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https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-31 16:18:51 +01:00
Fixed MTP to work with TWRP
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awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
208
drivers/video/fbdev/omap2/omapfb/omapfb.h
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208
drivers/video/fbdev/omap2/omapfb/omapfb.h
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/*
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* linux/drivers/video/omap2/omapfb.h
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*
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* Copyright (C) 2008 Nokia Corporation
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* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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*
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* Some code and ideas taken from drivers/video/omap/ driver
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* by Imre Deak.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
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#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
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#ifdef CONFIG_FB_OMAP2_DEBUG_SUPPORT
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#define DEBUG
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#endif
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#include <linux/rwsem.h>
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#include <linux/dma-attrs.h>
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#include <linux/dma-mapping.h>
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#include <video/omapdss.h>
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#ifdef DEBUG
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extern bool omapfb_debug;
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#define DBG(format, ...) \
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do { \
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if (omapfb_debug) \
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printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__); \
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} while (0)
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#else
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#define DBG(format, ...)
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#endif
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#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
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/* max number of overlays to which a framebuffer data can be direct */
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#define OMAPFB_MAX_OVL_PER_FB 3
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struct omapfb2_mem_region {
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int id;
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struct dma_attrs attrs;
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void *token;
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dma_addr_t dma_handle;
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u32 paddr;
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void __iomem *vaddr;
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struct vrfb vrfb;
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unsigned long size;
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u8 type; /* OMAPFB_PLANE_MEM_* */
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bool alloc; /* allocated by the driver */
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bool map; /* kernel mapped by the driver */
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atomic_t map_count;
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struct rw_semaphore lock;
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atomic_t lock_count;
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};
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/* appended to fb_info */
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struct omapfb_info {
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int id;
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struct omapfb2_mem_region *region;
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int num_overlays;
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struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
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struct omapfb2_device *fbdev;
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enum omap_dss_rotation_type rotation_type;
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u8 rotation[OMAPFB_MAX_OVL_PER_FB];
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bool mirror;
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};
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struct omapfb_display_data {
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struct omapfb2_device *fbdev;
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struct omap_dss_device *dssdev;
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u8 bpp_override;
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enum omapfb_update_mode update_mode;
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bool auto_update_work_enabled;
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struct delayed_work auto_update_work;
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};
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struct omapfb2_device {
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struct device *dev;
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struct mutex mtx;
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u32 pseudo_palette[17];
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int state;
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unsigned num_fbs;
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struct fb_info *fbs[10];
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struct omapfb2_mem_region regions[10];
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unsigned num_displays;
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struct omapfb_display_data displays[10];
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unsigned num_overlays;
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struct omap_overlay *overlays[10];
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unsigned num_managers;
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struct omap_overlay_manager *managers[10];
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struct workqueue_struct *auto_update_wq;
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};
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struct omapfb_colormode {
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enum omap_color_mode dssmode;
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u32 bits_per_pixel;
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u32 nonstd;
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struct fb_bitfield red;
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struct fb_bitfield green;
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struct fb_bitfield blue;
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struct fb_bitfield transp;
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};
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void set_fb_fix(struct fb_info *fbi);
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int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var);
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int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type);
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int omapfb_apply_changes(struct fb_info *fbi, int init);
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int omapfb_create_sysfs(struct omapfb2_device *fbdev);
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void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
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int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
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int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
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struct fb_var_screeninfo *var);
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int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
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u16 posx, u16 posy, u16 outw, u16 outh);
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void omapfb_start_auto_update(struct omapfb2_device *fbdev,
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struct omap_dss_device *display);
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void omapfb_stop_auto_update(struct omapfb2_device *fbdev,
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struct omap_dss_device *display);
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int omapfb_get_update_mode(struct fb_info *fbi, enum omapfb_update_mode *mode);
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int omapfb_set_update_mode(struct fb_info *fbi, enum omapfb_update_mode mode);
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/* find the display connected to this fb, if any */
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static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
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{
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struct omapfb_info *ofbi = FB2OFB(fbi);
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struct omap_overlay *ovl;
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/* XXX: returns the display connected to first attached overlay */
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if (ofbi->num_overlays == 0)
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return NULL;
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ovl = ofbi->overlays[0];
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return ovl->get_device(ovl);
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}
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static inline struct omapfb_display_data *get_display_data(
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struct omapfb2_device *fbdev, struct omap_dss_device *dssdev)
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{
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int i;
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for (i = 0; i < fbdev->num_displays; ++i)
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if (fbdev->displays[i].dssdev == dssdev)
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return &fbdev->displays[i];
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/* This should never happen */
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BUG();
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return NULL;
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}
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static inline void omapfb_lock(struct omapfb2_device *fbdev)
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{
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mutex_lock(&fbdev->mtx);
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}
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static inline void omapfb_unlock(struct omapfb2_device *fbdev)
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{
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mutex_unlock(&fbdev->mtx);
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}
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static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
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int enable)
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{
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if (enable)
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return ovl->enable(ovl);
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else
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return ovl->disable(ovl);
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}
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static inline struct omapfb2_mem_region *
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omapfb_get_mem_region(struct omapfb2_mem_region *rg)
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{
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down_read_nested(&rg->lock, rg->id);
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atomic_inc(&rg->lock_count);
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return rg;
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}
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static inline void omapfb_put_mem_region(struct omapfb2_mem_region *rg)
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{
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atomic_dec(&rg->lock_count);
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up_read(&rg->lock);
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}
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#endif
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