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I2C: change BUSC_I2C_xxx to use own protocol

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Previously it would use bits of the character driver protocol, which
will change heavily.  In the new situation, the BUSC_I2C_xxx requests
use a protocol more in line with the PCI protocol, with the reply code
in m_type.

Change-Id: I51597b3f191078c8178ce17372de123031f7a4c4
This commit is contained in:
David van Moolenbroek
2013-09-02 13:45:02 +02:00
committed by Lionel Sambuc
parent 4211c5d267
commit 660d34cd85
3 changed files with 21 additions and 18 deletions
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2
include/minix/com.h
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@@ -182,7 +182,9 @@
*/
#define BUSC_I2C_RESERVE (BUSC_RQ_BASE + 64) /* reserve i2c device */
#define BUSC_I2C_ADDR m2_i1 /* slave address */
#define BUSC_I2C_EXEC (BUSC_RQ_BASE + 65) /* perform i2c action */
#define BUSC_I2C_GRANT m2_i1 /* grant for request */
/*===========================================================================*
* Messages for CHARACTER device drivers *