cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rc5t583.h (9501B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Core driver interface to access RICOH_RC5T583 power management chip.
      4 *
      5 * Copyright (c) 2011-2012, NVIDIA CORPORATION.  All rights reserved.
      6 * Author: Laxman dewangan <ldewangan@nvidia.com>
      7 *
      8 * Based on code
      9 *      Copyright (C) 2011 RICOH COMPANY,LTD
     10 */
     11
     12#ifndef __LINUX_MFD_RC5T583_H
     13#define __LINUX_MFD_RC5T583_H
     14
     15#include <linux/mutex.h>
     16#include <linux/types.h>
     17#include <linux/regmap.h>
     18
     19/* Maximum number of main interrupts */
     20#define MAX_MAIN_INTERRUPT		5
     21#define RC5T583_MAX_GPEDGE_REG		2
     22#define RC5T583_MAX_INTERRUPT_EN_REGS	8
     23#define RC5T583_MAX_INTERRUPT_MASK_REGS	9
     24
     25/* Interrupt enable register */
     26#define RC5T583_INT_EN_SYS1	0x19
     27#define RC5T583_INT_EN_SYS2	0x1D
     28#define RC5T583_INT_EN_DCDC	0x41
     29#define RC5T583_INT_EN_RTC	0xED
     30#define RC5T583_INT_EN_ADC1	0x90
     31#define RC5T583_INT_EN_ADC2	0x91
     32#define RC5T583_INT_EN_ADC3	0x92
     33
     34/* Interrupt status registers (monitor regs in Ricoh)*/
     35#define RC5T583_INTC_INTPOL	0xAD
     36#define RC5T583_INTC_INTEN	0xAE
     37#define RC5T583_INTC_INTMON	0xAF
     38
     39#define RC5T583_INT_MON_GRP	0xAF
     40#define RC5T583_INT_MON_SYS1	0x1B
     41#define RC5T583_INT_MON_SYS2	0x1F
     42#define RC5T583_INT_MON_DCDC	0x43
     43#define RC5T583_INT_MON_RTC	0xEE
     44
     45/* Interrupt clearing registers */
     46#define RC5T583_INT_IR_SYS1	0x1A
     47#define RC5T583_INT_IR_SYS2	0x1E
     48#define RC5T583_INT_IR_DCDC	0x42
     49#define RC5T583_INT_IR_RTC	0xEE
     50#define RC5T583_INT_IR_ADCL	0x94
     51#define RC5T583_INT_IR_ADCH	0x95
     52#define RC5T583_INT_IR_ADCEND	0x96
     53#define RC5T583_INT_IR_GPIOR	0xA9
     54#define RC5T583_INT_IR_GPIOF	0xAA
     55
     56/* Sleep sequence registers */
     57#define RC5T583_SLPSEQ1		0x21
     58#define RC5T583_SLPSEQ2		0x22
     59#define RC5T583_SLPSEQ3		0x23
     60#define RC5T583_SLPSEQ4		0x24
     61#define RC5T583_SLPSEQ5		0x25
     62#define RC5T583_SLPSEQ6		0x26
     63#define RC5T583_SLPSEQ7		0x27
     64#define RC5T583_SLPSEQ8		0x28
     65#define RC5T583_SLPSEQ9		0x29
     66#define RC5T583_SLPSEQ10	0x2A
     67#define RC5T583_SLPSEQ11	0x2B
     68
     69/* Regulator registers */
     70#define RC5T583_REG_DC0CTL	0x30
     71#define RC5T583_REG_DC0DAC	0x31
     72#define RC5T583_REG_DC0LATCTL	0x32
     73#define RC5T583_REG_SR0CTL	0x33
     74
     75#define RC5T583_REG_DC1CTL	0x34
     76#define RC5T583_REG_DC1DAC	0x35
     77#define RC5T583_REG_DC1LATCTL	0x36
     78#define RC5T583_REG_SR1CTL	0x37
     79
     80#define RC5T583_REG_DC2CTL	0x38
     81#define RC5T583_REG_DC2DAC	0x39
     82#define RC5T583_REG_DC2LATCTL	0x3A
     83#define RC5T583_REG_SR2CTL	0x3B
     84
     85#define RC5T583_REG_DC3CTL	0x3C
     86#define RC5T583_REG_DC3DAC	0x3D
     87#define RC5T583_REG_DC3LATCTL	0x3E
     88#define RC5T583_REG_SR3CTL	0x3F
     89
     90
     91#define RC5T583_REG_LDOEN1	0x50
     92#define RC5T583_REG_LDOEN2	0x51
     93#define RC5T583_REG_LDODIS1	0x52
     94#define RC5T583_REG_LDODIS2	0x53
     95
     96#define RC5T583_REG_LDO0DAC	0x54
     97#define RC5T583_REG_LDO1DAC	0x55
     98#define RC5T583_REG_LDO2DAC	0x56
     99#define RC5T583_REG_LDO3DAC	0x57
    100#define RC5T583_REG_LDO4DAC	0x58
    101#define RC5T583_REG_LDO5DAC	0x59
    102#define RC5T583_REG_LDO6DAC	0x5A
    103#define RC5T583_REG_LDO7DAC	0x5B
    104#define RC5T583_REG_LDO8DAC	0x5C
    105#define RC5T583_REG_LDO9DAC	0x5D
    106
    107#define RC5T583_REG_DC0DAC_DS	0x60
    108#define RC5T583_REG_DC1DAC_DS	0x61
    109#define RC5T583_REG_DC2DAC_DS	0x62
    110#define RC5T583_REG_DC3DAC_DS	0x63
    111
    112#define RC5T583_REG_LDO0DAC_DS	0x64
    113#define RC5T583_REG_LDO1DAC_DS	0x65
    114#define RC5T583_REG_LDO2DAC_DS	0x66
    115#define RC5T583_REG_LDO3DAC_DS	0x67
    116#define RC5T583_REG_LDO4DAC_DS	0x68
    117#define RC5T583_REG_LDO5DAC_DS	0x69
    118#define RC5T583_REG_LDO6DAC_DS	0x6A
    119#define RC5T583_REG_LDO7DAC_DS	0x6B
    120#define RC5T583_REG_LDO8DAC_DS	0x6C
    121#define RC5T583_REG_LDO9DAC_DS	0x6D
    122
    123/* GPIO register base address */
    124#define RC5T583_GPIO_IOSEL	0xA0
    125#define RC5T583_GPIO_PDEN	0xA1
    126#define RC5T583_GPIO_IOOUT	0xA2
    127#define RC5T583_GPIO_PGSEL	0xA3
    128#define RC5T583_GPIO_GPINV	0xA4
    129#define RC5T583_GPIO_GPDEB	0xA5
    130#define RC5T583_GPIO_GPEDGE1	0xA6
    131#define RC5T583_GPIO_GPEDGE2	0xA7
    132#define RC5T583_GPIO_EN_INT	0xA8
    133#define RC5T583_GPIO_MON_IOIN	0xAB
    134#define RC5T583_GPIO_GPOFUNC	0xAC
    135
    136/* RTC registers */
    137#define RC5T583_RTC_SEC		0xE0
    138#define RC5T583_RTC_MIN		0xE1
    139#define RC5T583_RTC_HOUR	0xE2
    140#define RC5T583_RTC_WDAY	0xE3
    141#define RC5T583_RTC_DAY		0xE4
    142#define RC5T583_RTC_MONTH	0xE5
    143#define RC5T583_RTC_YEAR	0xE6
    144#define RC5T583_RTC_ADJ		0xE7
    145#define RC5T583_RTC_AW_MIN	0xE8
    146#define RC5T583_RTC_AW_HOUR	0xE9
    147#define RC5T583_RTC_AW_WEEK	0xEA
    148#define RC5T583_RTC_AD_MIN	0xEB
    149#define RC5T583_RTC_AD_HOUR	0xEC
    150#define RC5T583_RTC_CTL1	0xED
    151#define RC5T583_RTC_CTL2	0xEE
    152#define RC5T583_RTC_AY_MIN	0xF0
    153#define RC5T583_RTC_AY_HOUR	0xF1
    154#define RC5T583_RTC_AY_DAY	0xF2
    155#define RC5T583_RTC_AY_MONTH 0xF3
    156#define RC5T583_RTC_AY_YEAR	0xF4
    157
    158#define RC5T583_MAX_REG		0xF7
    159#define RC5T583_NUM_REGS	(RC5T583_MAX_REG + 1)
    160
    161/* RICOH_RC5T583 IRQ definitions */
    162enum {
    163	RC5T583_IRQ_ONKEY,
    164	RC5T583_IRQ_ACOK,
    165	RC5T583_IRQ_LIDOPEN,
    166	RC5T583_IRQ_PREOT,
    167	RC5T583_IRQ_CLKSTP,
    168	RC5T583_IRQ_ONKEY_OFF,
    169	RC5T583_IRQ_WD,
    170	RC5T583_IRQ_EN_PWRREQ1,
    171	RC5T583_IRQ_EN_PWRREQ2,
    172	RC5T583_IRQ_PRE_VINDET,
    173
    174	RC5T583_IRQ_DC0LIM,
    175	RC5T583_IRQ_DC1LIM,
    176	RC5T583_IRQ_DC2LIM,
    177	RC5T583_IRQ_DC3LIM,
    178
    179	RC5T583_IRQ_CTC,
    180	RC5T583_IRQ_YALE,
    181	RC5T583_IRQ_DALE,
    182	RC5T583_IRQ_WALE,
    183
    184	RC5T583_IRQ_AIN1L,
    185	RC5T583_IRQ_AIN2L,
    186	RC5T583_IRQ_AIN3L,
    187	RC5T583_IRQ_VBATL,
    188	RC5T583_IRQ_VIN3L,
    189	RC5T583_IRQ_VIN8L,
    190	RC5T583_IRQ_AIN1H,
    191	RC5T583_IRQ_AIN2H,
    192	RC5T583_IRQ_AIN3H,
    193	RC5T583_IRQ_VBATH,
    194	RC5T583_IRQ_VIN3H,
    195	RC5T583_IRQ_VIN8H,
    196	RC5T583_IRQ_ADCEND,
    197
    198	RC5T583_IRQ_GPIO0,
    199	RC5T583_IRQ_GPIO1,
    200	RC5T583_IRQ_GPIO2,
    201	RC5T583_IRQ_GPIO3,
    202	RC5T583_IRQ_GPIO4,
    203	RC5T583_IRQ_GPIO5,
    204	RC5T583_IRQ_GPIO6,
    205	RC5T583_IRQ_GPIO7,
    206
    207	/* Should be last entry */
    208	RC5T583_MAX_IRQS,
    209};
    210
    211/* Ricoh583 gpio definitions */
    212enum {
    213	RC5T583_GPIO0,
    214	RC5T583_GPIO1,
    215	RC5T583_GPIO2,
    216	RC5T583_GPIO3,
    217	RC5T583_GPIO4,
    218	RC5T583_GPIO5,
    219	RC5T583_GPIO6,
    220	RC5T583_GPIO7,
    221
    222	/* Should be last entry */
    223	RC5T583_MAX_GPIO,
    224};
    225
    226enum {
    227	RC5T583_DS_NONE,
    228	RC5T583_DS_DC0,
    229	RC5T583_DS_DC1,
    230	RC5T583_DS_DC2,
    231	RC5T583_DS_DC3,
    232	RC5T583_DS_LDO0,
    233	RC5T583_DS_LDO1,
    234	RC5T583_DS_LDO2,
    235	RC5T583_DS_LDO3,
    236	RC5T583_DS_LDO4,
    237	RC5T583_DS_LDO5,
    238	RC5T583_DS_LDO6,
    239	RC5T583_DS_LDO7,
    240	RC5T583_DS_LDO8,
    241	RC5T583_DS_LDO9,
    242	RC5T583_DS_PSO0,
    243	RC5T583_DS_PSO1,
    244	RC5T583_DS_PSO2,
    245	RC5T583_DS_PSO3,
    246	RC5T583_DS_PSO4,
    247	RC5T583_DS_PSO5,
    248	RC5T583_DS_PSO6,
    249	RC5T583_DS_PSO7,
    250
    251	/* Should be last entry */
    252	RC5T583_DS_MAX,
    253};
    254
    255/*
    256 * Ricoh pmic RC5T583 supports sleep through two external controls.
    257 * The output of gpios and regulator can be enable/disable through
    258 * this external signals.
    259 */
    260enum {
    261	RC5T583_EXT_PWRREQ1_CONTROL = 0x1,
    262	RC5T583_EXT_PWRREQ2_CONTROL = 0x2,
    263};
    264
    265enum {
    266	RC5T583_REGULATOR_DC0,
    267	RC5T583_REGULATOR_DC1,
    268	RC5T583_REGULATOR_DC2,
    269	RC5T583_REGULATOR_DC3,
    270	RC5T583_REGULATOR_LDO0,
    271	RC5T583_REGULATOR_LDO1,
    272	RC5T583_REGULATOR_LDO2,
    273	RC5T583_REGULATOR_LDO3,
    274	RC5T583_REGULATOR_LDO4,
    275	RC5T583_REGULATOR_LDO5,
    276	RC5T583_REGULATOR_LDO6,
    277	RC5T583_REGULATOR_LDO7,
    278	RC5T583_REGULATOR_LDO8,
    279	RC5T583_REGULATOR_LDO9,
    280
    281	/* Should be last entry */
    282	RC5T583_REGULATOR_MAX,
    283};
    284
    285struct rc5t583 {
    286	struct device	*dev;
    287	struct regmap	*regmap;
    288	int		chip_irq;
    289	int		irq_base;
    290	struct mutex	irq_lock;
    291	unsigned long	group_irq_en[MAX_MAIN_INTERRUPT];
    292
    293	/* For main interrupt bits in INTC */
    294	uint8_t		intc_inten_reg;
    295
    296	/* For group interrupt bits and address */
    297	uint8_t		irq_en_reg[RC5T583_MAX_INTERRUPT_EN_REGS];
    298
    299	/* For gpio edge */
    300	uint8_t		gpedge_reg[RC5T583_MAX_GPEDGE_REG];
    301};
    302
    303/*
    304 * rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
    305 * The board specific data is provided through this structure.
    306 * @irq_base: Irq base number on which this device registers their interrupts.
    307 * @gpio_base: GPIO base from which gpio of this device will start.
    308 * @enable_shutdown: Enable shutdown through the input pin "shutdown".
    309 * @regulator_deepsleep_slot: The slot number on which device goes to sleep
    310 *		in device sleep mode.
    311 * @regulator_ext_pwr_control: External power request regulator control. The
    312 *		regulator output enable/disable is controlled by the external
    313 *		power request input state.
    314 * @reg_init_data: Regulator init data.
    315 */
    316
    317struct rc5t583_platform_data {
    318	int		irq_base;
    319	int		gpio_base;
    320	bool		enable_shutdown;
    321	int		regulator_deepsleep_slot[RC5T583_REGULATOR_MAX];
    322	unsigned long	regulator_ext_pwr_control[RC5T583_REGULATOR_MAX];
    323	struct regulator_init_data *reg_init_data[RC5T583_REGULATOR_MAX];
    324};
    325
    326static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
    327{
    328	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
    329	return regmap_write(rc5t583->regmap, reg, val);
    330}
    331
    332static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
    333{
    334	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
    335	unsigned int ival;
    336	int ret;
    337	ret = regmap_read(rc5t583->regmap, reg, &ival);
    338	if (!ret)
    339		*val = (uint8_t)ival;
    340	return ret;
    341}
    342
    343static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
    344			unsigned int bit_mask)
    345{
    346	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
    347	return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
    348}
    349
    350static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
    351			unsigned int bit_mask)
    352{
    353	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
    354	return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
    355}
    356
    357static inline int rc5t583_update(struct device *dev, unsigned int reg,
    358		unsigned int val, unsigned int mask)
    359{
    360	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
    361	return regmap_update_bits(rc5t583->regmap, reg, mask, val);
    362}
    363
    364int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
    365	int ext_pwr_req, int deepsleep_slot_nr);
    366int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
    367int rc5t583_irq_exit(struct rc5t583 *rc5t583);
    368
    369#endif