_y_off = yoffset;
1239                 fix->line_length = stride << 2;
1240                 uv_y_act = win->area[0].yact;
1241                 break;
1242         default:
1243                 stride = stride_32bit_1;        /* default rgb */
1244                 fix->line_length = stride;
1245                 break;
1246         }
1247
1248         /* x y mirror ,jump line */
1249         if (screen->y_mirror == 1) {
1250                 if (screen->interlace == 1) {
1251                         win->area[0].y_offset = yoffset * stride * 2 +
1252                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1253                             xoffset * pixel_width / 8;
1254                 } else {
1255                         win->area[0].y_offset = yoffset * stride +
1256                             (win->area[0].yact - 1) * stride +
1257                             xoffset * pixel_width / 8;
1258                 }
1259         } else {
1260                 if (screen->interlace == 1) {
1261                         win->area[0].y_offset =
1262                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1263                 } else {
1264                         win->area[0].y_offset =
1265                             yoffset * stride + xoffset * pixel_width / 8;
1266                 }
1267         }
1268         if (is_pic_yuv == 1) {
1269                 if (screen->y_mirror == 1) {
1270                         if (screen->interlace == 1) {
1271                                 win->area[0].c_offset =
1272                                     uv_y_off * uv_stride * 2 +
1273                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1274                                     uv_x_off * pixel_width / 8;
1275                         } else {
1276                                 win->area[0].c_offset = uv_y_off * uv_stride +
1277                                     (uv_y_act - 1) * uv_stride +
1278                                     uv_x_off * pixel_width / 8;
1279                         }
1280                 } else {
1281                         if (screen->interlace == 1) {
1282                                 win->area[0].c_offset =
1283                                     uv_y_off * uv_stride * 2 +
1284                                     uv_x_off * pixel_width / 8;
1285                         } else {
1286                                 win->area[0].c_offset =
1287                                     uv_y_off * uv_stride +
1288                                     uv_x_off * pixel_width / 8;
1289                         }
1290                 }
1291         }
1292
1293         win->area[0].smem_start = fix->smem_start;
1294         win->area[0].cbr_start = fix->mmio_start;
1295         win->area[0].state = 1;
1296         win->area_num = 1;
1297         win->state = 1;
1298
1299         dev_drv->ops->pan_display(dev_drv, win_id);
1300         if (rk_fb->disp_mode == DUAL) {
1301                 if (extend_win->state && (hdmi_switch_complete)) {
1302                         extend_win->area[0].y_offset = win->area[0].y_offset;
1303                         if (extend_dev_drv->rotate_mode > X_Y_MIRROR) {
1304                                 rk_fb_rotate(extend_info, info,
1305                                                 win->area[0].y_offset);
1306                         } else {
1307                                 extend_win->area[0].smem_start =
1308                                                 win->area[0].smem_start;
1309                                 extend_win->area[0].cbr_start =
1310                                                 win->area[0].cbr_start;
1311                         }
1312                         extend_dev_drv->ops->pan_display(extend_dev_drv,
1313                                                          extend_win_id);
1314                 }
1315         }
1316 #ifdef  CONFIG_FB_MIRRORING
1317         if (video_data_to_mirroring)
1318                 video_data_to_mirroring(info, NULL);
1319 #endif
1320         dev_drv->ops->cfg_done(dev_drv);
1321         return 0;
1322 }
1323
1324 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1325 {
1326         int i, j;
1327
1328         i = list_empty(&dev_drv->update_regs_list);
1329         j = list_empty(&saved_list);
1330         return i == j ? 0 : 1;
1331 }
1332
1333 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1334 {
1335         int err = sync_fence_wait(fence, 1000);
1336
1337         if (err >= 0)
1338                 return;
1339
1340         if (err == -ETIME)
1341                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1342
1343         if (err < 0)
1344                 printk("error waiting on fence\n");
1345 }
1346
1347 static int rk_fb_copy_from_loader(struct fb_info *info)
1348 {
1349         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1350         void *dst = info->screen_base;
1351         u32 dsp_addr[4];
1352         u32 src;
1353         u32 i;
1354         struct rk_lcdc_win *win = dev_drv->win[0];
1355         u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1356         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1357         src = dsp_addr[0];
1358         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1359                  win->area[0].xact, win->area[0].yact, src);
1360         for (i = 0; i < size; i += PAGE_SIZE) {
1361                 void *page = phys_to_page(i + src);
1362                 void *from_virt = kmap(page);
1363                 void *to_virt = dst + i;
1364                 memcpy(to_virt, from_virt, PAGE_SIZE);
1365         }
1366         return 0;
1367 }
1368
1369 #ifdef CONFIG_ROCKCHIP_IOMMU
1370 static int g_last_addr[4];
1371 int g_last_timeout;
1372 u32 freed_addr[10];
1373 u32 freed_index;
1374
1375 #define DUMP_CHUNK 256
1376 char buf[PAGE_SIZE];
1377
1378 int rk_fb_sysmmu_fault_handler(struct device *dev,
1379                                enum rk_iommu_inttype itype,
1380                                unsigned long pgtable_base,
1381                                unsigned long fault_addr, unsigned int status)
1382 {
1383         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1384         int i = 0;
1385         static int page_fault_cnt;
1386         if ((page_fault_cnt++) >= 10)
1387                 return 0;
1388         pr_err
1389             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1390              fault_addr, pgtable_base, status);
1391         printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1392                "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1393                g_last_addr[2], g_last_addr[3]);
1394         printk("last freed buffer:\n");
1395         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1396                 printk("%d:0x%08x\n", i, freed_addr[i]);
1397         printk("last timeout:%d\n", g_last_timeout);
1398         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1399         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1400                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1401                         char c = buf[i + DUMP_CHUNK];
1402                         buf[i + DUMP_CHUNK] = 0;
1403                         pr_cont("%s", buf + i);
1404                         buf[i + DUMP_CHUNK] = c;
1405                 } else {
1406                         buf[PAGE_SIZE - 1] = 0;
1407                         pr_cont("%s", buf + i);
1408                 }
1409         }
1410
1411         return 0;
1412 }
1413 #endif
1414
1415 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1416                         struct rk_fb_reg_win_data *reg_win_data)
1417 {
1418         int i, index_buf;
1419         struct rk_fb_reg_area_data *area_data;
1420         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1421
1422         for (i = 0; i < reg_win_data->area_num; i++) {
1423                 area_data = &reg_win_data->reg_area_data[i];
1424                 index_buf = area_data->index_buf;
1425 #if defined(CONFIG_ROCKCHIP_IOMMU)
1426                 if (dev_drv->iommu_enabled) {
1427                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1428                                         area_data->ion_handle);
1429                         freed_addr[freed_index++] = area_data->smem_start;
1430                 }
1431 #endif
1432                 if (area_data->ion_handle != NULL) {
1433                         ion_unmap_kernel(rk_fb->ion_client,
1434                                          area_data->ion_handle);
1435                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1436                 }
1437                 if (area_data->acq_fence)
1438                         sync_fence_put(area_data->acq_fence);
1439         }
1440         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1441 }
1442
1443 static void rk_fb_update_driver(struct rk_lcdc_driver *dev_drv,
1444                                 struct rk_lcdc_win *win,
1445                                 struct rk_fb_reg_win_data *reg_win_data)
1446 {
1447         int i = 0;
1448         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1449         struct rk_screen *cur_screen;
1450         struct rk_screen primary_screen;
1451
1452         if (unlikely(!inf) || unlikely(!dev_drv) ||
1453             unlikely(!win) || unlikely(!reg_win_data))
1454                 return;
1455
1456         cur_screen = dev_drv->cur_screen;
1457         rk_fb_get_prmry_screen(&primary_screen);
1458
1459         win->area_num = reg_win_data->area_num;
1460         win->format = reg_win_data->data_format;
1461         win->id = reg_win_data->win_id;
1462         win->z_order = reg_win_data->z_order;
1463
1464         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1465                 win->state = 1;
1466                 win->area_num = reg_win_data->area_num;
1467                 win->format = reg_win_data->data_format;
1468                 win->id = reg_win_data->win_id;
1469                 win->z_order = reg_win_data->z_order;
1470                 win->area[0].uv_vir_stride =
1471                     reg_win_data->reg_area_data[0].uv_vir_stride;
1472                 win->area[0].cbr_start =
1473                     reg_win_data->reg_area_data[0].cbr_start;
1474                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1475                 win->alpha_en = reg_win_data->alpha_en;
1476                 win->alpha_mode = reg_win_data->alpha_mode;
1477                 win->g_alpha_val = reg_win_data->g_alpha_val;
1478                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1479                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1480                                 win->area[i].smem_start =
1481                                     reg_win_data->reg_area_data[i].smem_start;
1482                                 if (inf->disp_mode == DUAL) {
1483                                         win->area[i].xpos =
1484                                                 reg_win_data->reg_area_data[i].xpos;
1485                                         win->area[i].ypos =
1486                                                 reg_win_data->reg_area_data[i].ypos;
1487                                         win->area[i].xsize =
1488                                                 reg_win_data->reg_area_data[i].xsize;
1489                                         win->area[i].ysize =
1490                                                 reg_win_data->reg_area_data[i].ysize;
1491                                 } else {
1492                                         win->area[i].xpos =
1493                                                 reg_win_data->reg_area_data[i].xpos *
1494                                                 cur_screen->mode.xres /
1495                                                 primary_screen.mode.xres;
1496                                         win->area[i].ypos =
1497                                                 reg_win_data->reg_area_data[i].ypos *
1498                                                 cur_screen->mode.yres /
1499                                                 primary_screen.mode.yres;
1500                                         win->area[i].xsize =
1501                                                 reg_win_data->reg_area_data[i].xsize *
1502                                                 cur_screen->mode.xres /
1503                                                 primary_screen.mode.xres;
1504                                         win->area[i].ysize =
1505                                                 reg_win_data->reg_area_data[i].ysize *
1506                                                 cur_screen->mode.yres /
1507                                                 primary_screen.mode.yres;
1508                                 }
1509                                 win->area[i].xact =
1510                                     reg_win_data->reg_area_data[i].xact;
1511                                 win->area[i].yact =
1512                                     reg_win_data->reg_area_data[i].yact;
1513                                 win->area[i].xvir =
1514                                     reg_win_data->reg_area_data[i].xvir;
1515                                 win->area[i].yvir =
1516                                     reg_win_data->reg_area_data[i].yvir;
1517                                 win->area[i].y_offset =
1518                                     reg_win_data->reg_area_data[i].y_offset;
1519                                 win->area[i].y_vir_stride =
1520                                     reg_win_data->reg_area_data[i].y_vir_stride;
1521                                 win->area[i].state = 1;
1522                         } else {
1523                                 win->area[i].state = 0;
1524                         }
1525                 }
1526         } else {
1527         /*
1528                 win->state = 0;
1529                 win->z_order = -1;
1530         */
1531         }
1532 }
1533
1534 static int rk_fb_update_hdmi_win(struct rk_lcdc_win *ext_win,
1535                                  struct rk_lcdc_win *win)
1536 {
1537         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1538         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1539         struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1540         struct rk_screen *screen;
1541         struct rk_screen *ext_screen;
1542         int hdmi_xsize;
1543         int hdmi_ysize;
1544         int pixel_width, vir_width_bit, y_stride;
1545         struct rk_lcdc_win *last_win;
1546         bool is_yuv = false;
1547         static u8 fb_index = 0;
1548
1549         if ((rk_fb->disp_mode != DUAL) ||
1550                 (hdmi_get_hotplug() != HDMI_HPD_ACTIVED) ||
1551                 (!hdmi_switch_complete)) {
1552                 printk(KERN_INFO "%s: hdmi is disconnect!\n", __func__);
1553                 return -1;
1554         }
1555
1556         if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
1557                 return -1;
1558
1559         screen = dev_drv->cur_screen;
1560         ext_screen = ext_dev_drv->cur_screen;
1561         hdmi_xsize = ext_screen->xsize;
1562         hdmi_ysize = ext_screen->ysize;
1563
1564         ext_win->state = win->state;
1565         ext_win->id = win->id;
1566         if (win->area[0].smem_start == 0)
1567                 ext_win->state = 0;
1568         if (ext_win->state == 0)
1569                 return 0;
1570
1571         ext_win->area_num = win->area_num;
1572         ext_win->format = win->format;
1573         ext_win->z_order = win->z_order;
1574         ext_win->alpha_en = win->alpha_en;
1575         ext_win->alpha_mode = win->alpha_mode;
1576         ext_win->g_alpha_val = win->g_alpha_val;
1577
1578         /* win0 and win1 have only one area and support scale
1579          * but win2 and win3 don't support scale
1580          * so hdmi only use win0 or win1
1581          */
1582         ext_win->area[0].state = win->area[0].state;
1583
1584         switch (ext_win->format) {
1585         case YUV422:
1586         case YUV420:
1587         case YUV444:
1588         case YUV422_A:
1589         case YUV420_A:
1590         case YUV444_A:
1591                 is_yuv = true;
1592                 break;
1593         default:
1594                 is_yuv = false;
1595                 break;
1596         }
1597
1598         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1599                         ext_dev_drv->rotate_mode == ROTATE_270) {
1600                 if (ext_win->id == 0) {
1601                         ext_win->area[0].smem_start =
1602                                 rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
1603                         ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1604                         if ((++fb_index) > 1)
1605                                 fb_index = 0;
1606                 } else {
1607                         ext_win->area[0].y_offset = 0;
1608                         last_win = ext_dev_drv->win[ext_win->id - 1];
1609                         if (last_win->area[0].cbr_start)
1610                                 ext_win->area[0].smem_start =
1611                                         last_win->area[0].cbr_start +
1612                                         last_win->area[0].c_offset +
1613                                         last_win->area[0].xvir * last_win->area[0].yvir;
1614                         else
1615                                 ext_win->area[0].smem_start =
1616                                         last_win->area[0].smem_start +
1617                                         last_win->area[0].y_offset +
1618                                         last_win->area[0].xvir * last_win->area[0].yvir;
1619                 }
1620
1621                 ext_win->area[0].xact = win->area[0].yact;
1622                 ext_win->area[0].yact = win->area[0].xact;
1623                 ext_win->area[0].xvir = win->area[0].yact;
1624                 ext_win->area[0].yvir = win->area[0].xact;
1625                 pixel_width = rk_fb_pixel_width(ext_win->format);
1626                 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1627                 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1628                 ext_win->area[0].y_vir_stride = y_stride >> 2;
1629         } else {
1630                 ext_win->area[0].smem_start = win->area[0].smem_start;
1631                 ext_win->area[0].y_offset = win->area[0].y_offset;
1632                 ext_win->area[0].xact = win->area[0].xact;
1633                 ext_win->area[0].yact = win->area[0].yact;
1634                 ext_win->area[0].xvir = win->area[0].xvir;
1635                 ext_win->area[0].yvir = win->area[0].yvir;
1636                 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1637         }
1638
1639         if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1640                 if (ext_dev_drv->rotate_mode == ROTATE_270) {
1641                         int xbom_pos = 0, ybom_pos = 0;
1642                         int xtop_pos = 0, ytop_pos = 0;
1643
1644                         ext_win->area[0].xsize = hdmi_xsize *
1645                                                 win->area[0].ysize /
1646                                                 screen->mode.yres;
1647                         ext_win->area[0].ysize = hdmi_ysize *
1648                                                 win->area[0].xsize /
1649                                                 screen->mode.xres;
1650                         xbom_pos = hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1651                         ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1652                         xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1653                         ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1654                         ext_win->area[0].xpos =
1655                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1656                         ext_win->area[0].ypos =
1657                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1658                 } else if (ext_dev_drv->rotate_mode == ROTATE_90) {
1659                         ext_win->area[0].xsize = hdmi_xsize *
1660                                                 win->area[0].ysize /
1661                                                 screen->mode.yres;
1662                         ext_win->area[0].ysize = hdmi_ysize *
1663                                                 win->area[0].xsize /
1664                                                 screen->mode.xres;
1665                         ext_win->area[0].xpos =
1666                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1667                                 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1668                         ext_win->area[0].ypos =
1669                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1670                                 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1671                 } else {
1672                         ext_win->area[0].xsize = hdmi_xsize *
1673                                                 win->area[0].xsize /
1674                                                 screen->mode.xres;
1675                         ext_win->area[0].ysize = hdmi_ysize *
1676                                                 win->area[0].ysize /
1677                                                 screen->mode.yres;
1678                         ext_win->area[0].xpos =
1679                                 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1680                                 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1681                         ext_win->area[0].ypos =
1682                                 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1683                                 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1684                 }
1685         } else {
1686                 ext_win->area[0].xsize = hdmi_xsize;
1687                 ext_win->area[0].ysize = hdmi_ysize;
1688                 ext_win->area[0].xpos =
1689                                 (ext_screen->mode.xres - hdmi_xsize) >> 1;
1690                 ext_win->area[0].ypos =
1691                                 (ext_screen->mode.yres - hdmi_ysize) >> 1;
1692         }
1693
1694         if (!is_yuv) {
1695                 ext_win->area[0].uv_vir_stride = 0;
1696                 ext_win->area[0].cbr_start = 0;
1697                 ext_win->area[0].c_offset = 0;
1698                 return 0;
1699         }
1700
1701         if (ext_dev_drv->rotate_mode == ROTATE_90 ||
1702                 ext_dev_drv->rotate_mode == ROTATE_270) {
1703                 ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1704                 ext_win->area[0].cbr_start = ext_win->area[0].smem_start +
1705                                 ext_win->area[0].y_offset +
1706                                 ext_win->area[0].xvir * ext_win->area[0].yvir;
1707                 ext_win->area[0].c_offset = win->area[0].c_offset;
1708         } else {
1709                 ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1710                 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1711                 ext_win->area[0].c_offset = win->area[0].c_offset;
1712         }
1713
1714         return 0;
1715 }
1716
1717 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1718                                                      *regs, int win_id)
1719 {
1720         int i;
1721         struct rk_fb_reg_win_data *win_data = NULL;
1722         for (i = 0; i < regs->win_num; i++) {
1723                 if (regs->reg_win_data[i].win_id == win_id) {
1724                         win_data = &(regs->reg_win_data[i]);
1725                         break;
1726                 }
1727         }
1728
1729         return win_data;
1730 }
1731
1732 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1733                              struct rk_fb_reg_data *regs)
1734 {
1735         int i, j;
1736         struct rk_lcdc_win *win;
1737         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1738         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1739         struct rk_lcdc_driver *ext_dev_drv;
1740         struct rk_lcdc_win *ext_win;
1741         struct rk_fb_reg_win_data *win_data;
1742         bool wait_for_vsync;
1743         int count = 100;
1744         unsigned int dsp_addr[4];
1745         long timeout;
1746
1747         /* acq_fence wait */
1748         for (i = 0; i < regs->win_num; i++) {
1749                 win_data = &regs->reg_win_data[i];
1750                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1751                         if (win_data->reg_area_data[j].acq_fence) {
1752                                 /* printk("acq_fence wait!!!!!\n"); */
1753                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1754                         }
1755                 }
1756         }
1757
1758         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1759                 win = dev_drv->win[i];
1760                 win_data = rk_fb_get_win_data(regs, i);
1761                 if (win_data) {
1762                         rk_fb_update_driver(dev_drv, win, win_data);
1763                         win->state = 1;
1764                         dev_drv->ops->set_par(dev_drv, i);
1765                         dev_drv->ops->pan_display(dev_drv, i);
1766 #if defined(CONFIG_ROCKCHIP_IOMMU)
1767                         if (dev_drv->iommu_enabled) {
1768                                 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1769                                         win_data->reg_area_data[0].y_offset;
1770                         }
1771 #endif
1772                 } else {
1773                         win->z_order = -1;
1774                         win->state = 0;
1775                 }
1776         }
1777         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1778
1779         if ((rk_fb->disp_mode == DUAL)
1780             && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1781             && hdmi_switch_complete) {
1782                 ext_dev_drv = rk_get_extend_lcdc_drv();
1783                 if (!ext_dev_drv) {
1784                         printk(KERN_ERR "hdmi lcdc driver not found!\n");
1785                         goto ext_win_exit;
1786                 }
1787
1788                 /* win0 and win1 have only one area and support scale
1789                  * but win2 and win3 don't support scale
1790                  * so hdmi only use win0 or win1
1791                  */
1792                 for (i = 0; i < 2; i++) {
1793                         win = dev_drv->win[i];
1794                         ext_win = ext_dev_drv->win[i];
1795                         ext_win->state = win->state;
1796                         if (!ext_win->state)
1797                                 continue;
1798
1799                         rk_fb_update_hdmi_win(ext_win, win);
1800
1801                         if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1802                                 rk_fb_win_rotate(ext_win, win,
1803                                                  ext_dev_drv->rotate_mode);
1804
1805                         ext_dev_drv->ops->set_par(ext_dev_drv, i);
1806                         ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1807                 }
1808
1809                 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1810         }
1811 ext_win_exit:
1812         dev_drv->ops->cfg_done(dev_drv);
1813
1814         do {
1815                 timestamp = dev_drv->vsync_info.timestamp;
1816                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1817                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1818                                 msecs_to_jiffies(25));
1819                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1820                 wait_for_vsync = false;
1821                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1822                         if (dev_drv->win[i]->state == 1) {
1823                                 u32 new_start =
1824                                     dev_drv->win[i]->area[0].smem_start +
1825                                     dev_drv->win[i]->area[0].y_offset;
1826                                 u32 reg_start = dsp_addr[i];
1827
1828                                 if (unlikely(new_start != reg_start)) {
1829                                         wait_for_vsync = true;
1830                                         dev_info(dev_drv->dev,
1831                                                "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1832                                                i, new_start, reg_start, 101 - count);
1833                                         break;
1834                                 }
1835                         }
1836                 }
1837         } while (wait_for_vsync && count--);
1838 #ifdef H_USE_FENCE
1839         sw_sync_timeline_inc(dev_drv->timeline, 1);
1840 #endif
1841         if (!g_first_buf) {
1842 #if defined(CONFIG_ROCKCHIP_IOMMU)
1843                 if (dev_drv->iommu_enabled) {
1844                         freed_index = 0;
1845                         g_last_timeout = timeout;
1846                 }
1847 #endif
1848                 for (i = 0; i < g_last_win_num; i++)
1849                         rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1850
1851 #if defined(CONFIG_ROCKCHIP_IOMMU)
1852                 if (dev_drv->iommu_enabled)
1853                         freed_addr[freed_index] = 0xfefefefe;
1854 #endif
1855         }
1856         for (i = 0; i < regs->win_num; i++) {
1857                 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1858                        sizeof(struct rk_fb_reg_win_data));
1859         }
1860         g_last_win_num = regs->win_num;
1861         g_first_buf = 0;
1862 }
1863
1864 static void rk_fb_update_regs_handler(struct kthread_work *work)
1865 {
1866         struct rk_lcdc_driver *dev_drv =
1867             container_of(work, struct rk_lcdc_driver, update_regs_work);
1868         struct rk_fb_reg_data *data, *next;
1869         /* struct list_head saved_list; */
1870
1871         mutex_lock(&dev_drv->update_regs_list_lock);
1872         saved_list = dev_drv->update_regs_list;
1873         list_replace_init(&dev_drv->update_regs_list, &saved_list);
1874         mutex_unlock(&dev_drv->update_regs_list_lock);
1875
1876         list_for_each_entry_safe(data, next, &saved_list, list) {
1877                 rk_fb_update_reg(dev_drv, data);
1878                 list_del(&data->list);
1879                 kfree(data);
1880         }
1881
1882         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1883                 wake_up(&dev_drv->update_regs_wait);
1884 }
1885
1886 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1887                                   struct rk_screen *screen)
1888 {
1889         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1890             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1891             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1892                 pr_err("check config var fail 0:\n"
1893                        "x_offset=%d,xact=%d,xvir=%d\n",
1894                        area_par->x_offset, area_par->xact, area_par->xvir);
1895                 return -EINVAL;
1896         }
1897
1898         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1899             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1900             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1901                 pr_err("check config var fail 1:\n"
1902                        "xpos=%d,xsize=%d,xres=%d\n"
1903                        "ypos=%d,ysize=%d,yres=%d\n",
1904                        area_par->xpos, area_par->xsize, screen->mode.xres,
1905                        area_par->ypos, area_par->ysize, screen->mode.yres);
1906                 return -EINVAL;
1907         }
1908         return 0;
1909 }
1910
1911 static int rk_fb_set_win_buffer(struct fb_info *info,
1912                                 struct rk_fb_win_par *win_par,
1913                                 struct rk_fb_reg_win_data *reg_win_data)
1914 {
1915         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1916         struct fb_fix_screeninfo *fix = &info->fix;
1917         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1918         struct rk_screen *screen = dev_drv->cur_screen;
1919         struct rk_screen primary_screen;
1920         struct fb_info *fbi = rk_fb->fb[0];
1921         int i, ion_fd, acq_fence_fd;
1922         u32 xvir, yvir;
1923         u32 xoffset, yoffset;
1924
1925         struct ion_handle *hdl;
1926         size_t len;
1927         int index_buf;
1928         u8 fb_data_fmt;
1929         u8 pixel_width;
1930         u32 vir_width_bit;
1931         u32 stride, uv_stride;
1932         u32 stride_32bit_1;
1933         u32 stride_32bit_2;
1934         u16 uv_x_off, uv_y_off, uv_y_act;
1935         u8 is_pic_yuv = 0;
1936         u8 ppixel_a = 0, global_a = 0;
1937         ion_phys_addr_t phy_addr;
1938         int ret = 0;
1939
1940         reg_win_data->reg_area_data[0].smem_start = -1;
1941         reg_win_data->area_num = 0;
1942         fbi = rk_fb->fb[reg_win_data->win_id];
1943         if (win_par->area_par[0].phy_addr == 0) {
1944                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1945                         ion_fd = win_par->area_par[i].ion_fd;
1946                         if (ion_fd > 0) {
1947                                 hdl =
1948                                     ion_import_dma_buf(rk_fb->ion_client,
1949                                                        ion_fd);
1950                                 if (IS_ERR(hdl)) {
1951                                         pr_info
1952                                             ("%s: Could not import handle: %d\n",
1953                                              __func__, (int)hdl);
1954                                         /*return -EINVAL; */
1955                                         break;
1956                                 }
1957                                 fbi->screen_base =
1958                                     ion_map_kernel(rk_fb->ion_client, hdl);
1959                                 reg_win_data->area_num++;
1960                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
1961 #ifndef CONFIG_ROCKCHIP_IOMMU
1962                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1963                                                 &len);
1964 #else
1965                                 if (dev_drv->iommu_enabled)
1966                                         ret = ion_map_iommu(dev_drv->dev,
1967                                                                 rk_fb->ion_client,
1968                                                                 hdl,
1969                                                                 (unsigned long *)&phy_addr,
1970                                                                 (unsigned long *)&len);
1971                                 else
1972                                         ret = ion_phys(rk_fb->ion_client, hdl,
1973                                                         &phy_addr, &len);
1974 #endif
1975                                 if (ret < 0) {
1976                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
1977                                         ion_free(rk_fb->ion_client, hdl);
1978                                         return -ENOMEM;
1979                                 }
1980                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1981                                 reg_win_data->area_buf_num++;
1982                                 reg_win_data->reg_area_data[i].index_buf = 1;
1983                         }
1984                 }
1985         } else {
1986                 reg_win_data->reg_area_data[0].smem_start =
1987                     win_par->area_par[0].phy_addr;
1988                 reg_win_data->area_num = 1;
1989                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1990         }
1991
1992         if (reg_win_data->area_num == 0)
1993                 return 0;
1994
1995         for (i = 0; i < reg_win_data->area_num; i++) {
1996                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1997                 index_buf = reg_win_data->reg_area_data[i].index_buf;
1998                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1999                         reg_win_data->reg_area_data[i].acq_fence =
2000                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2001                 }
2002         }
2003         fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2004         reg_win_data->data_format = fb_data_fmt;
2005         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2006
2007         ppixel_a = ((fb_data_fmt == ARGB888) ||
2008                     (fb_data_fmt == ABGR888)) ? 1 : 0;
2009         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2010         reg_win_data->alpha_en = ppixel_a | global_a;
2011         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2012         reg_win_data->alpha_mode = win_par->alpha_mode;
2013         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2014                 reg_win_data->z_order = win_par->z_order;
2015                 reg_win_data->win_id = win_par->win_id;
2016         } else {
2017                 reg_win_data->z_order = -1;
2018                 reg_win_data->win_id = -1;
2019         }
2020
2021         rk_fb_get_prmry_screen(&primary_screen);
2022         for (i = 0; i < reg_win_data->area_num; i++) {
2023                 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2024                 /* visiable pos in panel */
2025                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2026                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2027
2028                 /* realy size in panel */
2029                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2030                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2031
2032                 /* realy size in panel */
2033                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2034                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2035
2036                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2037                 yoffset = win_par->area_par[i].y_offset;
2038                 xvir = win_par->area_par[i].xvir;
2039                 reg_win_data->reg_area_data[i].xvir = xvir;
2040                 yvir = win_par->area_par[i].yvir;
2041                 reg_win_data->reg_area_data[i].yvir = yvir;
2042
2043                 vir_width_bit = pixel_width * xvir;
2044                 /* pixel_width = byte_num*8 */
2045                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2046                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2047
2048                 stride = stride_32bit_1;        /* default rgb */
2049                 fix->line_length = stride;
2050                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2051
2052                 /* x y mirror ,jump line
2053                  * reg_win_data->reg_area_data[i].y_offset =
2054                  *              yoffset*stride+xoffset*pixel_width/8;
2055                  */
2056                 if (screen->y_mirror == 1) {
2057                         if (screen->interlace == 1) {
2058                                 reg_win_data->reg_area_data[i].y_offset =
2059                                     yoffset * stride * 2 +
2060                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2061                                     xoffset * pixel_width / 8;
2062                         } else {
2063                                 reg_win_data->reg_area_data[i].y_offset =
2064                                     yoffset * stride +
2065                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2066                                     xoffset * pixel_width / 8;
2067                         }
2068                 } else {
2069                         if (screen->interlace == 1) {
2070                                 reg_win_data->reg_area_data[i].y_offset =
2071                                     yoffset * stride * 2 +
2072                                     xoffset * pixel_width / 8;
2073                         } else {
2074                                 reg_win_data->reg_area_data[i].y_offset =
2075                                     yoffset * stride +
2076                                     xoffset * pixel_width / 8;
2077                         }
2078                 }
2079         }
2080         switch (fb_data_fmt) {
2081         case YUV422:
2082         case YUV422_A:
2083                 is_pic_yuv = 1;
2084                 stride = stride_32bit_1;
2085                 uv_stride = stride_32bit_1 >> 1;
2086                 uv_x_off = xoffset >> 1;
2087                 uv_y_off = yoffset;
2088                 fix->line_length = stride;
2089                 uv_y_act = win_par->area_par[0].yact >> 1;
2090                 break;
2091         case YUV420:            /* 420sp */
2092         case YUV420_A:
2093                 is_pic_yuv = 1;
2094                 stride = stride_32bit_1;
2095                 uv_stride = stride_32bit_1;
2096                 uv_x_off = xoffset;
2097                 uv_y_off = yoffset >> 1;
2098                 fix->line_length = stride;
2099                 uv_y_act = win_par->area_par[0].yact >> 1;
2100                 break;
2101         case YUV444:
2102         case YUV444_A:
2103                 is_pic_yuv = 1;
2104                 stride = stride_32bit_1;
2105                 uv_stride = stride_32bit_2;
2106                 uv_x_off = xoffset * 2;
2107                 uv_y_off = yoffset;
2108                 fix->line_length = stride << 2;
2109                 uv_y_act = win_par->area_par[0].yact;
2110                 break;
2111         default:
2112                 break;
2113         }
2114         if (is_pic_yuv == 1) {
2115                 reg_win_data->reg_area_data[0].cbr_start =
2116                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2117                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2118                 if (screen->y_mirror == 1) {
2119                         if (screen->interlace == 1) {
2120                                 reg_win_data->reg_area_data[0].c_offset =
2121                                     uv_y_off * uv_stride * 2 +
2122                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2123                                     uv_x_off * pixel_width / 8;
2124                         } else {
2125                                 reg_win_data->reg_area_data[0].c_offset =
2126                                     uv_y_off * uv_stride +
2127                                     (uv_y_act - 1) * uv_stride +
2128                                     uv_x_off * pixel_width / 8;
2129                         }
2130                 } else {
2131                         if (screen->interlace == 1) {
2132                                 reg_win_data->reg_area_data[0].c_offset =
2133                                     uv_y_off * uv_stride * 2 +
2134                                     uv_x_off * pixel_width / 8;
2135                         } else {
2136                                 reg_win_data->reg_area_data[0].c_offset =
2137                                     uv_y_off * uv_stride +
2138                                     uv_x_off * pixel_width / 8;
2139                         }
2140                 }
2141         }
2142         return 0;
2143 }
2144
2145 static int rk_fb_set_win_config(struct fb_info *info,
2146                                 struct rk_fb_win_cfg_data *win_data)
2147 {
2148         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2149         struct rk_fb_reg_data *regs;
2150 #ifdef H_USE_FENCE
2151         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2152         struct sync_fence *retire_fence;
2153         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2154         struct sync_pt *retire_sync_pt;
2155         char fence_name[20];
2156 #endif
2157         int ret = 0, i, j = 0;
2158         int list_is_empty = 0;
2159
2160         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2161         if (!regs) {
2162                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2163                 ret = -ENOMEM;
2164                 return ret;
2165         }
2166
2167 /*
2168         regs->post_cfg.xpos = win_data->post_cfg.xpos;
2169         regs->post_cfg.ypos = win_data->post_cfg.ypos;
2170         regs->post_cfg.xsize = win_data->post_cfg.xsize;
2171         regs->post_cfg.ysize = win_data->post_cfg.xsize;
2172 */
2173
2174         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2175                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2176                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2177                                                         &regs->reg_win_data[j]))
2178                                 return -ENOMEM;
2179                         if (regs->reg_win_data[j].area_num > 0) {
2180                                 regs->win_num++;
2181                                 regs->buf_num +=
2182                                     regs->reg_win_data[j].area_buf_num;
2183                         }
2184                         j++;
2185                 } else {
2186                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2187                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2188                                win_data->win_par[i].win_id);
2189                 }
2190         }
2191
2192         mutex_lock(&dev_drv->output_lock);
2193         if (!(dev_drv->suspend_flag == 0)) {
2194                 rk_fb_update_reg(dev_drv, regs);
2195                 kfree(regs);
2196                 printk(KERN_INFO "suspend_flag = 1\n");
2197                 goto err;
2198         }
2199
2200         dev_drv->timeline_max++;
2201 #ifdef H_USE_FENCE
2202         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2203                 if (i < regs->buf_num) {
2204                         sprintf(fence_name, "fence%d", i);
2205                         win_data->rel_fence_fd[i] = get_unused_fd();
2206                         if (win_data->rel_fence_fd[i] < 0) {
2207                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2208                                        win_data->rel_fence_fd[i]);
2209                                 ret = -EFAULT;
2210                                 goto err;
2211                         }
2212                         release_sync_pt[i] =
2213                             sw_sync_pt_create(dev_drv->timeline,
2214                                               dev_drv->timeline_max);
2215                         release_fence[i] =
2216                             sync_fence_create(fence_name, release_sync_pt[i]);
2217                         sync_fence_install(release_fence[i],
2218                                            win_data->rel_fence_fd[i]);
2219                 } else {
2220                         win_data->rel_fence_fd[i] = -1;
2221                 }
2222         }
2223
2224         win_data->ret_fence_fd = get_unused_fd();
2225         if (win_data->ret_fence_fd < 0) {
2226                 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2227                 ret = -EFAULT;
2228                 goto err;
2229         }
2230         retire_sync_pt =
2231             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2232         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2233         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2234 #else
2235         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2236                 win_data->rel_fence_fd[i] = -1;
2237
2238         win_data->ret_fence_fd = -1;
2239 #endif
2240         if (dev_drv->wait_fs == 0) {
2241                 mutex_lock(&dev_drv->update_regs_list_lock);
2242                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2243                 mutex_unlock(&dev_drv->update_regs_list_lock);
2244                 queue_kthread_work(&dev_drv->update_regs_worker,
2245                                    &dev_drv->update_regs_work);
2246         } else {
2247                 mutex_lock(&dev_drv->update_regs_list_lock);
2248                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2249                                         list_empty(&saved_list);
2250                 mutex_unlock(&dev_drv->update_regs_list_lock);
2251                 if (!list_is_empty) {
2252                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2253                                 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2254                                 msecs_to_jiffies(60));
2255                         if (ret > 0)
2256                                 rk_fb_update_reg(dev_drv, regs);
2257                         else
2258                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2259                 } else if (ret == 0) {
2260                         rk_fb_update_reg(dev_drv, regs);
2261                 }
2262                 kfree(regs);
2263         }
2264
2265 err:
2266         mutex_unlock(&dev_drv->output_lock);
2267         return ret;
2268 }
2269
2270 #if 1
2271 static int cfgdone_distlist[10] = { 0 };
2272
2273 static int cfgdone_index;
2274 static int cfgdone_lasttime;
2275
2276 int rk_get_real_fps(int before)
2277 {
2278         struct timespec now;
2279         int dist_curr;
2280         int dist_total = 0;
2281         int dist_count = 0;
2282         int dist_first = 0;
2283
2284         int index = cfgdone_index;
2285         int i = 0, fps = 0;
2286         int total;
2287
2288         if (before > 100)
2289                 before = 100;
2290         if (before < 0)
2291                 before = 0;
2292
2293         getnstimeofday(&now);
2294         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2295                         cfgdone_lasttime;
2296         total = dist_curr;
2297         /*
2298            printk("fps: ");
2299          */
2300         for (i = 0; i < 10; i++) {
2301                 if (--index < 0)
2302                         index = 9;
2303                 total += cfgdone_distlist[index];
2304                 if (i == 0)
2305                         dist_first = cfgdone_distlist[index];
2306                 if (total < (before * 1000)) {
2307                         /*
2308                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2309                          */
2310                         dist_total += cfgdone_distlist[index];
2311                         dist_count++;
2312                 } else {
2313                         break;
2314                 }
2315         }
2316
2317         /*
2318            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2319          */
2320         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2321         dist_total += dist_curr;
2322         dist_count++;
2323
2324         if (dist_total > 0)
2325                 fps = (1000000 * dist_count) / dist_total;
2326         else
2327                 fps = 60;
2328
2329         /*
2330            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2331          */
2332         return fps;
2333 }
2334 EXPORT_SYMBOL(rk_get_real_fps);
2335
2336 #endif
2337 #ifdef CONFIG_ROCKCHIP_IOMMU
2338 #define ION_MAX 10
2339 static struct ion_handle *ion_hanle[ION_MAX];
2340 #endif
2341 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2342                        unsigned long arg)
2343 {
2344         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2345         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2346         struct fb_fix_screeninfo *fix = &info->fix;
2347         int fb_id = 0, extend_win_id = 0;
2348         struct fb_info *extend_info = NULL;
2349         struct rk_lcdc_driver *extend_dev_drv = NULL;
2350         struct rk_lcdc_win *extend_win = NULL;
2351         struct rk_lcdc_win *win;
2352         int enable;     /* enable fb:1 enable;0 disable */
2353         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2354         int num_buf;    /* buffer_number */
2355         int ret;
2356         struct rk_fb_win_cfg_data win_data;
2357         unsigned int dsp_addr[4];
2358         int list_stat;
2359
2360         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2361
2362         void __user *argp = (void __user *)arg;
2363         win = dev_drv->win[win_id];
2364         if (rk_fb->disp_mode == DUAL) {
2365                 fb_id = get_extend_fb_id(info);
2366                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2367                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2368                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2369                                                             extend_info->fix.id);
2370                 extend_win = extend_dev_drv->win[extend_win_id];
2371         }
2372
2373         switch (cmd) {
2374         case RK_FBIOSET_YUV_ADDR:
2375                 {
2376                         u32 yuv_phy[2];
2377
2378                         if (copy_from_user(yuv_phy, argp, 8))
2379                                 return -EFAULT;
2380                         #ifdef CONFIG_ROCKCHIP_IOMMU
2381                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2382                         #endif
2383                                 fix->smem_start = yuv_phy[0];
2384                                 fix->mmio_start = yuv_phy[1];
2385                         #ifdef CONFIG_ROCKCHIP_IOMMU
2386                         } else {
2387                                 int usr_fd, offset, tmp;
2388                                 struct ion_handle *hdl;
2389                                 ion_phys_addr_t phy_addr;
2390                                 size_t len;
2391
2392                                 usr_fd = yuv_phy[0];
2393                                 offset = yuv_phy[1] - yuv_phy[0];
2394
2395                                 if (!usr_fd) {
2396                                         fix->smem_start = 0;
2397                                         fix->mmio_start = 0;
2398                                         break;
2399                                 }
2400
2401                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2402                                 if (IS_ERR(hdl)) {
2403                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2404                                                 PTR_ERR(hdl));
2405                                         return -EFAULT;
2406                                 }
2407                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2408                                                         (unsigned long *)&phy_addr,
2409                                                         (unsigned long *)&len);
2410                                 if (ret < 0) {
2411                                         dev_err(info->dev, "ion map to get phy addr failed");
2412                                         ion_free(rk_fb->ion_client, hdl);
2413                                         return -ENOMEM;
2414                                 }
2415                                 fix->smem_start = phy_addr;
2416                                 fix->mmio_start = phy_addr + offset;
2417
2418                                 if (ion_hanle[ION_MAX - 1] != 0) {
2419                                         ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2420                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2421                                 }
2422                                 ion_hanle[0] = hdl;
2423
2424                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2425                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2426                                 ion_hanle[0] = 0;
2427                         }
2428                         #endif
2429                         break;
2430                 }
2431         case RK_FBIOSET_ENABLE:
2432                 if (copy_from_user(&enable, argp, sizeof(enable)))
2433                         return -EFAULT;
2434                 dev_drv->ops->open(dev_drv, win_id, enable);
2435                 break;
2436         case RK_FBIOGET_ENABLE:
2437                 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2438                 if (copy_to_user(argp, &enable, sizeof(enable)))
2439                         return -EFAULT;
2440                 break;
2441         case RK_FBIOSET_OVERLAY_STA:
2442                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2443                         return -EFAULT;
2444                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2445                 break;
2446         case RK_FBIOGET_OVERLAY_STA:
2447                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2448                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2449                         return -EFAULT;
2450                 break;
2451         case RK_FBIOPUT_NUM_BUFFERS:
2452                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2453                         return -EFAULT;
2454                 dev_drv->num_buf = num_buf;
2455                 break;
2456         case RK_FBIOSET_VSYNC_ENABLE:
2457                 if (copy_from_user(&enable, argp, sizeof(enable)))
2458                         return -EFAULT;
2459                 dev_drv->vsync_info.active = enable;
2460                 break;
2461
2462         case RK_FBIOGET_DSP_ADDR:
2463                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2464                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2465                         return -EFAULT;
2466                 break;
2467         case RK_FBIOGET_LIST_STA:
2468                 list_stat = rk_fb_get_list_stat(dev_drv);
2469                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2470                         return -EFAULT;
2471
2472                 break;
2473         case RK_FBIOGET_IOMMU_STA:
2474                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2475                                  sizeof(dev_drv->iommu_enabled)))
2476                         return -EFAULT;
2477                 break;
2478 #if defined(CONFIG_ION_ROCKCHIP)
2479         case RK_FBIOSET_DMABUF_FD:
2480                 {
2481                         int usr_fd;
2482                         struct ion_handle *hdl;
2483                         ion_phys_addr_t phy_addr;
2484                         size_t len;
2485                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2486                                 return -EFAULT;
2487                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2488                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2489                         fix->smem_start = phy_addr;
2490                         break;
2491                 }
2492         case RK_FBIOGET_DMABUF_FD:
2493                 {
2494                         int fd =
2495                             ion_share_dma_buf_fd(rk_fb->ion_client,
2496                                                  win->area[0].ion_hdl);
2497                         if (fd < 0) {
2498                                 dev_err(info->dev,
2499                                         "ion_share_dma_buf_fd failed\n");
2500                                 return fd;
2501                         }
2502                         if (copy_to_user(argp, &fd, sizeof(fd)))
2503                                 return -EFAULT;
2504                         break;
2505                 }
2506 #endif
2507         case RK_FBIOSET_CLEAR_FB:
2508                 memset(info->screen_base, 0, get_fb_size());
2509                 break;
2510         case RK_FBIOSET_CONFIG_DONE:
2511                 {
2512                         int curr = 0;
2513                         struct timespec now;
2514
2515                         getnstimeofday(&now);
2516                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2517                         cfgdone_distlist[cfgdone_index++] =
2518                             curr - cfgdone_lasttime;
2519                         /*
2520                            printk("%d ", curr - cfgdone_lasttime);
2521                          */
2522                         cfgdone_lasttime = curr;
2523                         if (cfgdone_index >= 10)
2524                                 cfgdone_index = 0;
2525                 }
2526                 if (copy_from_user(&win_data,
2527                                    (struct rk_fb_win_cfg_data __user *)argp,
2528                                    sizeof(win_data))) {
2529                         ret = -EFAULT;
2530                         break;
2531                 };
2532
2533                 dev_drv->wait_fs = win_data.wait_fs;
2534                 rk_fb_set_win_config(info, &win_data);
2535
2536                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2537                                  &win_data, sizeof(win_data))) {
2538                         ret = -EFAULT;
2539                         break;
2540                 }
2541                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2542                 break;
2543         default:
2544                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2545                 break;
2546         }
2547
2548         return 0;
2549 }
2550
2551 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2552 {
2553         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2554         struct fb_fix_screeninfo *fix = &info->fix;
2555         int win_id;
2556 #if defined(CONFIG_RK_HDMI)
2557         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2558 #endif
2559
2560         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2561         if (win_id < 0)
2562                 return -ENODEV;
2563 #if defined(CONFIG_RK_HDMI)
2564         if ((rk_fb->disp_mode == ONE_DUAL) &&
2565             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2566                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2567         } else
2568 #endif
2569         {
2570                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2571         }
2572         return 0;
2573 }
2574
2575 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2576 {
2577         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2578             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2579             ((16 != var->bits_per_pixel) &&
2580             (32 != var->bits_per_pixel) &&
2581             (24 != var->bits_per_pixel))) {
2582                 dev_err(info->dev, "%s check var fail 1:\n"
2583                         "xres_vir:%d>>yres_vir:%d\n"
2584                         "xres:%d>>yres:%d\n"
2585                         "bits_per_pixel:%d\n",
2586                         info->fix.id,
2587                         var->xres_virtual,
2588                         var->yres_virtual,
2589                         var->xres, var->yres, var->bits_per_pixel);
2590                 return -EINVAL;
2591         }
2592
2593         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2594             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2595                 dev_err(info->dev, "%s check_var fail 2:\n"
2596                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2597                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2598                         info->fix.id,
2599                         var->xoffset,
2600                         var->xres,
2601                         var->xres_virtual,
2602                         var->yoffset, var->yres, var->yres_virtual);
2603                 return -EINVAL;
2604         }
2605
2606         return 0;
2607 }
2608
2609 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2610                           size_t count, loff_t *ppos)
2611 {
2612         unsigned long p = *ppos;
2613         u8 *buffer, *dst;
2614         u8 __iomem *src;
2615         int c, cnt = 0, err = 0;
2616         unsigned long total_size;
2617         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2618         struct rk_lcdc_win *win = NULL;
2619         int win_id = 0;
2620
2621         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2622         if (win_id < 0)
2623                 return -ENODEV;
2624         else
2625                 win = dev_drv->win[win_id];
2626
2627         /* only read the current frame buffer */
2628         if (win->format == RGB565) {
2629                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2630         } else if (win->format == YUV420) {
2631                 total_size =
2632                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2633         } else {
2634                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2635         }
2636         if (p >= total_size)
2637                 return 0;
2638
2639         if (count >= total_size)
2640                 count = total_size;
2641
2642         if (count + p > total_size)
2643                 count = total_size - p;
2644
2645         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2646         if (!buffer)
2647                 return -ENOMEM;
2648
2649         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2650
2651         while (count) {
2652                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2653                 dst = buffer;
2654                 fb_memcpy_fromfb(dst, src, c);
2655                 dst += c;
2656                 src += c;
2657
2658                 if (copy_to_user(buf, buffer, c)) {
2659                         err = -EFAULT;
2660                         break;
2661                 }
2662                 *ppos += c;
2663                 buf += c;
2664                 cnt += c;
2665                 count -= c;
2666         }
2667
2668         kfree(buffer);
2669
2670         return (err) ? err : cnt;
2671 }
2672
2673 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2674                            size_t count, loff_t *ppos)
2675 {
2676         unsigned long p = *ppos;
2677         u8 *buffer, *src;
2678         u8 __iomem *dst;
2679         int c, cnt = 0, err = 0;
2680         unsigned long total_size;
2681         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2682         struct rk_lcdc_win *win = NULL;
2683         int win_id = 0;
2684
2685         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2686         if (win_id < 0)
2687                 return -ENODEV;
2688         else
2689                 win = dev_drv->win[win_id];
2690
2691         /* write the current frame buffer */
2692         if (win->format == RGB565)
2693                 total_size = win->area[0].xact * win->area[0].yact << 1;
2694         else
2695                 total_size = win->area[0].xact * win->area[0].yact << 2;
2696
2697         if (p > total_size)
2698                 return -EFBIG;
2699
2700         if (count > total_size) {
2701                 err = -EFBIG;
2702                 count = total_size;
2703         }
2704
2705         if (count + p > total_size) {
2706                 if (!err)
2707                         err = -ENOSPC;
2708
2709                 count = total_size - p;
2710         }
2711
2712         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2713         if (!buffer)
2714                 return -ENOMEM;
2715
2716         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2717
2718         while (count) {
2719                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2720                 src = buffer;
2721
2722                 if (copy_from_user(src, buf, c)) {
2723                         err = -EFAULT;
2724                         break;
2725                 }
2726
2727                 fb_memcpy_tofb(dst, src, c);
2728                 dst += c;
2729                 src += c;
2730                 *ppos += c;
2731                 buf += c;
2732                 cnt += c;
2733                 count -= c;
2734         }
2735
2736         kfree(buffer);
2737
2738         return (cnt) ? cnt : err;
2739 }
2740
2741 static int rk_fb_set_par(struct fb_info *info)
2742 {
2743         struct fb_var_screeninfo *var = &info->var;
2744         struct fb_fix_screeninfo *fix = &info->fix;
2745         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2746         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2747         int fb_id, extend_win_id = 0;
2748         struct fb_info *extend_info = NULL;
2749         struct rk_lcdc_driver *extend_dev_drv = NULL;
2750         struct rk_lcdc_win *extend_win = NULL;
2751         struct rk_lcdc_win *win = NULL;
2752         struct rk_screen *screen = dev_drv->cur_screen;
2753         struct rk_screen screen_primary;
2754         int win_id = 0;
2755         u32 cblen = 0, crlen = 0;
2756         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2757         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
2758         u32 yoffset = var->yoffset;
2759         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
2760         u16 ypos = (var->nonstd >> 20) & 0xfff;
2761         u32 xvir = var->xres_virtual;
2762         u32 yvir = var->yres_virtual;
2763         u8 data_format = var->nonstd & 0xff;
2764         u8 fb_data_fmt;
2765         u8 pixel_width;
2766         u32 vir_width_bit;
2767         u32 stride, uv_stride;
2768         u32 stride_32bit_1;
2769         u32 stride_32bit_2;
2770         u16 uv_x_off, uv_y_off, uv_y_act;
2771         u8 is_pic_yuv = 0;
2772
2773         var->pixclock = dev_drv->pixclock;
2774         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2775         if (win_id < 0)
2776                 return -ENODEV;
2777         else
2778                 win = dev_drv->win[win_id];
2779         if (rk_fb->disp_mode == DUAL) {
2780                 fb_id = get_extend_fb_id(info);
2781                 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2782                 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2783                 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2784                                                             extend_info->fix.
2785                                                             id);
2786                 extend_win = extend_dev_drv->win[extend_win_id];
2787         }
2788         /* if the application has specific the horizontal and vertical display size */
2789         if (var->grayscale >> 8) {
2790                 xsize = (var->grayscale >> 8) & 0xfff;
2791                 ysize = (var->grayscale >> 20) & 0xfff;
2792         } else {                /*ohterwise  full  screen display */
2793                 xsize = screen->mode.xres;
2794                 ysize = screen->mode.yres;
2795         }
2796
2797         /* this is for device like rk2928/rk312x,
2798          * which have one lcdc but two display outputs
2799          * save win parameter set by android
2800          */
2801         if (rk_fb->disp_mode != DUAL) {
2802                 if (screen->screen_id == 0) {
2803                         dev_drv->screen0->xsize = xsize;
2804                         dev_drv->screen0->ysize = ysize;
2805                         dev_drv->screen0->xpos = xpos;
2806                         dev_drv->screen0->ypos = ypos;
2807                 } else {
2808                         xsize = dev_drv->screen1->xsize;
2809                         ysize = dev_drv->screen1->ysize;
2810                         xpos = dev_drv->screen1->xpos;
2811                         ypos = dev_drv->screen1->ypos;
2812                 }
2813         }
2814
2815         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2816         pixel_width = rk_fb_pixel_width(fb_data_fmt);
2817         vir_width_bit = pixel_width * xvir;
2818         /* pixel_width = byte_num * 8 */
2819         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2820         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2821
2822         switch (fb_data_fmt) {
2823         case YUV422:
2824         case YUV422_A:
2825                 is_pic_yuv = 1;
2826                 stride = stride_32bit_1;
2827                 uv_stride = stride_32bit_1 >> 1;
2828                 uv_x_off = xoffset >> 1;
2829                 uv_y_off = yoffset;
2830                 fix->line_length = stride;
2831                 cblen = crlen = (xvir * yvir) >> 1;
2832                 uv_y_act = win->area[0].yact >> 1;
2833                 break;
2834         case YUV420:            /* 420sp */
2835         case YUV420_A:
2836                 is_pic_yuv = 1;
2837                 stride = stride_32bit_1;
2838                 uv_stride = stride_32bit_1;
2839                 uv_x_off = xoffset;
2840                 uv_y_off = yoffset >> 1;
2841                 fix->line_length = stride;
2842                 cblen = crlen = (xvir * yvir) >> 2;
2843                 uv_y_act = win->area[0].yact >> 1;
2844                 break;
2845         case YUV444:
2846         case YUV444_A:
2847                 is_pic_yuv = 1;
2848                 stride = stride_32bit_1;
2849                 uv_stride = stride_32bit_2;
2850                 uv_x_off = xoffset * 2;
2851                 uv_y_off = yoffset;
2852                 fix->line_length = stride << 2;
2853                 cblen = crlen = (xvir * yvir);
2854                 uv_y_act = win->area[0].yact;
2855                 break;
2856         default:
2857                 stride = stride_32bit_1;        /* default rgb */
2858                 fix->line_length = stride;
2859                 break;
2860         }
2861
2862         /* x y mirror ,jump line */
2863         if (screen->y_mirror == 1) {
2864                 if (screen->interlace == 1) {
2865                         win->area[0].y_offset = yoffset * stride * 2 +
2866                             ((win->area[0].yact - 1) * 2 + 1) * stride +
2867                             xoffset * pixel_width / 8;
2868                 } else {
2869                         win->area[0].y_offset = yoffset * stride +
2870                             (win->area[0].yact - 1) * stride +
2871                             xoffset * pixel_width / 8;
2872                 }
2873         } else {
2874                 if (screen->interlace == 1) {
2875                         win->area[0].y_offset =
2876                             yoffset * stride * 2 + xoffset * pixel_width / 8;
2877                 } else {
2878                         win->area[0].y_offset =
2879                             yoffset * stride + xoffset * pixel_width / 8;
2880                 }
2881         }
2882         if (is_pic_yuv == 1) {
2883                 if (screen->y_mirror == 1) {
2884                         if (screen->interlace == 1) {
2885                                 win->area[0].c_offset =
2886                                     uv_y_off * uv_stride * 2 +
2887                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2888                                     uv_x_off * pixel_width / 8;
2889                         } else {
2890                                 win->area[0].c_offset = uv_y_off * uv_stride +
2891                                     (uv_y_act - 1) * uv_stride +
2892                                     uv_x_off * pixel_width / 8;
2893                         }
2894                 } else {
2895                         if (screen->interlace == 1) {
2896                                 win->area[0].c_offset =
2897                                     uv_y_off * uv_stride * 2 +
2898                                     uv_x_off * pixel_width / 8;
2899                         } else {
2900                                 win->area[0].c_offset =
2901                                     uv_y_off * uv_stride +
2902                                     uv_x_off * pixel_width / 8;
2903                         }
2904                 }
2905         }
2906
2907         rk_fb_get_prmry_screen(&screen_primary);
2908         win->format = fb_data_fmt;
2909         win->area[0].y_vir_stride = stride >> 2;
2910         win->area[0].uv_vir_stride = uv_stride >> 2;
2911         win->area[0].xpos = xpos*screen->mode.xres/screen_primary.mode.xres;
2912         win->area[0].ypos = ypos*screen->mode.yres/screen_primary.mode.yres;
2913         win->area[0].xsize = screen->mode.xres*xsize/screen_primary.mode.xres;
2914         win->area[0].ysize = screen->mode.yres*ysize/screen_primary.mode.yres;
2915         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
2916         win->area[0].yact = var->yres;
2917         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
2918         win->area[0].yvir = var->yres_virtual;
2919
2920         win->area_num = 1;
2921         win->alpha_mode = 4;    /* AB_SRC_OVER; */
2922         win->alpha_en = ((win->format == ARGB888) ||
2923                          (win->format == ABGR888)) ? 1 : 0;
2924         win->g_alpha_val = 0;
2925
2926         if (rk_fb->disp_mode == DUAL) {
2927                 if (extend_win->state && (hdmi_switch_complete)) {
2928                         if (info != extend_info) {
2929                                 if (win->area[0].xact < win->area[0].yact) {
2930                                         extend_win->area[0].xact =
2931                                             win->area[0].yact;
2932                                         extend_win->area[0].yact =
2933                                             win->area[0].xact;
2934                                         extend_win->area[0].xvir =
2935                                             win->area[0].yact;
2936                                         extend_info->var.xres = var->yres;
2937                                         extend_info->var.yres = var->xres;
2938                                         extend_info->var.xres_virtual =
2939                                             var->yres;
2940                                 } else {
2941                                         extend_win->area[0].xact =
2942                                             win->area[0].xact;
2943                                         extend_win->area[0].yact =
2944                                             win->area[0].yact;
2945                                         extend_win->area[0].xvir =
2946                                             win->area[0].xvir;
2947                                         extend_info->var.xres = var->xres;
2948                                         extend_info->var.yres = var->yres;
2949                                         extend_info->var.xres_virtual =
2950                                             var->xres_virtual;
2951                                 }
2952                                 extend_win->area[0].y_vir_stride =
2953                                     win->area[0].y_vir_stride;
2954                                 extend_win->area[0].uv_vir_stride =
2955                                     win->area[0].uv_vir_stride;
2956                                 if (win->area[0].xpos != 0 ||
2957                                     win->area[0].ypos != 0) {
2958                                         extend_win->area[0].xsize =
2959                                             (extend_dev_drv->cur_screen->xsize * win->area[0].xsize) / screen->mode.xres;
2960                                         extend_win->area[0].ysize =
2961                                             (extend_dev_drv->cur_screen->ysize * win->area[0].ysize) / screen->mode.yres;
2962                                         extend_win->area[0].xpos =
2963                                             ((extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1) +
2964                                             extend_dev_drv->cur_screen->xsize * win->area[0].xpos / screen->mode.xres;
2965                                         extend_win->area[0].ypos =
2966                                             ((extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1) +
2967                                             extend_dev_drv->cur_screen->ysize * win->area[0].ypos / screen->mode.yres;
2968                                 } else {        /* the display image of the primary screen is full screen size */
2969                                         extend_win->area[0].xpos =
2970                                             (extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1;
2971                                         extend_win->area[0].ypos =
2972                                             (extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1;
2973                                         extend_win->area[0].xsize =
2974                                             extend_dev_drv->cur_screen->xsize;
2975                                         extend_win->area[0].ysize =
2976                                             extend_dev_drv->cur_screen->ysize;
2977                                 }
2978
2979                                 extend_win->area[0].state = 1;
2980                                 extend_win->area_num = 1;
2981                                 extend_win->alpha_en = 0;
2982                                 extend_win->format = win->format;
2983                                 extend_info->var.nonstd &= 0xffffff00;
2984                                 extend_info->var.nonstd |= data_format;
2985                                 extend_dev_drv->ops->set_par(extend_dev_drv,
2986                                                              extend_win_id);
2987                         }
2988                 }
2989         }
2990         dev_drv->ops->set_par(dev_drv, win_id);
2991
2992         return 0;
2993 }
2994
2995 static inline unsigned int chan_to_field(unsigned int chan,
2996                                          struct fb_bitfield *bf)
2997 {
2998         chan &= 0xffff;
2999         chan >>= 16 - bf->length;
3000         return chan << bf->offset;
3001 }
3002
3003 static int fb_setcolreg(unsigned regno,
3004                         unsigned red, unsigned green, unsigned blue,
3005                         unsigned transp, struct fb_info *info)
3006 {
3007         unsigned int val;
3008
3009         switch (info->fix.visual) {
3010         case FB_VISUAL_TRUECOLOR:
3011                 /* true-colour, use pseudo-palette */
3012                 if (regno < 16) {
3013                         u32 *pal = info->pseudo_palette;
3014                         val = chan_to_field(red, &info->var.red);
3015                         val |= chan_to_field(green, &info->var.green);
3016                         val |= chan_to_field(blue, &info->var.blue);
3017                         pal[regno] = val;
3018                 }
3019                 break;
3020         default:
3021                 return -1;      /* unknown type */
3022         }
3023
3024         return 0;
3025 }
3026
3027 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3028 {
3029         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
3030         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3031         struct rk_lcdc_win *win;
3032         win = dev_drv->win[win_id];
3033
3034         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3035
3036         return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
3037 }
3038
3039 static struct fb_ops fb_ops = {
3040         .owner = THIS_MODULE,
3041         .fb_open = rk_fb_open,
3042         .fb_release = rk_fb_close,
3043         .fb_check_var = rk_fb_check_var,
3044         .fb_set_par = rk_fb_set_par,
3045         .fb_blank = rk_fb_blank,
3046         .fb_ioctl = rk_fb_ioctl,
3047         .fb_pan_display = rk_fb_pan_display,
3048         .fb_read = rk_fb_read,
3049         .fb_write = rk_fb_write,
3050         .fb_setcolreg = fb_setcolreg,
3051         .fb_fillrect = cfb_fillrect,
3052         .fb_copyarea = cfb_copyarea,
3053         .fb_imageblit = cfb_imageblit,
3054 };
3055
3056 static struct fb_var_screeninfo def_var = {
3057 #if defined(CONFIG_LOGO_LINUX_BMP)
3058         .red = {16, 8, 0},
3059         .green = {8, 8, 0},
3060         .blue = {0, 8, 0},
3061         .transp = {0, 0, 0},
3062         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3063 #else
3064         .red = {11, 5, 0},
3065         .green = {5, 6, 0},
3066         .blue = {0, 5, 0},
3067         .transp = {0, 0, 0},
3068         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3069 #endif
3070         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3071         .activate = FB_ACTIVATE_NOW,
3072         .accel_flags = 0,
3073         .vmode = FB_VMODE_NONINTERLACED,
3074 };
3075
3076 static struct fb_fix_screeninfo def_fix = {
3077         .type = FB_TYPE_PACKED_PIXELS,
3078         .type_aux = 0,
3079         .xpanstep = 1,
3080         .ypanstep = 1,
3081         .ywrapstep = 0,
3082         .accel = FB_ACCEL_NONE,
3083         .visual = FB_VISUAL_TRUECOLOR,
3084
3085 };
3086
3087 static int rk_fb_wait_for_vsync_thread(void *data)
3088 {
3089         struct rk_lcdc_driver *dev_drv = data;
3090         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3091         struct fb_info *fbi = rk_fb->fb[0];
3092
3093         while (!kthread_should_stop()) {
3094                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3095                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3096                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3097                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3098
3099                 if (!ret)
3100                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3101         }
3102
3103         return 0;
3104 }
3105
3106 static ssize_t rk_fb_vsync_show(struct device *dev,
3107                                 struct device_attribute *attr, char *buf)
3108 {
3109         struct fb_info *fbi = dev_get_drvdata(dev);
3110         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3111         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3112                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3113 }
3114
3115 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3116
3117 /*
3118  * this two function is for other module that in the kernel which
3119  * need show image directly through fb
3120  * fb_id:we have 4 fb here,default we use fb0 for ui display
3121  */
3122 struct fb_info *rk_get_fb(int fb_id)
3123 {
3124         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3125         struct fb_info *fb = inf->fb[fb_id];
3126         return fb;
3127 }
3128 EXPORT_SYMBOL(rk_get_fb);
3129
3130 void rk_direct_fb_show(struct fb_info *fbi)
3131 {
3132         rk_fb_set_par(fbi);
3133         rk_fb_pan_display(&fbi->var, fbi);
3134 }
3135 EXPORT_SYMBOL(rk_direct_fb_show);
3136
3137 int rk_fb_dpi_open(bool open)
3138 {
3139         struct rk_lcdc_driver *dev_drv = NULL;
3140         dev_drv = rk_get_prmry_lcdc_drv();
3141
3142         if (dev_drv->ops->dpi_open)
3143                 dev_drv->ops->dpi_open(dev_drv, open);
3144         return 0;
3145 }
3146
3147 int rk_fb_dpi_win_sel(int win_id)
3148 {
3149         struct rk_lcdc_driver *dev_drv = NULL;
3150         dev_drv = rk_get_prmry_lcdc_drv();
3151
3152         if (dev_drv->ops->dpi_win_sel)
3153                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3154         return 0;
3155 }
3156
3157 int rk_fb_dpi_status(void)
3158 {
3159         int ret = 0;
3160         struct rk_lcdc_driver *dev_drv = NULL;
3161
3162         dev_drv = rk_get_prmry_lcdc_drv();
3163         if (dev_drv->ops->dpi_status)
3164                 ret = dev_drv->ops->dpi_status(dev_drv);
3165
3166         return ret;
3167 }
3168
3169 /*
3170  * function: this function will be called to modify hdmi info according to
3171  *              pmy info for DUAL disp_mode when HDMI is used as EXTEND
3172  * @pmy_info: primary screen fb_info
3173  * @hdmi_info: hdmi screen fb_info
3174  * @screen: the hdmi screen info
3175  */
3176 static int rk_fb_hdmi_info_align(struct fb_info *pmy_info,
3177                                  struct fb_info *hdmi_info,
3178                                  struct rk_screen *screen)
3179 {
3180         struct rk_fb *inf =  platform_get_drvdata(fb_pdev);
3181         struct fb_var_screeninfo *hdmi_var = NULL;
3182         struct fb_var_screeninfo *pmy_var = NULL;
3183
3184         if(unlikely(!pmy_info) || unlikely(!hdmi_info))
3185                 return -1;
3186
3187         if (inf->disp_mode != DUAL || pmy_info == hdmi_info)
3188                 return 0;
3189
3190         pmy_var = &pmy_info->var;
3191         hdmi_var = &hdmi_info->var;
3192         if (pmy_var->xres < pmy_var->yres) {    /* vertical lcd screen */
3193                 hdmi_var->xres = pmy_var->yres;
3194                 hdmi_var->yres = pmy_var->xres;
3195                 hdmi_var->xres_virtual = pmy_var->yres;
3196         } else {
3197                 hdmi_var->xres = pmy_var->xres;
3198                 hdmi_var->yres = pmy_var->yres;
3199                 hdmi_var->xres_virtual = pmy_var->xres_virtual;
3200         }
3201
3202         /* use the same format as primary screen */
3203         hdmi_var->nonstd &= 0xffffff00;
3204         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);
3205
3206         if (screen) {
3207                 hdmi_var->grayscale &= 0xff;
3208                 hdmi_var->grayscale |= (screen->mode.xres << 8) +
3209                                         (screen->mode.yres << 20);
3210         }
3211
3212         return 0;
3213 }
3214
3215 #if 1
3216 /*
3217  * function: this function will be called by display device, enable/disable lcdc
3218  * @screen: screen timing to be set to lcdc
3219  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3220  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3221  */
3222 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3223 {
3224         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3225         struct fb_info *info = NULL;
3226         struct fb_info *pmy_info = NULL;
3227         struct rk_lcdc_driver *dev_drv = NULL;
3228         struct rk_lcdc_driver *pmy_dev_drv = rk_get_prmry_lcdc_drv();
3229         struct rk_screen primary_screen;
3230         char name[6] = {0};
3231         int i, win_id, load_screen = 0;
3232
3233         if (unlikely(!rk_fb) || unlikely(!pmy_dev_drv) || unlikely(!screen))
3234                 return -ENODEV;
3235
3236         rk_fb_get_prmry_screen(&primary_screen);
3237         sprintf(name, "lcdc%d", lcdc_id);
3238         if (rk_fb->disp_mode != DUAL) {
3239                 dev_drv = rk_fb->lcdc_dev_drv[0];
3240                 if (dev_drv == NULL) {
3241                         printk(KERN_ERR "%s driver not found!", name);
3242                         return -ENODEV;
3243                 }
3244                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
3245                         dev_drv->trsm_ops->disable();
3246                 /*
3247                  * switch lcdc screen to primary screen size that may
3248                  * used for MID, when hdmi remove if disp mode is ONE DUAL
3249                  */
3250                 if (primary_screen.type != SCREEN_HDMI) {
3251                         dev_drv->output_domain = OUTPUT_RGB_DOMAIN;
3252                         rk_fb_set_screen_scaler(&primary_screen, 0);
3253                 } else {
3254                         dev_drv->output_domain = OUTPUT_YUV_DOMAIN;
3255                 }
3256         } else {
3257                 dev_drv = rk_get_lcdc_drv(name);
3258                 if (dev_drv == NULL) {
3259                         printk(KERN_ERR "%s driver not found!", name);
3260                         return -ENODEV;
3261                 }
3262         }
3263         printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3264                dev_drv->id);
3265
3266         if (enable == 2 /*&& dev_drv->enable*/)
3267                 return 0;
3268
3269         if (!enable) {
3270                 /* if screen type is different, we do not disable lcdc. */
3271                 if (dev_drv->cur_screen->type != screen->type)
3272                         return 0;
3273
3274                 /* only double lcdc device or hdmi is used as primary
3275                  * need to close win
3276                  */
3277                 if (rk_fb->disp_mode == DUAL ||
3278                                 primary_screen.type == SCREEN_HDMI) {
3279                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3280                                 /* disable the layer which attached to
3281                                  * this device
3282                                  */
3283                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3284                                         dev_drv->ops->open(dev_drv, i, 0);
3285                         }
3286                 } else {
3287                         if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3288                                 dev_drv->trsm_ops->enable();
3289                 }
3290
3291                 hdmi_switch_complete = 0;
3292                 return 0;
3293         } else {
3294                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3295                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3296                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3297         }
3298
3299         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3300                 #ifdef DUAL_LCDC_MAP_TO_SAME_FB
3301                 info = rk_fb->fb[i];
3302                 dev_drv1 = (struct rk_lcdc_driver *)info->par;
3303                 if (dev_drv1 != dev_drv) {
3304                         info->par = dev_drv;
3305                         dev_drv->overscan = dev_drv1->overscan;
3306                         dev_drv->vsync_info.active = dev_drv1->vsync_info.active;
3307                 }
3308                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3309                 #else
3310                 info = rk_fb->fb[dev_drv->fb_index_base + i];
3311                 if (rk_fb->disp_mode == DUAL &&
3312                                 dev_drv != pmy_dev_drv) {
3313                         pmy_info = rk_fb->fb[pmy_dev_drv->fb_index_base + i];
3314                         rk_fb_hdmi_info_align(pmy_info, info,
3315                                                 dev_drv->cur_screen);
3316                 }
3317                 #endif
3318
3319                 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3320                 if (dev_drv->win[win_id]) {
3321                         #ifdef DUAL_LCDC_MAP_TO_SAME_FB
3322                         if (dev_drv1 && dev_drv1->win[win_id]) {
3323                                 dev_drv->win[win_id]->logicalstate = dev_drv1->win[win_id]->logicalstate;
3324                                 memcpy(dev_drv->win[win_id]->area, dev_drv1->win[win_id]->area, RK_WIN_MAX_AREA * sizeof(struct rk_lcdc_win_area));
3325                         }
3326                         #endif
3327                         if (rk_fb->disp_mode == DUAL) {
3328                                 if (dev_drv != pmy_dev_drv &&
3329                                                 pmy_dev_drv->win[win_id]) {
3330                                         dev_drv->win[win_id]->logicalstate =
3331                                                 pmy_dev_drv->win[win_id]->logicalstate;
3332                                 }
3333                         }
3334                         if (dev_drv->win[win_id]->logicalstate) {
3335                                 dev_drv->ops->open(dev_drv, win_id, 1);
3336                                 if (!load_screen) {
3337                                         dev_drv->ops->load_screen(dev_drv, 1);
3338                                         load_screen = 1;
3339                                 }
3340                                 info->var.activate |= FB_ACTIVATE_FORCE;
3341                                 info->fbops->fb_set_par(info);
3342                                 info->fbops->fb_pan_display(&info->var, info);
3343                         }
3344                 }
3345         }
3346
3347         hdmi_switch_complete = 1;
3348         if (rk_fb->disp_mode != DUAL &&
3349                         primary_screen.type != SCREEN_HDMI) {
3350                 rk_fb_set_screen_scaler(&primary_screen, 1);
3351                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3352                         dev_drv->trsm_ops->enable();
3353         }
3354         return 0;
3355 }
3356 #else
3357 /*
3358  * function:this function will be called by hdmi,when
3359  *             hdmi plug in/out
3360  * screen: the screen attached to hdmi
3361  * enable: 1,hdmi plug in,0,hdmi plug out
3362  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3363  */
3364 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3365 {
3366         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3367         struct fb_info *info = NULL;
3368         struct rk_lcdc_driver *dev_drv = NULL;
3369         struct fb_var_screeninfo *hdmi_var = NULL;
3370         struct fb_var_screeninfo *pmy_var = NULL;       /* var for primary screen */
3371         struct fb_fix_screeninfo *hdmi_fix = NULL;
3372         char name[6];
3373         int ret;
3374         int win_id;
3375 /*
3376         if (rk_fb->disp_mode != DUAL)
3377                 rk29_backlight_set(0);
3378 */
3379         sprintf(name, "lcdc%d", lcdc_id);
3380
3381         if (rk_fb->disp_mode != DUAL) {
3382                 dev_drv = rk_fb->lcdc_dev_drv[0];
3383                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->disable)
3384                         dev_drv->trsm_ops->disable();
3385         } else {
3386                 dev_drv = rk_get_lcdc_drv(name);
3387                 if (dev_drv == NULL) {
3388                         printk(KERN_ERR "%s driver not found!", name);
3389                         return -ENODEV;
3390                 }
3391         }
3392         printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3393                dev_drv->id);
3394
3395         /* the main fb of lcdc drv */
3396         info = rk_fb->fb[dev_drv->fb_index_base];
3397
3398         if (dev_drv->screen1) { /* device like rk2928 ,have only one lcdc but two outputs */
3399                 if (enable) {
3400                         memcpy(dev_drv->screen1, screen,
3401                                sizeof(struct rk_screen));
3402                         dev_drv->screen1->lcdc_id = 0;  /* connect screen1 to output interface 0 */
3403                         dev_drv->screen1->screen_id = 1;
3404                         dev_drv->screen0->lcdc_id = 1;  /* connect screen0 to output interface 1 */
3405                         dev_drv->cur_screen = dev_drv->screen1;
3406                         dev_drv->screen0->ext_screen = dev_drv->screen1;
3407                         if (dev_drv->screen0->sscreen_get)
3408                                 dev_drv->screen0->sscreen_get(dev_drv->screen0,
3409                                                               dev_drv->cur_screen->hdmi_resolution);
3410
3411                 } else {
3412                         dev_drv->screen1->lcdc_id = 1;  /* connect screen1 to output interface 1 */
3413                         dev_drv->screen0->lcdc_id = 0;  /* connect screen0 to output interface 0 */
3414                         dev_drv->cur_screen = dev_drv->screen0;
3415                         if (dev_drv->screen_ctr_info &&
3416                             dev_drv->screen_ctr_info->set_screen_info)
3417                                 dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
3418                                                                   dev_drv->screen_ctr_info->lcd_info);
3419                 }
3420         } else {
3421                 if (enable)
3422                         memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3423         }
3424
3425         dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3426         dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3427
3428         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3429
3430         if (!enable && !dev_drv->screen1) {     /* only double lcdc device need to close */
3431                 if (dev_drv->win[win_id]->state)
3432                         dev_drv->ops->open(dev_drv, win_id, enable);    /* disable the win which attached to this fb */
3433                 hdmi_switch_complete = 0;
3434
3435                 return 0;
3436         }
3437
3438         hdmi_var = &info->var;
3439         hdmi_fix = &info->fix;
3440         if (rk_fb->disp_mode == DUAL) {
3441                 if (likely(rk_fb->num_lcdc == 2)) {
3442                         pmy_var = &rk_fb->fb[0]->var;
3443                         set_xact_yact_for_hdmi(pmy_var, hdmi_var);
3444                         hdmi_var->nonstd &= 0xffffff00;
3445                         hdmi_var->nonstd |= (pmy_var->nonstd & 0xff);   /* use the same format as primary screen */
3446                 } else {
3447                         printk(KERN_WARNING
3448                                "%s>>only one lcdc,dual display no supported!",
3449                                __func__);
3450                 }
3451         }
3452         hdmi_var->grayscale &= 0xff;
3453         hdmi_var->grayscale |=
3454             (dev_drv->cur_screen->mode.xres << 8) + (dev_drv->cur_screen->mode.yres << 20);
3455         if (dev_drv->screen1) { /* device like rk2928,whic have one lcdc but two outputs */
3456                 /*
3457                 info->var.nonstd &= 0xff;
3458                 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
3459                 info->var.grayscale &= 0xff;
3460                 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);
3461                 */
3462                 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
3463                 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
3464                 dev_drv->screen1->xpos = 0;
3465                 dev_drv->screen1->ypos = 0;
3466         }
3467
3468         ret = info->fbops->fb_open(info, 1);
3469         dev_drv->ops->load_screen(dev_drv, 1);
3470         ret = info->fbops->fb_set_par(info);
3471         if (dev_drv->ops->lcdc_hdmi_process)
3472                 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
3473
3474         hdmi_switch_complete = enable;
3475         info->fbops->fb_pan_display(hdmi_var, info);
3476
3477         if (dev_drv->screen1) {
3478                 if (dev_drv->screen0->sscreen_set) {
3479                         /*
3480                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
3481                         msleep(100);
3482                         */
3483                         dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
3484                         /*
3485                         dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
3486                         */
3487                 }
3488         }
3489
3490         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3491
3492         if (rk_fb->disp_mode != DUAL) {
3493                 /* rk29_backlight_set(1); */
3494                 if (dev_drv->trsm_ops && dev_drv->trsm_ops->enable)
3495                         dev_drv->trsm_ops->enable();
3496         }
3497         return 0;
3498 }
3499 #endif
3500 /*
3501  * function:this function current only called by hdmi for
3502  *      scale the display
3503  * scale_x: scale rate of x resolution
3504  * scale_y: scale rate of y resolution
3505  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3506  */
3507 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3508 {
3509         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3510         struct fb_info *info = NULL;
3511         struct fb_var_screeninfo *var = NULL;
3512         struct rk_lcdc_driver *dev_drv = NULL;
3513         u16 screen_x, screen_y;
3514         u16 xpos, ypos;
3515         char name[6];
3516         struct rk_screen primary_screen;
3517         rk_fb_get_prmry_screen(&primary_screen);
3518         if (primary_screen.type == SCREEN_HDMI) {
3519                 return 0;
3520         }
3521
3522         sprintf(name, "lcdc%d", lcdc_id);
3523
3524         if (inf->disp_mode == DUAL) {
3525                 dev_drv = rk_get_lcdc_drv(name);
3526                 if (dev_drv == NULL) {
3527                         printk(KERN_ERR "%s driver not found!", name);
3528                         return -ENODEV;
3529                 }
3530         } else {
3531                 dev_drv = inf->lcdc_dev_drv[0];
3532         }
3533
3534         if (inf->num_lcdc == 1)
3535                 info = inf->fb[0];
3536         else if (inf->num_lcdc == 2)
3537                 info = inf->fb[dev_drv->lcdc_win_num];
3538
3539         var = &info->var;
3540         screen_x = dev_drv->cur_screen->mode.xres;
3541         screen_y = dev_drv->cur_screen->mode.yres;
3542
3543         if (inf->disp_mode != DUAL &&
3544                         dev_drv->cur_screen->screen_id == 1) {
3545                 dev_drv->cur_screen->xpos =
3546                     (screen_x - screen_x * scale_x / 100) >> 1;
3547                 dev_drv->cur_screen->ypos =
3548                     (screen_y - screen_y * scale_y / 100) >> 1;
3549                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3550                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3551         } else {
3552                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3553                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3554                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3555                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3556                 var->nonstd &= 0xff;
3557                 var->nonstd |= (xpos << 8) + (ypos << 20);
3558                 var->grayscale &= 0xff;
3559                 var->grayscale |=
3560                     (dev_drv->cur_screen->xsize << 8) + (dev_drv->cur_screen->ysize << 20);
3561         }
3562
3563         info->fbops->fb_set_par(info);
3564         /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3565         dev_drv->ops->cfg_done(dev_drv);
3566         return 0;
3567 }
3568
3569 #if defined(CONFIG_ION_ROCKCHIP)
3570 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3571                                      struct rk_lcdc_win *win,
3572                                      unsigned long fb_mem_size)
3573 {
3574         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3575         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3576         struct ion_handle *handle;
3577         ion_phys_addr_t phy_addr;
3578         size_t len;
3579         int ret = 0;
3580
3581         if (dev_drv->iommu_enabled)
3582                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3583                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3584         else
3585                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3586                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3587         if (IS_ERR(handle)) {
3588                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3589                         PTR_ERR(handle));
3590                 return -ENOMEM;
3591         }
3592         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3593         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3594                 printk("ion_share_dma_buf() failed\n");
3595                 goto err_share_dma_buf;
3596         }
3597         win->area[0].ion_hdl = handle;
3598         if (dev_drv->prop == PRMRY)
3599                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3600 #ifdef CONFIG_ROCKCHIP_IOMMU
3601         if (dev_drv->iommu_enabled)
3602                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3603                                         (unsigned long *)&phy_addr,
3604                                         (unsigned long *)&len);
3605         else
3606                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3607 #else
3608         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3609 #endif
3610         if (ret < 0) {
3611                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3612                 goto err_share_dma_buf;
3613         }
3614         fbi->fix.smem_start = phy_addr;
3615         fbi->fix.smem_len = len;
3616         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3617         return 0;
3618
3619 err_share_dma_buf:
3620         ion_free(rk_fb->ion_client, handle);
3621         return -ENOMEM;
3622 }
3623 #endif
3624
3625 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3626 {
3627         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3628         struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3629         struct rk_lcdc_win *win = NULL;
3630         int win_id;
3631         int ret = 0;
3632         unsigned long fb_mem_size;
3633 #if !defined(CONFIG_ION_ROCKCHIP)
3634         dma_addr_t fb_mem_phys;
3635         void *fb_mem_virt;
3636 #endif
3637
3638         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3639         if (win_id < 0)
3640                 return -ENODEV;
3641         else
3642                 win = dev_drv->win[win_id];
3643
3644         if (!strcmp(fbi->fix.id, "fb0")) {
3645                 fb_mem_size = get_fb_size();
3646 #if defined(CONFIG_ION_ROCKCHIP)
3647                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3648                         return -ENOMEM;
3649 #else
3650                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3651                                                      &fb_mem_phys, GFP_KERNEL);
3652                 if (!fb_mem_virt) {
3653                         pr_err("%s: Failed to allocate framebuffer\n",
3654                                __func__);
3655                         return -ENOMEM;
3656                 }
3657                 fbi->fix.smem_len = fb_mem_size;
3658                 fbi->fix.smem_start = fb_mem_phys;
3659                 fbi->screen_base = fb_mem_virt;
3660 #endif
3661                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3662                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3663                        fbi->fix.smem_start, fbi->screen_base,
3664                        fbi->fix.smem_len);
3665         } else {
3666                 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3667                         fb_mem_size = get_rotate_fb_size();
3668 #if defined(CONFIG_ION_ROCKCHIP)
3669                         if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3670                                 return -ENOMEM;
3671 #else
3672                         fb_mem_virt =
3673                                 dma_alloc_writecombine(fbi->dev,
3674                                                        fb_mem_size,
3675                                                        &fb_mem_phys,
3676                                                        GFP_KERNEL);
3677                         if (!fb_mem_virt) {
3678                                 pr_err("%s: Failed to allocate framebuffer\n",
3679                                         __func__);
3680                                 return -ENOMEM;
3681                         }
3682                         fbi->fix.smem_len = fb_mem_size;
3683                         fbi->fix.smem_start = fb_mem_phys;
3684                         fbi->screen_base = fb_mem_virt;
3685 #endif
3686                 } else {
3687                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3688                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3689                         fbi->screen_base = rk_fb->fb[0]->screen_base;
3690                 }
3691
3692                 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3693                        fbi->fix.smem_start, fbi->screen_base,
3694                        fbi->fix.smem_len);
3695         }
3696
3697         fbi->screen_size = fbi->fix.smem_len;
3698         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3699         if (win_id >= 0) {
3700                 win = dev_drv->win[win_id];
3701                 win->reserved = fbi->fix.smem_start;
3702         }
3703
3704         return ret;
3705 }
3706
3707 #if 0
3708 static int rk_release_fb_buffer(struct fb_info *fbi)
3709 {
3710         /* buffer for fb1 and fb3 are alloc by android */
3711         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3712                 return 0;
3713         iounmap(fbi->screen_base);
3714         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3715         return 0;
3716 }
3717 #endif
3718
3719 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3720                          struct rk_lcdc_win *def_win)
3721 {
3722         int i;
3723         int lcdc_win_num = dev_drv->lcdc_win_num;
3724
3725         for (i = 0; i < lcdc_win_num; i++) {
3726                 struct rk_lcdc_win *win = NULL;
3727                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3728                 if (!win) {
3729                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3730                         return -ENOMEM;
3731                 }
3732
3733                 strcpy(win->name, def_win[i].name);
3734                 win->id = def_win[i].id;
3735                 win->support_3d = def_win[i].support_3d;
3736                 dev_drv->win[i] = win;
3737         }
3738
3739         return 0;
3740 }
3741
3742 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3743                                    struct rk_lcdc_win *def_win, int index)
3744 {
3745         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3746         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3747                                                 sizeof(struct rk_screen),
3748                                                 GFP_KERNEL);
3749
3750         if (!screen) {
3751                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3752                         dev_drv->id);
3753                 return -ENOMEM;
3754         }
3755
3756         screen->screen_id = 0;
3757         screen->lcdc_id = dev_drv->id;
3758         screen->overscan.left = 100;
3759         screen->overscan.top = 100;
3760         screen->overscan.right = 100;
3761         screen->overscan.bottom = 100;
3762
3763         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3764         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3765
3766         dev_drv->screen0 = screen;
3767         dev_drv->cur_screen = screen;
3768         /* devie use one lcdc + rk61x scaler for dual display */
3769         if (rk_fb->disp_mode == ONE_DUAL) {
3770                 /*
3771                 struct rk_screen *screen1 =
3772                                 devm_kzalloc(dev_drv->dev,
3773                                              sizeof(struct rk_screen),
3774                                              GFP_KERNEL);
3775                 if (!screen1) {
3776                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3777                                 dev_drv->id);
3778                         return -ENOMEM;
3779                 }
3780                 screen1->screen_id = 1;
3781                 screen1->lcdc_id = 1;
3782                 dev_drv->screen1 = screen1;
3783                 */
3784                 dev_drv->screen0->sscreen_set = rk_fb_set_screen_scaler;
3785         }
3786         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3787         init_lcdc_win(dev_drv, def_win);
3788         init_completion(&dev_drv->frame_done);
3789         spin_lock_init(&dev_drv->cpl_lock);
3790         mutex_init(&dev_drv->fb_win_id_mutex);
3791         dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
3792         dev_drv->first_frame = 1;
3793         dev_drv->overscan.left = 100;
3794         dev_drv->overscan.top = 100;
3795         dev_drv->overscan.right = 100;
3796         dev_drv->overscan.bottom = 100;
3797         rk_disp_pwr_ctr_parse_dt(dev_drv);
3798         if (dev_drv->prop == PRMRY) {
3799                 if (dev_drv->ops->set_dsp_cabc)
3800                         dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3801                 rk_fb_set_prmry_screen(screen);
3802         }
3803         rk_fb_get_prmry_screen(screen);
3804         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3805
3806         return 0;
3807 }
3808
3809 #ifdef CONFIG_LOGO_LINUX_BMP
3810 static struct linux_logo *bmp_logo;
3811 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3812 {
3813         bmp_logo = fb_find_logo(24);
3814         if (bmp_logo == NULL) {
3815                 printk(KERN_INFO "%s error\n", __func__);
3816                 return 0;
3817         }
3818         return 1;
3819 }
3820
3821 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3822 {
3823         unsigned char *src = bmp_logo->data;
3824         unsigned char *dst = info->screen_base;
3825         int i;
3826         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3827         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3828
3829         for (i = 0; i < Needheight; i++)
3830                 memcpy(dst + info->var.xres * i * 4,
3831                        src + bmp_logo->width * i * 4, Needwidth * 4);
3832 }
3833 #endif
3834
3835 /*
3836  * check if the primary lcdc has registerd,
3837  * the primary lcdc mas register first
3838  */
3839 bool is_prmry_rk_lcdc_registered(void)
3840 {
3841         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3842
3843         if (rk_fb->lcdc_dev_drv[0])
3844                 return true;
3845         else
3846                 return false;
3847 }
3848
3849 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3850                    struct rk_lcdc_win *win, int id)
3851 {
3852         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3853         struct fb_info *fbi;
3854         int i = 0, ret = 0, index = 0;
3855 /*
3856 #if defined(CONFIG_ROCKCHIP_IOMMU)
3857         struct device *mmu_dev = NULL;
3858 #endif
3859 */
3860         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3861                 return -ENXIO;
3862
3863         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3864                 if (!rk_fb->lcdc_dev_drv[i]) {
3865                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3866                         rk_fb->lcdc_dev_drv[i]->id = id;
3867                         rk_fb->num_lcdc++;
3868                         break;
3869                 }
3870         }
3871
3872         index = i;
3873         init_lcdc_device_driver(rk_fb, win, index);
3874         dev_drv->fb_index_base = rk_fb->num_fb;
3875         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3876                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3877                 if (!fbi) {
3878                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3879                         ret = -ENOMEM;
3880                 }
3881                 fbi->par = dev_drv;
3882                 fbi->var = def_var;
3883                 fbi->fix = def_fix;
3884                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3885                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3886                 fbi->var.grayscale |=
3887                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3888 #if defined(CONFIG_LOGO_LINUX_BMP)
3889                 fbi->var.bits_per_pixel = 32;
3890 #else
3891                 fbi->var.bits_per_pixel = 16;
3892 #endif
3893                 fbi->fix.line_length =
3894                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3895                 fbi->var.width = dev_drv->cur_screen->width;
3896                 fbi->var.height = dev_drv->cur_screen->height;
3897                 fbi->var.pixclock = dev_drv->pixclock;
3898                 if (dev_drv->iommu_enabled)
3899                         fb_ops.fb_mmap = rk_fb_mmap;
3900                 fbi->fbops = &fb_ops;
3901                 fbi->flags = FBINFO_FLAG_DEFAULT;
3902                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3903                 ret = register_framebuffer(fbi);
3904                 if (ret < 0) {
3905                         dev_err(&fb_pdev->dev,
3906                                 "%s fb%d register_framebuffer fail!\n",
3907                                 __func__, rk_fb->num_fb);
3908                         return ret;
3909                 }
3910                 rkfb_create_sysfs(fbi);
3911                 rk_fb->fb[rk_fb->num_fb] = fbi;
3912                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3913                          fbi->fix.id);
3914                 rk_fb->num_fb++;
3915
3916                 if (i == 0) {
3917                         init_waitqueue_head(&dev_drv->vsync_info.wait);
3918                         init_waitqueue_head(&dev_drv->update_regs_wait);
3919                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
3920                         if (ret)
3921                                 dev_err(fbi->dev,
3922                                         "failed to create vsync file\n");
3923                         dev_drv->vsync_info.thread =
3924                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3925                                         "fb-vsync");
3926                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3927                                 dev_err(fbi->dev,
3928                                         "failed to run vsync thread\n");
3929                                 dev_drv->vsync_info.thread = NULL;
3930                         }
3931                         dev_drv->vsync_info.active = 1;
3932
3933                         mutex_init(&dev_drv->output_lock);
3934
3935                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
3936                         mutex_init(&dev_drv->update_regs_list_lock);
3937                         init_kthread_worker(&dev_drv->update_regs_worker);
3938
3939                         dev_drv->update_regs_thread =
3940                             kthread_run(kthread_worker_fn,
3941                                         &dev_drv->update_regs_worker, "rk-fb");
3942                         if (IS_ERR(dev_drv->update_regs_thread)) {
3943                                 int err = PTR_ERR(dev_drv->update_regs_thread);
3944                                 dev_drv->update_regs_thread = NULL;
3945
3946                                 printk("failed to run update_regs thread\n");
3947                                 return err;
3948                         }
3949                         init_kthread_work(&dev_drv->update_regs_work,
3950                                           rk_fb_update_regs_handler);
3951
3952                         dev_drv->timeline =
3953                             sw_sync_timeline_create("fb-timeline");
3954                         dev_drv->timeline_max = 1;
3955                 }
3956         }
3957
3958         /* show logo for primary display device */
3959 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3960         if (dev_drv->prop == PRMRY) {
3961                 struct fb_info *main_fbi = rk_fb->fb[0];
3962                 main_fbi->fbops->fb_open(main_fbi, 1);
3963 /*
3964 #if defined(CONFIG_ROCKCHIP_IOMMU)
3965                 if (dev_drv->iommu_enabled) {
3966                         mmu_dev =
3967                             rk_fb_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
3968                         if (mmu_dev) {
3969                                 rk_fb_platform_set_sysmmu(mmu_dev, dev_drv->dev);
3970                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3971                                                                   rk_fb_sysmmu_fault_handler);
3972                                 rockchip_iovmm_activate(dev_drv->dev);
3973                         } else
3974                                 dev_err(dev_drv->dev,
3975                                         "failed to get rockchip iommu device\n");
3976                 }
3977 #endif
3978 */
3979                 rk_fb_alloc_buffer(main_fbi, 0);        /* only alloc memory for main fb */
3980                 if (support_uboot_display()) {
3981                         if (dev_drv->iommu_enabled) {
3982                                 rk_fb_copy_from_loader(main_fbi);
3983                                 dev_drv->ops->direct_set_addr(dev_drv, 0,
3984                                         main_fbi->fix.smem_start);
3985                         }
3986                         return 0;
3987                 }
3988                 main_fbi->fbops->fb_set_par(main_fbi);
3989 #if  defined(CONFIG_LOGO_LINUX_BMP)
3990                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3991                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3992                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3993                 }
3994 #else
3995                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3996                         fb_set_cmap(&main_fbi->cmap, main_fbi);
3997                         fb_show_logo(main_fbi, FB_ROTATE_UR);
3998                 }
3999 #endif
4000                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4001         } else {
4002 #if !defined(CONFIG_ROCKCHIP_IOMMU)
4003                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4004                 int extend_fb_id = get_extend_fb_id(extend_fbi);
4005
4006                 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
4007 #endif
4008         }
4009 #endif
4010         return 0;
4011 }
4012
4013 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4014 {
4015         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4016         struct fb_info *fbi;
4017         int fb_index_base = dev_drv->fb_index_base;
4018         int fb_num = dev_drv->lcdc_win_num;
4019         int i = 0;
4020
4021         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4022                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4023                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4024         }
4025
4026         for (i = 0; i < fb_num; i++)
4027                 kfree(dev_drv->win[i]);
4028
4029         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4030                 fbi = fb_inf->fb[i];
4031                 unregister_framebuffer(fbi);
4032                 /* rk_release_fb_buffer(fbi); */
4033                 framebuffer_release(fbi);
4034         }
4035         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4036         fb_inf->num_lcdc--;
4037
4038         return 0;
4039 }
4040
4041 static int rk_fb_probe(struct platform_device *pdev)
4042 {
4043         struct rk_fb *rk_fb = NULL;
4044         struct device_node *np = pdev->dev.of_node;
4045         u32 mode;
4046
4047         if (!np) {
4048                 dev_err(&pdev->dev, "Missing device tree node.\n");
4049                 return -EINVAL;
4050         }
4051
4052         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4053         if (!rk_fb) {
4054                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4055                 return -ENOMEM;
4056         }
4057         platform_set_drvdata(pdev, rk_fb);
4058
4059         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4060                 rk_fb->disp_mode = mode;
4061
4062         } else {
4063                 dev_err(&pdev->dev, "no disp-mode node found!");
4064                 return -ENODEV;
4065         }
4066
4067         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4068                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4069
4070         dev_set_name(&pdev->dev, "rockchip-fb");
4071 #if defined(CONFIG_ION_ROCKCHIP)
4072         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4073         if (IS_ERR(rk_fb->ion_client)) {
4074                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4075                 return PTR_ERR(rk_fb->ion_client);
4076         } else {
4077                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4078         }
4079 #endif
4080
4081         fb_pdev = pdev;
4082         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4083         return 0;
4084 }
4085
4086 static int rk_fb_remove(struct platform_device *pdev)
4087 {
4088         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4089
4090         kfree(rk_fb);
4091         platform_set_drvdata(pdev, NULL);
4092         return 0;
4093 }
4094
4095 static void rk_fb_shutdown(struct platform_device *pdev)
4096 {
4097         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4098         int i;
4099
4100         for (i = 0; i < rk_fb->num_lcdc; i++) {
4101                 if (!rk_fb->lcdc_dev_drv[i])
4102                         continue;
4103         }
4104 }
4105
4106 static const struct of_device_id rkfb_dt_ids[] = {
4107         {.compatible = "rockchip,rk-fb",},
4108         {}
4109 };
4110
4111 static struct platform_driver rk_fb_driver = {
4112         .probe = rk_fb_probe,
4113         .remove = rk_fb_remove,
4114         .driver = {
4115                    .name = "rk-fb",
4116                    .owner = THIS_MODULE,
4117                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4118                    },
4119         .shutdown = rk_fb_shutdown,
4120 };
4121
4122 static int __init rk_fb_init(void)
4123 {
4124         return platform_driver_register(&rk_fb_driver);
4125 }
4126
4127 static void __exit rk_fb_exit(void)
4128 {
4129         platform_driver_unregister(&rk_fb_driver);
4130 }
4131
4132 fs_initcall(rk_fb_init);
4133 module_exit(rk_fb_exit);