diff options
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/fw.c')
-rw-r--r-- | drivers/net/wireless/iwmc3200wifi/fw.c | 67 |
1 files changed, 43 insertions, 24 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/fw.c b/drivers/net/wireless/iwmc3200wifi/fw.c index ec1a15a5a0e..6b0bcad758c 100644 --- a/drivers/net/wireless/iwmc3200wifi/fw.c +++ b/drivers/net/wireless/iwmc3200wifi/fw.c @@ -261,6 +261,33 @@ static int iwm_load_lmac(struct iwm_priv *iwm, const char *img_name) cpu_to_le32(UMAC_RST_CTRL_FLG_LARC_CLK_EN), 0); } +static int iwm_init_calib(struct iwm_priv *iwm, unsigned long cfg_bitmap, + unsigned long expected_bitmap, u8 rx_iq_cmd) +{ + /* Read RX IQ calibration result from EEPROM */ + if (test_bit(rx_iq_cmd, &cfg_bitmap)) { + iwm_store_rxiq_calib_result(iwm); + set_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->calib_done_map); + } + + iwm_send_prio_table(iwm); + iwm_send_init_calib_cfg(iwm, cfg_bitmap); + + while (iwm->calib_done_map != expected_bitmap) { + if (iwm_notif_handle(iwm, CALIBRATION_RES_NOTIFICATION, + IWM_SRC_LMAC, WAIT_NOTIF_TIMEOUT)) { + IWM_DBG_FW(iwm, DBG, "Initial calibration timeout\n"); + return -ETIMEDOUT; + } + + IWM_DBG_FW(iwm, DBG, "Got calibration result. calib_done_map: " + "0x%lx, expected calibrations: 0x%lx\n", + iwm->calib_done_map, expected_bitmap); + } + + return 0; +} + /* * We currently have to load 3 FWs: * 1) The UMAC (Upper MAC). @@ -275,6 +302,8 @@ static int iwm_load_lmac(struct iwm_priv *iwm, const char *img_name) */ int iwm_load_fw(struct iwm_priv *iwm) { + unsigned long init_calib_map, periodic_calib_map; + unsigned long expected_calib_map; int ret; /* We first start downloading the UMAC */ @@ -315,32 +344,22 @@ int iwm_load_fw(struct iwm_priv *iwm) return ret; } -#ifdef CONFIG_IWM_B0_HW_SUPPORT - if (iwm->conf.hw_b0) { - clear_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->conf.init_calib_map); - clear_bit(PHY_CALIBRATE_RX_IQ_CMD, - &iwm->conf.periodic_calib_map); - } -#endif - /* Read RX IQ calibration result from EEPROM */ - if (test_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->conf.init_calib_map)) { - iwm_store_rxiq_calib_result(iwm); - set_bit(PHY_CALIBRATE_RX_IQ_CMD, &iwm->calib_done_map); - } - - iwm_send_prio_table(iwm); - iwm_send_init_calib_cfg(iwm, iwm->conf.init_calib_map); + init_calib_map = iwm->conf.calib_map & IWM_CALIB_MAP_INIT_MSK; + expected_calib_map = iwm->conf.expected_calib_map & + IWM_CALIB_MAP_INIT_MSK; + periodic_calib_map = IWM_CALIB_MAP_PER_LMAC(iwm->conf.calib_map); - while (iwm->calib_done_map != iwm->conf.init_calib_map) { - ret = iwm_notif_handle(iwm, CALIBRATION_RES_NOTIFICATION, - IWM_SRC_LMAC, WAIT_NOTIF_TIMEOUT); - if (ret) { - IWM_ERR(iwm, "Wait for calibration result timeout\n"); + ret = iwm_init_calib(iwm, init_calib_map, expected_calib_map, + CALIB_CFG_RX_IQ_IDX); + if (ret < 0) { + /* Let's try the old way */ + ret = iwm_init_calib(iwm, expected_calib_map, + expected_calib_map, + PHY_CALIBRATE_RX_IQ_CMD); + if (ret < 0) { + IWM_ERR(iwm, "Calibration result timeout\n"); goto out; } - IWM_DBG_FW(iwm, DBG, "Got calibration result. calib_done_map: " - "0x%lx, requested calibrations: 0x%lx\n", - iwm->calib_done_map, iwm->conf.init_calib_map); } /* Handle LMAC CALIBRATION_COMPLETE notification */ @@ -378,7 +397,7 @@ int iwm_load_fw(struct iwm_priv *iwm) iwm_send_prio_table(iwm); iwm_send_calib_results(iwm); - iwm_send_periodic_calib_cfg(iwm, iwm->conf.periodic_calib_map); + iwm_send_periodic_calib_cfg(iwm, periodic_calib_map); return 0; |