1 /* drivers/video/rk_fb.h
3 * Copyright (C) 2010 ROCKCHIP, Inc.
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
16 #ifndef __ARCH_ARM_MACH_RK30_FB_H
17 #define __ARCH_ARM_MACH_RK30_FB_H
20 #include <linux/platform_device.h>
21 #include <linux/completion.h>
22 #include <linux/spinlock.h>
23 #include <asm/atomic.h>
24 #include <linux/rk_screen.h>
25 #if defined(CONFIG_OF)
26 #include <dt-bindings/display/rk_fb.h>
28 #include "../../drivers/staging/android/sw_sync.h"
29 #include <linux/file.h>
30 #include <linux/kthread.h>
33 #define RK30_MAX_LCDC_SUPPORT 2
34 #define RK30_MAX_LAYER_SUPPORT 5
35 #define RK_MAX_FB_SUPPORT 5
36 #define RK_WIN_MAX_AREA 4
37 #define RK_MAX_BUF_NUM 11
39 #define FB0_IOCTL_STOP_TIMER_FLUSH 0x6001
40 #define FB0_IOCTL_SET_PANEL 0x6002
46 #define FB0_IOCTL_SET_BUF 0x6017
47 #define FB0_IOCTL_COPY_CURBUF 0x6018
48 #define FB0_IOCTL_CLOSE_BUF 0x6019
51 #define RK_FBIOGET_PANEL_SIZE 0x5001
52 #define RK_FBIOSET_YUV_ADDR 0x5002
53 #define RK_FBIOGET_SCREEN_STATE 0X4620
54 #define RK_FBIOGET_16OR32 0X4621
55 #define RK_FBIOGET_IDLEFBUff_16OR32 0X4622
56 #define RK_FBIOSET_COMPOSE_LAYER_COUNTS 0X4623
57 #define RK_FBIOSET_HWC_ADDR 0x4624
59 #define RK_FBIOGET_DMABUF_FD 0x5003
60 #define RK_FBIOSET_DMABUF_FD 0x5004
61 #define RK_FB_IOCTL_SET_I2P_ODD_ADDR 0x5005
62 #define RK_FB_IOCTL_SET_I2P_EVEN_ADDR 0x5006
63 #define RK_FBIOSET_OVERLAY_STA 0x5018
64 #define RK_FBIOGET_OVERLAY_STA 0X4619
65 #define RK_FBIOSET_ENABLE 0x5019
66 #define RK_FBIOGET_ENABLE 0x5020
67 #define RK_FBIOSET_CONFIG_DONE 0x4628
68 #define RK_FBIOSET_VSYNC_ENABLE 0x4629
69 #define RK_FBIOPUT_NUM_BUFFERS 0x4625
70 #define RK_FBIOPUT_COLOR_KEY_CFG 0x4626
71 #define RK_FBIOGET_DSP_ADDR 0x4630
72 #define RK_FBIOGET_LIST_STA 0X4631
73 #define RK_FBIOGET_IOMMU_STA 0x4632
74 #define RK_FBIOSET_CLEAR_FB 0x4633
78 #define RK_LF_STATUS_FC 0xef
79 #define RK_LF_STATUS_FR 0xee
80 #define RK_LF_STATUS_NC 0xfe
81 #define RK_LF_MAX_TIMEOUT (1600000UL << 6) //>0.64s
84 * pixel align value for gpu,align as 64 bytes in an odd number of times
86 #define ALIGN_PIXEL_64BYTE_RGB565 32 /* 64/2*/
87 #define ALIGN_PIXEL_64BYTE_RGB8888 16 /* 64/4*/
88 #define ALIGN_N_TIMES(x, align) (((x) % (align) == 0) ? (x) : (((x) + ((align) - 1)) & (~((align) - 1))))
89 #define ALIGN_ODD_TIMES(x, align) (((x) % ((align) * 2) == 0) ? ((x) + (align)) : (x))
90 #define ALIGN_64BYTE_ODD_TIMES(x, align) ALIGN_ODD_TIMES(ALIGN_N_TIMES(x, align), align)
92 #define DUMP_FRAME_NUM 3
94 //#define USE_ION_MMU 1
95 #if defined(CONFIG_ION_ROCKCHIP)
96 extern struct ion_client *rockchip_ion_client_create(const char *name);
99 extern int rk_fb_poll_prmry_screen_vblank(void);
100 extern u32 rk_fb_get_prmry_screen_ft(void);
101 extern u32 rk_fb_get_prmry_screen_vbt(void);
102 extern u64 rk_fb_get_prmry_screen_framedone_t(void);
103 extern int rk_fb_set_prmry_screen_status(int status);
104 extern bool rk_fb_poll_wait_frame_complete(void);
112 #define CSC_MASK (0x3 << CSC_SHIFT)
113 #define CSC_FORMAT(x) (((x) & CSC_MASK) >> CSC_SHIFT)
115 #define BT601(x) ((CSC_BT601 << CSC_SHIFT) | ((x) & ~CSC_MASK))
116 #define BT709(x) ((CSC_BT709 << CSC_SHIFT) | ((x) & ~CSC_MASK))
117 #define BT2020(x) ((CSC_BT2020 << CSC_SHIFT) | ((x) & ~CSC_MASK))
120 * pixel format definitions,this is copy from android/system/core/include/system/graphics.h
123 HAL_PIXEL_FORMAT_RGBA_8888 = 1,
124 HAL_PIXEL_FORMAT_RGBX_8888 = 2,
125 HAL_PIXEL_FORMAT_RGB_888 = 3,
126 HAL_PIXEL_FORMAT_RGB_565 = 4,
127 HAL_PIXEL_FORMAT_BGRA_8888 = 5,
128 HAL_PIXEL_FORMAT_RGBA_5551 = 6,
129 HAL_PIXEL_FORMAT_RGBA_4444 = 7,
131 /* 0x8 - 0xFF range unavailable */
136 * This range is reserved for pixel formats that are specific to the HAL
137 * implementation. Implementations can use any value in this range to
138 * communicate video pixel formats between their HAL modules. These formats
139 * must not have an alpha channel. Additionally, an EGLimage created from a
140 * gralloc buffer of one of these formats must be supported for use with the
141 * GL_OES_EGL_image_external OpenGL ES extension.
145 * Android YUV format:
147 * This format is exposed outside of the HAL to software decoders and
148 * applications. EGLImageKHR must support it in conjunction with the
149 * OES_EGL_image_external extension.
151 * YV12 is a 4:2:0 YCrCb planar format comprised of a WxH Y plane followed
152 * by (W/2) x (H/2) Cr and Cb planes.
154 * This format assumes
157 * - a horizontal stride multiple of 16 pixels
158 * - a vertical stride equal to the height
160 * y_size = stride * height
161 * c_size = ALIGN(stride/2, 16) * height/2
162 * size = y_size + c_size * 2
164 * cb_offset = y_size + c_size
167 HAL_PIXEL_FORMAT_YV12 = 0x32315659, // YCrCb 4:2:0 Planar
169 /* Legacy formats (deprecated), used by ImageFormat.java */
172 * YCbCr format default is BT601.
174 HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x10, // NV16
175 HAL_PIXEL_FORMAT_YCrCb_420_SP = 0x11, // NV21
176 HAL_PIXEL_FORMAT_YCbCr_422_I = 0x14, // YUY2
177 HAL_PIXEL_FORMAT_YCrCb_NV12 = 0x20, // YUY2
178 HAL_PIXEL_FORMAT_YCrCb_NV12_VIDEO = 0x21, // YUY2
180 HAL_PIXEL_FORMAT_YCrCb_NV12_10 = 0x22, // YUV420_1obit
181 HAL_PIXEL_FORMAT_YCbCr_422_SP_10 = 0x23, // YUV422_1obit
182 HAL_PIXEL_FORMAT_YCrCb_444_SP_10 = 0x24, //YUV444_1obit
184 HAL_PIXEL_FORMAT_YCrCb_444 = 0x25, //yuv444
185 HAL_PIXEL_FORMAT_FBDC_RGB565 = 0x26,
186 HAL_PIXEL_FORMAT_FBDC_U8U8U8U8 = 0x27, /*ARGB888*/
187 HAL_PIXEL_FORMAT_FBDC_U8U8U8 = 0x28, /*RGBP888*/
188 HAL_PIXEL_FORMAT_FBDC_RGBA888 = 0x29, /*ABGR888*/
190 HAL_PIXEL_FORMAT_YCrCb_NV12_BT709 =
191 BT709(HAL_PIXEL_FORMAT_YCrCb_NV12),
192 HAL_PIXEL_FORMAT_YCrCb_NV12_VIDEO_BT709 =
193 BT709(HAL_PIXEL_FORMAT_YCrCb_NV12_VIDEO),
194 HAL_PIXEL_FORMAT_YCbCr_422_SP_BT709 =
195 BT709(HAL_PIXEL_FORMAT_YCbCr_422_SP),
196 HAL_PIXEL_FORMAT_YCrCb_444_BT709 =
197 BT709(HAL_PIXEL_FORMAT_YCrCb_444),
199 HAL_PIXEL_FORMAT_YCrCb_NV12_10_BT709 =
200 BT709(HAL_PIXEL_FORMAT_YCrCb_NV12_10),
201 HAL_PIXEL_FORMAT_YCbCr_422_SP_10_BT709 =
202 BT709(HAL_PIXEL_FORMAT_YCbCr_422_SP_10),
203 HAL_PIXEL_FORMAT_YCrCb_420_SP_10_BT709 =
204 BT709(HAL_PIXEL_FORMAT_YCrCb_444_SP_10),
206 HAL_PIXEL_FORMAT_YCrCb_NV12_10_BT2020 =
207 BT2020(HAL_PIXEL_FORMAT_YCrCb_NV12_10),
208 HAL_PIXEL_FORMAT_YCbCr_422_SP_10_BT2020 =
209 BT2020(HAL_PIXEL_FORMAT_YCbCr_422_SP_10),
210 HAL_PIXEL_FORMAT_YCrCb_420_SP_10_BT2020 =
211 BT2020(HAL_PIXEL_FORMAT_YCrCb_444_SP_10),
214 //display data format
235 #define IS_YUV_FMT(fmt) ((fmt >= YUV420) ? 1 : 0)
236 #define IS_RGB_FMT(fmt) ((fmt < YUV420) ? 1 : 0)
237 #define IS_FBDC_FMT(fmt) \
238 (((fmt >= FBDC_RGB_565) && (fmt <= FBDC_ABGR_888)) ? 1 : 0)
259 SCREEN_PREPARE_DDR_CHANGE = 0x0,
260 SCREEN_UNPREPARE_DDR_CHANGE,
264 GET_PAGE_FAULT = 0x0,
265 CLR_PAGE_FAULT = 0x1,
266 UNMASK_PAGE_FAULT = 0x2
270 struct fb_bitfield red;
271 struct fb_bitfield green;
272 struct fb_bitfield blue;
273 struct fb_bitfield transp;
276 struct rk_fb_frame_time {
277 u64 last_framedone_t;
283 wait_queue_head_t wait;
288 struct mutex irq_lock;
289 struct task_struct *thread;
292 struct color_key_cfg {
293 u32 win0_color_key_cfg;
294 u32 win1_color_key_cfg;
295 u32 win2_color_key_cfg;
304 const char *rgl_name;
309 struct rk_disp_pwr_ctr_list {
310 struct list_head list;
311 struct pwr_ctr pwr_ctr;
314 typedef enum _TRSP_MODE {
324 struct rk_lcdc_post_cfg {
331 struct rk_lcdc_bcsh {
340 struct rk_lcdc_win_area {
342 enum data_format format;
346 u32 y_offset; /*yuv/rgb offset -->LCDC_WINx_YRGB_MSTx*/
347 u32 c_offset; /*cb cr offset--->LCDC_WINx_CBR_MSTx*/
348 u16 xpos; /*start point in panel --->LCDC_WINx_DSP_ST*/
350 u16 xsize; /* display window width/height -->LCDC_WINx_DSP_INFO*/
352 u16 xact; /*origin display window size -->LCDC_WINx_ACT_INFO*/
354 u16 xvir; /*virtual width/height -->LCDC_WINx_VIR*/
356 u16 xoff; /*mem offset*/
358 unsigned long smem_start;
359 unsigned long cbr_start; /*Cbr memory start address*/
360 #if defined(CONFIG_ION_ROCKCHIP)
361 struct ion_handle *ion_hdl;
363 struct dma_buf *dma_buf;
375 u8 fbdc_dsp_width_ratio;
377 u16 fbdc_mb_vir_width;
378 u16 fbdc_mb_vir_height;
384 u16 fbdc_cmp_index_init;
391 bool state; /*on or off*/
392 bool last_state; /*on or off*/
394 int z_order; /*win sel layer*/
408 u8 yrgb_hor_scl_mode;//h 01:scale up ;10:down
409 u8 yrgb_ver_scl_mode;//v 01:scale up ;10:down
410 u8 yrgb_hsd_mode;//h scale down mode
411 u8 yrgb_vsu_mode;//v scale up mode
412 u8 yrgb_vsd_mode;//v scale down mode
431 struct rk_lcdc_win_area area[RK_WIN_MAX_AREA];
432 struct rk_lcdc_post_cfg post_cfg;
435 struct rk_lcdc_driver;
437 struct rk_fb_trsm_ops {
439 int (*disable)(void);
440 int (*dsp_pwr_on) (void);
441 int (*dsp_pwr_off) (void);
444 struct rk_lcdc_drv_ops {
445 int (*open) (struct rk_lcdc_driver *dev_drv, int layer_id, bool open);
446 int (*win_direct_en)(struct rk_lcdc_driver *dev_drv, int win_id, int en);
447 int (*init_lcdc) (struct rk_lcdc_driver *dev_drv);
448 int (*ioctl) (struct rk_lcdc_driver *dev_drv, unsigned int cmd,
449 unsigned long arg, int layer_id);
450 int (*suspend) (struct rk_lcdc_driver *dev_drv);
451 int (*resume) (struct rk_lcdc_driver *dev_drv);
452 int (*blank) (struct rk_lcdc_driver *dev_drv, int layer_id,
454 int (*set_par) (struct rk_lcdc_driver *dev_drv, int layer_id);
455 int (*pan_display) (struct rk_lcdc_driver *dev_drv, int layer_id);
456 int (*direct_set_addr)(struct rk_lcdc_driver *drv, int win_id, u32 addr);
457 int (*lcdc_reg_update) (struct rk_lcdc_driver *dev_drv);
458 ssize_t(*get_disp_info) (struct rk_lcdc_driver *dev_drv, char *buf,
460 int (*load_screen) (struct rk_lcdc_driver *dev_drv, bool initscreen);
461 int (*get_dspbuf_info) (struct rk_lcdc_driver *dev_drv,
462 u16 *xact, u16 *yact, int *format,
463 u32 *dsp_addr, int *ymirror);
464 int (*post_dspbuf)(struct rk_lcdc_driver *dev_drv, u32 rgb_mst,
465 int format, u16 xact, u16 yact, u16 xvir,
468 int (*get_win_state) (struct rk_lcdc_driver *dev_drv, int layer_id, int area_id);
469 int (*ovl_mgr) (struct rk_lcdc_driver *dev_drv, int swap, bool set); /*overlay manager*/
470 int (*fps_mgr) (struct rk_lcdc_driver *dev_drv, int fps, bool set);
471 int (*fb_get_win_id) (struct rk_lcdc_driver *dev_drv, const char *id); /*find layer for fb*/
472 int (*fb_win_remap) (struct rk_lcdc_driver *dev_drv,
473 u16 fb_win_map_order);
474 int (*set_dsp_lut) (struct rk_lcdc_driver *dev_drv, int *lut);
475 int (*set_cabc_lut)(struct rk_lcdc_driver *dev_drv, int *lut);
476 int (*set_hwc_lut) (struct rk_lcdc_driver *dev_drv, int *hwc_lut, int mode);
477 int (*read_dsp_lut) (struct rk_lcdc_driver *dev_drv, int *lut);
478 int (*lcdc_hdmi_process) (struct rk_lcdc_driver *dev_drv, int mode); /*some lcdc need to some process in hdmi mode*/
479 int (*set_irq_to_cpu)(struct rk_lcdc_driver *dev_drv,int enable);
480 int (*poll_vblank) (struct rk_lcdc_driver *dev_drv);
481 int (*lcdc_rst) (struct rk_lcdc_driver *dev_drv);
482 int (*dpi_open) (struct rk_lcdc_driver *dev_drv, bool open);
483 int (*dpi_win_sel) (struct rk_lcdc_driver *dev_drv, int layer_id);
484 int (*dpi_status) (struct rk_lcdc_driver *dev_drv);
485 int (*get_dsp_addr)(struct rk_lcdc_driver *dev_drv, unsigned int dsp_addr[][4]);
486 int (*set_dsp_cabc) (struct rk_lcdc_driver *dev_drv, int mode, int calc, int up, int down, int global);
487 int (*set_dsp_bcsh_hue) (struct rk_lcdc_driver *dev_drv,int sin_hue, int cos_hue);
488 int (*set_dsp_bcsh_bcs)(struct rk_lcdc_driver *dev_drv,bcsh_bcs_mode mode,int value);
489 int (*get_dsp_bcsh_hue) (struct rk_lcdc_driver *dev_drv,bcsh_hue_mode mode);
490 int (*get_dsp_bcsh_bcs)(struct rk_lcdc_driver *dev_drv,bcsh_bcs_mode mode);
491 int (*open_bcsh)(struct rk_lcdc_driver *dev_drv, bool open);
492 int (*set_screen_scaler) (struct rk_lcdc_driver *dev_drv, struct rk_screen *screen, bool enable);
493 int (*dump_reg) (struct rk_lcdc_driver *dev_drv);
494 int (*mmu_en) (struct rk_lcdc_driver *dev_drv);
495 int (*cfg_done) (struct rk_lcdc_driver *dev_drv);
496 int (*set_overscan) (struct rk_lcdc_driver *dev_drv,
497 struct overscan *overscan);
498 int (*dsp_black) (struct rk_lcdc_driver *dev_drv, int enable);
499 int (*backlight_close)(struct rk_lcdc_driver *dev_drv, int enable);
500 int (*area_support_num)(struct rk_lcdc_driver *dev_drv, unsigned int *area_support);
501 int (*extern_func)(struct rk_lcdc_driver *dev_drv, int cmd);
502 int (*wait_frame_start)(struct rk_lcdc_driver *dev_drv, int enable);
505 struct rk_fb_area_par {
506 u8 data_format; /*layer data fmt*/
512 u16 xpos; /*start point in panel --->LCDC_WINx_DSP_ST*/
514 u16 xsize; /* display window width/height -->LCDC_WINx_DSP_INFO*/
516 u16 xact; /*origin display window size -->LCDC_WINx_ACT_INFO*/
518 u16 xvir; /*virtual width/height -->LCDC_WINx_VIR*/
528 struct rk_fb_win_par {
530 u8 z_order; /*win sel layer*/
534 struct rk_fb_area_par area_par[RK_WIN_MAX_AREA];
538 struct rk_fb_win_cfg_data {
541 short rel_fence_fd[RK_MAX_BUF_NUM];
542 struct rk_fb_win_par win_par[RK30_MAX_LAYER_SUPPORT];
543 struct rk_lcdc_post_cfg post_cfg;
546 struct rk_fb_reg_area_data {
547 struct sync_fence *acq_fence;
548 u8 data_format; /*layer data fmt*/
549 u8 index_buf; /*judge if the buffer is index*/
550 u32 y_offset; /*yuv/rgb offset -->LCDC_WINx_YRGB_MSTx*/
551 u32 c_offset; /*cb cr offset--->LCDC_WINx_CBR_MSTx*/
555 u16 xpos; /*start point in panel --->LCDC_WINx_DSP_ST*/
557 u16 xsize; /* display window width/height -->LCDC_WINx_DSP_INFO*/
559 u16 xact; /*origin display window size -->LCDC_WINx_ACT_INFO*/
561 u16 xvir; /*virtual width/height -->LCDC_WINx_VIR*/
563 u16 xoff; /*mem offset*/
565 unsigned long smem_start;
566 unsigned long cbr_start; /*Cbr memory start address*/
568 struct ion_handle *ion_handle;
570 struct dma_buf *dma_buf;
571 struct dma_buf_attachment *attachment;
572 struct sg_table *sg_table;
580 struct rk_fb_reg_win_data {
582 int z_order; /*win sel layer*/
583 u32 area_num; /*maybe two region have the same dma buff,*/
584 u32 area_buf_num; /*so area_num maybe not equal to area_buf_num*/
591 struct rk_fb_reg_area_data reg_area_data[RK_WIN_MAX_AREA];
594 struct rk_fb_reg_data {
595 struct list_head list;
599 struct rk_fb_reg_win_data reg_win_data[RK30_MAX_LAYER_SUPPORT];
600 struct rk_lcdc_post_cfg post_cfg;
603 struct rk_lcdc_driver {
610 struct rk_lcdc_win *win[RK_MAX_FB_SUPPORT];
612 int num_buf; //the num_of buffer
614 int fb_index_base; //the first fb index of the lcdc device
615 struct rk_screen *screen0; //some platform have only one lcdc,but extend
616 struct rk_screen *screen1; //two display devices for dual display,such as rk2918,rk2928
617 struct rk_screen *cur_screen; //screen0 is primary screen ,like lcd panel,screen1 is extend screen,like hdmi
631 char mmu_dts_name[40];
632 struct device *mmu_dev;
635 struct rk_fb_reg_area_data reg_area_data;
637 * front_regs means this config is scaning on the devices.
639 struct rk_fb_reg_data *front_regs;
640 struct mutex front_lock;
642 struct mutex fb_win_id_mutex;
643 struct mutex win_config;
645 struct mutex switch_screen; /*for switch screen*/
646 struct completion frame_done; /*sync for pan_display,whe we set a new
647 frame address to lcdc register,we must
648 make sure the frame begain to display*/
649 spinlock_t cpl_lock; /*lock for completion frame done */
651 struct rk_fb_vsync vsync_info;
652 struct rk_fb_frame_time frame_time;
653 int wait_fs; /*wait for new frame start in kernel */
654 struct sw_sync_timeline *timeline;
658 struct list_head update_regs_list;
659 struct list_head saved_list;
660 struct mutex update_regs_list_lock;
661 struct kthread_worker update_regs_worker;
662 struct task_struct *update_regs_thread;
663 struct kthread_work update_regs_work;
664 wait_queue_head_t update_regs_wait;
666 struct mutex output_lock;
667 struct rk29fb_info *screen_ctr_info;
668 struct list_head pwrlist_head;
669 struct rk_lcdc_drv_ops *ops;
670 struct rk_fb_trsm_ops *trsm_ops;
671 #ifdef CONFIG_DRM_ROCKCHIP
672 void (*irq_call_back)(struct rk_lcdc_driver *driver);
674 struct overscan overscan;
675 struct rk_lcdc_bcsh bcsh;
678 int bcsh_init_status;
681 /*1:hdmi switch uncomplete,0:complete*/
684 struct rk_fb_win_cfg_data tmp_win_cfg[DUMP_FRAME_NUM];
685 struct rk_fb_reg_data tmp_regs[DUMP_FRAME_NUM];
686 unsigned int area_support[RK30_MAX_LAYER_SUPPORT];
693 unsigned long fb_phy_base; /* Start of fb address (physical address) */
694 char __iomem *fb_virt_base; /* Start of fb address (virt address) */
696 struct rk_lcdc_driver *lcdc_drv;
698 #if defined(CONFIG_ION_ROCKCHIP)
699 struct ion_handle *ion_hdl;
704 /*disp_mode: dual display mode
705 * NO_DUAL,no dual display,
706 ONE_DUAL,use one lcdc + rk61x for dual display
707 DUAL,use 2 lcdcs for dual display
708 num_fb: the total number of fb
709 num_lcdc: the total number of lcdc
715 struct rk29fb_info *mach_info;
716 struct fb_info *fb[RK_MAX_FB_SUPPORT*2];
718 struct rk_lcdc_driver *lcdc_dev_drv[RK30_MAX_LCDC_SUPPORT];
721 #if defined(CONFIG_ION_ROCKCHIP)
722 struct ion_client *ion_client;
726 extern int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type);
727 extern struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type);
728 extern int rk_fb_register(struct rk_lcdc_driver *dev_drv,
729 struct rk_lcdc_win *win, int id);
730 extern int rk_fb_unregister(struct rk_lcdc_driver *dev_drv);
731 extern struct rk_lcdc_driver *rk_get_lcdc_drv(char *name);
732 extern int rk_fb_get_extern_screen(struct rk_screen *screen);
733 extern int rk_fb_get_prmry_screen( struct rk_screen *screen);
734 extern int rk_fb_set_prmry_screen(struct rk_screen *screen);
735 extern u32 rk_fb_get_prmry_screen_pixclock(void);
736 extern int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv);
737 extern int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv);
738 extern int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv);
739 extern bool is_prmry_rk_lcdc_registered(void);
740 extern int rk_fb_prase_timing_dt(struct device_node *np,
741 struct rk_screen *screen);
742 extern int rk_disp_prase_timing_dt(struct rk_lcdc_driver *dev_drv);
744 extern int rk_fb_dpi_open(bool open);
745 extern int rk_fb_dpi_layer_sel(int layer_id);
746 extern int rk_fb_dpi_status(void);
748 extern int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id);
749 extern int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id);
750 extern int rkfb_create_sysfs(struct fb_info *fbi);
751 extern char *get_format_string(enum data_format, char *fmt);
752 extern int support_uboot_display(void);
753 extern int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock);
754 extern int rk_get_real_fps(int time);
755 extern struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt);
756 extern void rk_fb_platform_set_sysmmu(struct device *sysmmu,
758 int rk_fb_get_display_policy(void);
759 int rk_fb_pixel_width(int data_format);
760 void trace_buffer_dump(struct device *dev,
761 struct rk_lcdc_driver *dev_drv);
762 extern int rockchip_get_screen_type(void);