1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
|
/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "charger.h"
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "driver/charger/isl9241.h"
#include "driver/retimer/ps8802.h"
#include "driver/retimer/ps8818.h"
#include "driver/retimer/tusb544.h"
#include "driver/tcpm/nct38xx.h"
#include "driver/usb_mux/amd_fp5.h"
#include "fan.h"
#include "fan_chip.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "ioexpander.h"
#include "timer.h"
#include "usb_mux.h"
#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ## args)
const struct i2c_port_t i2c_ports[] = {
{
.name = "tcpc0",
.port = I2C_PORT_TCPC0,
.kbps = 400,
.scl = GPIO_EC_I2C_USB_A0_C0_SCL,
.sda = GPIO_EC_I2C_USB_A0_C0_SDA,
},
{
.name = "tcpc1",
.port = I2C_PORT_TCPC1,
.kbps = 400,
.scl = GPIO_EC_I2C_USB_A1_C1_SCL,
.sda = GPIO_EC_I2C_USB_A1_C1_SDA,
},
{
.name = "battery",
.port = I2C_PORT_BATTERY,
.kbps = 100,
.scl = GPIO_EC_I2C_BATT_SCL,
.sda = GPIO_EC_I2C_BATT_SDA,
},
{
.name = "ap_mux",
.port = I2C_PORT_USB_AP_MUX,
.kbps = 400,
.scl = GPIO_EC_I2C_USBC_AP_MUX_SCL,
.sda = GPIO_EC_I2C_USBC_AP_MUX_SDA,
},
{
.name = "therm_chg",
.port = I2C_PORT_THERMAL_AP,
.kbps = 400,
.scl = GPIO_FCH_SIC_POWER_SCL,
.sda = GPIO_FCH_SID_POWER_SDA,
},
{
.name = "sensor",
.port = I2C_PORT_SENSOR,
.kbps = 400,
.scl = GPIO_EC_I2C_SENSOR_CBI_SCL,
.sda = GPIO_EC_I2C_SENSOR_CBI_SDA,
},
{
.name = "ap_audio",
.port = I2C_PORT_AP_AUDIO,
.kbps = 400,
.scl = GPIO_FCH_I2C_AUDIO_SCL,
.sda = GPIO_FCH_I2C_AUDIO_SDA,
},
{
.name = "ap_hdmi",
.port = I2C_PORT_AP_HDMI,
.kbps = 400,
.scl = GPIO_FCH_I2C_HDMI_HUB_3V3_SCL,
.sda = GPIO_FCH_I2C_HDMI_HUB_3V3_SDA,
},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/*****************************************************************************
* Charger
*/
struct charger_config_t chg_chips[] = {
{
.i2c_port = I2C_PORT_CHARGER_V1,
.i2c_addr_flags = ISL9241_ADDR_FLAGS,
.drv = &isl9241_drv,
},
};
const unsigned int chg_cnt = ARRAY_SIZE(chg_chips);
/*
* If the charger is found on the V0 I2C port then re-map the port.
* Use HOOK_PRIO_INIT_I2C so we re-map before charger_chips_init()
* talks to the charger. This relies on the V1 HW not using the ISL9241 address
* on the V0 I2C port.
* TODO(b/155214765): Remove this check once V0 HW is no longer used.
*/
static void check_v0_charger(void)
{
int id;
if (i2c_read16(I2C_PORT_CHARGER_V0, ISL9241_ADDR_FLAGS,
ISL9241_REG_MANUFACTURER_ID, &id) == EC_SUCCESS) {
ccprints("V0 charger HW detected");
chg_chips[0].i2c_port = I2C_PORT_CHARGER_V0;
}
}
DECLARE_HOOK(HOOK_INIT, check_v0_charger, HOOK_PRIO_INIT_I2C);
/*****************************************************************************
* TCPC
*/
void baseboard_tcpc_init(void)
{
/* Enable PPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_PPC_FAULT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_PPC_INT_ODL);
/* Enable TCPC interrupts. */
gpio_enable_interrupt(GPIO_USB_C0_TCPC_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_TCPC_INT_ODL);
/* Enable BC 1.2 interrupts */
gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_ODL);
gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_ODL);
/* Enable HPD interrupts */
ioex_enable_interrupt(IOEX_HDMI_CONN_HPD_3V3_DB);
}
DECLARE_HOOK(HOOK_INIT, baseboard_tcpc_init, HOOK_PRIO_INIT_I2C + 1);
/*****************************************************************************
* IO expander
*/
struct ioexpander_config_t ioex_config[] = {
[USBC_PORT_C0] = {
.i2c_host_port = I2C_PORT_TCPC0,
.i2c_slave_addr = NCT38XX_I2C_ADDR1_1_FLAGS,
.drv = &nct38xx_ioexpander_drv,
},
[USBC_PORT_C1] = {
.i2c_host_port = I2C_PORT_TCPC1,
.i2c_slave_addr = NCT38XX_I2C_ADDR1_1_FLAGS,
.drv = &nct38xx_ioexpander_drv,
},
};
BUILD_ASSERT(ARRAY_SIZE(ioex_config) == USBC_PORT_COUNT);
BUILD_ASSERT(CONFIG_IO_EXPANDER_PORT_COUNT == USBC_PORT_COUNT);
/*****************************************************************************
* USB-A Power
*/
const int usb_port_enable[USBA_PORT_COUNT] = {
IOEX_EN_USB_A0_5V,
IOEX_EN_USB_A1_5V_DB,
};
/*****************************************************************************
* Custom Zork USB-C1 Retimer/MUX driver
*/
/*
* PS8802 set mux board tuning.
* Adds in board specific gain and DP lane count configuration
*/
static int board_ps8802_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
int rv = EC_SUCCESS;
/* Make sure the PS8802 is awake */
rv = ps8802_i2c_wake(me);
if (rv)
return rv;
/* USB specific config */
if (mux_state & USB_PD_MUX_USB_ENABLED) {
/* Boost the USB gain */
rv = ps8802_i2c_field_update16(me,
PS8802_REG_PAGE2,
PS8802_REG2_USB_SSEQ_LEVEL,
PS8802_USBEQ_LEVEL_UP_MASK,
PS8802_USBEQ_LEVEL_UP_19DB);
if (rv)
return rv;
}
/* DP specific config */
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Boost the DP gain */
rv = ps8802_i2c_field_update8(me,
PS8802_REG_PAGE2,
PS8802_REG2_DPEQ_LEVEL,
PS8802_DPEQ_LEVEL_UP_MASK,
PS8802_DPEQ_LEVEL_UP_19DB);
if (rv)
return rv;
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
} else {
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
}
return rv;
}
/*
* PS8818 set mux board tuning.
* Adds in board specific gain and DP lane count configuration
*/
static int board_ps8818_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
int rv = EC_SUCCESS;
/* USB specific config */
if (mux_state & USB_PD_MUX_USB_ENABLED) {
/* Boost the USB gain */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX1EQ_10G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX2EQ_10G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX1EQ_5G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX2EQ_5G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
}
/* DP specific config */
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Boost the DP gain */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_DPEQ_LEVEL,
PS8818_DPEQ_LEVEL_UP_MASK,
PS8818_DPEQ_LEVEL_UP_19DB);
if (rv)
return rv;
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
} else {
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
}
return rv;
}
const struct usb_mux usbc1_ps8802 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8802_I2C_ADDR_FLAGS,
.driver = &ps8802_usb_mux_driver,
.board_set = &board_ps8802_mux_set,
};
const struct usb_mux usbc1_ps8818 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8818_I2C_ADDR_FLAGS,
.driver = &ps8818_usb_retimer_driver,
.board_set = &board_ps8818_mux_set,
};
struct usb_mux usbc1_amd_fp5_usb_mux = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_USB_AP_MUX,
.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
.driver = &amd_fp5_usb_mux_driver,
};
|
