diff options
-rw-r--r-- | drivers/net/wireless/ath/ath10k/core.c | 64 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/core.h | 6 |
2 files changed, 68 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 5935e0973d14..72a366aa9f60 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -12,6 +12,7 @@ #include <linux/dmi.h> #include <linux/ctype.h> #include <linux/pm_qos.h> +#include <linux/nvmem-consumer.h> #include <asm/byteorder.h> #include "core.h" @@ -935,7 +936,8 @@ static int ath10k_core_get_board_id_from_otp(struct ath10k *ar) } if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT || - ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE) + ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE || + ar->cal_mode == ATH10K_PRE_CAL_MODE_NVMEM) bmi_board_id_param = BMI_PARAM_GET_FLASH_BOARD_ID; else bmi_board_id_param = BMI_PARAM_GET_EEPROM_BOARD_ID; @@ -1726,7 +1728,8 @@ static int ath10k_download_and_run_otp(struct ath10k *ar) /* As of now pre-cal is valid for 10_4 variants */ if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT || - ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE) + ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE || + ar->cal_mode == ATH10K_PRE_CAL_MODE_NVMEM) bmi_otp_exe_param = BMI_PARAM_FLASH_SECTION_ALL; ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result); @@ -1853,6 +1856,39 @@ out_free: return ret; } +static int ath10k_download_cal_nvmem(struct ath10k *ar, const char *cell_name) +{ + struct nvmem_cell *cell; + void *buf; + size_t len; + int ret; + + cell = devm_nvmem_cell_get(ar->dev, cell_name); + if (IS_ERR(cell)) { + ret = PTR_ERR(cell); + return ret; + } + + buf = nvmem_cell_read(cell, &len); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + if (ar->hw_params.cal_data_len != len) { + kfree(buf); + ath10k_warn(ar, "invalid calibration data length in nvmem-cell '%s': %zu != %u\n", + cell_name, len, ar->hw_params.cal_data_len); + return -EMSGSIZE; + } + + ret = ath10k_download_board_data(ar, buf, len); + kfree(buf); + if (ret) + ath10k_warn(ar, "failed to download calibration data from nvmem-cell '%s': %d\n", + cell_name, ret); + + return ret; +} + int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name, struct ath10k_fw_file *fw_file) { @@ -2087,6 +2123,18 @@ static int ath10k_core_pre_cal_download(struct ath10k *ar) { int ret; + ret = ath10k_download_cal_nvmem(ar, "pre-calibration"); + if (ret == 0) { + ar->cal_mode = ATH10K_PRE_CAL_MODE_NVMEM; + goto success; + } else if (ret == -EPROBE_DEFER) { + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_BOOT, + "boot did not find a pre-calibration nvmem-cell, try file next: %d\n", + ret); + ret = ath10k_download_cal_file(ar, ar->pre_cal_file); if (ret == 0) { ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE; @@ -2153,6 +2201,18 @@ static int ath10k_download_cal_data(struct ath10k *ar) "pre cal download procedure failed, try cal file: %d\n", ret); + ret = ath10k_download_cal_nvmem(ar, "calibration"); + if (ret == 0) { + ar->cal_mode = ATH10K_CAL_MODE_NVMEM; + goto done; + } else if (ret == -EPROBE_DEFER) { + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_BOOT, + "boot did not find a calibration nvmem-cell, try file next: %d\n", + ret); + ret = ath10k_download_cal_file(ar, ar->cal_file); if (ret == 0) { ar->cal_mode = ATH10K_CAL_MODE_FILE; diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 5aeff2d9f6cf..9f6680b3be0a 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -877,8 +877,10 @@ enum ath10k_cal_mode { ATH10K_CAL_MODE_FILE, ATH10K_CAL_MODE_OTP, ATH10K_CAL_MODE_DT, + ATH10K_CAL_MODE_NVMEM, ATH10K_PRE_CAL_MODE_FILE, ATH10K_PRE_CAL_MODE_DT, + ATH10K_PRE_CAL_MODE_NVMEM, ATH10K_CAL_MODE_EEPROM, }; @@ -898,10 +900,14 @@ static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode) return "otp"; case ATH10K_CAL_MODE_DT: return "dt"; + case ATH10K_CAL_MODE_NVMEM: + return "nvmem"; case ATH10K_PRE_CAL_MODE_FILE: return "pre-cal-file"; case ATH10K_PRE_CAL_MODE_DT: return "pre-cal-dt"; + case ATH10K_PRE_CAL_MODE_NVMEM: + return "pre-cal-nvmem"; case ATH10K_CAL_MODE_EEPROM: return "eeprom"; } |