diff options
Diffstat (limited to 'driver/nfc/ctn730.c')
| -rw-r--r-- | driver/nfc/ctn730.c | 78 |
1 files changed, 59 insertions, 19 deletions
diff --git a/driver/nfc/ctn730.c b/driver/nfc/ctn730.c index 75487fa701..6efb75efb4 100644 --- a/driver/nfc/ctn730.c +++ b/driver/nfc/ctn730.c @@ -56,12 +56,17 @@ static const int _detection_interval_ms = 100; #define WLC_CHG_CTRL_CHARGING_INFO 0b010101 /* WLC_HOST_CTRL_RESET constants */ -#define WLC_HOST_CTRL_RESET_CMD_SIZE 1 -#define WLC_HOST_CTRL_RESET_RSP_SIZE 1 -#define WLC_HOST_CTRL_RESET_EVT_NORMAL_MODE 0x00 -#define WLC_HOST_CTRL_RESET_EVT_DOWNLOAD_MODE 0x01 -#define WLC_HOST_CTRL_RESET_CMD_MODE_NORMAL 0x00 -#define WLC_HOST_CTRL_RESET_CMD_MODE_DOWNLOAD 0x01 +#define WLC_HOST_CTRL_RESET_CMD_SIZE 1 +#define WLC_HOST_CTRL_RESET_RSP_SIZE 1 +#define WLC_HOST_CTRL_RESET_EVT_NORMAL_MODE 0x00 +#define WLC_HOST_CTRL_RESET_EVT_NORMAL_MODE_SIZE 3 +#define WLC_HOST_CTRL_RESET_EVT_DOWNLOAD_MODE 0x01 +#define WLC_HOST_CTRL_RESET_EVT_DOWNLOAD_MODE_SIZE 2 +#define WLC_HOST_CTRL_RESET_REASON_INTENDED 0x00 +#define WLC_HOST_CTRL_RESET_REASON_CORRUPTED 0x01 +#define WLC_HOST_CTRL_RESET_REASON_UNRECOVERABLE 0x02 +#define WLC_HOST_CTRL_RESET_CMD_MODE_NORMAL 0x00 +#define WLC_HOST_CTRL_RESET_CMD_MODE_DOWNLOAD 0x01 /* WLC_CHG_CTRL_ENABLE constants */ #define WLC_CHG_CTRL_ENABLE_CMD_SIZE 2 @@ -207,6 +212,20 @@ static const char *_text_status_code(uint8_t code) } } +static const char *_text_reset_reason(uint8_t code) +{ + switch (code) { + case WLC_HOST_CTRL_RESET_REASON_INTENDED: + return "intended"; + case WLC_HOST_CTRL_RESET_REASON_CORRUPTED: + return "corrupted"; + case WLC_HOST_CTRL_RESET_REASON_UNRECOVERABLE: + return "unrecoverable"; + default: + return "unknown"; + } +} + static int _i2c_read(int i2c_port, uint8_t *in, int in_len) { int rv; @@ -269,7 +288,9 @@ static int ctn730_init(struct pchg *ctx) cmd->message_type = CTN730_MESSAGE_TYPE_COMMAND; cmd->instruction = WLC_HOST_CTRL_RESET; cmd->length = WLC_HOST_CTRL_RESET_CMD_SIZE; - cmd->payload[0] = WLC_HOST_CTRL_RESET_CMD_MODE_NORMAL; + cmd->payload[0] = ctx->mode == PCHG_MODE_NORMAL + ? WLC_HOST_CTRL_RESET_CMD_MODE_NORMAL + : WLC_HOST_CTRL_RESET_CMD_MODE_DOWNLOAD; /* TODO: Run 1 sec timeout timer. */ rv = _send_command(ctx, cmd); @@ -327,26 +348,36 @@ static int _process_payload_response(struct pchg *ctx, struct ctn730_msg *res) switch (res->instruction) { case WLC_HOST_CTRL_RESET: - if (len != WLC_HOST_CTRL_RESET_RSP_SIZE - || buf[0] != WLC_HOST_STATUS_OK) + if (len != WLC_HOST_CTRL_RESET_RSP_SIZE) return EC_ERROR_UNKNOWN; + if (buf[0] != WLC_HOST_STATUS_OK) + ctx->event = PCHG_EVENT_OTHER_ERROR; break; case WLC_CHG_CTRL_ENABLE: - if (len != WLC_CHG_CTRL_ENABLE_RSP_SIZE - || buf[0] != WLC_HOST_STATUS_OK) + if (len != WLC_CHG_CTRL_ENABLE_RSP_SIZE) return EC_ERROR_UNKNOWN; - ctx->event = PCHG_EVENT_ENABLED; + if (buf[0] != WLC_HOST_STATUS_OK) + ctx->event = PCHG_EVENT_OTHER_ERROR; + else + ctx->event = PCHG_EVENT_ENABLED; break; case WLC_CHG_CTRL_DISABLE: - if (len != WLC_CHG_CTRL_DISABLE_RSP_SIZE - || buf[0] != WLC_HOST_STATUS_OK) + if (len != WLC_CHG_CTRL_DISABLE_RSP_SIZE) return EC_ERROR_UNKNOWN; + if (buf[0] != WLC_HOST_STATUS_OK) + ctx->event = PCHG_EVENT_OTHER_ERROR; + else + ctx->event = PCHG_EVENT_DISABLED; break; case WLC_CHG_CTRL_CHARGING_INFO: - if (len != WLC_CHG_CTRL_CHARGING_INFO_RSP_SIZE - || buf[0] != WLC_HOST_STATUS_OK) + if (len != WLC_CHG_CTRL_CHARGING_INFO_RSP_SIZE) return EC_ERROR_UNKNOWN; - ctx->battery_percent = buf[1]; + if (buf[0] != WLC_HOST_STATUS_OK) { + ctx->event = PCHG_EVENT_OTHER_ERROR; + } else { + ctx->battery_percent = buf[1]; + ctx->event = PCHG_EVENT_CHARGE_UPDATE; + } break; default: CPRINTS("Received unknown response (%d)", res->instruction); @@ -374,16 +405,25 @@ static int _process_payload_event(struct pchg *ctx, struct ctn730_msg *res) if (IS_ENABLED(CTN730_DEBUG)) CPRINTS("Payload: %ph", HEX_BUF(buf, len)); + ctx->event = PCHG_EVENT_NONE; + switch (res->instruction) { case WLC_HOST_CTRL_RESET: if (buf[0] == WLC_HOST_CTRL_RESET_EVT_NORMAL_MODE) { - ctx->event = PCHG_EVENT_INITIALIZED; + if (len != WLC_HOST_CTRL_RESET_EVT_NORMAL_MODE_SIZE) + return EC_ERROR_INVAL; + ctx->event = PCHG_EVENT_IN_NORMAL; + CPRINTS("Normal Mode (FW=0x%02x.%02x)", buf[1], buf[2]); /* * ctn730 isn't immediately ready for i2c write after * normal mode initialization (b:178096436). */ msleep(5); } else if (buf[0] == WLC_HOST_CTRL_RESET_EVT_DOWNLOAD_MODE) { + if (len != WLC_HOST_CTRL_RESET_EVT_DOWNLOAD_MODE_SIZE) + return EC_ERROR_INVAL; + CPRINTS("Download Mode (%s)", + _text_reset_reason(buf[1])); ctx->event = PCHG_EVENT_RESET; } else { return EC_ERROR_INVAL; @@ -481,7 +521,7 @@ static int ctn730_get_soc(struct pchg *ctx) if (rv) return rv; - return EC_SUCCESS; + return EC_SUCCESS_IN_PROGRESS; } /** |