blob: 45fbbc6f65f61e539e7f7d3d0297b513ad0ceddd (
plain)
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
|
/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Intel-RVP family-specific configuration */
#include "console.h"
#include "gpio/gpio_int.h"
#include "hooks.h"
#include "include/gpio.h"
#include "intelrvp.h"
#include "ioexpander.h"
#include "system.h"
#include "tcpm/tcpci.h"
#include "usbc_ppc.h"
#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ##args)
#define CPRINTS(format, args...) cprints(CC_USBPD, format, ##args)
void tcpc_alert_event(enum gpio_signal signal)
{
int i;
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
/* No alerts for embedded TCPC */
if (tcpc_config[i].bus_type == EC_BUS_TYPE_EMBEDDED) {
continue;
}
if (signal == tcpc_aic_gpios[i].tcpc_alert) {
schedule_deferred_pd_interrupt(i);
break;
}
}
}
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
int i;
/* Check which port has the ALERT line set */
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
/* No alerts for embdeded TCPC */
if (tcpc_config[i].bus_type == EC_BUS_TYPE_EMBEDDED) {
continue;
}
if (!gpio_get_level(tcpc_aic_gpios[i].tcpc_alert)) {
status |= PD_STATUS_TCPC_ALERT_0 << i;
}
}
return status;
}
int ppc_get_alert_status(int port)
{
return tcpc_aic_gpios[port].ppc_intr_handler &&
!gpio_get_level(tcpc_aic_gpios[port].ppc_alert);
}
/* PPC support routines */
void ppc_interrupt(enum gpio_signal signal)
{
int i;
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
if (tcpc_aic_gpios[i].ppc_intr_handler &&
signal == tcpc_aic_gpios[i].ppc_alert) {
tcpc_aic_gpios[i].ppc_intr_handler(i);
break;
}
}
}
void board_charging_enable(int port, int enable)
{
int rv;
if (tcpc_aic_gpios[port].ppc_intr_handler) {
rv = ppc_vbus_sink_enable(port, enable);
} else {
rv = tcpc_config[port].drv->set_snk_ctrl(port, enable);
}
if (rv) {
CPRINTS("C%d: sink path %s failed", port,
enable ? "en" : "dis");
}
}
|