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ks8851: Low level functions for read/write to companion eeprom

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Low-level functions provide 16bits words read and write capability
to ks8851 companion eeprom.

Signed-off-by: Sebastien Jan <s-jan@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sebastien Jan
2010-05-05 08:45:53 +00:00
committed by David S. Miller
parent 7d9974666e
commit a4bdfff744
2 changed files with 241 additions and 1 deletions
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14
drivers/net/ks8851.h
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@@ -25,12 +25,24 @@
#define OBCR_ODS_16mA (1 << 6)
#define KS_EEPCR 0x22
#define EEPCR_EESRWA (1 << 5)
#define EEPCR_EESA (1 << 4)
#define EEPCR_EESB (1 << 3)
#define EEPCR_EESB_OFFSET 3
#define EEPCR_EESB (1 << EEPCR_EESB_OFFSET)
#define EEPCR_EEDO (1 << 2)
#define EEPCR_EESCK (1 << 1)
#define EEPCR_EECS (1 << 0)
#define EEPROM_OP_LEN 3 /* bits:*/
#define EEPROM_OP_READ 0x06
#define EEPROM_OP_EWEN 0x04
#define EEPROM_OP_WRITE 0x05
#define EEPROM_OP_EWDS 0x14
#define EEPROM_DATA_LEN 16 /* 16 bits EEPROM */
#define EEPROM_WRITE_TIME 4 /* wrt ack time in ms */
#define EEPROM_SK_PERIOD 400 /* in us */
#define KS_MBIR 0x24
#define MBIR_TXMBF (1 << 12)
#define MBIR_TXMBFA (1 << 11)