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