static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar)
{
int ret = 0;
if (ar->hw_params.fw.fw == NULL) {
ath10k_err(ar, "firmware file not defined\n");
return -EINVAL;
}
if (ar->hw_params.fw.board == NULL) {
ath10k_err(ar, "board data file not defined");
return -EINVAL;
}
ar->board = ath10k_fetch_fw_file(ar,
ar->hw_params.fw.dir,
ar->hw_params.fw.board);
if (IS_ERR(ar->board)) {
ret = PTR_ERR(ar->board);
ath10k_err(ar, "could not fetch board data (%d)\n", ret);
goto err;
}
ar->board_data = ar->board->data;
ar->board_len = ar->board->size;
ar->firmware = ath10k_fetch_fw_file(ar,
ar->hw_params.fw.dir,
ar->hw_params.fw.fw);
if (IS_ERR(ar->firmware)) {
ret = PTR_ERR(ar->firmware);
ath10k_err(ar, "could not fetch firmware (%d)\n", ret);
goto err;
}
ar->firmware_data = ar->firmware->data;
ar->firmware_len = ar->firmware->size;
/* OTP may be undefined. If so, don't fetch it at all */
if (ar->hw_params.fw.otp == NULL)
return 0;
ar->otp = ath10k_fetch_fw_file(ar,
ar->hw_params.fw.dir,
ar->hw_params.fw.otp);
if (IS_ERR(ar->otp)) {
ret = PTR_ERR(ar->otp);
ath10k_err(ar, "could not fetch otp (%d)\n", ret);
goto err;
}
ar->otp_data = ar->otp->data;
ar->otp_len = ar->otp->size;
return 0;
err:
ath10k_core_free_firmware_files(ar);
return ret;
}
void ath10k_core_unregister(struct ath10k *ar)
{
cancel_work_sync(&ar->register_work);
if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
return;
ath10k_thermal_unregister(ar);
/* Stop spectral before unregistering from mac80211 to remove the
* relayfs debugfs file cleanly. Otherwise the parent debugfs tree
* would be already be free'd recursively, leading to a double free.
*/
ath10k_spectral_destroy(ar);
/* We must unregister from mac80211 before we stop HTC and HIF.
* Otherwise we will fail to submit commands to FW and mac80211 will be
* unhappy about callback failures. */
ath10k_mac_unregister(ar);
ath10k_testmode_destroy(ar);
ath10k_core_free_firmware_files(ar);
ath10k_debug_unregister(ar);
}
int ath10k_core_register(struct ath10k *ar)
{
int status;
status = ath10k_core_probe_fw(ar);
if (status) {
ath10k_err("could not probe fw (%d)\n", status);
return status;
}
status = ath10k_mac_register(ar);
if (status) {
ath10k_err("could not register to mac80211 (%d)\n", status);
goto err_release_fw;
}
status = ath10k_debug_create(ar);
if (status) {
ath10k_err("unable to initialize debugfs\n");
goto err_unregister_mac;
}
return 0;
err_unregister_mac:
ath10k_mac_unregister(ar);
err_release_fw:
ath10k_core_free_firmware_files(ar);
return status;
}
void ath10k_core_unregister(struct ath10k *ar)
{
/* We must unregister from mac80211 before we stop HTC and HIF.
* Otherwise we will fail to submit commands to FW and mac80211 will be
* unhappy about callback failures. */
ath10k_mac_unregister(ar);
ath10k_core_free_firmware_files(ar);
}
/* mac80211 manages fw/hw initialization through start/stop hooks. However in
* order to know what hw capabilities should be advertised to mac80211 it is
* necessary to load the firmware (and tear it down immediately since start
* hook will try to init it again) before registering */
static int ath10k_core_probe_fw(struct ath10k *ar)
{
struct bmi_target_info target_info;
int ret = 0;
ret = ath10k_hif_power_up(ar);
if (ret) {
ath10k_err(ar, "could not start pci hif (%d)\n", ret);
return ret;
}
memset(&target_info, 0, sizeof(target_info));
ret = ath10k_bmi_get_target_info(ar, &target_info);
if (ret) {
ath10k_err(ar, "could not get target info (%d)\n", ret);
ath10k_hif_power_down(ar);
return ret;
}
ar->target_version = target_info.version;
ar->hw->wiphy->hw_version = target_info.version;
ret = ath10k_init_hw_params(ar);
if (ret) {
ath10k_err(ar, "could not get hw params (%d)\n", ret);
ath10k_hif_power_down(ar);
return ret;
}
ret = ath10k_core_fetch_firmware_files(ar);
if (ret) {
ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
ath10k_hif_power_down(ar);
return ret;
}
mutex_lock(&ar->conf_mutex);
ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
if (ret) {
ath10k_err(ar, "could not init core (%d)\n", ret);
ath10k_core_free_firmware_files(ar);
ath10k_hif_power_down(ar);
mutex_unlock(&ar->conf_mutex);
return ret;
}
ath10k_print_driver_info(ar);
ath10k_core_stop(ar);
mutex_unlock(&ar->conf_mutex);
ath10k_hif_power_down(ar);
return 0;
}
static void ath10k_core_register_work(struct work_struct *work)
{
struct ath10k *ar = container_of(work, struct ath10k, register_work);
int status;
status = ath10k_core_probe_fw(ar);
if (status) {
ath10k_err(ar, "could not probe fw (%d)\n", status);
goto err;
}
status = ath10k_mac_register(ar);
if (status) {
ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
goto err_release_fw;
}
status = ath10k_debug_register(ar);
if (status) {
ath10k_err(ar, "unable to initialize debugfs\n");
goto err_unregister_mac;
}
status = ath10k_spectral_create(ar);
if (status) {
ath10k_err(ar, "failed to initialize spectral\n");
goto err_debug_destroy;
}
status = ath10k_thermal_register(ar);
if (status) {
ath10k_err(ar, "could not register thermal device: %d\n",
status);
goto err_spectral_destroy;
}
set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
return;
err_spectral_destroy:
ath10k_spectral_destroy(ar);
err_debug_destroy:
ath10k_debug_destroy(ar);
err_unregister_mac:
ath10k_mac_unregister(ar);
err_release_fw:
ath10k_core_free_firmware_files(ar);
err:
/* TODO: It's probably a good idea to release device from the driver
* but calling device_release_driver() here will cause a deadlock.
*/
return;
}
/* mac80211 manages fw/hw initialization through start/stop hooks. However in
* order to know what hw capabilities should be advertised to mac80211 it is
* necessary to load the firmware (and tear it down immediately since start
* hook will try to init it again) before registering */
static int ath10k_core_probe_fw(struct ath10k *ar)
{
struct bmi_target_info target_info;
int ret = 0;
ret = ath10k_hif_power_up(ar);
if (ret) {
ath10k_err("could not start pci hif (%d)\n", ret);
return ret;
}
memset(&target_info, 0, sizeof(target_info));
ret = ath10k_bmi_get_target_info(ar, &target_info);
if (ret) {
ath10k_err("could not get target info (%d)\n", ret);
ath10k_hif_power_down(ar);
return ret;
}
ar->target_version = target_info.version;
ar->hw->wiphy->hw_version = target_info.version;
ret = ath10k_init_hw_params(ar);
if (ret) {
ath10k_err("could not get hw params (%d)\n", ret);
ath10k_hif_power_down(ar);
return ret;
}
ret = ath10k_core_fetch_firmware_files(ar);
if (ret) {
ath10k_err("could not fetch firmware files (%d)\n", ret);
ath10k_hif_power_down(ar);
return ret;
}
ret = ath10k_core_start(ar);
if (ret) {
ath10k_err("could not init core (%d)\n", ret);
ath10k_core_free_firmware_files(ar);
ath10k_hif_power_down(ar);
return ret;
}
ath10k_core_stop(ar);
ath10k_hif_power_down(ar);
return 0;
}
int ath10k_core_register(struct ath10k *ar, u32 chip_id)
{
int status;
ar->chip_id = chip_id;
status = ath10k_core_check_chip_id(ar);
if (status) {
ath10k_err("Unsupported chip id 0x%08x\n", ar->chip_id);
return status;
}
status = ath10k_core_probe_fw(ar);
if (status) {
ath10k_err("could not probe fw (%d)\n", status);
return status;
}
status = ath10k_mac_register(ar);
if (status) {
ath10k_err("could not register to mac80211 (%d)\n", status);
goto err_release_fw;
}
status = ath10k_debug_create(ar);
if (status) {
ath10k_err("unable to initialize debugfs\n");
goto err_unregister_mac;
}
return 0;
err_unregister_mac:
ath10k_mac_unregister(ar);
err_release_fw:
ath10k_core_free_firmware_files(ar);
return status;
}
static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
{
size_t magic_len, len, ie_len;
int ie_id, i, index, bit, ret;
struct ath10k_fw_ie *hdr;
const u8 *data;
__le32 *timestamp, *version;
/* first fetch the firmware file (firmware-*.bin) */
ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name);
if (IS_ERR(ar->firmware)) {
ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware));
return PTR_ERR(ar->firmware);
}
data = ar->firmware->data;
len = ar->firmware->size;
/* magic also includes the null byte, check that as well */
magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
if (len < magic_len) {
ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
ar->hw_params.fw.dir, name, len);
ret = -EINVAL;
goto err;
}
if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
ath10k_err(ar, "invalid firmware magic\n");
ret = -EINVAL;
goto err;
}
/* jump over the padding */
magic_len = ALIGN(magic_len, 4);
len -= magic_len;
data += magic_len;
/* loop elements */
while (len > sizeof(struct ath10k_fw_ie)) {
hdr = (struct ath10k_fw_ie *)data;
ie_id = le32_to_cpu(hdr->id);
ie_len = le32_to_cpu(hdr->len);
len -= sizeof(*hdr);
data += sizeof(*hdr);
if (len < ie_len) {
ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
ie_id, len, ie_len);
ret = -EINVAL;
goto err;
}
switch (ie_id) {
case ATH10K_FW_IE_FW_VERSION:
if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1)
break;
memcpy(ar->hw->wiphy->fw_version, data, ie_len);
ar->hw->wiphy->fw_version[ie_len] = '\0';
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found fw version %s\n",
ar->hw->wiphy->fw_version);
break;
case ATH10K_FW_IE_TIMESTAMP:
if (ie_len != sizeof(u32))
break;
timestamp = (__le32 *)data;
ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
le32_to_cpup(timestamp));
break;
case ATH10K_FW_IE_FEATURES:
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found firmware features ie (%zd B)\n",
ie_len);
for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
index = i / 8;
bit = i % 8;
if (index == ie_len)
break;
if (data[index] & (1 << bit)) {
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"Enabling feature bit: %i\n",
i);
__set_bit(i, ar->fw_features);
}
}
ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
ar->fw_features,
sizeof(ar->fw_features));
break;
case ATH10K_FW_IE_FW_IMAGE:
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found fw image ie (%zd B)\n",
ie_len);
ar->firmware_data = data;
ar->firmware_len = ie_len;
break;
case ATH10K_FW_IE_OTP_IMAGE:
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found otp image ie (%zd B)\n",
ie_len);
ar->otp_data = data;
ar->otp_len = ie_len;
break;
case ATH10K_FW_IE_WMI_OP_VERSION:
if (ie_len != sizeof(u32))
break;
version = (__le32 *)data;
ar->wmi.op_version = le32_to_cpup(version);
ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
ar->wmi.op_version);
break;
case ATH10K_FW_IE_HTT_OP_VERSION:
if (ie_len != sizeof(u32))
break;
version = (__le32 *)data;
ar->htt.op_version = le32_to_cpup(version);
ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
ar->htt.op_version);
break;
case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
ath10k_dbg(ar, ATH10K_DBG_BOOT,
"found fw code swap image ie (%zd B)\n",
ie_len);
ar->swap.firmware_codeswap_data = data;
ar->swap.firmware_codeswap_len = ie_len;
break;
default:
ath10k_warn(ar, "Unknown FW IE: %u\n",
le32_to_cpu(hdr->id));
break;
}
/* jump over the padding */
ie_len = ALIGN(ie_len, 4);
len -= ie_len;
data += ie_len;
}
if (!ar->firmware_data || !ar->firmware_len) {
ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
ar->hw_params.fw.dir, name);
ret = -ENOMEDIUM;
goto err;
}
return 0;
err:
ath10k_core_free_firmware_files(ar);
return ret;
}
/* mac80211 manages fw/hw initialization through start/stop hooks. However in
* order to know what hw capabilities should be advertised to mac80211 it is
* necessary to load the firmware (and tear it down immediately since start
* hook will try to init it again) before registering */
static int ath10k_core_probe_fw(struct ath10k *ar)
{
struct bmi_target_info target_info;
int ret = 0;
ret = ath10k_hif_power_up(ar);
if (ret) {
ath10k_err(ar, "could not start pci hif (%d)\n", ret);
return ret;
}
memset(&target_info, 0, sizeof(target_info));
ret = ath10k_bmi_get_target_info(ar, &target_info);
if (ret) {
ath10k_err(ar, "could not get target info (%d)\n", ret);
goto err_power_down;
}
ar->target_version = target_info.version;
ar->hw->wiphy->hw_version = target_info.version;
ret = ath10k_init_hw_params(ar);
if (ret) {
ath10k_err(ar, "could not get hw params (%d)\n", ret);
goto err_power_down;
}
ret = ath10k_core_fetch_firmware_files(ar);
if (ret) {
ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
goto err_power_down;
}
ret = ath10k_core_init_firmware_features(ar);
if (ret) {
ath10k_err(ar, "fatal problem with firmware features: %d\n",
ret);
goto err_free_firmware_files;
}
ret = ath10k_swap_code_seg_init(ar);
if (ret) {
ath10k_err(ar, "failed to initialize code swap segment: %d\n",
ret);
goto err_free_firmware_files;
}
mutex_lock(&ar->conf_mutex);
ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
if (ret) {
ath10k_err(ar, "could not init core (%d)\n", ret);
goto err_unlock;
}
ath10k_print_driver_info(ar);
ath10k_core_stop(ar);
mutex_unlock(&ar->conf_mutex);
ath10k_hif_power_down(ar);
return 0;
err_unlock:
mutex_unlock(&ar->conf_mutex);
err_free_firmware_files:
ath10k_core_free_firmware_files(ar);
err_power_down:
ath10k_hif_power_down(ar);
return ret;
}
