staging: comedi: s526: define the eeprom data and control registers
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Mon, 17 Aug 2015 23:58:20 +0000 (16:58 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 13 Sep 2015 01:24:21 +0000 (18:24 -0700)
Define these registers and their bits.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/s526.c

index 22724a24200541d5ad1c4870f24309124ec4b6ed..9ed3edd6ba0cbc3b79ebe2778904f75737e2092f 100644 (file)
 #define S526_GPCT_MSB_REG(x)   (0x14 + ((x) * 8))
 #define S526_GPCT_MODE_REG(x)  (0x16 + ((x) * 8))
 #define S526_GPCT_CTRL_REG(x)  (0x18 + ((x) * 8))
-
-#define REG_EED 0x32
-#define REG_EEC 0x34
+#define S526_EEPROM_DATA_REG   0x32
+#define S526_EEPROM_CTRL_REG   0x34
+#define S526_EEPROM_CTRL_ADDR(x) (((x) & 0x3f) << 3)
+#define S526_EEPROM_CTRL(x)    (((x) & 0x3) << 1)
+#define S526_EEPROM_CTRL_READ  S526_EEPROM_CTRL(2)
+#define S526_EEPROM_CTRL_START BIT(0)
 
 struct counter_mode_register_t {
 #if defined(__LITTLE_ENDIAN_BITFIELD)