diff options
Diffstat (limited to 'include/peripheral_charger.h')
| -rw-r--r-- | include/peripheral_charger.h | 68 |
1 files changed, 61 insertions, 7 deletions
diff --git a/include/peripheral_charger.h b/include/peripheral_charger.h index 7944efd109..93d6427814 100644 --- a/include/peripheral_charger.h +++ b/include/peripheral_charger.h @@ -60,6 +60,22 @@ * +--------------+ CHARGING +---------------+ * DEVICE_LOST +---------------+ ERROR * + * + * In download (update firmware) mode, the state machine transitions as follows: + * + * +---------------+ + * | DOWNLOAD | + * +------+--------+ + * | ^ + * UPDATE_OPEN | | + * | | UPDATE_CLOSE + * v | + * +--------+------+ + * +-->| DOWNLOADING | + * | +------+--------+ + * | | + * +----------+ + * UPDATE_WRITE */ /* Size of event queue. Use it to initialize struct pchg.events. */ @@ -83,30 +99,43 @@ enum pchg_event { PCHG_EVENT_CHARGE_UPDATE, PCHG_EVENT_CHARGE_ENDED, PCHG_EVENT_CHARGE_STOPPED, + PCHG_EVENT_UPDATE_OPENED, + PCHG_EVENT_UPDATE_CLOSED, + PCHG_EVENT_UPDATE_WRITTEN, PCHG_EVENT_IN_NORMAL, /* Errors */ PCHG_EVENT_CHARGE_ERROR, + PCHG_EVENT_UPDATE_ERROR, PCHG_EVENT_OTHER_ERROR, /* Internal (a.k.a. Host) Events */ - PCHG_EVENT_INITIALIZE, PCHG_EVENT_ENABLE, PCHG_EVENT_DISABLE, + PCHG_EVENT_UPDATE_OPEN, + PCHG_EVENT_UPDATE_WRITE, + PCHG_EVENT_UPDATE_CLOSE, /* Counter. Add new entry above. */ PCHG_EVENT_COUNT, }; enum pchg_error { - PCHG_ERROR_NONE = 0, - /* Error initiated by host. */ - PCHG_ERROR_HOST = BIT(0), - PCHG_ERROR_OVER_TEMPERATURE = BIT(1), - PCHG_ERROR_OVER_CURRENT = BIT(2), - PCHG_ERROR_FOREIGN_OBJECT = BIT(3), + /* Errors reported by host. */ + PCHG_ERROR_HOST, + PCHG_ERROR_OVER_TEMPERATURE, + PCHG_ERROR_OVER_CURRENT, + PCHG_ERROR_FOREIGN_OBJECT, + /* Errors reported by chip. */ + PCHG_ERROR_FW_VERSION, + PCHG_ERROR_INVALID_FW, + PCHG_ERROR_WRITE_FLASH, + /* All other errors */ + PCHG_ERROR_OTHER, }; +#define PCHG_ERROR_MASK(e) BIT(e) + enum pchg_mode { PCHG_MODE_NORMAL = 0, PCHG_MODE_DOWNLOAD, @@ -124,6 +153,23 @@ struct pchg_config { const enum gpio_signal irq_pin; /* Full battery percentage */ const uint8_t full_percent; + /* Update block size */ + const uint32_t block_size; +}; + +struct pchg_update { + /* Version of new firmware. Usually used by EC_PCHG_UPDATE_CMD_OPEN. */ + uint32_t version; + /* CRC32 of new firmware. Usually used by EC_PCHG_UPDATE_CMD_CLOSE. */ + uint32_t crc32; + /* Address which <data> will be written to. */ + uint32_t addr; + /* Size of <data> */ + uint32_t size; + /* 0: No data. 1: Data is ready for write. */ + uint8_t data_ready; + /* Partial data of new firmware */ + uint8_t data[128]; }; /** @@ -153,6 +199,8 @@ struct pchg { uint8_t mode; /* FW version */ uint32_t fw_version; + /* Context related to FW update */ + struct pchg_update update; }; /** @@ -169,6 +217,12 @@ struct pchg_drv { int (*get_event)(struct pchg *ctx); /* Get battery level. */ int (*get_soc)(struct pchg *ctx); + /* open update session */ + int (*update_open)(struct pchg *ctx); + /* write update image */ + int (*update_write)(struct pchg *ctx); + /* close update session */ + int (*update_close)(struct pchg *ctx); }; /** |