rk fb: vsync thread distinction two vop
[firefly-linux-kernel-4.4.55.git] / drivers / video / rockchip / rk_fb.c
1 /*
2  * drivers/video/rockchip/rk_fb.c
3  *
4  * Copyright (C) ROCKCHIP, Inc.
5  * Author:yxj<yxj@rock-chips.com>
6  * This software is licensed under the terms of the GNU General Public
7  * License version 2, as published by the Free Software Foundation, and
8  * may be copied, distributed, and modified under those terms.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
20 #include <linux/mm.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
25 #include <linux/fb.h>
26 #include <linux/init.h>
27 #include <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
34
35 #include "bmp_helper.h"
36
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
39 #endif
40
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
42 #include "rga/rga.h"
43 #endif
44
45 #ifdef CONFIG_OF
46 #include <linux/of.h>
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
51 #include <dt-bindings/rkfb/rk_fb.h>
52 #endif
53
54 #if defined(CONFIG_ION_ROCKCHIP)
55 #include <linux/rockchip_ion.h>
56 #include <linux/rockchip-iovmm.h>
57 #include <linux/dma-buf.h>
58 #include <linux/highmem.h>
59 #endif
60
61 #define H_USE_FENCE 1
62 /* #define FB_ROATE_BY_KERNEL 1 */
63
64 static int hdmi_switch_state;
65 static struct platform_device *fb_pdev;
66
67 #if defined(CONFIG_FB_MIRRORING)
68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
69 EXPORT_SYMBOL(video_data_to_mirroring);
70 #endif
71
72 extern phys_addr_t uboot_logo_base;
73 extern phys_addr_t uboot_logo_size;
74 extern phys_addr_t uboot_logo_offset;
75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
76 static struct rk_fb_trsm_ops *trsm_edp_ops;
77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
78 static int uboot_logo_on;
79
80 static int rk_fb_debug_lvl;
81 static int rk_fb_iommu_debug = 1;
82 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
83 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
84
85 #define fb_dbg(level, x...) do {                \
86         if (unlikely(rk_fb_debug_lvl >= level)) \
87                 printk(KERN_INFO x);            \
88         } while (0)
89 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
90                               struct rk_fb_win_cfg_data *win_data,
91                               struct rk_fb_reg_data *regs, u32 cmd);
92 int support_uboot_display(void)
93 {
94         return uboot_logo_on;
95 }
96
97 int rk_fb_get_display_policy(void)
98 {
99         struct rk_fb *rk_fb;
100
101         if (fb_pdev) {
102                 rk_fb = platform_get_drvdata(fb_pdev);
103                 return rk_fb->disp_policy;
104         } else {
105                 return DISPLAY_POLICY_SDK;
106         }
107 }
108
109 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
110 {
111         switch (type) {
112         case SCREEN_RGB:
113         case SCREEN_LVDS:
114         case SCREEN_DUAL_LVDS:
115         case SCREEN_LVDS_10BIT:
116         case SCREEN_DUAL_LVDS_10BIT:
117                 trsm_lvds_ops = ops;
118                 break;
119         case SCREEN_EDP:
120                 trsm_edp_ops = ops;
121                 break;
122         case SCREEN_MIPI:
123         case SCREEN_DUAL_MIPI:
124                 trsm_mipi_ops = ops;
125                 break;
126         default:
127                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
128                        __func__, type);
129                 break;
130         }
131         return 0;
132 }
133
134 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
135 {
136         struct rk_fb_trsm_ops *ops;
137         switch (type) {
138         case SCREEN_RGB:
139         case SCREEN_LVDS:
140         case SCREEN_DUAL_LVDS:
141         case SCREEN_LVDS_10BIT:
142         case SCREEN_DUAL_LVDS_10BIT:
143                 ops = trsm_lvds_ops;
144                 break;
145         case SCREEN_EDP:
146                 ops = trsm_edp_ops;
147                 break;
148         case SCREEN_MIPI:
149         case SCREEN_DUAL_MIPI:
150                 ops = trsm_mipi_ops;
151                 break;
152         default:
153                 ops = NULL;
154                 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
155                        __func__, type);
156                 break;
157         }
158         return ops;
159 }
160
161 int rk_fb_pixel_width(int data_format)
162 {
163         int pixel_width;
164         switch (data_format) {
165         case XBGR888:
166         case ABGR888:
167         case ARGB888:
168         case FBDC_ARGB_888:
169         case FBDC_ABGR_888:
170         case FBDC_RGBX_888:
171                 pixel_width = 4 * 8;
172                 break;
173         case RGB888:
174                 pixel_width = 3 * 8;
175                 break;
176         case RGB565:
177         case FBDC_RGB_565:
178                 pixel_width = 2 * 8;
179                 break;
180         case YUV422:
181         case YUV420:
182         case YUV420_NV21:
183         case YUV444:
184                 pixel_width = 1 * 8;
185                 break;
186         case YUV422_A:
187         case YUV420_A:
188         case YUV444_A:
189                 pixel_width = 8;
190                 break;
191         default:
192                 printk(KERN_WARNING "%s:un supported format:0x%x\n",
193                        __func__, data_format);
194                 return -EINVAL;
195         }
196         return pixel_width;
197 }
198
199 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
200 {
201         int fb_data_fmt;
202         if (data_format) {
203                 switch (data_format) {
204                 case HAL_PIXEL_FORMAT_RGBX_8888:
205                         fb_data_fmt = XBGR888;
206                         break;
207                 case HAL_PIXEL_FORMAT_RGBA_8888:
208                         fb_data_fmt = ABGR888;
209                         break;
210                 case HAL_PIXEL_FORMAT_BGRA_8888:
211                         fb_data_fmt = ARGB888;
212                         break;
213                 case HAL_PIXEL_FORMAT_RGB_888:
214                         fb_data_fmt = RGB888;
215                         break;
216                 case HAL_PIXEL_FORMAT_RGB_565:
217                         fb_data_fmt = RGB565;
218                         break;
219                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
220                         fb_data_fmt = YUV422;
221                         break;
222                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
223                         fb_data_fmt = YUV420_NV21;
224                         break;
225                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
226                         fb_data_fmt = YUV420;
227                         break;
228                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
229                         fb_data_fmt = YUV444;
230                         break;
231                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
232                         fb_data_fmt = YUV420_A;
233                         break;
234                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
235                         fb_data_fmt = YUV422_A;
236                         break;
237                 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
238                         fb_data_fmt = YUV444_A;
239                         break;
240                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
241                         fb_data_fmt = FBDC_RGB_565;
242                         break;
243                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
244                         fb_data_fmt = FBDC_ARGB_888;
245                         break;
246                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
247                         fb_data_fmt = FBDC_ABGR_888;
248                         break;
249                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
250                         fb_data_fmt = FBDC_RGBX_888;
251                         break;
252                 default:
253                         printk(KERN_WARNING "%s:un supported format:0x%x\n",
254                                __func__, data_format);
255                         return -EINVAL;
256                 }
257         } else {
258                 switch (bits_per_pixel) {
259                 case 32:
260                         fb_data_fmt = ARGB888;
261                         break;
262                 case 24:
263                         fb_data_fmt = RGB888;
264                         break;
265                 case 16:
266                         fb_data_fmt = RGB565;
267                         break;
268                 default:
269                         printk(KERN_WARNING
270                                "%s:un supported bits_per_pixel:%d\n", __func__,
271                                bits_per_pixel);
272                         break;
273                 }
274         }
275         return fb_data_fmt;
276 }
277
278 /*
279  * rk display power control parse from dts
280  */
281 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
282 {
283         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
284                                                         "power_ctr");
285         struct device_node *child;
286         struct rk_disp_pwr_ctr_list *pwr_ctr;
287         struct list_head *pos;
288         enum of_gpio_flags flags;
289         u32 val = 0;
290         u32 debug = 0;
291         int ret;
292
293         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
294         if (!root) {
295                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
296                         dev_drv->id);
297                 return -ENODEV;
298         }
299
300         for_each_child_of_node(root, child) {
301                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
302                                   GFP_KERNEL);
303                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
304                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
305                         if (val == GPIO) {
306                                 pwr_ctr->pwr_ctr.type = GPIO;
307                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
308                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
309                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
310                                                 child->name);
311                                         return -EINVAL;
312                                 }
313                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
314                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
315                                                    child->name);
316                                 if (ret) {
317                                         dev_err(dev_drv->dev,
318                                                 "request %s gpio fail:%d\n",
319                                                 child->name, ret);
320                                 }
321
322                         } else {
323                                 pwr_ctr->pwr_ctr.type = REGULATOR;
324                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
325                                 ret = of_property_read_string(child, "rockchip,regulator_name",
326                                                              &(pwr_ctr->pwr_ctr.rgl_name));
327                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
328                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
329                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
330                                         pwr_ctr->pwr_ctr.volt = val;
331                                 else
332                                         pwr_ctr->pwr_ctr.volt = 0;
333                         }
334                 };
335
336                 if (!of_property_read_u32(child, "rockchip,delay", &val))
337                         pwr_ctr->pwr_ctr.delay = val;
338                 else
339                         pwr_ctr->pwr_ctr.delay = 0;
340                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
341         }
342
343         of_property_read_u32(root, "rockchip,debug", &debug);
344
345         if (debug) {
346                 list_for_each(pos, &dev_drv->pwrlist_head) {
347                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
348                                              list);
349                         printk(KERN_INFO "pwr_ctr_name:%s\n"
350                                "pwr_type:%s\n"
351                                "gpio:%d\n"
352                                "atv_val:%d\n"
353                                "delay:%d\n\n",
354                                pwr_ctr->pwr_ctr.name,
355                                (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
356                                pwr_ctr->pwr_ctr.gpio,
357                                pwr_ctr->pwr_ctr.atv_val,
358                                pwr_ctr->pwr_ctr.delay);
359                 }
360         }
361
362         return 0;
363
364 }
365
366 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
367 {
368         struct list_head *pos;
369         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
370         struct pwr_ctr *pwr_ctr;
371         struct regulator *regulator_lcd = NULL;
372         int count = 10;
373
374         if (list_empty(&dev_drv->pwrlist_head))
375                 return 0;
376         list_for_each(pos, &dev_drv->pwrlist_head) {
377                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
378                                           list);
379                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
380                 if (pwr_ctr->type == GPIO) {
381                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
382                         mdelay(pwr_ctr->delay);
383                 } else if (pwr_ctr->type == REGULATOR) {
384                         if (pwr_ctr->rgl_name)
385                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
386                         if (regulator_lcd == NULL) {
387                                 dev_err(dev_drv->dev,
388                                         "%s: regulator get failed,regulator name:%s\n",
389                                         __func__, pwr_ctr->rgl_name);
390                                 continue;
391                         }
392                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
393                         while (!regulator_is_enabled(regulator_lcd)) {
394                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
395                                         break;
396                                 else
397                                         dev_err(dev_drv->dev,
398                                                 "regulator_enable failed,count=%d\n",
399                                                 count);
400                                 count--;
401                         }
402                         regulator_put(regulator_lcd);
403                         msleep(pwr_ctr->delay);
404                 }
405         }
406
407         return 0;
408 }
409
410 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
411 {
412         struct list_head *pos;
413         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
414         struct pwr_ctr *pwr_ctr;
415         struct regulator *regulator_lcd = NULL;
416         int count = 10;
417
418         if (list_empty(&dev_drv->pwrlist_head))
419                 return 0;
420         list_for_each(pos, &dev_drv->pwrlist_head) {
421                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
422                                           list);
423                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
424                 if (pwr_ctr->type == GPIO) {
425                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
426                 } else if (pwr_ctr->type == REGULATOR) {
427                         if (pwr_ctr->rgl_name)
428                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
429                         if (regulator_lcd == NULL) {
430                                 dev_err(dev_drv->dev,
431                                         "%s: regulator get failed,regulator name:%s\n",
432                                         __func__, pwr_ctr->rgl_name);
433                                 continue;
434                         }
435                         while (regulator_is_enabled(regulator_lcd) > 0) {
436                                 if (regulator_disable(regulator_lcd) == 0 || count == 0)
437                                         break;
438                                 else
439                                         dev_err(dev_drv->dev,
440                                                 "regulator_disable failed,count=%d\n",
441                                                 count);
442                                 count--;
443                         }
444                         regulator_put(regulator_lcd);
445                 }
446         }
447         return 0;
448 }
449
450 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
451                                  struct rk_screen *screen)
452 {
453         screen->mode.pixclock = dt->pixelclock.typ;
454         screen->mode.left_margin = dt->hback_porch.typ;
455         screen->mode.right_margin = dt->hfront_porch.typ;
456         screen->mode.xres = dt->hactive.typ;
457         screen->mode.hsync_len = dt->hsync_len.typ;
458         screen->mode.upper_margin = dt->vback_porch.typ;
459         screen->mode.lower_margin = dt->vfront_porch.typ;
460         screen->mode.yres = dt->vactive.typ;
461         screen->mode.vsync_len = dt->vsync_len.typ;
462         screen->type = dt->screen_type;
463         screen->lvds_format = dt->lvds_format;
464         screen->face = dt->face;
465         screen->color_mode = dt->color_mode;
466         screen->dsp_lut = dt->dsp_lut;
467         screen->cabc_lut = dt->cabc_lut;
468         screen->cabc_gamma_base = dt->cabc_gamma_base;
469
470         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
471                 screen->pin_dclk = 1;
472         else
473                 screen->pin_dclk = 0;
474         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
475                 screen->pin_hsync = 1;
476         else
477                 screen->pin_hsync = 0;
478         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
479                 screen->pin_vsync = 1;
480         else
481                 screen->pin_vsync = 0;
482         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
483                 screen->pin_den = 1;
484         else
485                 screen->pin_den = 0;
486
487         return 0;
488
489 }
490
491 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
492 {
493         struct display_timings *disp_timing;
494         struct display_timing *dt;
495         disp_timing = of_get_display_timings(np);
496         if (!disp_timing) {
497                 pr_err("parse display timing err\n");
498                 return -EINVAL;
499         }
500         dt = display_timings_get(disp_timing, disp_timing->native_mode);
501         rk_fb_video_mode_from_timing(dt, screen);
502         return 0;
503
504 }
505
506 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
507 {
508         int x, y;
509         unsigned long long hz;
510         if (!screen) {
511                 printk(KERN_ERR "%s:null screen!\n", __func__);
512                 return 0;
513         }
514         x = screen->mode.xres + screen->mode.left_margin +
515             screen->mode.right_margin + screen->mode.hsync_len;
516         y = screen->mode.yres + screen->mode.upper_margin +
517             screen->mode.lower_margin + screen->mode.vsync_len;
518
519         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
520
521         hz += (x * y) / 2;
522         do_div(hz, x * y);      /* divide by x * y with rounding */
523
524         hz += pixclock / 2;
525         do_div(hz, pixclock);   /* divide by pixclock with rounding */
526
527         return hz;
528 }
529
530 char *get_format_string(enum data_format format, char *fmt)
531 {
532         if (!fmt)
533                 return NULL;
534         switch (format) {
535         case ARGB888:
536                 strcpy(fmt, "ARGB888");
537                 break;
538         case RGB888:
539                 strcpy(fmt, "RGB888");
540                 break;
541         case RGB565:
542                 strcpy(fmt, "RGB565");
543                 break;
544         case YUV420:
545         case YUV420_NV21:
546                 strcpy(fmt, "YUV420");
547                 break;
548         case YUV422:
549                 strcpy(fmt, "YUV422");
550                 break;
551         case YUV444:
552                 strcpy(fmt, "YUV444");
553                 break;
554         case YUV420_A:
555                 strcpy(fmt, "YUV420_A");
556                 break;
557         case YUV422_A:
558                 strcpy(fmt, "YUV422_A");
559                 break;
560         case YUV444_A:
561                 strcpy(fmt, "YUV444_A");
562                 break;
563         case XRGB888:
564                 strcpy(fmt, "XRGB888");
565                 break;
566         case XBGR888:
567                 strcpy(fmt, "XBGR888");
568                 break;
569         case ABGR888:
570                 strcpy(fmt, "ABGR888");
571                 break;
572         case FBDC_RGB_565:
573                 strcpy(fmt, "FBDC_RGB_565");
574                 break;
575         case FBDC_ARGB_888:
576         case FBDC_ABGR_888:
577                 strcpy(fmt, "FBDC_ARGB_888");
578                 break;
579         case FBDC_RGBX_888:
580                 strcpy(fmt, "FBDC_RGBX_888");
581                 break;
582         default:
583                 strcpy(fmt, "invalid");
584                 break;
585         }
586
587         return fmt;
588
589 }
590
591 /*
592  * this is for hdmi
593  * name: lcdc device name ,lcdc0 , lcdc1
594  */
595 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
596 {
597         struct rk_fb *inf = NULL;
598         struct rk_lcdc_driver *dev_drv = NULL;
599         int i = 0;
600
601         if (likely(fb_pdev))
602                 inf = platform_get_drvdata(fb_pdev);
603         else
604                 return NULL;
605
606         for (i = 0; i < inf->num_lcdc; i++) {
607                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
608                         dev_drv = inf->lcdc_dev_drv[i];
609                         break;
610                 }
611         }
612
613         return dev_drv;
614 }
615
616 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
617 {
618         struct rk_fb *inf = NULL;
619         struct rk_lcdc_driver *dev_drv = NULL;
620         int i = 0;
621
622         if (likely(fb_pdev))
623                 inf = platform_get_drvdata(fb_pdev);
624         else
625                 return NULL;
626
627         for (i = 0; i < inf->num_lcdc; i++) {
628                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
629                         dev_drv = inf->lcdc_dev_drv[i];
630                         break;
631                 }
632         }
633
634         return dev_drv;
635 }
636
637 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
638 {
639         struct rk_fb *inf = NULL;
640         struct rk_lcdc_driver *dev_drv = NULL;
641         int i = 0;
642
643         if (likely(fb_pdev))
644                 inf = platform_get_drvdata(fb_pdev);
645         else
646                 return NULL;
647
648         for (i = 0; i < inf->num_lcdc; i++) {
649                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
650                         dev_drv = inf->lcdc_dev_drv[i];
651                         break;
652                 }
653         }
654
655         return dev_drv;
656 }
657
658 /*
659  * get one frame time of the prmry screen, unit: us
660  */
661 u32 rk_fb_get_prmry_screen_ft(void)
662 {
663         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
664         uint32_t htotal, vtotal, pixclock_ps;
665         u64 pix_total, ft_us;
666
667         if (unlikely(!dev_drv))
668                 return 0;
669
670         pixclock_ps = dev_drv->pixclock;
671
672         vtotal = (dev_drv->cur_screen->mode.upper_margin +
673                  dev_drv->cur_screen->mode.lower_margin +
674                  dev_drv->cur_screen->mode.yres +
675                  dev_drv->cur_screen->mode.vsync_len);
676         htotal = (dev_drv->cur_screen->mode.left_margin +
677                  dev_drv->cur_screen->mode.right_margin +
678                  dev_drv->cur_screen->mode.xres +
679                  dev_drv->cur_screen->mode.hsync_len);
680         pix_total = htotal * vtotal;
681         ft_us = pix_total * pixclock_ps;
682         do_div(ft_us, 1000000);
683         if (dev_drv->frame_time.ft == 0)
684                 dev_drv->frame_time.ft = ft_us;
685
686         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
687         do_div(ft_us, 1000);
688         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
689         if (ft_us != 0)
690                 dev_drv->frame_time.ft = ft_us;
691
692         return dev_drv->frame_time.ft;
693 }
694
695 /*
696  * get the vblanking time of the prmry screen, unit: us
697  */
698 u32 rk_fb_get_prmry_screen_vbt(void)
699 {
700         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
701         uint32_t htotal, vblank, pixclock_ps;
702         u64 pix_blank, vbt_us;
703
704         if (unlikely(!dev_drv))
705                 return 0;
706
707         pixclock_ps = dev_drv->pixclock;
708
709         htotal = (dev_drv->cur_screen->mode.left_margin +
710                  dev_drv->cur_screen->mode.right_margin +
711                  dev_drv->cur_screen->mode.xres +
712                  dev_drv->cur_screen->mode.hsync_len);
713         vblank = (dev_drv->cur_screen->mode.upper_margin +
714                  dev_drv->cur_screen->mode.lower_margin +
715                  dev_drv->cur_screen->mode.vsync_len);
716         pix_blank = htotal * vblank;
717         vbt_us = pix_blank * pixclock_ps;
718         do_div(vbt_us, 1000000);
719         return (u32)vbt_us;
720 }
721
722 /*
723  * get the frame done time of the prmry screen, unit: us
724  */
725 u64 rk_fb_get_prmry_screen_framedone_t(void)
726 {
727         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
728
729         if (unlikely(!dev_drv))
730                 return 0;
731         else
732                 return dev_drv->frame_time.framedone_t;
733 }
734
735 /*
736  * set prmry screen status
737  */
738 int rk_fb_set_prmry_screen_status(int status)
739 {
740         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
741         struct rk_screen *screen;
742
743         if (unlikely(!dev_drv))
744                 return 0;
745
746         screen = dev_drv->cur_screen;
747         switch (status) {
748         case SCREEN_PREPARE_DDR_CHANGE:
749                 if (screen->type == SCREEN_MIPI
750                         || screen->type == SCREEN_DUAL_MIPI) {
751                         if (dev_drv->trsm_ops->dsp_pwr_off)
752                                 dev_drv->trsm_ops->dsp_pwr_off();
753                 }
754                 break;
755         case SCREEN_UNPREPARE_DDR_CHANGE:
756                 if (screen->type == SCREEN_MIPI
757                         || screen->type == SCREEN_DUAL_MIPI) {
758                         if (dev_drv->trsm_ops->dsp_pwr_on)
759                                 dev_drv->trsm_ops->dsp_pwr_on();
760                 }
761                 break;
762         default:
763                 break;
764         }
765
766         return 0;
767 }
768
769 u32 rk_fb_get_prmry_screen_pixclock(void)
770 {
771         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
772
773         if (unlikely(!dev_drv))
774                 return 0;
775         else
776                 return dev_drv->pixclock;
777 }
778
779 int rk_fb_poll_prmry_screen_vblank(void)
780 {
781         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
782
783         if (likely(dev_drv)) {
784                 if (dev_drv->ops->poll_vblank)
785                         return dev_drv->ops->poll_vblank(dev_drv);
786                 else
787                         return RK_LF_STATUS_NC;
788         } else {
789                 return RK_LF_STATUS_NC;
790         }
791 }
792
793 bool rk_fb_poll_wait_frame_complete(void)
794 {
795         uint32_t timeout = RK_LF_MAX_TIMEOUT;
796         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
797
798         if (likely(dev_drv)) {
799                 if (dev_drv->ops->set_irq_to_cpu)
800                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
801         }
802
803         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
804                 if (likely(dev_drv)) {
805                         if (dev_drv->ops->set_irq_to_cpu)
806                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
807                 }
808                 return false;
809         }
810         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
811                 ;
812         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
813                 ;
814         if (likely(dev_drv)) {
815                 if (dev_drv->ops->set_irq_to_cpu)
816                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
817         }
818
819         return true;
820 }
821
822
823 /* rk_fb_get_sysmmu_device_by_compatible()
824  * @compt: dts device compatible name
825  * return value: success: pointer to the device inside of platform device
826  *               fail: NULL
827  */
828 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
829 {
830         struct device_node *dn = NULL;
831         struct platform_device *pd = NULL;
832         struct device *ret = NULL ;
833
834         dn = of_find_compatible_node(NULL, NULL, compt);
835         if (!dn) {
836                 printk("can't find device node %s \r\n", compt);
837                 return NULL;
838         }
839
840         pd = of_find_device_by_node(dn);
841         if (!pd) {
842                 printk("can't find platform device in device node %s \r\n", compt);
843                 return  NULL;
844         }
845         ret = &pd->dev;
846
847         return ret;
848 }
849
850 #ifdef CONFIG_IOMMU_API
851 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
852 {
853         dev->archdata.iommu = sysmmu;
854 }
855 #else
856 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
857 {
858
859 }
860 #endif
861
862 static int rk_fb_open(struct fb_info *info, int user)
863 {
864         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
865         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
866         int win_id;
867
868         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
869         fb_par->state++;
870         /* if this win aready opened ,no need to reopen */
871         if (dev_drv->win[win_id]->state)
872                 return 0;
873         else
874                 dev_drv->ops->open(dev_drv, win_id, 1);
875         return 0;
876 }
877
878 static int rk_fb_close(struct fb_info *info, int user)
879 {
880         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
881         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
882         struct rk_lcdc_win *win = NULL;
883         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
884
885         if (win_id >= 0) {
886                 win = dev_drv->win[win_id];
887                 if (fb_par->state)
888                         fb_par->state--;
889                 if (!fb_par->state) {
890                         if (fb_par->fb_phy_base > 0)
891                                 info->fix.smem_start = fb_par->fb_phy_base;
892                         info->var.xres = dev_drv->screen0->mode.xres;
893                         info->var.yres = dev_drv->screen0->mode.yres;
894                         /*
895                         info->var.grayscale |=
896                             (info->var.xres << 8) + (info->var.yres << 20);
897                         */
898                         info->var.xres_virtual = info->var.xres;
899                         info->var.yres_virtual = info->var.yres;
900 #if defined(CONFIG_LOGO_LINUX_BMP)
901                         info->var.bits_per_pixel = 32;
902 #else
903                         info->var.bits_per_pixel = 16;
904 #endif
905                         info->fix.line_length =
906                             (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
907                         info->var.width = dev_drv->screen0->width;
908                         info->var.height = dev_drv->screen0->height;
909                         info->var.pixclock = dev_drv->pixclock;
910                         info->var.left_margin = dev_drv->screen0->mode.left_margin;
911                         info->var.right_margin = dev_drv->screen0->mode.right_margin;
912                         info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
913                         info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
914                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
915                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
916                 }
917         }
918
919         return 0;
920 }
921
922 #if defined(FB_ROATE_BY_KERNEL)
923
924 #if defined(CONFIG_RK29_IPP)
925 static int get_ipp_format(int fmt)
926 {
927         int ipp_fmt = IPP_XRGB_8888;
928         switch (fmt) {
929         case HAL_PIXEL_FORMAT_RGBX_8888:
930         case HAL_PIXEL_FORMAT_RGBA_8888:
931         case HAL_PIXEL_FORMAT_BGRA_8888:
932         case HAL_PIXEL_FORMAT_RGB_888:
933                 ipp_fmt = IPP_XRGB_8888;
934                 break;
935         case HAL_PIXEL_FORMAT_RGB_565:
936                 ipp_fmt = IPP_RGB_565;
937                 break;
938         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
939                 ipp_fmt = IPP_Y_CBCR_H2V1;
940                 break;
941         case HAL_PIXEL_FORMAT_YCrCb_NV12:
942                 ipp_fmt = IPP_Y_CBCR_H2V2;
943                 break;
944         case HAL_PIXEL_FORMAT_YCrCb_444:
945                 ipp_fmt = IPP_Y_CBCR_H1V1;
946                 break;
947         default:
948                 ipp_fmt = IPP_IMGTYPE_LIMIT;
949                 break;
950         }
951
952         return ipp_fmt;
953 }
954
955 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
956                           int rotation, int fmt)
957 {
958         int align16 = 2;
959         int align64 = 8;
960
961         if (fmt == IPP_XRGB_8888) {
962                 align16 = 1;
963                 align64 = 2;
964         } else if (fmt == IPP_RGB_565) {
965                 align16 = 1;
966                 align64 = 4;
967         } else {
968                 align16 = 2;
969                 align64 = 8;
970         }
971         align16 -= 1;           /*for YUV, 1 */
972         align64 -= 1;           /*for YUV, 7 */
973
974         if (rotation == IPP_ROT_0) {
975                 if (fmt > IPP_RGB_565) {
976                         if ((*dst_w & 1) != 0)
977                                 *dst_w = *dst_w + 1;
978                         if ((*dst_h & 1) != 0)
979                                 *dst_h = *dst_h + 1;
980                         if (*dst_vir_w < *dst_w)
981                                 *dst_vir_w = *dst_w;
982                 }
983         } else {
984                 if ((*dst_w & align64) != 0)
985                         *dst_w = (*dst_w + align64) & (~align64);
986                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
987                         *dst_h = *dst_h + 1;
988                 if (*dst_vir_w < *dst_w)
989                         *dst_vir_w = *dst_w;
990         }
991 }
992
993 static void fb_copy_by_ipp(struct fb_info *dst_info,
994                                 struct fb_info *src_info)
995 {
996         struct rk29_ipp_req ipp_req;
997         uint32_t rotation = 0;
998         int dst_w, dst_h, dst_vir_w;
999         int ipp_fmt;
1000         u8 data_format = (dst_info->var.nonstd) & 0xff;
1001         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1002         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1003         u16 orientation = ext_dev_drv->rotate_mode;
1004
1005         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1006
1007         switch (orientation) {
1008         case 0:
1009                 rotation = IPP_ROT_0;
1010                 break;
1011         case ROTATE_90:
1012                 rotation = IPP_ROT_90;
1013                 break;
1014         case ROTATE_180:
1015                 rotation = IPP_ROT_180;
1016                 break;
1017         case ROTATE_270:
1018                 rotation = IPP_ROT_270;
1019                 break;
1020         default:
1021                 rotation = IPP_ROT_270;
1022                 break;
1023         }
1024
1025         dst_w = dst_info->var.xres;
1026         dst_h = dst_info->var.yres;
1027         dst_vir_w = dst_info->var.xres_virtual;
1028         ipp_fmt = get_ipp_format(data_format);
1029         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1030         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1031         ipp_req.src0.w = src_info->var.xres;
1032         ipp_req.src0.h = src_info->var.yres;
1033         ipp_req.src_vir_w = src_info->var.xres_virtual;
1034         ipp_req.src0.fmt = ipp_fmt;
1035
1036         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1037         ipp_req.dst0.w = dst_w;
1038         ipp_req.dst0.h = dst_h;
1039         ipp_req.dst_vir_w = dst_vir_w;
1040         ipp_req.dst0.fmt = ipp_fmt;
1041
1042         ipp_req.timeout = 100;
1043         ipp_req.flag = rotation;
1044         ipp_blit_sync(&ipp_req);
1045 }
1046
1047 #endif
1048
1049 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1050 static int get_rga_format(int fmt)
1051 {
1052         int rga_fmt = 0;
1053
1054         switch (fmt) {
1055         case XBGR888:
1056                 rga_fmt = RK_FORMAT_RGBX_8888;
1057                 break;
1058         case ABGR888:
1059                 rga_fmt = RK_FORMAT_RGBA_8888;
1060                 break;
1061         case ARGB888:
1062                 rga_fmt = RK_FORMAT_BGRA_8888;
1063                 break;
1064         case RGB888:
1065                 rga_fmt = RK_FORMAT_RGB_888;
1066                 break;
1067         case RGB565:
1068                 rga_fmt = RK_FORMAT_RGB_565;
1069                 break;
1070         case YUV422:
1071                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1072                 break;
1073         case YUV420:
1074                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1075                 break;
1076         default:
1077                 rga_fmt = RK_FORMAT_RGBA_8888;
1078                 break;
1079         }
1080
1081         return rga_fmt;
1082 }
1083
1084 static void rga_win_check(struct rk_lcdc_win *dst_win,
1085                           struct rk_lcdc_win *src_win)
1086 {
1087         int format = 0;
1088
1089         format = get_rga_format(src_win->area[0].format);
1090         /* width and height must be even number */
1091         if (format >= RK_FORMAT_YCbCr_422_SP &&
1092             format <= RK_FORMAT_YCrCb_420_P) {
1093                 if ((src_win->area[0].xact % 2) != 0)
1094                         src_win->area[0].xact += 1;
1095                 if ((src_win->area[0].yact % 2) != 0)
1096                         src_win->area[0].yact += 1;
1097         }
1098         if (src_win->area[0].xvir < src_win->area[0].xact)
1099                 src_win->area[0].xvir = src_win->area[0].xact;
1100         if (src_win->area[0].yvir < src_win->area[0].yact)
1101                 src_win->area[0].yvir = src_win->area[0].yact;
1102
1103         format = get_rga_format(dst_win->area[0].format);
1104         if (format >= RK_FORMAT_YCbCr_422_SP &&
1105             format <= RK_FORMAT_YCrCb_420_P) {
1106                 if ((dst_win->area[0].xact % 2) != 0)
1107                         dst_win->area[0].xact += 1;
1108                 if ((dst_win->area[0].yact % 2) != 0)
1109                         dst_win->area[0].yact += 1;
1110         }
1111         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1112                 dst_win->area[0].xvir = dst_win->area[0].xact;
1113         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1114                 dst_win->area[0].yvir = dst_win->area[0].yact;
1115 }
1116
1117 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1118                             struct rk_lcdc_win *src_win,
1119                             u16 orientation, int iommu_en)
1120 {
1121         struct rga_req Rga_Request;
1122         long ret = 0;
1123         /* int fd = 0; */
1124
1125         memset(&Rga_Request, 0, sizeof(Rga_Request));
1126         rga_win_check(dst_win, src_win);
1127
1128         switch (orientation) {
1129         case ROTATE_90:
1130                 Rga_Request.rotate_mode = 1;
1131                 Rga_Request.sina = 65536;
1132                 Rga_Request.cosa = 0;
1133                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1134                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1135                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1136                 Rga_Request.dst.y_offset = 0;
1137                 break;
1138         case ROTATE_180:
1139                 Rga_Request.rotate_mode = 1;
1140                 Rga_Request.sina = 0;
1141                 Rga_Request.cosa = -65536;
1142                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1143                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1144                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1145                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1146                 break;
1147         case ROTATE_270:
1148                 Rga_Request.rotate_mode = 1;
1149                 Rga_Request.sina = -65536;
1150                 Rga_Request.cosa = 0;
1151                 Rga_Request.dst.act_w = dst_win->area[0].yact;
1152                 Rga_Request.dst.act_h = dst_win->area[0].xact;
1153                 Rga_Request.dst.x_offset = 0;
1154                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1155                 break;
1156         default:
1157                 Rga_Request.rotate_mode = 0;
1158                 Rga_Request.dst.act_w = dst_win->area[0].xact;
1159                 Rga_Request.dst.act_h = dst_win->area[0].yact;
1160                 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1161                 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1162                 break;
1163         }
1164
1165 /*
1166         fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1167         Rga_Request.src.yrgb_addr = fd;
1168         fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1169         Rga_Request.dst.yrgb_addr = fd;
1170 */
1171         Rga_Request.src.yrgb_addr = 0;
1172         Rga_Request.src.uv_addr =
1173             src_win->area[0].smem_start + src_win->area[0].y_offset;
1174         Rga_Request.src.v_addr = 0;
1175
1176         Rga_Request.dst.yrgb_addr = 0;
1177         Rga_Request.dst.uv_addr =
1178             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1179         Rga_Request.dst.v_addr = 0;
1180
1181         Rga_Request.src.vir_w = src_win->area[0].xvir;
1182         Rga_Request.src.vir_h = src_win->area[0].yvir;
1183         Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1184         Rga_Request.src.act_w = src_win->area[0].xact;
1185         Rga_Request.src.act_h = src_win->area[0].yact;
1186         Rga_Request.src.x_offset = 0;
1187         Rga_Request.src.y_offset = 0;
1188
1189         Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1190         Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1191         Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1192
1193         Rga_Request.clip.xmin = 0;
1194         Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1195         Rga_Request.clip.ymin = 0;
1196         Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1197         Rga_Request.scale_mode = 0;
1198 #if defined(CONFIG_ROCKCHIP_IOMMU)
1199         if (iommu_en) {
1200                 Rga_Request.mmu_info.mmu_en = 1;
1201                 Rga_Request.mmu_info.mmu_flag = 1;
1202         } else {
1203                 Rga_Request.mmu_info.mmu_en = 0;
1204                 Rga_Request.mmu_info.mmu_flag = 0;
1205         }
1206 #else
1207         Rga_Request.mmu_info.mmu_en = 0;
1208         Rga_Request.mmu_info.mmu_flag = 0;
1209 #endif
1210
1211         ret = rga_ioctl_kernel(&Rga_Request);
1212 }
1213
1214 /*
1215  * This function is used for copying fb by RGA Module
1216  * RGA only support copy RGB to RGB
1217  * RGA2 support copy RGB to RGB and YUV to YUV
1218  */
1219 static void fb_copy_by_rga(struct fb_info *dst_info,
1220                                 struct fb_info *src_info)
1221 {
1222         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1223         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1224         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1225         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1226         int win_id = 0, ext_win_id;
1227         struct rk_lcdc_win *src_win, *dst_win;
1228
1229         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1230         src_win = dev_drv->win[win_id];
1231
1232         ext_win_id =
1233             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1234         dst_win = ext_dev_drv->win[ext_win_id];
1235
1236         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1237                         ext_dev_drv->iommu_enabled);
1238 }
1239 #endif
1240
1241 static int rk_fb_rotate(struct fb_info *dst_info,
1242                           struct fb_info *src_info)
1243 {
1244
1245 #if defined(CONFIG_RK29_IPP)
1246         fb_copy_by_ipp(dst_info, src_info);
1247 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1248         fb_copy_by_rga(dst_info, src_info);
1249 #else
1250         return -1;
1251 #endif
1252         return 0;
1253 }
1254
1255 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1256                                             struct rk_lcdc_win *src_win,
1257                                             u16 rotate, int iommu_en)
1258 {
1259 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1260         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1261 #else
1262         return -1;
1263 #endif
1264         return 0;
1265 }
1266
1267 #endif
1268
1269 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1270                              struct fb_info *info)
1271 {
1272         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1273         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1274         struct fb_fix_screeninfo *fix = &info->fix;
1275         int win_id = 0;
1276         struct rk_lcdc_win *win = NULL;
1277         struct rk_screen *screen = dev_drv->cur_screen;
1278         u32 xoffset = var->xoffset;
1279         u32 yoffset = var->yoffset;
1280         u32 xvir = var->xres_virtual;
1281         u8 pixel_width;
1282         u32 vir_width_bit;
1283         u32 stride, uv_stride;
1284         u32 stride_32bit_1;
1285         u32 stride_32bit_2;
1286         u16 uv_x_off, uv_y_off, uv_y_act;
1287         u8 is_pic_yuv = 0;
1288
1289         if (dev_drv->suspend_flag)
1290                 return 0;
1291         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1292         if (win_id < 0)
1293                 return -ENODEV;
1294         else
1295                 win = dev_drv->win[win_id];
1296
1297         pixel_width = rk_fb_pixel_width(win->area[0].format);
1298         vir_width_bit = pixel_width * xvir;
1299         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1300         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1301
1302         switch (win->area[0].format) {
1303         case YUV422:
1304         case YUV422_A:
1305                 is_pic_yuv = 1;
1306                 stride = stride_32bit_1;
1307                 uv_stride = stride_32bit_1 >> 1;
1308                 uv_x_off = xoffset >> 1;
1309                 uv_y_off = yoffset;
1310                 fix->line_length = stride;
1311                 uv_y_act = win->area[0].yact >> 1;
1312                 break;
1313         case YUV420:            /* nv12 */
1314         case YUV420_NV21:       /* nv21 */
1315         case YUV420_A:
1316                 is_pic_yuv = 1;
1317                 stride = stride_32bit_1;
1318                 uv_stride = stride_32bit_1;
1319                 uv_x_off = xoffset;
1320                 uv_y_off = yoffset >> 1;
1321                 fix->line_length = stride;
1322                 uv_y_act = win->area[0].yact >> 1;
1323                 break;
1324         case YUV444:
1325         case YUV444_A:
1326                 is_pic_yuv = 1;
1327                 stride = stride_32bit_1;
1328                 uv_stride = stride_32bit_2;
1329                 uv_x_off = xoffset * 2;
1330                 uv_y_off = yoffset;
1331                 fix->line_length = stride << 2;
1332                 uv_y_act = win->area[0].yact;
1333                 break;
1334         default:
1335                 stride = stride_32bit_1;        /* default rgb */
1336                 fix->line_length = stride;
1337                 break;
1338         }
1339
1340         /* x y mirror ,jump line */
1341         if ((screen->y_mirror == 1) ||
1342             (win->mirror_en == 1)) {
1343                 if (screen->interlace == 1) {
1344                         win->area[0].y_offset = yoffset * stride * 2 +
1345                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1346                             xoffset * pixel_width / 8;
1347                 } else {
1348                         win->area[0].y_offset = yoffset * stride +
1349                             (win->area[0].yact - 1) * stride +
1350                             xoffset * pixel_width / 8;
1351                 }
1352         } else {
1353                 if (screen->interlace == 1) {
1354                         win->area[0].y_offset =
1355                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1356                 } else {
1357                         win->area[0].y_offset =
1358                             yoffset * stride + xoffset * pixel_width / 8;
1359                 }
1360         }
1361         if (is_pic_yuv == 1) {
1362                 if ((screen->y_mirror == 1) ||
1363                     (win->mirror_en == 1)) {
1364                         if (screen->interlace == 1) {
1365                                 win->area[0].c_offset =
1366                                     uv_y_off * uv_stride * 2 +
1367                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1368                                     uv_x_off * pixel_width / 8;
1369                         } else {
1370                                 win->area[0].c_offset = uv_y_off * uv_stride +
1371                                     (uv_y_act - 1) * uv_stride +
1372                                     uv_x_off * pixel_width / 8;
1373                         }
1374                 } else {
1375                         if (screen->interlace == 1) {
1376                                 win->area[0].c_offset =
1377                                     uv_y_off * uv_stride * 2 +
1378                                     uv_x_off * pixel_width / 8;
1379                         } else {
1380                                 win->area[0].c_offset =
1381                                     uv_y_off * uv_stride +
1382                                     uv_x_off * pixel_width / 8;
1383                         }
1384                 }
1385         }
1386
1387         win->area[0].smem_start = fix->smem_start;
1388         win->area[0].cbr_start = fix->mmio_start;
1389         win->area[0].state = 1;
1390         win->area_num = 1;
1391
1392         dev_drv->ops->pan_display(dev_drv, win_id);
1393
1394 #ifdef  CONFIG_FB_MIRRORING
1395         if (video_data_to_mirroring)
1396                 video_data_to_mirroring(info, NULL);
1397 #endif
1398         /*if not want the config effect,set reserved[3] bit[0] 1*/
1399         if (likely((var->reserved[3] & 0x1) == 0))
1400                 dev_drv->ops->cfg_done(dev_drv);
1401         if (dev_drv->hdmi_switch)
1402                 mdelay(100);
1403         return 0;
1404 }
1405
1406 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1407 {
1408         int i, j;
1409
1410         i = list_empty(&dev_drv->update_regs_list);
1411         j = list_empty(&dev_drv->saved_list);
1412         return i == j ? 0 : 1;
1413 }
1414
1415 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1416 {
1417         int err = sync_fence_wait(fence, 1000);
1418
1419         if (err >= 0)
1420                 return;
1421
1422         if (err == -ETIME)
1423                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1424
1425         if (err < 0)
1426                 printk("error waiting on fence\n");
1427 }
1428 #if 0
1429 static int rk_fb_copy_from_loader(struct fb_info *info)
1430 {
1431         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1432         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1433         void *dst = info->screen_base;
1434         u32 dsp_addr[4];
1435         u32 src;
1436         u32 i,size;
1437         int win_id;
1438         struct rk_lcdc_win *win;
1439         
1440         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1441         win = dev_drv->win[win_id];
1442         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1443         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1444         src = dsp_addr[win_id];
1445         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1446                  win->area[0].xact, win->area[0].yact, src);
1447         for (i = 0; i < size; i += PAGE_SIZE) {
1448                 void *page = phys_to_page(i + src);
1449                 void *from_virt = kmap(page);
1450                 void *to_virt = dst + i;
1451                 memcpy(to_virt, from_virt, PAGE_SIZE);
1452         }
1453         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1454                                       info->fix.smem_start);
1455         return 0;
1456 }
1457 #endif
1458 #ifdef CONFIG_ROCKCHIP_IOMMU
1459 static int g_last_addr[5][4];
1460 static int g_now_config_addr[5][4];
1461 static int g_last_state[5][4];
1462 static int g_now_config_state[5][4];
1463 int g_last_timeout;
1464 u32 freed_addr[10];
1465 u32 freed_index;
1466
1467 #define DUMP_CHUNK 256
1468 char buf[PAGE_SIZE];
1469
1470 int rk_fb_sysmmu_fault_handler(struct device *dev,
1471                                enum rk_iommu_inttype itype,
1472                                unsigned long pgtable_base,
1473                                unsigned long fault_addr, unsigned int status)
1474 {
1475         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1476         int i = 0, j = 0;
1477         static int page_fault_cnt;
1478         if ((page_fault_cnt++) >= 10)
1479                 return 0;
1480         pr_err
1481             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1482              fault_addr, pgtable_base, status);
1483         pr_info("last config addr:\n");
1484         for (i = 0; i < 4; i++) {
1485                 for (j = 0; j < 4; j++)
1486                         pr_info("win[%d],area[%d] = 0x%08x\n",
1487                                 i, j, g_last_addr[i][j]);
1488         }
1489         pr_info("last freed buffer:\n");
1490         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1491                 printk("%d:0x%08x\n", i, freed_addr[i]);
1492         printk("last timeout:%d\n", g_last_timeout);
1493         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1494         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1495                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1496                         char c = buf[i + DUMP_CHUNK];
1497                         buf[i + DUMP_CHUNK] = 0;
1498                         pr_cont("%s", buf + i);
1499                         buf[i + DUMP_CHUNK] = c;
1500                 } else {
1501                         buf[PAGE_SIZE - 1] = 0;
1502                         pr_cont("%s", buf + i);
1503                 }
1504         }
1505
1506         return 0;
1507 }
1508 #endif
1509
1510 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1511                         struct rk_fb_reg_win_data *reg_win_data)
1512 {
1513         int i, index_buf;
1514         struct rk_fb_reg_area_data *area_data;
1515         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1516
1517         for (i = 0; i < reg_win_data->area_num; i++) {
1518                 area_data = &reg_win_data->reg_area_data[i];
1519                 index_buf = area_data->index_buf;
1520 #if defined(CONFIG_ROCKCHIP_IOMMU)
1521                 if (dev_drv->iommu_enabled) {
1522                         if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1523                              (area_data->ion_handle != NULL))
1524                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1525                                                 area_data->ion_handle);
1526                         freed_addr[freed_index++] = area_data->smem_start;
1527                 }
1528 #endif
1529                 if (area_data->ion_handle != NULL)
1530                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1531
1532                 if (area_data->acq_fence)
1533                         sync_fence_put(area_data->acq_fence);
1534         }
1535         memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1536 }
1537
1538 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1539                                 struct rk_lcdc_win *win,
1540                                 struct rk_fb_reg_win_data *reg_win_data)
1541 {
1542         int i = 0;
1543         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1544         struct rk_screen *cur_screen;
1545         struct rk_screen primary_screen;
1546
1547         if (unlikely(!inf) || unlikely(!dev_drv) ||
1548             unlikely(!win) || unlikely(!reg_win_data))
1549                 return;
1550
1551         cur_screen = dev_drv->cur_screen;
1552         rk_fb_get_prmry_screen(&primary_screen);
1553
1554         win->area_num = reg_win_data->area_num;
1555         win->id = reg_win_data->win_id;
1556         win->z_order = reg_win_data->z_order;
1557
1558         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1559                 win->state = 1;
1560                 win->area_num = reg_win_data->area_num;
1561                 win->id = reg_win_data->win_id;
1562                 win->z_order = reg_win_data->z_order;
1563                 win->area[0].uv_vir_stride =
1564                     reg_win_data->reg_area_data[0].uv_vir_stride;
1565                 win->area[0].cbr_start =
1566                     reg_win_data->reg_area_data[0].cbr_start;
1567                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1568                 win->alpha_en = reg_win_data->alpha_en;
1569                 win->alpha_mode = reg_win_data->alpha_mode;
1570                 win->g_alpha_val = reg_win_data->g_alpha_val;
1571                 win->mirror_en = reg_win_data->mirror_en;
1572                 win->area[0].fbdc_en =
1573                         reg_win_data->reg_area_data[0].fbdc_en;
1574                 win->area[0].fbdc_cor_en =
1575                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1576                 win->area[0].fbdc_data_format =
1577                         reg_win_data->reg_area_data[0].fbdc_data_format;
1578                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1579                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1580                                 win->area[i].format =
1581                                         reg_win_data->reg_area_data[i].data_format;
1582                                 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1583                                         win->area[i].ion_hdl =
1584                                         reg_win_data->reg_area_data[i].ion_handle;
1585                                 win->area[i].smem_start =
1586                                         reg_win_data->reg_area_data[i].smem_start;
1587                                 if (inf->disp_mode == DUAL ||
1588                                     inf->disp_mode == NO_DUAL ||
1589                                     inf->disp_policy == DISPLAY_POLICY_BOX) {
1590                                         win->area[i].xpos =
1591                                                 reg_win_data->reg_area_data[i].xpos;
1592                                         win->area[i].ypos =
1593                                                 reg_win_data->reg_area_data[i].ypos;
1594                                         win->area[i].xsize =
1595                                                 reg_win_data->reg_area_data[i].xsize;
1596                                         win->area[i].ysize =
1597                                                 reg_win_data->reg_area_data[i].ysize;
1598                                 } else {
1599                                         win->area[i].xpos =
1600                                                 reg_win_data->reg_area_data[i].xpos *
1601                                                 cur_screen->mode.xres /
1602                                                 primary_screen.mode.xres;
1603                                         win->area[i].ypos =
1604                                                 reg_win_data->reg_area_data[i].ypos *
1605                                                 cur_screen->mode.yres /
1606                                                 primary_screen.mode.yres;
1607                                         win->area[i].xsize =
1608                                                 reg_win_data->reg_area_data[i].xsize *
1609                                                 cur_screen->mode.xres /
1610                                                 primary_screen.mode.xres;
1611                                         win->area[i].ysize =
1612                                                 reg_win_data->reg_area_data[i].ysize *
1613                                                 cur_screen->mode.yres /
1614                                                 primary_screen.mode.yres;
1615
1616                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1617                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1618                                                 if (cur_screen->xsize > 0 &&
1619                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1620                                                         win->area[i].xpos =
1621                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1622                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1623                                                         win->area[i].xsize =
1624                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1625                                                 }
1626                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1627                                                         win->area[i].ypos =
1628                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1629                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1630                                                         win->area[i].ysize =
1631                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1632                                                 }
1633                                         }
1634                                 }
1635                                 win->area[i].xact =
1636                                     reg_win_data->reg_area_data[i].xact;
1637                                 win->area[i].yact =
1638                                     reg_win_data->reg_area_data[i].yact;
1639                                 win->area[i].xvir =
1640                                     reg_win_data->reg_area_data[i].xvir;
1641                                 win->area[i].yvir =
1642                                     reg_win_data->reg_area_data[i].yvir;
1643                                 win->area[i].xoff =
1644                                     reg_win_data->reg_area_data[i].xoff;
1645                                 win->area[i].yoff =
1646                                     reg_win_data->reg_area_data[i].yoff;
1647                                 win->area[i].y_offset =
1648                                     reg_win_data->reg_area_data[i].y_offset;
1649                                 win->area[i].y_vir_stride =
1650                                     reg_win_data->reg_area_data[i].y_vir_stride;
1651                                 win->area[i].state = 1;
1652 #if defined(CONFIG_ROCKCHIP_IOMMU)
1653                                 if (dev_drv->iommu_enabled) {
1654                                         g_now_config_addr[win->id][i] =
1655                                                 win->area[i].smem_start +
1656                                                 win->area[i].y_offset;
1657                                         g_now_config_state[win->id][i] = 1;
1658                                 }
1659 #endif
1660                         } else {
1661                                 win->area[i].state = 0;
1662 #if defined(CONFIG_ROCKCHIP_IOMMU)
1663                                 if (dev_drv->iommu_enabled) {
1664                                         g_now_config_addr[win->id][i] = 0;
1665                                         g_now_config_state[win->id][i] = 0;
1666                                 }
1667 #endif
1668                         }
1669                 }
1670         }
1671 }
1672
1673 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1674                                                      *regs, int win_id)
1675 {
1676         int i;
1677         struct rk_fb_reg_win_data *win_data = NULL;
1678         for (i = 0; i < regs->win_num; i++) {
1679                 if (regs->reg_win_data[i].win_id == win_id) {
1680                         win_data = &(regs->reg_win_data[i]);
1681                         break;
1682                 }
1683         }
1684
1685         return win_data;
1686 }
1687
1688 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1689                              struct rk_fb_reg_data *regs,
1690                              int count)
1691 {
1692         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1693         int i, j, wait_for_vsync = false;
1694         unsigned int dsp_addr[5][4];
1695         int win_status = 0;
1696
1697         if (dev_drv->ops->get_dsp_addr)
1698                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1699
1700         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1701                 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1702                     (!strcmp(dev_drv->win[i]->name, "hwc")))
1703                         continue;
1704
1705                 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1706                         if ((j > 0) && (dev_drv->area_support[i] == 1)) {
1707                                 continue;
1708                         }
1709                         if (dev_drv->win[i]->area[j].state == 1) {
1710                                 u32 new_start =
1711                                         dev_drv->win[i]->area[j].smem_start +
1712                                         dev_drv->win[i]->area[j].y_offset;
1713                                 u32 reg_start = dsp_addr[i][j];
1714                                 if ((rk_fb->disp_policy ==
1715                                         DISPLAY_POLICY_BOX) &&
1716                                         (dev_drv->suspend_flag))
1717                                         continue;
1718                                 if (unlikely(new_start != reg_start)) {
1719                                         wait_for_vsync = true;
1720                                         dev_info(dev_drv->dev,
1721                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1722                                                  i, new_start, reg_start, 101 - count);
1723                                         break;
1724                                 }
1725                         } else if (dev_drv->win[i]->area[j].state == 0) {
1726                                 if (dev_drv->ops->get_win_state) {
1727                                         win_status =
1728                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1729                                         if (win_status)
1730                                                 wait_for_vsync = true;
1731                                 }
1732                         } else {
1733                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1734                                        i, dev_drv->win[i]->state);
1735                         }
1736                 }
1737         }
1738
1739         return wait_for_vsync;
1740 }
1741
1742 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1743 {
1744         int i, j, state, page_fault = 0;
1745         unsigned int dsp_addr[5][4];
1746
1747         if (dev_drv->ops->extern_func) {
1748                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1749                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1750         }
1751         if (page_fault) {
1752                 pr_info("last config:\n");
1753                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1754                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1755                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1756                                         continue;
1757                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1758                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1759                         }
1760                 }
1761
1762                 pr_info("last freed buffer:\n");
1763                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1764                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1765
1766                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1767                 pr_info("vop now state:\n");
1768                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1769                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1770                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1771                                         continue;
1772                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1773                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1774                                         i, j, state, dsp_addr[i][j]);
1775                     }
1776                 }
1777                 pr_info("now config:\n");
1778                 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1779                         for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1780                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1781                                         continue;
1782                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1783                                         i, j, g_now_config_state[i][j],
1784                                         g_now_config_addr[i][j]);
1785                         }
1786                 }
1787                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1788                         rk_fb_config_debug(dev_drv, &(dev_drv->tmp_win_cfg[i]),
1789                                            &(dev_drv->tmp_regs[i]), 0);
1790         }
1791
1792         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1793                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1794                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1795                                 continue;
1796                         g_last_addr[i][j] = g_now_config_addr[i][j];
1797                         g_last_state[i][j] = g_now_config_state[i][j];
1798                 }
1799         }
1800
1801         return page_fault;
1802 }
1803 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1804                              struct rk_fb_reg_data *regs)
1805 {
1806         int i, j;
1807         struct rk_lcdc_win *win;
1808         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1809         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1810         struct rk_fb_reg_win_data *win_data;
1811         bool wait_for_vsync;
1812         int count = 100;
1813         long timeout;
1814         int pagefault = 0;
1815         /* acq_fence wait */
1816         for (i = 0; i < regs->win_num; i++) {
1817                 win_data = &regs->reg_win_data[i];
1818                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1819                         if (win_data->reg_area_data[j].acq_fence) {
1820                                 /* printk("acq_fence wait!!!!!\n"); */
1821                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1822                         }
1823                 }
1824         }
1825
1826         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1827                 win = dev_drv->win[i];
1828                 win_data = rk_fb_get_win_data(regs, i);
1829                 if (win_data) {
1830                         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1831                             (win_data->reg_area_data[0].data_format == YUV420 ||
1832                              win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1833                              win_data->reg_area_data[0].data_format == YUV420_A))
1834                                 continue;
1835                         mutex_lock(&dev_drv->win_config);
1836                         rk_fb_update_win(dev_drv, win, win_data);
1837                         win->state = 1;
1838                         dev_drv->ops->set_par(dev_drv, i);
1839                         dev_drv->ops->pan_display(dev_drv, i);
1840                         mutex_unlock(&dev_drv->win_config);
1841                 } else {
1842                         win->z_order = -1;
1843                         win->state = 0;
1844                         for (j = 0; j < 4; j++)
1845                                 win->area[j].state = 0;
1846 #if defined(CONFIG_ROCKCHIP_IOMMU)
1847                         if (dev_drv->iommu_enabled) {
1848                                 for (j = 0; j < 4; j++) {
1849                                         g_now_config_addr[i][j] = 0;
1850                                         g_now_config_state[i][j] = 0;
1851                                 }
1852                         }
1853 #endif
1854                 }
1855         }
1856         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1857
1858         if (rk_fb_iommu_debug > 0) {
1859                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1860         }
1861
1862         if (pagefault == 0) {
1863                 dev_drv->ops->cfg_done(dev_drv);
1864         } else {
1865                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1866         }
1867
1868         do {
1869                 timestamp = dev_drv->vsync_info.timestamp;
1870                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1871                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1872                                 msecs_to_jiffies(50));
1873
1874                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1875         } while (wait_for_vsync && count--);
1876 #ifdef H_USE_FENCE
1877         sw_sync_timeline_inc(dev_drv->timeline, 1);
1878 #endif
1879
1880         if (dev_drv->front_regs) {
1881 #if defined(CONFIG_ROCKCHIP_IOMMU)
1882                 if (dev_drv->iommu_enabled) {
1883                         if (dev_drv->ops->mmu_en)
1884                                 dev_drv->ops->mmu_en(dev_drv);
1885                         freed_index = 0;
1886                         g_last_timeout = timeout;
1887                 }
1888 #endif
1889
1890                 mutex_lock(&dev_drv->front_lock);
1891
1892                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1893                         win_data = &dev_drv->front_regs->reg_win_data[i];
1894                         rk_fb_free_dma_buf(dev_drv, win_data);
1895                 }
1896                 kfree(dev_drv->front_regs);
1897
1898                 mutex_unlock(&dev_drv->front_lock);
1899
1900 #if defined(CONFIG_ROCKCHIP_IOMMU)
1901                 if (dev_drv->iommu_enabled)
1902                         freed_addr[freed_index] = 0xfefefefe;
1903 #endif
1904         }
1905
1906         mutex_lock(&dev_drv->front_lock);
1907
1908         dev_drv->front_regs = regs;
1909
1910         mutex_unlock(&dev_drv->front_lock);
1911
1912         trace_buffer_dump(&fb_pdev->dev, dev_drv);
1913 }
1914
1915 static void rk_fb_update_regs_handler(struct kthread_work *work)
1916 {
1917         struct rk_lcdc_driver *dev_drv =
1918             container_of(work, struct rk_lcdc_driver, update_regs_work);
1919         struct rk_fb_reg_data *data, *next;
1920
1921         mutex_lock(&dev_drv->update_regs_list_lock);
1922         dev_drv->saved_list = dev_drv->update_regs_list;
1923         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1924         mutex_unlock(&dev_drv->update_regs_list_lock);
1925
1926         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1927                 rk_fb_update_reg(dev_drv, data);
1928                 list_del(&data->list);
1929         }
1930
1931         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1932                 wake_up(&dev_drv->update_regs_wait);
1933 }
1934
1935 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1936                                   struct rk_screen *screen)
1937 {
1938         if (area_par->phy_addr > 0)
1939                 pr_err("%s[%d], phy_addr = 0x%x\n",
1940                        __func__, __LINE__, area_par->phy_addr);
1941         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1942             (area_par->xact <= 0) || (area_par->yact <= 0) ||
1943             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1944                 pr_err("check config var fail 0:\n"
1945                        "x_offset=%d,xact=%d,xvir=%d\n",
1946                        area_par->x_offset, area_par->xact, area_par->xvir);
1947                 return -EINVAL;
1948         }
1949
1950         if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1951             (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1952             (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1953                 pr_warn("check config var fail 1:\n"
1954                        "xpos=%d,xsize=%d,xres=%d\n"
1955                        "ypos=%d,ysize=%d,yres=%d\n",
1956                        area_par->xpos, area_par->xsize, screen->mode.xres,
1957                        area_par->ypos, area_par->ysize, screen->mode.yres);
1958                 return -EINVAL;
1959         }
1960         return 0;
1961 }
1962
1963 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1964                               struct rk_fb_win_cfg_data *win_data,
1965                               struct rk_fb_reg_data *regs, u32 cmd)
1966 {
1967         int i, j;
1968         struct rk_fb_win_par *win_par;
1969         struct rk_fb_area_par *area_par;
1970         struct rk_fb_reg_win_data *reg_win_data;
1971         struct rk_fb_reg_area_data *area_data;
1972
1973         fb_dbg(cmd, "-------------frame start-------------\n");
1974         fb_dbg(cmd, "user config:\n");
1975         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1976                 win_par = &(win_data->win_par[i]);
1977                 if ((win_par->area_par[0].ion_fd <= 0) &&
1978                     (win_par->area_par[0].phy_addr <= 0))
1979                         continue;
1980                 fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1981                        win_par->win_id, win_par->z_order,
1982                        win_par->g_alpha_val);
1983                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1984                         area_par = &(win_par->area_par[j]);
1985                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1986                             ((win_par->area_par[j].ion_fd <= 0) &&
1987                              (win_par->area_par[j].phy_addr <= 0)))
1988                                 continue;
1989                         fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1990                                j, area_par->data_format, area_par->ion_fd,
1991                                area_par->phy_addr, area_par->x_offset,
1992                                area_par->y_offset);
1993                         fb_dbg(cmd, "      xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1994                                area_par->xpos, area_par->ypos,
1995                                area_par->xsize, area_par->ysize);
1996                         fb_dbg(cmd, "      xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1997                                area_par->xact, area_par->yact,
1998                                area_par->xvir, area_par->yvir);
1999                 }
2000         }
2001
2002         fb_dbg(cmd, "regs data:\n");
2003         fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2004                regs->win_num, regs->buf_num);
2005         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2006                 reg_win_data = &(regs->reg_win_data[i]);
2007                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2008                         continue;
2009                 fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2010                        reg_win_data->win_id, reg_win_data->z_order,
2011                        reg_win_data->area_num, reg_win_data->area_buf_num);
2012                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2013                         area_data = &(reg_win_data->reg_area_data[j]);
2014                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2015                             (area_data->smem_start <= 0))
2016                                 continue;
2017                         fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2018                                j, area_data->data_format, area_data->ion_handle,
2019                                area_data->smem_start, area_data->cbr_start);
2020                         fb_dbg(cmd, "      yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2021                                area_data->y_offset, area_data->c_offset,area_data->buff_len);
2022                         fb_dbg(cmd, "      xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2023                                area_data->xpos, area_data->ypos,
2024                                area_data->xsize, area_data->ysize);
2025                         fb_dbg(cmd, "      xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2026                                area_data->xact, area_data->yact,
2027                                area_data->xvir, area_data->yvir);
2028                 }
2029         }
2030         fb_dbg(cmd, "-------------frame end---------------\n");
2031
2032         return 0;
2033 }
2034 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2035                                    struct rk_fb_win_cfg_data *win_cfg,
2036                                    struct rk_fb_reg_data *regs)
2037 {
2038         int i;
2039
2040         /*2->1->0: 0 is newest*/
2041         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2042                 memcpy(&(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-1-i]),
2043                        &(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-2-i]),
2044                        sizeof(struct rk_fb_win_cfg_data));
2045                 memcpy(&(dev_drv->tmp_regs[DUMP_FRAME_NUM-1-i]),
2046                        &(dev_drv->tmp_regs[DUMP_FRAME_NUM-2-i]),
2047                        sizeof(struct rk_fb_reg_data));
2048         }
2049
2050         memcpy(&(dev_drv->tmp_win_cfg[0]), win_cfg,
2051                sizeof(struct rk_fb_win_cfg_data));
2052         memcpy(&(dev_drv->tmp_regs[0]), regs,
2053                sizeof(struct rk_fb_reg_data));
2054
2055         return 0;
2056 }
2057 static int rk_fb_set_win_buffer(struct fb_info *info,
2058                                 struct rk_fb_win_par *win_par,
2059                                 struct rk_fb_reg_win_data *reg_win_data)
2060 {
2061         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2062         struct fb_fix_screeninfo *fix = &info->fix;
2063         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2064         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2065         /*if hdmi size move to hwc,screen should point to cur_screen
2066           otherwise point to screen0[main screen]*/
2067         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2068         struct fb_info *fbi;
2069         int i, ion_fd, acq_fence_fd;
2070         u32 xvir, yvir;
2071         u32 xoffset, yoffset;
2072
2073         struct ion_handle *hdl;
2074         size_t len;
2075         int index_buf;
2076         u8 fb_data_fmt;
2077         u8 pixel_width;
2078         u32 vir_width_bit;
2079         u32 stride, uv_stride;
2080         u32 stride_32bit_1;
2081         u32 stride_32bit_2;
2082         u16 uv_x_off, uv_y_off, uv_y_act;
2083         u8 is_pic_yuv = 0;
2084         u8 ppixel_a = 0, global_a = 0;
2085         ion_phys_addr_t phy_addr;
2086         int ret = 0;
2087         int buff_len;
2088
2089         reg_win_data->reg_area_data[0].smem_start = -1;
2090         reg_win_data->area_num = 0;
2091         fbi = rk_fb->fb[reg_win_data->win_id];
2092         if (win_par->area_par[0].phy_addr == 0) {
2093                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2094                         ion_fd = win_par->area_par[i].ion_fd;
2095                         if (ion_fd > 0) {
2096                                 hdl =
2097                                     ion_import_dma_buf(rk_fb->ion_client,
2098                                                        ion_fd);
2099                                 if (IS_ERR(hdl)) {
2100                                         pr_info("%s: Could not import handle:"
2101                                                 " %ld\n", __func__, (long)hdl);
2102                                         return -EINVAL;
2103                                         break;
2104                                 }
2105                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2106 #ifndef CONFIG_ROCKCHIP_IOMMU
2107                                 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2108                                                 &len);
2109 #else
2110                                 if (dev_drv->iommu_enabled)
2111                                         ret = ion_map_iommu(dev_drv->dev,
2112                                                                 rk_fb->ion_client,
2113                                                                 hdl,
2114                                                                 (unsigned long *)&phy_addr,
2115                                                                 (unsigned long *)&len);
2116                                 else
2117                                         ret = ion_phys(rk_fb->ion_client, hdl,
2118                                                         &phy_addr, &len);
2119 #endif
2120                                 if (ret < 0) {
2121                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2122                                         ion_free(rk_fb->ion_client, hdl);
2123                                         return -ENOMEM;
2124                                 }
2125                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2126                                 reg_win_data->area_num++;
2127                                 reg_win_data->area_buf_num++;
2128                                 reg_win_data->reg_area_data[i].index_buf = 1;
2129                                 reg_win_data->reg_area_data[i].buff_len = len;
2130                         }
2131                 }
2132         } else {
2133                 reg_win_data->reg_area_data[0].smem_start =
2134                     win_par->area_par[0].phy_addr;
2135                 reg_win_data->area_num = 1;
2136                 reg_win_data->area_buf_num++;
2137                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2138         }
2139
2140         if (reg_win_data->area_num == 0) {
2141                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2142                         reg_win_data->reg_area_data[i].smem_start = 0;
2143                 reg_win_data->z_order = -1;
2144                 reg_win_data->win_id = -1;
2145                 return 0;
2146         }
2147
2148         for (i = 0; i < reg_win_data->area_num; i++) {
2149                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2150                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2151                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2152                         reg_win_data->reg_area_data[i].acq_fence =
2153                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2154                 }
2155         }
2156         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2157                 reg_win_data->z_order = win_par->z_order;
2158                 reg_win_data->win_id = win_par->win_id;
2159         } else {
2160                 reg_win_data->z_order = -1;
2161                 reg_win_data->win_id = -1;
2162         }
2163
2164         reg_win_data->mirror_en = win_par->mirror_en;
2165         for (i = 0; i < reg_win_data->area_num; i++) {
2166                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2167
2168                 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
2169                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2170                 if (fb_data_fmt >= FBDC_RGB_565) {
2171                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2172                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2173                 } else {
2174                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2175                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2176                 }
2177                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2178
2179                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2180                              (fb_data_fmt == FBDC_ARGB_888) ||
2181                              (fb_data_fmt == FBDC_ABGR_888) ||
2182                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2183                 /*act_height should be 2 pix align for interlace output*/
2184                 if (win_par->area_par[i].yact % 2 == 1) {
2185                         win_par->area_par[i].yact  -= 1;
2186                         win_par->area_par[i].ysize -= 1;
2187                 }
2188
2189                 /* buf offset should be 2 pix align*/
2190                 if (win_par->area_par[i].x_offset % 2 == 1) {
2191                         win_par->area_par[i].x_offset += 1;
2192                         win_par->area_par[i].xact -= 1;
2193                 }
2194
2195                 /* visiable pos in panel */
2196                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2197                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2198
2199                 /* realy size in panel */
2200                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2201                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2202
2203                 /* realy size in panel */
2204                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2205                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2206
2207                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2208                 yoffset = win_par->area_par[i].y_offset;
2209                 reg_win_data->reg_area_data[i].xoff = xoffset;
2210                 reg_win_data->reg_area_data[i].yoff = yoffset;
2211
2212                 xvir = win_par->area_par[i].xvir;
2213                 reg_win_data->reg_area_data[i].xvir = xvir;
2214                 yvir = win_par->area_par[i].yvir;
2215                 reg_win_data->reg_area_data[i].yvir = yvir;
2216
2217                 vir_width_bit = pixel_width * xvir;
2218                 /* pixel_width = byte_num*8 */
2219                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2220                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2221
2222                 stride = stride_32bit_1;        /* default rgb */
2223                 fix->line_length = stride;
2224                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2225
2226                 /* x y mirror ,jump line
2227                  * reg_win_data->reg_area_data[i].y_offset =
2228                  *              yoffset*stride+xoffset*pixel_width/8;
2229                  */
2230                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2231                         if (screen->interlace == 1) {
2232                                 reg_win_data->reg_area_data[i].y_offset =
2233                                     yoffset * stride * 2 +
2234                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2235                                     xoffset * pixel_width / 8;
2236                         } else {
2237                                 reg_win_data->reg_area_data[i].y_offset =
2238                                     yoffset * stride +
2239                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2240                                     xoffset * pixel_width / 8;
2241                         }
2242                 } else {
2243                         if (screen->interlace == 1) {
2244                                 reg_win_data->reg_area_data[i].y_offset =
2245                                     yoffset * stride * 2 +
2246                                     xoffset * pixel_width / 8;
2247                         } else {
2248                                 reg_win_data->reg_area_data[i].y_offset =
2249                                     yoffset * stride +
2250                                     xoffset * pixel_width / 8;
2251                         }
2252                 }
2253                 if ((fb_data_fmt != YUV420) &&
2254                     (fb_data_fmt != YUV420_NV21) &&
2255                     (fb_data_fmt != YUV422) &&
2256                     (fb_data_fmt != YUV444) &&
2257                     dev_drv->iommu_enabled) {
2258                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2259                                 reg_win_data->reg_area_data[i].xvir *
2260                                 reg_win_data->reg_area_data[i].yact *
2261                                 pixel_width / 8 -
2262                                 reg_win_data->reg_area_data[i].xoff*
2263                                 pixel_width / 8;
2264                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2265                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2266                                        "yact[%d]*bpp[%d]"
2267                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2268                                        fb_data_fmt,
2269                                        reg_win_data->reg_area_data[i].xvir,
2270                                        reg_win_data->reg_area_data[i].yact,
2271                                        pixel_width, buff_len,
2272                                        reg_win_data->reg_area_data[i].buff_len);
2273                 }
2274         }
2275
2276         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2277         reg_win_data->alpha_en = ppixel_a | global_a;
2278         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2279         reg_win_data->alpha_mode = win_par->alpha_mode;
2280
2281         switch (fb_data_fmt) {
2282         case YUV422:
2283         case YUV422_A:
2284                 is_pic_yuv = 1;
2285                 stride = stride_32bit_1;
2286                 uv_stride = stride_32bit_1 >> 1;
2287                 uv_x_off = xoffset >> 1;
2288                 uv_y_off = yoffset;
2289                 fix->line_length = stride;
2290                 uv_y_act = win_par->area_par[0].yact >> 1;
2291                 break;
2292         case YUV420:            /* nv12 */
2293         case YUV420_NV21:       /* nv21 */
2294         case YUV420_A:
2295                 is_pic_yuv = 1;
2296                 stride = stride_32bit_1;
2297                 uv_stride = stride_32bit_1;
2298                 uv_x_off = xoffset;
2299                 uv_y_off = yoffset >> 1;
2300                 fix->line_length = stride;
2301                 uv_y_act = win_par->area_par[0].yact >> 1;
2302                 break;
2303         case YUV444:
2304         case YUV444_A:
2305                 is_pic_yuv = 1;
2306                 stride = stride_32bit_1;
2307                 uv_stride = stride_32bit_2;
2308                 uv_x_off = xoffset * 2;
2309                 uv_y_off = yoffset;
2310                 fix->line_length = stride << 2;
2311                 uv_y_act = win_par->area_par[0].yact;
2312                 break;
2313         default:
2314                 break;
2315         }
2316         if (is_pic_yuv == 1) {
2317                 reg_win_data->reg_area_data[0].cbr_start =
2318                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2319                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2320                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2321                         if (screen->interlace == 1) {
2322                                 reg_win_data->reg_area_data[0].c_offset =
2323                                     uv_y_off * uv_stride * 2 +
2324                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2325                                     uv_x_off * pixel_width / 8;
2326                         } else {
2327                                 reg_win_data->reg_area_data[0].c_offset =
2328                                     uv_y_off * uv_stride +
2329                                     (uv_y_act - 1) * uv_stride +
2330                                     uv_x_off * pixel_width / 8;
2331                         }
2332                 } else {
2333                         if (screen->interlace == 1) {
2334                                 reg_win_data->reg_area_data[0].c_offset =
2335                                     uv_y_off * uv_stride * 2 +
2336                                     uv_x_off * pixel_width / 8;
2337                         } else {
2338                                 reg_win_data->reg_area_data[0].c_offset =
2339                                     uv_y_off * uv_stride +
2340                                     uv_x_off * pixel_width / 8;
2341                         }
2342                 }
2343                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2344                         reg_win_data->reg_area_data[0].c_offset +
2345                         reg_win_data->reg_area_data[0].xvir *
2346                         reg_win_data->reg_area_data[0].yact *
2347                         pixel_width / 16 -
2348                         reg_win_data->reg_area_data[0].smem_start -
2349                         reg_win_data->reg_area_data[0].xoff*
2350                         pixel_width / 16 ;
2351                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2352                      dev_drv->iommu_enabled)
2353                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2354                                "yact[%d]*bpp[%d]"
2355                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2356                                fb_data_fmt,
2357                                reg_win_data->reg_area_data[0].xvir,
2358                                reg_win_data->reg_area_data[0].yact,
2359                                pixel_width, buff_len,
2360                                reg_win_data->reg_area_data[0].buff_len);
2361         }
2362
2363         /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2364          * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2365          * delete by hjc for new hdmi overscan framework
2366          */
2367         /*info->var.yoffset = yoffset;
2368         info->var.xoffset = xoffset;*/
2369         return 0;
2370 }
2371
2372 static int rk_fb_set_win_config(struct fb_info *info,
2373                                 struct rk_fb_win_cfg_data *win_data)
2374 {
2375         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2376         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2377         struct rk_fb_reg_data *regs;
2378 #ifdef H_USE_FENCE
2379         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2380         struct sync_fence *retire_fence;
2381         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2382         struct sync_pt *retire_sync_pt;
2383         char fence_name[20];
2384 #endif
2385         int ret = 0, i, j = 0;
2386         int list_is_empty = 0;
2387         struct rk_screen *screen = dev_drv->cur_screen;
2388
2389         mutex_lock(&dev_drv->output_lock);
2390
2391         for (i = 0; i < 4; i++) {
2392                 for (j = 0; j < 4; j++) {
2393                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2394                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2395                                 ret += rk_fb_check_config_var(
2396                                         &win_data->win_par[i].area_par[j],
2397                                         screen);
2398                 }
2399         }
2400         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2401                 dev_drv->timeline_max++;
2402                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2403                 if (dev_drv->suspend_flag)
2404                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2405                 else if (dev_drv->hdmi_switch)
2406                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2407                 else
2408                         pr_err("error config ,ignore\n");
2409                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2410                         win_data->rel_fence_fd[j] = -1;
2411                 win_data->ret_fence_fd = -1;
2412                 goto err;
2413         }
2414
2415         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2416         if (!regs) {
2417                 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2418                 ret = -ENOMEM;
2419                 goto err;
2420         }
2421
2422         for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2423                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2424                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2425                                                  &regs->reg_win_data[j])) {
2426                                 ret = -ENOMEM;
2427                                 pr_info("error:%s[%d]\n", __func__,__LINE__);
2428                                 goto err2;
2429                         }
2430                         if (regs->reg_win_data[j].area_num > 0) {
2431                                 regs->win_num++;
2432                                 regs->buf_num +=
2433                                     regs->reg_win_data[j].area_buf_num;
2434                         }
2435                         j++;
2436                 } else {
2437                         printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2438                         printk(KERN_INFO "i=%d,win_id=%d\n", i,
2439                                win_data->win_par[i].win_id);
2440                 }
2441         }
2442
2443         if (regs->win_num <= 0)
2444                 goto err_null_frame;
2445
2446         dev_drv->timeline_max++;
2447 #ifdef H_USE_FENCE
2448         win_data->ret_fence_fd = get_unused_fd();
2449         if (win_data->ret_fence_fd < 0) {
2450                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2451                 win_data->ret_fence_fd = -1;
2452                 ret = -EFAULT;
2453                 goto err2;
2454         }
2455         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2456                 if (i < regs->buf_num) {
2457                         sprintf(fence_name, "fence%d", i);
2458                         win_data->rel_fence_fd[i] = get_unused_fd();
2459                         if (win_data->rel_fence_fd[i] < 0) {
2460                                 printk(KERN_INFO "rel_fence_fd=%d\n",
2461                                        win_data->rel_fence_fd[i]);
2462                                 ret = -EFAULT;
2463                                 goto err2;
2464                         }
2465                         release_sync_pt[i] =
2466                             sw_sync_pt_create(dev_drv->timeline,
2467                                               dev_drv->timeline_max);
2468                         release_fence[i] =
2469                             sync_fence_create(fence_name, release_sync_pt[i]);
2470                         sync_fence_install(release_fence[i],
2471                                            win_data->rel_fence_fd[i]);
2472                 } else {
2473                         win_data->rel_fence_fd[i] = -1;
2474                 }
2475         }
2476
2477         retire_sync_pt =
2478             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2479         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2480         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2481 #else
2482         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2483                 win_data->rel_fence_fd[i] = -1;
2484
2485         win_data->ret_fence_fd = -1;
2486 #endif
2487         if (dev_drv->wait_fs == 0) {
2488                 mutex_lock(&dev_drv->update_regs_list_lock);
2489                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2490                 mutex_unlock(&dev_drv->update_regs_list_lock);
2491                 queue_kthread_work(&dev_drv->update_regs_worker,
2492                                    &dev_drv->update_regs_work);
2493         } else {
2494                 mutex_lock(&dev_drv->update_regs_list_lock);
2495                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2496                                         list_empty(&dev_drv->saved_list);
2497                 mutex_unlock(&dev_drv->update_regs_list_lock);
2498                 if (!list_is_empty) {
2499                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2500                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2501                                 msecs_to_jiffies(60));
2502                         if (ret > 0)
2503                                 rk_fb_update_reg(dev_drv, regs);
2504                         else
2505                                 printk("%s: wait update_regs_wait timeout\n", __func__);
2506                 } else if (ret == 0) {
2507                         rk_fb_update_reg(dev_drv, regs);
2508                 }
2509         }
2510         if (rk_fb_debug_lvl > 0)
2511                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2512         if (rk_fb_iommu_debug > 0)
2513                 rk_fb_config_backup(dev_drv, win_data, regs);
2514 err:
2515         mutex_unlock(&dev_drv->output_lock);
2516         return ret;
2517 err_null_frame:
2518         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2519                 win_data->rel_fence_fd[j] = -1;
2520         win_data->ret_fence_fd = -1;
2521         pr_info("win num = %d,null frame\n", regs->win_num);
2522 err2:
2523         kfree(regs);
2524         mutex_unlock(&dev_drv->output_lock);
2525
2526         return ret;
2527 }
2528
2529 #if 1
2530 static int cfgdone_distlist[10] = { 0 };
2531
2532 static int cfgdone_index;
2533 static int cfgdone_lasttime;
2534
2535 int rk_get_real_fps(int before)
2536 {
2537         struct timespec now;
2538         int dist_curr;
2539         int dist_total = 0;
2540         int dist_count = 0;
2541         int dist_first = 0;
2542
2543         int index = cfgdone_index;
2544         int i = 0, fps = 0;
2545         int total;
2546
2547         if (before > 100)
2548                 before = 100;
2549         if (before < 0)
2550                 before = 0;
2551
2552         getnstimeofday(&now);
2553         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2554                         cfgdone_lasttime;
2555         total = dist_curr;
2556         /*
2557            printk("fps: ");
2558          */
2559         for (i = 0; i < 10; i++) {
2560                 if (--index < 0)
2561                         index = 9;
2562                 total += cfgdone_distlist[index];
2563                 if (i == 0)
2564                         dist_first = cfgdone_distlist[index];
2565                 if (total < (before * 1000)) {
2566                         /*
2567                            printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2568                          */
2569                         dist_total += cfgdone_distlist[index];
2570                         dist_count++;
2571                 } else {
2572                         break;
2573                 }
2574         }
2575
2576         /*
2577            printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2578          */
2579         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2580         dist_total += dist_curr;
2581         dist_count++;
2582
2583         if (dist_total > 0)
2584                 fps = (1000000 * dist_count) / dist_total;
2585         else
2586                 fps = 60;
2587
2588         /*
2589            printk("curr2 %d, fps=%d\n", dist_curr, fps);
2590          */
2591         return fps;
2592 }
2593 EXPORT_SYMBOL(rk_get_real_fps);
2594
2595 #endif
2596 #ifdef CONFIG_ROCKCHIP_IOMMU
2597 #define ION_MAX 10
2598 static struct ion_handle *ion_hanle[ION_MAX];
2599 static struct ion_handle *ion_hwc[1];
2600 #endif
2601 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2602                        unsigned long arg)
2603 {
2604         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2605         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2606         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2607         struct fb_fix_screeninfo *fix = &info->fix;
2608         struct rk_lcdc_win *win;
2609         int enable;     /* enable fb:1 enable;0 disable */
2610         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2611         int num_buf;    /* buffer_number */
2612         int ret;
2613         struct rk_fb_win_cfg_data win_data;
2614         unsigned int dsp_addr[4][4];
2615         int list_stat;
2616
2617         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2618
2619         void __user *argp = (void __user *)arg;
2620         win = dev_drv->win[win_id];
2621
2622         switch (cmd) {
2623         case RK_FBIOSET_HWC_ADDR:
2624         {
2625                 u32 hwc_phy[1];
2626                 if (copy_from_user(hwc_phy, argp, 4))
2627                         return -EFAULT;
2628 #ifdef CONFIG_ROCKCHIP_IOMMU
2629                 if (!dev_drv->iommu_enabled) {
2630 #endif
2631                         fix->smem_start = hwc_phy[0];
2632 #ifdef CONFIG_ROCKCHIP_IOMMU
2633                 } else {
2634                         int usr_fd;
2635                         struct ion_handle *hdl;
2636                         ion_phys_addr_t phy_addr;
2637                         size_t len;
2638
2639                         usr_fd = hwc_phy[0];
2640                         if (!usr_fd) {
2641                                 fix->smem_start = 0;
2642                                 fix->mmio_start = 0;
2643                                 dev_drv->ops->open(dev_drv, win_id, 0);
2644                                 break;
2645                         }
2646
2647                         if (ion_hwc[0] != 0) {
2648                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2649                                 ion_hwc[0] = 0;
2650                         }
2651
2652                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2653                         if (IS_ERR(hdl)) {
2654                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2655                                         PTR_ERR(hdl));
2656                                 return -EFAULT;
2657                         }
2658
2659                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2660                                                 (unsigned long *)&phy_addr,
2661                                                 (unsigned long *)&len);
2662                         if (ret < 0) {
2663                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2664                                 ion_free(rk_fb->ion_client, hdl);
2665                                 return -ENOMEM;
2666                         }
2667                         fix->smem_start = phy_addr;
2668                         ion_hwc[0] = hdl;
2669                 }
2670 #endif
2671                 break;
2672         }
2673         case RK_FBIOSET_YUV_ADDR:
2674                 {
2675                         u32 yuv_phy[2];
2676
2677                         if (copy_from_user(yuv_phy, argp, 8))
2678                                 return -EFAULT;
2679                         #ifdef CONFIG_ROCKCHIP_IOMMU
2680                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2681                         #endif
2682                                 fix->smem_start = yuv_phy[0];
2683                                 fix->mmio_start = yuv_phy[1];
2684                         #ifdef CONFIG_ROCKCHIP_IOMMU
2685                         } else {
2686                                 int usr_fd, offset, tmp;
2687                                 struct ion_handle *hdl;
2688                                 ion_phys_addr_t phy_addr;
2689                                 size_t len;
2690
2691                                 usr_fd = yuv_phy[0];
2692                                 offset = yuv_phy[1] - yuv_phy[0];
2693                                 if (!usr_fd) {
2694                                         fix->smem_start = 0;
2695                                         fix->mmio_start = 0;
2696                                         break;
2697                                 }
2698
2699                                 if (ion_hanle[ION_MAX - 1] != 0) {
2700                                         /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2701                                         /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2702                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2703                                         ion_hanle[ION_MAX - 1] = 0;
2704                                 }
2705
2706                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2707                                 if (IS_ERR(hdl)) {
2708                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2709                                                 PTR_ERR(hdl));
2710                                         return -EFAULT;
2711                                 }
2712
2713                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2714                                                         (unsigned long *)&phy_addr,
2715                                                         (unsigned long *)&len);
2716                                 if (ret < 0) {
2717                                         dev_err(info->dev, "ion map to get phy addr failed");
2718                                         ion_free(rk_fb->ion_client, hdl);
2719                                         return -ENOMEM;
2720                                 }
2721                                 fix->smem_start = phy_addr;
2722                                 fix->mmio_start = phy_addr + offset;
2723                                 fix->smem_len = len;
2724                                 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2725
2726                                 ion_hanle[0] = hdl;
2727                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2728                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2729                                 ion_hanle[0] = 0;
2730                         }
2731                         #endif
2732                         break;
2733                 }
2734         case RK_FBIOSET_ENABLE:
2735                 if (copy_from_user(&enable, argp, sizeof(enable)))
2736                         return -EFAULT;
2737                                 if (enable && fb_par->state)
2738                                         fb_par->state++;
2739                                 else
2740                                         fb_par->state--;
2741                 dev_drv->ops->open(dev_drv, win_id, enable);
2742                 break;
2743         case RK_FBIOGET_ENABLE:
2744                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2745                 if (copy_to_user(argp, &enable, sizeof(enable)))
2746                         return -EFAULT;
2747                 break;
2748         case RK_FBIOSET_OVERLAY_STA:
2749                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2750                         return -EFAULT;
2751                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2752                 break;
2753         case RK_FBIOGET_OVERLAY_STA:
2754                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2755                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2756                         return -EFAULT;
2757                 break;
2758         case RK_FBIOPUT_NUM_BUFFERS:
2759                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2760                         return -EFAULT;
2761                 dev_drv->num_buf = num_buf;
2762                 break;
2763         case RK_FBIOSET_VSYNC_ENABLE:
2764                 if (copy_from_user(&enable, argp, sizeof(enable)))
2765                         return -EFAULT;
2766                 dev_drv->vsync_info.active = enable;
2767                 break;
2768
2769         case RK_FBIOGET_DSP_ADDR:
2770                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2771                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2772                         return -EFAULT;
2773                 break;
2774         case RK_FBIOGET_LIST_STA:
2775                 list_stat = rk_fb_get_list_stat(dev_drv);
2776                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2777                         return -EFAULT;
2778
2779                 break;
2780         case RK_FBIOGET_IOMMU_STA:
2781                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2782                                  sizeof(dev_drv->iommu_enabled)))
2783                         return -EFAULT;
2784                 break;
2785 #if defined(CONFIG_ION_ROCKCHIP)
2786         case RK_FBIOSET_DMABUF_FD:
2787                 {
2788                         int usr_fd;
2789                         struct ion_handle *hdl;
2790                         ion_phys_addr_t phy_addr;
2791                         size_t len;
2792                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2793                                 return -EFAULT;
2794                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2795                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2796                         fix->smem_start = phy_addr;
2797                         break;
2798                 }
2799         case RK_FBIOGET_DMABUF_FD:
2800                 {
2801                         int fd = -1;
2802
2803                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2804                                 dev_err(info->dev,
2805                                         "get dma_buf fd failed,ion handle is err\n");
2806                                 return PTR_ERR(fb_par->ion_hdl);
2807                         }
2808                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2809                                                   fb_par->ion_hdl);
2810                         if (fd < 0) {
2811                                 dev_err(info->dev,
2812                                         "ion_share_dma_buf_fd failed\n");
2813                                 return fd;
2814                         }
2815                         if (copy_to_user(argp, &fd, sizeof(fd)))
2816                                 return -EFAULT;
2817                         break;
2818                 }
2819 #endif
2820         case RK_FBIOSET_CLEAR_FB:
2821                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2822                 break;
2823         case RK_FBIOSET_CONFIG_DONE:
2824                 {
2825                         int curr = 0;
2826                         struct timespec now;
2827
2828                         getnstimeofday(&now);
2829                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2830                         cfgdone_distlist[cfgdone_index++] =
2831                             curr - cfgdone_lasttime;
2832                         /*
2833                            printk("%d ", curr - cfgdone_lasttime);
2834                          */
2835                         cfgdone_lasttime = curr;
2836                         if (cfgdone_index >= 10)
2837                                 cfgdone_index = 0;
2838                 }
2839                 if (copy_from_user(&win_data,
2840                                    (struct rk_fb_win_cfg_data __user *)argp,
2841                                    sizeof(win_data))) {
2842                         ret = -EFAULT;
2843                         break;
2844                 };
2845
2846                 dev_drv->wait_fs = win_data.wait_fs;
2847                 rk_fb_set_win_config(info, &win_data);
2848
2849                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2850                                  &win_data, sizeof(win_data))) {
2851                         ret = -EFAULT;
2852                         break;
2853                 }
2854                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2855
2856                 if (dev_drv->uboot_logo)
2857                         dev_drv->uboot_logo = 0;
2858
2859                 break;
2860         default:
2861                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2862                 break;
2863         }
2864
2865         return 0;
2866 }
2867
2868 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2869 {
2870         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2871         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2872         struct fb_fix_screeninfo *fix = &info->fix;
2873         int win_id;
2874 #if defined(CONFIG_RK_HDMI)
2875         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2876 #endif
2877
2878         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2879         if (win_id < 0)
2880                 return -ENODEV;
2881         mutex_lock(&dev_drv->switch_screen);
2882 #if defined(CONFIG_RK_HDMI)
2883         if ((rk_fb->disp_mode == ONE_DUAL) &&
2884             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2885                 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2886         } else
2887 #endif
2888         {
2889                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2890         }
2891         mutex_unlock(&dev_drv->switch_screen);
2892         return 0;
2893 }
2894
2895 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2896 {
2897         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2898             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2899             ((16 != var->bits_per_pixel) &&
2900             (32 != var->bits_per_pixel) &&
2901             (24 != var->bits_per_pixel))) {
2902                 dev_err(info->dev, "%s check var fail 1:\n"
2903                         "xres_vir:%d>>yres_vir:%d\n"
2904                         "xres:%d>>yres:%d\n"
2905                         "bits_per_pixel:%d\n",
2906                         info->fix.id,
2907                         var->xres_virtual,
2908                         var->yres_virtual,
2909                         var->xres, var->yres, var->bits_per_pixel);
2910                 return -EINVAL;
2911         }
2912
2913         if (((var->xoffset + var->xres) > var->xres_virtual) ||
2914             ((var->yoffset + var->yres) > (var->yres_virtual))) {
2915                 dev_err(info->dev, "%s check_var fail 2:\n"
2916                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2917                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2918                         info->fix.id,
2919                         var->xoffset,
2920                         var->xres,
2921                         var->xres_virtual,
2922                         var->yoffset, var->yres, var->yres_virtual);
2923                 return -EINVAL;
2924         }
2925
2926         return 0;
2927 }
2928
2929 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2930                           size_t count, loff_t *ppos)
2931 {
2932         unsigned long p = *ppos;
2933         u8 *buffer, *dst;
2934         u8 __iomem *src;
2935         int c, cnt = 0, err = 0;
2936         unsigned long total_size;
2937         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2938         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2939         struct rk_lcdc_win *win = NULL;
2940         int win_id = 0;
2941
2942         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2943         if (win_id < 0)
2944                 return -ENODEV;
2945         else
2946                 win = dev_drv->win[win_id];
2947
2948         /* only read the current frame buffer */
2949         if (win->area[0].format == RGB565) {
2950                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2951         } else if ((win->area[0].format == YUV420) ||
2952                    (win->area[0].format == YUV420_NV21)) {
2953                 total_size =
2954                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
2955         } else {
2956                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2957         }
2958         if (p >= total_size)
2959                 return 0;
2960
2961         if (count >= total_size)
2962                 count = total_size;
2963
2964         if (count + p > total_size)
2965                 count = total_size - p;
2966
2967         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2968         if (!buffer)
2969                 return -ENOMEM;
2970
2971         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2972
2973         while (count) {
2974                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2975                 dst = buffer;
2976                 fb_memcpy_fromfb(dst, src, c);
2977                 dst += c;
2978                 src += c;
2979
2980                 if (copy_to_user(buf, buffer, c)) {
2981                         err = -EFAULT;
2982                         break;
2983                 }
2984                 *ppos += c;
2985                 buf += c;
2986                 cnt += c;
2987                 count -= c;
2988         }
2989
2990         kfree(buffer);
2991
2992         return (err) ? err : cnt;
2993 }
2994
2995 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2996                            size_t count, loff_t *ppos)
2997 {
2998         unsigned long p = *ppos;
2999         u8 *buffer, *src;
3000         u8 __iomem *dst;
3001         int c, cnt = 0, err = 0;
3002         unsigned long total_size;
3003         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3004         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3005         struct rk_lcdc_win *win = NULL;
3006         int win_id = 0;
3007
3008         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3009         if (win_id < 0)
3010                 return -ENODEV;
3011         else
3012                 win = dev_drv->win[win_id];
3013
3014         /* write the current frame buffer */
3015         if (win->area[0].format == RGB565)
3016                 total_size = win->area[0].xact * win->area[0].yact << 1;
3017         else
3018                 total_size = win->area[0].xact * win->area[0].yact << 2;
3019
3020         if (p > total_size)
3021                 return -EFBIG;
3022
3023         if (count > total_size) {
3024                 err = -EFBIG;
3025                 count = total_size;
3026         }
3027
3028         if (count + p > total_size) {
3029                 if (!err)
3030                         err = -ENOSPC;
3031
3032                 count = total_size - p;
3033         }
3034
3035         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3036         if (!buffer)
3037                 return -ENOMEM;
3038
3039         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3040
3041         while (count) {
3042                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3043                 src = buffer;
3044
3045                 if (copy_from_user(src, buf, c)) {
3046                         err = -EFAULT;
3047                         break;
3048                 }
3049
3050                 fb_memcpy_tofb(dst, src, c);
3051                 dst += c;
3052                 src += c;
3053                 *ppos += c;
3054                 buf += c;
3055                 cnt += c;
3056                 count -= c;
3057         }
3058
3059         kfree(buffer);
3060
3061         return (cnt) ? cnt : err;
3062 }
3063
3064 static int rk_fb_set_par(struct fb_info *info)
3065 {
3066         struct fb_var_screeninfo *var = &info->var;
3067         struct fb_fix_screeninfo *fix = &info->fix;
3068         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3069         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3070         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3071         struct rk_lcdc_win *win = NULL;
3072         struct rk_screen *screen = dev_drv->cur_screen;
3073         int win_id = 0;
3074         u32 cblen = 0, crlen = 0;
3075         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3076         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3077         u32 yoffset = var->yoffset;
3078         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3079         u16 ypos = (var->nonstd >> 20) & 0xfff;
3080         u32 xvir = var->xres_virtual;
3081         u32 yvir = var->yres_virtual;
3082         u8 data_format = var->nonstd & 0xff;
3083         u8 fb_data_fmt;
3084         u8 pixel_width;
3085         u32 vir_width_bit;
3086         u32 stride, uv_stride;
3087         u32 stride_32bit_1;
3088         u32 stride_32bit_2;
3089         u16 uv_x_off, uv_y_off, uv_y_act;
3090         u8 is_pic_yuv = 0;
3091         /*var->pixclock = dev_drv->pixclock;*/
3092         if (dev_drv->suspend_flag)
3093                 return 0;
3094         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3095         if (win_id < 0)
3096                 return -ENODEV;
3097         else
3098                 win = dev_drv->win[win_id];
3099
3100         /* if the application has specific the horizontal and vertical display size */
3101         if (var->grayscale >> 8) {
3102                 xsize = (var->grayscale >> 8) & 0xfff;
3103                 ysize = (var->grayscale >> 20) & 0xfff;
3104                 if (xsize > screen->mode.xres)
3105                         xsize = screen->mode.xres;
3106                 if (ysize > screen->mode.yres)
3107                         ysize = screen->mode.yres;
3108         } else {                /*ohterwise  full  screen display */
3109                 xsize = screen->mode.xres;
3110                 ysize = screen->mode.yres;
3111         }
3112
3113         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3114         if (fb_data_fmt >= FBDC_RGB_565) {
3115                 win->area[0].fbdc_en = 1;
3116                 win->area[0].fbdc_cor_en = 1;
3117         } else {
3118                 win->area[0].fbdc_en = 0;
3119                 win->area[0].fbdc_cor_en = 0;
3120         }
3121         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3122         vir_width_bit = pixel_width * xvir;
3123         /* pixel_width = byte_num * 8 */
3124         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3125         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3126
3127         switch (fb_data_fmt) {
3128         case YUV422:
3129         case YUV422_A:
3130                 is_pic_yuv = 1;
3131                 stride = stride_32bit_1;
3132                 uv_stride = stride_32bit_1 >> 1;
3133                 uv_x_off = xoffset >> 1;
3134                 uv_y_off = yoffset;
3135                 fix->line_length = stride;
3136                 cblen = crlen = (xvir * yvir) >> 1;
3137                 uv_y_act = win->area[0].yact >> 1;
3138                 break;
3139         case YUV420:            /* nv12 */
3140         case YUV420_NV21:       /* nv21 */
3141         case YUV420_A:
3142                 is_pic_yuv = 1;
3143                 stride = stride_32bit_1;
3144                 uv_stride = stride_32bit_1;
3145                 uv_x_off = xoffset;
3146                 uv_y_off = yoffset >> 1;
3147                 fix->line_length = stride;
3148                 cblen = crlen = (xvir * yvir) >> 2;
3149                 uv_y_act = win->area[0].yact >> 1;
3150                 break;
3151         case YUV444:
3152         case YUV444_A:
3153                 is_pic_yuv = 1;
3154                 stride = stride_32bit_1;
3155                 uv_stride = stride_32bit_2;
3156                 uv_x_off = xoffset * 2;
3157                 uv_y_off = yoffset;
3158                 fix->line_length = stride << 2;
3159                 cblen = crlen = (xvir * yvir);
3160                 uv_y_act = win->area[0].yact;
3161                 break;
3162         default:
3163                 stride = stride_32bit_1;        /* default rgb */
3164                 fix->line_length = stride;
3165                 break;
3166         }
3167
3168         win->area[0].format = fb_data_fmt;
3169         win->area[0].y_vir_stride = stride >> 2;
3170         win->area[0].uv_vir_stride = uv_stride >> 2;
3171         win->area[0].xpos = xpos;
3172         win->area[0].ypos = ypos;
3173         win->area[0].xsize = xsize;
3174         win->area[0].ysize = ysize;
3175         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3176         win->area[0].yact = var->yres;
3177         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3178         win->area[0].yvir = var->yres_virtual;
3179         win->area[0].xoff = xoffset;
3180         win->area[0].yoff = yoffset;
3181
3182         win->area_num = 1;
3183         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3184         win->alpha_en = ((win->area[0].format == ARGB888) ||
3185                          (win->area[0].format == FBDC_ARGB_888) ||
3186                          (win->area[0].format == FBDC_ABGR_888) ||
3187                          (win->area[0].format == ABGR888)) ? 1 : 0;
3188         win->g_alpha_val = 0;
3189
3190         if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
3191             (win->area[0].format == YUV420 ||
3192              win->area[0].format == YUV420_NV21 ||
3193              win->area[0].format == YUV420_A)) {
3194                 win->state = 1;
3195                 win->z_order = 0;
3196         }
3197         dev_drv->ops->set_par(dev_drv, win_id);
3198
3199         return 0;
3200 }
3201
3202 static inline unsigned int chan_to_field(unsigned int chan,
3203                                          struct fb_bitfield *bf)
3204 {
3205         chan &= 0xffff;
3206         chan >>= 16 - bf->length;
3207         return chan << bf->offset;
3208 }
3209
3210 static int fb_setcolreg(unsigned regno,
3211                         unsigned red, unsigned green, unsigned blue,
3212                         unsigned transp, struct fb_info *info)
3213 {
3214         unsigned int val;
3215
3216         switch (info->fix.visual) {
3217         case FB_VISUAL_TRUECOLOR:
3218                 /* true-colour, use pseudo-palette */
3219                 if (regno < 16) {
3220                         u32 *pal = info->pseudo_palette;
3221                         val = chan_to_field(red, &info->var.red);
3222                         val |= chan_to_field(green, &info->var.green);
3223                         val |= chan_to_field(blue, &info->var.blue);
3224                         pal[regno] = val;
3225                 }
3226                 break;
3227         default:
3228                 return -1;      /* unknown type */
3229         }
3230
3231         return 0;
3232 }
3233
3234 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3235 {
3236         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3237         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3238         struct ion_handle *handle = fb_par->ion_hdl;
3239         struct dma_buf *dma_buf = NULL;
3240
3241         if (IS_ERR_OR_NULL(handle)) {
3242                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3243                         PTR_ERR(handle));
3244                 return -ENOMEM;
3245         }
3246         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3247         if (IS_ERR_OR_NULL(dma_buf)) {
3248                 printk("get ion share dma buf failed\n");
3249                 return -ENOMEM;
3250         }
3251
3252         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3253
3254         return dma_buf_mmap(dma_buf, vma, 0);
3255 }
3256
3257 static struct fb_ops fb_ops = {
3258         .owner = THIS_MODULE,
3259         .fb_open = rk_fb_open,
3260         .fb_release = rk_fb_close,
3261         .fb_check_var = rk_fb_check_var,
3262         .fb_set_par = rk_fb_set_par,
3263         .fb_blank = rk_fb_blank,
3264         .fb_ioctl = rk_fb_ioctl,
3265         .fb_compat_ioctl = rk_fb_ioctl,
3266         .fb_pan_display = rk_fb_pan_display,
3267         .fb_read = rk_fb_read,
3268         .fb_write = rk_fb_write,
3269         .fb_setcolreg = fb_setcolreg,
3270         .fb_fillrect = cfb_fillrect,
3271         .fb_copyarea = cfb_copyarea,
3272         .fb_imageblit = cfb_imageblit,
3273 };
3274
3275 static struct fb_var_screeninfo def_var = {
3276 #if defined(CONFIG_LOGO_LINUX_BMP)
3277         .red = {16, 8, 0},
3278         .green = {8, 8, 0},
3279         .blue = {0, 8, 0},
3280         .transp = {0, 0, 0},
3281         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3282 #else
3283         .red = {11, 5, 0},
3284         .green = {5, 6, 0},
3285         .blue = {0, 5, 0},
3286         .transp = {0, 0, 0},
3287         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3288 #endif
3289         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3290         .activate = FB_ACTIVATE_NOW,
3291         .accel_flags = 0,
3292         .vmode = FB_VMODE_NONINTERLACED,
3293 };
3294
3295 static struct fb_fix_screeninfo def_fix = {
3296         .type = FB_TYPE_PACKED_PIXELS,
3297         .type_aux = 0,
3298         .xpanstep = 1,
3299         .ypanstep = 1,
3300         .ywrapstep = 0,
3301         .accel = FB_ACCEL_NONE,
3302         .visual = FB_VISUAL_TRUECOLOR,
3303
3304 };
3305
3306 static int rk_fb_wait_for_vsync_thread(void *data)
3307 {
3308         struct rk_lcdc_driver *dev_drv = data;
3309         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3310         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3311
3312         while (!kthread_should_stop()) {
3313                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3314                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3315                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3316                                 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3317
3318                 if (!ret)
3319                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3320         }
3321
3322         return 0;
3323 }
3324
3325 static ssize_t rk_fb_vsync_show(struct device *dev,
3326                                 struct device_attribute *attr, char *buf)
3327 {
3328         struct fb_info *fbi = dev_get_drvdata(dev);
3329         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3330         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3331         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3332                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3333 }
3334
3335 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3336
3337 /*
3338  * this two function is for other module that in the kernel which
3339  * need show image directly through fb
3340  * fb_id:we have 4 fb here,default we use fb0 for ui display
3341  */
3342 struct fb_info *rk_get_fb(int fb_id)
3343 {
3344         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3345         struct fb_info *fb = inf->fb[fb_id];
3346         return fb;
3347 }
3348 EXPORT_SYMBOL(rk_get_fb);
3349
3350 void rk_direct_fb_show(struct fb_info *fbi)
3351 {
3352         rk_fb_set_par(fbi);
3353         rk_fb_pan_display(&fbi->var, fbi);
3354 }
3355 EXPORT_SYMBOL(rk_direct_fb_show);
3356
3357 int rk_fb_dpi_open(bool open)
3358 {
3359         struct rk_lcdc_driver *dev_drv = NULL;
3360         dev_drv = rk_get_prmry_lcdc_drv();
3361
3362         if (dev_drv->ops->dpi_open)
3363                 dev_drv->ops->dpi_open(dev_drv, open);
3364         return 0;
3365 }
3366
3367 int rk_fb_dpi_win_sel(int win_id)
3368 {
3369         struct rk_lcdc_driver *dev_drv = NULL;
3370         dev_drv = rk_get_prmry_lcdc_drv();
3371
3372         if (dev_drv->ops->dpi_win_sel)
3373                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3374         return 0;
3375 }
3376
3377 int rk_fb_dpi_status(void)
3378 {
3379         int ret = 0;
3380         struct rk_lcdc_driver *dev_drv = NULL;
3381
3382         dev_drv = rk_get_prmry_lcdc_drv();
3383         if (dev_drv->ops->dpi_status)
3384                 ret = dev_drv->ops->dpi_status(dev_drv);
3385
3386         return ret;
3387 }
3388
3389 /*
3390  * function: this function will be called by display device, enable/disable lcdc
3391  * @screen: screen timing to be set to lcdc
3392  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3393  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3394  */
3395 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3396 {
3397         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3398         struct fb_info *info = NULL;
3399         struct rk_fb_par *fb_par = NULL;
3400         struct rk_lcdc_driver *dev_drv = NULL;
3401         char name[6] = {0};
3402         int i, win_id;
3403         static bool load_screen = false;
3404         char *envp[3];
3405         int ret, list_is_empty = 0;
3406
3407         if (unlikely(!rk_fb) || unlikely(!screen))
3408                 return -ENODEV;
3409
3410         /* get lcdc driver */
3411         sprintf(name, "lcdc%d", lcdc_id);
3412         if (rk_fb->disp_mode != DUAL)
3413                 dev_drv = rk_fb->lcdc_dev_drv[0];
3414         else
3415                 dev_drv = rk_get_lcdc_drv(name);
3416
3417         if (dev_drv == NULL) {
3418                 printk(KERN_ERR "%s driver not found!", name);
3419                 return -ENODEV;
3420         }
3421         if (screen->type == SCREEN_HDMI)
3422                 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3423                         dev_drv->id);
3424         else if (screen->type == SCREEN_TVOUT ||
3425                      screen->type == SCREEN_TVOUT_TEST )
3426                 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3427                         dev_drv->id);
3428         if (enable == 2 /*&& dev_drv->enable*/)
3429                 return 0;
3430         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3431                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3432
3433         mutex_lock(&dev_drv->switch_screen);
3434         hdmi_switch_state = 0;
3435         dev_drv->hdmi_switch = 1;
3436         if (!dev_drv->uboot_logo) {
3437                 mdelay(200);
3438                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3439                                            list_empty(&dev_drv->saved_list);
3440                 if (!list_is_empty) {
3441                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3442                                                  list_empty(&dev_drv->update_regs_list) &&
3443                                                  list_empty(&dev_drv->saved_list),
3444                                                  msecs_to_jiffies(60));
3445                         if (ret <= 0)
3446                                 pr_info("%s: wait update_regs_wait timeout\n",
3447                                         __func__);
3448                 }
3449         }
3450
3451         envp[0] = "switch screen";
3452         envp[1] = kmalloc(32, GFP_KERNEL);
3453         if (envp[1] == NULL) {
3454                 pr_err("switch screen kmalloc envp[1] fail\n");
3455                 mutex_unlock(&dev_drv->switch_screen);
3456                 return 0;
3457         }
3458         sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3459         envp[2] = NULL;
3460
3461         if ((rk_fb->disp_mode == ONE_DUAL) ||
3462             (rk_fb->disp_mode == NO_DUAL)) {
3463                 if ((dev_drv->ops->backlight_close) &&
3464                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3465                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3466                         dev_drv->ops->backlight_close(dev_drv, 1);
3467                 if (!dev_drv->uboot_logo || load_screen ||
3468                                 ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3469                                  (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3470                         if (dev_drv->ops->dsp_black)
3471                                 dev_drv->ops->dsp_black(dev_drv, 0);
3472                 }
3473                 if ((dev_drv->ops->set_screen_scaler) &&
3474                     (rk_fb->disp_mode == ONE_DUAL))
3475                         dev_drv->ops->set_screen_scaler(dev_drv,
3476                                                         dev_drv->screen0, 0);
3477         }
3478         if (!enable) {
3479                 /* if screen type is different, we do not disable lcdc. */
3480                 if (dev_drv->cur_screen->type != screen->type) {
3481                         dev_drv->hdmi_switch = 0;
3482                         mutex_unlock(&dev_drv->switch_screen);
3483                         kfree(envp[1]);
3484                         return 0;
3485                 }
3486
3487                 /* if used one lcdc to dual disp, no need to close win */
3488                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3489                     ((rk_fb->disp_mode == NO_DUAL) &&
3490                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3491                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3492                         dev_drv->cur_screen = dev_drv->screen0;
3493                         dev_drv->ops->load_screen(dev_drv, 1);
3494                         /* force modify dsp size */
3495                         info = rk_fb->fb[dev_drv->fb_index_base];
3496                         info->var.grayscale &= 0xff;
3497                         info->var.grayscale |=
3498                                 (dev_drv->cur_screen->mode.xres << 8) +
3499                                 (dev_drv->cur_screen->mode.yres << 20);
3500                         mutex_lock(&dev_drv->win_config);
3501                         info->var.xoffset = 0;
3502                         info->var.yoffset = 0;
3503                         info->fbops->fb_set_par(info);
3504                         info->fbops->fb_pan_display(&info->var, info);
3505                         mutex_unlock(&dev_drv->win_config);
3506
3507                         /*
3508                          * if currently is loader display, black until new
3509                          * display job.
3510                          */
3511                         if (dev_drv->uboot_logo) {
3512                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3513                                         if (dev_drv->win[i] && dev_drv->win[i]->state)
3514                                                 dev_drv->ops->open(dev_drv, i, 0);
3515                                 }
3516                         }
3517
3518                         /*if (dev_drv->ops->dsp_black)
3519                                 dev_drv->ops->dsp_black(dev_drv, 0);*/
3520                         if ((dev_drv->ops->backlight_close) &&
3521                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3522                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3523                                 dev_drv->ops->backlight_close(dev_drv, 0);
3524                 } else if (rk_fb->num_lcdc > 1) {
3525                         /* If there is more than one lcdc device, we disable
3526                            the layer which attached to this device */
3527                         dev_drv->suspend_flag = 1;
3528                         flush_kthread_worker(&dev_drv->update_regs_worker);
3529                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3530                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3531                                         dev_drv->ops->open(dev_drv, i, 0);
3532                         }
3533                 }
3534                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3535                 kfree(envp[1]);
3536
3537                 hdmi_switch_state = 0;
3538                 dev_drv->hdmi_switch = 0;
3539                 mutex_unlock(&dev_drv->switch_screen);
3540                 return 0;
3541         } else {
3542                 if (dev_drv->screen1)
3543                         dev_drv->cur_screen = dev_drv->screen1;
3544
3545                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3546                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3547                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3548                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3549                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3550         }
3551         if (!dev_drv->uboot_logo || load_screen ||
3552             ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3553              (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3554                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3555                         info = rk_fb->fb[dev_drv->fb_index_base + i];
3556                         fb_par = (struct rk_fb_par *)info->par;
3557                         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3558                         if (dev_drv->win[win_id]) {
3559                                 if (fb_par->state) {
3560                                         dev_drv->ops->load_screen(dev_drv, 1);
3561
3562                                         info->var.activate |= FB_ACTIVATE_FORCE;
3563                                         if (rk_fb->disp_mode == ONE_DUAL) {
3564                                                 info->var.grayscale &= 0xff;
3565                                                 info->var.grayscale |=
3566                                                         (dev_drv->cur_screen->xsize << 8) +
3567                                                         (dev_drv->cur_screen->ysize << 20);
3568                                         }
3569                                         if (dev_drv->uboot_logo) {
3570                                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3571                                                         if (dev_drv->win[i] && dev_drv->win[i]->state)
3572                                                                 dev_drv->ops->open(dev_drv, i, 0);
3573                                                 }
3574                                         } else if (!dev_drv->win[win_id]->state) {
3575                                                 dev_drv->ops->open(dev_drv, win_id, 1);
3576                                                 dev_drv->suspend_flag = 0;
3577                                                 mutex_lock(&dev_drv->win_config);
3578                                                 info->var.xoffset = 0;
3579                                                 info->var.yoffset = 0;
3580                                                 info->fbops->fb_set_par(info);
3581                                                 info->fbops->fb_pan_display(&info->var, info);
3582                                                 mutex_unlock(&dev_drv->win_config);
3583                                         }
3584                                 }
3585                         }
3586                 }
3587         } else {
3588                 dev_drv->ops->load_screen(dev_drv, 0);
3589         }
3590         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3591         kfree(envp[1]);
3592
3593         hdmi_switch_state = 1;
3594         load_screen = true;
3595         dev_drv->hdmi_switch = 0;
3596         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3597                 if ((dev_drv->ops->set_screen_scaler) &&
3598                     (rk_fb->disp_mode == ONE_DUAL))
3599                         dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3600                 /*if (dev_drv->ops->dsp_black)
3601                         dev_drv->ops->dsp_black(dev_drv, 0);*/
3602                 if ((dev_drv->ops->backlight_close) &&
3603                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3604                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
3605                     (rk_fb->disp_mode == ONE_DUAL))
3606                         dev_drv->ops->backlight_close(dev_drv, 0);
3607         }
3608         mutex_unlock(&dev_drv->switch_screen);
3609         return 0;
3610 }
3611
3612 /*
3613  * function:this function current only called by hdmi for
3614  *      scale the display
3615  * scale_x: scale rate of x resolution
3616  * scale_y: scale rate of y resolution
3617  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3618  */
3619 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3620 {
3621         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3622         struct fb_info *info = NULL;
3623         struct fb_info *pmy_info = NULL;
3624         struct fb_var_screeninfo *var = NULL;
3625         struct rk_lcdc_driver *dev_drv = NULL;
3626         u16 screen_x, screen_y;
3627         u16 xpos, ypos;
3628         char name[6];
3629         struct rk_screen primary_screen;
3630         rk_fb_get_prmry_screen(&primary_screen);
3631         if (primary_screen.type == SCREEN_HDMI) {
3632                 return 0;
3633         }
3634         pr_err("fuck not be hear--%s\n",__func__);
3635
3636         return 0;
3637         sprintf(name, "lcdc%d", lcdc_id);
3638
3639         if (inf->disp_mode == DUAL) {
3640                 dev_drv = rk_get_lcdc_drv(name);
3641                 if (dev_drv == NULL) {
3642                         printk(KERN_ERR "%s driver not found!", name);
3643                         return -ENODEV;
3644                 }
3645         } else {
3646                 dev_drv = inf->lcdc_dev_drv[0];
3647         }
3648
3649         if (inf->num_lcdc == 1) {
3650                 info = inf->fb[0];
3651         } else if (inf->num_lcdc == 2) {
3652                 info = inf->fb[dev_drv->lcdc_win_num];
3653                 pmy_info = inf->fb[0];
3654         }
3655
3656         var = &info->var;
3657         screen_x = dev_drv->cur_screen->mode.xres;
3658         screen_y = dev_drv->cur_screen->mode.yres;
3659
3660         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3661                 dev_drv->cur_screen->xpos =
3662                     (screen_x - screen_x * scale_x / 100) >> 1;
3663                 dev_drv->cur_screen->ypos =
3664                     (screen_y - screen_y * scale_y / 100) >> 1;
3665                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3666                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3667         } else {
3668                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3669                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3670                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3671                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3672                 if (inf->disp_mode == ONE_DUAL) {
3673                         var->nonstd &= 0xff;
3674                         var->nonstd |= (xpos << 8) + (ypos << 20);
3675                         var->grayscale &= 0xff;
3676                         var->grayscale |=
3677                                 (dev_drv->cur_screen->xsize << 8) +
3678                                 (dev_drv->cur_screen->ysize << 20);
3679                 }
3680         }
3681
3682         mutex_lock(&dev_drv->win_config);
3683         info->fbops->fb_set_par(info);
3684         dev_drv->ops->cfg_done(dev_drv);
3685         mutex_unlock(&dev_drv->win_config);
3686
3687         return 0;
3688 }
3689
3690 #if defined(CONFIG_ION_ROCKCHIP)
3691 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3692                                      struct rk_lcdc_win *win,
3693                                      unsigned long fb_mem_size)
3694 {
3695         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3696         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3697         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3698         struct ion_handle *handle;
3699         ion_phys_addr_t phy_addr;
3700         size_t len;
3701         int ret = 0;
3702
3703         if (dev_drv->iommu_enabled)
3704                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3705                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3706         else
3707                 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3708                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
3709         if (IS_ERR(handle)) {
3710                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3711                         PTR_ERR(handle));
3712                 return -ENOMEM;
3713         }
3714
3715         fb_par->ion_hdl = handle;
3716         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3717         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3718                 printk("ion_share_dma_buf() failed\n");
3719                 goto err_share_dma_buf;
3720         }
3721         win->area[0].ion_hdl = handle;
3722         if (dev_drv->prop == PRMRY)
3723                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3724 #ifdef CONFIG_ROCKCHIP_IOMMU
3725         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3726                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3727                                         (unsigned long *)&phy_addr,
3728                                         (unsigned long *)&len);
3729         else
3730                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3731 #else
3732         ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3733 #endif
3734         if (ret < 0) {
3735                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3736                 goto err_share_dma_buf;
3737         }
3738         fbi->fix.smem_start = phy_addr;
3739         fbi->fix.smem_len = len;
3740         printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3741         return 0;
3742
3743 err_share_dma_buf:
3744         ion_free(rk_fb->ion_client, handle);
3745         return -ENOMEM;
3746 }
3747 #endif
3748
3749 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3750 {
3751         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3752         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3753         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3754         struct rk_lcdc_win *win = NULL;
3755         int win_id;
3756         int ret = 0;
3757         unsigned long fb_mem_size;
3758 #if !defined(CONFIG_ION_ROCKCHIP)
3759         dma_addr_t fb_mem_phys;
3760         void *fb_mem_virt;
3761 #endif
3762
3763         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3764         if (win_id < 0)
3765                 return -ENODEV;
3766         else
3767                 win = dev_drv->win[win_id];
3768
3769         if (!strcmp(fbi->fix.id, "fb0")) {
3770                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3771 #if defined(CONFIG_ION_ROCKCHIP)
3772                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3773                         return -ENOMEM;
3774 #else
3775                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3776                                                      &fb_mem_phys, GFP_KERNEL);
3777                 if (!fb_mem_virt) {
3778                         pr_err("%s: Failed to allocate framebuffer\n",
3779                                __func__);
3780                         return -ENOMEM;
3781                 }
3782                 fbi->fix.smem_len = fb_mem_size;
3783                 fbi->fix.smem_start = fb_mem_phys;
3784                 fbi->screen_base = fb_mem_virt;
3785 #endif
3786                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3787         } else {
3788                 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3789                 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3790                 fbi->screen_base = rk_fb->fb[0]->screen_base;
3791         }
3792
3793         fbi->screen_size = fbi->fix.smem_len;
3794         fb_par->fb_phy_base = fbi->fix.smem_start;
3795         fb_par->fb_virt_base = fbi->screen_base;
3796         fb_par->fb_size = fbi->fix.smem_len;
3797
3798         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3799                        fbi->fix.smem_start, fbi->screen_base,
3800                        fbi->fix.smem_len);
3801         return ret;
3802 }
3803
3804 #if 0
3805 static int rk_release_fb_buffer(struct fb_info *fbi)
3806 {
3807         /* buffer for fb1 and fb3 are alloc by android */
3808         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3809                 return 0;
3810         iounmap(fbi->screen_base);
3811         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3812         return 0;
3813 }
3814 #endif
3815
3816 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3817                          struct rk_lcdc_win *def_win)
3818 {
3819         int i;
3820         int lcdc_win_num = dev_drv->lcdc_win_num;
3821
3822         for (i = 0; i < lcdc_win_num; i++) {
3823                 struct rk_lcdc_win *win = NULL;
3824                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3825                 if (!win) {
3826                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
3827                         return -ENOMEM;
3828                 }
3829
3830                 strcpy(win->name, def_win[i].name);
3831                 win->id = def_win[i].id;
3832                 win->support_3d = def_win[i].support_3d;
3833                 dev_drv->win[i] = win;
3834         }
3835
3836         return 0;
3837 }
3838
3839 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3840                                    struct rk_lcdc_win *def_win, int index)
3841 {
3842         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3843         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3844                                                 sizeof(struct rk_screen),
3845                                                 GFP_KERNEL);
3846         int i = 0;
3847
3848         if (!screen) {
3849                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3850                         dev_drv->id);
3851                 return -ENOMEM;
3852         }
3853
3854         screen->screen_id = 0;
3855         screen->lcdc_id = dev_drv->id;
3856         screen->overscan.left = 100;
3857         screen->overscan.top = 100;
3858         screen->overscan.right = 100;
3859         screen->overscan.bottom = 100;
3860
3861         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3862         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3863
3864         dev_drv->screen0 = screen;
3865         dev_drv->cur_screen = screen;
3866         /* devie use one lcdc + rk61x scaler for dual display */
3867         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3868                 struct rk_screen *screen1 =
3869                                 devm_kzalloc(dev_drv->dev,
3870                                              sizeof(struct rk_screen),
3871                                              GFP_KERNEL);
3872                 if (!screen1) {
3873                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3874                                 dev_drv->id);
3875                         return -ENOMEM;
3876                 }
3877                 screen1->screen_id = 1;
3878                 screen1->lcdc_id = 1;
3879                 dev_drv->screen1 = screen1;
3880         }
3881         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3882         init_lcdc_win(dev_drv, def_win);
3883         init_completion(&dev_drv->frame_done);
3884         spin_lock_init(&dev_drv->cpl_lock);
3885         mutex_init(&dev_drv->fb_win_id_mutex);
3886         mutex_init(&dev_drv->win_config);
3887         mutex_init(&dev_drv->front_lock);
3888         mutex_init(&dev_drv->switch_screen);
3889         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3890         dev_drv->first_frame = 1;
3891         dev_drv->overscan.left = 100;
3892         dev_drv->overscan.top = 100;
3893         dev_drv->overscan.right = 100;
3894         dev_drv->overscan.bottom = 100;
3895         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3896                 dev_drv->area_support[i] = 1;
3897         if (dev_drv->ops->area_support_num)
3898                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3899         rk_disp_pwr_ctr_parse_dt(dev_drv);
3900         if (dev_drv->prop == PRMRY) {
3901                 rk_fb_set_prmry_screen(screen);
3902                 rk_fb_get_prmry_screen(screen);
3903         }
3904         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3905         if (dev_drv->prop != PRMRY)
3906                 rk_fb_get_prmry_screen(screen);
3907         dev_drv->output_color = screen->color_mode;
3908
3909         return 0;
3910 }
3911
3912 #ifdef CONFIG_LOGO_LINUX_BMP
3913 static struct linux_logo *bmp_logo;
3914 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3915 {
3916         bmp_logo = fb_find_logo(24);
3917         if (bmp_logo == NULL) {
3918                 printk(KERN_INFO "%s error\n", __func__);
3919                 return 0;
3920         }
3921         return 1;
3922 }
3923
3924 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3925 {
3926         unsigned char *src = bmp_logo->data;
3927         unsigned char *dst = info->screen_base;
3928         int i;
3929         unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3930         unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3931
3932         for (i = 0; i < Needheight; i++)
3933                 memcpy(dst + info->var.xres * i * 4,
3934                        src + bmp_logo->width * i * 4, Needwidth * 4);
3935 }
3936 #endif
3937
3938 /*
3939  * check if the primary lcdc has registerd,
3940  * the primary lcdc mas register first
3941  */
3942 bool is_prmry_rk_lcdc_registered(void)
3943 {
3944         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3945
3946         if (rk_fb->lcdc_dev_drv[0])
3947                 return true;
3948         else
3949                 return false;
3950 }
3951
3952 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3953                    struct rk_lcdc_win *win, int id)
3954 {
3955         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3956         struct fb_info *fbi;
3957         struct rk_fb_par *fb_par = NULL;
3958         int i = 0, ret = 0, index = 0;
3959         unsigned long flags;
3960
3961         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3962                 return -ENXIO;
3963
3964         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3965                 if (!rk_fb->lcdc_dev_drv[i]) {
3966                         rk_fb->lcdc_dev_drv[i] = dev_drv;
3967                         rk_fb->lcdc_dev_drv[i]->id = id;
3968                         rk_fb->num_lcdc++;
3969                         break;
3970                 }
3971         }
3972
3973         index = i;
3974         init_lcdc_device_driver(rk_fb, win, index);
3975         dev_drv->fb_index_base = rk_fb->num_fb;
3976         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3977                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3978                 if (!fbi) {
3979                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3980                         ret = -ENOMEM;
3981                 }
3982                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3983                                       GFP_KERNEL);
3984                 if (!fb_par) {
3985                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3986                                 rk_fb->num_fb);
3987                         return -ENOMEM;
3988                 }
3989                 fb_par->id = rk_fb->num_fb;
3990                 fb_par->lcdc_drv = dev_drv;
3991                 fbi->par = (void *)fb_par;
3992                 fbi->var = def_var;
3993                 fbi->fix = def_fix;
3994                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3995                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3996                 fbi->var.grayscale |=
3997                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
3998 #if defined(CONFIG_LOGO_LINUX_BMP)
3999                 fbi->var.bits_per_pixel = 32;
4000 #else
4001                 fbi->var.bits_per_pixel = 16;
4002 #endif
4003                 fbi->fix.line_length =
4004                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4005                 fbi->var.width = dev_drv->cur_screen->width;
4006                 fbi->var.height = dev_drv->cur_screen->height;
4007                 if (dev_drv->iommu_enabled)
4008                         fb_ops.fb_mmap = rk_fb_mmap;
4009                 fbi->fbops = &fb_ops;
4010                 fbi->flags = FBINFO_FLAG_DEFAULT;
4011                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4012                 ret = register_framebuffer(fbi);
4013                 if (ret < 0) {
4014                         dev_err(&fb_pdev->dev,
4015                                 "%s fb%d register_framebuffer fail!\n",
4016                                 __func__, rk_fb->num_fb);
4017                         return ret;
4018                 }
4019                 rkfb_create_sysfs(fbi);
4020                 rk_fb->fb[rk_fb->num_fb] = fbi;
4021                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4022                          fbi->fix.id);
4023                 rk_fb->num_fb++;
4024
4025                 if (i == 0) {
4026                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4027                         init_waitqueue_head(&dev_drv->update_regs_wait);
4028                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4029                         if (ret)
4030                                 dev_err(fbi->dev,
4031                                         "failed to create vsync file\n");
4032                         dev_drv->vsync_info.thread =
4033                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4034                                         "fb-vsync");
4035                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4036                                 dev_err(fbi->dev,
4037                                         "failed to run vsync thread\n");
4038                                 dev_drv->vsync_info.thread = NULL;
4039                         }
4040                         dev_drv->vsync_info.active = 1;
4041
4042                         mutex_init(&dev_drv->output_lock);
4043
4044                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4045                         mutex_init(&dev_drv->update_regs_list_lock);
4046                         init_kthread_worker(&dev_drv->update_regs_worker);
4047
4048                         dev_drv->update_regs_thread =
4049                             kthread_run(kthread_worker_fn,
4050                                         &dev_drv->update_regs_worker, "rk-fb");
4051                         if (IS_ERR(dev_drv->update_regs_thread)) {
4052                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4053                                 dev_drv->update_regs_thread = NULL;
4054
4055                                 printk("failed to run update_regs thread\n");
4056                                 return err;
4057                         }
4058                         init_kthread_work(&dev_drv->update_regs_work,
4059                                           rk_fb_update_regs_handler);
4060
4061                         dev_drv->timeline =
4062                             sw_sync_timeline_create("fb-timeline");
4063                         dev_drv->timeline_max = 1;
4064                 }
4065         }
4066
4067         /* show logo for primary display device */
4068 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4069         if (dev_drv->prop == PRMRY) {
4070                 u16 xact, yact;
4071                 int format;
4072                 u32 dsp_addr;
4073                 struct fb_info *main_fbi = rk_fb->fb[0];
4074                 main_fbi->fbops->fb_open(main_fbi, 1);
4075                 main_fbi->var.pixclock = dev_drv->pixclock;
4076 #if defined(CONFIG_ROCKCHIP_IOMMU)
4077                 if (dev_drv->iommu_enabled) {
4078                         if (dev_drv->mmu_dev)
4079                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4080                                                 rk_fb_sysmmu_fault_handler);
4081                 }
4082 #endif
4083
4084                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4085                 dev_drv->uboot_logo = support_uboot_display();
4086
4087                 if (dev_drv->uboot_logo &&
4088                     uboot_logo_offset && uboot_logo_base) {
4089                         int width, height, bits;
4090                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4091                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4092                         unsigned int nr_pages;
4093                         struct page **pages;
4094                         char *vaddr;
4095                         int i = 0;
4096
4097                         if (dev_drv->ops->get_dspbuf_info)
4098                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4099                                         &yact, &format, &dsp_addr);
4100                         nr_pages = size >> PAGE_SHIFT;
4101                         pages = kzalloc(sizeof(struct page) * nr_pages,
4102                                         GFP_KERNEL);
4103                         while (i < nr_pages) {
4104                                 pages[i] = phys_to_page(start);
4105                                 start += PAGE_SIZE;
4106                                 i++;
4107                         }
4108                         vaddr = vmap(pages, nr_pages, VM_MAP,
4109                                         pgprot_writecombine(PAGE_KERNEL));
4110                         if (!vaddr) {
4111                                 pr_err("failed to vmap phy addr 0x%lx\n",
4112                                        (long)(uboot_logo_base +
4113                                        uboot_logo_offset));
4114                                 return -1;
4115                         }
4116
4117                         if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
4118                                       &height, &bits)) {
4119                                 kfree(pages);
4120                                 vunmap(vaddr);
4121                                 return 0;
4122                         }
4123                         kfree(pages);
4124                         vunmap(vaddr);
4125                         if (dev_drv->uboot_logo &&
4126                             (width != xact || height != yact)) {
4127                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4128                                         xact, yact, width, height);
4129                                 return 0;
4130                         }
4131                         local_irq_save(flags);
4132                         if (dev_drv->ops->wait_frame_start)
4133                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4134                         if (dev_drv->ops->post_dspbuf) {
4135                                 dev_drv->ops->post_dspbuf(dev_drv,
4136                                         main_fbi->fix.smem_start,
4137                                         rk_fb_data_fmt(0, bits),
4138                                         width, height, width * bits >> 5);
4139                         }
4140                         if (dev_drv->iommu_enabled) {
4141                                 rk_fb_poll_wait_frame_complete();
4142                                 if (dev_drv->ops->mmu_en)
4143                                         dev_drv->ops->mmu_en(dev_drv);
4144                                 freed_index = 0;
4145                         }
4146                         local_irq_restore(flags);
4147                         return 0;
4148                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4149                         u32 start = uboot_logo_base;
4150                         u32 start_base = start;
4151                         int logo_len, i=0;
4152                         unsigned int nr_pages;
4153                         struct page **pages;
4154                         char *vaddr;
4155
4156                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4157                                                       &yact, &format,
4158                                                       &start);
4159                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4160                         if (logo_len > uboot_logo_size ||
4161                             logo_len > main_fbi->fix.smem_len) {
4162                                 pr_err("logo size > uboot reserve buffer size\n");
4163                                 return -1;
4164                         }
4165
4166                         nr_pages = uboot_logo_size >> PAGE_SHIFT;
4167                         pages = kzalloc(sizeof(struct page) * nr_pages,
4168                                         GFP_KERNEL);
4169                         while (i < nr_pages) {
4170                                 pages[i] = phys_to_page(start);
4171                                 start += PAGE_SIZE;
4172                                 i++;
4173                         }
4174                         vaddr = vmap(pages, nr_pages, VM_MAP,
4175                                         pgprot_writecombine(PAGE_KERNEL));
4176                         if (!vaddr) {
4177                                 pr_err("failed to vmap phy addr 0x%x\n",
4178                                        start_base);
4179                                 return -1;
4180                         }
4181
4182                         memcpy(main_fbi->screen_base, vaddr, logo_len);
4183
4184                         kfree(pages);
4185                         vunmap(vaddr);
4186                         local_irq_save(flags);
4187                         if (dev_drv->ops->wait_frame_start)
4188                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4189                         dev_drv->ops->post_dspbuf(dev_drv,
4190                                         main_fbi->fix.smem_start,
4191                                         format, xact, yact,
4192                                         xact * rk_fb_pixel_width(format) >> 5);
4193                         if (dev_drv->iommu_enabled) {
4194                                 rk_fb_poll_wait_frame_complete();
4195                                 if (dev_drv->ops->mmu_en)
4196                                         dev_drv->ops->mmu_en(dev_drv);
4197                                 freed_index = 0;
4198                         }
4199                         local_irq_restore(flags);
4200                         return 0;
4201                 } else {
4202                         if (dev_drv->iommu_enabled) {
4203                                 if (dev_drv->ops->mmu_en)
4204                                         dev_drv->ops->mmu_en(dev_drv);
4205                                 freed_index = 0;
4206                         }
4207                 }
4208 #if defined(CONFIG_LOGO)
4209                 main_fbi->fbops->fb_set_par(main_fbi);
4210 #if  defined(CONFIG_LOGO_LINUX_BMP)
4211                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4212                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4213                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4214                 }
4215 #else
4216                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4217                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4218                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4219                 }
4220 #endif
4221                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4222 #endif
4223         } else {
4224                 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4225                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4226                 rk_fb_alloc_buffer(extend_fbi);
4227         }
4228 #endif
4229         return 0;
4230 }
4231
4232 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4233 {
4234         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4235         struct fb_info *fbi;
4236         int fb_index_base = dev_drv->fb_index_base;
4237         int fb_num = dev_drv->lcdc_win_num;
4238         int i = 0;
4239
4240         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4241                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4242                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4243         }
4244
4245         for (i = 0; i < fb_num; i++)
4246                 kfree(dev_drv->win[i]);
4247
4248         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4249                 fbi = fb_inf->fb[i];
4250                 unregister_framebuffer(fbi);
4251                 /* rk_release_fb_buffer(fbi); */
4252                 framebuffer_release(fbi);
4253         }
4254         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4255         fb_inf->num_lcdc--;
4256
4257         return 0;
4258 }
4259
4260 static int rk_fb_probe(struct platform_device *pdev)
4261 {
4262         struct rk_fb *rk_fb = NULL;
4263         struct device_node *np = pdev->dev.of_node;
4264         u32 mode;
4265
4266         if (!np) {
4267                 dev_err(&pdev->dev, "Missing device tree node.\n");
4268                 return -EINVAL;
4269         }
4270
4271         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4272         if (!rk_fb) {
4273                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4274                 return -ENOMEM;
4275         }
4276         platform_set_drvdata(pdev, rk_fb);
4277
4278         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4279                 rk_fb->disp_mode = mode;
4280
4281         } else {
4282                 dev_err(&pdev->dev, "no disp-mode node found!");
4283                 return -ENODEV;
4284         }
4285         
4286         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4287                 rk_fb->disp_policy = mode;
4288                 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4289         }
4290
4291         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4292                 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4293
4294         dev_set_name(&pdev->dev, "rockchip-fb");
4295 #if defined(CONFIG_ION_ROCKCHIP)
4296         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4297         if (IS_ERR(rk_fb->ion_client)) {
4298                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4299                 return PTR_ERR(rk_fb->ion_client);
4300         } else {
4301                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4302         }
4303 #endif
4304
4305         fb_pdev = pdev;
4306         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4307         return 0;
4308 }
4309
4310 static int rk_fb_remove(struct platform_device *pdev)
4311 {
4312         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4313
4314         kfree(rk_fb);
4315         platform_set_drvdata(pdev, NULL);
4316         return 0;
4317 }
4318
4319 static void rk_fb_shutdown(struct platform_device *pdev)
4320 {
4321         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4322         int i;
4323
4324         for (i = 0; i < rk_fb->num_lcdc; i++) {
4325                 if (!rk_fb->lcdc_dev_drv[i])
4326                         continue;
4327                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4328         }
4329 }
4330
4331 static const struct of_device_id rkfb_dt_ids[] = {
4332         {.compatible = "rockchip,rk-fb",},
4333         {}
4334 };
4335
4336 static struct platform_driver rk_fb_driver = {
4337         .probe = rk_fb_probe,
4338         .remove = rk_fb_remove,
4339         .driver = {
4340                    .name = "rk-fb",
4341                    .owner = THIS_MODULE,
4342                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4343                    },
4344         .shutdown = rk_fb_shutdown,
4345 };
4346
4347 static int __init rk_fb_init(void)
4348 {
4349         return platform_driver_register(&rk_fb_driver);
4350 }
4351
4352 static void __exit rk_fb_exit(void)
4353 {
4354         platform_driver_unregister(&rk_fb_driver);
4355 }
4356
4357 fs_initcall(rk_fb_init);
4358 module_exit(rk_fb_exit);