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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,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, Directory : /usr/src/linux-headers-4.4.0-38/arch/blackfin/include/asm/ |
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/*
* bfin_twi.h - interface to Blackfin TWIs
*
* Copyright 2005-2010 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_BFIN_TWI_H__
#define __ASM_BFIN_TWI_H__
#include <asm/blackfin.h>
#define DEFINE_TWI_REG(reg_name, reg) \
static inline u16 read_##reg_name(struct bfin_twi_iface *iface) \
{ return bfin_read16(&iface->regs_base->reg); } \
static inline void write_##reg_name(struct bfin_twi_iface *iface, u16 v) \
{ bfin_write16(&iface->regs_base->reg, v); }
DEFINE_TWI_REG(CLKDIV, clkdiv)
DEFINE_TWI_REG(SLAVE_CTL, slave_ctl)
DEFINE_TWI_REG(SLAVE_STAT, slave_stat)
DEFINE_TWI_REG(SLAVE_ADDR, slave_addr)
DEFINE_TWI_REG(MASTER_CTL, master_ctl)
DEFINE_TWI_REG(MASTER_STAT, master_stat)
DEFINE_TWI_REG(MASTER_ADDR, master_addr)
DEFINE_TWI_REG(INT_STAT, int_stat)
DEFINE_TWI_REG(INT_MASK, int_mask)
DEFINE_TWI_REG(FIFO_STAT, fifo_stat)
DEFINE_TWI_REG(XMT_DATA8, xmt_data8)
DEFINE_TWI_REG(XMT_DATA16, xmt_data16)
#if !ANOMALY_16000030
DEFINE_TWI_REG(RCV_DATA8, rcv_data8)
DEFINE_TWI_REG(RCV_DATA16, rcv_data16)
#else
static inline u16 read_RCV_DATA8(struct bfin_twi_iface *iface)
{
u16 ret;
unsigned long flags;
flags = hard_local_irq_save();
ret = bfin_read16(&iface->regs_base->rcv_data8);
hard_local_irq_restore(flags);
return ret;
}
static inline u16 read_RCV_DATA16(struct bfin_twi_iface *iface)
{
u16 ret;
unsigned long flags;
flags = hard_local_irq_save();
ret = bfin_read16(&iface->regs_base->rcv_data16);
hard_local_irq_restore(flags);
return ret;
}
#endif
static inline u16 read_FIFO_CTL(struct bfin_twi_iface *iface)
{
return bfin_read16(&iface->regs_base->fifo_ctl);
}
static inline void write_FIFO_CTL(struct bfin_twi_iface *iface, u16 v)
{
bfin_write16(&iface->regs_base->fifo_ctl, v);
SSYNC();
}
static inline u16 read_CONTROL(struct bfin_twi_iface *iface)
{
return bfin_read16(&iface->regs_base->control);
}
static inline void write_CONTROL(struct bfin_twi_iface *iface, u16 v)
{
SSYNC();
bfin_write16(&iface->regs_base->control, v);
}
#endif