ad525x_dpot: add support for one time programmable pots

[safe/jmp/linux-2.6] / drivers / misc / ad525x_dpot.h

diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 99b388e..78b89fd 100644 (file)
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -15,27 +15,29 @@
                (((features) << 18) | (((wipers) & 0xFF) << 10) | \
                ((max_pos & 0xF) << 6) | (uid & 0x3F))
 
-#define DPOT_UID(conf) (conf & 0x3F)
-#define DPOT_MAX_POS(conf) ((conf >> 6) & 0xF)
-#define DPOT_WIPERS(conf) ((conf >> 10) & 0xFF)
-#define DPOT_FEAT(conf) (conf >> 18)
-
-#define BRDAC0 (1 << 0)
-#define BRDAC1 (1 << 1)
-#define BRDAC2 (1 << 2)
-#define BRDAC3 (1 << 3)
-#define BRDAC4 (1 << 4)
-#define BRDAC5 (1 << 5)
+#define DPOT_UID(conf)         (conf & 0x3F)
+#define DPOT_MAX_POS(conf)     ((conf >> 6) & 0xF)
+#define DPOT_WIPERS(conf)      ((conf >> 10) & 0xFF)
+#define DPOT_FEAT(conf)                (conf >> 18)
+
+#define BRDAC0                 (1 << 0)
+#define BRDAC1                 (1 << 1)
+#define BRDAC2                 (1 << 2)
+#define BRDAC3                 (1 << 3)
+#define BRDAC4                 (1 << 4)
+#define BRDAC5                 (1 << 5)
+#define MAX_RDACS              6
 
 #define F_CMD_INC              (1 << 0)        /* Features INC/DEC ALL, 6dB */
 #define F_CMD_EEP              (1 << 1)        /* Features EEPROM */
-#define F_CMD_TOL              (1 << 2)        /* RDACS are Read/Write + Tolerance REG */
-#define F_RDACS_RW             (1 << 3)        /* RDACS are Read/Write + Tolerance REG */
-#define F_RDACS_WONLY          (1 << 4)        /* RDACS are Write only */
-#define F_AD_APPDATA           (1 << 5)        /* RDAC Address append to data */
-#define F_SPI_8BIT             (1 << 6)        /* All SPI XFERS are 8-bit */
-#define F_SPI_16BIT            (1 << 7)        /* All SPI XFERS are 16-bit */
-#define F_SPI_24BIT            (1 << 8)        /* All SPI XFERS are 24-bit */
+#define F_CMD_OTP              (1 << 2)        /* Features OTP */
+#define F_CMD_TOL              (1 << 3)        /* RDACS feature Tolerance REG */
+#define F_RDACS_RW             (1 << 4)        /* RDACS are Read/Write  */
+#define F_RDACS_WONLY          (1 << 5)        /* RDACS are Write only */
+#define F_AD_APPDATA           (1 << 6)        /* RDAC Address append to data */
+#define F_SPI_8BIT             (1 << 7)        /* All SPI XFERS are 8-bit */
+#define F_SPI_16BIT            (1 << 8)        /* All SPI XFERS are 16-bit */
+#define F_SPI_24BIT            (1 << 9)        /* All SPI XFERS are 24-bit */
 
 #define F_RDACS_RW_TOL (F_RDACS_RW | F_CMD_EEP | F_CMD_TOL)
 #define F_RDACS_RW_EEP (F_RDACS_RW | F_CMD_EEP)
@@ -104,6 +106,22 @@ enum dpot_devid {
                        BRDAC0 | BRDAC1 | BRDAC2, 8, 31),
        ADN2850_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT,
                        BRDAC0 | BRDAC1, 10, 32),
+       AD5241_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 33),
+       AD5242_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 34),
+       AD5243_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 35),
+       AD5245_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 36),
+       AD5246_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 37),
+       AD5247_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 38),
+       AD5248_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 39),
+       AD5280_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 40),
+       AD5282_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 41),
+       ADN2860_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
+                       BRDAC0 | BRDAC1 | BRDAC2, 9, 42),
+       AD5273_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 6, 43),
+       AD5171_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 6, 44),
+       AD5170_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 8, 45),
+       AD5172_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0 | BRDAC1, 8, 46),
+       AD5173_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0 | BRDAC1, 8, 47),
 };
 
 #define DPOT_RDAC0             0
@@ -124,9 +142,11 @@ enum dpot_devid {
 #define DPOT_TOL_RDAC5         (DPOT_REG_TOL | DPOT_RDAC5)
 
 /* RDAC-to-EEPROM Interface Commands */
-#define DPOT_ADDR_RDAC         (0x00 << 5)
-#define DPOT_ADDR_EEPROM       (0x01 << 5)
-#define DPOT_ADDR_CMD          (0x80)
+#define DPOT_ADDR_RDAC         (0x0 << 5)
+#define DPOT_ADDR_EEPROM       (0x1 << 5)
+#define DPOT_ADDR_OTP          (0x1 << 6)
+#define DPOT_ADDR_CMD          (0x1 << 7)
+#define DPOT_ADDR_OTP_EN       (0x1 << 9)
 
 #define DPOT_DEC_ALL_6DB       (DPOT_ADDR_CMD | (0x4 << 3))
 #define DPOT_INC_ALL_6DB       (DPOT_ADDR_CMD | (0x9 << 3))
@@ -146,6 +166,15 @@ enum dpot_devid {
 #define DPOT_AD5291_RDAC       0x01
 #define DPOT_AD5291_READ_RDAC  0x02
 
+/* AD524x use special commands */
+#define DPOT_AD5291_RDAC_AB    0x80
+
+#define DPOT_AD5273_FUSE       0x80
+#define DPOT_AD5270_2_3_FUSE   0x20
+#define DPOT_AD5270_2_3_OW     0x08
+#define DPOT_AD5272_3_A0       0x08
+#define DPOT_AD5270_2FUSE      0x80
+
 struct dpot_data;
 
 struct ad_dpot_bus_ops {