mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-09 01:28:05 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
502
include/video/adf.h
Normal file
502
include/video/adf.h
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@ -0,0 +1,502 @@
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/*
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* Copyright (C) 2013 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _VIDEO_ADF_H
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#define _VIDEO_ADF_H
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#include <linux/device.h>
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#include <linux/dma-buf.h>
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#include <linux/idr.h>
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#include <linux/kref.h>
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#include <linux/kthread.h>
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#include <linux/ktime.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/scatterlist.h>
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#include <linux/sched.h>
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#include <linux/spinlock.h>
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#include <linux/wait.h>
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#include <linux/workqueue.h>
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#include <uapi/video/adf.h>
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#include "sync.h"
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struct adf_obj;
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struct adf_obj_ops;
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struct adf_device;
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struct adf_device_ops;
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struct adf_interface;
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struct adf_interface_ops;
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struct adf_overlay_engine;
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struct adf_overlay_engine_ops;
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/**
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* struct adf_buffer - buffer displayed by adf_post
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*
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* @overlay_engine: target overlay engine
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* @w: width of display region in pixels
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* @h: height of display region in pixels
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* @format: DRM-style fourcc, see drm_fourcc.h for standard formats
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* @dma_bufs: dma_buf for each plane
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* @offset: location of first pixel to scan out, in bytes
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* @pitch: length of a scanline including padding, in bytes
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* @n_planes: number of planes in buffer
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* @acquire_fence: sync_fence which will clear when the buffer is
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* ready for display
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*
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* &struct adf_buffer is the in-kernel counterpart to the userspace-facing
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* &struct adf_buffer_config.
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*/
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struct adf_buffer {
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struct adf_overlay_engine *overlay_engine;
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u32 w;
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u32 h;
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u32 format;
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struct dma_buf *dma_bufs[ADF_MAX_PLANES];
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u32 offset[ADF_MAX_PLANES];
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u32 pitch[ADF_MAX_PLANES];
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u8 n_planes;
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struct sync_fence *acquire_fence;
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};
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/**
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* struct adf_buffer_mapping - state for mapping a &struct adf_buffer into the
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* display device
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*
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* @attachments: dma-buf attachment for each plane
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* @sg_tables: SG tables for each plane
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*/
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struct adf_buffer_mapping {
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struct dma_buf_attachment *attachments[ADF_MAX_PLANES];
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struct sg_table *sg_tables[ADF_MAX_PLANES];
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};
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/**
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* struct adf_post - request to flip to a new set of buffers
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*
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* @n_bufs: number of buffers displayed
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* @bufs: buffers displayed
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* @mappings: in-device mapping state for each buffer
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* @custom_data_size: size of driver-private data
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* @custom_data: driver-private data
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*
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* &struct adf_post is the in-kernel counterpart to the userspace-facing
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* &struct adf_post_config.
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*/
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struct adf_post {
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size_t n_bufs;
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struct adf_buffer *bufs;
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struct adf_buffer_mapping *mappings;
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size_t custom_data_size;
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void *custom_data;
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};
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/**
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* struct adf_attachment - description of attachment between an overlay engine
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* and an interface
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*
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* @overlay_engine: the overlay engine
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* @interface: the interface
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*
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* &struct adf_attachment is the in-kernel counterpart to the userspace-facing
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* &struct adf_attachment_config.
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*/
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struct adf_attachment {
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struct adf_overlay_engine *overlay_engine;
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struct adf_interface *interface;
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};
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struct adf_pending_post {
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struct list_head head;
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struct adf_post config;
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void *state;
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};
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enum adf_obj_type {
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ADF_OBJ_OVERLAY_ENGINE = 0,
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ADF_OBJ_INTERFACE = 1,
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ADF_OBJ_DEVICE = 2,
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};
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/**
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* struct adf_obj_ops - common ADF object implementation ops
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*
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* @open: handle opening the object's device node
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* @release: handle releasing an open file
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* @ioctl: handle custom ioctls
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*
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* @supports_event: return whether the object supports generating events of type
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* @type
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* @set_event: enable or disable events of type @type
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* @event_type_str: return a string representation of custom event @type
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* (@type >= %ADF_EVENT_DEVICE_CUSTOM).
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*
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* @custom_data: copy up to %ADF_MAX_CUSTOM_DATA_SIZE bytes of driver-private
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* data into @data (allocated by ADF) and return the number of copied bytes
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* in @size. Return 0 on success or an error code (<0) on failure.
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*/
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struct adf_obj_ops {
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/* optional */
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int (*open)(struct adf_obj *obj, struct inode *inode,
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struct file *file);
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/* optional */
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void (*release)(struct adf_obj *obj, struct inode *inode,
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struct file *file);
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/* optional */
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long (*ioctl)(struct adf_obj *obj, unsigned int cmd, unsigned long arg);
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/* optional */
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bool (*supports_event)(struct adf_obj *obj, enum adf_event_type type);
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/* required if supports_event is implemented */
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void (*set_event)(struct adf_obj *obj, enum adf_event_type type,
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bool enabled);
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/* optional */
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const char *(*event_type_str)(struct adf_obj *obj,
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enum adf_event_type type);
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/* optional */
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int (*custom_data)(struct adf_obj *obj, void *data, size_t *size);
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};
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struct adf_obj {
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enum adf_obj_type type;
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char name[ADF_NAME_LEN];
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struct adf_device *parent;
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const struct adf_obj_ops *ops;
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struct device dev;
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struct spinlock file_lock;
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struct list_head file_list;
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struct mutex event_lock;
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struct rb_root event_refcount;
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int id;
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int minor;
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};
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/**
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* struct adf_device_quirks - common display device quirks
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*
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* @buffer_padding: whether the last scanline of a buffer extends to the
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* buffer's pitch (@ADF_BUFFER_PADDED_TO_PITCH) or just to the visible
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* width (@ADF_BUFFER_UNPADDED)
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*/
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struct adf_device_quirks {
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/* optional, defaults to ADF_BUFFER_PADDED_TO_PITCH */
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enum {
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ADF_BUFFER_PADDED_TO_PITCH = 0,
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ADF_BUFFER_UNPADDED = 1,
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} buffer_padding;
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};
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/**
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* struct adf_device_ops - display device implementation ops
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*
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* @owner: device's module
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* @base: common operations (see &struct adf_obj_ops)
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* @quirks: device's quirks (see &struct adf_device_quirks)
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*
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* @attach: attach overlay engine @eng to interface @intf. Return 0 on success
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* or error code (<0) on failure.
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* @detach: detach overlay engine @eng from interface @intf. Return 0 on
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* success or error code (<0) on failure.
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*
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* @validate_custom_format: validate the number and size of planes
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* in buffers with a custom format (i.e., not one of the @DRM_FORMAT_*
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* types defined in drm/drm_fourcc.h). Return 0 if the buffer is valid or
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* an error code (<0) otherwise.
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*
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* @validate: validate that the proposed configuration @cfg is legal. The
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* driver may optionally allocate and return some driver-private state in
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* @driver_state, which will be passed to the corresponding post(). The
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* driver may NOT commit any changes to hardware. Return 0 if @cfg is
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* valid or an error code (<0) otherwise.
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* @complete_fence: create a hardware-backed sync fence to be signaled when
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* @cfg is removed from the screen. If unimplemented, ADF automatically
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* creates an sw_sync fence. Return the sync fence on success or a
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* PTR_ERR() on failure.
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* @post: flip @cfg onto the screen. Wait for the display to begin scanning out
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* @cfg before returning.
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* @advance_timeline: signal the sync fence for the last configuration to leave
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* the display. If unimplemented, ADF automatically advances an sw_sync
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* timeline.
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* @state_free: free driver-private state allocated during validate()
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*/
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struct adf_device_ops {
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/* required */
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struct module *owner;
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const struct adf_obj_ops base;
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/* optional */
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const struct adf_device_quirks quirks;
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/* optional */
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int (*attach)(struct adf_device *dev, struct adf_overlay_engine *eng,
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struct adf_interface *intf);
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/* optional */
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int (*detach)(struct adf_device *dev, struct adf_overlay_engine *eng,
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struct adf_interface *intf);
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/* required if any of the device's overlay engines supports at least one
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custom format */
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int (*validate_custom_format)(struct adf_device *dev,
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struct adf_buffer *buf);
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/* required */
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int (*validate)(struct adf_device *dev, struct adf_post *cfg,
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void **driver_state);
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/* optional */
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struct sync_fence *(*complete_fence)(struct adf_device *dev,
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struct adf_post *cfg, void *driver_state);
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/* required */
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void (*post)(struct adf_device *dev, struct adf_post *cfg,
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void *driver_state);
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/* required if complete_fence is implemented */
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void (*advance_timeline)(struct adf_device *dev,
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struct adf_post *cfg, void *driver_state);
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/* required if validate allocates driver state */
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void (*state_free)(struct adf_device *dev, void *driver_state);
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};
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struct adf_attachment_list {
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struct adf_attachment attachment;
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struct list_head head;
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};
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struct adf_device {
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struct adf_obj base;
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struct device *dev;
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const struct adf_device_ops *ops;
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struct mutex client_lock;
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struct idr interfaces;
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size_t n_interfaces;
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struct idr overlay_engines;
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struct list_head post_list;
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struct mutex post_lock;
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struct kthread_worker post_worker;
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struct task_struct *post_thread;
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struct kthread_work post_work;
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struct list_head attached;
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size_t n_attached;
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struct list_head attach_allowed;
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size_t n_attach_allowed;
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struct adf_pending_post *onscreen;
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struct sw_sync_timeline *timeline;
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int timeline_max;
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};
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/**
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* struct adf_interface_ops - display interface implementation ops
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*
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* @base: common operations (see &struct adf_obj_ops)
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*
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* @blank: change the display's DPMS state. Return 0 on success or error
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* code (<0) on failure.
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*
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* @alloc_simple_buffer: allocate a buffer with the specified @w, @h, and
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* @format. @format will be a standard RGB format (i.e.,
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* adf_format_is_rgb(@format) == true). Return 0 on success or error code
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* (<0) on failure. On success, return the buffer, offset, and pitch in
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* @dma_buf, @offset, and @pitch respectively.
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* @describe_simple_post: provide driver-private data needed to post a single
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* buffer @buf. Copy up to ADF_MAX_CUSTOM_DATA_SIZE bytes into @data
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* (allocated by ADF) and return the number of bytes in @size. Return 0 on
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* success or error code (<0) on failure.
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*
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* @modeset: change the interface's mode. @mode is not necessarily part of the
|
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* modelist passed to adf_hotplug_notify_connected(); the driver may
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* accept or reject custom modes at its discretion. Return 0 on success or
|
||||
* error code (<0) if the mode could not be set.
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*
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* @screen_size: copy the screen dimensions in millimeters into @width_mm
|
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* and @height_mm. Return 0 on success or error code (<0) if the display
|
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* dimensions are unknown.
|
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*
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||||
* @type_str: return a string representation of custom @intf->type
|
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* (@intf->type >= @ADF_INTF_TYPE_DEVICE_CUSTOM).
|
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*/
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struct adf_interface_ops {
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const struct adf_obj_ops base;
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||||
|
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/* optional */
|
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int (*blank)(struct adf_interface *intf, u8 state);
|
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|
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/* optional */
|
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int (*alloc_simple_buffer)(struct adf_interface *intf,
|
||||
u16 w, u16 h, u32 format,
|
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struct dma_buf **dma_buf, u32 *offset, u32 *pitch);
|
||||
/* optional */
|
||||
int (*describe_simple_post)(struct adf_interface *intf,
|
||||
struct adf_buffer *fb, void *data, size_t *size);
|
||||
|
||||
/* optional */
|
||||
int (*modeset)(struct adf_interface *intf,
|
||||
struct drm_mode_modeinfo *mode);
|
||||
|
||||
/* optional */
|
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int (*screen_size)(struct adf_interface *intf, u16 *width_mm,
|
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u16 *height_mm);
|
||||
|
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/* optional */
|
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const char *(*type_str)(struct adf_interface *intf);
|
||||
};
|
||||
|
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struct adf_interface {
|
||||
struct adf_obj base;
|
||||
const struct adf_interface_ops *ops;
|
||||
|
||||
struct drm_mode_modeinfo current_mode;
|
||||
|
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enum adf_interface_type type;
|
||||
u32 idx;
|
||||
u32 flags;
|
||||
|
||||
wait_queue_head_t vsync_wait;
|
||||
ktime_t vsync_timestamp;
|
||||
rwlock_t vsync_lock;
|
||||
|
||||
u8 dpms_state;
|
||||
|
||||
bool hotplug_detect;
|
||||
struct drm_mode_modeinfo *modelist;
|
||||
size_t n_modes;
|
||||
rwlock_t hotplug_modelist_lock;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct adf_interface_ops - overlay engine implementation ops
|
||||
*
|
||||
* @base: common operations (see &struct adf_obj_ops)
|
||||
*
|
||||
* @supported_formats: list of fourccs the overlay engine can scan out
|
||||
* @n_supported_formats: length of supported_formats, up to
|
||||
* ADF_MAX_SUPPORTED_FORMATS
|
||||
*/
|
||||
struct adf_overlay_engine_ops {
|
||||
const struct adf_obj_ops base;
|
||||
|
||||
/* required */
|
||||
const u32 *supported_formats;
|
||||
/* required */
|
||||
const size_t n_supported_formats;
|
||||
};
|
||||
|
||||
struct adf_overlay_engine {
|
||||
struct adf_obj base;
|
||||
|
||||
const struct adf_overlay_engine_ops *ops;
|
||||
};
|
||||
|
||||
#define adf_obj_to_device(ptr) \
|
||||
container_of((ptr), struct adf_device, base)
|
||||
|
||||
#define adf_obj_to_interface(ptr) \
|
||||
container_of((ptr), struct adf_interface, base)
|
||||
|
||||
#define adf_obj_to_overlay_engine(ptr) \
|
||||
container_of((ptr), struct adf_overlay_engine, base)
|
||||
|
||||
int __printf(4, 5) adf_device_init(struct adf_device *dev,
|
||||
struct device *parent, const struct adf_device_ops *ops,
|
||||
const char *fmt, ...);
|
||||
void adf_device_destroy(struct adf_device *dev);
|
||||
int __printf(7, 8) adf_interface_init(struct adf_interface *intf,
|
||||
struct adf_device *dev, enum adf_interface_type type, u32 idx,
|
||||
u32 flags, const struct adf_interface_ops *ops, const char *fmt,
|
||||
...);
|
||||
void adf_interface_destroy(struct adf_interface *intf);
|
||||
static inline struct adf_device *adf_interface_parent(
|
||||
struct adf_interface *intf)
|
||||
{
|
||||
return intf->base.parent;
|
||||
}
|
||||
int __printf(4, 5) adf_overlay_engine_init(struct adf_overlay_engine *eng,
|
||||
struct adf_device *dev,
|
||||
const struct adf_overlay_engine_ops *ops, const char *fmt, ...);
|
||||
void adf_overlay_engine_destroy(struct adf_overlay_engine *eng);
|
||||
static inline struct adf_device *adf_overlay_engine_parent(
|
||||
struct adf_overlay_engine *eng)
|
||||
{
|
||||
return eng->base.parent;
|
||||
}
|
||||
|
||||
int adf_attachment_allow(struct adf_device *dev, struct adf_overlay_engine *eng,
|
||||
struct adf_interface *intf);
|
||||
|
||||
const char *adf_obj_type_str(enum adf_obj_type type);
|
||||
const char *adf_interface_type_str(struct adf_interface *intf);
|
||||
const char *adf_event_type_str(struct adf_obj *obj, enum adf_event_type type);
|
||||
|
||||
#define ADF_FORMAT_STR_SIZE 5
|
||||
void adf_format_str(u32 format, char buf[ADF_FORMAT_STR_SIZE]);
|
||||
int adf_format_validate_yuv(struct adf_device *dev, struct adf_buffer *buf,
|
||||
u8 num_planes, u8 hsub, u8 vsub, u8 cpp[]);
|
||||
/**
|
||||
* adf_format_validate_rgb - validate the number and size of planes in buffers
|
||||
* with a custom RGB format.
|
||||
*
|
||||
* @dev: ADF device performing the validation
|
||||
* @buf: buffer to validate
|
||||
* @cpp: expected bytes per pixel
|
||||
*
|
||||
* adf_format_validate_rgb() is intended to be called as a helper from @dev's
|
||||
* validate_custom_format() op. @buf must have a single RGB plane.
|
||||
*
|
||||
* Returns 0 if @buf has a single plane with sufficient size, or -EINVAL
|
||||
* otherwise.
|
||||
*/
|
||||
static inline int adf_format_validate_rgb(struct adf_device *dev,
|
||||
struct adf_buffer *buf, u8 cpp)
|
||||
{
|
||||
return adf_format_validate_yuv(dev, buf, 1, 1, 1, &cpp);
|
||||
}
|
||||
|
||||
int adf_event_get(struct adf_obj *obj, enum adf_event_type type);
|
||||
int adf_event_put(struct adf_obj *obj, enum adf_event_type type);
|
||||
int adf_event_notify(struct adf_obj *obj, struct adf_event *event);
|
||||
|
||||
static inline void adf_vsync_get(struct adf_interface *intf)
|
||||
{
|
||||
adf_event_get(&intf->base, ADF_EVENT_VSYNC);
|
||||
}
|
||||
|
||||
static inline void adf_vsync_put(struct adf_interface *intf)
|
||||
{
|
||||
adf_event_put(&intf->base, ADF_EVENT_VSYNC);
|
||||
}
|
||||
|
||||
int adf_vsync_wait(struct adf_interface *intf, long timeout);
|
||||
void adf_vsync_notify(struct adf_interface *intf, ktime_t timestamp);
|
||||
|
||||
int adf_hotplug_notify_connected(struct adf_interface *intf,
|
||||
struct drm_mode_modeinfo *modelist, size_t n_modes);
|
||||
void adf_hotplug_notify_disconnected(struct adf_interface *intf);
|
||||
|
||||
void adf_modeinfo_set_name(struct drm_mode_modeinfo *mode);
|
||||
void adf_modeinfo_set_vrefresh(struct drm_mode_modeinfo *mode);
|
||||
|
||||
#endif /* _VIDEO_ADF_H */
|
||||
Loading…
Add table
Add a link
Reference in a new issue