^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) // extcon-max77843.c - Maxim MAX77843 extcon driver to support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) // MUIC(Micro USB Interface Controller)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) // Copyright (C) 2015 Samsung Electronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) // Author: Jaewon Kim <jaewon02.kim@samsung.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/extcon-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/mfd/max77693-common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/mfd/max77843-private.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define DELAY_MS_DEFAULT 15000 /* unit: millisecond */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) enum max77843_muic_status {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) MAX77843_MUIC_STATUS1 = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) MAX77843_MUIC_STATUS2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) MAX77843_MUIC_STATUS3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) MAX77843_MUIC_STATUS_NUM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct max77843_muic_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct max77693_dev *max77843;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct extcon_dev *edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct mutex mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct work_struct irq_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct delayed_work wq_detcable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) u8 status[MAX77843_MUIC_STATUS_NUM];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int prev_cable_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int prev_chg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int prev_gnd_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) bool irq_adc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) bool irq_chg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) enum max77843_muic_cable_group {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) MAX77843_CABLE_GROUP_ADC = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) MAX77843_CABLE_GROUP_ADC_GND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) MAX77843_CABLE_GROUP_CHG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) enum max77843_muic_adc_debounce_time {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) MAX77843_DEBOUNCE_TIME_5MS = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) MAX77843_DEBOUNCE_TIME_10MS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) MAX77843_DEBOUNCE_TIME_25MS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) MAX77843_DEBOUNCE_TIME_38_62MS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /* Define accessory cable type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) enum max77843_muic_accessory_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) MAX77843_MUIC_ADC_GROUND = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) MAX77843_MUIC_ADC_SEND_END_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) MAX77843_MUIC_ADC_REMOTE_S1_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) MAX77843_MUIC_ADC_REMOTE_S2_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) MAX77843_MUIC_ADC_REMOTE_S3_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) MAX77843_MUIC_ADC_REMOTE_S4_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) MAX77843_MUIC_ADC_REMOTE_S5_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) MAX77843_MUIC_ADC_REMOTE_S6_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) MAX77843_MUIC_ADC_REMOTE_S7_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) MAX77843_MUIC_ADC_REMOTE_S8_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) MAX77843_MUIC_ADC_REMOTE_S9_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) MAX77843_MUIC_ADC_REMOTE_S10_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) MAX77843_MUIC_ADC_REMOTE_S11_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) MAX77843_MUIC_ADC_REMOTE_S12_BUTTON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) MAX77843_MUIC_ADC_RESERVED_ACC_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) MAX77843_MUIC_ADC_RESERVED_ACC_2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) MAX77843_MUIC_ADC_RESERVED_ACC_3, /* SmartDock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) MAX77843_MUIC_ADC_RESERVED_ACC_4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) MAX77843_MUIC_ADC_RESERVED_ACC_5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) MAX77843_MUIC_ADC_AUDIO_DEVICE_TYPE2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) MAX77843_MUIC_ADC_PHONE_POWERED_DEV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) MAX77843_MUIC_ADC_TTY_CONVERTER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) MAX77843_MUIC_ADC_UART_CABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) MAX77843_MUIC_ADC_CEA936A_TYPE1_CHG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) MAX77843_MUIC_ADC_FACTORY_MODE_USB_OFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) MAX77843_MUIC_ADC_FACTORY_MODE_USB_ON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) MAX77843_MUIC_ADC_AV_CABLE_NOLOAD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) MAX77843_MUIC_ADC_CEA936A_TYPE2_CHG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) MAX77843_MUIC_ADC_FACTORY_MODE_UART_OFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) MAX77843_MUIC_ADC_FACTORY_MODE_UART_ON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) MAX77843_MUIC_ADC_AUDIO_DEVICE_TYPE1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) MAX77843_MUIC_ADC_OPEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * The below accessories should check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * not only ADC value but also ADC1K and VBVolt value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /* Offset|ADC1K|VBVolt| */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) MAX77843_MUIC_GND_USB_HOST = 0x100, /* 0x1| 0| 0| */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) MAX77843_MUIC_GND_USB_HOST_VB = 0x101, /* 0x1| 0| 1| */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) MAX77843_MUIC_GND_MHL = 0x102, /* 0x1| 1| 0| */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) MAX77843_MUIC_GND_MHL_VB = 0x103, /* 0x1| 1| 1| */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) /* Define charger cable type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) enum max77843_muic_charger_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) MAX77843_MUIC_CHG_NONE = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) MAX77843_MUIC_CHG_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) MAX77843_MUIC_CHG_DOWNSTREAM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) MAX77843_MUIC_CHG_DEDICATED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) MAX77843_MUIC_CHG_SPECIAL_500MA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) MAX77843_MUIC_CHG_SPECIAL_1A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) MAX77843_MUIC_CHG_SPECIAL_BIAS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) MAX77843_MUIC_CHG_RESERVED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) MAX77843_MUIC_CHG_GND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) MAX77843_MUIC_CHG_DOCK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static const unsigned int max77843_extcon_cable[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) EXTCON_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) EXTCON_USB_HOST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) EXTCON_CHG_USB_SDP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) EXTCON_CHG_USB_DCP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) EXTCON_CHG_USB_CDP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) EXTCON_CHG_USB_FAST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) EXTCON_CHG_USB_SLOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) EXTCON_DISP_MHL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) EXTCON_DOCK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) EXTCON_JIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) EXTCON_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct max77843_muic_irq {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) unsigned int irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) unsigned int virq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static struct max77843_muic_irq max77843_muic_irqs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) { MAX77843_MUIC_IRQ_INT1_ADC, "MUIC-ADC" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) { MAX77843_MUIC_IRQ_INT1_ADCERROR, "MUIC-ADC_ERROR" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) { MAX77843_MUIC_IRQ_INT1_ADC1K, "MUIC-ADC1K" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) { MAX77843_MUIC_IRQ_INT2_CHGTYP, "MUIC-CHGTYP" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) { MAX77843_MUIC_IRQ_INT2_CHGDETRUN, "MUIC-CHGDETRUN" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) { MAX77843_MUIC_IRQ_INT2_DCDTMR, "MUIC-DCDTMR" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) { MAX77843_MUIC_IRQ_INT2_DXOVP, "MUIC-DXOVP" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) { MAX77843_MUIC_IRQ_INT2_VBVOLT, "MUIC-VBVOLT" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) { MAX77843_MUIC_IRQ_INT3_VBADC, "MUIC-VBADC" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) { MAX77843_MUIC_IRQ_INT3_VDNMON, "MUIC-VDNMON" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) { MAX77843_MUIC_IRQ_INT3_DNRES, "MUIC-DNRES" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) { MAX77843_MUIC_IRQ_INT3_MPNACK, "MUIC-MPNACK"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) { MAX77843_MUIC_IRQ_INT3_MRXBUFOW, "MUIC-MRXBUFOW"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) { MAX77843_MUIC_IRQ_INT3_MRXTRF, "MUIC-MRXTRF"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) { MAX77843_MUIC_IRQ_INT3_MRXPERR, "MUIC-MRXPERR"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) { MAX77843_MUIC_IRQ_INT3_MRXRDY, "MUIC-MRXRDY"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) static const struct regmap_config max77843_muic_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .max_register = MAX77843_MUIC_REG_END,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static const struct regmap_irq max77843_muic_irq[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) /* INT1 interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) { .reg_offset = 0, .mask = MAX77843_MUIC_ADC, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) { .reg_offset = 0, .mask = MAX77843_MUIC_ADCERROR, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) { .reg_offset = 0, .mask = MAX77843_MUIC_ADC1K, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) /* INT2 interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) { .reg_offset = 1, .mask = MAX77843_MUIC_CHGTYP, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) { .reg_offset = 1, .mask = MAX77843_MUIC_CHGDETRUN, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) { .reg_offset = 1, .mask = MAX77843_MUIC_DCDTMR, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) { .reg_offset = 1, .mask = MAX77843_MUIC_DXOVP, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) { .reg_offset = 1, .mask = MAX77843_MUIC_VBVOLT, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /* INT3 interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) { .reg_offset = 2, .mask = MAX77843_MUIC_VBADC, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) { .reg_offset = 2, .mask = MAX77843_MUIC_VDNMON, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) { .reg_offset = 2, .mask = MAX77843_MUIC_DNRES, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) { .reg_offset = 2, .mask = MAX77843_MUIC_MPNACK, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) { .reg_offset = 2, .mask = MAX77843_MUIC_MRXBUFOW, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) { .reg_offset = 2, .mask = MAX77843_MUIC_MRXTRF, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) { .reg_offset = 2, .mask = MAX77843_MUIC_MRXPERR, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) { .reg_offset = 2, .mask = MAX77843_MUIC_MRXRDY, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static const struct regmap_irq_chip max77843_muic_irq_chip = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .name = "max77843-muic",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .status_base = MAX77843_MUIC_REG_INT1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .mask_base = MAX77843_MUIC_REG_INTMASK1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .mask_invert = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .num_regs = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .irqs = max77843_muic_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .num_irqs = ARRAY_SIZE(max77843_muic_irq),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static int max77843_muic_set_path(struct max77843_muic_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) u8 val, bool attached, bool nobccomp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) struct max77693_dev *max77843 = info->max77843;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) unsigned int ctrl1, ctrl2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) if (attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) ctrl1 = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) ctrl1 = MAX77843_MUIC_CONTROL1_SW_OPEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (nobccomp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /* Disable BC1.2 protocol and force manual switch control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) ctrl1 |= MAX77843_MUIC_CONTROL1_NOBCCOMP_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) ret = regmap_update_bits(max77843->regmap_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) MAX77843_MUIC_REG_CONTROL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) MAX77843_MUIC_CONTROL1_COM_SW |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) MAX77843_MUIC_CONTROL1_NOBCCOMP_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) ctrl1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) dev_err(info->dev, "Cannot switch MUIC port\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) ctrl2 = MAX77843_MUIC_CONTROL2_CPEN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) ctrl2 = MAX77843_MUIC_CONTROL2_LOWPWR_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) ret = regmap_update_bits(max77843->regmap_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) MAX77843_MUIC_REG_CONTROL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) MAX77843_MUIC_CONTROL2_LOWPWR_MASK |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) MAX77843_MUIC_CONTROL2_CPEN_MASK, ctrl2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) dev_err(info->dev, "Cannot update lowpower mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) dev_dbg(info->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) "CONTROL1 : 0x%02x, CONTROL2 : 0x%02x, state : %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) ctrl1, ctrl2, attached ? "attached" : "detached");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) static void max77843_charger_set_otg_vbus(struct max77843_muic_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) bool on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) struct max77693_dev *max77843 = info->max77843;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) unsigned int cnfg00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) if (on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) cnfg00 = MAX77843_CHG_OTG_MASK | MAX77843_CHG_BOOST_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) cnfg00 = MAX77843_CHG_ENABLE | MAX77843_CHG_BUCK_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) regmap_update_bits(max77843->regmap_chg, MAX77843_CHG_REG_CHG_CNFG_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) MAX77843_CHG_MODE_MASK, cnfg00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static int max77843_muic_get_cable_type(struct max77843_muic_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) enum max77843_muic_cable_group group, bool *attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) int adc, chg_type, cable_type, gnd_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) adc = info->status[MAX77843_MUIC_STATUS1] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) MAX77843_MUIC_STATUS1_ADC_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) adc >>= MAX77843_MUIC_STATUS1_ADC_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) switch (group) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) case MAX77843_CABLE_GROUP_ADC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (adc == MAX77843_MUIC_ADC_OPEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) *attached = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) cable_type = info->prev_cable_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) info->prev_cable_type = MAX77843_MUIC_ADC_OPEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) *attached = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) cable_type = info->prev_cable_type = adc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) case MAX77843_CABLE_GROUP_CHG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) chg_type = info->status[MAX77843_MUIC_STATUS2] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) MAX77843_MUIC_STATUS2_CHGTYP_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /* Check GROUND accessory with charger cable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) if (adc == MAX77843_MUIC_ADC_GROUND) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) if (chg_type == MAX77843_MUIC_CHG_NONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * The following state when charger cable is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) * disconnected but the GROUND accessory still
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * connected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) *attached = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) cable_type = info->prev_chg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) info->prev_chg_type = MAX77843_MUIC_CHG_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) * The following state when charger cable is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * connected on the GROUND accessory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) *attached = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) cable_type = MAX77843_MUIC_CHG_GND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) info->prev_chg_type = MAX77843_MUIC_CHG_GND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) if (adc == MAX77843_MUIC_ADC_RESERVED_ACC_3) { /* SmartDock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) if (chg_type == MAX77843_MUIC_CHG_NONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) *attached = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) cable_type = info->prev_chg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) info->prev_chg_type = MAX77843_MUIC_CHG_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) *attached = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) cable_type = MAX77843_MUIC_CHG_DOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) info->prev_chg_type = MAX77843_MUIC_CHG_DOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (chg_type == MAX77843_MUIC_CHG_NONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) *attached = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) cable_type = info->prev_chg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) info->prev_chg_type = MAX77843_MUIC_CHG_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) *attached = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) cable_type = info->prev_chg_type = chg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) case MAX77843_CABLE_GROUP_ADC_GND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (adc == MAX77843_MUIC_ADC_OPEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) *attached = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) cable_type = info->prev_gnd_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) info->prev_gnd_type = MAX77843_MUIC_ADC_OPEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) *attached = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) * Offset|ADC1K|VBVolt|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) * 0x1| 0| 0| USB-HOST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) * 0x1| 0| 1| USB-HOST with VB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) * 0x1| 1| 0| MHL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) * 0x1| 1| 1| MHL with VB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) /* Get ADC1K register bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) gnd_type = (info->status[MAX77843_MUIC_STATUS1] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) MAX77843_MUIC_STATUS1_ADC1K_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) /* Get VBVolt register bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) gnd_type |= (info->status[MAX77843_MUIC_STATUS2] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) MAX77843_MUIC_STATUS2_VBVOLT_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) gnd_type >>= MAX77843_MUIC_STATUS2_VBVOLT_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) /* Offset of GND cable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) gnd_type |= MAX77843_MUIC_GND_USB_HOST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) cable_type = info->prev_gnd_type = gnd_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) dev_err(info->dev, "Unknown cable group (%d)\n", group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) cable_type = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) return cable_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) static int max77843_muic_adc_gnd_handler(struct max77843_muic_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) int ret, gnd_cable_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) bool attached;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) gnd_cable_type = max77843_muic_get_cable_type(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) MAX77843_CABLE_GROUP_ADC_GND, &attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) dev_dbg(info->dev, "external connector is %s (gnd:0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) attached ? "attached" : "detached", gnd_cable_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) switch (gnd_cable_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) case MAX77843_MUIC_GND_USB_HOST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) case MAX77843_MUIC_GND_USB_HOST_VB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) ret = max77843_muic_set_path(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) MAX77843_MUIC_CONTROL1_SW_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) extcon_set_state_sync(info->edev, EXTCON_USB_HOST, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) max77843_charger_set_otg_vbus(info, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) case MAX77843_MUIC_GND_MHL_VB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) case MAX77843_MUIC_GND_MHL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) ret = max77843_muic_set_path(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) MAX77843_MUIC_CONTROL1_SW_OPEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) extcon_set_state_sync(info->edev, EXTCON_DISP_MHL, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) dev_err(info->dev, "failed to detect %s accessory(gnd:0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) attached ? "attached" : "detached", gnd_cable_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) static int max77843_muic_jig_handler(struct max77843_muic_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) int cable_type, bool attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) u8 path = MAX77843_MUIC_CONTROL1_SW_OPEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) dev_dbg(info->dev, "external connector is %s (adc:0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) attached ? "attached" : "detached", cable_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) switch (cable_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) case MAX77843_MUIC_ADC_FACTORY_MODE_USB_OFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) case MAX77843_MUIC_ADC_FACTORY_MODE_USB_ON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) path = MAX77843_MUIC_CONTROL1_SW_USB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) case MAX77843_MUIC_ADC_FACTORY_MODE_UART_OFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) path = MAX77843_MUIC_CONTROL1_SW_UART;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) ret = max77843_muic_set_path(info, path, attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) extcon_set_state_sync(info->edev, EXTCON_JIG, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) static int max77843_muic_dock_handler(struct max77843_muic_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) bool attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) dev_dbg(info->dev, "external connector is %s (adc: 0x10)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) attached ? "attached" : "detached");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) ret = max77843_muic_set_path(info, MAX77843_MUIC_CONTROL1_SW_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) attached, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) extcon_set_state_sync(info->edev, EXTCON_DISP_MHL, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) extcon_set_state_sync(info->edev, EXTCON_USB_HOST, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) extcon_set_state_sync(info->edev, EXTCON_DOCK, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) static int max77843_muic_adc_handler(struct max77843_muic_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) int ret, cable_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) bool attached;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) cable_type = max77843_muic_get_cable_type(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) MAX77843_CABLE_GROUP_ADC, &attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) dev_dbg(info->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) "external connector is %s (adc:0x%02x, prev_adc:0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) attached ? "attached" : "detached", cable_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) info->prev_cable_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) switch (cable_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) case MAX77843_MUIC_ADC_RESERVED_ACC_3: /* SmartDock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) ret = max77843_muic_dock_handler(info, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) case MAX77843_MUIC_ADC_GROUND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) ret = max77843_muic_adc_gnd_handler(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) case MAX77843_MUIC_ADC_FACTORY_MODE_USB_OFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) case MAX77843_MUIC_ADC_FACTORY_MODE_USB_ON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) case MAX77843_MUIC_ADC_FACTORY_MODE_UART_OFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) ret = max77843_muic_jig_handler(info, cable_type, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) case MAX77843_MUIC_ADC_SEND_END_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) case MAX77843_MUIC_ADC_REMOTE_S1_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) case MAX77843_MUIC_ADC_REMOTE_S2_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) case MAX77843_MUIC_ADC_REMOTE_S3_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) case MAX77843_MUIC_ADC_REMOTE_S4_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) case MAX77843_MUIC_ADC_REMOTE_S5_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) case MAX77843_MUIC_ADC_REMOTE_S6_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) case MAX77843_MUIC_ADC_REMOTE_S7_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) case MAX77843_MUIC_ADC_REMOTE_S8_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) case MAX77843_MUIC_ADC_REMOTE_S9_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) case MAX77843_MUIC_ADC_REMOTE_S10_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) case MAX77843_MUIC_ADC_REMOTE_S11_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) case MAX77843_MUIC_ADC_REMOTE_S12_BUTTON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) case MAX77843_MUIC_ADC_RESERVED_ACC_1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) case MAX77843_MUIC_ADC_RESERVED_ACC_2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) case MAX77843_MUIC_ADC_RESERVED_ACC_4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) case MAX77843_MUIC_ADC_RESERVED_ACC_5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) case MAX77843_MUIC_ADC_AUDIO_DEVICE_TYPE2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) case MAX77843_MUIC_ADC_PHONE_POWERED_DEV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) case MAX77843_MUIC_ADC_TTY_CONVERTER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) case MAX77843_MUIC_ADC_UART_CABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) case MAX77843_MUIC_ADC_CEA936A_TYPE1_CHG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) case MAX77843_MUIC_ADC_AV_CABLE_NOLOAD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) case MAX77843_MUIC_ADC_CEA936A_TYPE2_CHG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) case MAX77843_MUIC_ADC_FACTORY_MODE_UART_ON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) case MAX77843_MUIC_ADC_AUDIO_DEVICE_TYPE1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) case MAX77843_MUIC_ADC_OPEN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) dev_err(info->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) "accessory is %s but it isn't used (adc:0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) attached ? "attached" : "detached", cable_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) dev_err(info->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) "failed to detect %s accessory (adc:0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) attached ? "attached" : "detached", cable_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) static int max77843_muic_chg_handler(struct max77843_muic_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) int ret, chg_type, gnd_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) bool attached;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) chg_type = max77843_muic_get_cable_type(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) MAX77843_CABLE_GROUP_CHG, &attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) dev_dbg(info->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) "external connector is %s(chg_type:0x%x, prev_chg_type:0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) attached ? "attached" : "detached",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) chg_type, info->prev_chg_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) switch (chg_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) case MAX77843_MUIC_CHG_USB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) ret = max77843_muic_set_path(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) MAX77843_MUIC_CONTROL1_SW_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) extcon_set_state_sync(info->edev, EXTCON_USB, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) extcon_set_state_sync(info->edev, EXTCON_CHG_USB_SDP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) case MAX77843_MUIC_CHG_DOWNSTREAM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) ret = max77843_muic_set_path(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) MAX77843_MUIC_CONTROL1_SW_OPEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) extcon_set_state_sync(info->edev, EXTCON_CHG_USB_CDP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) case MAX77843_MUIC_CHG_DEDICATED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) ret = max77843_muic_set_path(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) MAX77843_MUIC_CONTROL1_SW_OPEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) extcon_set_state_sync(info->edev, EXTCON_CHG_USB_DCP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) case MAX77843_MUIC_CHG_SPECIAL_500MA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) ret = max77843_muic_set_path(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) MAX77843_MUIC_CONTROL1_SW_OPEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) extcon_set_state_sync(info->edev, EXTCON_CHG_USB_SLOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) case MAX77843_MUIC_CHG_SPECIAL_1A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) ret = max77843_muic_set_path(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) MAX77843_MUIC_CONTROL1_SW_OPEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) extcon_set_state_sync(info->edev, EXTCON_CHG_USB_FAST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) case MAX77843_MUIC_CHG_GND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) gnd_type = max77843_muic_get_cable_type(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) MAX77843_CABLE_GROUP_ADC_GND, &attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) /* Charger cable on MHL accessory is attach or detach */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) if (gnd_type == MAX77843_MUIC_GND_MHL_VB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) extcon_set_state_sync(info->edev, EXTCON_CHG_USB_DCP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) else if (gnd_type == MAX77843_MUIC_GND_MHL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) extcon_set_state_sync(info->edev, EXTCON_CHG_USB_DCP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) case MAX77843_MUIC_CHG_DOCK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) extcon_set_state_sync(info->edev, EXTCON_CHG_USB_DCP, attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) case MAX77843_MUIC_CHG_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) dev_err(info->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) "failed to detect %s accessory (chg_type:0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) attached ? "attached" : "detached", chg_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) max77843_muic_set_path(info, MAX77843_MUIC_CONTROL1_SW_OPEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) attached, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) static void max77843_muic_irq_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) struct max77843_muic_info *info = container_of(work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) struct max77843_muic_info, irq_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) struct max77693_dev *max77843 = info->max77843;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) mutex_lock(&info->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) ret = regmap_bulk_read(max77843->regmap_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) MAX77843_MUIC_REG_STATUS1, info->status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) MAX77843_MUIC_STATUS_NUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) dev_err(info->dev, "Cannot read STATUS registers\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) mutex_unlock(&info->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) if (info->irq_adc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) ret = max77843_muic_adc_handler(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) dev_err(info->dev, "Unknown cable type\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) info->irq_adc = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) if (info->irq_chg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) ret = max77843_muic_chg_handler(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) dev_err(info->dev, "Unknown charger type\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) info->irq_chg = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) mutex_unlock(&info->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) static irqreturn_t max77843_muic_irq_handler(int irq, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) struct max77843_muic_info *info = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) int i, irq_type = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) for (i = 0; i < ARRAY_SIZE(max77843_muic_irqs); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) if (irq == max77843_muic_irqs[i].virq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) irq_type = max77843_muic_irqs[i].irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) switch (irq_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) case MAX77843_MUIC_IRQ_INT1_ADC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) case MAX77843_MUIC_IRQ_INT1_ADCERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) case MAX77843_MUIC_IRQ_INT1_ADC1K:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) info->irq_adc = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) case MAX77843_MUIC_IRQ_INT2_CHGTYP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) case MAX77843_MUIC_IRQ_INT2_CHGDETRUN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) case MAX77843_MUIC_IRQ_INT2_DCDTMR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) case MAX77843_MUIC_IRQ_INT2_DXOVP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) case MAX77843_MUIC_IRQ_INT2_VBVOLT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) info->irq_chg = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) case MAX77843_MUIC_IRQ_INT3_VBADC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) case MAX77843_MUIC_IRQ_INT3_VDNMON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) case MAX77843_MUIC_IRQ_INT3_DNRES:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) case MAX77843_MUIC_IRQ_INT3_MPNACK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) case MAX77843_MUIC_IRQ_INT3_MRXBUFOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) case MAX77843_MUIC_IRQ_INT3_MRXTRF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) case MAX77843_MUIC_IRQ_INT3_MRXPERR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) case MAX77843_MUIC_IRQ_INT3_MRXRDY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) dev_err(info->dev, "Cannot recognize IRQ(%d)\n", irq_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) schedule_work(&info->irq_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) static void max77843_muic_detect_cable_wq(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) struct max77843_muic_info *info = container_of(to_delayed_work(work),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) struct max77843_muic_info, wq_detcable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) struct max77693_dev *max77843 = info->max77843;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) int chg_type, adc, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) bool attached;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) mutex_lock(&info->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) ret = regmap_bulk_read(max77843->regmap_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) MAX77843_MUIC_REG_STATUS1, info->status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) MAX77843_MUIC_STATUS_NUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) dev_err(info->dev, "Cannot read STATUS registers\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) goto err_cable_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) adc = max77843_muic_get_cable_type(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) MAX77843_CABLE_GROUP_ADC, &attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) if (attached && adc != MAX77843_MUIC_ADC_OPEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) ret = max77843_muic_adc_handler(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) dev_err(info->dev, "Cannot detect accessory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) goto err_cable_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) chg_type = max77843_muic_get_cable_type(info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) MAX77843_CABLE_GROUP_CHG, &attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) if (attached && chg_type != MAX77843_MUIC_CHG_NONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) ret = max77843_muic_chg_handler(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) dev_err(info->dev, "Cannot detect charger accessory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) goto err_cable_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) err_cable_wq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) mutex_unlock(&info->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) static int max77843_muic_set_debounce_time(struct max77843_muic_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) enum max77843_muic_adc_debounce_time time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) struct max77693_dev *max77843 = info->max77843;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) switch (time) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) case MAX77843_DEBOUNCE_TIME_5MS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) case MAX77843_DEBOUNCE_TIME_10MS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) case MAX77843_DEBOUNCE_TIME_25MS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) case MAX77843_DEBOUNCE_TIME_38_62MS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) ret = regmap_update_bits(max77843->regmap_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) MAX77843_MUIC_REG_CONTROL4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) MAX77843_MUIC_CONTROL4_ADCDBSET_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) time << MAX77843_MUIC_CONTROL4_ADCDBSET_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) dev_err(info->dev, "Cannot write MUIC regmap\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) dev_err(info->dev, "Invalid ADC debounce time\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) static int max77843_init_muic_regmap(struct max77693_dev *max77843)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) max77843->i2c_muic = i2c_new_dummy_device(max77843->i2c->adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) I2C_ADDR_MUIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) if (IS_ERR(max77843->i2c_muic)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) dev_err(&max77843->i2c->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) "Cannot allocate I2C device for MUIC\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) return PTR_ERR(max77843->i2c_muic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) i2c_set_clientdata(max77843->i2c_muic, max77843);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) max77843->regmap_muic = devm_regmap_init_i2c(max77843->i2c_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) &max77843_muic_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) if (IS_ERR(max77843->regmap_muic)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) ret = PTR_ERR(max77843->regmap_muic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) goto err_muic_i2c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) ret = regmap_add_irq_chip(max77843->regmap_muic, max77843->irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) 0, &max77843_muic_irq_chip, &max77843->irq_data_muic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) dev_err(&max77843->i2c->dev, "Cannot add MUIC IRQ chip\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) goto err_muic_i2c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) err_muic_i2c:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) i2c_unregister_device(max77843->i2c_muic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) static int max77843_muic_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) struct max77693_dev *max77843 = dev_get_drvdata(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) struct max77843_muic_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) unsigned int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) int cable_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) bool attached;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) info->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) info->max77843 = max77843;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) platform_set_drvdata(pdev, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) mutex_init(&info->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) /* Initialize i2c and regmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) ret = max77843_init_muic_regmap(max77843);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) dev_err(&pdev->dev, "Failed to init MUIC regmap\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) /* Turn off auto detection configuration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) ret = regmap_update_bits(max77843->regmap_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) MAX77843_MUIC_REG_CONTROL4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) MAX77843_MUIC_CONTROL4_USBAUTO_MASK |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) MAX77843_MUIC_CONTROL4_FCTAUTO_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) CONTROL4_AUTO_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) /* Initialize extcon device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) info->edev = devm_extcon_dev_allocate(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) max77843_extcon_cable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) if (IS_ERR(info->edev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) dev_err(&pdev->dev, "Failed to allocate memory for extcon\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) ret = PTR_ERR(info->edev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) goto err_muic_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) ret = devm_extcon_dev_register(&pdev->dev, info->edev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) dev_err(&pdev->dev, "Failed to register extcon device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) goto err_muic_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) /* Set ADC debounce time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) max77843_muic_set_debounce_time(info, MAX77843_DEBOUNCE_TIME_25MS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) /* Set initial path for UART when JIG is connected to get serial logs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) ret = regmap_bulk_read(max77843->regmap_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) MAX77843_MUIC_REG_STATUS1, info->status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) MAX77843_MUIC_STATUS_NUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) dev_err(info->dev, "Cannot read STATUS registers\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) goto err_muic_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) cable_type = max77843_muic_get_cable_type(info, MAX77843_CABLE_GROUP_ADC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) &attached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) if (attached && cable_type == MAX77843_MUIC_ADC_FACTORY_MODE_UART_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) max77843_muic_set_path(info, MAX77843_MUIC_CONTROL1_SW_UART,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) true, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) /* Check revision number of MUIC device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) ret = regmap_read(max77843->regmap_muic, MAX77843_MUIC_REG_ID, &id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) dev_err(&pdev->dev, "Failed to read revision number\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) goto err_muic_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) dev_info(info->dev, "MUIC device ID : 0x%x\n", id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) /* Support virtual irq domain for max77843 MUIC device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) INIT_WORK(&info->irq_work, max77843_muic_irq_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) /* Clear IRQ bits before request IRQs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) ret = regmap_bulk_read(max77843->regmap_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) MAX77843_MUIC_REG_INT1, info->status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) MAX77843_MUIC_STATUS_NUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) dev_err(&pdev->dev, "Failed to Clear IRQ bits\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) goto err_muic_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) for (i = 0; i < ARRAY_SIZE(max77843_muic_irqs); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) struct max77843_muic_irq *muic_irq = &max77843_muic_irqs[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) int virq = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) virq = regmap_irq_get_virq(max77843->irq_data_muic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) muic_irq->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) if (virq <= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) goto err_muic_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) muic_irq->virq = virq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) ret = devm_request_threaded_irq(&pdev->dev, virq, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) max77843_muic_irq_handler, IRQF_NO_SUSPEND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) muic_irq->name, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) "Failed to request irq (IRQ: %d, error: %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) muic_irq->irq, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) goto err_muic_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) /* Detect accessory after completing the initialization of platform */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) INIT_DELAYED_WORK(&info->wq_detcable, max77843_muic_detect_cable_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) queue_delayed_work(system_power_efficient_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) &info->wq_detcable, msecs_to_jiffies(DELAY_MS_DEFAULT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) err_muic_irq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) regmap_del_irq_chip(max77843->irq, max77843->irq_data_muic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) i2c_unregister_device(max77843->i2c_muic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) static int max77843_muic_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) struct max77843_muic_info *info = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) struct max77693_dev *max77843 = info->max77843;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) cancel_work_sync(&info->irq_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) regmap_del_irq_chip(max77843->irq, max77843->irq_data_muic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) i2c_unregister_device(max77843->i2c_muic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) static const struct platform_device_id max77843_muic_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) { "max77843-muic", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) { /* sentinel */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) MODULE_DEVICE_TABLE(platform, max77843_muic_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) static struct platform_driver max77843_muic_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) .name = "max77843-muic",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) .probe = max77843_muic_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) .remove = max77843_muic_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) .id_table = max77843_muic_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) static int __init max77843_muic_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) return platform_driver_register(&max77843_muic_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) subsys_initcall(max77843_muic_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) MODULE_DESCRIPTION("Maxim MAX77843 Extcon driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@samsung.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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