/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * * Copyright (C) 2016 Amaury Pouly * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #ifndef __LCD_TARGET_H__ #define __LCD_TARGET_H__ extern fb_data *nwz_framebuffer; /* see lcd-nwz.c */ #define LCD_FRAMEBUF_ADDR(col, row) (nwz_framebuffer + (row)*LCD_WIDTH + (col)) #define NWZ_FB_LCD_DEV "/dev/fb/0" #define NWZ_FB_TV_DEV "/dev/fb/1" #define NWZ_FB_TYPE 'N' /* How backlight works: * * The brightness interface is a bit strange. There 6 levels: 0 throught 5. * Level 0 means backlight off. When changing brightness, one sets level to the * target brightness. The driver is gradually change the brightness to reach the * target level. The step parameters control how many hardware steps will be done. * For example, setting step to 1 will brutally change the level in one step. * Setting step to 2 will change brightness in two steps: one intermediate and * finally the target one. The more steps, the more gradual the transition. The * period parameters controls the speed to changes between steps. Using this * interface, one can achieve fade in/out at various speeds. */ #define NWZ_FB_BL_MIN_LEVEL 0 #define NWZ_FB_BL_MAX_LEVEL 5 #define NWZ_FB_BL_MIN_STEP 1 #define NWZ_FB_BL_MAX_STEP 100 #define NWZ_FB_BL_MIN_PERIOD 10 struct nwz_fb_brightness { int level; /* brightness level: 0-5 */ int step; /* number of hardware steps to do when changing: 1-100 */ int period; /* period in ms between steps when changing: >=10 */ }; /* FB extensions: * * Sony added relatively complicated extensions to the framebuffer. They allow * better control of framebuffer refresh, double-buffering and mixing with DSP * (v4l2). Each outout (LCD and TV) has two buffers, called page 0 and 1 (or A * and B). Each page has its own attributes (image info) that control * transparency, rotation and updates. At any point in time, the LCD is drawing * a page and one can select the next page to draw. Unless an UPDATE ioctl() * is made to change it, the next page will be the same as the one being drawn. * * FIXME I don't know what the timer is, it seems irrelevant for the LCD but * the OF uses it for TV, maybe this controls the refresh rate of the TV output? * Also it only exists on early version (up to generation x60 roughly) * * On a side note, this information only applies to a subset of LCD types (the * LCD type can be gathered from icx_sysinfo): * - BB(0): AQUILA BB LCD * - SW(1): SWAN or FIJI LCD * - FC(2): FALCON OLED * - GM(3): GUAM and ROTA LCD * - FR(5): FURANO LCD ---> /!\ DOES NOT APPLY /!\ * - SD(6): SPICA_D LCD * - AQ(7): AQUILA LCD */ /* Image infomation: * SET_MODE will change the attributes of the requested page (ie .page) * GET_MODE will return the attributes of the currently being displayed page * UPDATE will do the same thing as SET_MODE but immediately refreshes the screen */ struct nwz_fb_image_info { int tc_enable; /* enable(1)/disable(0) transparent color */ int t_color; /* transparent color (16bpp RGB565) */ int alpha; /* alpha ratio (0 - 255) */ int page; /* 2D framebuffer page(0/1) */ int rot; /* LCD image rotation(0/1=180deg.) */ int update; /* only use with NWZ_FB_UPDATE, ignored for others */ }; /* update type */ #define NWZ_FB_ONLY_2D_MODE 0 #define NWZ_FB_DSP_AND_2D_MODE 1 /* frame buffer page infomation: when NWZ_FB_WAIT_REFREHS is called, the driver * will wait until the next refresh or the timeout, whichever comes first. It * will then fill this structure with the page status. */ struct nwz_fb_status { int timeout; /* waiting time for any frame ready (in units of 10 ms) */ int page0; /* page 0 is out of display or waiting to be displayed */ int page1; /* page 0 is out of display or waiting to be displayed */ }; /* frame buffer page status */ #define NWZ_FB_OUT_OF_DISPLAY 0 #define NWZ_FB_WAITING_FOR_ON_DISPLAY 1 /* frame buffer update timer infomation (use I/F fb <-> 2D API) */ struct nwz_fb_update_timer { int timerflag; /* auto update off(0) / auto update on(1) */ int timeout; /* timeout timer value (ms) */ }; /* timer flags */ #define NWZ_FB_TIMER_ON 1 #define NWZ_FB_TIMER_OFF 0 /* default and minimum timeout value */ #define NWZ_FB_DEFAULT_TIMEOUT 60 #define NWZ_FB_MIN_TIMEOUT 33 /* mmap offsets for page 1 (page 0 is always at address 0) */ #define NWZ_FB_LCD_PAGE_OFFSET 0x2f000 /* NOTE: I renamed those from Sony's header, because their original names were * pure crap */ #define NWZ_FB_WAIT_REFRESH _IOR(NWZ_FB_TYPE, 0x00, struct nwz_fb_status) #define NWZ_FB_UPDATE _IOW(NWZ_FB_TYPE, 0x01, struct nwz_fb_image_info) #define NWZ_FB_SET_MODE _IOW(NWZ_FB_TYPE, 0x02, struct nwz_fb_image_info) #define NWZ_FB_GET_MODE _IOR(NWZ_FB_TYPE, 0x03, struct nwz_fb_image_info) /* the timer only exits on MP200, it disappeared in EMXX and the ioctl fails */ #define NWZ_FB_UPDATE_TIMER _IOR(NWZ_FB_TYPE, 0x04, struct nwz_fb_update_timer) /* unfortnately, Sony change the ioctl numbers of those between MP200 and EMXX */ #define NWZ_FB_SET_BRIGHTNESS_MP200 _IOW(NWZ_FB_TYPE, 0x07, struct nwz_fb_brightness) #define NWZ_FB_GET_BRIGHTNESS_MP200 _IOR(NWZ_FB_TYPE, 0x08, struct nwz_fb_brightness) #define NWZ_FB_SET_BRIGHTNESS_EMXX _IOW(NWZ_FB_TYPE, 0x10, struct nwz_fb_brightness) #define NWZ_FB_GET_BRIGHTNESS_EMXX _IOR(NWZ_FB_TYPE, 0x11, struct nwz_fb_brightness) #endif /* __LCD_TARGET_H__ */