C++ (Cpp) rtl8723b_parse_firmware Examples

Example #1

File: btrtl.c Project: hemaprathaban/linux-1

static int btrtl_setup_rtl8723b(struct hci_dev *hdev, u16 lmp_subver,
                                const char *fw_name)
{
    unsigned char *fw_data = NULL;
    const struct firmware *fw;
    int ret;

    BT_INFO("%s: rtl: loading %s", hdev->name, fw_name);
    ret = reject_firmware(&fw, fw_name, &hdev->dev);
    if (ret < 0) {
        BT_ERR("%s: Failed to load %s", hdev->name, fw_name);
        return ret;
    }

    ret = rtl8723b_parse_firmware(hdev, lmp_subver, fw, &fw_data);
    if (ret < 0)
        goto out;

    ret = rtl_download_firmware(hdev, fw_data, ret);
    kfree(fw_data);
    if (ret < 0)
        goto out;

out:
    release_firmware(fw);
    return ret;
}

Example #2

File: btrtl.c Project: 01org/thunderbolt-software-kernel-tree

static int btrtl_setup_rtl8723b(struct hci_dev *hdev, u16 lmp_subver,
				const char *fw_name)
{
	unsigned char *fw_data = NULL;
	const struct firmware *fw;
	int ret;
	int cfg_sz;
	u8 *cfg_buff = NULL;
	u8 *tbuff;
	char *cfg_name = NULL;
	bool config_needed = false;

	switch (lmp_subver) {
	case RTL_ROM_LMP_8723B:
		cfg_name = "rtl_bt/rtl8723b_config.bin";
		break;
	case RTL_ROM_LMP_8821A:
		cfg_name = "rtl_bt/rtl8821a_config.bin";
		break;
	case RTL_ROM_LMP_8761A:
		cfg_name = "rtl_bt/rtl8761a_config.bin";
		break;
	case RTL_ROM_LMP_8822B:
		cfg_name = "rtl_bt/rtl8822b_config.bin";
		config_needed = true;
		break;
	default:
		BT_ERR("%s: rtl: no config according to lmp_subver %04x",
		       hdev->name, lmp_subver);
		break;
	}

	if (cfg_name) {
		cfg_sz = rtl_load_config(hdev, cfg_name, &cfg_buff);
		if (cfg_sz < 0) {
			cfg_sz = 0;
			if (config_needed)
				BT_ERR("Necessary config file %s not found\n",
				       cfg_name);
		}
	} else
		cfg_sz = 0;

	BT_INFO("%s: rtl: loading %s", hdev->name, fw_name);
	ret = request_firmware(&fw, fw_name, &hdev->dev);
	if (ret < 0) {
		BT_ERR("%s: Failed to load %s", hdev->name, fw_name);
		goto err_req_fw;
	}

	ret = rtl8723b_parse_firmware(hdev, lmp_subver, fw, &fw_data);
	if (ret < 0)
		goto out;

	if (cfg_sz) {
		tbuff = kzalloc(ret + cfg_sz, GFP_KERNEL);
		if (!tbuff) {
			ret = -ENOMEM;
			goto out;
		}

		memcpy(tbuff, fw_data, ret);
		kfree(fw_data);

		memcpy(tbuff + ret, cfg_buff, cfg_sz);
		ret += cfg_sz;

		fw_data = tbuff;
	}

	BT_INFO("cfg_sz %d, total size %d", cfg_sz, ret);

	ret = rtl_download_firmware(hdev, fw_data, ret);

out:
	release_firmware(fw);
	kfree(fw_data);
err_req_fw:
	if (cfg_sz)
		kfree(cfg_buff);
	return ret;
}