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authorPavan Holla <pholla@chromium.org>2024-12-31 13:10:46 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-01-03 11:14:17 +0100
commit401d07d530bfaf7131d6ab9acd32ff12b9a6ddf1 (patch)
treea22d2a72ad64e3f2c7a672919df93bc5b212af7a
parent533561a8aad566a5e2d50f9f069feadc682931f7 (diff)
platform/chrome: Update ChromeOS EC header for UCSI
Add EC host commands for reading and writing UCSI structures in the EC. The corresponding kernel driver is cros-ec-ucsi. Also update PD events supported by the EC. Acked-by: Tzung-Bi Shih <tzungbi@kernel.org> Signed-off-by: Pavan Holla <pholla@chromium.org> Signed-off-by: Ɓukasz Bartosik <ukaszb@chromium.org> Link: https://lore.kernel.org/r/20241231131047.1757434-2-ukaszb@chromium.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--include/linux/platform_data/cros_ec_commands.h28
1 files changed, 27 insertions, 1 deletions
diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h
index b3c4993e656e..ecf290a0c98f 100644
--- a/include/linux/platform_data/cros_ec_commands.h
+++ b/include/linux/platform_data/cros_ec_commands.h
@@ -5044,8 +5044,11 @@ struct ec_response_pd_status {
#define PD_EVENT_POWER_CHANGE BIT(1)
#define PD_EVENT_IDENTITY_RECEIVED BIT(2)
#define PD_EVENT_DATA_SWAP BIT(3)
+#define PD_EVENT_TYPEC BIT(4)
+#define PD_EVENT_PPM BIT(5)
+
struct ec_response_host_event_status {
- uint32_t status; /* PD MCU host event status */
+ uint32_t status; /* PD MCU host event status */
} __ec_align4;
/* Set USB type-C port role and muxes */
@@ -6105,6 +6108,29 @@ struct ec_response_typec_vdm_response {
#undef VDO_MAX_SIZE
+/*
+ * UCSI OPM-PPM commands
+ *
+ * These commands are used for communication between OPM and PPM.
+ * Only UCSI3.0 is tested.
+ */
+
+#define EC_CMD_UCSI_PPM_SET 0x0140
+
+/* The data size is stored in the host command protocol header. */
+struct ec_params_ucsi_ppm_set {
+ uint16_t offset;
+ uint8_t data[];
+} __ec_align2;
+
+#define EC_CMD_UCSI_PPM_GET 0x0141
+
+/* For 'GET' sub-commands, data will be returned as a raw payload. */
+struct ec_params_ucsi_ppm_get {
+ uint16_t offset;
+ uint8_t size;
+} __ec_align2;
+
/*****************************************************************************/
/* The command range 0x200-0x2FF is reserved for Rotor. */