We can't use bit fields with data that is received or send
to/from the device.
Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
---
drivers/usb/typec/ucsi/trace.h | 12 ++---
drivers/usb/typec/ucsi/ucsi.c | 52 +++++++++++--------
drivers/usb/typec/ucsi/ucsi.h | 93 +++++++++++++++++-----------------
3 files changed, 85 insertions(+), 72 deletions(-)
diff --git a/drivers/usb/typec/ucsi/trace.h b/drivers/usb/typec/ucsi/trace.h
index 2262229dae8e..a0d3a934d3d9 100644
--- a/drivers/usb/typec/ucsi/trace.h
+++ b/drivers/usb/typec/ucsi/trace.h
@@ -56,13 +56,13 @@ DECLARE_EVENT_CLASS(ucsi_log_connector_status,
TP_fast_assign(
__entry->port = port - 1;
__entry->change = status->change;
- __entry->opmode = status->pwr_op_mode;
- __entry->connected = status->connected;
- __entry->pwr_dir = status->pwr_dir;
- __entry->partner_flags = status->partner_flags;
- __entry->partner_type = status->partner_type;
+ __entry->opmode = UCSI_CONSTAT_PWR_OPMODE(status->flags);
+ __entry->connected = !!(status->flags & UCSI_CONSTAT_CONNECTED);
+ __entry->pwr_dir = !!(status->flags & UCSI_CONSTAT_PWR_DIR);
+ __entry->partner_flags = UCSI_CONSTAT_PARTNER_FLAGS(status->flags);
+ __entry->partner_type = UCSI_CONSTAT_PARTNER_TYPE(status->flags);
__entry->request_data_obj = status->request_data_obj;
- __entry->bc_status = status->bc_status;
+ __entry->bc_status = UCSI_CONSTAT_BC_STATUS(status->pwr_status);
),
TP_printk("port%d status: change=%04x, opmode=%x, connected=%d, "
"sourcing=%d, partner_flags=%x, partner_type=%x, "
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 6fd4ff46d728..accf54d987ad 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -393,7 +393,7 @@ static void ucsi_unregister_altmodes(struct ucsi_connector *con, u8 recipient)
static void ucsi_pwr_opmode_change(struct ucsi_connector *con)
{
- switch (con->status.pwr_op_mode) {
+ switch (UCSI_CONSTAT_PWR_OPMODE(con->status.flags)) {
case UCSI_CONSTAT_PWR_OPMODE_PD:
typec_set_pwr_opmode(con->port, TYPEC_PWR_MODE_PD);
break;
@@ -411,6 +411,7 @@ static void ucsi_pwr_opmode_change(struct ucsi_connector *con)
static int ucsi_register_partner(struct ucsi_connector *con)
{
+ u8 pwr_opmode = UCSI_CONSTAT_PWR_OPMODE(con->status.flags);
struct typec_partner_desc desc;
struct typec_partner *partner;
@@ -419,7 +420,7 @@ static int ucsi_register_partner(struct ucsi_connector *con)
memset(&desc, 0, sizeof(desc));
- switch (con->status.partner_type) {
+ switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
case UCSI_CONSTAT_PARTNER_TYPE_DEBUG:
desc.accessory = TYPEC_ACCESSORY_DEBUG;
break;
@@ -430,7 +431,7 @@ static int ucsi_register_partner(struct ucsi_connector *con)
break;
}
- desc.usb_pd = con->status.pwr_op_mode == UCSI_CONSTAT_PWR_OPMODE_PD;
+ desc.usb_pd = pwr_opmode == UCSI_CONSTAT_PWR_OPMODE_PD;
partner = typec_register_partner(con->port, &desc);
if (IS_ERR(partner)) {
@@ -462,7 +463,7 @@ static void ucsi_partner_change(struct ucsi_connector *con)
if (!con->partner)
return;
- switch (con->status.partner_type) {
+ switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
case UCSI_CONSTAT_PARTNER_TYPE_UFP:
typec_set_data_role(con->port, TYPEC_HOST);
break;
@@ -492,6 +493,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
struct ucsi_connector *con = container_of(work, struct ucsi_connector,
work);
struct ucsi *ucsi = con->ucsi;
+ enum typec_role role;
u64 command;
int ret;
@@ -506,11 +508,13 @@ static void ucsi_handle_connector_change(struct work_struct *work)
goto out_unlock;
}
+ role = !!(con->status.flags & UCSI_CONSTAT_PWR_DIR);
+
if (con->status.change & UCSI_CONSTAT_POWER_OPMODE_CHANGE)
ucsi_pwr_opmode_change(con);
if (con->status.change & UCSI_CONSTAT_POWER_DIR_CHANGE) {
- typec_set_pwr_role(con->port, con->status.pwr_dir);
+ typec_set_pwr_role(con->port, role);
/* Complete pending power role swap */
if (!completion_done(&con->complete))
@@ -518,9 +522,9 @@ static void ucsi_handle_connector_change(struct work_struct *work)
}
if (con->status.change & UCSI_CONSTAT_CONNECT_CHANGE) {
- typec_set_pwr_role(con->port, con->status.pwr_dir);
+ typec_set_pwr_role(con->port, role);
- switch (con->status.partner_type) {
+ switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
case UCSI_CONSTAT_PARTNER_TYPE_UFP:
typec_set_data_role(con->port, TYPEC_HOST);
break;
@@ -531,7 +535,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
break;
}
- if (con->status.connected)
+ if (con->status.flags & UCSI_CONSTAT_CONNECTED)
ucsi_register_partner(con);
else
ucsi_unregister_partner(con);
@@ -650,6 +654,7 @@ static int ucsi_role_cmd(struct ucsi_connector *con, u64 command)
static int ucsi_dr_swap(struct typec_port *port, enum typec_data_role role)
{
struct ucsi_connector *con = typec_get_drvdata(port);
+ u8 partner_type;
u64 command;
int ret = 0;
@@ -660,9 +665,10 @@ static int ucsi_dr_swap(struct typec_port *port, enum typec_data_role role)
goto out_unlock;
}
- if ((con->status.partner_type == UCSI_CONSTAT_PARTNER_TYPE_DFP &&
+ partner_type = UCSI_CONSTAT_PARTNER_TYPE(con->status.flags);
+ if ((partner_type == UCSI_CONSTAT_PARTNER_TYPE_DFP &&
role == TYPEC_DEVICE) ||
- (con->status.partner_type == UCSI_CONSTAT_PARTNER_TYPE_UFP &&
+ (partner_type == UCSI_CONSTAT_PARTNER_TYPE_UFP &&
role == TYPEC_HOST))
goto out_unlock;
@@ -686,6 +692,7 @@ static int ucsi_dr_swap(struct typec_port *port, enum typec_data_role role)
static int ucsi_pr_swap(struct typec_port *port, enum typec_role role)
{
struct ucsi_connector *con = typec_get_drvdata(port);
+ enum typec_role cur_role;
u64 command;
int ret = 0;
@@ -696,7 +703,9 @@ static int ucsi_pr_swap(struct typec_port *port, enum typec_role role)
goto out_unlock;
}
- if (con->status.pwr_dir == role)
+ cur_role = !!(con->status.flags & UCSI_CONSTAT_PWR_DIR);
+
+ if (cur_role == role)
goto out_unlock;
command = UCSI_SET_PDR | UCSI_CONNECTOR_NUMBER(con->num);
@@ -713,7 +722,8 @@ static int ucsi_pr_swap(struct typec_port *port, enum typec_role role)
}
/* Something has gone wrong while swapping the role */
- if (con->status.pwr_op_mode != UCSI_CONSTAT_PWR_OPMODE_PD) {
+ if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) !=
+ UCSI_CONSTAT_PWR_OPMODE_PD) {
ucsi_reset_connector(con, true);
ret = -EPROTO;
}
@@ -768,11 +778,12 @@ static int ucsi_register_port(struct ucsi *ucsi, int index)
else if (con->cap.op_mode & UCSI_CONCAP_OPMODE_UFP)
cap->data = TYPEC_PORT_UFP;
- if (con->cap.provider && con->cap.consumer)
+ if ((con->cap.flags & UCSI_CONCAP_FLAG_PROVIDER) &&
+ (con->cap.flags & UCSI_CONCAP_FLAG_CONSUMER))
cap->type = TYPEC_PORT_DRP;
- else if (con->cap.provider)
+ else if (con->cap.flags & UCSI_CONCAP_FLAG_PROVIDER)
cap->type = TYPEC_PORT_SRC;
- else if (con->cap.consumer)
+ else if (con->cap.flags & UCSI_CONCAP_FLAG_CONSUMER)
cap->type = TYPEC_PORT_SNK;
cap->revision = ucsi->cap.typec_version;
@@ -808,10 +819,7 @@ static int ucsi_register_port(struct ucsi *ucsi, int index)
return 0;
}
- ucsi_pwr_opmode_change(con);
- typec_set_pwr_role(con->port, con->status.pwr_dir);
-
- switch (con->status.partner_type) {
+ switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
case UCSI_CONSTAT_PARTNER_TYPE_UFP:
typec_set_data_role(con->port, TYPEC_HOST);
break;
@@ -823,8 +831,12 @@ static int ucsi_register_port(struct ucsi *ucsi, int index)
}
/* Check if there is already something connected */
- if (con->status.connected)
+ if (con->status.flags & UCSI_CONSTAT_CONNECTED) {
+ typec_set_pwr_role(con->port,
+ !!(con->status.flags & UCSI_CONSTAT_PWR_DIR));
+ ucsi_pwr_opmode_change(con);
ucsi_register_partner(con);
+ }
if (con->partner) {
ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP);
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 55ce41dd77f9..31d88f835f92 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -144,8 +144,8 @@ struct ucsi_capability {
#define UCSI_CAP_ATTR_POWER_AC_SUPPLY BIT(8)
#define UCSI_CAP_ATTR_POWER_OTHER BIT(10)
#define UCSI_CAP_ATTR_POWER_VBUS BIT(14)
- u32 num_connectors:8;
- u32 features:24;
+ u8 num_connectors;
+ u8 features;
#define UCSI_CAP_SET_UOM BIT(0)
#define UCSI_CAP_SET_PDM BIT(1)
#define UCSI_CAP_ALT_MODE_DETAILS BIT(2)
@@ -154,8 +154,9 @@ struct ucsi_capability {
#define UCSI_CAP_CABLE_DETAILS BIT(5)
#define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6)
#define UCSI_CAP_PD_RESET BIT(7)
+ u16 reserved_1;
u8 num_alt_modes;
- u8 reserved;
+ u8 reserved_2;
u16 bc_version;
u16 pd_version;
u16 typec_version;
@@ -172,9 +173,9 @@ struct ucsi_connector_capability {
#define UCSI_CONCAP_OPMODE_USB2 BIT(5)
#define UCSI_CONCAP_OPMODE_USB3 BIT(6)
#define UCSI_CONCAP_OPMODE_ALT_MODE BIT(7)
- u8 provider:1;
- u8 consumer:1;
- u8:6; /* reserved */
+ u8 flags;
+#define UCSI_CONCAP_FLAG_PROVIDER BIT(0)
+#define UCSI_CONCAP_FLAG_CONSUMER BIT(1)
} __packed;
struct ucsi_altmode {
@@ -186,18 +187,17 @@ struct ucsi_altmode {
struct ucsi_cable_property {
u16 speed_supported;
u8 current_capability;
- u8 vbus_in_cable:1;
- u8 active_cable:1;
- u8 directionality:1;
- u8 plug_type:2;
-#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
-#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
-#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
-#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
- u8 mode_support:1;
- u8:2; /* reserved */
- u8 latency:4;
- u8:4; /* reserved */
+ u8 flags;
+#define UCSI_CABLE_PROP_FLAG_VBUS_IN_CABLE BIT(0)
+#define UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE BIT(1)
+#define UCSI_CABLE_PROP_FLAG_DIRECTIONALITY BIT(2)
+#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) ((_f_) & GENMASK(3, 0))
+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
+#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
+#define UCSI_CABLE_PROP_MODE_SUPPORT BIT(5)
+ u8 latency;
} __packed;
/* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */
@@ -214,35 +214,36 @@ struct ucsi_connector_status {
#define UCSI_CONSTAT_POWER_DIR_CHANGE BIT(12)
#define UCSI_CONSTAT_CONNECT_CHANGE BIT(14)
#define UCSI_CONSTAT_ERROR BIT(15)
- u16 pwr_op_mode:3;
-#define UCSI_CONSTAT_PWR_OPMODE_NONE 0
-#define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1
-#define UCSI_CONSTAT_PWR_OPMODE_BC 2
-#define UCSI_CONSTAT_PWR_OPMODE_PD 3
-#define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_5 4
-#define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5
- u16 connected:1;
- u16 pwr_dir:1;
- u16 partner_flags:8;
-#define UCSI_CONSTAT_PARTNER_FLAG_USB BIT(0)
-#define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE BIT(1)
- u16 partner_type:3;
-#define UCSI_CONSTAT_PARTNER_TYPE_DFP 1
-#define UCSI_CONSTAT_PARTNER_TYPE_UFP 2
-#define UCSI_CONSTAT_PARTNER_TYPE_CABLE 3 /* Powered Cable */
-#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */
-#define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5
-#define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6
+ u16 flags;
+#define UCSI_CONSTAT_PWR_OPMODE(_f_) ((_f_) & GENMASK(2, 0))
+#define UCSI_CONSTAT_PWR_OPMODE_NONE 0
+#define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1
+#define UCSI_CONSTAT_PWR_OPMODE_BC 2
+#define UCSI_CONSTAT_PWR_OPMODE_PD 3
+#define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_5 4
+#define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5
+#define UCSI_CONSTAT_CONNECTED BIT(3)
+#define UCSI_CONSTAT_PWR_DIR BIT(4)
+#define UCSI_CONSTAT_PARTNER_FLAGS(_f_) ((_f_) & GENMASK(12, 5) >> 5)
+#define UCSI_CONSTAT_PARTNER_FLAG_USB 1
+#define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE 2
+#define UCSI_CONSTAT_PARTNER_TYPE(_f_) ((_f_) & GENMASK(15, 13) >> 13)
+#define UCSI_CONSTAT_PARTNER_TYPE_DFP 1
+#define UCSI_CONSTAT_PARTNER_TYPE_UFP 2
+#define UCSI_CONSTAT_PARTNER_TYPE_CABLE 3 /* Powered Cable */
+#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */
+#define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5
+#define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6
u32 request_data_obj;
- u8 bc_status:2;
-#define UCSI_CONSTAT_BC_NOT_CHARGING 0
-#define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1
-#define UCSI_CONSTAT_BC_SLOW_CHARGING 2
-#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
- u8 provider_cap_limit_reason:4;
-#define UCSI_CONSTAT_CAP_PWR_LOWERED 0
-#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
- u8:2; /* reserved */
+ u8 pwr_status;
+#define UCSI_CONSTAT_BC_STATUS(_p_) ((_p_) & GENMASK(2, 0))
+#define UCSI_CONSTAT_BC_NOT_CHARGING 0
+#define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1
+#define UCSI_CONSTAT_BC_SLOW_CHARGING 2
+#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
+#define UCSI_CONSTAT_PROVIDER_CAP_LIMIT(_p_) ((_p_) & GENMASK(6, 3) >> 3)
+#define UCSI_CONSTAT_CAP_PWR_LOWERED 0
+#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
} __packed;
/* -------------------------------------------------------------------------- */
--
2.23.0
