video: rockchip: mipi: Solve the problem of compiler error when open the debug
[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 #include <linux/of_address.h>
35 #include <linux/memblock.h>
36
37 #include "bmp_helper.h"
38
39 #if defined(CONFIG_RK_HDMI)
40 #include "hdmi/rockchip-hdmi.h"
41 #endif
42
43 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
44 #include "rga/rga.h"
45 #endif
46
47 #ifdef CONFIG_OF
48 #include <linux/of.h>
49 #include <linux/of_platform.h>
50 #include <linux/of_gpio.h>
51 #include <video/of_display_timing.h>
52 #include <video/display_timing.h>
53 #endif
54
55 #if defined(CONFIG_ION_ROCKCHIP)
56 #include <linux/rockchip_ion.h>
57 #include <linux/rockchip-iovmm.h>
58 #include <linux/dma-buf.h>
59 #include <linux/highmem.h>
60 #endif
61
62 #define H_USE_FENCE 1
63 /* #define FB_ROATE_BY_KERNEL 1 */
64
65 static int hdmi_switch_state;
66 static struct platform_device *fb_pdev;
67
68 #if defined(CONFIG_FB_MIRRORING)
69 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
70 EXPORT_SYMBOL(video_data_to_mirroring);
71 #endif
72
73 extern phys_addr_t uboot_logo_base;
74 extern phys_addr_t uboot_logo_size;
75 extern phys_addr_t uboot_logo_offset;
76 static struct rk_fb_trsm_ops *trsm_lvds_ops;
77 static struct rk_fb_trsm_ops *trsm_edp_ops;
78 static struct rk_fb_trsm_ops *trsm_mipi_ops;
79 static int uboot_logo_on;
80
81 static int rk_fb_debug_lvl;
82 static int rk_fb_iommu_debug;
83 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
84 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
85
86 #define rk_fb_dbg(level, x...) do {             \
87         if (unlikely(rk_fb_debug_lvl >= level)) \
88                 pr_info(x);                     \
89         } while (0)
90 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
91                               struct rk_fb_win_cfg_data *win_data,
92                               struct rk_fb_reg_data *regs, u32 cmd);
93 static int car_reversing;
94
95 static int is_car_camcap(void) {
96         return car_reversing && strcmp("camcap", current->comm);
97 }
98
99 int support_uboot_display(void)
100 {
101         return uboot_logo_on;
102 }
103
104 int rk_fb_get_display_policy(void)
105 {
106         struct rk_fb *rk_fb;
107
108         if (fb_pdev) {
109                 rk_fb = platform_get_drvdata(fb_pdev);
110                 return rk_fb->disp_policy;
111         } else {
112                 return DISPLAY_POLICY_SDK;
113         }
114 }
115
116 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
117 {
118         switch (type) {
119         case SCREEN_RGB:
120         case SCREEN_LVDS:
121         case SCREEN_DUAL_LVDS:
122         case SCREEN_LVDS_10BIT:
123         case SCREEN_DUAL_LVDS_10BIT:
124                 trsm_lvds_ops = ops;
125                 break;
126         case SCREEN_EDP:
127                 trsm_edp_ops = ops;
128                 break;
129         case SCREEN_MIPI:
130         case SCREEN_DUAL_MIPI:
131                 trsm_mipi_ops = ops;
132                 break;
133         default:
134                 pr_warn("%s: unsupported transmitter: %d!\n",
135                         __func__, type);
136                 break;
137         }
138         return 0;
139 }
140
141 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
142 {
143         struct rk_fb_trsm_ops *ops;
144
145         switch (type) {
146         case SCREEN_RGB:
147         case SCREEN_LVDS:
148         case SCREEN_DUAL_LVDS:
149         case SCREEN_LVDS_10BIT:
150         case SCREEN_DUAL_LVDS_10BIT:
151                 ops = trsm_lvds_ops;
152                 break;
153         case SCREEN_EDP:
154                 ops = trsm_edp_ops;
155                 break;
156         case SCREEN_MIPI:
157         case SCREEN_DUAL_MIPI:
158                 ops = trsm_mipi_ops;
159                 break;
160         default:
161                 ops = NULL;
162                 pr_warn("%s: unsupported transmitter: %d!\n",
163                         __func__, type);
164                 break;
165         }
166         return ops;
167 }
168
169 int rk_fb_pixel_width(int data_format)
170 {
171         int pixel_width;
172
173         switch (data_format) {
174         case XBGR888:
175         case XRGB888:
176         case ABGR888:
177         case ARGB888:
178         case FBDC_ARGB_888:
179         case FBDC_ABGR_888:
180         case FBDC_RGBX_888:
181                 pixel_width = 4 * 8;
182                 break;
183         case RGB888:
184         case BGR888:
185                 pixel_width = 3 * 8;
186                 break;
187         case RGB565:
188         case BGR565:
189         case FBDC_RGB_565:
190                 pixel_width = 2 * 8;
191                 break;
192         case YUV422:
193         case YUV420:
194         case YUV420_NV21:
195         case YUV444:
196                 pixel_width = 1 * 8;
197                 break;
198         case YUV422_A:
199         case YUV420_A:
200         case YUV444_A:
201                 pixel_width = 8;
202                 break;
203         case YUYV422:
204         case UYVY422:
205         case YUYV420:
206         case UYVY420:
207                 pixel_width = 16;
208                 break;
209         default:
210                 pr_warn("%s: unsupported format: 0x%x\n",
211                         __func__, data_format);
212                 return -EINVAL;
213         }
214         return pixel_width;
215 }
216
217 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
218 {
219         int fb_data_fmt = 0;
220
221         if (data_format) {
222                 switch (data_format) {
223                 case HAL_PIXEL_FORMAT_RGBX_8888:
224                         fb_data_fmt = XBGR888;
225                         break;
226                 case HAL_PIXEL_FORMAT_BGRX_8888:
227                         fb_data_fmt = XRGB888;
228                         break;
229                 case HAL_PIXEL_FORMAT_RGBA_8888:
230                         fb_data_fmt = ABGR888;
231                         break;
232                 case HAL_PIXEL_FORMAT_BGRA_8888:
233                         fb_data_fmt = ARGB888;
234                         break;
235                 case HAL_PIXEL_FORMAT_RGB_888:
236                         fb_data_fmt = RGB888;
237                         break;
238                 case HAL_PIXEL_FORMAT_BGR_888:
239                         fb_data_fmt = BGR888;
240                         break;
241                 case HAL_PIXEL_FORMAT_RGB_565:
242                         fb_data_fmt = RGB565;
243                         break;
244                 case HAL_PIXEL_FORMAT_BGR_565:
245                         fb_data_fmt = BGR565;
246                         break;
247                 case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
248                         fb_data_fmt = YUV422;
249                         break;
250                 case HAL_PIXEL_FORMAT_YCrCb_420_SP:     /* YUV420---vuvuvu */
251                         fb_data_fmt = YUV420_NV21;
252                         break;
253                 case HAL_PIXEL_FORMAT_YCrCb_NV12:       /* YUV420---uvuvuv */
254                         fb_data_fmt = YUV420;
255                         break;
256                 case HAL_PIXEL_FORMAT_YCrCb_444:        /* yuv444 */
257                         fb_data_fmt = YUV444;
258                         break;
259                 case HAL_PIXEL_FORMAT_YCrCb_NV12_10:    /* yuv444 */
260                         fb_data_fmt = YUV420_A;
261                         break;
262                 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
263                         fb_data_fmt = YUV422_A;
264                         break;
265                 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10:  /* yuv444 */
266                         fb_data_fmt = YUV444_A;
267                         break;
268                 case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
269                         fb_data_fmt = FBDC_RGB_565;
270                         break;
271                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8:    /* fbdc argb888 */
272                         fb_data_fmt = FBDC_ARGB_888;
273                         break;
274                 case HAL_PIXEL_FORMAT_FBDC_RGBA888:     /* fbdc abgr888 */
275                         fb_data_fmt = FBDC_ABGR_888;
276                         break;
277                 case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
278                         fb_data_fmt = FBDC_RGBX_888;
279                         break;
280                 case HAL_PIXEL_FORMAT_YUYV422:          /* yuyv422 */
281                         fb_data_fmt = YUYV422;
282                         break;
283                 case HAL_PIXEL_FORMAT_YUYV420:          /* yuyv420 */
284                         fb_data_fmt = YUYV420;
285                         break;
286                 case HAL_PIXEL_FORMAT_UYVY422:          /* uyvy422 */
287                         fb_data_fmt = UYVY422;
288                         break;
289                 case HAL_PIXEL_FORMAT_UYVY420:          /* uyvy420 */
290                         fb_data_fmt = UYVY420;
291                         break;
292                 default:
293                         pr_warn("%s: unsupported format: 0x%x\n",
294                                 __func__, data_format);
295                         return -EINVAL;
296                 }
297         } else {
298                 switch (bits_per_pixel) {
299                 case 32:
300                         fb_data_fmt = ARGB888;
301                         break;
302                 case 24:
303                         fb_data_fmt = RGB888;
304                         break;
305                 case 16:
306                         fb_data_fmt = RGB565;
307                         break;
308                 default:
309                         pr_warn("%s: unsupported bits_per_pixel: %d\n",
310                                 __func__, bits_per_pixel);
311                         break;
312                 }
313         }
314         return fb_data_fmt;
315 }
316
317 /*
318  * rk display power control parse from dts
319  */
320 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
321 {
322         struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
323                                                         "power_ctr");
324         struct device_node *child;
325         struct rk_disp_pwr_ctr_list *pwr_ctr;
326         struct list_head *pos;
327         enum of_gpio_flags flags;
328         u32 val = 0;
329         u32 debug = 0;
330         int ret;
331
332         INIT_LIST_HEAD(&dev_drv->pwrlist_head);
333         if (!root) {
334                 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
335                         dev_drv->id);
336                 return -ENODEV;
337         }
338
339         for_each_child_of_node(root, child) {
340                 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
341                                   GFP_KERNEL);
342                 strcpy(pwr_ctr->pwr_ctr.name, child->name);
343                 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
344                         if (val == GPIO) {
345                                 pwr_ctr->pwr_ctr.type = GPIO;
346                                 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
347                                 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
348                                         dev_err(dev_drv->dev, "%s ivalid gpio\n",
349                                                 child->name);
350                                         return -EINVAL;
351                                 }
352                                 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
353                                 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
354                                                    child->name);
355                                 if (ret) {
356                                         dev_err(dev_drv->dev,
357                                                 "request %s gpio fail:%d\n",
358                                                 child->name, ret);
359                                 }
360
361                         } else {
362                                 pwr_ctr->pwr_ctr.type = REGULATOR;
363                                 pwr_ctr->pwr_ctr.rgl_name = NULL;
364                                 ret = of_property_read_string(child, "rockchip,regulator_name",
365                                                               &(pwr_ctr->pwr_ctr.rgl_name));
366                                 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
367                                         dev_err(dev_drv->dev, "get regulator name failed!\n");
368                                 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
369                                         pwr_ctr->pwr_ctr.volt = val;
370                                 else
371                                         pwr_ctr->pwr_ctr.volt = 0;
372                         }
373                 };
374
375                 if (!of_property_read_u32(child, "rockchip,delay", &val))
376                         pwr_ctr->pwr_ctr.delay = val;
377                 else
378                         pwr_ctr->pwr_ctr.delay = 0;
379                 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
380         }
381
382         of_property_read_u32(root, "rockchip,debug", &debug);
383
384         if (debug) {
385                 list_for_each(pos, &dev_drv->pwrlist_head) {
386                         pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
387                                              list);
388                         pr_info("pwr_ctr_name:%s\n"
389                                 "pwr_type:%s\n"
390                                 "gpio:%d\n"
391                                 "atv_val:%d\n"
392                                 "delay:%d\n\n",
393                                 pwr_ctr->pwr_ctr.name,
394                                 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
395                                 pwr_ctr->pwr_ctr.gpio,
396                                 pwr_ctr->pwr_ctr.atv_val,
397                                 pwr_ctr->pwr_ctr.delay);
398                 }
399         }
400
401         return 0;
402 }
403
404 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
405 {
406         struct list_head *pos;
407         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
408         struct pwr_ctr *pwr_ctr;
409         struct regulator *regulator_lcd = NULL;
410         int count = 10;
411
412         if (list_empty(&dev_drv->pwrlist_head))
413                 return 0;
414         list_for_each(pos, &dev_drv->pwrlist_head) {
415                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
416                                           list);
417                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
418                 if (pwr_ctr->type == GPIO) {
419                         gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
420                         mdelay(pwr_ctr->delay);
421                 } else if (pwr_ctr->type == REGULATOR) {
422                         if (pwr_ctr->rgl_name)
423                                 regulator_lcd =
424                                         regulator_get(NULL, pwr_ctr->rgl_name);
425                         if (regulator_lcd == NULL) {
426                                 dev_err(dev_drv->dev,
427                                         "%s: regulator get failed,regulator name:%s\n",
428                                         __func__, pwr_ctr->rgl_name);
429                                 continue;
430                         }
431                         regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
432                         while (!regulator_is_enabled(regulator_lcd)) {
433                                 if (regulator_enable(regulator_lcd) == 0 || count == 0)
434                                         break;
435                                 else
436                                         dev_err(dev_drv->dev,
437                                                 "regulator_enable failed,count=%d\n",
438                                                 count);
439                                 count--;
440                         }
441                         regulator_put(regulator_lcd);
442                         msleep(pwr_ctr->delay);
443                 }
444         }
445
446         return 0;
447 }
448
449 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
450 {
451         struct list_head *pos;
452         struct rk_disp_pwr_ctr_list *pwr_ctr_list;
453         struct pwr_ctr *pwr_ctr;
454         struct regulator *regulator_lcd = NULL;
455         int count = 10;
456
457         if (list_empty(&dev_drv->pwrlist_head))
458                 return 0;
459         list_for_each(pos, &dev_drv->pwrlist_head) {
460                 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
461                                           list);
462                 pwr_ctr = &pwr_ctr_list->pwr_ctr;
463                 if (pwr_ctr->type == GPIO) {
464                         gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
465                 } else if (pwr_ctr->type == REGULATOR) {
466                         if (pwr_ctr->rgl_name)
467                                 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
468                         if (regulator_lcd == NULL) {
469                                 dev_err(dev_drv->dev,
470                                         "%s: regulator get failed,regulator name:%s\n",
471                                         __func__, pwr_ctr->rgl_name);
472                                 continue;
473                         }
474                         while (regulator_is_enabled(regulator_lcd) > 0) {
475                                 if (regulator_disable(regulator_lcd) == 0 ||
476                                     count == 0)
477                                         break;
478                                 else
479                                         dev_err(dev_drv->dev,
480                                                 "regulator_disable failed,count=%d\n",
481                                                 count);
482                                 count--;
483                         }
484                         regulator_put(regulator_lcd);
485                 }
486         }
487         return 0;
488 }
489
490 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
491                                  struct rk_screen *screen)
492 {
493         screen->mode.pixclock = dt->pixelclock.typ;
494         screen->mode.left_margin = dt->hback_porch.typ;
495         screen->mode.right_margin = dt->hfront_porch.typ;
496         screen->mode.xres = dt->hactive.typ;
497         screen->mode.hsync_len = dt->hsync_len.typ;
498         screen->mode.upper_margin = dt->vback_porch.typ;
499         screen->mode.lower_margin = dt->vfront_porch.typ;
500         screen->mode.yres = dt->vactive.typ;
501         screen->mode.vsync_len = dt->vsync_len.typ;
502         screen->type = dt->screen_type;
503         screen->lvds_format = dt->lvds_format;
504         screen->face = dt->face;
505         screen->color_mode = dt->color_mode;
506         screen->width = dt->screen_widt;
507         screen->height = dt->screen_hight;
508         screen->dsp_lut = dt->dsp_lut;
509         screen->cabc_lut = dt->cabc_lut;
510         screen->cabc_gamma_base = dt->cabc_gamma_base;
511
512         if (dt->flags & DISPLAY_FLAGS_INTERLACED)
513                 screen->mode.vmode |= FB_VMODE_INTERLACED;
514         if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
515                 screen->pin_dclk = 1;
516         else
517                 screen->pin_dclk = 0;
518         if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
519                 screen->pin_hsync = 1;
520         else
521                 screen->pin_hsync = 0;
522         if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
523                 screen->pin_vsync = 1;
524         else
525                 screen->pin_vsync = 0;
526         if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
527                 screen->pin_den = 1;
528         else
529                 screen->pin_den = 0;
530
531         return 0;
532 }
533
534 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
535 {
536         struct display_timings *disp_timing;
537         struct display_timing *dt;
538
539         disp_timing = of_get_display_timings(np);
540         if (!disp_timing) {
541                 pr_err("parse display timing err\n");
542                 return -EINVAL;
543         }
544         dt = display_timings_get(disp_timing, disp_timing->native_mode);
545         rk_fb_video_mode_from_timing(dt, screen);
546
547         return 0;
548 }
549
550 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
551 {
552         int x, y;
553         unsigned long long hz;
554
555         if (!screen) {
556                 pr_err("%s:null screen!\n", __func__);
557                 return 0;
558         }
559         x = screen->mode.xres + screen->mode.left_margin +
560             screen->mode.right_margin + screen->mode.hsync_len;
561         y = screen->mode.yres + screen->mode.upper_margin +
562             screen->mode.lower_margin + screen->mode.vsync_len;
563
564         hz = 1000000000000ULL;  /* 1e12 picoseconds per second */
565
566         hz += (x * y) / 2;
567         do_div(hz, x * y);      /* divide by x * y with rounding */
568
569         hz += pixclock / 2;
570         do_div(hz, pixclock);   /* divide by pixclock with rounding */
571
572         return hz;
573 }
574
575 char *get_format_string(enum data_format format, char *fmt)
576 {
577         if (!fmt)
578                 return NULL;
579         switch (format) {
580         case ARGB888:
581                 strcpy(fmt, "ARGB888");
582                 break;
583         case RGB888:
584                 strcpy(fmt, "RGB888");
585                 break;
586         case BGR888:
587                 strcpy(fmt, "BGR888");
588                 break;
589         case RGB565:
590                 strcpy(fmt, "RGB565");
591                 break;
592         case BGR565:
593                 strcpy(fmt, "BGR565");
594                 break;
595         case YUV420:
596         case YUV420_NV21:
597                 strcpy(fmt, "YUV420");
598                 break;
599         case YUV422:
600                 strcpy(fmt, "YUV422");
601                 break;
602         case YUV444:
603                 strcpy(fmt, "YUV444");
604                 break;
605         case YUV420_A:
606                 strcpy(fmt, "YUV420_A");
607                 break;
608         case YUV422_A:
609                 strcpy(fmt, "YUV422_A");
610                 break;
611         case YUV444_A:
612                 strcpy(fmt, "YUV444_A");
613                 break;
614         case XRGB888:
615                 strcpy(fmt, "XRGB888");
616                 break;
617         case XBGR888:
618                 strcpy(fmt, "XBGR888");
619                 break;
620         case ABGR888:
621                 strcpy(fmt, "ABGR888");
622                 break;
623         case FBDC_RGB_565:
624                 strcpy(fmt, "FBDC_RGB_565");
625                 break;
626         case FBDC_ARGB_888:
627         case FBDC_ABGR_888:
628                 strcpy(fmt, "FBDC_ARGB_888");
629                 break;
630         case FBDC_RGBX_888:
631                 strcpy(fmt, "FBDC_RGBX_888");
632                 break;
633         case YUYV422:
634                 strcpy(fmt, "YUYV422");
635                 break;
636         case YUYV420:
637                 strcpy(fmt, "YUYV420");
638                 break;
639         case UYVY422:
640                 strcpy(fmt, "UYVY422");
641                 break;
642         case UYVY420:
643                 strcpy(fmt, "UYVY420");
644                 break;
645         default:
646                 strcpy(fmt, "invalid");
647                 break;
648         }
649
650         return fmt;
651 }
652
653 int rk_fb_set_vop_pwm(void)
654 {
655         int i = 0;
656         struct rk_fb *inf = NULL;
657         struct rk_lcdc_driver *dev_drv = NULL;
658
659         if (likely(fb_pdev))
660                 inf = platform_get_drvdata(fb_pdev);
661         else
662                 return -1;
663
664         for (i = 0; i < inf->num_lcdc; i++) {
665                 if (inf->lcdc_dev_drv[i]->cabc_mode == 1) {
666                         dev_drv = inf->lcdc_dev_drv[i];
667                         break;
668                 }
669         }
670
671         if (!dev_drv)
672                 return -1;
673
674         mutex_lock(&dev_drv->win_config);
675         dev_drv->ops->cfg_done(dev_drv);
676         mutex_unlock(&dev_drv->win_config);
677
678         return 0;
679 }
680
681 /*
682  * this is for hdmi
683  * name: lcdc device name ,lcdc0 , lcdc1
684  */
685 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
686 {
687         struct rk_fb *inf = NULL;
688         struct rk_lcdc_driver *dev_drv = NULL;
689         int i = 0;
690
691         if (likely(fb_pdev))
692                 inf = platform_get_drvdata(fb_pdev);
693         else
694                 return NULL;
695
696         for (i = 0; i < inf->num_lcdc; i++) {
697                 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
698                         dev_drv = inf->lcdc_dev_drv[i];
699                         break;
700                 }
701         }
702
703         return dev_drv;
704 }
705
706 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
707 {
708         struct rk_fb *inf = NULL;
709         struct rk_lcdc_driver *dev_drv = NULL;
710         int i = 0;
711
712         if (likely(fb_pdev))
713                 inf = platform_get_drvdata(fb_pdev);
714         else
715                 return NULL;
716
717         for (i = 0; i < inf->num_lcdc; i++) {
718                 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
719                         dev_drv = inf->lcdc_dev_drv[i];
720                         break;
721                 }
722         }
723
724         return dev_drv;
725 }
726
727 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
728 {
729         struct rk_fb *inf = NULL;
730         struct rk_lcdc_driver *dev_drv = NULL;
731         int i = 0;
732
733         if (likely(fb_pdev))
734                 inf = platform_get_drvdata(fb_pdev);
735         else
736                 return NULL;
737
738         for (i = 0; i < inf->num_lcdc; i++) {
739                 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
740                         dev_drv = inf->lcdc_dev_drv[i];
741                         break;
742                 }
743         }
744
745         return dev_drv;
746 }
747
748 /*
749  * get one frame time of the prmry screen, unit: us
750  */
751 u32 rk_fb_get_prmry_screen_ft(void)
752 {
753         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
754         u32 htotal, vtotal, pixclock_ps;
755         u64 pix_total, ft_us;
756
757         if (unlikely(!dev_drv))
758                 return 0;
759
760         pixclock_ps = dev_drv->pixclock;
761
762         vtotal = dev_drv->cur_screen->mode.upper_margin +
763                  dev_drv->cur_screen->mode.lower_margin +
764                  dev_drv->cur_screen->mode.yres +
765                  dev_drv->cur_screen->mode.vsync_len;
766         htotal = dev_drv->cur_screen->mode.left_margin +
767                  dev_drv->cur_screen->mode.right_margin +
768                  dev_drv->cur_screen->mode.xres +
769                  dev_drv->cur_screen->mode.hsync_len;
770         pix_total = htotal * vtotal;
771         ft_us = pix_total * pixclock_ps;
772         do_div(ft_us, 1000000);
773         if (dev_drv->frame_time.ft == 0)
774                 dev_drv->frame_time.ft = ft_us;
775
776         ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
777         do_div(ft_us, 1000);
778         ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
779         if (ft_us != 0)
780                 dev_drv->frame_time.ft = ft_us;
781
782         return dev_drv->frame_time.ft;
783 }
784
785 /*
786  * get the vblanking time of the prmry screen, unit: us
787  */
788 u32 rk_fb_get_prmry_screen_vbt(void)
789 {
790         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
791         u32 htotal, vblank, pixclock_ps;
792         u64 pix_blank, vbt_us;
793
794         if (unlikely(!dev_drv))
795                 return 0;
796
797         pixclock_ps = dev_drv->pixclock;
798
799         htotal = (dev_drv->cur_screen->mode.left_margin +
800                   dev_drv->cur_screen->mode.right_margin +
801                   dev_drv->cur_screen->mode.xres +
802                   dev_drv->cur_screen->mode.hsync_len);
803         vblank = (dev_drv->cur_screen->mode.upper_margin +
804                   dev_drv->cur_screen->mode.lower_margin +
805                   dev_drv->cur_screen->mode.vsync_len);
806         pix_blank = htotal * vblank;
807         vbt_us = pix_blank * pixclock_ps;
808         do_div(vbt_us, 1000000);
809         return (u32)vbt_us;
810 }
811
812 /*
813  * get the frame done time of the prmry screen, unit: us
814  */
815 u64 rk_fb_get_prmry_screen_framedone_t(void)
816 {
817         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
818
819         if (unlikely(!dev_drv))
820                 return 0;
821         else
822                 return dev_drv->frame_time.framedone_t;
823 }
824
825 /*
826  * set prmry screen status
827  */
828 int rk_fb_set_prmry_screen_status(int status)
829 {
830         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
831         struct rk_screen *screen;
832
833         if (unlikely(!dev_drv))
834                 return 0;
835
836         screen = dev_drv->cur_screen;
837         switch (status) {
838         case SCREEN_PREPARE_DDR_CHANGE:
839                 if (screen->type == SCREEN_MIPI ||
840                     screen->type == SCREEN_DUAL_MIPI) {
841                         if (dev_drv->trsm_ops->dsp_pwr_off)
842                                 dev_drv->trsm_ops->dsp_pwr_off();
843                 }
844                 break;
845         case SCREEN_UNPREPARE_DDR_CHANGE:
846                 if (screen->type == SCREEN_MIPI ||
847                     screen->type == SCREEN_DUAL_MIPI) {
848                         if (dev_drv->trsm_ops->dsp_pwr_on)
849                                 dev_drv->trsm_ops->dsp_pwr_on();
850                 }
851                 break;
852         default:
853                 break;
854         }
855
856         return 0;
857 }
858
859 u32 rk_fb_get_prmry_screen_pixclock(void)
860 {
861         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
862
863         if (unlikely(!dev_drv))
864                 return 0;
865         else
866                 return dev_drv->pixclock;
867 }
868
869 int rk_fb_poll_prmry_screen_vblank(void)
870 {
871         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
872
873         if (likely(dev_drv)) {
874                 if (dev_drv->ops->poll_vblank)
875                         return dev_drv->ops->poll_vblank(dev_drv);
876                 else
877                         return RK_LF_STATUS_NC;
878         } else {
879                 return RK_LF_STATUS_NC;
880         }
881 }
882
883 bool rk_fb_poll_wait_frame_complete(void)
884 {
885         uint32_t timeout = RK_LF_MAX_TIMEOUT;
886         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
887
888         if (likely(dev_drv)) {
889                 if (dev_drv->ops->set_irq_to_cpu)
890                         dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
891         }
892
893         if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
894                 if (likely(dev_drv)) {
895                         if (dev_drv->ops->set_irq_to_cpu)
896                                 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
897                 }
898                 return false;
899         }
900         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
901                 ;
902         while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
903                 ;
904         if (likely(dev_drv)) {
905                 if (dev_drv->ops->set_irq_to_cpu)
906                         dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
907         }
908
909         return true;
910 }
911
912 /* rk_fb_get_sysmmu_device_by_compatible()
913  * @compt: dts device compatible name
914  * return value: success: pointer to the device inside of platform device
915  *               fail: NULL
916  */
917 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
918 {
919         struct device_node *dn = NULL;
920         struct platform_device *pd = NULL;
921         struct device *ret = NULL ;
922
923         dn = of_find_compatible_node(NULL, NULL, compt);
924         if (!dn) {
925                 pr_info("can't find device node %s \r\n", compt);
926                 return NULL;
927         }
928
929         pd = of_find_device_by_node(dn);
930         if (!pd) {
931                 pr_info("can't find platform device node %s \r\n", compt);
932                 return  NULL;
933         }
934         ret = &pd->dev;
935
936         return ret;
937 }
938
939 #ifdef CONFIG_IOMMU_API
940 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
941 {
942         dev->archdata.iommu = sysmmu;
943 }
944 #else
945 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
946 {
947 }
948 #endif
949
950 static int rk_fb_open(struct fb_info *info, int user)
951 {
952         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
953         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
954         int win_id;
955
956         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
957         fb_par->state++;
958         /* if this win aready opened ,no need to reopen */
959         if (dev_drv->win[win_id]->state)
960                 return 0;
961         else
962                 dev_drv->ops->open(dev_drv, win_id, 1);
963         return 0;
964 }
965
966 static int rk_fb_close(struct fb_info *info, int user)
967 {
968         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
969         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
970         struct rk_lcdc_win *win = NULL;
971         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
972
973         if (win_id >= 0) {
974                 win = dev_drv->win[win_id];
975                 if (fb_par->state)
976                         fb_par->state--;
977                 if (!fb_par->state) {
978                         if (fb_par->fb_phy_base > 0)
979                                 info->fix.smem_start = fb_par->fb_phy_base;
980                         info->var.xres = dev_drv->screen0->mode.xres;
981                         info->var.yres = dev_drv->screen0->mode.yres;
982                         /*
983                          *info->var.grayscale |=
984                          *   (info->var.xres << 8) + (info->var.yres << 20);
985                          */
986                         info->var.xres_virtual = info->var.xres;
987                         info->var.yres_virtual = info->var.yres;
988 #if defined(CONFIG_LOGO_LINUX_BMP)
989                         info->var.bits_per_pixel = 32;
990 #else
991                         info->var.bits_per_pixel = 16;
992 #endif
993                         info->fix.line_length =
994                             (info->var.xres_virtual) *
995                             (info->var.bits_per_pixel >> 3);
996                         info->var.width = dev_drv->screen0->width;
997                         info->var.height = dev_drv->screen0->height;
998                         info->var.pixclock = dev_drv->pixclock;
999                         info->var.left_margin =
1000                                 dev_drv->screen0->mode.left_margin;
1001                         info->var.right_margin =
1002                                 dev_drv->screen0->mode.right_margin;
1003                         info->var.upper_margin =
1004                                 dev_drv->screen0->mode.upper_margin;
1005                         info->var.lower_margin =
1006                                 dev_drv->screen0->mode.lower_margin;
1007                         info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
1008                         info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
1009                 }
1010         }
1011
1012         return 0;
1013 }
1014
1015 #if defined(FB_ROATE_BY_KERNEL)
1016
1017 #if defined(CONFIG_RK29_IPP)
1018 static int get_ipp_format(int fmt)
1019 {
1020         int ipp_fmt = IPP_XRGB_8888;
1021
1022         switch (fmt) {
1023         case HAL_PIXEL_FORMAT_RGBX_8888:
1024         case HAL_PIXEL_FORMAT_BGRX_8888:
1025         case HAL_PIXEL_FORMAT_RGBA_8888:
1026         case HAL_PIXEL_FORMAT_BGRA_8888:
1027         case HAL_PIXEL_FORMAT_RGB_888:
1028         case HAL_PIXEL_FORMAT_BGR_888:
1029                 ipp_fmt = IPP_XRGB_8888;
1030                 break;
1031         case HAL_PIXEL_FORMAT_RGB_565:
1032         case HAL_PIXEL_FORMAT_BGR_565:
1033                 ipp_fmt = IPP_RGB_565;
1034                 break;
1035         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1036                 ipp_fmt = IPP_Y_CBCR_H2V1;
1037                 break;
1038         case HAL_PIXEL_FORMAT_YCrCb_NV12:
1039                 ipp_fmt = IPP_Y_CBCR_H2V2;
1040                 break;
1041         case HAL_PIXEL_FORMAT_YCrCb_444:
1042                 ipp_fmt = IPP_Y_CBCR_H1V1;
1043                 break;
1044         default:
1045                 ipp_fmt = IPP_IMGTYPE_LIMIT;
1046                 break;
1047         }
1048
1049         return ipp_fmt;
1050 }
1051
1052 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1053                           int rotation, int fmt)
1054 {
1055         int align16 = 2;
1056         int align64 = 8;
1057
1058         if (fmt == IPP_XRGB_8888) {
1059                 align16 = 1;
1060                 align64 = 2;
1061         } else if (fmt == IPP_RGB_565) {
1062                 align16 = 1;
1063                 align64 = 4;
1064         } else {
1065                 align16 = 2;
1066                 align64 = 8;
1067         }
1068         align16 -= 1;           /*for YUV, 1 */
1069         align64 -= 1;           /*for YUV, 7 */
1070
1071         if (rotation == IPP_ROT_0) {
1072                 if (fmt > IPP_RGB_565) {
1073                         if ((*dst_w & 1) != 0)
1074                                 *dst_w = *dst_w + 1;
1075                         if ((*dst_h & 1) != 0)
1076                                 *dst_h = *dst_h + 1;
1077                         if (*dst_vir_w < *dst_w)
1078                                 *dst_vir_w = *dst_w;
1079                 }
1080         } else {
1081                 if ((*dst_w & align64) != 0)
1082                         *dst_w = (*dst_w + align64) & (~align64);
1083                 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1084                         *dst_h = *dst_h + 1;
1085                 if (*dst_vir_w < *dst_w)
1086                         *dst_vir_w = *dst_w;
1087         }
1088 }
1089
1090 static void fb_copy_by_ipp(struct fb_info *dst_info,
1091                            struct fb_info *src_info)
1092 {
1093         struct rk29_ipp_req ipp_req;
1094         uint32_t rotation = 0;
1095         int dst_w, dst_h, dst_vir_w;
1096         int ipp_fmt;
1097         u8 data_format = (dst_info->var.nonstd) & 0xff;
1098         struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1099         struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1100         u16 orientation = ext_dev_drv->rotate_mode;
1101
1102         memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1103
1104         switch (orientation) {
1105         case 0:
1106                 rotation = IPP_ROT_0;
1107                 break;
1108         case ROTATE_90:
1109                 rotation = IPP_ROT_90;
1110                 break;
1111         case ROTATE_180:
1112                 rotation = IPP_ROT_180;
1113                 break;
1114         case ROTATE_270:
1115                 rotation = IPP_ROT_270;
1116                 break;
1117         default:
1118                 rotation = IPP_ROT_270;
1119                 break;
1120         }
1121
1122         dst_w = dst_info->var.xres;
1123         dst_h = dst_info->var.yres;
1124         dst_vir_w = dst_info->var.xres_virtual;
1125         ipp_fmt = get_ipp_format(data_format);
1126         ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1127         ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1128         ipp_req.src0.w = src_info->var.xres;
1129         ipp_req.src0.h = src_info->var.yres;
1130         ipp_req.src_vir_w = src_info->var.xres_virtual;
1131         ipp_req.src0.fmt = ipp_fmt;
1132
1133         ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1134         ipp_req.dst0.w = dst_w;
1135         ipp_req.dst0.h = dst_h;
1136         ipp_req.dst_vir_w = dst_vir_w;
1137         ipp_req.dst0.fmt = ipp_fmt;
1138
1139         ipp_req.timeout = 100;
1140         ipp_req.flag = rotation;
1141         ipp_blit_sync(&ipp_req);
1142 }
1143
1144 #endif
1145
1146 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1147 static int get_rga_format(int fmt)
1148 {
1149         int rga_fmt = 0;
1150
1151         switch (fmt) {
1152         case XBGR888:
1153                 rga_fmt = RK_FORMAT_RGBX_8888;
1154                 break;
1155         case ABGR888:
1156                 rga_fmt = RK_FORMAT_RGBA_8888;
1157                 break;
1158         case ARGB888:
1159                 rga_fmt = RK_FORMAT_BGRA_8888;
1160                 break;
1161         case RGB888:
1162                 rga_fmt = RK_FORMAT_RGB_888;
1163                 break;
1164         case RGB565:
1165                 rga_fmt = RK_FORMAT_RGB_565;
1166                 break;
1167         case YUV422:
1168                 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1169                 break;
1170         case YUV420:
1171                 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1172                 break;
1173         default:
1174                 rga_fmt = RK_FORMAT_RGBA_8888;
1175                 break;
1176         }
1177
1178         return rga_fmt;
1179 }
1180
1181 static void rga_win_check(struct rk_lcdc_win *dst_win,
1182                           struct rk_lcdc_win *src_win)
1183 {
1184         int format = 0;
1185
1186         format = get_rga_format(src_win->area[0].format);
1187         /* width and height must be even number */
1188         if (format >= RK_FORMAT_YCbCr_422_SP &&
1189             format <= RK_FORMAT_YCrCb_420_P) {
1190                 if ((src_win->area[0].xact % 2) != 0)
1191                         src_win->area[0].xact += 1;
1192                 if ((src_win->area[0].yact % 2) != 0)
1193                         src_win->area[0].yact += 1;
1194         }
1195         if (src_win->area[0].xvir < src_win->area[0].xact)
1196                 src_win->area[0].xvir = src_win->area[0].xact;
1197         if (src_win->area[0].yvir < src_win->area[0].yact)
1198                 src_win->area[0].yvir = src_win->area[0].yact;
1199
1200         format = get_rga_format(dst_win->area[0].format);
1201         if (format >= RK_FORMAT_YCbCr_422_SP &&
1202             format <= RK_FORMAT_YCrCb_420_P) {
1203                 if ((dst_win->area[0].xact % 2) != 0)
1204                         dst_win->area[0].xact += 1;
1205                 if ((dst_win->area[0].yact % 2) != 0)
1206                         dst_win->area[0].yact += 1;
1207         }
1208         if (dst_win->area[0].xvir < dst_win->area[0].xact)
1209                 dst_win->area[0].xvir = dst_win->area[0].xact;
1210         if (dst_win->area[0].yvir < dst_win->area[0].yact)
1211                 dst_win->area[0].yvir = dst_win->area[0].yact;
1212 }
1213
1214 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1215                             struct rk_lcdc_win *src_win,
1216                             u16 orientation, int iommu_en)
1217 {
1218         struct rga_req rga_request;
1219         long ret = 0;
1220         /* int fd = 0; */
1221
1222         memset(&rga_request, 0, sizeof(rga_request));
1223         rga_win_check(dst_win, src_win);
1224
1225         switch (orientation) {
1226         case ROTATE_90:
1227                 rga_request.rotate_mode = 1;
1228                 rga_request.sina = 65536;
1229                 rga_request.cosa = 0;
1230                 rga_request.dst.act_w = dst_win->area[0].yact;
1231                 rga_request.dst.act_h = dst_win->area[0].xact;
1232                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1233                 rga_request.dst.y_offset = 0;
1234                 break;
1235         case ROTATE_180:
1236                 rga_request.rotate_mode = 1;
1237                 rga_request.sina = 0;
1238                 rga_request.cosa = -65536;
1239                 rga_request.dst.act_w = dst_win->area[0].xact;
1240                 rga_request.dst.act_h = dst_win->area[0].yact;
1241                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1242                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1243                 break;
1244         case ROTATE_270:
1245                 rga_request.rotate_mode = 1;
1246                 rga_request.sina = -65536;
1247                 rga_request.cosa = 0;
1248                 rga_request.dst.act_w = dst_win->area[0].yact;
1249                 rga_request.dst.act_h = dst_win->area[0].xact;
1250                 rga_request.dst.x_offset = 0;
1251                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1252                 break;
1253         default:
1254                 rga_request.rotate_mode = 0;
1255                 rga_request.dst.act_w = dst_win->area[0].xact;
1256                 rga_request.dst.act_h = dst_win->area[0].yact;
1257                 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1258                 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1259                 break;
1260         }
1261
1262         /*
1263          * fd =
1264          *    ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1265          * rga_request.src.yrgb_addr = fd;
1266          * fd =
1267          *    ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1268          * rga_request.dst.yrgb_addr = fd;
1269          */
1270         rga_request.src.yrgb_addr = 0;
1271         rga_request.src.uv_addr =
1272             src_win->area[0].smem_start + src_win->area[0].y_offset;
1273         rga_request.src.v_addr = 0;
1274
1275         rga_request.dst.yrgb_addr = 0;
1276         rga_request.dst.uv_addr =
1277             dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1278         rga_request.dst.v_addr = 0;
1279
1280         rga_request.src.vir_w = src_win->area[0].xvir;
1281         rga_request.src.vir_h = src_win->area[0].yvir;
1282         rga_request.src.format = get_rga_format(src_win->area[0].format);
1283         rga_request.src.act_w = src_win->area[0].xact;
1284         rga_request.src.act_h = src_win->area[0].yact;
1285         rga_request.src.x_offset = 0;
1286         rga_request.src.y_offset = 0;
1287
1288         rga_request.dst.vir_w = dst_win->area[0].xvir;
1289         rga_request.dst.vir_h = dst_win->area[0].yvir;
1290         rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1291
1292         rga_request.clip.xmin = 0;
1293         rga_request.clip.xmax = dst_win->area[0].xact - 1;
1294         rga_request.clip.ymin = 0;
1295         rga_request.clip.ymax = dst_win->area[0].yact - 1;
1296         rga_request.scale_mode = 0;
1297
1298         if (iommu_en) {
1299                 rga_request.mmu_info.mmu_en = 1;
1300                 rga_request.mmu_info.mmu_flag = 1;
1301         } else {
1302                 rga_request.mmu_info.mmu_en = 0;
1303                 rga_request.mmu_info.mmu_flag = 0;
1304         }
1305
1306         ret = rga_ioctl_kernel(&rga_request);
1307 }
1308
1309 /*
1310  * This function is used for copying fb by RGA Module
1311  * RGA only support copy RGB to RGB
1312  * RGA2 support copy RGB to RGB and YUV to YUV
1313  */
1314 static void fb_copy_by_rga(struct fb_info *dst_info,
1315                            struct fb_info *src_info)
1316 {
1317         struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1318         struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1319         struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1320         struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1321         int win_id = 0, ext_win_id;
1322         struct rk_lcdc_win *src_win, *dst_win;
1323
1324         win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1325         src_win = dev_drv->win[win_id];
1326
1327         ext_win_id =
1328             ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1329         dst_win = ext_dev_drv->win[ext_win_id];
1330
1331         win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1332                         ext_dev_drv->iommu_enabled);
1333 }
1334 #endif
1335
1336 static int rk_fb_rotate(struct fb_info *dst_info,
1337                         struct fb_info *src_info)
1338 {
1339 #if defined(CONFIG_RK29_IPP)
1340         fb_copy_by_ipp(dst_info, src_info);
1341 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1342         fb_copy_by_rga(dst_info, src_info);
1343 #else
1344         return -1;
1345 #endif
1346         return 0;
1347 }
1348
1349 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1350                                            struct rk_lcdc_win *src_win,
1351                                            u16 rotate, int iommu_en)
1352 {
1353 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1354         win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1355 #else
1356         return -1;
1357 #endif
1358         return 0;
1359 }
1360
1361 #endif
1362
1363 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1364                              struct fb_info *info)
1365 {
1366         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1367         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1368         struct fb_fix_screeninfo *fix = &info->fix;
1369         int win_id = 0;
1370         struct rk_lcdc_win *win = NULL;
1371         struct rk_screen *screen = dev_drv->cur_screen;
1372         u32 xoffset = var->xoffset;
1373         u32 yoffset = var->yoffset;
1374         u32 xvir = var->xres_virtual;
1375         u8 pixel_width;
1376         u32 vir_width_bit;
1377         u32 stride, uv_stride;
1378         u32 stride_32bit_1;
1379         u32 stride_32bit_2;
1380         u16 uv_x_off, uv_y_off, uv_y_act;
1381         u8 is_pic_yuv = 0;
1382
1383         if (dev_drv->suspend_flag || is_car_camcap())
1384                 return 0;
1385         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1386         if (win_id < 0)
1387                 return -ENODEV;
1388         else
1389                 win = dev_drv->win[win_id];
1390
1391         pixel_width = rk_fb_pixel_width(win->area[0].format);
1392         vir_width_bit = pixel_width * xvir;
1393         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1394         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1395
1396         switch (win->area[0].format) {
1397         case YUV422:
1398         case YUV422_A:
1399                 is_pic_yuv = 1;
1400                 stride = stride_32bit_1;
1401                 uv_stride = stride_32bit_1;
1402                 uv_x_off = xoffset;
1403                 uv_y_off = yoffset;
1404                 fix->line_length = stride;
1405                 uv_y_act = win->area[0].yact >> 1;
1406                 break;
1407         case YUV420:            /* nv12 */
1408         case YUV420_NV21:       /* nv21 */
1409         case YUV420_A:
1410                 is_pic_yuv = 1;
1411                 stride = stride_32bit_1;
1412                 uv_stride = stride_32bit_1;
1413                 uv_x_off = xoffset;
1414                 uv_y_off = yoffset >> 1;
1415                 fix->line_length = stride;
1416                 uv_y_act = win->area[0].yact >> 1;
1417                 break;
1418         case YUV444:
1419         case YUV444_A:
1420                 is_pic_yuv = 1;
1421                 stride = stride_32bit_1;
1422                 uv_stride = stride_32bit_2;
1423                 uv_x_off = xoffset * 2;
1424                 uv_y_off = yoffset;
1425                 fix->line_length = stride << 2;
1426                 uv_y_act = win->area[0].yact;
1427                 break;
1428         default:
1429                 stride = stride_32bit_1;        /* default rgb */
1430                 fix->line_length = stride;
1431                 break;
1432         }
1433
1434         /* x y mirror ,jump line */
1435         if ((screen->y_mirror == 1) ||
1436             (win->xmirror && win->ymirror)) {
1437                 if (screen->interlace == 1) {
1438                         win->area[0].y_offset = yoffset * stride * 2 +
1439                             ((win->area[0].yact - 1) * 2 + 1) * stride +
1440                             xoffset * pixel_width / 8;
1441                 } else {
1442                         win->area[0].y_offset = yoffset * stride +
1443                             (win->area[0].yact - 1) * stride +
1444                             xoffset * pixel_width / 8;
1445                 }
1446         } else {
1447                 if (screen->interlace == 1) {
1448                         win->area[0].y_offset =
1449                             yoffset * stride * 2 + xoffset * pixel_width / 8;
1450                 } else {
1451                         win->area[0].y_offset =
1452                             yoffset * stride + xoffset * pixel_width / 8;
1453                 }
1454         }
1455         if (is_pic_yuv == 1) {
1456                 if ((screen->y_mirror == 1) ||
1457                     (win->xmirror && win->ymirror)) {
1458                         if (screen->interlace == 1) {
1459                                 win->area[0].c_offset =
1460                                     uv_y_off * uv_stride * 2 +
1461                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
1462                                     uv_x_off * pixel_width / 8;
1463                         } else {
1464                                 win->area[0].c_offset = uv_y_off * uv_stride +
1465                                     (uv_y_act - 1) * uv_stride +
1466                                     uv_x_off * pixel_width / 8;
1467                         }
1468                 } else {
1469                         if (screen->interlace == 1) {
1470                                 win->area[0].c_offset =
1471                                     uv_y_off * uv_stride * 2 +
1472                                     uv_x_off * pixel_width / 8;
1473                         } else {
1474                                 win->area[0].c_offset =
1475                                     uv_y_off * uv_stride +
1476                                     uv_x_off * pixel_width / 8;
1477                         }
1478                 }
1479         }
1480
1481         win->area[0].smem_start = fix->smem_start;
1482         win->area[0].cbr_start = fix->mmio_start;
1483         win->area[0].state = 1;
1484         win->area_num = 1;
1485
1486         dev_drv->ops->pan_display(dev_drv, win_id);
1487
1488 #ifdef  CONFIG_FB_MIRRORING
1489         if (video_data_to_mirroring)
1490                 video_data_to_mirroring(info, NULL);
1491 #endif
1492         /* if not want the config effect,set reserved[3] bit[0] 1 */
1493         if (likely((var->reserved[3] & 0x1) == 0))
1494                 dev_drv->ops->cfg_done(dev_drv);
1495         if (dev_drv->hdmi_switch)
1496                 mdelay(100);
1497         return 0;
1498 }
1499
1500 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1501 {
1502         int i, j;
1503
1504         i = list_empty(&dev_drv->update_regs_list);
1505         j = list_empty(&dev_drv->saved_list);
1506         return i == j ? 0 : 1;
1507 }
1508
1509 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1510 {
1511         int err = sync_fence_wait(fence, 1000);
1512
1513         if (err >= 0)
1514                 return;
1515
1516         if (err == -ETIME)
1517                 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1518
1519         if (err < 0)
1520                 pr_info("error waiting on fence\n");
1521 }
1522 #if 0
1523 static int rk_fb_copy_from_loader(struct fb_info *info)
1524 {
1525         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1526         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1527         void *dst = info->screen_base;
1528         u32 dsp_addr[4];
1529         u32 src;
1530         u32 i, size;
1531         int win_id;
1532         struct rk_lcdc_win *win;
1533
1534         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1535         win = dev_drv->win[win_id];
1536         size = (win->area[0].xact) * (win->area[0].yact) << 2;
1537         dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1538         src = dsp_addr[win_id];
1539         dev_info(info->dev, "copy fb data %d x %d  from  dst_addr:%08x\n",
1540                  win->area[0].xact, win->area[0].yact, src);
1541         for (i = 0; i < size; i += PAGE_SIZE) {
1542                 void *page = phys_to_page(i + src);
1543                 void *from_virt = kmap(page);
1544                 void *to_virt = dst + i;
1545
1546                 memcpy(to_virt, from_virt, PAGE_SIZE);
1547         }
1548         dev_drv->ops->direct_set_addr(dev_drv, win_id,
1549                                       info->fix.smem_start);
1550         return 0;
1551 }
1552 #endif
1553 static int g_last_addr[5][4];
1554 static int g_now_config_addr[5][4];
1555 static int g_last_state[5][4];
1556 static int g_now_config_state[5][4];
1557 int g_last_timeout;
1558 u32 freed_addr[10];
1559 u32 freed_index;
1560
1561 #define DUMP_CHUNK 256
1562 char buf[PAGE_SIZE];
1563
1564 int rk_fb_sysmmu_fault_handler(struct device *dev,
1565                                enum rk_iommu_inttype itype,
1566                                unsigned long pgtable_base,
1567                                unsigned long fault_addr, unsigned int status)
1568 {
1569         struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1570         int i = 0, j = 0;
1571         static int page_fault_cnt;
1572
1573         if ((page_fault_cnt++) >= 10)
1574                 return 0;
1575         pr_err
1576             ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1577              fault_addr, pgtable_base, status);
1578         pr_info("last config addr:\n");
1579         for (i = 0; i < 4; i++) {
1580                 for (j = 0; j < 4; j++)
1581                         pr_info("win[%d],area[%d] = 0x%08x\n",
1582                                 i, j, g_last_addr[i][j]);
1583         }
1584         pr_info("last freed buffer:\n");
1585         for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1586                 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1587         pr_info("last timeout:%d\n", g_last_timeout);
1588         dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1589         for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1590                 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1591                         char c = buf[i + DUMP_CHUNK];
1592
1593                         buf[i + DUMP_CHUNK] = 0;
1594                         pr_cont("%s", buf + i);
1595                         buf[i + DUMP_CHUNK] = c;
1596                 } else {
1597                         buf[PAGE_SIZE - 1] = 0;
1598                         pr_cont("%s", buf + i);
1599                 }
1600         }
1601
1602         return 0;
1603 }
1604
1605 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1606                        struct rk_fb_reg_wb_data *wb_data)
1607 {
1608         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1609
1610         if (dev_drv->iommu_enabled && wb_data->ion_handle)
1611                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1612                                 wb_data->ion_handle);
1613         if (wb_data->ion_handle)
1614                 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1615 }
1616
1617 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1618                         struct rk_fb_reg_win_data *reg_win_data)
1619 {
1620         int i, index_buf;
1621         struct rk_fb_reg_area_data *area_data;
1622         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1623
1624         for (i = 0; i < reg_win_data->area_num; i++) {
1625                 area_data = &reg_win_data->reg_area_data[i];
1626                 index_buf = area_data->index_buf;
1627                 if (dev_drv->iommu_enabled) {
1628                         if (area_data->ion_handle != NULL &&
1629                             !IS_YUV_FMT(area_data->data_format))
1630                                 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1631                                                 area_data->ion_handle);
1632                         freed_addr[freed_index++] = area_data->smem_start;
1633                 }
1634                 if (area_data->ion_handle != NULL)
1635                         ion_free(rk_fb->ion_client, area_data->ion_handle);
1636
1637                 if (area_data->acq_fence)
1638                         sync_fence_put(area_data->acq_fence);
1639         }
1640 }
1641
1642 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1643                              struct rk_lcdc_win *win,
1644                              struct rk_fb_reg_win_data *reg_win_data)
1645 {
1646         int i = 0;
1647         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1648         struct rk_screen *cur_screen;
1649         struct rk_screen primary_screen;
1650
1651         if (unlikely(!inf) || unlikely(!dev_drv) ||
1652             unlikely(!win) || unlikely(!reg_win_data))
1653                 return;
1654
1655         cur_screen = dev_drv->cur_screen;
1656         rk_fb_get_prmry_screen(&primary_screen);
1657
1658         win->area_num = reg_win_data->area_num;
1659         win->id = reg_win_data->win_id;
1660         win->z_order = reg_win_data->z_order;
1661
1662         if (reg_win_data->reg_area_data[0].smem_start > 0) {
1663                 win->state = 1;
1664                 win->area_num = reg_win_data->area_num;
1665                 win->id = reg_win_data->win_id;
1666                 win->z_order = reg_win_data->z_order;
1667                 win->area[0].uv_vir_stride =
1668                     reg_win_data->reg_area_data[0].uv_vir_stride;
1669                 win->area[0].cbr_start =
1670                     reg_win_data->reg_area_data[0].cbr_start;
1671                 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1672                 win->alpha_en = reg_win_data->alpha_en;
1673                 win->alpha_mode = reg_win_data->alpha_mode;
1674                 win->g_alpha_val = reg_win_data->g_alpha_val;
1675                 /*
1676                  * reg_win_data mirror_en means that xmirror ymirror all
1677                  * enabled.
1678                  */
1679                 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1680                 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1681                 win->colorspace = reg_win_data->colorspace;
1682                 win->area[0].fbdc_en =
1683                         reg_win_data->reg_area_data[0].fbdc_en;
1684                 win->area[0].fbdc_cor_en =
1685                         reg_win_data->reg_area_data[0].fbdc_cor_en;
1686                 win->area[0].fbdc_data_format =
1687                         reg_win_data->reg_area_data[0].fbdc_data_format;
1688                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1689                         if (reg_win_data->reg_area_data[i].smem_start > 0) {
1690                                 win->area[i].format =
1691                                         reg_win_data->reg_area_data[i].data_format;
1692                                 win->area[i].ion_hdl =
1693                                         reg_win_data->reg_area_data[i].ion_handle;
1694                                 win->area[i].smem_start =
1695                                         reg_win_data->reg_area_data[i].smem_start;
1696                                 if (inf->disp_mode == DUAL ||
1697                                     inf->disp_mode == DUAL_LCD ||
1698                                     inf->disp_mode == NO_DUAL) {
1699                                         win->area[i].xpos =
1700                                                 reg_win_data->reg_area_data[i].xpos;
1701                                         win->area[i].ypos =
1702                                                 reg_win_data->reg_area_data[i].ypos;
1703                                         win->area[i].xsize =
1704                                                 reg_win_data->reg_area_data[i].xsize;
1705                                         win->area[i].ysize =
1706                                                 reg_win_data->reg_area_data[i].ysize;
1707                                 } else {
1708                                         win->area[i].xpos =
1709                                                 reg_win_data->reg_area_data[i].xpos *
1710                                                 cur_screen->mode.xres /
1711                                                 primary_screen.mode.xres;
1712                                         win->area[i].ypos =
1713                                                 reg_win_data->reg_area_data[i].ypos *
1714                                                 cur_screen->mode.yres /
1715                                                 primary_screen.mode.yres;
1716                                         win->area[i].xsize =
1717                                                 reg_win_data->reg_area_data[i].xsize *
1718                                                 cur_screen->mode.xres /
1719                                                 primary_screen.mode.xres;
1720                                         win->area[i].ysize =
1721                                                 reg_win_data->reg_area_data[i].ysize *
1722                                                 cur_screen->mode.yres /
1723                                                 primary_screen.mode.yres;
1724
1725                                         /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1726                                         if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1727                                                 if (cur_screen->xsize > 0 &&
1728                                                     cur_screen->xsize <= cur_screen->mode.xres) {
1729                                                         win->area[i].xpos =
1730                                                                 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1731                                                                 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1732                                                         win->area[i].xsize =
1733                                                                 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1734                                                 }
1735                                                 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1736                                                         win->area[i].ypos =
1737                                                                 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1738                                                                 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1739                                                         win->area[i].ysize =
1740                                                                 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1741                                                 }
1742                                         }
1743                                 }
1744                                 win->area[i].xact =
1745                                     reg_win_data->reg_area_data[i].xact;
1746                                 win->area[i].yact =
1747                                     reg_win_data->reg_area_data[i].yact;
1748                                 win->area[i].xvir =
1749                                     reg_win_data->reg_area_data[i].xvir;
1750                                 win->area[i].yvir =
1751                                     reg_win_data->reg_area_data[i].yvir;
1752                                 win->area[i].xoff =
1753                                     reg_win_data->reg_area_data[i].xoff;
1754                                 win->area[i].yoff =
1755                                     reg_win_data->reg_area_data[i].yoff;
1756                                 win->area[i].y_offset =
1757                                     reg_win_data->reg_area_data[i].y_offset;
1758                                 win->area[i].y_vir_stride =
1759                                     reg_win_data->reg_area_data[i].y_vir_stride;
1760                                 win->area[i].state = 1;
1761                                 if (dev_drv->iommu_enabled) {
1762                                         g_now_config_addr[win->id][i] =
1763                                                 win->area[i].smem_start +
1764                                                 win->area[i].y_offset;
1765                                         g_now_config_state[win->id][i] = 1;
1766                                 }
1767                         } else {
1768                                 win->area[i].state = 0;
1769                                 win->area[i].fbdc_en = 0;
1770                                 if (dev_drv->iommu_enabled) {
1771                                         g_now_config_addr[win->id][i] = 0;
1772                                         g_now_config_state[win->id][i] = 0;
1773                                 }
1774                         }
1775                 }
1776         }
1777 }
1778
1779 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1780                                                      *regs, int win_id)
1781 {
1782         int i;
1783         struct rk_fb_reg_win_data *win_data = NULL;
1784
1785         for (i = 0; i < regs->win_num; i++) {
1786                 if (regs->reg_win_data[i].win_id == win_id) {
1787                         win_data = &(regs->reg_win_data[i]);
1788                         break;
1789                 }
1790         }
1791
1792         return win_data;
1793 }
1794
1795 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1796                             struct rk_fb_reg_data *regs,
1797                             int count)
1798 {
1799         int i, j, wait_for_vsync = false;
1800         unsigned int dsp_addr[5][4];
1801         int win_status = 0;
1802
1803         if (dev_drv->ops->get_dsp_addr)
1804                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1805
1806         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1807                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1808                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1809                                 continue;
1810                         if (dev_drv->win[i]->area[j].state == 1) {
1811                                 u32 new_start =
1812                                         dev_drv->win[i]->area[j].smem_start +
1813                                         dev_drv->win[i]->area[j].y_offset;
1814                                 u32 reg_start = dsp_addr[i][j];
1815
1816                                 if (unlikely(new_start != reg_start)) {
1817                                         wait_for_vsync = true;
1818                                         dev_info(dev_drv->dev,
1819                                                  "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1820                                                  i, new_start, reg_start,
1821                                                  101 - count);
1822                                         break;
1823                                 }
1824                         } else if (dev_drv->win[i]->area[j].state == 0) {
1825                                 if (dev_drv->ops->get_win_state) {
1826                                         win_status =
1827                                         dev_drv->ops->get_win_state(dev_drv, i, j);
1828                                         if (win_status)
1829                                                 wait_for_vsync = true;
1830                                 }
1831                         } else {
1832                                 pr_err("!!!win[%d]state:%d,error!!!\n",
1833                                        i, dev_drv->win[i]->state);
1834                         }
1835                 }
1836         }
1837
1838         return wait_for_vsync;
1839 }
1840
1841 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1842 {
1843         int i, j, state, page_fault = 0;
1844         unsigned int dsp_addr[5][4];
1845
1846         if (dev_drv->ops->extern_func) {
1847                 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1848                 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1849         }
1850         if (page_fault) {
1851                 pr_info("last config:\n");
1852                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1853                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1854                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1855                                         continue;
1856                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1857                                         i, j, g_last_state[i][j], g_last_addr[i][j]);
1858                         }
1859                 }
1860
1861                 pr_info("last freed buffer:\n");
1862                 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1863                         pr_info("%d:0x%08x\n", i, freed_addr[i]);
1864
1865                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1866                 pr_info("vop now state:\n");
1867                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1868                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1869                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1870                                         continue;
1871                                 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1872                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1873                                         i, j, state, dsp_addr[i][j]);
1874                         }
1875                 }
1876                 pr_info("now config:\n");
1877                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1878                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1879                                 if ((j > 0) && (dev_drv->area_support[i] == 1))
1880                                         continue;
1881                                 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1882                                         i, j, g_now_config_state[i][j],
1883                                         g_now_config_addr[i][j]);
1884                         }
1885                 }
1886                 for (i = 0; i < DUMP_FRAME_NUM; i++)
1887                         rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1888                                            &dev_drv->tmp_regs[i], 0);
1889         }
1890
1891         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1892                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1893                         if ((j > 0) && (dev_drv->area_support[i] == 1))
1894                                 continue;
1895                         g_last_addr[i][j] = g_now_config_addr[i][j];
1896                         g_last_state[i][j] = g_now_config_state[i][j];
1897                 }
1898         }
1899
1900         return page_fault;
1901 }
1902 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1903                              struct rk_fb_reg_data *regs)
1904 {
1905         int i, j;
1906         struct rk_lcdc_win *win;
1907         ktime_t timestamp = dev_drv->vsync_info.timestamp;
1908         struct rk_fb_reg_win_data *win_data;
1909         bool wait_for_vsync;
1910         int count = 100;
1911         long timeout;
1912         int pagefault = 0;
1913
1914         if (dev_drv->suspend_flag == 1) {
1915 #ifdef H_USE_FENCE
1916                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1917 #endif
1918                 for (i = 0; i < regs->win_num; i++) {
1919                         win_data = &regs->reg_win_data[i];
1920                         rk_fb_free_dma_buf(dev_drv, win_data);
1921                 }
1922                 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1923                         rk_fb_free_wb_buf(dev_drv, &regs->reg_wb_data);
1924                 kfree(regs);
1925                 return;
1926         }
1927         /* acq_fence wait */
1928         for (i = 0; i < regs->win_num; i++) {
1929                 win_data = &regs->reg_win_data[i];
1930                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1931                         if (win_data->reg_area_data[j].acq_fence)
1932                                 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1933                 }
1934         }
1935
1936         mutex_lock(&dev_drv->win_config);
1937         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1938                 win = dev_drv->win[i];
1939                 win_data = rk_fb_get_win_data(regs, i);
1940                 if (win_data) {
1941                         rk_fb_update_win(dev_drv, win, win_data);
1942                         win->state = 1;
1943                         dev_drv->ops->set_par(dev_drv, i);
1944                         dev_drv->ops->pan_display(dev_drv, i);
1945                 } else {
1946                         win->z_order = -1;
1947                         win->state = 0;
1948                         for (j = 0; j < 4; j++) {
1949                                 win->area[j].state = 0;
1950                                 win->area[j].fbdc_en = 0;
1951                         }
1952                         if (dev_drv->iommu_enabled) {
1953                                 for (j = 0; j < 4; j++) {
1954                                         g_now_config_addr[i][j] = 0;
1955                                         g_now_config_state[i][j] = 0;
1956                                 }
1957                         }
1958                 }
1959         }
1960         dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1961
1962         if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1963                 memcpy(&dev_drv->wb_data, &regs->reg_wb_data,
1964                        sizeof(struct rk_fb_reg_wb_data));
1965                 if (dev_drv->ops->set_wb)
1966                         dev_drv->ops->set_wb(dev_drv);
1967         }
1968
1969         if (rk_fb_iommu_debug > 0)
1970                 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1971
1972         if (pagefault == 0)
1973                 dev_drv->ops->cfg_done(dev_drv);
1974         else
1975                 sw_sync_timeline_inc(dev_drv->timeline, 1);
1976         mutex_unlock(&dev_drv->win_config);
1977
1978         do {
1979                 timestamp = dev_drv->vsync_info.timestamp;
1980                 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1981                                 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1982                                 msecs_to_jiffies(50));
1983
1984                 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1985         } while (wait_for_vsync && count--);
1986 #ifdef H_USE_FENCE
1987         sw_sync_timeline_inc(dev_drv->timeline, 1);
1988 #endif
1989
1990         if (dev_drv->front_regs) {
1991                 if (dev_drv->iommu_enabled) {
1992                         if (dev_drv->ops->mmu_en)
1993                                 dev_drv->ops->mmu_en(dev_drv);
1994                         freed_index = 0;
1995                         g_last_timeout = timeout;
1996                 }
1997
1998                 mutex_lock(&dev_drv->front_lock);
1999
2000                 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
2001                         win_data = &dev_drv->front_regs->reg_win_data[i];
2002                         rk_fb_free_dma_buf(dev_drv, win_data);
2003                 }
2004                 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2005                         rk_fb_free_wb_buf(dev_drv,
2006                                           &dev_drv->front_regs->reg_wb_data);
2007                 kfree(dev_drv->front_regs);
2008
2009                 mutex_unlock(&dev_drv->front_lock);
2010
2011                 if (dev_drv->iommu_enabled)
2012                         freed_addr[freed_index] = 0xfefefefe;
2013         }
2014
2015         mutex_lock(&dev_drv->front_lock);
2016
2017         dev_drv->front_regs = regs;
2018
2019         mutex_unlock(&dev_drv->front_lock);
2020
2021         trace_buffer_dump(&fb_pdev->dev, dev_drv);
2022 }
2023
2024 static void rk_fb_update_regs_handler(struct kthread_work *work)
2025 {
2026         struct rk_lcdc_driver *dev_drv =
2027             container_of(work, struct rk_lcdc_driver, update_regs_work);
2028         struct rk_fb_reg_data *data, *next;
2029
2030         mutex_lock(&dev_drv->update_regs_list_lock);
2031         dev_drv->saved_list = dev_drv->update_regs_list;
2032         list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
2033         mutex_unlock(&dev_drv->update_regs_list_lock);
2034
2035         list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
2036                 list_del(&data->list);
2037                 rk_fb_update_reg(dev_drv, data);
2038         }
2039
2040         if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2041                 wake_up(&dev_drv->update_regs_wait);
2042 }
2043
2044 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2045                                   struct rk_screen *screen)
2046 {
2047         if (area_par->phy_addr > 0)
2048                 pr_err("%s[%d], phy_addr = 0x%x\n",
2049                        __func__, __LINE__, area_par->phy_addr);
2050         if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2051             (area_par->xact <= 0) || (area_par->yact <= 0) ||
2052             (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2053                 pr_err("check config var fail 0:\n"
2054                        "x_offset=%d,xact=%d,xvir=%d\n",
2055                        area_par->x_offset, area_par->xact, area_par->xvir);
2056                 return -EINVAL;
2057         }
2058
2059         if ((area_par->xpos >= screen->mode.xres) ||
2060             (area_par->ypos >= screen->mode.yres) ||
2061             ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2062                 pr_warn("check config var fail 1:\n"
2063                         "xpos=%d,xsize=%d,xres=%d\n"
2064                         "ypos=%d,ysize=%d,yres=%d\n",
2065                         area_par->xpos, area_par->xsize, screen->mode.xres,
2066                         area_par->ypos, area_par->ysize, screen->mode.yres);
2067                 return -EINVAL;
2068         }
2069         return 0;
2070 }
2071
2072 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2073                               struct rk_fb_win_cfg_data *win_data,
2074                               struct rk_fb_reg_data *regs, u32 cmd)
2075 {
2076         int i, j;
2077         struct rk_fb_win_par *win_par;
2078         struct rk_fb_area_par *area_par;
2079         struct rk_fb_reg_win_data *reg_win_data;
2080         struct rk_fb_reg_area_data *area_data;
2081
2082         rk_fb_dbg(cmd, "-------------frame start-------------\n");
2083         rk_fb_dbg(cmd, "user config:\n");
2084         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2085                 win_par = &(win_data->win_par[i]);
2086                 if ((win_par->area_par[0].ion_fd <= 0) &&
2087                     (win_par->area_par[0].phy_addr <= 0))
2088                         continue;
2089                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2090                           win_par->win_id, win_par->z_order,
2091                           win_par->g_alpha_val);
2092                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2093                         area_par = &(win_par->area_par[j]);
2094                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2095                             ((win_par->area_par[j].ion_fd <= 0) &&
2096                              (win_par->area_par[j].phy_addr <= 0)))
2097                                 continue;
2098                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2099                                   j, area_par->data_format, area_par->ion_fd,
2100                                   area_par->phy_addr, area_par->x_offset,
2101                                   area_par->y_offset);
2102                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2103                                   area_par->xpos, area_par->ypos,
2104                                   area_par->xsize, area_par->ysize);
2105                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2106                                   area_par->xact, area_par->yact,
2107                                   area_par->xvir, area_par->yvir);
2108                 }
2109         }
2110
2111         rk_fb_dbg(cmd, "regs data:\n");
2112         rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2113                   regs->win_num, regs->buf_num);
2114         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2115                 reg_win_data = &(regs->reg_win_data[i]);
2116                 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2117                         continue;
2118                 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2119                           reg_win_data->win_id, reg_win_data->z_order,
2120                           reg_win_data->area_num, reg_win_data->area_buf_num);
2121                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2122                         area_data = &(reg_win_data->reg_area_data[j]);
2123                         if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2124                             (area_data->smem_start <= 0))
2125                                 continue;
2126                         rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2127                                   j, area_data->data_format, area_data->ion_handle,
2128                                   area_data->smem_start, area_data->cbr_start);
2129                         rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2130                                   area_data->y_offset, area_data->c_offset, area_data->buff_len);
2131                         rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2132                                   area_data->xpos, area_data->ypos,
2133                                   area_data->xsize, area_data->ysize);
2134                         rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2135                                   area_data->xact, area_data->yact,
2136                                   area_data->xvir, area_data->yvir);
2137                 }
2138         }
2139         rk_fb_dbg(cmd, "-------------frame end---------------\n");
2140
2141         return 0;
2142 }
2143 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2144                                struct rk_fb_win_cfg_data *win_cfg,
2145                                struct rk_fb_reg_data *regs)
2146 {
2147         int i;
2148
2149         /*2->1->0: 0 is newest*/
2150         for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2151                 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2152                        &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2153                        sizeof(struct rk_fb_win_cfg_data));
2154                 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2155                        &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2156                        sizeof(struct rk_fb_reg_data));
2157         }
2158
2159         memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2160                sizeof(struct rk_fb_win_cfg_data));
2161         memcpy(&dev_drv->tmp_regs[0], regs,
2162                sizeof(struct rk_fb_reg_data));
2163
2164         return 0;
2165 }
2166
2167 static int rk_fb_set_wb_buffer(struct fb_info *info,
2168                                struct rk_fb_wb_cfg *wb_cfg,
2169                                struct rk_fb_reg_wb_data *wb_data)
2170 {
2171         int ret = 0;
2172         ion_phys_addr_t phy_addr;
2173         size_t len;
2174         u8 fb_data_fmt;
2175         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2176         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2177         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2178
2179         if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2180                 wb_data->state = 0;
2181                 return 0;
2182         }
2183         if (wb_cfg->phy_addr == 0) {
2184                 wb_data->ion_handle =
2185                     ion_import_dma_buf(rk_fb->ion_client,
2186                                        wb_cfg->ion_fd);
2187                 if (IS_ERR(wb_data->ion_handle)) {
2188                         pr_info("Could not import handle: %ld\n",
2189                                 (long)wb_data->ion_handle);
2190                         return -EINVAL;
2191                 }
2192                 if (dev_drv->iommu_enabled)
2193                         ret = ion_map_iommu(dev_drv->dev,
2194                                             rk_fb->ion_client,
2195                                             wb_data->ion_handle,
2196                                             (unsigned long *)&phy_addr,
2197                                             (unsigned long *)&len);
2198                 else
2199                         ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2200                                        &phy_addr, &len);
2201                 if (ret < 0) {
2202                         pr_err("ion map to get phy addr failed\n");
2203                         ion_free(rk_fb->ion_client, wb_data->ion_handle);
2204                         return -ENOMEM;
2205                 }
2206                 wb_data->smem_start = phy_addr;
2207         } else {
2208                 wb_data->smem_start = wb_cfg->phy_addr;
2209         }
2210
2211         fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2212         if (IS_YUV_FMT(fb_data_fmt))
2213                 wb_data->cbr_start = wb_data->smem_start +
2214                                         wb_cfg->xsize * wb_cfg->ysize;
2215         wb_data->xsize = wb_cfg->xsize;
2216         wb_data->ysize = wb_cfg->ysize;
2217         wb_data->data_format = fb_data_fmt;
2218         wb_data->state = 1;
2219
2220         return 0;
2221 }
2222
2223 static int rk_fb_set_win_buffer(struct fb_info *info,
2224                                 struct rk_fb_win_par *win_par,
2225                                 struct rk_fb_reg_win_data *reg_win_data)
2226 {
2227         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2228         struct fb_fix_screeninfo *fix = &info->fix;
2229         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2230         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2231         /*if hdmi size move to hwc,screen should point to cur_screen
2232          *otherwise point to screen0[main screen]*/
2233         struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2234         struct fb_info *fbi;
2235         int i, ion_fd, acq_fence_fd;
2236         u32 xvir = 0, yvir = 0;
2237         u32 xoffset = 0, yoffset = 0;
2238
2239         struct ion_handle *hdl;
2240         size_t len;
2241         int index_buf = 0;
2242         u8 fb_data_fmt = 0;
2243         u8 pixel_width = 0;
2244         u32 vir_width_bit = 0;
2245         u32 stride = 0, uv_stride = 0;
2246         u32 stride_32bit_1 = 0;
2247         u32 stride_32bit_2 = 0;
2248         u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2249         u8 is_pic_yuv = 0;
2250         u8 ppixel_a = 0, global_a = 0;
2251         ion_phys_addr_t phy_addr;
2252         int ret = 0;
2253         int buff_len = 0;
2254
2255         reg_win_data->reg_area_data[0].smem_start = -1;
2256         reg_win_data->area_num = 0;
2257         fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2258         if (win_par->area_par[0].phy_addr == 0) {
2259                 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2260                         ion_fd = win_par->area_par[i].ion_fd;
2261                         if (ion_fd > 0) {
2262                                 hdl =
2263                                     ion_import_dma_buf(rk_fb->ion_client,
2264                                                        ion_fd);
2265                                 if (IS_ERR(hdl)) {
2266                                         pr_info("%s: win[%d]area[%d] can't import handle\n",
2267                                                 __func__, win_par->win_id, i);
2268                                         pr_info("fd: %d, hdl: 0x%p, ion_client: 0x%p\n",
2269                                                 ion_fd, hdl, rk_fb->ion_client);
2270                                         return -EINVAL;
2271                                         break;
2272                                 }
2273                                 reg_win_data->reg_area_data[i].ion_handle = hdl;
2274                                 if (dev_drv->iommu_enabled)
2275                                         ret = ion_map_iommu(dev_drv->dev,
2276                                                             rk_fb->ion_client,
2277                                                             hdl,
2278                                                             (unsigned long *)&phy_addr,
2279                                                             (unsigned long *)&len);
2280                                 else
2281                                         ret = ion_phys(rk_fb->ion_client, hdl,
2282                                                        &phy_addr, &len);
2283                                 if (ret < 0) {
2284                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
2285                                         ion_free(rk_fb->ion_client, hdl);
2286                                         return -ENOMEM;
2287                                 }
2288                                 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2289                                 reg_win_data->area_num++;
2290                                 reg_win_data->area_buf_num++;
2291                                 reg_win_data->reg_area_data[i].index_buf = 1;
2292                                 reg_win_data->reg_area_data[i].buff_len = len;
2293                         }
2294                 }
2295         } else {
2296                 reg_win_data->reg_area_data[0].smem_start =
2297                     win_par->area_par[0].phy_addr;
2298                 reg_win_data->area_num = 1;
2299                 reg_win_data->area_buf_num++;
2300                 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2301         }
2302
2303         if (reg_win_data->area_num == 0) {
2304                 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2305                         reg_win_data->reg_area_data[i].smem_start = 0;
2306                 reg_win_data->z_order = -1;
2307                 reg_win_data->win_id = -1;
2308                 return 0;
2309         }
2310
2311         for (i = 0; i < reg_win_data->area_num; i++) {
2312                 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2313                 index_buf = reg_win_data->reg_area_data[i].index_buf;
2314                 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2315                         reg_win_data->reg_area_data[i].acq_fence =
2316                             sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2317                 }
2318         }
2319         if (reg_win_data->reg_area_data[0].smem_start > 0) {
2320                 reg_win_data->z_order = win_par->z_order;
2321                 reg_win_data->win_id = win_par->win_id;
2322         } else {
2323                 reg_win_data->z_order = -1;
2324                 reg_win_data->win_id = -1;
2325         }
2326
2327         reg_win_data->mirror_en = win_par->mirror_en;
2328         for (i = 0; i < reg_win_data->area_num; i++) {
2329                 u8 data_format = win_par->area_par[i].data_format;
2330                 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2331                 reg_win_data->colorspace = CSC_FORMAT(data_format);
2332                 data_format &= ~CSC_MASK;
2333                 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2334                 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2335                 if (IS_FBDC_FMT(fb_data_fmt)) {
2336                         reg_win_data->reg_area_data[i].fbdc_en = 1;
2337                         reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2338                 } else {
2339                         reg_win_data->reg_area_data[i].fbdc_en = 0;
2340                         reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2341                 }
2342                 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2343
2344                 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2345                              (fb_data_fmt == FBDC_ARGB_888) ||
2346                              (fb_data_fmt == FBDC_ABGR_888) ||
2347                              (fb_data_fmt == ABGR888)) ? 1 : 0;
2348                 /*act_height should be 2 pix align for interlace output*/
2349                 if (win_par->area_par[i].yact % 2 == 1) {
2350                         win_par->area_par[i].yact  -= 1;
2351                         win_par->area_par[i].ysize -= 1;
2352                 }
2353
2354                 /* buf offset should be 2 pix align*/
2355                 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2356                     IS_YUV_FMT(fb_data_fmt)) {
2357                         win_par->area_par[i].x_offset += 1;
2358                         win_par->area_par[i].xact -= 1;
2359                 }
2360
2361                 /* visiable pos in panel */
2362                 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2363                 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2364
2365                 /* realy size in panel */
2366                 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2367                 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2368
2369                 /* realy size in panel */
2370                 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2371                 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2372
2373                 xoffset = win_par->area_par[i].x_offset;        /* buf offset */
2374                 yoffset = win_par->area_par[i].y_offset;
2375                 reg_win_data->reg_area_data[i].xoff = xoffset;
2376                 reg_win_data->reg_area_data[i].yoff = yoffset;
2377
2378                 xvir = win_par->area_par[i].xvir;
2379                 reg_win_data->reg_area_data[i].xvir = xvir;
2380                 yvir = win_par->area_par[i].yvir;
2381                 reg_win_data->reg_area_data[i].yvir = yvir;
2382
2383                 vir_width_bit = pixel_width * xvir;
2384                 /* pixel_width = byte_num*8 */
2385                 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2386                 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2387
2388                 stride = stride_32bit_1;        /* default rgb */
2389                 fix->line_length = stride;
2390                 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2391
2392                 /* x y mirror ,jump line
2393                  * reg_win_data->reg_area_data[i].y_offset =
2394                  *              yoffset*stride+xoffset*pixel_width/8;
2395                  */
2396                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2397                         if (screen->interlace == 1) {
2398                                 reg_win_data->reg_area_data[i].y_offset =
2399                                     yoffset * stride * 2 +
2400                                     ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2401                                     xoffset * pixel_width / 8;
2402                         } else {
2403                                 reg_win_data->reg_area_data[i].y_offset =
2404                                     yoffset * stride +
2405                                     (reg_win_data->reg_area_data[i].yact - 1) * stride +
2406                                     xoffset * pixel_width / 8;
2407                         }
2408                 } else {
2409                         if (screen->interlace == 1) {
2410                                 reg_win_data->reg_area_data[i].y_offset =
2411                                     yoffset * stride * 2 +
2412                                     xoffset * pixel_width / 8;
2413                         } else {
2414                                 reg_win_data->reg_area_data[i].y_offset =
2415                                     yoffset * stride +
2416                                     xoffset * pixel_width / 8;
2417                         }
2418                 }
2419                 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2420                         buff_len = reg_win_data->reg_area_data[i].y_offset +
2421                                 reg_win_data->reg_area_data[i].xvir *
2422                                 reg_win_data->reg_area_data[i].yact *
2423                                 pixel_width / 8 -
2424                                 reg_win_data->reg_area_data[i].xoff*
2425                                 pixel_width / 8;
2426                         if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2427                                 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2428                                        "yact[%d]*bpp[%d]"
2429                                        "=buff_len[0x%x]>>mmu len=0x%x\n",
2430                                        fb_data_fmt,
2431                                        reg_win_data->reg_area_data[i].xvir,
2432                                        reg_win_data->reg_area_data[i].yact,
2433                                        pixel_width, buff_len,
2434                                        reg_win_data->reg_area_data[i].buff_len);
2435                 }
2436         }
2437
2438         global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2439         reg_win_data->alpha_en = ppixel_a | global_a;
2440         reg_win_data->g_alpha_val = win_par->g_alpha_val;
2441         reg_win_data->alpha_mode = win_par->alpha_mode;
2442
2443         switch (fb_data_fmt) {
2444         case YUV422:
2445         case YUV422_A:
2446                 is_pic_yuv = 1;
2447                 stride = stride_32bit_1;
2448                 uv_stride = stride_32bit_1;
2449                 uv_x_off = xoffset;
2450                 uv_y_off = yoffset;
2451                 fix->line_length = stride;
2452                 uv_y_act = win_par->area_par[0].yact >> 1;
2453                 break;
2454         case YUV420:            /* nv12 */
2455         case YUV420_NV21:       /* nv21 */
2456         case YUV420_A:
2457                 is_pic_yuv = 1;
2458                 stride = stride_32bit_1;
2459                 uv_stride = stride_32bit_1;
2460                 uv_x_off = xoffset;
2461                 uv_y_off = yoffset >> 1;
2462                 fix->line_length = stride;
2463                 uv_y_act = win_par->area_par[0].yact >> 1;
2464                 break;
2465         case YUV444:
2466         case YUV444_A:
2467                 is_pic_yuv = 1;
2468                 stride = stride_32bit_1;
2469                 uv_stride = stride_32bit_2;
2470                 uv_x_off = xoffset * 2;
2471                 uv_y_off = yoffset;
2472                 fix->line_length = stride << 2;
2473                 uv_y_act = win_par->area_par[0].yact;
2474                 break;
2475         default:
2476                 break;
2477         }
2478         if (is_pic_yuv == 1) {
2479                 reg_win_data->reg_area_data[0].cbr_start =
2480                     reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2481                 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2482                 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2483                         if (screen->interlace == 1) {
2484                                 reg_win_data->reg_area_data[0].c_offset =
2485                                     uv_y_off * uv_stride * 2 +
2486                                     ((uv_y_act - 1) * 2 + 1) * uv_stride +
2487                                     uv_x_off * pixel_width / 8;
2488                         } else {
2489                                 reg_win_data->reg_area_data[0].c_offset =
2490                                     uv_y_off * uv_stride +
2491                                     (uv_y_act - 1) * uv_stride +
2492                                     uv_x_off * pixel_width / 8;
2493                         }
2494                 } else {
2495                         if (screen->interlace == 1) {
2496                                 reg_win_data->reg_area_data[0].c_offset =
2497                                     uv_y_off * uv_stride * 2 +
2498                                     uv_x_off * pixel_width / 8;
2499                         } else {
2500                                 reg_win_data->reg_area_data[0].c_offset =
2501                                     uv_y_off * uv_stride +
2502                                     uv_x_off * pixel_width / 8;
2503                         }
2504                 }
2505                 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2506                         reg_win_data->reg_area_data[0].c_offset +
2507                         reg_win_data->reg_area_data[0].xvir *
2508                         reg_win_data->reg_area_data[0].yact *
2509                         pixel_width / 16 -
2510                         reg_win_data->reg_area_data[0].smem_start -
2511                         reg_win_data->reg_area_data[0].xoff*
2512                         pixel_width / 16;
2513                 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2514                      dev_drv->iommu_enabled)
2515                         pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2516                                "yact[%d]*bpp[%d]"
2517                                "=buff_len[0x%x]>>mmu len=0x%x\n",
2518                                fb_data_fmt,
2519                                reg_win_data->reg_area_data[0].xvir,
2520                                reg_win_data->reg_area_data[0].yact,
2521                                pixel_width, buff_len,
2522                                reg_win_data->reg_area_data[0].buff_len);
2523         }
2524
2525         /* record buffer information for rk_fb_disp_scale to prevent fence
2526          * timeout because rk_fb_disp_scale will call function
2527          * info->fbops->fb_set_par(info);
2528          * delete by hjc for new hdmi overscan framework.
2529          */
2530         /* info->var.yoffset = yoffset;
2531          * info->var.xoffset = xoffset;
2532          */
2533         return 0;
2534 }
2535
2536 static int rk_fb_set_win_config(struct fb_info *info,
2537                                 struct rk_fb_win_cfg_data *win_data)
2538 {
2539         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2540         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2541         struct rk_fb_reg_data *regs;
2542 #ifdef H_USE_FENCE
2543         struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2544         struct sync_fence *retire_fence;
2545         struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2546         struct sync_pt *retire_sync_pt;
2547         char fence_name[20];
2548 #endif
2549         int ret = 0, i, j = 0;
2550         int list_is_empty = 0;
2551         struct rk_screen *screen = dev_drv->cur_screen;
2552
2553         mutex_lock(&dev_drv->output_lock);
2554
2555         for (i = 0; i < 4; i++) {
2556                 for (j = 0; j < 4; j++) {
2557                         if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2558                             (win_data->win_par[i].area_par[j].phy_addr > 0))
2559                                 ret += rk_fb_check_config_var(
2560                                         &win_data->win_par[i].area_par[j],
2561                                         screen);
2562                 }
2563         }
2564         if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2565                 dev_drv->timeline_max++;
2566                 sw_sync_timeline_inc(dev_drv->timeline, 1);
2567                 if (dev_drv->suspend_flag)
2568                         pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2569                 else if (dev_drv->hdmi_switch)
2570                         pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2571                 else
2572                         pr_err("error config ,ignore\n");
2573                 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2574                         win_data->rel_fence_fd[j] = -1;
2575                 win_data->ret_fence_fd = -1;
2576                 goto err;
2577         }
2578
2579         regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2580         if (!regs) {
2581                 pr_info("could not allocate rk_fb_reg_data\n");
2582                 ret = -ENOMEM;
2583                 goto err;
2584         }
2585
2586         for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2587                 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2588                         if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2589                                                  &regs->reg_win_data[j])) {
2590                                 ret = -ENOMEM;
2591                                 pr_info("error:%s[%d]\n", __func__, __LINE__);
2592                                 goto err2;
2593                         }
2594                         if (regs->reg_win_data[j].area_num > 0) {
2595                                 regs->win_num++;
2596                                 regs->buf_num +=
2597                                     regs->reg_win_data[j].area_buf_num;
2598                         }
2599                         j++;
2600                 } else {
2601                         pr_info("error:win_id bigger than lcdc_win_num\n");
2602                         pr_info("i=%d,win_id=%d\n", i,
2603                                 win_data->win_par[i].win_id);
2604                 }
2605         }
2606         if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2607                 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2608                                     &regs->reg_wb_data);
2609         if (regs->win_num <= 0)
2610                 goto err_null_frame;
2611
2612         dev_drv->timeline_max++;
2613 #ifdef H_USE_FENCE
2614         win_data->ret_fence_fd = get_unused_fd_flags(0);
2615         if (win_data->ret_fence_fd < 0) {
2616                 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2617                 win_data->ret_fence_fd = -1;
2618                 ret = -EFAULT;
2619                 goto err2;
2620         }
2621         for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2622                 if (i < regs->buf_num) {
2623                         sprintf(fence_name, "fence%d", i);
2624                         win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2625                         if (win_data->rel_fence_fd[i] < 0) {
2626                                 pr_info("rel_fence_fd=%d\n",
2627                                         win_data->rel_fence_fd[i]);
2628                                 ret = -EFAULT;
2629                                 goto err2;
2630                         }
2631                         release_sync_pt[i] =
2632                             sw_sync_pt_create(dev_drv->timeline,
2633                                               dev_drv->timeline_max);
2634                         release_fence[i] =
2635                             sync_fence_create(fence_name, release_sync_pt[i]);
2636                         sync_fence_install(release_fence[i],
2637                                            win_data->rel_fence_fd[i]);
2638                 } else {
2639                         win_data->rel_fence_fd[i] = -1;
2640                 }
2641         }
2642
2643         retire_sync_pt =
2644             sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2645         retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2646         sync_fence_install(retire_fence, win_data->ret_fence_fd);
2647 #else
2648         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2649                 win_data->rel_fence_fd[i] = -1;
2650
2651         win_data->ret_fence_fd = -1;
2652 #endif
2653         if (dev_drv->wait_fs == 0) {
2654                 mutex_lock(&dev_drv->update_regs_list_lock);
2655                 list_add_tail(&regs->list, &dev_drv->update_regs_list);
2656                 mutex_unlock(&dev_drv->update_regs_list_lock);
2657                 queue_kthread_work(&dev_drv->update_regs_worker,
2658                                    &dev_drv->update_regs_work);
2659         } else {
2660                 mutex_lock(&dev_drv->update_regs_list_lock);
2661                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2662                                         list_empty(&dev_drv->saved_list);
2663                 mutex_unlock(&dev_drv->update_regs_list_lock);
2664                 if (!list_is_empty) {
2665                         ret = wait_event_timeout(dev_drv->update_regs_wait,
2666                                 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2667                                 msecs_to_jiffies(60));
2668                         if (ret > 0)
2669                                 rk_fb_update_reg(dev_drv, regs);
2670                         else
2671                                 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2672                 } else if (ret == 0) {
2673                         rk_fb_update_reg(dev_drv, regs);
2674                 }
2675         }
2676         if (rk_fb_debug_lvl > 0)
2677                 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2678         if (rk_fb_iommu_debug > 0)
2679                 rk_fb_config_backup(dev_drv, win_data, regs);
2680 err:
2681         mutex_unlock(&dev_drv->output_lock);
2682         return ret;
2683 err_null_frame:
2684         for (j = 0; j < RK_MAX_BUF_NUM; j++)
2685                 win_data->rel_fence_fd[j] = -1;
2686         win_data->ret_fence_fd = -1;
2687         pr_info("win num = %d,null frame\n", regs->win_num);
2688 err2:
2689         rk_fb_config_debug(dev_drv, win_data, regs, 0);
2690         kfree(regs);
2691         mutex_unlock(&dev_drv->output_lock);
2692
2693         return ret;
2694 }
2695
2696 #if 1
2697 static int cfgdone_distlist[10] = { 0 };
2698
2699 static int cfgdone_index;
2700 static int cfgdone_lasttime;
2701
2702 int rk_get_real_fps(int before)
2703 {
2704         struct timespec now;
2705         int dist_curr;
2706         int dist_total = 0;
2707         int dist_count = 0;
2708         int dist_first = 0;
2709
2710         int index = cfgdone_index;
2711         int i = 0, fps = 0;
2712         int total;
2713
2714         if (before > 100)
2715                 before = 100;
2716         if (before < 0)
2717                 before = 0;
2718
2719         getnstimeofday(&now);
2720         dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2721                         cfgdone_lasttime;
2722         total = dist_curr;
2723         for (i = 0; i < 10; i++) {
2724                 if (--index < 0)
2725                         index = 9;
2726                 total += cfgdone_distlist[index];
2727                 if (i == 0)
2728                         dist_first = cfgdone_distlist[index];
2729                 if (total < (before * 1000)) {
2730                         dist_total += cfgdone_distlist[index];
2731                         dist_count++;
2732                 } else {
2733                         break;
2734                 }
2735         }
2736
2737         dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2738         dist_total += dist_curr;
2739         dist_count++;
2740
2741         if (dist_total > 0)
2742                 fps = (1000000 * dist_count) / dist_total;
2743         else
2744                 fps = 60;
2745
2746         return fps;
2747 }
2748 EXPORT_SYMBOL(rk_get_real_fps);
2749
2750 #endif
2751 #define ION_MAX 10
2752 static struct ion_handle *ion_hanle[ION_MAX];
2753 static struct ion_handle *ion_hwc[1];
2754 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2755                        unsigned long arg)
2756 {
2757         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2758         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2759         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2760         struct fb_fix_screeninfo *fix = &info->fix;
2761         struct rk_lcdc_win *win;
2762         int enable;     /* enable fb:1 enable;0 disable */
2763         int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2764         int num_buf;    /* buffer_number */
2765         int ret = 0;
2766         struct rk_fb_win_cfg_data win_data;
2767         unsigned int dsp_addr[4][4];
2768         int list_stat;
2769
2770         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2771         void __user *argp = (void __user *)arg;
2772
2773         win = dev_drv->win[win_id];
2774         switch (cmd) {
2775         case RK_FBIOSET_HWC_ADDR:
2776         {
2777                 u32 hwc_phy[1];
2778
2779                 if (copy_from_user(hwc_phy, argp, 4))
2780                         return -EFAULT;
2781                 if (!dev_drv->iommu_enabled) {
2782                         fix->smem_start = hwc_phy[0];
2783                 } else {
2784                         int usr_fd;
2785                         struct ion_handle *hdl;
2786                         ion_phys_addr_t phy_addr;
2787                         size_t len;
2788
2789                         usr_fd = hwc_phy[0];
2790                         if (!usr_fd) {
2791                                 fix->smem_start = 0;
2792                                 fix->mmio_start = 0;
2793                                 dev_drv->ops->open(dev_drv, win_id, 0);
2794                                 break;
2795                         }
2796
2797                         if (ion_hwc[0] != 0) {
2798                                 ion_free(rk_fb->ion_client, ion_hwc[0]);
2799                                 ion_hwc[0] = 0;
2800                         }
2801
2802                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2803                         if (IS_ERR(hdl)) {
2804                                 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2805                                         PTR_ERR(hdl));
2806                                 return -EFAULT;
2807                         }
2808
2809                         ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2810                                             (unsigned long *)&phy_addr,
2811                                             (unsigned long *)&len);
2812                         if (ret < 0) {
2813                                 dev_err(info->dev, "ion map to get hwc phy addr failed");
2814                                 ion_free(rk_fb->ion_client, hdl);
2815                                 return -ENOMEM;
2816                         }
2817                         fix->smem_start = phy_addr;
2818                         ion_hwc[0] = hdl;
2819                 }
2820                 break;
2821         }
2822         case RK_FBIOSET_YUV_ADDR:
2823                 {
2824                         u32 yuv_phy[2];
2825
2826                         if (copy_from_user(yuv_phy, argp, 8))
2827                                 return -EFAULT;
2828                         if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2829                                 fix->smem_start = yuv_phy[0];
2830                                 fix->mmio_start = yuv_phy[1];
2831                         } else {
2832                                 int usr_fd, offset, tmp;
2833                                 struct ion_handle *hdl;
2834                                 ion_phys_addr_t phy_addr;
2835                                 size_t len;
2836
2837                                 usr_fd = yuv_phy[0];
2838                                 offset = yuv_phy[1] - yuv_phy[0];
2839                                 if (!usr_fd) {
2840                                         fix->smem_start = 0;
2841                                         fix->mmio_start = 0;
2842                                         break;
2843                                 }
2844
2845                                 if (ion_hanle[ION_MAX - 1] != 0) {
2846                                         /*ion_unmap_kernel(rk_fb->ion_client,
2847                                          *      ion_hanle[ION_MAX - 1]);
2848                                          *ion_unmap_iommu(dev_drv->dev,
2849                                          *      rk_fb->ion_client,
2850                                          *      ion_hanle[ION_MAX - 1]);
2851                                          */
2852                                         ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2853                                         ion_hanle[ION_MAX - 1] = 0;
2854                                 }
2855
2856                                 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2857                                 if (IS_ERR(hdl)) {
2858                                         dev_err(info->dev, "failed to get ion handle:%ld\n",
2859                                                 PTR_ERR(hdl));
2860                                         return -EFAULT;
2861                                 }
2862
2863                                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2864                                                     (unsigned long *)&phy_addr,
2865                                                     (unsigned long *)&len);
2866                                 if (ret < 0) {
2867                                         dev_err(info->dev, "ion map to get phy addr failed");
2868                                         ion_free(rk_fb->ion_client, hdl);
2869                                         return -ENOMEM;
2870                                 }
2871                                 fix->smem_start = phy_addr;
2872                                 fix->mmio_start = phy_addr + offset;
2873                                 fix->smem_len = len;
2874                                 /*info->screen_base =
2875                                  *      ion_map_kernel(rk_fb->ion_client, hdl);
2876                                  */
2877                                 ion_hanle[0] = hdl;
2878                                 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2879                                         ion_hanle[tmp] = ion_hanle[tmp - 1];
2880                                 ion_hanle[0] = 0;
2881                         }
2882                         break;
2883                 }
2884         case RK_FBIOSET_ENABLE:
2885                 if (copy_from_user(&enable, argp, sizeof(enable)))
2886                         return -EFAULT;
2887                                 if (enable && fb_par->state)
2888                                         fb_par->state++;
2889                                 else
2890                                         fb_par->state--;
2891                 dev_drv->ops->open(dev_drv, win_id, enable);
2892                 break;
2893         case RK_FBIOGET_ENABLE:
2894                 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2895                 if (copy_to_user(argp, &enable, sizeof(enable)))
2896                         return -EFAULT;
2897                 break;
2898         case RK_FBIOSET_OVERLAY_STA:
2899                 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2900                         return -EFAULT;
2901                 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2902                 break;
2903         case RK_FBIOGET_OVERLAY_STA:
2904                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2905                 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2906                         return -EFAULT;
2907                 break;
2908         case RK_FBIOPUT_NUM_BUFFERS:
2909                 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2910                         return -EFAULT;
2911                 dev_drv->num_buf = num_buf;
2912                 break;
2913         case RK_FBIOSET_VSYNC_ENABLE:
2914                 if (copy_from_user(&enable, argp, sizeof(enable)))
2915                         return -EFAULT;
2916                 if (enable)
2917                         dev_drv->vsync_info.active++;
2918                 else
2919                         dev_drv->vsync_info.active--;
2920                 break;
2921         case RK_FBIOGET_DSP_ADDR:
2922                 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2923                 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2924                         return -EFAULT;
2925                 break;
2926         case RK_FBIOGET_LIST_STA:
2927                 list_stat = rk_fb_get_list_stat(dev_drv);
2928                 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2929                         return -EFAULT;
2930
2931                 break;
2932         case RK_FBIOGET_IOMMU_STA:
2933                 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2934                                  sizeof(dev_drv->iommu_enabled)))
2935                         return -EFAULT;
2936                 break;
2937 #if defined(CONFIG_ION_ROCKCHIP)
2938         case RK_FBIOSET_DMABUF_FD:
2939                 {
2940                         int usr_fd;
2941                         struct ion_handle *hdl;
2942                         ion_phys_addr_t phy_addr;
2943                         size_t len;
2944
2945                         if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2946                                 return -EFAULT;
2947
2948                         hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2949                         ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2950                         fix->smem_start = phy_addr;
2951                         break;
2952                 }
2953         case RK_FBIOGET_DMABUF_FD:
2954                 {
2955                         int fd = -1;
2956
2957                         if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2958                                 dev_err(info->dev,
2959                                         "get dma_buf fd failed,ion handle is err\n");
2960                                 return PTR_ERR(fb_par->ion_hdl);
2961                         }
2962                         fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2963                                                   fb_par->ion_hdl);
2964                         if (fd < 0) {
2965                                 dev_err(info->dev,
2966                                         "ion_share_dma_buf_fd failed\n");
2967                                 return fd;
2968                         }
2969                         if (copy_to_user(argp, &fd, sizeof(fd)))
2970                                 return -EFAULT;
2971                         break;
2972                 }
2973 #endif
2974         case RK_FBIOSET_CLEAR_FB:
2975                 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2976                 break;
2977         case RK_FBIOSET_CONFIG_DONE:
2978                 {
2979                         int curr = 0;
2980                         struct timespec now;
2981
2982                         getnstimeofday(&now);
2983                         curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2984                         cfgdone_distlist[cfgdone_index++] =
2985                                 curr - cfgdone_lasttime;
2986                         cfgdone_lasttime = curr;
2987                         if (cfgdone_index >= 10)
2988                                 cfgdone_index = 0;
2989                 }
2990                 if (is_car_camcap()) {
2991                         int i = 0;
2992
2993                         for (i = 0; i < RK_MAX_BUF_NUM; i++)
2994                                 win_data.rel_fence_fd[i] = -1;
2995
2996                         win_data.ret_fence_fd = -1;
2997                         goto cam_exit;
2998                 }
2999                 if (copy_from_user(&win_data,
3000                                    (struct rk_fb_win_cfg_data __user *)argp,
3001                                    sizeof(win_data))) {
3002                         ret = -EFAULT;
3003                         break;
3004                 };
3005
3006                 dev_drv->wait_fs = win_data.wait_fs;
3007                 ret = rk_fb_set_win_config(info, &win_data);
3008
3009 cam_exit:
3010                 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
3011                                  &win_data, sizeof(win_data))) {
3012                         ret = -EFAULT;
3013                         break;
3014                 }
3015                 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
3016
3017                 if (dev_drv->uboot_logo)
3018                         dev_drv->uboot_logo = 0;
3019
3020                 break;
3021         default:
3022                 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
3023                 break;
3024         }
3025
3026         return ret;
3027 }
3028
3029 static int rk_fb_blank(int blank_mode, struct fb_info *info)
3030 {
3031         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3032         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3033         struct fb_fix_screeninfo *fix = &info->fix;
3034         int win_id;
3035 #if defined(CONFIG_RK_HDMI)
3036         struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3037 #endif
3038
3039         if (is_car_camcap())
3040                 return 0;
3041         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
3042         if (win_id < 0)
3043                 return -ENODEV;
3044         mutex_lock(&dev_drv->switch_screen);
3045 #if defined(CONFIG_RK_HDMI)
3046         if ((rk_fb->disp_mode == ONE_DUAL) &&
3047             (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
3048                 pr_info("hdmi is connect , not blank lcdc\n");
3049         } else
3050 #endif
3051         {
3052                 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3053         }
3054         mutex_unlock(&dev_drv->switch_screen);
3055         return 0;
3056 }
3057
3058 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3059 {
3060         if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3061             (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3062             ((16 != var->bits_per_pixel) &&
3063             (32 != var->bits_per_pixel) &&
3064             (24 != var->bits_per_pixel))) {
3065                 dev_err(info->dev, "%s check var fail 1:\n"
3066                         "xres_vir:%d>>yres_vir:%d\n"
3067                         "xres:%d>>yres:%d\n"
3068                         "bits_per_pixel:%d\n",
3069                         info->fix.id,
3070                         var->xres_virtual,
3071                         var->yres_virtual,
3072                         var->xres, var->yres, var->bits_per_pixel);
3073                 return -EINVAL;
3074         }
3075
3076         if (((var->xoffset + var->xres) > var->xres_virtual) ||
3077             ((var->yoffset + var->yres) > (var->yres_virtual))) {
3078                 dev_err(info->dev, "%s check_var fail 2:\n"
3079                         "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3080                         "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3081                         info->fix.id,
3082                         var->xoffset,
3083                         var->xres,
3084                         var->xres_virtual,
3085                         var->yoffset, var->yres, var->yres_virtual);
3086                 return -EINVAL;
3087         }
3088
3089         return 0;
3090 }
3091
3092 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3093                           size_t count, loff_t *ppos)
3094 {
3095         unsigned long p = *ppos;
3096         u8 *buffer, *dst;
3097         u8 __iomem *src;
3098         int c, cnt = 0, err = 0;
3099         unsigned long total_size;
3100         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3101         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3102         struct rk_lcdc_win *win = NULL;
3103         int win_id = 0;
3104
3105         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3106         if (win_id < 0)
3107                 return -ENODEV;
3108         else
3109                 win = dev_drv->win[win_id];
3110
3111         /* only read the current frame buffer */
3112         if (win->area[0].format == RGB565) {
3113                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3114         } else if ((win->area[0].format == YUV420) ||
3115                    (win->area[0].format == YUV420_NV21)) {
3116                 total_size =
3117                     (win->area[0].y_vir_stride * win->area[0].yact * 6);
3118         } else {
3119                 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3120         }
3121         if (p >= total_size)
3122                 return 0;
3123
3124         if (count >= total_size)
3125                 count = total_size;
3126
3127         if (count + p > total_size)
3128                 count = total_size - p;
3129
3130         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3131         if (!buffer)
3132                 return -ENOMEM;
3133
3134         src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3135
3136         while (count) {
3137                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3138                 dst = buffer;
3139                 fb_memcpy_fromfb(dst, src, c);
3140                 dst += c;
3141                 src += c;
3142
3143                 if (copy_to_user(buf, buffer, c)) {
3144                         err = -EFAULT;
3145                         break;
3146                 }
3147                 *ppos += c;
3148                 buf += c;
3149                 cnt += c;
3150                 count -= c;
3151         }
3152
3153         kfree(buffer);
3154
3155         return (err) ? err : cnt;
3156 }
3157
3158 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3159                            size_t count, loff_t *ppos)
3160 {
3161         unsigned long p = *ppos;
3162         u8 *buffer, *src;
3163         u8 __iomem *dst;
3164         int c, cnt = 0, err = 0;
3165         unsigned long total_size;
3166         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3167         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3168         struct rk_lcdc_win *win = NULL;
3169         int win_id = 0;
3170
3171         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3172         if (win_id < 0)
3173                 return -ENODEV;
3174         else
3175                 win = dev_drv->win[win_id];
3176
3177         /* write the current frame buffer */
3178         if (win->area[0].format == RGB565)
3179                 total_size = win->area[0].xact * win->area[0].yact << 1;
3180         else
3181                 total_size = win->area[0].xact * win->area[0].yact << 2;
3182
3183         if (p > total_size)
3184                 return -EFBIG;
3185
3186         if (count > total_size) {
3187                 err = -EFBIG;
3188                 count = total_size;
3189         }
3190
3191         if (count + p > total_size) {
3192                 if (!err)
3193                         err = -ENOSPC;
3194
3195                 count = total_size - p;
3196         }
3197
3198         buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3199         if (!buffer)
3200                 return -ENOMEM;
3201
3202         dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3203
3204         while (count) {
3205                 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3206                 src = buffer;
3207
3208                 if (copy_from_user(src, buf, c)) {
3209                         err = -EFAULT;
3210                         break;
3211                 }
3212
3213                 fb_memcpy_tofb(dst, src, c);
3214                 dst += c;
3215                 src += c;
3216                 *ppos += c;
3217                 buf += c;
3218                 cnt += c;
3219                 count -= c;
3220         }
3221
3222         kfree(buffer);
3223
3224         return (cnt) ? cnt : err;
3225 }
3226
3227 static int rk_fb_set_par(struct fb_info *info)
3228 {
3229         struct fb_var_screeninfo *var = &info->var;
3230         struct fb_fix_screeninfo *fix = &info->fix;
3231         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3232         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3233         struct rk_lcdc_win *win = NULL;
3234         struct rk_screen *screen = dev_drv->cur_screen;
3235         int win_id = 0;
3236         u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3237         u32 xoffset = var->xoffset;     /* offset from virtual to visible */
3238         u32 yoffset = var->yoffset;
3239         u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
3240         u16 ypos = (var->nonstd >> 20) & 0xfff;
3241         u32 xvir = var->xres_virtual;
3242         u8 data_format = var->nonstd & 0xff;
3243         u8 fb_data_fmt;
3244         u8 pixel_width = 0;
3245         u32 vir_width_bit;
3246         u32 stride, uv_stride = 0;
3247         u32 stride_32bit_1;
3248         u32 stride_32bit_2;
3249         u16 uv_x_off, uv_y_off, uv_y_act;
3250         u8 is_pic_yuv = 0;
3251         /*var->pixclock = dev_drv->pixclock;*/
3252         if (dev_drv->suspend_flag || is_car_camcap())
3253                 return 0;
3254         win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3255         if (win_id < 0)
3256                 return -ENODEV;
3257         else
3258                 win = dev_drv->win[win_id];
3259
3260         /* if the application has specific the hor and ver display size */
3261         if (var->grayscale >> 8) {
3262                 xsize = (var->grayscale >> 8) & 0xfff;
3263                 ysize = (var->grayscale >> 20) & 0xfff;
3264                 if (xsize > screen->mode.xres)
3265                         xsize = screen->mode.xres;
3266                 if (ysize > screen->mode.yres)
3267                         ysize = screen->mode.yres;
3268         } else {                /*ohterwise  full  screen display */
3269                 xsize = screen->mode.xres;
3270                 ysize = screen->mode.yres;
3271         }
3272
3273         win->colorspace = CSC_FORMAT(data_format);
3274         data_format &= ~CSC_MASK;
3275         fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3276         if (IS_FBDC_FMT(fb_data_fmt)) {
3277                 win->area[0].fbdc_en = 1;
3278                 win->area[0].fbdc_cor_en = 1;
3279         } else {
3280                 win->area[0].fbdc_en = 0;
3281                 win->area[0].fbdc_cor_en = 0;
3282         }
3283         pixel_width = rk_fb_pixel_width(fb_data_fmt);
3284         vir_width_bit = pixel_width * xvir;
3285         /* pixel_width = byte_num * 8 */
3286         stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3287         stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3288
3289         switch (fb_data_fmt) {
3290         case YUV422:
3291         case YUV422_A:
3292                 is_pic_yuv = 1;
3293                 stride = stride_32bit_1;
3294                 uv_stride = stride_32bit_1;
3295                 uv_x_off = xoffset;
3296                 uv_y_off = yoffset;
3297                 fix->line_length = stride;
3298                 uv_y_act = win->area[0].yact >> 1;
3299                 break;
3300         case YUV420:            /* nv12 */
3301         case YUV420_NV21:       /* nv21 */
3302         case YUV420_A:
3303                 is_pic_yuv = 1;
3304                 stride = stride_32bit_1;
3305                 uv_stride = stride_32bit_1;
3306                 uv_x_off = xoffset;
3307                 uv_y_off = yoffset >> 1;
3308                 fix->line_length = stride;
3309                 uv_y_act = win->area[0].yact >> 1;
3310                 break;
3311         case YUV444:
3312         case YUV444_A:
3313                 is_pic_yuv = 1;
3314                 stride = stride_32bit_1;
3315                 uv_stride = stride_32bit_2;
3316                 uv_x_off = xoffset * 2;
3317                 uv_y_off = yoffset;
3318                 fix->line_length = stride << 2;
3319                 uv_y_act = win->area[0].yact;
3320                 break;
3321         default:
3322                 stride = stride_32bit_1;        /* default rgb */
3323                 fix->line_length = stride;
3324                 break;
3325         }
3326
3327         win->area[0].format = fb_data_fmt;
3328         win->area[0].y_vir_stride = stride >> 2;
3329         win->area[0].uv_vir_stride = uv_stride >> 2;
3330         win->area[0].xpos = xpos;
3331         win->area[0].ypos = ypos;
3332         win->area[0].xsize = xsize;
3333         win->area[0].ysize = ysize;
3334         win->area[0].xact = var->xres;  /* winx active window height,is a wint of vir */
3335         win->area[0].yact = var->yres;
3336         win->area[0].xvir = var->xres_virtual;  /* virtual resolution  stride --->LCDC_WINx_VIR */
3337         win->area[0].yvir = var->yres_virtual;
3338         win->area[0].xoff = xoffset;
3339         win->area[0].yoff = yoffset;
3340         win->ymirror = 0;
3341         win->state = 1;
3342         win->last_state = 1;
3343
3344         win->area_num = 1;
3345         win->alpha_mode = 4;    /* AB_SRC_OVER; */
3346         win->alpha_en = ((win->area[0].format == ARGB888) ||
3347                          (win->area[0].format == FBDC_ARGB_888) ||
3348                          (win->area[0].format == FBDC_ABGR_888) ||
3349                          (win->area[0].format == ABGR888)) ? 1 : 0;
3350         win->g_alpha_val = 0;
3351
3352         dev_drv->ops->set_par(dev_drv, win_id);
3353
3354         return 0;
3355 }
3356
3357 static inline unsigned int chan_to_field(unsigned int chan,
3358                                          struct fb_bitfield *bf)
3359 {
3360         chan &= 0xffff;
3361         chan >>= 16 - bf->length;
3362         return chan << bf->offset;
3363 }
3364
3365 static int fb_setcolreg(unsigned regno,
3366                         unsigned red, unsigned green, unsigned blue,
3367                         unsigned transp, struct fb_info *info)
3368 {
3369         unsigned int val;
3370
3371         switch (info->fix.visual) {
3372         case FB_VISUAL_TRUECOLOR:
3373                 /* true-colour, use pseudo-palette */
3374                 if (regno < 16) {
3375                         u32 *pal = info->pseudo_palette;
3376
3377                         val = chan_to_field(red, &info->var.red);
3378                         val |= chan_to_field(green, &info->var.green);
3379                         val |= chan_to_field(blue, &info->var.blue);
3380                         pal[regno] = val;
3381                 }
3382                 break;
3383         default:
3384                 return -1;      /* unknown type */
3385         }
3386
3387         return 0;
3388 }
3389
3390 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3391 {
3392         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3393         struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3394         struct ion_handle *handle = fb_par->ion_hdl;
3395         struct dma_buf *dma_buf = NULL;
3396
3397         if (IS_ERR_OR_NULL(handle)) {
3398                 dev_err(info->dev, "failed to get ion handle:%ld\n",
3399                         PTR_ERR(handle));
3400                 return -ENOMEM;
3401         }
3402         dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3403         if (IS_ERR_OR_NULL(dma_buf)) {
3404                 pr_info("get ion share dma buf failed\n");
3405                 return -ENOMEM;
3406         }
3407
3408         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3409
3410         return dma_buf_mmap(dma_buf, vma, 0);
3411 }
3412
3413 static struct fb_ops fb_ops = {
3414         .owner = THIS_MODULE,
3415         .fb_open = rk_fb_open,
3416         .fb_release = rk_fb_close,
3417         .fb_check_var = rk_fb_check_var,
3418         .fb_set_par = rk_fb_set_par,
3419         .fb_blank = rk_fb_blank,
3420         .fb_ioctl = rk_fb_ioctl,
3421         .fb_compat_ioctl = rk_fb_ioctl,
3422         .fb_pan_display = rk_fb_pan_display,
3423         .fb_read = rk_fb_read,
3424         .fb_write = rk_fb_write,
3425         .fb_setcolreg = fb_setcolreg,
3426         .fb_fillrect = cfb_fillrect,
3427         .fb_copyarea = cfb_copyarea,
3428         .fb_imageblit = cfb_imageblit,
3429 };
3430
3431 static struct fb_var_screeninfo def_var = {
3432 #if defined(CONFIG_LOGO_LINUX_BMP)
3433         .red = {16, 8, 0},
3434         .green = {8, 8, 0},
3435         .blue = {0, 8, 0},
3436         .transp = {0, 0, 0},
3437         .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3438 #else
3439         .red = {11, 5, 0},
3440         .green = {5, 6, 0},
3441         .blue = {0, 5, 0},
3442         .transp = {0, 0, 0},
3443         .nonstd = HAL_PIXEL_FORMAT_RGB_565,     /* (ypos<<20+xpos<<8+format) format */
3444 #endif
3445         .grayscale = 0,         /* (ysize<<20+xsize<<8) */
3446         .activate = FB_ACTIVATE_NOW,
3447         .accel_flags = 0,
3448         .vmode = FB_VMODE_NONINTERLACED,
3449 };
3450
3451 static struct fb_fix_screeninfo def_fix = {
3452         .type = FB_TYPE_PACKED_PIXELS,
3453         .type_aux = 0,
3454         .xpanstep = 1,
3455         .ypanstep = 1,
3456         .ywrapstep = 0,
3457         .accel = FB_ACCEL_NONE,
3458         .visual = FB_VISUAL_TRUECOLOR,
3459
3460 };
3461
3462 static int rk_fb_wait_for_vsync_thread(void *data)
3463 {
3464         struct rk_lcdc_driver *dev_drv = data;
3465         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3466         struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3467
3468         while (!kthread_should_stop()) {
3469                 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3470                 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3471                                 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3472                                 (dev_drv->vsync_info.active > 0 || dev_drv->vsync_info.irq_stop));
3473
3474                 if (!ret)
3475                         sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3476         }
3477
3478         return 0;
3479 }
3480
3481 static ssize_t rk_fb_vsync_show(struct device *dev,
3482                                 struct device_attribute *attr, char *buf)
3483 {
3484         struct fb_info *fbi = dev_get_drvdata(dev);
3485         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3486         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3487
3488         return scnprintf(buf, PAGE_SIZE, "%llu\n",
3489                          ktime_to_ns(dev_drv->vsync_info.timestamp));
3490 }
3491
3492 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3493
3494 /*
3495  * this two function is for other module that in the kernel which
3496  * need show image directly through fb
3497  * fb_id:we have 4 fb here,default we use fb0 for ui display
3498  */
3499 struct fb_info *rk_get_fb(int fb_id)
3500 {
3501         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3502         struct fb_info *fb = inf->fb[fb_id];
3503         return fb;
3504 }
3505 EXPORT_SYMBOL(rk_get_fb);
3506
3507 void rk_direct_fb_show(struct fb_info *fbi)
3508 {
3509         rk_fb_set_par(fbi);
3510         rk_fb_pan_display(&fbi->var, fbi);
3511 }
3512 EXPORT_SYMBOL(rk_direct_fb_show);
3513
3514 int rk_fb_dpi_open(bool open)
3515 {
3516         struct rk_lcdc_driver *dev_drv = NULL;
3517
3518         dev_drv = rk_get_prmry_lcdc_drv();
3519         if (dev_drv->ops->dpi_open)
3520                 dev_drv->ops->dpi_open(dev_drv, open);
3521         return 0;
3522 }
3523
3524 int rk_fb_dpi_win_sel(int win_id)
3525 {
3526         struct rk_lcdc_driver *dev_drv = NULL;
3527
3528         dev_drv = rk_get_prmry_lcdc_drv();
3529         if (dev_drv->ops->dpi_win_sel)
3530                 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3531         return 0;
3532 }
3533
3534 int rk_fb_dpi_status(void)
3535 {
3536         int ret = 0;
3537         struct rk_lcdc_driver *dev_drv = NULL;
3538
3539         dev_drv = rk_get_prmry_lcdc_drv();
3540         if (dev_drv->ops->dpi_status)
3541                 ret = dev_drv->ops->dpi_status(dev_drv);
3542
3543         return ret;
3544 }
3545
3546 /*
3547  * function: this function will be called by display device, enable/disable lcdc
3548  * @screen: screen timing to be set to lcdc
3549  * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3550  * @lcdc_id: the lcdc id the display device attached ,0 or 1
3551  */
3552 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3553 {
3554         struct rk_fb *rk_fb =  platform_get_drvdata(fb_pdev);
3555         struct fb_info *info = NULL;
3556         struct rk_fb_par *fb_par = NULL;
3557         struct rk_lcdc_driver *dev_drv = NULL;
3558         struct rk_lcdc_win *win;
3559         char name[6] = {0};
3560         int i, win_id;
3561         static bool load_screen;
3562         char *envp[4];
3563         char envplcdc[32];
3564         char envpfbdev[32];
3565         int ret, list_is_empty = 0;
3566
3567         if (unlikely(!rk_fb) || unlikely(!screen))
3568                 return -ENODEV;
3569
3570         /* get lcdc driver */
3571         sprintf(name, "lcdc%d", lcdc_id);
3572         dev_drv = rk_get_lcdc_drv(name);
3573
3574         if (dev_drv == NULL) {
3575                 pr_err("%s driver not found!", name);
3576                 return -ENODEV;
3577         }
3578         if (screen->type == SCREEN_HDMI)
3579                 pr_info("hdmi %s lcdc%d\n",
3580                         enable ? "connect to" : "remove from",
3581                         dev_drv->id);
3582         else if (screen->type == SCREEN_TVOUT ||
3583                  screen->type == SCREEN_TVOUT_TEST)
3584                 pr_info("cvbs %s lcdc%d\n",
3585                         enable ? "connect to" : "remove from",
3586                         dev_drv->id);
3587         if (enable == 2 /*&& dev_drv->enable*/)
3588                 return 0;
3589         pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3590                 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3591
3592         mutex_lock(&dev_drv->switch_screen);
3593         dev_drv->hot_plug_state = enable;
3594         hdmi_switch_state = 0;
3595         dev_drv->hdmi_switch = 1;
3596         if (!dev_drv->uboot_logo) {
3597                 mdelay(200);
3598                 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3599                                            list_empty(&dev_drv->saved_list);
3600                 if (!list_is_empty) {
3601                         ret = wait_event_timeout(dev_drv->update_regs_wait,
3602                                                  list_empty(&dev_drv->update_regs_list) &&
3603                                                  list_empty(&dev_drv->saved_list),
3604                                                  msecs_to_jiffies(60));
3605                         if (ret <= 0)
3606                                 pr_info("%s: wait update_regs_wait timeout\n",
3607                                         __func__);
3608                 }
3609         }
3610
3611         envp[0] = "switch vop screen";
3612         memset(envplcdc, 0, sizeof(envplcdc));
3613         memset(envpfbdev, 0, sizeof(envpfbdev));
3614         sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3615         sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3616         envp[1] = envplcdc;
3617         envp[2] = envpfbdev;
3618         envp[3] = NULL;
3619
3620         if ((rk_fb->disp_mode == ONE_DUAL) ||
3621             (rk_fb->disp_mode == NO_DUAL)) {
3622                 if ((dev_drv->ops->backlight_close) &&
3623                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3624                         dev_drv->ops->backlight_close(dev_drv, 1);
3625                 if (!dev_drv->uboot_logo || load_screen ||
3626                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3627                         if (dev_drv->ops->dsp_black)
3628                                 dev_drv->ops->dsp_black(dev_drv, 0);
3629                 }
3630                 if ((dev_drv->ops->set_screen_scaler) &&
3631                     (rk_fb->disp_mode == ONE_DUAL))
3632                         dev_drv->ops->set_screen_scaler(dev_drv,
3633                                                         dev_drv->screen0, 0);
3634         }
3635         if (!enable) {
3636                 /* if screen type is different, we do not disable lcdc. */
3637                 if (dev_drv->cur_screen->type != screen->type) {
3638                         dev_drv->hdmi_switch = 0;
3639                         mutex_unlock(&dev_drv->switch_screen);
3640                         return 0;
3641                 }
3642
3643                 /* if used one lcdc to dual disp, no need to close win */
3644                 if ((rk_fb->disp_mode == ONE_DUAL) ||
3645                     ((rk_fb->disp_mode == NO_DUAL) &&
3646                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3647                         dev_drv->cur_screen = dev_drv->screen0;
3648                         dev_drv->ops->load_screen(dev_drv, 1);
3649                         /* force modify dsp size */
3650                         info = rk_fb->fb[dev_drv->fb_index_base];
3651                         info->var.grayscale &= 0xff;
3652                         info->var.grayscale |=
3653                                 (dev_drv->cur_screen->mode.xres << 8) +
3654                                 (dev_drv->cur_screen->mode.yres << 20);
3655                         mutex_lock(&dev_drv->win_config);
3656                         info->var.xoffset = 0;
3657                         info->var.yoffset = 0;
3658                         info->fbops->fb_set_par(info);
3659                         info->fbops->fb_pan_display(&info->var, info);
3660                         mutex_unlock(&dev_drv->win_config);
3661
3662                         /*
3663                          * if currently is loader display, black until new
3664                          * display job.
3665                          */
3666                         if (dev_drv->uboot_logo) {
3667                                 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3668                                         if (dev_drv->win[i] && dev_drv->win[i]->state &&
3669                                             dev_drv->ops->win_direct_en)
3670                                                 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3671                                 }
3672                         }
3673
3674                         /*if (dev_drv->ops->dsp_black)
3675                          *      dev_drv->ops->dsp_black(dev_drv, 0);
3676                          */
3677                         if ((dev_drv->ops->backlight_close) &&
3678                             (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3679                                 dev_drv->ops->backlight_close(dev_drv, 0);
3680                 } else if (rk_fb->num_lcdc > 1) {
3681                         /* If there is more than one lcdc device, we disable
3682                          *  the layer which attached to this device
3683                          */
3684                         flush_kthread_worker(&dev_drv->update_regs_worker);
3685                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3686                                 if (dev_drv->win[i] && dev_drv->win[i]->state)
3687                                         dev_drv->ops->open(dev_drv, i, 0);
3688                         }
3689                 }
3690                 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3691
3692                 hdmi_switch_state = 0;
3693                 dev_drv->hdmi_switch = 0;
3694                 mutex_unlock(&dev_drv->switch_screen);
3695                 return 0;
3696         } else {
3697                 if (load_screen || (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3698                         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3699                                 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3700                                         dev_drv->ops->win_direct_en)
3701                                         dev_drv->ops->win_direct_en(dev_drv, i, 0);
3702                         }
3703                 }
3704                 if (dev_drv->uboot_logo) {
3705                         if (dev_drv->cur_screen->mode.xres !=
3706                                 screen->mode.xres ||
3707                             dev_drv->cur_screen->mode.yres !=
3708                                 screen->mode.yres)
3709                                 load_screen = 1;
3710                 }
3711                 if (dev_drv->screen1)
3712                         dev_drv->cur_screen = dev_drv->screen1;
3713
3714                 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3715                 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3716                 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3717                 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3718                 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3719         }
3720
3721         if (!dev_drv->uboot_logo || load_screen ||
3722             (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3723                 info = rk_fb->fb[dev_drv->fb_index_base];
3724                 fb_par = (struct rk_fb_par *)info->par;
3725                 win_id = 0;
3726                 win = dev_drv->win[win_id];
3727                 if (win && fb_par->state) {
3728                         dev_drv->ops->load_screen(dev_drv, 1);
3729                         info->var.activate |= FB_ACTIVATE_FORCE;
3730                         if (rk_fb->disp_mode == ONE_DUAL) {
3731                                 info->var.grayscale &= 0xff;
3732                                 info->var.grayscale |=
3733                                         (dev_drv->cur_screen->xsize << 8) +
3734                                         (dev_drv->cur_screen->ysize << 20);
3735                         }
3736                         if (dev_drv->uboot_logo && win->state) {
3737                                 if (win->area[0].xpos ||
3738                                     win->area[0].ypos) {
3739                                         win->area[0].xpos =
3740                                                 (screen->mode.xres -
3741                                                  win->area[0].xsize) / 2;
3742                                         win->area[0].ypos =
3743                                                 (screen->mode.yres -
3744                                                  win->area[0].ysize) / 2;
3745                                 } else {
3746                                         win->area[0].xsize = screen->mode.xres;
3747                                         win->area[0].ysize = screen->mode.yres;
3748                                 }
3749                                 dev_drv->ops->set_par(dev_drv, i);
3750                                 dev_drv->ops->cfg_done(dev_drv);
3751                         } else if (!dev_drv->win[win_id]->state) {
3752                                 dev_drv->ops->open(dev_drv, win_id, 1);
3753                                 info->fbops->fb_pan_display(&info->var, info);
3754                         }
3755                 }
3756         } else {
3757                 dev_drv->ops->load_screen(dev_drv, 0);
3758         }
3759         kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3760
3761         hdmi_switch_state = 1;
3762         load_screen = true;
3763         dev_drv->hdmi_switch = 0;
3764         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3765                 if ((dev_drv->ops->set_screen_scaler) &&
3766                     (rk_fb->disp_mode == ONE_DUAL))
3767                         dev_drv->ops->set_screen_scaler(dev_drv,
3768                                                         dev_drv->screen0, 1);
3769                 /*if (dev_drv->ops->dsp_black)
3770                  *      dev_drv->ops->dsp_black(dev_drv, 0);*/
3771                 if ((dev_drv->ops->backlight_close) &&
3772                     (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3773                     (rk_fb->disp_mode == ONE_DUAL))
3774                         dev_drv->ops->backlight_close(dev_drv, 0);
3775         }
3776         mutex_unlock(&dev_drv->switch_screen);
3777         return 0;
3778 }
3779
3780 /*
3781  * function:this function current only called by hdmi for
3782  *      scale the display
3783  * scale_x: scale rate of x resolution
3784  * scale_y: scale rate of y resolution
3785  * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3786  */
3787 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3788 {
3789         struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3790         struct fb_info *info = NULL;
3791         struct fb_info *pmy_info = NULL;
3792         struct fb_var_screeninfo *var = NULL;
3793         struct rk_lcdc_driver *dev_drv = NULL;
3794         u16 screen_x, screen_y;
3795         u16 xpos, ypos;
3796         char name[6];
3797         struct rk_screen primary_screen;
3798
3799         rk_fb_get_prmry_screen(&primary_screen);
3800         if (primary_screen.type == SCREEN_HDMI)
3801                 return 0;
3802
3803         pr_err("should not be here--%s\n", __func__);
3804
3805         return 0;
3806         sprintf(name, "lcdc%d", lcdc_id);
3807
3808         if (inf->disp_mode == DUAL) {
3809                 dev_drv = rk_get_lcdc_drv(name);
3810                 if (!dev_drv) {
3811                         pr_err("%s driver not found!", name);
3812                         return -ENODEV;
3813                 }
3814         } else {
3815                 dev_drv = inf->lcdc_dev_drv[0];
3816         }
3817
3818         if (inf->num_lcdc == 1) {
3819                 info = inf->fb[0];
3820         } else if (inf->num_lcdc == 2) {
3821                 info = inf->fb[dev_drv->lcdc_win_num];
3822                 pmy_info = inf->fb[0];
3823         }
3824
3825         var = &info->var;
3826         screen_x = dev_drv->cur_screen->mode.xres;
3827         screen_y = dev_drv->cur_screen->mode.yres;
3828
3829         if (inf->disp_mode != DUAL && dev_drv->screen1) {
3830                 dev_drv->cur_screen->xpos =
3831                     (screen_x - screen_x * scale_x / 100) >> 1;
3832                 dev_drv->cur_screen->ypos =
3833                     (screen_y - screen_y * scale_y / 100) >> 1;
3834                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3835                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3836         } else {
3837                 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3838                 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3839                 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3840                 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3841                 if (inf->disp_mode == ONE_DUAL) {
3842                         var->nonstd &= 0xff;
3843                         var->nonstd |= (xpos << 8) + (ypos << 20);
3844                         var->grayscale &= 0xff;
3845                         var->grayscale |=
3846                                 (dev_drv->cur_screen->xsize << 8) +
3847                                 (dev_drv->cur_screen->ysize << 20);
3848                 }
3849         }
3850
3851         mutex_lock(&dev_drv->win_config);
3852         info->fbops->fb_set_par(info);
3853         dev_drv->ops->cfg_done(dev_drv);
3854         mutex_unlock(&dev_drv->win_config);
3855
3856         return 0;
3857 }
3858
3859 #if defined(CONFIG_ION_ROCKCHIP)
3860 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3861                                      struct rk_lcdc_win *win,
3862                                      unsigned long fb_mem_size)
3863 {
3864         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3865         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3866         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3867         struct ion_handle *handle;
3868         ion_phys_addr_t phy_addr;
3869         size_t len;
3870         int ret = 0;
3871
3872         if (dev_drv->iommu_enabled)
3873                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3874                                    ION_HEAP_SYSTEM_MASK, 0);
3875         else
3876                 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3877                                    ION_HEAP_TYPE_DMA_MASK, 0);
3878
3879         if (IS_ERR(handle)) {
3880                 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3881                         PTR_ERR(handle));
3882                 return -ENOMEM;
3883         }
3884
3885         fb_par->ion_hdl = handle;
3886         win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3887         if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3888                 pr_info("ion_share_dma_buf() failed\n");
3889                 goto err_share_dma_buf;
3890         }
3891         win->area[0].ion_hdl = handle;
3892         if (dev_drv->prop == PRMRY)
3893                 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3894         if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3895                 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3896                                     (unsigned long *)&phy_addr,
3897                                     (unsigned long *)&len);
3898         else
3899                 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3900         if (ret < 0) {
3901                 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3902                 goto err_share_dma_buf;
3903         }
3904         fbi->fix.smem_start = phy_addr;
3905         fbi->fix.smem_len = len;
3906         pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3907         return 0;
3908
3909 err_share_dma_buf:
3910         ion_free(rk_fb->ion_client, handle);
3911         return -ENOMEM;
3912 }
3913 #endif
3914
3915 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3916 {
3917         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3918         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3919         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3920         struct rk_lcdc_win *win = NULL;
3921         int win_id;
3922         int ret = 0;
3923         unsigned long fb_mem_size;
3924 #if !defined(CONFIG_ION_ROCKCHIP)
3925         dma_addr_t fb_mem_phys;
3926         void *fb_mem_virt;
3927 #endif
3928         ion_phys_addr_t phy_addr;
3929         size_t len;
3930
3931         win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3932         if (win_id < 0)
3933                 return -ENODEV;
3934         else
3935                 win = dev_drv->win[win_id];
3936
3937         if (!strcmp(fbi->fix.id, "fb0")) {
3938                 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3939 #if defined(CONFIG_ION_ROCKCHIP)
3940                 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3941                         return -ENOMEM;
3942 #else
3943                 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3944                                                      &fb_mem_phys, GFP_KERNEL);
3945                 if (!fb_mem_virt) {
3946                         pr_err("%s: Failed to allocate framebuffer\n",
3947                                __func__);
3948                         return -ENOMEM;
3949                 }
3950                 fbi->fix.smem_len = fb_mem_size;
3951                 fbi->fix.smem_start = fb_mem_phys;
3952                 fbi->screen_base = fb_mem_virt;
3953 #endif
3954                 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3955         } else {
3956                 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3957                         struct rk_lcdc_driver *dev_drv_prmry;
3958                         int win_id_prmry;
3959
3960                         fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3961 #if defined(CONFIG_ION_ROCKCHIP)
3962                         dev_drv_prmry = rk_get_prmry_lcdc_drv();
3963                         if (dev_drv_prmry == NULL)
3964                                 return -ENODEV;
3965                         win_id_prmry =
3966                                 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3967                                                                  fbi->fix.id);
3968                         if (win_id_prmry < 0)
3969                                 return -ENODEV;
3970                         else
3971                                 fb_par->ion_hdl =
3972                                 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3973                                 fbi->screen_base =
3974                                         ion_map_kernel(rk_fb->ion_client,
3975                                                        fb_par->ion_hdl);
3976                                 dev_drv->win[win_id]->area[0].ion_hdl =
3977                                         fb_par->ion_hdl;
3978                                 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3979                                         ret = ion_map_iommu(dev_drv->dev,
3980                                                             rk_fb->ion_client,
3981                                                             fb_par->ion_hdl,
3982                                                             (unsigned long *)&phy_addr,
3983                                                             (unsigned long *)&len);
3984                                 else
3985                                         ret = ion_phys(rk_fb->ion_client,
3986                                                        fb_par->ion_hdl,
3987                                                        &phy_addr, &len);
3988                                 if (ret < 0) {
3989                                         dev_err(fbi->dev, "ion map to get phy addr failed\n");
3990                                         return -ENOMEM;
3991                                 }
3992                                 fbi->fix.smem_start = phy_addr;
3993                                 fbi->fix.smem_len = len;
3994 #else
3995                         fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3996                                                              fb_mem_size,
3997                                                              &fb_mem_phys,
3998                                                              GFP_KERNEL);
3999                         if (!fb_mem_virt) {
4000                                 pr_err("%s: Failed to allocate framebuffer\n",
4001                                        __func__);
4002                                 return -ENOMEM;
4003                         }
4004                         fbi->fix.smem_len = fb_mem_size;
4005                         fbi->fix.smem_start = fb_mem_phys;
4006                         fbi->screen_base = fb_mem_virt;
4007 #endif
4008                 } else {
4009                         fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
4010                         fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
4011                         fbi->screen_base = rk_fb->fb[0]->screen_base;
4012                 }
4013         }
4014
4015         fbi->screen_size = fbi->fix.smem_len;
4016         fb_par->fb_phy_base = fbi->fix.smem_start;
4017         fb_par->fb_virt_base = fbi->screen_base;
4018         fb_par->fb_size = fbi->fix.smem_len;
4019
4020         pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
4021                 fbi->fix.smem_start, fbi->screen_base,
4022                 fbi->fix.smem_len);
4023         return ret;
4024 }
4025
4026 #if 0
4027 static int rk_release_fb_buffer(struct fb_info *fbi)
4028 {
4029         /* buffer for fb1 and fb3 are alloc by android */
4030         if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
4031                 return 0;
4032         iounmap(fbi->screen_base);
4033         release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
4034         return 0;
4035 }
4036 #endif
4037
4038 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
4039                          struct rk_lcdc_win *def_win)
4040 {
4041         int i;
4042         int lcdc_win_num = dev_drv->lcdc_win_num;
4043
4044         for (i = 0; i < lcdc_win_num; i++) {
4045                 struct rk_lcdc_win *win = NULL;
4046
4047                 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4048                 if (!win) {
4049                         dev_err(dev_drv->dev, "kzmalloc for win fail!");
4050                         return -ENOMEM;
4051                 }
4052
4053                 strcpy(win->name, def_win[i].name);
4054                 win->id = def_win[i].id;
4055                 win->support_3d = def_win[i].support_3d;
4056                 win->property.feature = def_win[i].property.feature;
4057                 win->property.max_input_x = def_win[i].property.max_input_x;
4058                 win->property.max_input_y = def_win[i].property.max_input_y;
4059                 dev_drv->win[i] = win;
4060         }
4061
4062         return 0;
4063 }
4064
4065 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4066                                    struct rk_lcdc_win *def_win, int index)
4067 {
4068         struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4069         struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4070                                                 sizeof(struct rk_screen),
4071                                                 GFP_KERNEL);
4072         int i = 0;
4073
4074         if (!screen) {
4075                 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4076                         dev_drv->id);
4077                 return -ENOMEM;
4078         }
4079
4080         screen->screen_id = 0;
4081         screen->lcdc_id = dev_drv->id;
4082         screen->overscan.left = 100;
4083         screen->overscan.top = 100;
4084         screen->overscan.right = 100;
4085         screen->overscan.bottom = 100;
4086
4087         screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
4088         screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
4089
4090         dev_drv->screen0 = screen;
4091         dev_drv->cur_screen = screen;
4092         /* devie use one lcdc + rk61x scaler for dual display */
4093         if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4094                 struct rk_screen *screen1 =
4095                                 devm_kzalloc(dev_drv->dev,
4096                                              sizeof(struct rk_screen),
4097                                              GFP_KERNEL);
4098                 if (!screen1) {
4099                         dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4100                                 dev_drv->id);
4101                         return -ENOMEM;
4102                 }
4103                 screen1->screen_id = 1;
4104                 screen1->lcdc_id = 1;
4105                 dev_drv->screen1 = screen1;
4106         }
4107         sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4108         init_lcdc_win(dev_drv, def_win);
4109         init_completion(&dev_drv->frame_done);
4110         spin_lock_init(&dev_drv->cpl_lock);
4111         mutex_init(&dev_drv->fb_win_id_mutex);
4112         mutex_init(&dev_drv->win_config);
4113         mutex_init(&dev_drv->front_lock);
4114         mutex_init(&dev_drv->switch_screen);
4115         dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4116         dev_drv->first_frame = 1;
4117         dev_drv->overscan.left = 100;
4118         dev_drv->overscan.top = 100;
4119         dev_drv->overscan.right = 100;
4120         dev_drv->overscan.bottom = 100;
4121         for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4122                 dev_drv->area_support[i] = 1;
4123         if (dev_drv->ops->area_support_num)
4124                 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4125         rk_disp_pwr_ctr_parse_dt(dev_drv);
4126         if (dev_drv->prop == PRMRY) {
4127                 rk_fb_set_prmry_screen(screen);
4128                 rk_fb_get_prmry_screen(screen);
4129         }
4130         dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4131         if (dev_drv->prop != PRMRY)
4132                 rk_fb_get_extern_screen(screen);
4133         dev_drv->output_color = screen->color_mode;
4134
4135         return 0;
4136 }
4137
4138 #ifdef CONFIG_LOGO_LINUX_BMP
4139 static struct linux_logo *bmp_logo;
4140 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4141 {
4142         bmp_logo = fb_find_logo(24);
4143         if (bmp_logo == NULL) {
4144                 pr_info("%s error\n", __func__);
4145                 return 0;
4146         }
4147         return 1;
4148 }
4149
4150 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4151 {
4152         unsigned char *src = bmp_logo->data;
4153         unsigned char *dst = info->screen_base;
4154         int i;
4155         unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4156         unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4157
4158         for (i = 0; i < needheight; i++)
4159                 memcpy(dst + info->var.xres * i * 4,
4160                        src + bmp_logo->width * i * 4, needwidth * 4);
4161 }
4162 #endif
4163
4164 /*
4165  * check if the primary lcdc has registered,
4166  * the primary lcdc mas register first
4167  */
4168 bool is_prmry_rk_lcdc_registered(void)
4169 {
4170         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4171
4172         if (rk_fb->lcdc_dev_drv[0])
4173                 return true;
4174         else
4175                 return false;
4176 }
4177
4178 phys_addr_t uboot_logo_base;
4179 phys_addr_t uboot_logo_size;
4180 phys_addr_t uboot_logo_offset;
4181
4182 static int __init rockchip_uboot_mem_late_init(void)
4183 {
4184         int err;
4185
4186         if (uboot_logo_size) {
4187                 void *start = phys_to_virt(uboot_logo_base);
4188                 void *end = phys_to_virt(uboot_logo_base + uboot_logo_size);
4189
4190                 err = memblock_free(uboot_logo_base, uboot_logo_size);
4191                 if (err < 0)
4192                         pr_err("%s: freeing memblock failed: %d\n",
4193                                __func__, err);
4194                 free_reserved_area(start, end, -1, "logo");
4195         }
4196         return 0;
4197 }
4198
4199 late_initcall(rockchip_uboot_mem_late_init);
4200
4201 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4202                    struct rk_lcdc_win *win, int id)
4203 {
4204         struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4205         struct fb_info *fbi;
4206         struct rk_fb_par *fb_par = NULL;
4207         int i = 0, ret = 0, index = 0;
4208         unsigned long flags;
4209         char time_line_name[16];
4210
4211         if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4212                 return -ENXIO;
4213
4214         for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4215                 if (!rk_fb->lcdc_dev_drv[i]) {
4216                         rk_fb->lcdc_dev_drv[i] = dev_drv;
4217                         rk_fb->lcdc_dev_drv[i]->id = id;
4218                         rk_fb->num_lcdc++;
4219                         break;
4220                 }
4221         }
4222
4223         index = i;
4224         init_lcdc_device_driver(rk_fb, win, index);
4225         dev_drv->fb_index_base = rk_fb->num_fb;
4226         for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4227                 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4228                 if (!fbi) {
4229                         dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4230                         ret = -ENOMEM;
4231                 }
4232                 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4233                                       GFP_KERNEL);
4234                 if (!fb_par) {
4235                         dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4236                                 rk_fb->num_fb);
4237                         return -ENOMEM;
4238                 }
4239                 fb_par->id = rk_fb->num_fb;
4240                 fb_par->lcdc_drv = dev_drv;
4241                 fbi->par = (void *)fb_par;
4242                 fbi->var = def_var;
4243                 fbi->fix = def_fix;
4244                 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4245                 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4246                 if (dev_drv->dsp_mode == ONE_VOP_DUAL_MIPI_VER_SCAN) {
4247                         fbi->var.xres /= 2;
4248                         fbi->var.yres *= 2;
4249                         fbi->var.xres_virtual /= 2;
4250                         fbi->var.yres_virtual *= 2;
4251                 }
4252                 fbi->var.width = dev_drv->cur_screen->width;
4253                 fbi->var.height = dev_drv->cur_screen->height;
4254                 fbi->var.grayscale |=
4255                     (fbi->var.xres << 8) + (fbi->var.yres << 20);
4256 #if defined(CONFIG_LOGO_LINUX_BMP)
4257                 fbi->var.bits_per_pixel = 32;
4258 #else
4259                 fbi->var.bits_per_pixel = 16;
4260 #endif
4261                 fbi->fix.line_length =
4262                     (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4263                 if (dev_drv->iommu_enabled)
4264                         fb_ops.fb_mmap = rk_fb_mmap;
4265                 fbi->fbops = &fb_ops;
4266                 fbi->flags = FBINFO_FLAG_DEFAULT;
4267                 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4268                 ret = register_framebuffer(fbi);
4269                 if (ret < 0) {
4270                         dev_err(&fb_pdev->dev,
4271                                 "%s fb%d register_framebuffer fail!\n",
4272                                 __func__, rk_fb->num_fb);
4273                         return ret;
4274                 }
4275                 rkfb_create_sysfs(fbi);
4276                 rk_fb->fb[rk_fb->num_fb] = fbi;
4277                 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4278                          fbi->fix.id);
4279                 rk_fb->num_fb++;
4280
4281                 if (i == 0) {
4282                         init_waitqueue_head(&dev_drv->vsync_info.wait);
4283                         init_waitqueue_head(&dev_drv->update_regs_wait);
4284                         ret = device_create_file(fbi->dev, &dev_attr_vsync);
4285                         if (ret)
4286                                 dev_err(fbi->dev,
4287                                         "failed to create vsync file\n");
4288                         dev_drv->vsync_info.thread =
4289                             kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4290                                         "fb-vsync");
4291                         if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4292                                 dev_err(fbi->dev,
4293                                         "failed to run vsync thread\n");
4294                                 dev_drv->vsync_info.thread = NULL;
4295                         }
4296                         dev_drv->vsync_info.active = 1;
4297
4298                         mutex_init(&dev_drv->output_lock);
4299
4300                         INIT_LIST_HEAD(&dev_drv->update_regs_list);
4301                         INIT_LIST_HEAD(&dev_drv->saved_list);
4302                         mutex_init(&dev_drv->update_regs_list_lock);
4303                         init_kthread_worker(&dev_drv->update_regs_worker);
4304
4305                         dev_drv->update_regs_thread =
4306                             kthread_run(kthread_worker_fn,
4307                                         &dev_drv->update_regs_worker, "rk-fb");
4308                         if (IS_ERR(dev_drv->update_regs_thread)) {
4309                                 int err = PTR_ERR(dev_drv->update_regs_thread);
4310
4311                                 dev_drv->update_regs_thread = NULL;
4312                                 pr_info("failed to run update_regs thread\n");
4313                                 return err;
4314                         }
4315                         init_kthread_work(&dev_drv->update_regs_work,
4316                                           rk_fb_update_regs_handler);
4317
4318                         snprintf(time_line_name, sizeof(time_line_name),
4319                                  "vop%d-timeline", id);
4320                         dev_drv->timeline =
4321                             sw_sync_timeline_create(time_line_name);
4322                         dev_drv->timeline_max = 1;
4323                 }
4324         }
4325
4326         /* show logo for primary display device */
4327 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4328         if (dev_drv->prop == PRMRY) {
4329                 u16 xact, yact;
4330                 int format;
4331                 u32 dsp_addr;
4332                 struct fb_info *main_fbi = rk_fb->fb[0];
4333
4334                 main_fbi->fbops->fb_open(main_fbi, 1);
4335                 main_fbi->var.pixclock = dev_drv->pixclock;
4336                 if (dev_drv->iommu_enabled) {
4337                         if (dev_drv->mmu_dev)
4338                                 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4339                                                 rk_fb_sysmmu_fault_handler);
4340                 }
4341
4342                 rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
4343                 dev_drv->uboot_logo = support_uboot_display();
4344
4345                 if (dev_drv->uboot_logo &&
4346                     uboot_logo_offset && uboot_logo_base) {
4347                         int width, height, bits, xvir;
4348                         phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4349                         unsigned int size = uboot_logo_size - uboot_logo_offset;
4350                         unsigned int nr_pages;
4351                         int ymirror = 0;
4352                         struct page **pages;
4353                         char *vaddr;
4354                         int i = 0;
4355
4356                         if (dev_drv->ops->get_dspbuf_info)
4357                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4358                                         &yact, &format, &dsp_addr, &ymirror);
4359                         nr_pages = size >> PAGE_SHIFT;
4360                         pages = kzalloc(sizeof(struct page) * nr_pages,
4361                                         GFP_KERNEL);
4362                         while (i < nr_pages) {
4363                                 pages[i] = phys_to_page(start);
4364                                 start += PAGE_SIZE;
4365                                 i++;
4366                         }
4367                         vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4368                         if (!vaddr) {
4369                                 pr_err("failed to vmap phy addr 0x%lx\n",
4370                                        (long)(uboot_logo_base +
4371                                        uboot_logo_offset));
4372                                 return -1;
4373                         }
4374
4375                         if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4376                                        &height, &bits)) {
4377                                 kfree(pages);
4378                                 vunmap(vaddr);
4379                                 return 0;
4380                         }
4381                         kfree(pages);
4382                         vunmap(vaddr);
4383                         if (dev_drv->uboot_logo &&
4384                             (width != xact || height != yact)) {
4385                                 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4386                                        xact, yact, width, height);
4387                                 return 0;
4388                         }
4389                         xvir = ALIGN(width * bits, 1 << 5) >> 5;
4390                         ymirror = 0;
4391                         local_irq_save(flags);
4392                         if (dev_drv->ops->wait_frame_start)
4393                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4394                         if (dev_drv->ops->post_dspbuf) {
4395                                 dev_drv->ops->post_dspbuf(dev_drv,
4396                                         main_fbi->fix.smem_start,
4397                                         rk_fb_data_fmt(0, bits),
4398                                         width, height, xvir,
4399                                         ymirror);
4400                         }
4401                         if (dev_drv->iommu_enabled) {
4402                                 rk_fb_poll_wait_frame_complete();
4403                                 if (dev_drv->ops->mmu_en)
4404                                         dev_drv->ops->mmu_en(dev_drv);
4405                                 freed_index = 0;
4406                         }
4407                         local_irq_restore(flags);
4408                         return 0;
4409                 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4410                         u32 start = uboot_logo_base;
4411                         int logo_len, i = 0;
4412                         int y_mirror = 0;
4413                         unsigned int nr_pages;
4414                         struct page **pages;
4415                         char *vaddr;
4416                         int align = 0, xvir;
4417
4418                         dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4419                                                       &yact, &format,
4420                                                       &start,
4421                                                       &y_mirror);
4422                         logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4423                         if (logo_len > uboot_logo_size ||
4424                             logo_len > main_fbi->fix.smem_len) {
4425                                 pr_err("logo size > uboot reserve buffer size\n");
4426                                 return -1;
4427                         }
4428                         if (y_mirror)
4429                                 start -= logo_len;
4430
4431                         align = start % PAGE_SIZE;
4432                         start -= align;
4433                         nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4434                         pages = kzalloc(sizeof(struct page) * nr_pages,
4435                                         GFP_KERNEL);
4436                         while (i < nr_pages) {
4437                                 pages[i] = phys_to_page(start);
4438                                 start += PAGE_SIZE;
4439                                 i++;
4440                         }
4441                         vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4442                         if (!vaddr) {
4443                                 pr_err("failed to vmap phy addr 0x%x\n",
4444                                        start);
4445                                 return -1;
4446                         }
4447
4448                         memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4449
4450                         kfree(pages);
4451                         vunmap(vaddr);
4452                         xvir = ALIGN(xact * rk_fb_pixel_width(format),
4453                                      1 << 5) >> 5;
4454                         local_irq_save(flags);
4455                         if (dev_drv->ops->wait_frame_start)
4456                                 dev_drv->ops->wait_frame_start(dev_drv, 0);
4457                         dev_drv->ops->post_dspbuf(dev_drv,
4458                                         main_fbi->fix.smem_start +
4459                                         (y_mirror ? logo_len : 0),
4460                                         format, xact, yact,
4461                                         xvir,
4462                                         y_mirror);
4463                         if (dev_drv->iommu_enabled) {
4464                                 rk_fb_poll_wait_frame_complete();
4465                                 if (dev_drv->ops->mmu_en)
4466                                         dev_drv->ops->mmu_en(dev_drv);
4467                                 freed_index = 0;
4468                         }
4469                         local_irq_restore(flags);
4470                         return 0;
4471                 } else {
4472                         if (dev_drv->iommu_enabled) {
4473                                 if (dev_drv->ops->mmu_en)
4474                                         dev_drv->ops->mmu_en(dev_drv);
4475                                 freed_index = 0;
4476                         }
4477                 }
4478 #if defined(CONFIG_LOGO)
4479                 main_fbi->fbops->fb_set_par(main_fbi);
4480 #if  defined(CONFIG_LOGO_LINUX_BMP)
4481                 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4482                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4483                         fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4484                 }
4485 #else
4486                 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4487                         fb_set_cmap(&main_fbi->cmap, main_fbi);
4488                         fb_show_logo(main_fbi, FB_ROTATE_UR);
4489                 }
4490 #endif
4491                 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4492 #endif
4493         } else {
4494                 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4495
4496                 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4497                 if (rk_fb->disp_mode == DUAL_LCD) {
4498                         extend_fbi->fbops->fb_open(extend_fbi, 1);
4499                         if (dev_drv->iommu_enabled) {
4500                                 if (dev_drv->mmu_dev)
4501                                         rockchip_iovmm_set_fault_handler(dev_drv->dev,
4502                                                                          rk_fb_sysmmu_fault_handler);
4503                         }
4504                         rk_fb_alloc_buffer(extend_fbi);
4505                 }
4506         }
4507 #endif
4508         return 0;
4509 }
4510
4511 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4512 {
4513         struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4514         struct fb_info *fbi;
4515         int fb_index_base = dev_drv->fb_index_base;
4516         int fb_num = dev_drv->lcdc_win_num;
4517         int i = 0;
4518
4519         if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4520                 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4521                 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4522         }
4523
4524         for (i = 0; i < fb_num; i++)
4525                 kfree(dev_drv->win[i]);
4526
4527         for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4528                 fbi = fb_inf->fb[i];
4529                 unregister_framebuffer(fbi);
4530                 /* rk_release_fb_buffer(fbi); */
4531                 framebuffer_release(fbi);
4532         }
4533         fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4534         fb_inf->num_lcdc--;
4535
4536         return 0;
4537 }
4538
4539 int rk_fb_set_car_reverse_status(struct rk_lcdc_driver *dev_drv,
4540                                  int status)
4541 {
4542         char *envp[3] = {"Request", "FORCE UPDATE", NULL};
4543
4544         if (status) {
4545                 car_reversing = 1;
4546                 flush_kthread_worker(&dev_drv->update_regs_worker);
4547                 dev_drv->timeline_max++;
4548 #ifdef H_USE_FENCE
4549                 sw_sync_timeline_inc(dev_drv->timeline, 1);
4550 #endif
4551                 pr_debug("%s: camcap reverse start...\n", __func__);
4552         } else {
4553                 car_reversing = 0;
4554                 kobject_uevent_env(&dev_drv->dev->kobj,
4555                                    KOBJ_CHANGE, envp);
4556                 pr_debug("%s: camcap reverse finish...\n", __func__);
4557         }
4558
4559         return 0;
4560 }
4561
4562 static int rk_fb_probe(struct platform_device *pdev)
4563 {
4564         struct rk_fb *rk_fb = NULL;
4565         struct device_node *np = pdev->dev.of_node;
4566         u32 mode, ret;
4567         struct device_node *node;
4568
4569         if (!np) {
4570                 dev_err(&pdev->dev, "Missing device tree node.\n");
4571                 return -EINVAL;
4572         }
4573
4574         rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4575         if (!rk_fb) {
4576                 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4577                 return -ENOMEM;
4578         }
4579         platform_set_drvdata(pdev, rk_fb);
4580
4581         if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4582                 rk_fb->disp_mode = mode;
4583
4584         } else {
4585                 dev_err(&pdev->dev, "no disp-mode node found!");
4586                 return -ENODEV;
4587         }
4588
4589         if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4590                 rk_fb->disp_policy = mode;
4591                 pr_info("fb disp policy is %s\n",
4592                         rk_fb->disp_policy ? "box" : "sdk");
4593         }
4594
4595         if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4596                 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4597
4598         dev_set_name(&pdev->dev, "rockchip-fb");
4599 #if defined(CONFIG_ION_ROCKCHIP)
4600         rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4601         if (IS_ERR(rk_fb->ion_client)) {
4602                 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4603                 return PTR_ERR(rk_fb->ion_client);
4604         } else {
4605                 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4606         }
4607 #endif
4608
4609         node = of_parse_phandle(np, "memory-region", 0);
4610         if (node) {
4611                 struct resource r;
4612
4613                 ret = of_address_to_resource(node, 0, &r);
4614                 if (ret)
4615                         return ret;
4616
4617                 if (uboot_logo_on) {
4618                         uboot_logo_base = r.start;
4619                         uboot_logo_size = resource_size(&r);
4620
4621                         if (uboot_logo_size > SZ_16M)
4622                                 uboot_logo_offset = SZ_16M;
4623                         else
4624                                 uboot_logo_offset = 0;
4625                 }
4626                 pr_info("logo: base=0x%llx, size=0x%llx, offset=0x%llx\n",
4627                         uboot_logo_base, uboot_logo_size, uboot_logo_offset);
4628         }
4629
4630         fb_pdev = pdev;
4631         dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4632         return 0;
4633 }
4634
4635 static int rk_fb_remove(struct platform_device *pdev)
4636 {
4637         platform_set_drvdata(pdev, NULL);
4638         return 0;
4639 }
4640
4641 static void rk_fb_shutdown(struct platform_device *pdev)
4642 {
4643         struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4644         int i;
4645
4646         for (i = 0; i < rk_fb->num_lcdc; i++) {
4647                 if (!rk_fb->lcdc_dev_drv[i])
4648                         continue;
4649                 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4650         }
4651 }
4652
4653 static const struct of_device_id rkfb_dt_ids[] = {
4654         {.compatible = "rockchip,rk-fb",},
4655         {}
4656 };
4657
4658 static struct platform_driver rk_fb_driver = {
4659         .probe = rk_fb_probe,
4660         .remove = rk_fb_remove,
4661         .driver = {
4662                    .name = "rk-fb",
4663                    .owner = THIS_MODULE,
4664                    .of_match_table = of_match_ptr(rkfb_dt_ids),
4665                    },
4666         .shutdown = rk_fb_shutdown,
4667 };
4668
4669 static int __init rk_fb_init(void)
4670 {
4671         return platform_driver_register(&rk_fb_driver);
4672 }
4673
4674 static void __exit rk_fb_exit(void)
4675 {
4676         platform_driver_unregister(&rk_fb_driver);
4677 }
4678
4679 fs_initcall(rk_fb_init);
4680 module_exit(rk_fb_exit);