From a4bdfff74464f86d7e3b8feaf42d18960adc5514 Mon Sep 17 00:00:00 2001 From: Sebastien Jan Date: Wed, 5 May 2010 08:45:53 +0000 Subject: ks8851: Low level functions for read/write to companion eeprom Low-level functions provide 16bits words read and write capability to ks8851 companion eeprom. Signed-off-by: Sebastien Jan Signed-off-by: David S. Miller --- drivers/net/ks8851.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'drivers/net/ks8851.h') diff --git a/drivers/net/ks8851.h b/drivers/net/ks8851.h index f52c312cc356..537fb06e5932 100644 --- a/drivers/net/ks8851.h +++ b/drivers/net/ks8851.h @@ -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) -- cgit v1.2.3