diff options
Diffstat (limited to 'src/ec')
| -rw-r--r-- | src/ec/google/chromeec/ec_commands.h | 692 |
1 files changed, 524 insertions, 168 deletions
diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h index 725a652146..d4c0bc4996 100644 --- a/src/ec/google/chromeec/ec_commands.h +++ b/src/ec/google/chromeec/ec_commands.h @@ -92,8 +92,14 @@ /* Unused 0x91 */ #define EC_MEMMAP_ACC_DATA 0x92 /* Accelerometer data 0x92 - 0x9f */ #define EC_MEMMAP_GYRO_DATA 0xa0 /* Gyroscope data 0xa0 - 0xa5 */ -/* Unused 0xa6 - 0xfe (remember, 0xff is NOT part of the memmap region) */ +/* Unused 0xa6 - 0xdf */ +/* + * ACPI is unable to access memory mapped data at or above this offset due to + * limitations of the ACPI protocol. Do not place data in the range 0xe0 - 0xfe + * which might be needed by ACPI. + */ +#define EC_MEMMAP_NO_ACPI 0xe0 /* Define the format of the accelerometer mapped memory status byte. */ #define EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK 0x0f @@ -167,6 +173,146 @@ #define EC_WIRELESS_SWITCH_WWAN 0x04 /* WWAN power */ #define EC_WIRELESS_SWITCH_WLAN_POWER 0x08 /* WLAN power */ +/*****************************************************************************/ +/* + * ACPI commands + * + * These are valid ONLY on the ACPI command/data port. + */ + +/* + * ACPI Read Embedded Controller + * + * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*). + * + * Use the following sequence: + * + * - Write EC_CMD_ACPI_READ to EC_LPC_ADDR_ACPI_CMD + * - Wait for EC_LPC_CMDR_PENDING bit to clear + * - Write address to EC_LPC_ADDR_ACPI_DATA + * - Wait for EC_LPC_CMDR_DATA bit to set + * - Read value from EC_LPC_ADDR_ACPI_DATA + */ +#define EC_CMD_ACPI_READ 0x80 + +/* + * ACPI Write Embedded Controller + * + * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*). + * + * Use the following sequence: + * + * - Write EC_CMD_ACPI_WRITE to EC_LPC_ADDR_ACPI_CMD + * - Wait for EC_LPC_CMDR_PENDING bit to clear + * - Write address to EC_LPC_ADDR_ACPI_DATA + * - Wait for EC_LPC_CMDR_PENDING bit to clear + * - Write value to EC_LPC_ADDR_ACPI_DATA + */ +#define EC_CMD_ACPI_WRITE 0x81 + +/* + * ACPI Burst Enable Embedded Controller + * + * This enables burst mode on the EC to allow the host to issue several + * commands back-to-back. While in this mode, writes to mapped multi-byte + * data are locked out to ensure data consistency. + */ +#define EC_CMD_ACPI_BURST_ENABLE 0x82 + +/* + * ACPI Burst Disable Embedded Controller + * + * This disables burst mode on the EC and stops preventing EC writes to mapped + * multi-byte data. + */ +#define EC_CMD_ACPI_BURST_DISABLE 0x83 + +/* + * ACPI Query Embedded Controller + * + * This clears the lowest-order bit in the currently pending host events, and + * sets the result code to the 1-based index of the bit (event 0x00000001 = 1, + * event 0x80000000 = 32), or 0 if no event was pending. + */ +#define EC_CMD_ACPI_QUERY_EVENT 0x84 + +/* Valid addresses in ACPI memory space, for read/write commands */ + +/* Memory space version; set to EC_ACPI_MEM_VERSION_CURRENT */ +#define EC_ACPI_MEM_VERSION 0x00 +/* + * Test location; writing value here updates test compliment byte to (0xff - + * value). + */ +#define EC_ACPI_MEM_TEST 0x01 +/* Test compliment; writes here are ignored. */ +#define EC_ACPI_MEM_TEST_COMPLIMENT 0x02 + +/* Keyboard backlight brightness percent (0 - 100) */ +#define EC_ACPI_MEM_KEYBOARD_BACKLIGHT 0x03 +/* DPTF Target Fan Duty (0-100, 0xff for auto/none) */ +#define EC_ACPI_MEM_FAN_DUTY 0x04 + +/* + * DPTF temp thresholds. Any of the EC's temp sensors can have up to two + * independent thresholds attached to them. The current value of the ID + * register determines which sensor is affected by the THRESHOLD and COMMIT + * registers. The THRESHOLD register uses the same EC_TEMP_SENSOR_OFFSET scheme + * as the memory-mapped sensors. The COMMIT register applies those settings. + * + * The spec does not mandate any way to read back the threshold settings + * themselves, but when a threshold is crossed the AP needs a way to determine + * which sensor(s) are responsible. Each reading of the ID register clears and + * returns one sensor ID that has crossed one of its threshold (in either + * direction) since the last read. A value of 0xFF means "no new thresholds + * have tripped". Setting or enabling the thresholds for a sensor will clear + * the unread event count for that sensor. + */ +#define EC_ACPI_MEM_TEMP_ID 0x05 +#define EC_ACPI_MEM_TEMP_THRESHOLD 0x06 +#define EC_ACPI_MEM_TEMP_COMMIT 0x07 +/* + * Here are the bits for the COMMIT register: + * bit 0 selects the threshold index for the chosen sensor (0/1) + * bit 1 enables/disables the selected threshold (0 = off, 1 = on) + * Each write to the commit register affects one threshold. + */ +#define EC_ACPI_MEM_TEMP_COMMIT_SELECT_MASK (1 << 0) +#define EC_ACPI_MEM_TEMP_COMMIT_ENABLE_MASK (1 << 1) +/* + * Example: + * + * Set the thresholds for sensor 2 to 50 C and 60 C: + * write 2 to [0x05] -- select temp sensor 2 + * write 0x7b to [0x06] -- C_TO_K(50) - EC_TEMP_SENSOR_OFFSET + * write 0x2 to [0x07] -- enable threshold 0 with this value + * write 0x85 to [0x06] -- C_TO_K(60) - EC_TEMP_SENSOR_OFFSET + * write 0x3 to [0x07] -- enable threshold 1 with this value + * + * Disable the 60 C threshold, leaving the 50 C threshold unchanged: + * write 2 to [0x05] -- select temp sensor 2 + * write 0x1 to [0x07] -- disable threshold 1 + */ + +/* DPTF battery charging current limit */ +#define EC_ACPI_MEM_CHARGING_LIMIT 0x08 + +/* Charging limit is specified in 64 mA steps */ +#define EC_ACPI_MEM_CHARGING_LIMIT_STEP_MA 64 +/* Value to disable DPTF battery charging limit */ +#define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff + +/* + * 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. + */ +#define EC_ACPI_MEM_MAPPED_BEGIN 0x20 +#define EC_ACPI_MEM_MAPPED_SIZE 0xe0 + +/* Current version of ACPI memory address space */ +#define EC_ACPI_MEM_VERSION_CURRENT 2 + + /* * This header file is used in coreboot both in C and ACPI code. The ACPI code * is pre-processed to handle constants but the ASL compiler is unable to @@ -191,7 +337,7 @@ #define EC_LPC_STATUS_PROCESSING 0x04 /* Last write to EC was a command, not data */ #define EC_LPC_STATUS_LAST_CMD 0x08 -/* EC is in burst mode. Unsupported by Chrome EC, so this bit is never set */ +/* EC is in burst mode */ #define EC_LPC_STATUS_BURST_MODE 0x10 /* SCI event is pending (requesting SCI query) */ #define EC_LPC_STATUS_SCI_PENDING 0x20 @@ -224,7 +370,8 @@ enum ec_status { EC_RES_INVALID_HEADER = 12, /* Header contains invalid data */ EC_RES_REQUEST_TRUNCATED = 13, /* Didn't get the entire request */ EC_RES_RESPONSE_TOO_BIG = 14, /* Response was too big to handle */ - EC_RES_BUS_ERROR = 15 /* Communications bus error */ + EC_RES_BUS_ERROR = 15, /* Communications bus error */ + EC_RES_BUSY = 16 /* Up but too busy. Should retry */ }; /* @@ -278,7 +425,7 @@ enum host_event_code { /* Battery Status flags have changed */ EC_HOST_EVENT_BATTERY_STATUS = 23, - /* EC encountered a panic, triggering an reset */ + /* EC encountered a panic, triggering a reset */ EC_HOST_EVENT_PANIC = 24, /* @@ -620,6 +767,10 @@ struct ec_params_get_cmd_versions { uint8_t cmd; /* Command to check */ } __packed; +struct ec_params_get_cmd_versions_v1 { + uint16_t cmd; /* Command to check */ +} __packed; + struct ec_response_get_cmd_versions { /* * Mask of supported versions; use EC_VER_MASK() to compare with a @@ -833,7 +984,7 @@ struct ec_params_flash_erase { * re-requesting the desired flags, or by a hard reset if that fails. */ #define EC_FLASH_PROTECT_ERROR_INCONSISTENT (1 << 5) -/* Entile flash code protected when the EC boots */ +/* Entire flash code protected when the EC boots */ #define EC_FLASH_PROTECT_ALL_AT_BOOT (1 << 6) struct ec_params_flash_protect { @@ -918,10 +1069,17 @@ struct ec_response_pwm_get_fan_rpm { /* Set target fan RPM */ #define EC_CMD_PWM_SET_FAN_TARGET_RPM 0x21 -struct ec_params_pwm_set_fan_target_rpm { +/* Version 0 of input params */ +struct ec_params_pwm_set_fan_target_rpm_v0 { uint32_t rpm; } __packed; +/* Version 1 of input params */ +struct ec_params_pwm_set_fan_target_rpm_v1 { + uint32_t rpm; + uint8_t fan_idx; +} __packed; + /* Get keyboard backlight */ #define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x22 @@ -940,8 +1098,15 @@ struct ec_params_pwm_set_keyboard_backlight { /* Set target fan PWM duty cycle */ #define EC_CMD_PWM_SET_FAN_DUTY 0x24 -struct ec_params_pwm_set_fan_duty { +/* Version 0 of input params */ +struct ec_params_pwm_set_fan_duty_v0 { + uint32_t percent; +} __packed; + +/* Version 1 of input params */ +struct ec_params_pwm_set_fan_duty_v1 { uint32_t percent; + uint8_t fan_idx; } __packed; /*****************************************************************************/ @@ -1006,7 +1171,10 @@ struct lightbar_params_v1 { int32_t s3_sleep_for; int32_t s3_ramp_up; int32_t s3_ramp_down; + int32_t s5_ramp_up; + int32_t s5_ramp_down; int32_t tap_tick_delay; + int32_t tap_gate_delay; int32_t tap_display_time; /* Tap-for-battery params */ @@ -1034,15 +1202,18 @@ struct lightbar_params_v1 { uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */ uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */ + /* s5: single color pulse on inhibited power-up */ + uint8_t s5_idx; + /* Color palette */ struct rgb_s color[8]; /* 0-3 are Google colors */ } __packed; /* Lightbyte program. */ -#define LB_PROG_LEN 192 -struct lb_program { +#define EC_LB_PROG_LEN 192 +struct lightbar_program { uint8_t size; - uint8_t data[LB_PROG_LEN]; + uint8_t data[EC_LB_PROG_LEN]; }; struct ec_params_lightbar { @@ -1051,7 +1222,7 @@ struct ec_params_lightbar { struct { /* no args */ } dump, off, on, init, get_seq, get_params_v0, get_params_v1, - version, get_brightness, get_demo; + version, get_brightness, get_demo, suspend, resume; struct { uint8_t num; @@ -1069,9 +1240,13 @@ struct ec_params_lightbar { uint8_t led; } get_rgb; + struct { + uint8_t enable; + } manual_suspend_ctrl; + struct lightbar_params_v0 set_params_v0; struct lightbar_params_v1 set_params_v1; - struct lb_program set_program; + struct lightbar_program set_program; }; } __packed; @@ -1105,7 +1280,7 @@ struct ec_response_lightbar { /* no return params */ } off, on, init, set_brightness, seq, reg, set_rgb, demo, set_params_v0, set_params_v1, - set_program; + set_program, manual_suspend_ctrl, suspend, resume; }; } __packed; @@ -1130,6 +1305,9 @@ enum lightbar_command { LIGHTBAR_CMD_GET_PARAMS_V1 = 16, LIGHTBAR_CMD_SET_PARAMS_V1 = 17, LIGHTBAR_CMD_SET_PROGRAM = 18, + LIGHTBAR_CMD_MANUAL_SUSPEND_CTRL = 19, + LIGHTBAR_CMD_SUSPEND = 20, + LIGHTBAR_CMD_RESUME = 21, LIGHTBAR_NUM_CMDS }; @@ -1293,18 +1471,6 @@ enum motionsense_command { MOTIONSENSE_NUM_CMDS }; -enum motionsensor_id { - EC_MOTION_SENSOR_ACCEL_BASE = 0, - EC_MOTION_SENSOR_ACCEL_LID = 1, - EC_MOTION_SENSOR_GYRO = 2, - - /* - * Note, if more sensors are added and this count changes, the padding - * in ec_response_motion_sense dump command must be modified. - */ - EC_MOTION_SENSOR_COUNT = 3 -}; - /* List of motion sensor types. */ enum motionsensor_type { MOTIONSENSE_TYPE_ACCEL = 0, @@ -1339,9 +1505,14 @@ enum motionsensor_chip { struct ec_params_motion_sense { uint8_t cmd; union { - /* Used for MOTIONSENSE_CMD_DUMP. */ + /* Used for MOTIONSENSE_CMD_DUMP */ struct { - /* no args */ + /* + * Maximal number of sensor the host is expecting. + * 0 means the host is only interested in the number + * of sensors controlled by the EC. + */ + uint8_t max_sensor_count; } dump; /* @@ -1355,7 +1526,6 @@ struct ec_params_motion_sense { /* Used for MOTIONSENSE_CMD_INFO. */ struct { - /* Should be element of enum motionsensor_id. */ uint8_t sensor_num; } info; @@ -1364,7 +1534,6 @@ struct ec_params_motion_sense { * MOTIONSENSE_CMD_SENSOR_RANGE. */ struct { - /* Should be element of enum motionsensor_id. */ uint8_t sensor_num; /* Rounding flag, true for round-up, false for down. */ @@ -1378,18 +1547,30 @@ struct ec_params_motion_sense { }; } __packed; +struct ec_response_motion_sensor_data { + /* Flags for each sensor. */ + uint8_t flags; + uint8_t padding; + + /* Each sensor is up to 3-axis. */ + int16_t data[3]; +} __packed; + struct ec_response_motion_sense { union { - /* Used for MOTIONSENSE_CMD_DUMP. */ + /* Used for MOTIONSENSE_CMD_DUMP */ struct { /* Flags representing the motion sensor module. */ uint8_t module_flags; - /* Flags for each sensor in enum motionsensor_id. */ - uint8_t sensor_flags[EC_MOTION_SENSOR_COUNT]; + /* Number of sensors managed directly by the EC */ + uint8_t sensor_count; - /* Array of all sensor data. Each sensor is 3-axis. */ - int16_t data[3*EC_MOTION_SENSOR_COUNT]; + /* + * sensor data is truncated if response_max is too small + * for holding all the data. + */ + struct ec_response_motion_sensor_data sensor[0]; } dump; /* Used for MOTIONSENSE_CMD_INFO. */ @@ -1417,6 +1598,16 @@ struct ec_response_motion_sense { } __packed; /*****************************************************************************/ +/* Force lid open command */ + +/* Make lid event always open */ +#define EC_CMD_FORCE_LID_OPEN 0x2c + +struct ec_params_force_lid_open { + uint8_t enabled; +} __packed; + +/*****************************************************************************/ /* USB charging control commands */ /* Set USB port charging mode */ @@ -1595,32 +1786,63 @@ struct ec_params_thermal_set_threshold_v1 { /* Toggle automatic fan control */ #define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x52 -/* Get TMP006 calibration data */ +/* Version 1 of input params */ +struct ec_params_auto_fan_ctrl_v1 { + uint8_t fan_idx; +} __packed; + +/* Get/Set TMP006 calibration data */ #define EC_CMD_TMP006_GET_CALIBRATION 0x53 +#define EC_CMD_TMP006_SET_CALIBRATION 0x54 + +/* + * The original TMP006 calibration only needed four params, but now we need + * more. Since the algorithm is nothing but magic numbers anyway, we'll leave + * the params opaque. The v1 "get" response will include the algorithm number + * and how many params it requires. That way we can change the EC code without + * needing to update this file. We can also use a different algorithm on each + * sensor. + */ +/* This is the same struct for both v0 and v1. */ struct ec_params_tmp006_get_calibration { uint8_t index; } __packed; -struct ec_response_tmp006_get_calibration { +/* Version 0 */ +struct ec_response_tmp006_get_calibration_v0 { float s0; float b0; float b1; float b2; } __packed; -/* Set TMP006 calibration data */ -#define EC_CMD_TMP006_SET_CALIBRATION 0x54 - -struct ec_params_tmp006_set_calibration { +struct ec_params_tmp006_set_calibration_v0 { uint8_t index; - uint8_t reserved[3]; /* Reserved; set 0 */ + uint8_t reserved[3]; float s0; float b0; float b1; float b2; } __packed; +/* Version 1 */ +struct ec_response_tmp006_get_calibration_v1 { + uint8_t algorithm; + uint8_t num_params; + uint8_t reserved[2]; + float val[0]; +} __packed; + +struct ec_params_tmp006_set_calibration_v1 { + uint8_t index; + uint8_t algorithm; + uint8_t num_params; + uint8_t reserved; + float val[0]; +} __packed; + + /* Read raw TMP006 data */ #define EC_CMD_TMP006_GET_RAW 0x55 @@ -1768,6 +1990,29 @@ struct ec_result_keyscan_seq_ctrl { }; } __packed; +/* + * Get the next pending MKBP event. + * + * Returns EC_RES_UNAVAILABLE if there is no event pending. + */ +#define EC_CMD_GET_NEXT_EVENT 0x67 + +enum ec_mkbp_event { + /* Keyboard matrix changed. The event data is the new matrix state. */ + EC_MKBP_EVENT_KEY_MATRIX = 0, + + /* New host event. The event data is 4 bytes of host event flags. */ + EC_MKBP_EVENT_HOST_EVENT = 1, + + /* Number of MKBP events */ + EC_MKBP_EVENT_COUNT, +}; + +struct ec_response_get_next_event { + uint8_t event_type; + /* Followed by event data if any */ +} __packed; + /*****************************************************************************/ /* Temperature sensor commands */ @@ -2420,122 +2665,6 @@ struct ec_params_reboot_ec { /*****************************************************************************/ /* - * ACPI commands - * - * These are valid ONLY on the ACPI command/data port. - */ - -/* - * ACPI Read Embedded Controller - * - * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*). - * - * Use the following sequence: - * - * - Write EC_CMD_ACPI_READ to EC_LPC_ADDR_ACPI_CMD - * - Wait for EC_LPC_CMDR_PENDING bit to clear - * - Write address to EC_LPC_ADDR_ACPI_DATA - * - Wait for EC_LPC_CMDR_DATA bit to set - * - Read value from EC_LPC_ADDR_ACPI_DATA - */ -#define EC_CMD_ACPI_READ 0x80 - -/* - * ACPI Write Embedded Controller - * - * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*). - * - * Use the following sequence: - * - * - Write EC_CMD_ACPI_WRITE to EC_LPC_ADDR_ACPI_CMD - * - Wait for EC_LPC_CMDR_PENDING bit to clear - * - Write address to EC_LPC_ADDR_ACPI_DATA - * - Wait for EC_LPC_CMDR_PENDING bit to clear - * - Write value to EC_LPC_ADDR_ACPI_DATA - */ -#define EC_CMD_ACPI_WRITE 0x81 - -/* - * ACPI Query Embedded Controller - * - * This clears the lowest-order bit in the currently pending host events, and - * sets the result code to the 1-based index of the bit (event 0x00000001 = 1, - * event 0x80000000 = 32), or 0 if no event was pending. - */ -#define EC_CMD_ACPI_QUERY_EVENT 0x84 - -/* Valid addresses in ACPI memory space, for read/write commands */ - -/* Memory space version; set to EC_ACPI_MEM_VERSION_CURRENT */ -#define EC_ACPI_MEM_VERSION 0x00 -/* - * Test location; writing value here updates test compliment byte to (0xff - - * value). - */ -#define EC_ACPI_MEM_TEST 0x01 -/* Test compliment; writes here are ignored. */ -#define EC_ACPI_MEM_TEST_COMPLIMENT 0x02 - -/* Keyboard backlight brightness percent (0 - 100) */ -#define EC_ACPI_MEM_KEYBOARD_BACKLIGHT 0x03 -/* DPTF Target Fan Duty (0-100, 0xff for auto/none) */ -#define EC_ACPI_MEM_FAN_DUTY 0x04 - -/* - * DPTF temp thresholds. Any of the EC's temp sensors can have up to two - * independent thresholds attached to them. The current value of the ID - * register determines which sensor is affected by the THRESHOLD and COMMIT - * registers. The THRESHOLD register uses the same EC_TEMP_SENSOR_OFFSET scheme - * as the memory-mapped sensors. The COMMIT register applies those settings. - * - * The spec does not mandate any way to read back the threshold settings - * themselves, but when a threshold is crossed the AP needs a way to determine - * which sensor(s) are responsible. Each reading of the ID register clears and - * returns one sensor ID that has crossed one of its threshold (in either - * direction) since the last read. A value of 0xFF means "no new thresholds - * have tripped". Setting or enabling the thresholds for a sensor will clear - * the unread event count for that sensor. - */ -#define EC_ACPI_MEM_TEMP_ID 0x05 -#define EC_ACPI_MEM_TEMP_THRESHOLD 0x06 -#define EC_ACPI_MEM_TEMP_COMMIT 0x07 -/* - * Here are the bits for the COMMIT register: - * bit 0 selects the threshold index for the chosen sensor (0/1) - * bit 1 enables/disables the selected threshold (0 = off, 1 = on) - * Each write to the commit register affects one threshold. - */ -#define EC_ACPI_MEM_TEMP_COMMIT_SELECT_MASK (1 << 0) -#define EC_ACPI_MEM_TEMP_COMMIT_ENABLE_MASK (1 << 1) -/* - * Example: - * - * Set the thresholds for sensor 2 to 50 C and 60 C: - * write 2 to [0x05] -- select temp sensor 2 - * write 0x7b to [0x06] -- C_TO_K(50) - EC_TEMP_SENSOR_OFFSET - * write 0x2 to [0x07] -- enable threshold 0 with this value - * write 0x85 to [0x06] -- C_TO_K(60) - EC_TEMP_SENSOR_OFFSET - * write 0x3 to [0x07] -- enable threshold 1 with this value - * - * Disable the 60 C threshold, leaving the 50 C threshold unchanged: - * write 2 to [0x05] -- select temp sensor 2 - * write 0x1 to [0x07] -- disable threshold 1 - */ - -/* DPTF battery charging current limit */ -#define EC_ACPI_MEM_CHARGING_LIMIT 0x08 - -/* Charging limit is specified in 64 mA steps */ -#define EC_ACPI_MEM_CHARGING_LIMIT_STEP_MA 64 -/* Value to disable DPTF battery charging limit */ -#define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff - -/* Current version of ACPI memory address space */ -#define EC_ACPI_MEM_VERSION_CURRENT 1 - - -/*****************************************************************************/ -/* * Special commands * * These do not follow the normal rules for commands. See each command for @@ -2584,16 +2713,38 @@ struct ec_params_reboot_ec { /* EC to PD MCU exchange status command */ #define EC_CMD_PD_EXCHANGE_STATUS 0x100 +enum pd_charge_state { + PD_CHARGE_NO_CHANGE = 0, /* Don't change charge state */ + PD_CHARGE_NONE, /* No charging allowed */ + PD_CHARGE_5V, /* 5V charging only */ + PD_CHARGE_MAX /* Charge at max voltage */ +}; + /* Status of EC being sent to PD */ struct ec_params_pd_status { - int8_t batt_soc; /* battery state of charge */ + int8_t batt_soc; /* battery state of charge */ + uint8_t charge_state; /* charging state (from enum pd_charge_state) */ } __packed; /* Status of PD being sent back to EC */ -#define PD_STATUS_HOST_EVENT (1 << 0) +#define PD_STATUS_HOST_EVENT (1 << 0) /* Forward host event to AP */ +#define PD_STATUS_IN_RW (1 << 1) /* Running RW image */ +#define PD_STATUS_JUMPED_TO_IMAGE (1 << 2) /* Current image was jumped to */ struct ec_response_pd_status { uint32_t status; /* PD MCU status */ uint32_t curr_lim_ma; /* input current limit */ + int32_t active_charge_port; /* active charging port */ +} __packed; + +/* AP to PD MCU host event status command, cleared on read */ +#define EC_CMD_PD_HOST_EVENT_STATUS 0x104 + +/* PD MCU host event status bits */ +#define PD_EVENT_UPDATE_DEVICE (1 << 0) +#define PD_EVENT_POWER_CHANGE (1 << 1) +#define PD_EVENT_IDENTITY_RECEIVED (1 << 2) +struct ec_response_host_event_status { + uint32_t status; /* PD MCU host event status */ } __packed; /* Set USB type-C port role and muxes */ @@ -2631,6 +2782,64 @@ struct ec_response_usb_pd_control { uint8_t state; } __packed; +struct ec_response_usb_pd_control_v1 { + uint8_t enabled; + uint8_t role; /* [0] power: 0=SNK/1=SRC [1] data: 0=UFP/1=DFP */ + uint8_t polarity; + char state[32]; +} __packed; + +#define EC_CMD_USB_PD_PORTS 0x102 + +struct ec_response_usb_pd_ports { + uint8_t num_ports; +} __packed; + +#define EC_CMD_USB_PD_POWER_INFO 0x103 + +#define PD_POWER_CHARGING_PORT 0xff +struct ec_params_usb_pd_power_info { + uint8_t port; +} __packed; + +enum usb_chg_type { + USB_CHG_TYPE_NONE, + USB_CHG_TYPE_PD, + USB_CHG_TYPE_C, + USB_CHG_TYPE_PROPRIETARY, + USB_CHG_TYPE_BC12_DCP, + USB_CHG_TYPE_BC12_CDP, + USB_CHG_TYPE_BC12_SDP, + USB_CHG_TYPE_OTHER, + USB_CHG_TYPE_VBUS, +}; +enum usb_power_roles { + USB_PD_PORT_POWER_DISCONNECTED, + USB_PD_PORT_POWER_SOURCE, + USB_PD_PORT_POWER_SINK, + USB_PD_PORT_POWER_SINK_NOT_CHARGING, +}; + +struct usb_chg_measures { + uint16_t voltage_max; + uint16_t voltage_now; + uint16_t current_max; + /* + * this structure is used below in struct ec_response_usb_pd_power_info, + * and currently expects an odd number of uint16_t for alignment. + */ +} __packed; + +struct ec_response_usb_pd_power_info { + uint8_t role; + uint8_t type; + uint8_t dualrole; + uint8_t reserved1; + struct usb_chg_measures meas; + uint16_t reserved2; + uint32_t max_power; +} __packed; + /* Write USB-PD device FW */ #define EC_CMD_USB_PD_FW_UPDATE 0x110 @@ -2638,27 +2847,26 @@ enum usb_pd_fw_update_cmds { USB_PD_FW_REBOOT, USB_PD_FW_FLASH_ERASE, USB_PD_FW_FLASH_WRITE, - USB_PD_FW_FLASH_HASH, + USB_PD_FW_ERASE_SIG, }; struct ec_params_usb_pd_fw_update { + uint16_t dev_id; uint8_t cmd; - uint8_t dev_id; uint8_t port; - uint8_t reserved; /* reserved */ uint32_t size; /* Size to write in bytes */ /* Followed by data to write */ } __packed; /* Write USB-PD Accessory RW_HASH table entry */ #define EC_CMD_USB_PD_RW_HASH_ENTRY 0x111 -#define SHA1_DIGEST_SIZE 20 +/* RW hash is first 20 bytes of SHA-256 of RW section */ +#define PD_RW_HASH_SIZE 20 struct ec_params_usb_pd_rw_hash_entry { - uint8_t dev_id; - union { - uint8_t b[SHA1_DIGEST_SIZE]; - uint32_t w[SHA1_DIGEST_SIZE/4]; - } dev_rw_hash; + uint16_t dev_id; + uint8_t dev_rw_hash[PD_RW_HASH_SIZE]; + uint8_t reserved; /* For alignment of current_image */ + uint32_t current_image; /* One of ec_current_image */ } __packed; /* Read USB-PD Accessory info */ @@ -2668,6 +2876,154 @@ struct ec_params_usb_pd_info_request { uint8_t port; } __packed; +/* Read USB-PD Device discovery info */ +#define EC_CMD_USB_PD_DISCOVERY 0x113 +struct ec_params_usb_pd_discovery_entry { + uint16_t vid; /* USB-IF VID */ + uint16_t pid; /* USB-IF PID */ + uint8_t ptype; /* product type (hub,periph,cable,ama) */ +} __packed; + +/* Override default charge behavior */ +#define EC_CMD_PD_CHARGE_PORT_OVERRIDE 0x114 + +/* Negative port parameters have special meaning */ +enum usb_pd_override_ports { + OVERRIDE_DONT_CHARGE = -2, + OVERRIDE_OFF = -1, + /* [0, PD_PORT_COUNT): Port# */ +}; + +struct ec_params_charge_port_override { + int16_t override_port; /* Override port# */ +} __packed; + +/* Read (and delete) one entry of PD event log */ +#define EC_CMD_PD_GET_LOG_ENTRY 0x115 + +struct ec_response_pd_log { + uint32_t timestamp; /* relative timestamp in milliseconds */ + uint8_t type; /* event type : see PD_EVENT_xx below */ + uint8_t size_port; /* [7:5] port number [4:0] payload size in bytes */ + uint16_t data; /* type-defined data payload */ + uint8_t payload[0]; /* optional additional data payload: 0..16 bytes */ +} __packed; + + +/* The timestamp is the microsecond counter shifted to get about a ms. */ +#define PD_LOG_TIMESTAMP_SHIFT 10 /* 1 LSB = 1024us */ + +#define PD_LOG_SIZE_MASK 0x1F +#define PD_LOG_PORT_MASK 0xE0 +#define PD_LOG_PORT_SHIFT 5 +#define PD_LOG_PORT_SIZE(port, size) (((port) << PD_LOG_PORT_SHIFT) | \ + ((size) & PD_LOG_SIZE_MASK)) +#define PD_LOG_PORT(size_port) ((size_port) >> PD_LOG_PORT_SHIFT) +#define PD_LOG_SIZE(size_port) ((size_port) & PD_LOG_SIZE_MASK) + +/* PD event log : entry types */ +/* PD MCU events */ +#define PD_EVENT_MCU_BASE 0x00 +#define PD_EVENT_MCU_CHARGE (PD_EVENT_MCU_BASE+0) +#define PD_EVENT_MCU_CONNECT (PD_EVENT_MCU_BASE+1) +/* Reserved for custom board event */ +#define PD_EVENT_MCU_BOARD_CUSTOM (PD_EVENT_MCU_BASE+2) +/* PD generic accessory events */ +#define PD_EVENT_ACC_BASE 0x20 +#define PD_EVENT_ACC_RW_FAIL (PD_EVENT_ACC_BASE+0) +#define PD_EVENT_ACC_RW_ERASE (PD_EVENT_ACC_BASE+1) +/* PD power supply events */ +#define PD_EVENT_PS_BASE 0x40 +#define PD_EVENT_PS_FAULT (PD_EVENT_PS_BASE+0) +/* PD video dongles events */ +#define PD_EVENT_VIDEO_BASE 0x60 +#define PD_EVENT_VIDEO_DP_MODE (PD_EVENT_VIDEO_BASE+0) +#define PD_EVENT_VIDEO_CODEC (PD_EVENT_VIDEO_BASE+1) +/* Returned in the "type" field, when there is no entry available */ +#define PD_EVENT_NO_ENTRY 0xFF + +/* + * PD_EVENT_MCU_CHARGE event definition : + * the payload is "struct usb_chg_measures" + * the data field contains the port state flags as defined below : + */ +/* Port partner is a dual role device */ +#define CHARGE_FLAGS_DUAL_ROLE (1 << 15) +/* Port is the pending override port */ +#define CHARGE_FLAGS_DELAYED_OVERRIDE (1 << 14) +/* Port is the override port */ +#define CHARGE_FLAGS_OVERRIDE (1 << 13) +/* Charger type */ +#define CHARGE_FLAGS_TYPE_SHIFT 3 +#define CHARGE_FLAGS_TYPE_MASK (0xF << CHARGE_FLAGS_TYPE_SHIFT) +/* Power delivery role */ +#define CHARGE_FLAGS_ROLE_MASK (7 << 0) + +/* + * PD_EVENT_PS_FAULT data field flags definition : + */ +#define PS_FAULT_OCP 1 +#define PS_FAULT_FAST_OCP 2 +#define PS_FAULT_OVP 3 +#define PS_FAULT_DISCH 4 + +/* + * PD_EVENT_VIDEO_CODEC payload is "struct mcdp_info". + */ +struct mcdp_version { + uint8_t major; + uint8_t minor; + uint16_t build; +} __packed; + +struct mcdp_info { + uint8_t family[2]; + uint8_t chipid[2]; + struct mcdp_version irom; + struct mcdp_version fw; +} __packed; + +/* struct mcdp_info field decoding */ +#define MCDP_CHIPID(chipid) ((chipid[0] << 8) | chipid[1]) +#define MCDP_FAMILY(family) ((family[0] << 8) | family[1]) + +/* Get/Set USB-PD Alternate mode info */ +#define EC_CMD_USB_PD_GET_AMODE 0x116 +struct ec_params_usb_pd_get_mode_request { + uint16_t svid_idx; /* SVID index to get */ + uint8_t port; /* port */ +} __packed; + +struct ec_params_usb_pd_get_mode_response { + uint16_t svid; /* SVID */ + uint16_t opos; /* Object Position */ + uint32_t vdo[6]; /* Mode VDOs */ +} __packed; + +#define EC_CMD_USB_PD_SET_AMODE 0x117 + +enum pd_mode_cmd { + PD_EXIT_MODE = 0, + PD_ENTER_MODE = 1, + /* Not a command. Do NOT remove. */ + PD_MODE_CMD_COUNT, +}; + +struct ec_params_usb_pd_set_mode_request { + uint32_t cmd; /* enum pd_mode_cmd */ + uint16_t svid; /* SVID to set */ + uint8_t opos; /* Object Position */ + uint8_t port; /* port */ +} __packed; + +/* Ask the PD MCU to record a log of a requested type */ +#define EC_CMD_PD_WRITE_LOG_ENTRY 0x118 + +struct ec_params_pd_write_log_entry { + uint8_t type; /* event type : see PD_EVENT_xx above */ + uint8_t port; /* port#, or 0 for events unrelated to a given port */ +} __packed; + #endif /* !__ACPI__ */ /*****************************************************************************/ |