From 667471b8d807da5a5a9277db47e069ad3b1351c7 Mon Sep 17 00:00:00 2001 From: Won Chung Date: Mon, 15 Nov 2021 21:19:51 +0000 Subject: ec/google/chromeec: Add PLD to EC conn in ACPI table Given EC CON and associated USB port objects, custom_pld or pld_group information is retrieved from port and added to ACPI table as _PLD field for typec connector. BUG=b:202446737 TEST=emerge-brya coreboot & SSDT dump in Brya test device Signed-off-by: Won Chung Change-Id: Ibc56ecd4e8954ffaace3acd9528a064b5fa2cf6f Reviewed-on: https://review.coreboot.org/c/coreboot/+/59401 Tested-by: build bot (Jenkins) Reviewed-by: Tim Wawrzynczak --- src/ec/google/chromeec/ec_acpi.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'src/ec/google/chromeec') diff --git a/src/ec/google/chromeec/ec_acpi.c b/src/ec/google/chromeec/ec_acpi.c index 059836485f..4fcc679d70 100644 --- a/src/ec/google/chromeec/ec_acpi.c +++ b/src/ec/google/chromeec/ec_acpi.c @@ -2,6 +2,7 @@ #include #include +#include #include #include #include @@ -117,6 +118,27 @@ static void add_port_location(struct acpi_dp *dsd, int port_number) acpi_dp_add_string(dsd, "port-location", port_location_to_str(port_caps.port_location)); } +static void get_pld_from_usb_ports(struct acpi_pld *pld, + struct device *usb2_port, struct device *usb3_port, + struct device *usb4_port) +{ + struct drivers_usb_acpi_config *config = NULL; + + if (usb4_port) + config = usb4_port->chip_info; + else if (usb3_port) + config = usb3_port->chip_info; + else if (usb2_port) + config = usb2_port->chip_info; + + if (config) { + if (config->use_custom_pld) + *pld = config->custom_pld; + else + acpi_pld_fill_usb(pld, config->type, &config->group); + } +} + static void fill_ssdt_typec_device(const struct device *dev) { struct ec_google_chromeec_config *config = dev->chip_info; @@ -126,6 +148,7 @@ static void fill_ssdt_typec_device(const struct device *dev) struct device *usb2_port; struct device *usb3_port; struct device *usb4_port; + struct acpi_pld pld = {0}; if (google_chromeec_get_num_pd_ports(&num_ports)) return; @@ -146,6 +169,8 @@ static void fill_ssdt_typec_device(const struct device *dev) usb4_port = NULL; get_usb_port_references(i, &usb2_port, &usb3_port, &usb4_port); + get_pld_from_usb_ports(&pld, usb2_port, usb3_port, usb4_port); + struct typec_connector_class_config typec_config = { .power_role = port_caps.power_role_cap, .try_power_role = port_caps.try_power_role_cap, @@ -156,6 +181,7 @@ static void fill_ssdt_typec_device(const struct device *dev) .orientation_switch = config->mux_conn[i], .usb_role_switch = config->mux_conn[i], .mode_switch = config->mux_conn[i], + .pld = &pld, }; acpigen_write_typec_connector(&typec_config, i, add_port_location); -- cgit v1.2.3