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/rkfb/rk_fb.h>
29 #define RK30_MAX_LCDC_SUPPORT 4
30 #define RK30_MAX_LAYER_SUPPORT 4
31 #define RK_MAX_FB_SUPPORT 8
33 #define FB0_IOCTL_STOP_TIMER_FLUSH 0x6001
34 #define FB0_IOCTL_SET_PANEL 0x6002
40 #define FB0_IOCTL_SET_BUF 0x6017
41 #define FB0_IOCTL_COPY_CURBUF 0x6018
42 #define FB0_IOCTL_CLOSE_BUF 0x6019
45 #define RK_FBIOGET_PANEL_SIZE 0x5001
46 #define RK_FBIOSET_YUV_ADDR 0x5002
47 #define RK_FBIOGET_SCREEN_STATE 0X4620
48 #define RK_FBIOGET_16OR32 0X4621
49 #define RK_FBIOGET_IDLEFBUff_16OR32 0X4622
50 #define RK_FBIOSET_COMPOSE_LAYER_COUNTS 0X4623
52 #define RK_FBIOGET_DMABUF_FD 0x5003
53 #define RK_FBIOSET_DMABUF_FD 0x5004
54 #define RK_FB_IOCTL_SET_I2P_ODD_ADDR 0x5005
55 #define RK_FB_IOCTL_SET_I2P_EVEN_ADDR 0x5006
56 #define RK_FBIOSET_OVERLAY_STATE 0x5018
57 #define RK_FBIOGET_OVERLAY_STATE 0X4619
58 #define RK_FBIOSET_ENABLE 0x5019
59 #define RK_FBIOGET_ENABLE 0x5020
60 #define RK_FBIOSET_CONFIG_DONE 0x4628
61 #define RK_FBIOSET_VSYNC_ENABLE 0x4629
62 #define RK_FBIOPUT_NUM_BUFFERS 0x4625
63 #define RK_FBIOPUT_COLOR_KEY_CFG 0x4626
66 #define RK_LF_STATUS_FC 0xef
67 #define RK_LF_STATUS_FR 0xee
68 #define RK_LF_STATUS_NC 0xfe
69 #define RK_LF_MAX_TIMEOUT (1600000UL << 6) //>0.64s
71 #if defined(CONFIG_ION_ROCKCHIP)
72 extern struct ion_client *rockchip_ion_client_create(const char * name);
75 extern int rk_fb_poll_prmry_screen_vblank(void);
76 extern int rk_fb_get_prmry_screen_ft(void);
77 extern bool rk_fb_poll_wait_frame_complete(void);
79 /********************************************************************
80 ** display output interface supported by rockchip lcdc *
81 ********************************************************************/
83 #define OUT_P888 0 //24bit screen,connect to lcdc D0~D23
84 #define OUT_P666 1 //18bit screen,connect to lcdc D0~D17
89 #define OUT_S888DUMY 12
90 #define OUT_P16BPP4 24
91 #define OUT_D888_P666 0x21 //18bit screen,connect to lcdc D2~D7, D10~D15, D18~D23
92 #define OUT_D888_P565 0x22
95 * pixel format definitions,this is copy from android/system/core/include/system/graphics.h
99 HAL_PIXEL_FORMAT_RGBA_8888 = 1,
100 HAL_PIXEL_FORMAT_RGBX_8888 = 2,
101 HAL_PIXEL_FORMAT_RGB_888 = 3,
102 HAL_PIXEL_FORMAT_RGB_565 = 4,
103 HAL_PIXEL_FORMAT_BGRA_8888 = 5,
104 HAL_PIXEL_FORMAT_RGBA_5551 = 6,
105 HAL_PIXEL_FORMAT_RGBA_4444 = 7,
107 /* 0x8 - 0xFF range unavailable */
112 * This range is reserved for pixel formats that are specific to the HAL
113 * implementation. Implementations can use any value in this range to
114 * communicate video pixel formats between their HAL modules. These formats
115 * must not have an alpha channel. Additionally, an EGLimage created from a
116 * gralloc buffer of one of these formats must be supported for use with the
117 * GL_OES_EGL_image_external OpenGL ES extension.
121 * Android YUV format:
123 * This format is exposed outside of the HAL to software decoders and
124 * applications. EGLImageKHR must support it in conjunction with the
125 * OES_EGL_image_external extension.
127 * YV12 is a 4:2:0 YCrCb planar format comprised of a WxH Y plane followed
128 * by (W/2) x (H/2) Cr and Cb planes.
130 * This format assumes
133 * - a horizontal stride multiple of 16 pixels
134 * - a vertical stride equal to the height
136 * y_size = stride * height
137 * c_size = ALIGN(stride/2, 16) * height/2
138 * size = y_size + c_size * 2
140 * cb_offset = y_size + c_size
143 HAL_PIXEL_FORMAT_YV12 = 0x32315659, // YCrCb 4:2:0 Planar
145 /* Legacy formats (deprecated), used by ImageFormat.java */
146 HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x10, // NV16
147 HAL_PIXEL_FORMAT_YCrCb_420_SP = 0x11, // NV21
148 HAL_PIXEL_FORMAT_YCbCr_422_I = 0x14, // YUY2
149 HAL_PIXEL_FORMAT_YCrCb_NV12 = 0x20, // YUY2
150 HAL_PIXEL_FORMAT_YCrCb_NV12_VIDEO = 0x21, // YUY2
151 HAL_PIXEL_FORMAT_YCrCb_444 = 0x22, //yuv444
155 //display data format
168 enum fb_win_map_order {
169 FB_DEFAULT_ORDER = 0,
170 FB0_WIN2_FB1_WIN1_FB2_WIN0 = 12,
171 FB0_WIN1_FB1_WIN2_FB2_WIN0 = 21,
172 FB0_WIN2_FB1_WIN0_FB2_WIN1 = 102,
173 FB0_WIN0_FB1_WIN2_FB2_WIN1 = 120,
174 FB0_WIN0_FB1_WIN1_FB2_WIN2 = 210,
175 FB0_WIN1_FB1_WIN0_FB2_WIN2 = 201,
179 struct fb_bitfield red;
180 struct fb_bitfield green;
181 struct fb_bitfield blue;
182 struct fb_bitfield transp;
186 wait_queue_head_t wait;
191 struct mutex irq_lock;
192 struct task_struct *thread;
195 struct color_key_cfg {
196 u32 win0_color_key_cfg;
197 u32 win1_color_key_cfg;
198 u32 win2_color_key_cfg;
212 struct rk_disp_pwr_ctr_list {
213 struct list_head list;
214 struct pwr_ctr pwr_ctr;
217 typedef enum _TRSP_MODE {
230 bool state; /*on or off*/
232 u32 y_offset; /*yuv/rgb offset -->LCDC_WINx_YRGB_MSTx*/
233 u32 c_offset; /*cb cr offset--->LCDC_WINx_CBR_MSTx*/
234 u32 xpos; /*start point in panel --->LCDC_WINx_DSP_ST*/
236 u16 xsize; /* display window width/height -->LCDC_WINx_DSP_INFO*/
238 u16 xact; /*origin display window size -->LCDC_WINx_ACT_INFO*/
240 u16 xvir; /*virtual width/height -->LCDC_WINx_VIR*/
242 unsigned long smem_start;
243 unsigned long cbr_start; /*Cbr memory start address*/
244 enum data_format format;
245 #if defined(CONFIG_ION_ROCKCHIP)
246 struct ion_handle *ion_hdl;
264 struct rk_lcdc_driver;
266 struct rk_lcdc_drv_ops {
267 int (*open) (struct rk_lcdc_driver * dev_drv, int layer_id, bool open);
268 int (*init_lcdc) (struct rk_lcdc_driver * dev_drv);
269 int (*ioctl) (struct rk_lcdc_driver * dev_drv, unsigned int cmd,
270 unsigned long arg, int layer_id);
271 int (*suspend) (struct rk_lcdc_driver * dev_drv);
272 int (*resume) (struct rk_lcdc_driver * dev_drv);
273 int (*blank) (struct rk_lcdc_driver * dev_drv, int layer_id,
275 int (*set_par) (struct rk_lcdc_driver * dev_drv, int layer_id);
276 int (*pan_display) (struct rk_lcdc_driver * dev_drv, int layer_id);
277 int (*lcdc_reg_update) (struct rk_lcdc_driver * dev_drv);
278 ssize_t(*get_disp_info) (struct rk_lcdc_driver * dev_drv, char *buf,
280 int (*load_screen) (struct rk_lcdc_driver * dev_drv, bool initscreen);
281 int (*get_win_state) (struct rk_lcdc_driver * dev_drv, int layer_id);
282 int (*ovl_mgr) (struct rk_lcdc_driver * dev_drv, int swap, bool set); //overlay manager
283 int (*fps_mgr) (struct rk_lcdc_driver * dev_drv, int fps, bool set);
284 int (*fb_get_win_id) (struct rk_lcdc_driver * dev_drv, const char *id); //find layer for fb
285 int (*fb_win_remap) (struct rk_lcdc_driver * dev_drv,
286 enum fb_win_map_order order);
287 int (*set_dsp_lut) (struct rk_lcdc_driver * dev_drv, int *lut);
288 int (*read_dsp_lut) (struct rk_lcdc_driver * dev_drv, int *lut);
289 int (*lcdc_hdmi_process) (struct rk_lcdc_driver * dev_drv, int mode); //some lcdc need to some process in hdmi mode
290 int (*poll_vblank) (struct rk_lcdc_driver * dev_drv);
291 int (*lcdc_rst) (struct rk_lcdc_driver * dev_drv);
292 int (*dpi_open) (struct rk_lcdc_driver * dev_drv, bool open);
293 int (*dpi_win_sel) (struct rk_lcdc_driver * dev_drv, int layer_id);
294 int (*dpi_status) (struct rk_lcdc_driver * dev_drv);
298 struct rk_lcdc_driver {
304 struct rk_lcdc_win *win[RK_MAX_FB_SUPPORT];
306 int num_buf; //the num_of buffer
307 int fb_index_base; //the first fb index of the lcdc device
308 struct rk_screen *screen0; //some platform have only one lcdc,but extend
309 struct rk_screen *screen1; //two display devices for dual display,such as rk2918,rk2928
310 struct rk_screen *cur_screen; //screen0 is primary screen ,like lcd panel,screen1 is extend screen,like hdmi
316 struct mutex fb_win_id_mutex;
318 struct completion frame_done; //sync for pan_display,whe we set a new frame address to lcdc register,we must make sure the frame begain to display
319 spinlock_t cpl_lock; //lock for completion frame done
321 struct rk_fb_vsync vsync_info;
322 int wait_fs; //wait for new frame start in kernel
324 struct rk29fb_info *screen_ctr_info;
325 struct list_head pwrlist_head;
326 struct rk_lcdc_drv_ops *ops;
330 /*disp_mode: dual display mode
331 * NO_DUAL,no dual display,
332 ONE_DUAL,use one lcdc + rk61x for dual display
333 DUAL,use 2 lcdcs for dual display
334 num_fb: the total number of fb
335 num_lcdc: the total number of lcdc
340 struct rk29fb_info *mach_info;
341 struct fb_info *fb[RK_MAX_FB_SUPPORT];
344 struct rk_lcdc_driver *lcdc_dev_drv[RK30_MAX_LCDC_SUPPORT];
347 #if defined(CONFIG_ION_ROCKCHIP)
348 struct ion_client * ion_client;
353 extern int rk_fb_register(struct rk_lcdc_driver *dev_drv,
354 struct rk_lcdc_win *win, int id);
355 extern int rk_fb_unregister(struct rk_lcdc_driver *dev_drv);
356 extern struct rk_lcdc_driver *rk_get_lcdc_drv(char *name);
357 extern struct rk_screen *rk_fb_get_prmry_screen(void);
358 extern u32 rk_fb_get_prmry_screen_pixclock(void);
359 extern int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv);
360 extern int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv);
361 extern int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv);
362 extern bool is_prmry_rk_lcdc_registered(void);
364 static int inline support_uboot_display(void)
369 extern int rk_disp_prase_timing_dt(struct rk_lcdc_driver *dev_drv);
371 extern int rk_fb_dpi_open(bool open);
372 extern int rk_fb_dpi_layer_sel(int layer_id);
373 extern int rk_fb_dpi_status(void);
375 extern int rk_fb_switch_screen(struct rk_screen * screen, int enable, int lcdc_id);
376 extern int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id);
377 extern int rkfb_create_sysfs(struct fb_info *fbi);
378 extern char *get_format_string(enum data_format, char *fmt);
379 extern int support_uboot_display(void);
380 extern int rk_fb_calc_fps(struct rk_screen * screen, u32 pixclock);
382 #if defined(CONFIG_BACKLIGHT_RK29_BL)
383 void rk29_backlight_set(bool on);
384 bool rk29_get_backlight_status(void);
386 static void rk29_backlight_set(bool on)
391 static bool rk29_get_backlight_status(void)