1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4  * Copyright (c) 2023, Linaro Ltd. All rights reserved.
5  */
6 #ifndef __QCOM_PMIC_TYPEC_H__
7 #define __QCOM_PMIC_TYPEC_H__
8 
9 #include <linux/platform_device.h>
10 #include <linux/usb/tcpm.h>
11 
12 #define TYPEC_SNK_STATUS_REG				0x06
13 #define DETECTED_SNK_TYPE_MASK				GENMASK(6, 0)
14 #define SNK_DAM_MASK					GENMASK(6, 4)
15 #define SNK_DAM_500MA					BIT(6)
16 #define SNK_DAM_1500MA					BIT(5)
17 #define SNK_DAM_3000MA					BIT(4)
18 #define SNK_RP_STD					BIT(3)
19 #define SNK_RP_1P5					BIT(2)
20 #define SNK_RP_3P0					BIT(1)
21 #define SNK_RP_SHORT					BIT(0)
22 
23 #define TYPEC_SRC_STATUS_REG				0x08
24 #define DETECTED_SRC_TYPE_MASK				GENMASK(4, 0)
25 #define SRC_HIGH_BATT					BIT(5)
26 #define SRC_DEBUG_ACCESS				BIT(4)
27 #define SRC_RD_OPEN					BIT(3)
28 #define SRC_RD_RA_VCONN					BIT(2)
29 #define SRC_RA_OPEN					BIT(1)
30 #define AUDIO_ACCESS_RA_RA				BIT(0)
31 
32 #define TYPEC_STATE_MACHINE_STATUS_REG			0x09
33 #define TYPEC_ATTACH_DETACH_STATE			BIT(5)
34 
35 #define TYPEC_SM_STATUS_REG				0x0A
36 #define TYPEC_SM_VBUS_VSAFE5V				BIT(5)
37 #define TYPEC_SM_VBUS_VSAFE0V				BIT(6)
38 #define TYPEC_SM_USBIN_LT_LV				BIT(7)
39 
40 #define TYPEC_MISC_STATUS_REG				0x0B
41 #define TYPEC_WATER_DETECTION_STATUS			BIT(7)
42 #define SNK_SRC_MODE					BIT(6)
43 #define TYPEC_VBUS_DETECT				BIT(5)
44 #define TYPEC_VBUS_ERROR_STATUS				BIT(4)
45 #define TYPEC_DEBOUNCE_DONE				BIT(3)
46 #define CC_ORIENTATION					BIT(1)
47 #define CC_ATTACHED					BIT(0)
48 
49 #define LEGACY_CABLE_STATUS_REG				0x0D
50 #define TYPEC_LEGACY_CABLE_STATUS			BIT(1)
51 #define TYPEC_NONCOMP_LEGACY_CABLE_STATUS		BIT(0)
52 
53 #define TYPEC_U_USB_STATUS_REG				0x0F
54 #define U_USB_GROUND_NOVBUS				BIT(6)
55 #define U_USB_GROUND					BIT(4)
56 #define U_USB_FMB1					BIT(3)
57 #define U_USB_FLOAT1					BIT(2)
58 #define U_USB_FMB2					BIT(1)
59 #define U_USB_FLOAT2					BIT(0)
60 
61 #define TYPEC_MODE_CFG_REG				0x44
62 #define TYPEC_TRY_MODE_MASK				GENMASK(4, 3)
63 #define EN_TRY_SNK					BIT(4)
64 #define EN_TRY_SRC					BIT(3)
65 #define TYPEC_POWER_ROLE_CMD_MASK			GENMASK(2, 0)
66 #define EN_SRC_ONLY					BIT(2)
67 #define EN_SNK_ONLY					BIT(1)
68 #define TYPEC_DISABLE_CMD				BIT(0)
69 
70 #define TYPEC_VCONN_CONTROL_REG				0x46
71 #define VCONN_EN_ORIENTATION				BIT(2)
72 #define VCONN_EN_VALUE					BIT(1)
73 #define VCONN_EN_SRC					BIT(0)
74 
75 #define TYPEC_CCOUT_CONTROL_REG				0x48
76 #define TYPEC_CCOUT_BUFFER_EN				BIT(2)
77 #define TYPEC_CCOUT_VALUE				BIT(1)
78 #define TYPEC_CCOUT_SRC					BIT(0)
79 
80 #define DEBUG_ACCESS_SRC_CFG_REG			0x4C
81 #define EN_UNORIENTED_DEBUG_ACCESS_SRC			BIT(0)
82 
83 #define TYPE_C_CRUDE_SENSOR_CFG_REG			0x4e
84 #define EN_SRC_CRUDE_SENSOR				BIT(1)
85 #define EN_SNK_CRUDE_SENSOR				BIT(0)
86 
87 #define TYPEC_EXIT_STATE_CFG_REG			0x50
88 #define BYPASS_VSAFE0V_DURING_ROLE_SWAP			BIT(3)
89 #define SEL_SRC_UPPER_REF				BIT(2)
90 #define USE_TPD_FOR_EXITING_ATTACHSRC			BIT(1)
91 #define EXIT_SNK_BASED_ON_CC				BIT(0)
92 
93 #define TYPEC_CURRSRC_CFG_REG				0x52
94 #define TYPEC_SRC_RP_SEL_330UA				BIT(1)
95 #define TYPEC_SRC_RP_SEL_180UA				BIT(0)
96 #define TYPEC_SRC_RP_SEL_80UA				0
97 #define TYPEC_SRC_RP_SEL_MASK				GENMASK(1, 0)
98 
99 #define TYPEC_INTERRUPT_EN_CFG_1_REG			0x5E
100 #define TYPEC_LEGACY_CABLE_INT_EN			BIT(7)
101 #define TYPEC_NONCOMPLIANT_LEGACY_CABLE_INT_EN		BIT(6)
102 #define TYPEC_TRYSOURCE_DETECT_INT_EN			BIT(5)
103 #define TYPEC_TRYSINK_DETECT_INT_EN			BIT(4)
104 #define TYPEC_CCOUT_DETACH_INT_EN			BIT(3)
105 #define TYPEC_CCOUT_ATTACH_INT_EN			BIT(2)
106 #define TYPEC_VBUS_DEASSERT_INT_EN			BIT(1)
107 #define TYPEC_VBUS_ASSERT_INT_EN			BIT(0)
108 
109 #define TYPEC_INTERRUPT_EN_CFG_2_REG			0x60
110 #define TYPEC_SRC_BATT_HPWR_INT_EN			BIT(6)
111 #define MICRO_USB_STATE_CHANGE_INT_EN			BIT(5)
112 #define TYPEC_STATE_MACHINE_CHANGE_INT_EN		BIT(4)
113 #define TYPEC_DEBUG_ACCESS_DETECT_INT_EN		BIT(3)
114 #define TYPEC_WATER_DETECTION_INT_EN			BIT(2)
115 #define TYPEC_VBUS_ERROR_INT_EN				BIT(1)
116 #define TYPEC_DEBOUNCE_DONE_INT_EN			BIT(0)
117 
118 #define TYPEC_DEBOUNCE_OPTION_REG			0x62
119 #define REDUCE_TCCDEBOUNCE_TO_2MS			BIT(2)
120 
121 #define TYPE_C_SBU_CFG_REG				0x6A
122 #define SEL_SBU1_ISRC_VAL				0x04
123 #define SEL_SBU2_ISRC_VAL				0x01
124 
125 #define TYPEC_U_USB_CFG_REG				0x70
126 #define EN_MICRO_USB_FACTORY_MODE			BIT(1)
127 #define EN_MICRO_USB_MODE				BIT(0)
128 
129 #define TYPEC_PMI632_U_USB_WATER_PROTECTION_CFG_REG	0x72
130 
131 #define TYPEC_U_USB_WATER_PROTECTION_CFG_REG		0x73
132 #define EN_MICRO_USB_WATER_PROTECTION			BIT(4)
133 #define MICRO_USB_DETECTION_ON_TIME_CFG_MASK		GENMASK(3, 2)
134 #define MICRO_USB_DETECTION_PERIOD_CFG_MASK		GENMASK(1, 0)
135 
136 #define TYPEC_PMI632_MICRO_USB_MODE_REG			0x73
137 #define MICRO_USB_MODE_ONLY				BIT(0)
138 
139 /* Interrupt numbers */
140 #define PMIC_TYPEC_OR_RID_IRQ				0x0
141 #define PMIC_TYPEC_VPD_IRQ				0x1
142 #define PMIC_TYPEC_CC_STATE_IRQ				0x2
143 #define PMIC_TYPEC_VCONN_OC_IRQ				0x3
144 #define PMIC_TYPEC_VBUS_IRQ				0x4
145 #define PMIC_TYPEC_ATTACH_DETACH_IRQ			0x5
146 #define PMIC_TYPEC_LEGACY_CABLE_IRQ			0x6
147 #define PMIC_TYPEC_TRY_SNK_SRC_IRQ			0x7
148 
149 /* Resources */
150 #define PMIC_TYPEC_MAX_IRQS				0x08
151 
152 struct pmic_typec_port_irq_params {
153 	int				virq;
154 	char				*irq_name;
155 };
156 
157 struct pmic_typec_port_resources {
158 	unsigned int				nr_irqs;
159 	struct pmic_typec_port_irq_params	irq_params[PMIC_TYPEC_MAX_IRQS];
160 };
161 
162 /* API */
163 struct pmic_typec;
164 
165 struct pmic_typec_port *qcom_pmic_typec_port_alloc(struct device *dev);
166 
167 int qcom_pmic_typec_port_probe(struct platform_device *pdev,
168 			       struct pmic_typec_port *pmic_typec_port,
169 			       struct pmic_typec_port_resources *res,
170 			       struct regmap *regmap,
171 			       u32 base);
172 
173 int qcom_pmic_typec_port_start(struct pmic_typec_port *pmic_typec_port,
174 			       struct tcpm_port *tcpm_port);
175 
176 void qcom_pmic_typec_port_stop(struct pmic_typec_port *pmic_typec_port);
177 
178 int qcom_pmic_typec_port_get_cc(struct pmic_typec_port *pmic_typec_port,
179 				enum typec_cc_status *cc1,
180 				enum typec_cc_status *cc2);
181 
182 int qcom_pmic_typec_port_set_cc(struct pmic_typec_port *pmic_typec_port,
183 				enum typec_cc_status cc);
184 
185 int qcom_pmic_typec_port_get_vbus(struct pmic_typec_port *pmic_typec_port);
186 
187 int qcom_pmic_typec_port_set_vconn(struct pmic_typec_port *pmic_typec_port, bool on);
188 
189 int qcom_pmic_typec_port_start_toggling(struct pmic_typec_port *pmic_typec_port,
190 					enum typec_port_type port_type,
191 					enum typec_cc_status cc);
192 
193 int qcom_pmic_typec_port_set_vbus(struct pmic_typec_port *pmic_typec_port, bool on);
194 
195 #endif /* __QCOM_PMIC_TYPE_C_PORT_H__ */
196