| Server IP : 127.0.0.2 / Your IP : 18.222.188.103 Web Server : Apache/2.4.18 (Ubuntu) System : User : www-data ( ) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : disk_free_space,disk_total_space,diskfreespace,dl,exec,fpaththru,getmyuid,getmypid,highlight_file,ignore_user_abord,leak,listen,link,opcache_get_configuration,opcache_get_status,passthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,php_uname,phpinfo,posix_ctermid,posix_getcwd,posix_getegid,posix_geteuid,posix_getgid,posix_getgrgid,posix_getgrnam,posix_getgroups,posix_getlogin,posix_getpgid,posix_getpgrp,posix_getpid,posix,_getppid,posix_getpwnam,posix_getpwuid,posix_getrlimit,posix_getsid,posix_getuid,posix_isatty,posix_kill,posix_mkfifo,posix_setegid,posix_seteuid,posix_setgid,posix_setpgid,posix_setsid,posix_setuid,posix_times,posix_ttyname,posix_uname,pclose,popen,proc_open,proc_close,proc_get_status,proc_nice,proc_terminate,shell_exec,source,show_source,system,virtual MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /lib/modules/4.4.0-1049-aws/build/include/linux/ |
Upload File : |
/*
* OF helpers for DMA request / controller
*
* Based on of_gpio.h
*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
*
* 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.
*/
#ifndef __LINUX_OF_DMA_H
#define __LINUX_OF_DMA_H
#include <linux/of.h>
#include <linux/dmaengine.h>
struct device_node;
struct of_dma {
struct list_head of_dma_controllers;
struct device_node *of_node;
struct dma_chan *(*of_dma_xlate)
(struct of_phandle_args *, struct of_dma *);
void *(*of_dma_route_allocate)
(struct of_phandle_args *, struct of_dma *);
struct dma_router *dma_router;
void *of_dma_data;
};
struct of_dma_filter_info {
dma_cap_mask_t dma_cap;
dma_filter_fn filter_fn;
};
#ifdef CONFIG_DMA_OF
extern int of_dma_controller_register(struct device_node *np,
struct dma_chan *(*of_dma_xlate)
(struct of_phandle_args *, struct of_dma *),
void *data);
extern void of_dma_controller_free(struct device_node *np);
extern int of_dma_router_register(struct device_node *np,
void *(*of_dma_route_allocate)
(struct of_phandle_args *, struct of_dma *),
struct dma_router *dma_router);
#define of_dma_router_free of_dma_controller_free
extern struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
const char *name);
extern struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma);
extern struct dma_chan *of_dma_xlate_by_chan_id(struct of_phandle_args *dma_spec,
struct of_dma *ofdma);
#else
static inline int of_dma_controller_register(struct device_node *np,
struct dma_chan *(*of_dma_xlate)
(struct of_phandle_args *, struct of_dma *),
void *data)
{
return -ENODEV;
}
static inline void of_dma_controller_free(struct device_node *np)
{
}
static inline int of_dma_router_register(struct device_node *np,
void *(*of_dma_route_allocate)
(struct of_phandle_args *, struct of_dma *),
struct dma_router *dma_router)
{
return -ENODEV;
}
#define of_dma_router_free of_dma_controller_free
static inline struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
const char *name)
{
return ERR_PTR(-ENODEV);
}
static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma)
{
return NULL;
}
#define of_dma_xlate_by_chan_id NULL
#endif
#endif /* __LINUX_OF_DMA_H */