| Server IP : 79.136.114.73 / Your IP : 18.188.149.194 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : 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, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /lib/modules/3.13.0-35-generic/build/include/linux/platform_data/ |
Upload File : |
/*
* Header file for the Atmel AHB DMA Controller driver
*
* Copyright (C) 2008 Atmel Corporation
*
* 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.
*/
#ifndef AT_HDMAC_H
#define AT_HDMAC_H
#include <linux/dmaengine.h>
/**
* struct at_dma_platform_data - Controller configuration parameters
* @nr_channels: Number of channels supported by hardware (max 8)
* @cap_mask: dma_capability flags supported by the platform
*/
struct at_dma_platform_data {
unsigned int nr_channels;
dma_cap_mask_t cap_mask;
};
/**
* struct at_dma_slave - Controller-specific information about a slave
* @dma_dev: required DMA master device
* @cfg: Platform-specific initializer for the CFG register
*/
struct at_dma_slave {
struct device *dma_dev;
u32 cfg;
};
/* Platform-configurable bits in CFG */
#define ATC_PER_MSB(h) ((0x30U & (h)) >> 4) /* Extract most significant bits of a handshaking identifier */
#define ATC_SRC_PER(h) (0xFU & (h)) /* Channel src rq associated with periph handshaking ifc h */
#define ATC_DST_PER(h) ((0xFU & (h)) << 4) /* Channel dst rq associated with periph handshaking ifc h */
#define ATC_SRC_REP (0x1 << 8) /* Source Replay Mod */
#define ATC_SRC_H2SEL (0x1 << 9) /* Source Handshaking Mod */
#define ATC_SRC_H2SEL_SW (0x0 << 9)
#define ATC_SRC_H2SEL_HW (0x1 << 9)
#define ATC_SRC_PER_MSB(h) (ATC_PER_MSB(h) << 10) /* Channel src rq (most significant bits) */
#define ATC_DST_REP (0x1 << 12) /* Destination Replay Mod */
#define ATC_DST_H2SEL (0x1 << 13) /* Destination Handshaking Mod */
#define ATC_DST_H2SEL_SW (0x0 << 13)
#define ATC_DST_H2SEL_HW (0x1 << 13)
#define ATC_DST_PER_MSB(h) (ATC_PER_MSB(h) << 14) /* Channel dst rq (most significant bits) */
#define ATC_SOD (0x1 << 16) /* Stop On Done */
#define ATC_LOCK_IF (0x1 << 20) /* Interface Lock */
#define ATC_LOCK_B (0x1 << 21) /* AHB Bus Lock */
#define ATC_LOCK_IF_L (0x1 << 22) /* Master Interface Arbiter Lock */
#define ATC_LOCK_IF_L_CHUNK (0x0 << 22)
#define ATC_LOCK_IF_L_BUFFER (0x1 << 22)
#define ATC_AHB_PROT_MASK (0x7 << 24) /* AHB Protection */
#define ATC_FIFOCFG_MASK (0x3 << 28) /* FIFO Request Configuration */
#define ATC_FIFOCFG_LARGESTBURST (0x0 << 28)
#define ATC_FIFOCFG_HALFFIFO (0x1 << 28)
#define ATC_FIFOCFG_ENOUGHSPACE (0x2 << 28)
#endif /* AT_HDMAC_H */