2015-08-10 21:24:12 +00:00
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/*
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* Bluetooth supports for Qualcomm Atheros chips
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*
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* Copyright (c) 2015 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/module.h>
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#include <linux/firmware.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#include "btqca.h"
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#define VERSION "0.1"
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2018-08-03 12:16:27 +00:00
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int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
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2015-08-10 21:24:12 +00:00
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{
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struct sk_buff *skb;
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struct edl_event_hdr *edl;
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struct rome_version *ver;
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char cmd;
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int err = 0;
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2018-08-03 12:16:27 +00:00
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bt_dev_dbg(hdev, "QCA Version Request");
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2015-08-10 21:24:12 +00:00
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cmd = EDL_PATCH_VER_REQ_CMD;
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skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
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2018-08-06 15:58:40 +00:00
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&cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
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2015-08-10 21:24:12 +00:00
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if (IS_ERR(skb)) {
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err = PTR_ERR(skb);
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "Reading QCA version information failed (%d)",
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err);
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2015-08-10 21:24:12 +00:00
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return err;
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}
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if (skb->len != sizeof(*edl) + sizeof(*ver)) {
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
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2015-08-10 21:24:12 +00:00
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err = -EILSEQ;
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goto out;
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}
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edl = (struct edl_event_hdr *)(skb->data);
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2016-09-06 12:15:49 +00:00
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if (!edl) {
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "QCA TLV with no header");
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2015-08-10 21:24:12 +00:00
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err = -EILSEQ;
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goto out;
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}
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if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
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edl->rtype != EDL_APP_VER_RES_EVT) {
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
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edl->rtype);
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2015-08-10 21:24:12 +00:00
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err = -EIO;
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goto out;
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}
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ver = (struct rome_version *)(edl->data);
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BT_DBG("%s: Product:0x%08x", hdev->name, le32_to_cpu(ver->product_id));
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BT_DBG("%s: Patch :0x%08x", hdev->name, le16_to_cpu(ver->patch_ver));
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BT_DBG("%s: ROM :0x%08x", hdev->name, le16_to_cpu(ver->rome_ver));
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BT_DBG("%s: SOC :0x%08x", hdev->name, le32_to_cpu(ver->soc_id));
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2018-08-03 12:16:27 +00:00
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/* QCA chipset version can be decided by patch and SoC
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2015-08-10 21:24:12 +00:00
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* version, combination with upper 2 bytes from SoC
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* and lower 2 bytes from patch will be used.
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*/
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2018-08-03 12:16:27 +00:00
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*soc_version = (le32_to_cpu(ver->soc_id) << 16) |
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2017-07-06 20:35:32 +00:00
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(le16_to_cpu(ver->rome_ver) & 0x0000ffff);
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2018-08-03 12:16:28 +00:00
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if (*soc_version == 0)
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err = -EILSEQ;
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2015-08-10 21:24:12 +00:00
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out:
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kfree_skb(skb);
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2018-08-03 12:16:28 +00:00
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if (err)
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bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
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2015-08-10 21:24:12 +00:00
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return err;
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}
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2018-08-03 12:16:27 +00:00
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EXPORT_SYMBOL_GPL(qca_read_soc_version);
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2015-08-10 21:24:12 +00:00
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2018-08-03 12:16:27 +00:00
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static int qca_send_reset(struct hci_dev *hdev)
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2015-08-10 21:24:12 +00:00
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{
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struct sk_buff *skb;
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int err;
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2018-08-03 12:16:27 +00:00
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bt_dev_dbg(hdev, "QCA HCI_RESET");
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2015-08-10 21:24:12 +00:00
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skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
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if (IS_ERR(skb)) {
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err = PTR_ERR(skb);
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "QCA Reset failed (%d)", err);
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2015-08-10 21:24:12 +00:00
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return err;
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}
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kfree_skb(skb);
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return 0;
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}
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2018-08-03 12:16:27 +00:00
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static void qca_tlv_check_data(struct rome_config *config,
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2015-08-10 21:24:12 +00:00
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const struct firmware *fw)
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{
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const u8 *data;
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u32 type_len;
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u16 tag_id, tag_len;
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int idx, length;
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struct tlv_type_hdr *tlv;
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struct tlv_type_patch *tlv_patch;
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struct tlv_type_nvm *tlv_nvm;
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tlv = (struct tlv_type_hdr *)fw->data;
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type_len = le32_to_cpu(tlv->type_len);
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length = (type_len >> 8) & 0x00ffffff;
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BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
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BT_DBG("Length\t\t : %d bytes", length);
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2018-04-26 11:13:27 +00:00
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config->dnld_mode = ROME_SKIP_EVT_NONE;
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2015-08-10 21:24:12 +00:00
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switch (config->type) {
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case TLV_TYPE_PATCH:
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tlv_patch = (struct tlv_type_patch *)tlv->data;
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2018-04-26 11:13:27 +00:00
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/* For Rome version 1.1 to 3.1, all segment commands
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* are acked by a vendor specific event (VSE).
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* For Rome >= 3.2, the download mode field indicates
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* if VSE is skipped by the controller.
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* In case VSE is skipped, only the last segment is acked.
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*/
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config->dnld_mode = tlv_patch->download_mode;
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BT_DBG("Total Length : %d bytes",
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2015-08-10 21:24:12 +00:00
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le32_to_cpu(tlv_patch->total_size));
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2018-04-26 11:13:27 +00:00
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BT_DBG("Patch Data Length : %d bytes",
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2015-08-10 21:24:12 +00:00
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le32_to_cpu(tlv_patch->data_length));
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BT_DBG("Signing Format Version : 0x%x",
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tlv_patch->format_version);
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2018-04-26 11:13:27 +00:00
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BT_DBG("Signature Algorithm : 0x%x",
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2015-08-10 21:24:12 +00:00
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tlv_patch->signature);
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2018-04-26 11:13:27 +00:00
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BT_DBG("Download mode : 0x%x",
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tlv_patch->download_mode);
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BT_DBG("Reserved : 0x%x",
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tlv_patch->reserved1);
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BT_DBG("Product ID : 0x%04x",
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2015-08-10 21:24:12 +00:00
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le16_to_cpu(tlv_patch->product_id));
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2018-04-26 11:13:27 +00:00
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BT_DBG("Rom Build Version : 0x%04x",
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2015-08-10 21:24:12 +00:00
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le16_to_cpu(tlv_patch->rom_build));
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2018-04-26 11:13:27 +00:00
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BT_DBG("Patch Version : 0x%04x",
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2015-08-10 21:24:12 +00:00
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le16_to_cpu(tlv_patch->patch_version));
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2018-04-26 11:13:27 +00:00
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BT_DBG("Reserved : 0x%x",
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2015-08-10 21:24:12 +00:00
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le16_to_cpu(tlv_patch->reserved2));
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2018-04-26 11:13:27 +00:00
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BT_DBG("Patch Entry Address : 0x%x",
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2015-08-10 21:24:12 +00:00
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le32_to_cpu(tlv_patch->entry));
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break;
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case TLV_TYPE_NVM:
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idx = 0;
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data = tlv->data;
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while (idx < length) {
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tlv_nvm = (struct tlv_type_nvm *)(data + idx);
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tag_id = le16_to_cpu(tlv_nvm->tag_id);
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tag_len = le16_to_cpu(tlv_nvm->tag_len);
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/* Update NVM tags as needed */
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switch (tag_id) {
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case EDL_TAG_ID_HCI:
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/* HCI transport layer parameters
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* enabling software inband sleep
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* onto controller side.
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*/
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tlv_nvm->data[0] |= 0x80;
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/* UART Baud Rate */
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tlv_nvm->data[2] = config->user_baud_rate;
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break;
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case EDL_TAG_ID_DEEP_SLEEP:
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/* Sleep enable mask
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* enabling deep sleep feature on controller.
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*/
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tlv_nvm->data[0] |= 0x01;
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break;
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}
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idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
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}
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break;
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default:
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BT_ERR("Unknown TLV type %d", config->type);
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break;
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}
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}
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2018-08-03 12:16:27 +00:00
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static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
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2018-04-26 11:13:27 +00:00
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const u8 *data, enum rome_tlv_dnld_mode mode)
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2015-08-10 21:24:12 +00:00
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{
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struct sk_buff *skb;
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struct edl_event_hdr *edl;
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struct tlv_seg_resp *tlv_resp;
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u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
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int err = 0;
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cmd[0] = EDL_PATCH_TLV_REQ_CMD;
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cmd[1] = seg_size;
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memcpy(cmd + 2, data, seg_size);
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2018-04-26 11:13:27 +00:00
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if (mode == ROME_SKIP_EVT_VSE_CC || mode == ROME_SKIP_EVT_VSE)
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return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
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cmd);
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2015-08-10 21:24:12 +00:00
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skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
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2018-08-06 15:58:40 +00:00
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HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
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2015-08-10 21:24:12 +00:00
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if (IS_ERR(skb)) {
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err = PTR_ERR(skb);
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
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2015-08-10 21:24:12 +00:00
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return err;
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}
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if (skb->len != sizeof(*edl) + sizeof(*tlv_resp)) {
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "QCA TLV response size mismatch");
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2015-08-10 21:24:12 +00:00
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err = -EILSEQ;
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goto out;
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}
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edl = (struct edl_event_hdr *)(skb->data);
|
2016-09-06 12:15:49 +00:00
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if (!edl) {
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "TLV with no header");
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2015-08-10 21:24:12 +00:00
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err = -EILSEQ;
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goto out;
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}
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tlv_resp = (struct tlv_seg_resp *)(edl->data);
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if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
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edl->rtype != EDL_TVL_DNLD_RES_EVT || tlv_resp->result != 0x00) {
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2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
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edl->cresp, edl->rtype, tlv_resp->result);
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2015-08-10 21:24:12 +00:00
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err = -EIO;
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}
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out:
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kfree_skb(skb);
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return err;
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}
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|
2018-08-03 12:16:27 +00:00
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static int qca_download_firmware(struct hci_dev *hdev,
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2015-08-10 21:24:12 +00:00
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struct rome_config *config)
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{
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const struct firmware *fw;
|
2018-04-26 11:13:27 +00:00
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const u8 *segment;
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int ret, remain, i = 0;
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2015-08-10 21:24:12 +00:00
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|
2018-08-03 12:16:27 +00:00
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bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
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2015-08-10 21:24:12 +00:00
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ret = request_firmware(&fw, config->fwname, &hdev->dev);
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if (ret) {
|
2018-08-03 12:16:27 +00:00
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bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
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config->fwname, ret);
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2015-08-10 21:24:12 +00:00
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return ret;
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}
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|
2018-08-03 12:16:27 +00:00
|
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qca_tlv_check_data(config, fw);
|
2015-08-10 21:24:12 +00:00
|
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|
2018-04-26 11:13:27 +00:00
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segment = fw->data;
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remain = fw->size;
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while (remain > 0) {
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int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
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bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);
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remain -= segsize;
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/* The last segment is always acked regardless download mode */
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if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
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config->dnld_mode = ROME_SKIP_EVT_NONE;
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|
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|
2018-08-03 12:16:27 +00:00
|
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ret = qca_tlv_send_segment(hdev, segsize, segment,
|
2018-04-26 11:13:27 +00:00
|
|
|
config->dnld_mode);
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if (ret)
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break;
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segment += segsize;
|
2015-08-10 21:24:12 +00:00
|
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|
}
|
|
|
|
|
|
|
|
release_firmware(fw);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb;
|
|
|
|
u8 cmd[9];
|
|
|
|
int err;
|
|
|
|
|
|
|
|
cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
|
|
|
|
cmd[1] = 0x02; /* TAG ID */
|
|
|
|
cmd[2] = sizeof(bdaddr_t); /* size */
|
|
|
|
memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
|
|
|
|
skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
|
2018-08-06 15:58:40 +00:00
|
|
|
HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
|
2015-08-10 21:24:12 +00:00
|
|
|
if (IS_ERR(skb)) {
|
|
|
|
err = PTR_ERR(skb);
|
2018-08-03 12:16:27 +00:00
|
|
|
bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
|
2015-08-10 21:24:12 +00:00
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
kfree_skb(skb);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
|
|
|
|
|
2018-08-03 12:16:28 +00:00
|
|
|
int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
|
|
|
|
enum qca_btsoc_type soc_type, u32 soc_ver)
|
2015-08-10 21:24:12 +00:00
|
|
|
{
|
|
|
|
struct rome_config config;
|
|
|
|
int err;
|
2019-04-26 13:56:01 +00:00
|
|
|
u8 rom_ver = 0;
|
2015-08-10 21:24:12 +00:00
|
|
|
|
2018-08-03 12:16:27 +00:00
|
|
|
bt_dev_dbg(hdev, "QCA setup on UART");
|
2015-08-10 21:24:12 +00:00
|
|
|
|
|
|
|
config.user_baud_rate = baudrate;
|
|
|
|
|
|
|
|
/* Download rampatch file */
|
|
|
|
config.type = TLV_TYPE_PATCH;
|
2019-04-26 13:56:01 +00:00
|
|
|
if (qca_is_wcn399x(soc_type)) {
|
2018-08-03 12:16:31 +00:00
|
|
|
/* Firmware files to download are based on ROM version.
|
|
|
|
* ROM version is derived from last two bytes of soc_ver.
|
|
|
|
*/
|
|
|
|
rom_ver = ((soc_ver & 0x00000f00) >> 0x04) |
|
|
|
|
(soc_ver & 0x0000000f);
|
|
|
|
snprintf(config.fwname, sizeof(config.fwname),
|
|
|
|
"qca/crbtfw%02x.tlv", rom_ver);
|
|
|
|
} else {
|
|
|
|
snprintf(config.fwname, sizeof(config.fwname),
|
|
|
|
"qca/rampatch_%08x.bin", soc_ver);
|
|
|
|
}
|
|
|
|
|
2018-08-03 12:16:27 +00:00
|
|
|
err = qca_download_firmware(hdev, &config);
|
2015-08-10 21:24:12 +00:00
|
|
|
if (err < 0) {
|
2018-08-03 12:16:27 +00:00
|
|
|
bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
|
2015-08-10 21:24:12 +00:00
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Download NVM configuration */
|
|
|
|
config.type = TLV_TYPE_NVM;
|
2019-04-26 13:56:01 +00:00
|
|
|
if (qca_is_wcn399x(soc_type))
|
2018-08-03 12:16:31 +00:00
|
|
|
snprintf(config.fwname, sizeof(config.fwname),
|
|
|
|
"qca/crnv%02x.bin", rom_ver);
|
|
|
|
else
|
|
|
|
snprintf(config.fwname, sizeof(config.fwname),
|
|
|
|
"qca/nvm_%08x.bin", soc_ver);
|
|
|
|
|
2018-08-03 12:16:27 +00:00
|
|
|
err = qca_download_firmware(hdev, &config);
|
2015-08-10 21:24:12 +00:00
|
|
|
if (err < 0) {
|
2018-08-03 12:16:27 +00:00
|
|
|
bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
|
2015-08-10 21:24:12 +00:00
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Perform HCI reset */
|
2018-08-03 12:16:27 +00:00
|
|
|
err = qca_send_reset(hdev);
|
2015-08-10 21:24:12 +00:00
|
|
|
if (err < 0) {
|
2018-08-03 12:16:27 +00:00
|
|
|
bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
|
2015-08-10 21:24:12 +00:00
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
2018-08-03 12:16:27 +00:00
|
|
|
bt_dev_info(hdev, "QCA setup on UART is completed");
|
2015-08-10 21:24:12 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2018-08-03 12:16:27 +00:00
|
|
|
EXPORT_SYMBOL_GPL(qca_uart_setup);
|
2015-08-10 21:24:12 +00:00
|
|
|
|
2019-01-16 12:31:15 +00:00
|
|
|
int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
|
|
|
|
HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
|
|
|
|
if (IS_ERR(skb)) {
|
|
|
|
err = PTR_ERR(skb);
|
|
|
|
bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
kfree_skb(skb);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(qca_set_bdaddr);
|
|
|
|
|
2019-04-26 13:56:01 +00:00
|
|
|
|
2015-08-10 21:24:12 +00:00
|
|
|
MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
|
|
|
|
MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
|
|
|
|
MODULE_VERSION(VERSION);
|
|
|
|
MODULE_LICENSE("GPL");
|