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mfd: cros_ec: Complete Power and USB PD API 

Improve API for USB Powe delivery and power management.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Fabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Gwendal Grignou 2019-06-03 11:33:50 -07:00 committed by Lee Jones
parent 170309b438
commit e16efdf121
1 changed files with 228 additions and 8 deletions
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236
include/linux/mfd/cros_ec_commands.h
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@ -2796,7 +2796,8 @@ struct ec_params_config_power_button {
struct ec_params_usb_charge_set_mode {
uint8_t usb_port_id;
uint8_t mode;
uint8_t mode:7;
uint8_t inhibit_charge:1;
} __ec_align1;
/*****************************************************************************/
@ -3933,6 +3934,11 @@ enum charge_state_params {
CS_PARAM_CHG_INPUT_CURRENT, /* charger input current limit */
CS_PARAM_CHG_STATUS, /* charger-specific status */
CS_PARAM_CHG_OPTION, /* charger-specific options */
CS_PARAM_LIMIT_POWER, /*
* Check if power is limited due to
* low battery and / or a weak external
* charger. READ ONLY.
*/
/* How many so far? */
CS_NUM_BASE_PARAMS,
@ -3940,6 +3946,17 @@ enum charge_state_params {
CS_PARAM_CUSTOM_PROFILE_MIN = 0x10000,
CS_PARAM_CUSTOM_PROFILE_MAX = 0x1ffff,
/* Range for CONFIG_CHARGE_STATE_DEBUG params */
CS_PARAM_DEBUG_MIN = 0x20000,
CS_PARAM_DEBUG_CTL_MODE = 0x20000,
CS_PARAM_DEBUG_MANUAL_MODE,
CS_PARAM_DEBUG_SEEMS_DEAD,
CS_PARAM_DEBUG_SEEMS_DISCONNECTED,
CS_PARAM_DEBUG_BATT_REMOVED,
CS_PARAM_DEBUG_MANUAL_CURRENT,
CS_PARAM_DEBUG_MANUAL_VOLTAGE,
CS_PARAM_DEBUG_MAX = 0x2ffff,
/* Other custom param ranges go here... */
};
@ -4000,6 +4017,16 @@ struct ec_params_external_power_limit_v1 {
#define EC_POWER_LIMIT_NONE 0xffff
/*
* Set maximum voltage & current of a dedicated charge port
*/
#define EC_CMD_OVERRIDE_DEDICATED_CHARGER_LIMIT 0x00A3
struct ec_params_dedicated_charger_limit {
uint16_t current_lim; /* in mA */
uint16_t voltage_lim; /* in mV */
} __ec_align2;
/* Inform the EC when entering a sleep state */
#define EC_CMD_HOST_SLEEP_EVENT 0x00A9
@ -4385,18 +4412,53 @@ struct ec_params_reboot_ec {
/* EC to PD MCU exchange status command */
#define EC_CMD_PD_EXCHANGE_STATUS 0x0100
#define EC_VER_PD_EXCHANGE_STATUS 2
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 */
#define EC_STATUS_HIBERNATING BIT(0)
struct ec_params_pd_status {
int8_t batt_soc; /* battery state of charge */
uint8_t status; /* EC status */
int8_t batt_soc; /* battery state of charge */
uint8_t charge_state; /* charging state (from enum pd_charge_state) */
} __ec_align1;
/* Status of PD being sent back to EC */
#define PD_STATUS_HOST_EVENT BIT(0) /* Forward host event to AP */
#define PD_STATUS_IN_RW BIT(1) /* Running RW image */
#define PD_STATUS_JUMPED_TO_IMAGE BIT(2) /* Current image was jumped to */
#define PD_STATUS_TCPC_ALERT_0 BIT(3) /* Alert active in port 0 TCPC */
#define PD_STATUS_TCPC_ALERT_1 BIT(4) /* Alert active in port 1 TCPC */
#define PD_STATUS_TCPC_ALERT_2 BIT(5) /* Alert active in port 2 TCPC */
#define PD_STATUS_TCPC_ALERT_3 BIT(6) /* Alert active in port 3 TCPC */
#define PD_STATUS_EC_INT_ACTIVE (PD_STATUS_TCPC_ALERT_0 | \
PD_STATUS_TCPC_ALERT_1 | \
PD_STATUS_HOST_EVENT)
struct ec_response_pd_status {
int8_t status; /* PD MCU status */
uint32_t curr_lim_ma; /* input current limit */
uint32_t curr_lim_ma; /* input current limit */
uint16_t status; /* PD MCU status */
int8_t active_charge_port; /* active charging port */
} __ec_align_size1;
/* AP to PD MCU host event status command, cleared on read */
#define EC_CMD_PD_HOST_EVENT_STATUS 0x0104
/* PD MCU host event status bits */
#define PD_EVENT_UPDATE_DEVICE BIT(0)
#define PD_EVENT_POWER_CHANGE BIT(1)
#define PD_EVENT_IDENTITY_RECEIVED BIT(2)
#define PD_EVENT_DATA_SWAP BIT(3)
struct ec_response_host_event_status {
uint32_t status; /* PD MCU host event status */
} __ec_align4;
/* Set USB type-C port role and muxes */
#define EC_CMD_USB_PD_CONTROL 0x0101
@ -4406,6 +4468,8 @@ enum usb_pd_control_role {
USB_PD_CTRL_ROLE_TOGGLE_OFF = 2,
USB_PD_CTRL_ROLE_FORCE_SINK = 3,
USB_PD_CTRL_ROLE_FORCE_SOURCE = 4,
USB_PD_CTRL_ROLE_FREEZE = 5,
USB_PD_CTRL_ROLE_COUNT
};
enum usb_pd_control_mux {
@ -4415,6 +4479,7 @@ enum usb_pd_control_mux {
USB_PD_CTRL_MUX_DP = 3,
USB_PD_CTRL_MUX_DOCK = 4,
USB_PD_CTRL_MUX_AUTO = 5,
USB_PD_CTRL_MUX_COUNT
};
enum usb_pd_control_swap {
@ -4444,6 +4509,13 @@ struct ec_params_usb_pd_control {
#define PD_CTRL_RESP_ROLE_USB_COMM BIT(5) /* Partner USB comm capable */
#define PD_CTRL_RESP_ROLE_EXT_POWERED BIT(6) /* Partner externally powerd */
struct ec_response_usb_pd_control {
uint8_t enabled;
uint8_t role;
uint8_t polarity;
uint8_t state;
} __ec_align1;
struct ec_response_usb_pd_control_v1 {
uint8_t enabled;
uint8_t role;
@ -4451,6 +4523,25 @@ struct ec_response_usb_pd_control_v1 {
char state[32];
} __ec_align1;
/* Values representing usbc PD CC state */
#define USBC_PD_CC_NONE 0 /* No accessory connected */
#define USBC_PD_CC_NO_UFP 1 /* No UFP accessory connected */
#define USBC_PD_CC_AUDIO_ACC 2 /* Audio accessory connected */
#define USBC_PD_CC_DEBUG_ACC 3 /* Debug accessory connected */
#define USBC_PD_CC_UFP_ATTACHED 4 /* UFP attached to usbc */
#define USBC_PD_CC_DFP_ATTACHED 5 /* DPF attached to usbc */
struct ec_response_usb_pd_control_v2 {
uint8_t enabled;
uint8_t role;
uint8_t polarity;
char state[32];
uint8_t cc_state; /* USBC_PD_CC_*Encoded cc state */
uint8_t dp_mode; /* Current DP pin mode (MODE_DP_PIN_[A-E]) */
/* CL:1500994 Current cable type */
uint8_t reserved_cable_type;
} __ec_align1;
#define EC_CMD_USB_PD_PORTS 0x0102
/* Maximum number of PD ports on a device, num_ports will be <= this */
@ -4478,6 +4569,7 @@ enum usb_chg_type {
USB_CHG_TYPE_OTHER,
USB_CHG_TYPE_VBUS,
USB_CHG_TYPE_UNKNOWN,
USB_CHG_TYPE_DEDICATED,
};
enum usb_power_roles {
USB_PD_PORT_POWER_DISCONNECTED,
@ -4502,9 +4594,6 @@ struct ec_response_usb_pd_power_info {
uint32_t max_power;
} __ec_align4;
struct ec_params_usb_pd_info_request {
uint8_t port;
} __ec_align1;
/*
* This command will return the number of USB PD charge port + the number
@ -4516,6 +4605,46 @@ struct ec_response_charge_port_count {
uint8_t port_count;
} __ec_align1;
/* Write USB-PD device FW */
#define EC_CMD_USB_PD_FW_UPDATE 0x0110
enum usb_pd_fw_update_cmds {
USB_PD_FW_REBOOT,
USB_PD_FW_FLASH_ERASE,
USB_PD_FW_FLASH_WRITE,
USB_PD_FW_ERASE_SIG,
};
struct ec_params_usb_pd_fw_update {
uint16_t dev_id;
uint8_t cmd;
uint8_t port;
uint32_t size; /* Size to write in bytes */
/* Followed by data to write */
} __ec_align4;
/* Write USB-PD Accessory RW_HASH table entry */
#define EC_CMD_USB_PD_RW_HASH_ENTRY 0x0111
/* 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 {
uint16_t dev_id;
uint8_t dev_rw_hash[PD_RW_HASH_SIZE];
uint8_t reserved; /*
* For alignment of current_image
* TODO(rspangler) but it's not aligned!
* Should have been reserved[2].
*/
uint32_t current_image; /* One of ec_current_image */
} __ec_align1;
/* Read USB-PD Accessory info */
#define EC_CMD_USB_PD_DEV_INFO 0x0112
struct ec_params_usb_pd_info_request {
uint8_t port;
} __ec_align1;
/* Read USB-PD Device discovery info */
#define EC_CMD_USB_PD_DISCOVERY 0x0113
struct ec_params_usb_pd_discovery_entry {
@ -4538,7 +4667,11 @@ struct ec_params_charge_port_override {
int16_t override_port; /* Override port# */
} __ec_align2;
/* Read (and delete) one entry of PD event log */
/*
* Read (and delete) one entry of PD event log.
* TODO(crbug.com/751742): Make this host command more generic to accommodate
* future non-PD logs that use the same internal EC event_log.
*/
#define EC_CMD_PD_GET_LOG_ENTRY 0x0115
struct ec_response_pd_log {
@ -4626,6 +4759,60 @@ struct mcdp_info {
#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 0x0116
struct ec_params_usb_pd_get_mode_request {
uint16_t svid_idx; /* SVID index to get */
uint8_t port; /* port */
} __ec_align_size1;
struct ec_params_usb_pd_get_mode_response {
uint16_t svid; /* SVID */
uint16_t opos; /* Object Position */
uint32_t vdo[6]; /* Mode VDOs */
} __ec_align4;
#define EC_CMD_USB_PD_SET_AMODE 0x0117
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 */
} __ec_align4;
/* Ask the PD MCU to record a log of a requested type */
#define EC_CMD_PD_WRITE_LOG_ENTRY 0x0118
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 */
} __ec_align1;
/* Control USB-PD chip */
#define EC_CMD_PD_CONTROL 0x0119
enum ec_pd_control_cmd {
PD_SUSPEND = 0, /* Suspend the PD chip (EC: stop talking to PD) */
PD_RESUME, /* Resume the PD chip (EC: start talking to PD) */
PD_RESET, /* Force reset the PD chip */
PD_CONTROL_DISABLE, /* Disable further calls to this command */
PD_CHIP_ON, /* Power on the PD chip */
};
struct ec_params_pd_control {
uint8_t chip; /* chip id */
uint8_t subcmd;
} __ec_align1;
/* Get info about USB-C SS muxes */
#define EC_CMD_USB_PD_MUX_INFO 0x011A
@ -4638,10 +4825,43 @@ struct ec_params_usb_pd_mux_info {
#define USB_PD_MUX_DP_ENABLED BIT(1) /* DP connected */
#define USB_PD_MUX_POLARITY_INVERTED BIT(2) /* CC line Polarity inverted */
#define USB_PD_MUX_HPD_IRQ BIT(3) /* HPD IRQ is asserted */
#define USB_PD_MUX_HPD_LVL BIT(4) /* HPD level is asserted */
struct ec_response_usb_pd_mux_info {
uint8_t flags; /* USB_PD_MUX_*-encoded USB mux state */
} __ec_align1;
#define EC_CMD_PD_CHIP_INFO 0x011B
struct ec_params_pd_chip_info {
uint8_t port; /* USB-C port number */
uint8_t renew; /* Force renewal */
} __ec_align1;
struct ec_response_pd_chip_info {
uint16_t vendor_id;
uint16_t product_id;
uint16_t device_id;
union {
uint8_t fw_version_string[8];
uint64_t fw_version_number;
};
} __ec_align2;
struct ec_response_pd_chip_info_v1 {
uint16_t vendor_id;
uint16_t product_id;
uint16_t device_id;
union {
uint8_t fw_version_string[8];
uint64_t fw_version_number;
};
union {
uint8_t min_req_fw_version_string[8];
uint64_t min_req_fw_version_number;
};
} __ec_align2;
/*****************************************************************************/
/*
* Reserve a range of host commands for board-specific, experimental, or