/*
 * 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

<input type='hidden' name='h' value='nds-private-remove'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/arch?h=nds-private-remove'>arch</a>/<a href='/cgit.cgi/linux/net-next.git/log/arch/mips?h=nds-private-remove'>mips</a>/<a href='/cgit.cgi/linux/net-next.git/log/arch/mips/sgi-ip22?h=nds-private-remove'>sgi-ip22</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/arch/mips/sgi-ip22?h=nds-private-remove&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
xt.git/log/tools/testing/selftests?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>selftests</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/x86?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>x86</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/x86/syscall_nt.c?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>syscall_nt.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/x86/syscall_nt.c?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>