| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Michael Hennerich | 1379 | 99.64% | 10 | 76.92% |
| Thomas Gleixner | 2 | 0.14% | 1 | 7.69% |
| Steven Miao | 2 | 0.14% | 1 | 7.69% |
| Uwe Kleine-König | 1 | 0.07% | 1 | 7.69% |
| Total | 1384 | 13 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Driver for the Analog Devices digital potentiometers * * Copyright (C) 2010 Michael Hennerich, Analog Devices Inc. */ #ifndef _AD_DPOT_H_ #define _AD_DPOT_H_ #include <linux/types.h> #define DPOT_CONF(features, wipers, max_pos, uid) \ (((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 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_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) #define F_SPI (F_SPI_8BIT | F_SPI_16BIT | F_SPI_24BIT) enum dpot_devid { AD5258_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 6, 0), /* I2C */ AD5259_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 8, 1), AD5251_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC, BRDAC1 | BRDAC3, 6, 2), AD5252_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC, BRDAC1 | BRDAC3, 8, 3), AD5253_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC, BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 4), AD5254_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC, BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 5), AD5255_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC, BRDAC0 | BRDAC1 | BRDAC2, 9, 6), AD5160_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 8, 7), /* SPI */ AD5161_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 8, 8), AD5162_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1, 8, 9), AD5165_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 8, 10), AD5200_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 8, 11), AD5201_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 5, 12), AD5203_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 13), AD5204_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 14), AD5206_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3 | BRDAC4 | BRDAC5, 8, 15), AD5207_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1, 8, 16), AD5231_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT, BRDAC0, 10, 17), AD5232_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_16BIT, BRDAC0 | BRDAC1, 8, 18), AD5233_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_16BIT, BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 19), AD5235_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT, BRDAC0 | BRDAC1, 10, 20), AD5260_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 8, 21), AD5262_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1, 8, 22), AD5263_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 23), AD5290_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 8, 24), AD5291_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT | F_CMD_OTP, BRDAC0, 8, 25), AD5292_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT | F_CMD_OTP, BRDAC0, 10, 26), AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27), AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 7, 28), AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0, 8, 29), AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1, 8, 30), AD8403_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, 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), AD5270_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP | F_SPI_16BIT, BRDAC0, 10, 48), AD5271_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP | F_SPI_16BIT, BRDAC0, 8, 49), AD5272_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 10, 50), AD5274_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 8, 51), }; #define DPOT_RDAC0 0 #define DPOT_RDAC1 1 #define DPOT_RDAC2 2 #define DPOT_RDAC3 3 #define DPOT_RDAC4 4 #define DPOT_RDAC5 5 #define DPOT_RDAC_MASK 0x1F #define DPOT_REG_TOL 0x18 #define DPOT_TOL_RDAC0 (DPOT_REG_TOL | DPOT_RDAC0) #define DPOT_TOL_RDAC1 (DPOT_REG_TOL | DPOT_RDAC1) #define DPOT_TOL_RDAC2 (DPOT_REG_TOL | DPOT_RDAC2) #define DPOT_TOL_RDAC3 (DPOT_REG_TOL | DPOT_RDAC3) #define DPOT_TOL_RDAC4 (DPOT_REG_TOL | DPOT_RDAC4) #define DPOT_TOL_RDAC5 (DPOT_REG_TOL | DPOT_RDAC5) /* RDAC-to-EEPROM Interface Commands */ #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)) #define DPOT_DEC_ALL (DPOT_ADDR_CMD | (0x6 << 3)) #define DPOT_INC_ALL (DPOT_ADDR_CMD | (0xB << 3)) #define DPOT_SPI_RDAC 0xB0 #define DPOT_SPI_EEPROM 0x30 #define DPOT_SPI_READ_RDAC 0xA0 #define DPOT_SPI_READ_EEPROM 0x90 #define DPOT_SPI_DEC_ALL_6DB 0x50 #define DPOT_SPI_INC_ALL_6DB 0xD0 #define DPOT_SPI_DEC_ALL 0x70 #define DPOT_SPI_INC_ALL 0xF0 /* AD5291/2/3 use special commands */ #define DPOT_AD5291_RDAC 0x01 #define DPOT_AD5291_READ_RDAC 0x02 #define DPOT_AD5291_STORE_XTPM 0x03 #define DPOT_AD5291_CTRLREG 0x06 #define DPOT_AD5291_UNLOCK_CMD 0x03 /* AD5270/1/2/4 use special commands */ #define DPOT_AD5270_1_2_4_RDAC 0x01 #define DPOT_AD5270_1_2_4_READ_RDAC 0x02 #define DPOT_AD5270_1_2_4_STORE_XTPM 0x03 #define DPOT_AD5270_1_2_4_CTRLREG 0x07 #define DPOT_AD5270_1_2_4_UNLOCK_CMD 0x03 #define DPOT_AD5282_RDAC_AB 0x80 #define DPOT_AD5273_FUSE 0x80 #define DPOT_AD5170_2_3_FUSE 0x20 #define DPOT_AD5170_2_3_OW 0x08 #define DPOT_AD5172_3_A0 0x08 #define DPOT_AD5170_2FUSE 0x80 struct dpot_data; struct ad_dpot_bus_ops { int (*read_d8)(void *client); int (*read_r8d8)(void *client, u8 reg); int (*read_r8d16)(void *client, u8 reg); int (*write_d8)(void *client, u8 val); int (*write_r8d8)(void *client, u8 reg, u8 val); int (*write_r8d16)(void *client, u8 reg, u16 val); }; struct ad_dpot_bus_data { void *client; const struct ad_dpot_bus_ops *bops; }; int ad_dpot_probe(struct device *dev, struct ad_dpot_bus_data *bdata, unsigned long devid, const char *name); void ad_dpot_remove(struct device *dev); #endif
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