ec/google: Sync ec_commands.h

This change syncs the coreboot version of google ec_commands.h with the
ec_commands.h from the google ec repository. This is a straight copy
except for the the copyright header.

BUG=b:184074997
TEST=Build and boot guybrush
BRANCH=None

Change-Id: I095c3316d720328cb7b8dd1b72ffc108208b14bd
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55911
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

src/ec/google/chromeec/ec_commands.h

@@ -9,10 +9,6 @@
 #include <stdint.h>
 #endif
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #ifdef CHROMIUM_EC
 /*
  * CHROMIUM_EC is defined by the Makefile system of Chromium EC repository.
@@ -70,6 +66,10 @@ extern "C" {
 
 #endif  /* __KERNEL__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * Current version of this protocol
  *
@@ -422,6 +422,50 @@ extern "C" {
  */
 #define EC_ACPI_MEM_USB_PORT_POWER 0x13
 
+/*
+ * USB Retimer firmware update.
+ * Read:
+ *      Result of last operation AP requested
+ * Write:
+ *      bits[3:0]: USB-C port number
+ *      bits[7:4]: Operation requested by AP
+ *
+ * NDA (no device attached) case:
+ * To update retimer firmware, AP needs set up TBT Alt mode.
+ * AP requests operations in this sequence:
+ * 1. Get port information about which ports support retimer firmware update.
+ * In the query result, each bit represents one port.
+ * 2. Get current MUX mode, it's NDA.
+ * 3. Suspend specified PD port's task.
+ * 4. AP requests EC to enter USB mode -> enter Safe mode -> enter TBT mode ->
+ * update firmware -> disconnect MUX -> resume PD task.
+ *
+ * DA (device attached) cases:
+ * Retimer firmware update is not supported in DA cases.
+ * 1. Get port information about which ports support retimer firmware update
+ * 2. Get current MUX mode, it's DA.
+ * 3. AP continues. No more retimer firmware update activities.
+ *
+ */
+#define EC_ACPI_MEM_USB_RETIMER_FW_UPDATE 0x14
+
+#define USB_RETIMER_FW_UPDATE_OP_SHIFT 4
+#define USB_RETIMER_FW_UPDATE_ERR         0xfe
+#define USB_RETIMER_FW_UPDATE_INVALID_MUX 0xff
+/* Retimer firmware update operations */
+#define USB_RETIMER_FW_UPDATE_QUERY_PORT 0 /* Which ports has retimer */
+#define USB_RETIMER_FW_UPDATE_SUSPEND_PD 1 /* Suspend PD port */
+#define USB_RETIMER_FW_UPDATE_RESUME_PD  2 /* Resume PD port  */
+#define USB_RETIMER_FW_UPDATE_GET_MUX    3 /* Read current USB MUX  */
+#define USB_RETIMER_FW_UPDATE_SET_USB    4 /* Set MUX to USB mode   */
+#define USB_RETIMER_FW_UPDATE_SET_SAFE   5 /* Set MUX to Safe mode  */
+#define USB_RETIMER_FW_UPDATE_SET_TBT    6 /* Set MUX to TBT mode   */
+#define USB_RETIMER_FW_UPDATE_DISCONNECT 7 /* Set MUX to disconnect */
+
+#define EC_ACPI_MEM_USB_RETIMER_PORT(x)   ((x) & 0x0f)
+#define EC_ACPI_MEM_USB_RETIMER_OP(x) \
+	(((x) & 0xf0) >> USB_RETIMER_FW_UPDATE_OP_SHIFT)
+
 /*
  * ACPI addresses 0x20 - 0xff map to EC_MEMMAP offset 0x00 - 0xdf.  This data
  * is read-only from the AP.  Added in EC_ACPI_MEM_VERSION 2.
@@ -592,13 +636,13 @@ enum ec_status {
 BUILD_ASSERT(sizeof(enum ec_status) == sizeof(uint16_t));
 
 /*
- * Host event codes.  Note these are 1-based, not 0-based, because ACPI query
+ * Host event codes. ACPI query EC command uses code 0 to mean "no event
- * EC command uses code 0 to mean "no event pending".  We explicitly specify
+ * pending".  We explicitly specify each value in the enum listing so they won't
- * each value in the enum listing so they won't change if we delete/insert an
+ * change if we delete/insert an item or rearrange the list (it needs to be
- * item or rearrange the list (it needs to be stable across platforms, not
+ * stable across platforms, not just within a single compiled instance).
- * just within a single compiled instance).
  */
 enum host_event_code {
+	EC_HOST_EVENT_NONE = 0,
 	EC_HOST_EVENT_LID_CLOSED = 1,
 	EC_HOST_EVENT_LID_OPEN = 2,
 	EC_HOST_EVENT_POWER_BUTTON = 3,
@@ -1772,7 +1816,15 @@ struct ec_response_flash_region_info {
 	uint32_t size;
 } __ec_align4;
 
-/* Read/write VbNvContext */
+/*
+ * Read/write VbNvContext
+ *
+ * Deprecated as of February 2021.  No current devices use VBNV in EC
+ * BBRAM anymore, so this is guaranteed to fail.
+ *
+ * TODO(b/178689388): remove from this header once no external
+ * dependencies reference these constants.
+ */
 #define EC_CMD_VBNV_CONTEXT 0x0017
 #define EC_VER_VBNV_CONTEXT 1
 #define EC_VBNV_BLOCK_SIZE 16
@@ -2617,6 +2669,7 @@ enum motionsensor_chip {
 	MOTIONSENSE_CHIP_LIS2DS = 23,
 	MOTIONSENSE_CHIP_BMI260 = 24,
 	MOTIONSENSE_CHIP_ICM426XX = 25,
+	MOTIONSENSE_CHIP_ICM42607 = 26,
 	MOTIONSENSE_CHIP_MAX,
 };
 
@@ -2715,6 +2768,8 @@ struct ec_motion_sense_activity {
 #define MOTIONSENSE_SENSOR_FLAG_TABLET_MODE BIT(3)
 #define MOTIONSENSE_SENSOR_FLAG_ODR BIT(4)
 
+#define MOTIONSENSE_SENSOR_FLAG_BYPASS_FIFO BIT(7)
+
 /*
  * Send this value for the data element to only perform a read. If you
  * send any other value, the EC will interpret it as data to set and will
@@ -3732,6 +3787,9 @@ enum ec_mkbp_event {
 	/* New online calibration values are available. */
 	EC_MKBP_EVENT_ONLINE_CALIBRATION = 11,
 
+	/* Peripheral device charger event */
+	EC_MKBP_EVENT_PCHG = 12,
+
 	/* Number of MKBP events */
 	EC_MKBP_EVENT_COUNT,
 };
@@ -4375,7 +4433,7 @@ struct ec_response_power_info_v1 {
 #define EC_I2C_STATUS_ERROR	(EC_I2C_STATUS_NAK | EC_I2C_STATUS_TIMEOUT)
 
 struct ec_params_i2c_passthru_msg {
-	uint16_t addr_flags;	/* I2C slave address and flags */
+	uint16_t addr_flags;	/* I2C peripheral address and flags */
 	uint16_t len;		/* Number of bytes to read or write */
 } __ec_align2;
 
@@ -5837,6 +5895,7 @@ enum cbi_data_tag {
 	CBI_TAG_PCB_SUPPLIER = 7,  /* uint32_t or smaller */
 	/* Second Source Factory Cache */
 	CBI_TAG_SSFC = 8,          /* uint32_t bit field */
+	CBI_TAG_REWORK_ID = 9,     /* uint64_t or smaller */
 	CBI_TAG_COUNT,
 };
 
@@ -6588,6 +6647,7 @@ enum tcpc_cc_polarity {
 
 #define PD_STATUS_EVENT_SOP_DISC_DONE		BIT(0)
 #define PD_STATUS_EVENT_SOP_PRIME_DISC_DONE	BIT(1)
+#define PD_STATUS_EVENT_HARD_RESET		BIT(2)
 
 /*
  * Encode and decode for BCD revision response
@@ -6743,6 +6803,11 @@ struct ec_response_pchg {
 	uint32_t error;			/* enum pchg_error */
 	uint8_t state;			/* enum pchg_state state */
 	uint8_t battery_percentage;
+	uint8_t unused0;
+	uint8_t unused1;
+	/* Fields added in version 1 */
+	uint32_t fw_version;
+	uint32_t dropped_event_count;
 } __ec_align2;
 
 enum pchg_state {
@@ -6752,10 +6817,20 @@ enum pchg_state {
 	PCHG_STATE_INITIALIZED,
 	/* Charger is enabled and ready to detect a device. */
 	PCHG_STATE_ENABLED,
-	/* Device is detected in proximity. */
+	/* Device is in proximity. */
 	PCHG_STATE_DETECTED,
 	/* Device is being charged. */
 	PCHG_STATE_CHARGING,
+	/* Device is fully charged. It implies DETECTED (& not charging). */
+	PCHG_STATE_FULL,
+	/* In download (a.k.a. firmware update) mode */
+	PCHG_STATE_DOWNLOAD,
+	/* In download mode. Ready for receiving data. */
+	PCHG_STATE_DOWNLOADING,
+	/* Device is ready for data communication. */
+	PCHG_STATE_CONNECTED,
+	/* Put no more entry below */
+	PCHG_STATE_COUNT,
 };
 
 #define EC_PCHG_STATE_TEXT { \
@@ -6764,8 +6839,93 @@ enum pchg_state {
 	[PCHG_STATE_ENABLED] = "ENABLED", \
 	[PCHG_STATE_DETECTED] = "DETECTED", \
 	[PCHG_STATE_CHARGING] = "CHARGING", \
+	[PCHG_STATE_FULL] = "FULL", \
+	[PCHG_STATE_DOWNLOAD] = "DOWNLOAD", \
+	[PCHG_STATE_DOWNLOADING] = "DOWNLOADING", \
+	[PCHG_STATE_CONNECTED] = "CONNECTED", \
 	}
 
+/**
+ * Update firmware of peripheral chip
+ */
+#define EC_CMD_PCHG_UPDATE 0x0136
+
+/* Port number is encoded in bit[28:31]. */
+#define EC_MKBP_PCHG_PORT_SHIFT		28
+/* Utility macro for converting MKBP event to port number. */
+#define EC_MKBP_PCHG_EVENT_TO_PORT(e)	(((e) >> EC_MKBP_PCHG_PORT_SHIFT) & 0xf)
+/* Utility macro for extracting event bits. */
+#define EC_MKBP_PCHG_EVENT_MASK(e)	((e) \
+					& GENMASK(EC_MKBP_PCHG_PORT_SHIFT-1, 0))
+
+#define EC_MKBP_PCHG_UPDATE_OPENED	BIT(0)
+#define EC_MKBP_PCHG_WRITE_COMPLETE	BIT(1)
+#define EC_MKBP_PCHG_UPDATE_CLOSED	BIT(2)
+#define EC_MKBP_PCHG_UPDATE_ERROR	BIT(3)
+
+enum ec_pchg_update_cmd {
+	/* Reset chip to normal mode. */
+	EC_PCHG_UPDATE_CMD_RESET_TO_NORMAL = 0,
+	/* Reset and put a chip in update (a.k.a. download) mode. */
+	EC_PCHG_UPDATE_CMD_OPEN,
+	/* Write a block of data containing FW image. */
+	EC_PCHG_UPDATE_CMD_WRITE,
+	/* Close update session. */
+	EC_PCHG_UPDATE_CMD_CLOSE,
+	/* End of commands */
+	EC_PCHG_UPDATE_CMD_COUNT,
+};
+
+struct ec_params_pchg_update {
+	/* PCHG port number */
+	uint8_t port;
+	/* enum ec_pchg_update_cmd */
+	uint8_t cmd;
+	/* Padding */
+	uint8_t reserved0;
+	uint8_t reserved1;
+	/* Version of new firmware */
+	uint32_t version;
+	/* CRC32 of new firmware */
+	uint32_t crc32;
+	/* Address in chip memory where <data> is written to */
+	uint32_t addr;
+	/* Size of <data> */
+	uint32_t size;
+	/* Partial data of new firmware */
+	uint8_t data[];
+} __ec_align4;
+
+BUILD_ASSERT(EC_PCHG_UPDATE_CMD_COUNT
+	     < BIT(sizeof(((struct ec_params_pchg_update *)0)->cmd)*8));
+
+struct ec_response_pchg_update {
+	/* Block size */
+	uint32_t block_size;
+} __ec_align4;
+
+
+#define EC_CMD_DISPLAY_SOC 0x0137
+
+struct ec_response_display_soc {
+	int16_t display_soc;  /* Display charge in 10ths of a % (1000=100.0%) */
+	int16_t full_factor;  /* Full factor in 10ths of a % (1000=100.0%) */
+	int16_t shutdown_soc; /* Shutdown SoC in 10ths of a % (1000=100.0%) */
+} __ec_align2;
+
+
+#define EC_CMD_SET_BASE_STATE 0x0138
+
+struct ec_params_set_base_state {
+	uint8_t cmd;  /* enum ec_set_base_state_cmd */
+} __ec_align1;
+
+enum ec_set_base_state_cmd {
+	EC_SET_BASE_STATE_DETACH = 0,
+	EC_SET_BASE_STATE_ATTACH,
+	EC_SET_BASE_STATE_RESET,
+};
+
 /*****************************************************************************/
 /* The command range 0x200-0x2FF is reserved for Rotor. */
 
@@ -7168,7 +7328,7 @@ struct ec_response_battery_dynamic_info {
 } __ec_align2;
 
 /*
- * Control charger chip. Used to control charger chip on the slave.
+ * Control charger chip. Used to control charger chip on the peripheral.
  */
 #define EC_CMD_CHARGER_CONTROL 0x0602