// SPDX-License-Identifier: ISC /* * Copyright (c) 2005-2011 Atheros Communications Inc. * Copyright (c) 2011-2014,2016-2017 Qualcomm Atheros, Inc. * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
*/
ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, cmdlen, NULL, NULL); if (ret) {
ath10k_warn(ar, "unable to write to the device: %d\n", ret); return ret;
}
return 0;
}
int ath10k_bmi_get_target_info(struct ath10k *ar, struct bmi_target_info *target_info)
{ struct bmi_cmd cmd; union bmi_resp resp;
u32 cmdlen = sizeof(cmd.id) + sizeof(cmd.get_target_info);
u32 resplen = sizeof(resp.get_target_info); int ret;
ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi get target info\n");
if (ar->bmi.done_sent) {
ath10k_warn(ar, "BMI Get Target Info Command disallowed\n"); return -EBUSY;
}
cmd.id = __cpu_to_le32(BMI_GET_TARGET_INFO);
ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, cmdlen, &resp, &resplen); if (ret) {
ath10k_warn(ar, "unable to get target info from device\n"); return ret;
}
int ath10k_bmi_get_target_info_sdio(struct ath10k *ar, struct bmi_target_info *target_info)
{ struct bmi_cmd cmd; union bmi_resp resp;
u32 cmdlen = sizeof(cmd.id) + sizeof(cmd.get_target_info);
u32 resplen, ver_len;
__le32 tmp; int ret;
ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi get target info SDIO\n");
if (ar->bmi.done_sent) {
ath10k_warn(ar, "BMI Get Target Info Command disallowed\n"); return -EBUSY;
}
cmd.id = __cpu_to_le32(BMI_GET_TARGET_INFO);
/* Step 1: Read 4 bytes of the target info and check if it is * the special sentinel version word or the first word in the * version response.
*/
resplen = sizeof(u32);
ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, cmdlen, &tmp, &resplen); if (ret) {
ath10k_warn(ar, "unable to read from device\n"); return ret;
}
/* Some SDIO boards have a special sentinel byte before the real * version response.
*/ if (__le32_to_cpu(tmp) == TARGET_VERSION_SENTINAL) { /* Step 1b: Read the version length */
resplen = sizeof(u32);
ret = ath10k_hif_exchange_bmi_msg(ar, NULL, 0, &tmp,
&resplen); if (ret) {
ath10k_warn(ar, "unable to read from device\n"); return ret;
}
}
ver_len = __le32_to_cpu(tmp);
/* Step 2: Check the target info length */ if (ver_len != sizeof(resp.get_target_info)) {
ath10k_warn(ar, "Unexpected target info len: %u. Expected: %zu\n",
ver_len, sizeof(resp.get_target_info)); return -EINVAL;
}
/* Step 3: Read the rest of the version response */
resplen = sizeof(resp.get_target_info) - sizeof(u32);
ret = ath10k_hif_exchange_bmi_msg(ar, NULL, 0,
&resp.get_target_info.version,
&resplen); if (ret) {
ath10k_warn(ar, "unable to read from device\n"); return ret;
}
ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, cmdlen,
&resp, &rxlen); if (ret) {
ath10k_warn(ar, "unable to read from the device (%d)\n",
ret); return ret;
}
ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, hdrlen + txlen,
NULL, NULL); if (ret) {
ath10k_warn(ar, "unable to write to the device (%d)\n",
ret); return ret;
}
/* fixup roundup() so `length` zeroes out for last chunk */
txlen = min(txlen, length);
ret = ath10k_hif_exchange_bmi_msg(ar, cmd, hdrlen + txlen,
NULL, NULL); if (ret) {
ath10k_warn(ar, "unable to write to the device\n");
kfree(cmd); return ret;
}
ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, cmdlen, NULL, NULL); if (ret) {
ath10k_warn(ar, "unable to Start LZ Stream to the device\n"); return ret;
}
ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, cmdlen, NULL, NULL); if (ret) {
ath10k_warn(ar, "unable to set start to the device:%d\n", ret); return ret;
}
return 0;
}
Messung V0.5
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