From: TI OMAP Developers Date: Mon, 20 Sep 2010 15:09:19 +0200 Subject: [PATCH] hack-add-omapfb-h =================================================================== --- .../3rdparty/dc_omapfb3_linux/omaplfb_linux.c | 2 +- sgx/services4/include/drivers-video-omap2-omapfb.h | 180 ++++++++++++++++++++ 2 files changed, 181 insertions(+), 1 deletions(-) create mode 100644 sgx/services4/include/drivers-video-omap2-omapfb.h diff --git a/sgx/services4/3rdparty/dc_omapfb3_linux/omaplfb_linux.c b/sgx/services4/3rdparty/dc_omapfb3_linux/omaplfb_linux.c index f838524..d655530 100755 --- a/sgx/services4/3rdparty/dc_omapfb3_linux/omaplfb_linux.c +++ b/sgx/services4/3rdparty/dc_omapfb3_linux/omaplfb_linux.c @@ -64,7 +64,7 @@ #define PVR_DEBUG DEBUG #undef DEBUG #endif -#include +#include "drivers-video-omap2-omapfb.h" #if defined(DEBUG) #undef DEBUG #endif diff --git a/sgx/services4/include/drivers-video-omap2-omapfb.h b/sgx/services4/include/drivers-video-omap2-omapfb.h new file mode 100644 index 0000000..1305fc9 --- /dev/null +++ b/sgx/services4/include/drivers-video-omap2-omapfb.h @@ -0,0 +1,180 @@ +/* + * linux/drivers/video/omap2/omapfb.h + * + * Copyright (C) 2008 Nokia Corporation + * Author: Tomi Valkeinen + * + * Some code and ideas taken from drivers/video/omap/ driver + * by Imre Deak. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__ +#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__ + +#ifdef CONFIG_FB_OMAP2_DEBUG_SUPPORT +#define DEBUG +#endif + +#include + +#include + +#ifdef DEBUG +extern unsigned int omapfb_debug; +#define DBG(format, ...) \ + if (omapfb_debug) \ + printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__) +#else +#define DBG(format, ...) +#endif + +#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par)) + +/* max number of overlays to which a framebuffer data can be direct */ +#define OMAPFB_MAX_OVL_PER_FB 3 + +struct omapfb2_mem_region { + int id; + u32 paddr; + void __iomem *vaddr; + struct vrfb vrfb; + unsigned long size; + u8 type; /* OMAPFB_PLANE_MEM_* */ + bool alloc; /* allocated by the driver */ + bool map; /* kernel mapped by the driver */ + atomic_t map_count; + struct rw_semaphore lock; + atomic_t lock_count; +}; + +/* appended to fb_info */ +struct omapfb_info { + int id; + struct omapfb2_mem_region *region; + int num_overlays; + struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB]; + struct omapfb2_device *fbdev; + enum omap_dss_rotation_type rotation_type; + u8 rotation[OMAPFB_MAX_OVL_PER_FB]; + bool mirror; +}; + +struct omapfb2_device { + struct device *dev; + struct mutex mtx; + + u32 pseudo_palette[17]; + + int state; + + unsigned num_fbs; + struct fb_info *fbs[10]; + struct omapfb2_mem_region regions[10]; + + unsigned num_displays; + struct omap_dss_device *displays[10]; + unsigned num_overlays; + struct omap_overlay *overlays[10]; + unsigned num_managers; + struct omap_overlay_manager *managers[10]; + + unsigned num_bpp_overrides; + struct { + struct omap_dss_device *dssdev; + u8 bpp; + } bpp_overrides[10]; +}; + +struct omapfb_colormode { + enum omap_color_mode dssmode; + u32 bits_per_pixel; + u32 nonstd; + struct fb_bitfield red; + struct fb_bitfield green; + struct fb_bitfield blue; + struct fb_bitfield transp; +}; + +void set_fb_fix(struct fb_info *fbi); +int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var); +int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type); +int omapfb_apply_changes(struct fb_info *fbi, int init); + +int omapfb_create_sysfs(struct omapfb2_device *fbdev); +void omapfb_remove_sysfs(struct omapfb2_device *fbdev); + +int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg); + +int omapfb_update_window(struct fb_info *fbi, + u32 x, u32 y, u32 w, u32 h); + +int dss_mode_to_fb_mode(enum omap_color_mode dssmode, + struct fb_var_screeninfo *var); + +int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl, + u16 posx, u16 posy, u16 outw, u16 outh); + +/* find the display connected to this fb, if any */ +static inline struct omap_dss_device *fb2display(struct fb_info *fbi) +{ + struct omapfb_info *ofbi = FB2OFB(fbi); + int i; + + /* XXX: returns the display connected to first attached overlay */ + for (i = 0; i < ofbi->num_overlays; i++) { + if (ofbi->overlays[i]->manager) + return ofbi->overlays[i]->manager->device; + } + + return NULL; +} + +static inline void omapfb_lock(struct omapfb2_device *fbdev) +{ + mutex_lock(&fbdev->mtx); +} + +static inline void omapfb_unlock(struct omapfb2_device *fbdev) +{ + mutex_unlock(&fbdev->mtx); +} + +static inline int omapfb_overlay_enable(struct omap_overlay *ovl, + int enable) +{ + struct omap_overlay_info info; + + ovl->get_overlay_info(ovl, &info); + if (info.enabled == enable) + return 0; + info.enabled = enable; + return ovl->set_overlay_info(ovl, &info); +} + +static inline struct omapfb2_mem_region * +omapfb_get_mem_region(struct omapfb2_mem_region *rg) +{ + down_read_nested(&rg->lock, rg->id); + atomic_inc(&rg->lock_count); + return rg; +} + +static inline void omapfb_put_mem_region(struct omapfb2_mem_region *rg) +{ + atomic_dec(&rg->lock_count); + up_read(&rg->lock); +} + +#endif --