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Add support for i2c quick_{read,write} protocols. 

OK'd by nisimura@
This commit is contained in:
pgoyette 2009-02-04 13:53:19 +00:00
parent 841a3edfd9
commit 0e3187ea05
1 changed files with 4 additions and 2 deletions
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6
sys/arch/sandpoint/sandpoint/iic_eumb.c
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@ -1,4 +1,4 @@
/* $NetBSD: iic_eumb.c,v 1.5 2008/04/28 20:23:34 martin Exp $ */
/* $NetBSD: iic_eumb.c,v 1.6 2009/02/04 13:53:19 pgoyette Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: iic_eumb.c,v 1.5 2008/04/28 20:23:34 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: iic_eumb.c,v 1.6 2009/02/04 13:53:19 pgoyette Exp $");
#include <sys/param.h>
#include <sys/device.h>
@ -230,6 +230,8 @@ motoi2c_initiate_xfer(void *v, i2c_addr_t addr, int flags)
rd_req = !!(flags & I2C_F_READ);
CSR_WRITE(I2CCR, CR_MIEN | CR_MEN | CR_MSTA | CR_MTX);
CSR_WRITE(I2CDR, (addr << 1) | rd_req);
if (flags & I2C_F_STOP)
CSR_WRITE(I2CCR, CR_MIEN | CR_MEN | CR_TXAK);
waitxferdone(SR_MIF);
return 0;
}