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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8bace2d5b4
If we compile the MAX8998 for a 64bit architecture we receive the following
warnings:
drivers/mfd/max8998.c: In function ‘max8998_i2c_get_driver_data’:
drivers/mfd/max8998.c:178:10:
warning: cast from pointer to integer of different size
return (int)match->data;
^
Signed-off-by: Lee Jones <lee.jones@linaro.org>
183 lines
5.0 KiB
C
183 lines
5.0 KiB
C
/*
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* max8998-private.h - Voltage regulator driver for the Maxim 8998
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*
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* Copyright (C) 2009-2010 Samsung Electrnoics
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* Kyungmin Park <kyungmin.park@samsung.com>
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* Marek Szyprowski <m.szyprowski@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __LINUX_MFD_MAX8998_PRIV_H
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#define __LINUX_MFD_MAX8998_PRIV_H
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#define MAX8998_NUM_IRQ_REGS 4
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/* MAX 8998 registers */
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enum {
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MAX8998_REG_IRQ1,
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MAX8998_REG_IRQ2,
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MAX8998_REG_IRQ3,
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MAX8998_REG_IRQ4,
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MAX8998_REG_IRQM1,
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MAX8998_REG_IRQM2,
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MAX8998_REG_IRQM3,
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MAX8998_REG_IRQM4,
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MAX8998_REG_STATUS1,
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MAX8998_REG_STATUS2,
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MAX8998_REG_STATUSM1,
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MAX8998_REG_STATUSM2,
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MAX8998_REG_CHGR1,
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MAX8998_REG_CHGR2,
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MAX8998_REG_LDO_ACTIVE_DISCHARGE1,
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MAX8998_REG_LDO_ACTIVE_DISCHARGE2,
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MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
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MAX8998_REG_ONOFF1,
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MAX8998_REG_ONOFF2,
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MAX8998_REG_ONOFF3,
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MAX8998_REG_ONOFF4,
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MAX8998_REG_BUCK1_VOLTAGE1,
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MAX8998_REG_BUCK1_VOLTAGE2,
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MAX8998_REG_BUCK1_VOLTAGE3,
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MAX8998_REG_BUCK1_VOLTAGE4,
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MAX8998_REG_BUCK2_VOLTAGE1,
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MAX8998_REG_BUCK2_VOLTAGE2,
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MAX8998_REG_BUCK3,
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MAX8998_REG_BUCK4,
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MAX8998_REG_LDO2_LDO3,
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MAX8998_REG_LDO4,
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MAX8998_REG_LDO5,
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MAX8998_REG_LDO6,
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MAX8998_REG_LDO7,
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MAX8998_REG_LDO8_LDO9,
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MAX8998_REG_LDO10_LDO11,
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MAX8998_REG_LDO12,
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MAX8998_REG_LDO13,
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MAX8998_REG_LDO14,
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MAX8998_REG_LDO15,
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MAX8998_REG_LDO16,
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MAX8998_REG_LDO17,
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MAX8998_REG_BKCHR,
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MAX8998_REG_LBCNFG1,
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MAX8998_REG_LBCNFG2,
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};
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/* IRQ definitions */
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enum {
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MAX8998_IRQ_DCINF,
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MAX8998_IRQ_DCINR,
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MAX8998_IRQ_JIGF,
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MAX8998_IRQ_JIGR,
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MAX8998_IRQ_PWRONF,
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MAX8998_IRQ_PWRONR,
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MAX8998_IRQ_WTSREVNT,
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MAX8998_IRQ_SMPLEVNT,
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MAX8998_IRQ_ALARM1,
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MAX8998_IRQ_ALARM0,
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MAX8998_IRQ_ONKEY1S,
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MAX8998_IRQ_TOPOFFR,
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MAX8998_IRQ_DCINOVPR,
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MAX8998_IRQ_CHGRSTF,
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MAX8998_IRQ_DONER,
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MAX8998_IRQ_CHGFAULT,
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MAX8998_IRQ_LOBAT1,
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MAX8998_IRQ_LOBAT2,
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MAX8998_IRQ_NR,
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};
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/* MAX8998 various variants */
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enum {
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TYPE_MAX8998 = 0, /* Default */
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TYPE_LP3974, /* National version of MAX8998 */
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TYPE_LP3979, /* Added AVS */
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};
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#define MAX8998_IRQ_DCINF_MASK (1 << 2)
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#define MAX8998_IRQ_DCINR_MASK (1 << 3)
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#define MAX8998_IRQ_JIGF_MASK (1 << 4)
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#define MAX8998_IRQ_JIGR_MASK (1 << 5)
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#define MAX8998_IRQ_PWRONF_MASK (1 << 6)
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#define MAX8998_IRQ_PWRONR_MASK (1 << 7)
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#define MAX8998_IRQ_WTSREVNT_MASK (1 << 0)
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#define MAX8998_IRQ_SMPLEVNT_MASK (1 << 1)
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#define MAX8998_IRQ_ALARM1_MASK (1 << 2)
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#define MAX8998_IRQ_ALARM0_MASK (1 << 3)
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#define MAX8998_IRQ_ONKEY1S_MASK (1 << 0)
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#define MAX8998_IRQ_TOPOFFR_MASK (1 << 2)
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#define MAX8998_IRQ_DCINOVPR_MASK (1 << 3)
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#define MAX8998_IRQ_CHGRSTF_MASK (1 << 4)
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#define MAX8998_IRQ_DONER_MASK (1 << 5)
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#define MAX8998_IRQ_CHGFAULT_MASK (1 << 7)
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#define MAX8998_IRQ_LOBAT1_MASK (1 << 0)
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#define MAX8998_IRQ_LOBAT2_MASK (1 << 1)
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#define MAX8998_ENRAMP (1 << 4)
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struct irq_domain;
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/**
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* struct max8998_dev - max8998 master device for sub-drivers
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* @dev: master device of the chip (can be used to access platform data)
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* @pdata: platform data for the driver and subdrivers
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* @i2c: i2c client private data for regulator
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* @rtc: i2c client private data for rtc
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* @iolock: mutex for serializing io access
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* @irqlock: mutex for buslock
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* @irq_base: base IRQ number for max8998, required for IRQs
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* @irq: generic IRQ number for max8998
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* @ono: power onoff IRQ number for max8998
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* @irq_masks_cur: currently active value
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* @irq_masks_cache: cached hardware value
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* @type: indicate which max8998 "variant" is used
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*/
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struct max8998_dev {
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struct device *dev;
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struct max8998_platform_data *pdata;
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struct i2c_client *i2c;
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struct i2c_client *rtc;
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struct mutex iolock;
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struct mutex irqlock;
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unsigned int irq_base;
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struct irq_domain *irq_domain;
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int irq;
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int ono;
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u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS];
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u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS];
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unsigned long type;
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bool wakeup;
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};
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int max8998_irq_init(struct max8998_dev *max8998);
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void max8998_irq_exit(struct max8998_dev *max8998);
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int max8998_irq_resume(struct max8998_dev *max8998);
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extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
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extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count,
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u8 *buf);
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extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value);
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extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count,
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u8 *buf);
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extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
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#endif /* __LINUX_MFD_MAX8998_PRIV_H */
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