summaryrefslogtreecommitdiff
path: root/drivers/platform/chrome
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/chrome')
-rw-r--r--drivers/platform/chrome/cros_ec_typec.c49
1 files changed, 43 insertions, 6 deletions
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 2fac95e7a455..0811562deecc 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -756,7 +756,7 @@ static void cros_typec_parse_pd_identity(struct usb_pd_identity *id,
id->vdo[i - 3] = disc->discovery_vdo[i];
}
-static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int port_num)
+static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int port_num, u16 pd_revision)
{
struct cros_typec_port *port = typec->ports[port_num];
struct ec_response_typec_discovery *disc = port->disc_data;
@@ -802,6 +802,7 @@ static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int p
}
c_desc.identity = &port->c_identity;
+ c_desc.pd_revision = pd_revision;
port->cable = typec_register_cable(port->port, &c_desc);
if (IS_ERR(port->cable)) {
@@ -831,7 +832,7 @@ sop_prime_disc_exit:
return ret;
}
-static int cros_typec_handle_sop_disc(struct cros_typec_data *typec, int port_num)
+static int cros_typec_handle_sop_disc(struct cros_typec_data *typec, int port_num, u16 pd_revision)
{
struct cros_typec_port *port = typec->ports[port_num];
struct ec_response_typec_discovery *sop_disc = port->disc_data;
@@ -849,6 +850,8 @@ static int cros_typec_handle_sop_disc(struct cros_typec_data *typec, int port_nu
goto disc_exit;
}
+ typec_partner_set_pd_revision(port->partner, pd_revision);
+
memset(sop_disc, 0, EC_PROTO2_MAX_RESPONSE_SIZE);
ret = cros_typec_ec_command(typec, 0, EC_CMD_TYPEC_DISCOVERY, &req, sizeof(req),
sop_disc, EC_PROTO2_MAX_RESPONSE_SIZE);
@@ -875,6 +878,18 @@ disc_exit:
return ret;
}
+static int cros_typec_send_clear_event(struct cros_typec_data *typec, int port_num, u32 events_mask)
+{
+ struct ec_params_typec_control req = {
+ .port = port_num,
+ .command = TYPEC_CONTROL_COMMAND_CLEAR_EVENTS,
+ .clear_events_mask = events_mask,
+ };
+
+ return cros_typec_ec_command(typec, 0, EC_CMD_TYPEC_CONTROL, &req,
+ sizeof(req), NULL, 0);
+}
+
static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num)
{
struct ec_response_typec_status resp;
@@ -892,20 +907,42 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num
/* Handle any events appropriately. */
if (resp.events & PD_STATUS_EVENT_SOP_DISC_DONE && !typec->ports[port_num]->sop_disc_done) {
- ret = cros_typec_handle_sop_disc(typec, port_num);
+ u16 sop_revision;
+
+ /* Convert BCD to the format preferred by the TypeC framework */
+ sop_revision = (le16_to_cpu(resp.sop_revision) & 0xff00) >> 4;
+ ret = cros_typec_handle_sop_disc(typec, port_num, sop_revision);
if (ret < 0)
dev_err(typec->dev, "Couldn't parse SOP Disc data, port: %d\n", port_num);
- else
+ else {
typec->ports[port_num]->sop_disc_done = true;
+ ret = cros_typec_send_clear_event(typec, port_num,
+ PD_STATUS_EVENT_SOP_DISC_DONE);
+ if (ret < 0)
+ dev_warn(typec->dev,
+ "Failed SOP Disc event clear, port: %d\n", port_num);
+ }
+ if (resp.sop_connected)
+ typec_set_pwr_opmode(typec->ports[port_num]->port, TYPEC_PWR_MODE_PD);
}
if (resp.events & PD_STATUS_EVENT_SOP_PRIME_DISC_DONE &&
!typec->ports[port_num]->sop_prime_disc_done) {
- ret = cros_typec_handle_sop_prime_disc(typec, port_num);
+ u16 sop_prime_revision;
+
+ /* Convert BCD to the format preferred by the TypeC framework */
+ sop_prime_revision = (le16_to_cpu(resp.sop_prime_revision) & 0xff00) >> 4;
+ ret = cros_typec_handle_sop_prime_disc(typec, port_num, sop_prime_revision);
if (ret < 0)
dev_err(typec->dev, "Couldn't parse SOP' Disc data, port: %d\n", port_num);
- else
+ else {
typec->ports[port_num]->sop_prime_disc_done = true;
+ ret = cros_typec_send_clear_event(typec, port_num,
+ PD_STATUS_EVENT_SOP_PRIME_DISC_DONE);
+ if (ret < 0)
+ dev_warn(typec->dev,
+ "Failed SOP Disc event clear, port: %d\n", port_num);
+ }
}
}