Bluetooth: btqca: Introduce generic QCA ROME support
This is for supporting BT for QCA ROME with vendor specific HCI commands and initialization on the chip. This will have USB/UART implementation both, but for now, adding UART vendor specific commands to patch downloading and set Bluetooth device address using vendor specific command. Signed-off-by: Ben Young Tae Kim <ytkim@qca.qualcomm.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Ben Young Tae Kim
Marcel Holtmann
parent
fa14222077
commit
83e81961ff
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@ -13,6 +13,10 @@ config BT_RTL
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tristate
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tristate
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select FW_LOADER
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select FW_LOADER
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config BT_QCA
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tristate
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select FW_LOADER
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config BT_HCIBTUSB
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config BT_HCIBTUSB
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tristate "HCI USB driver"
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tristate "HCI USB driver"
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depends on USB
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depends on USB
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@ -22,6 +22,7 @@ obj-$(CONFIG_BT_MRVL_SDIO) += btmrvl_sdio.o
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obj-$(CONFIG_BT_WILINK) += btwilink.o
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obj-$(CONFIG_BT_WILINK) += btwilink.o
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obj-$(CONFIG_BT_BCM) += btbcm.o
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obj-$(CONFIG_BT_BCM) += btbcm.o
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obj-$(CONFIG_BT_RTL) += btrtl.o
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obj-$(CONFIG_BT_RTL) += btrtl.o
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obj-$(CONFIG_BT_QCA) += btqca.o
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btmrvl-y := btmrvl_main.o
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btmrvl-y := btmrvl_main.o
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btmrvl-$(CONFIG_DEBUG_FS) += btmrvl_debugfs.o
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btmrvl-$(CONFIG_DEBUG_FS) += btmrvl_debugfs.o
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@ -0,0 +1,392 @@
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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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static int rome_patch_ver_req(struct hci_dev *hdev, u32 *rome_version)
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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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BT_DBG("%s: ROME Patch Version Request", hdev->name);
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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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&cmd, HCI_VENDOR_PKT, HCI_INIT_TIMEOUT);
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if (IS_ERR(skb)) {
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err = PTR_ERR(skb);
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BT_ERR("%s: Failed to read version of ROME (%d)", hdev->name,
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err);
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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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BT_ERR("%s: Version size mismatch len %d", hdev->name,
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skb->len);
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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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if (!edl || !edl->data) {
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BT_ERR("%s: TLV with no header or no data", hdev->name);
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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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BT_ERR("%s: Wrong packet received %d %d", hdev->name,
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edl->cresp, edl->rtype);
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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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/* ROME chipset version can be decided by patch and SoC
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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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*rome_version = (le32_to_cpu(ver->soc_id) << 16) |
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(le16_to_cpu(ver->rome_ver) & 0x0000ffff);
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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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static int rome_reset(struct hci_dev *hdev)
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{
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struct sk_buff *skb;
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int err;
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BT_DBG("%s: ROME HCI_RESET", hdev->name);
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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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BT_ERR("%s: Reset failed (%d)", hdev->name, err);
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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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static void rome_tlv_check_data(struct rome_config *config,
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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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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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BT_DBG("Total Length\t\t : %d bytes",
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le32_to_cpu(tlv_patch->total_size));
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BT_DBG("Patch Data Length\t : %d bytes",
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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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BT_DBG("Signature Algorithm\t : 0x%x",
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tlv_patch->signature);
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BT_DBG("Reserved\t\t : 0x%x",
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le16_to_cpu(tlv_patch->reserved1));
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BT_DBG("Product ID\t\t : 0x%04x",
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le16_to_cpu(tlv_patch->product_id));
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BT_DBG("Rom Build Version\t : 0x%04x",
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le16_to_cpu(tlv_patch->rom_build));
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BT_DBG("Patch Version\t\t : 0x%04x",
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le16_to_cpu(tlv_patch->patch_version));
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BT_DBG("Reserved\t\t : 0x%x",
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le16_to_cpu(tlv_patch->reserved2));
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BT_DBG("Patch Entry Address\t : 0x%x",
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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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static int rome_tlv_send_segment(struct hci_dev *hdev, int idx, int seg_size,
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const u8 *data)
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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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BT_DBG("%s: Download segment #%d size %d", hdev->name, idx, seg_size);
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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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skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
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HCI_VENDOR_PKT, HCI_INIT_TIMEOUT);
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if (IS_ERR(skb)) {
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err = PTR_ERR(skb);
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BT_ERR("%s: Failed to send TLV segment (%d)", hdev->name, err);
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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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BT_ERR("%s: TLV response size mismatch", hdev->name);
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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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if (!edl || !edl->data) {
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BT_ERR("%s: TLV with no header or no data", hdev->name);
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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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BT_ERR("%s: TLV with error stat 0x%x rtype 0x%x (0x%x)",
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hdev->name, edl->cresp, edl->rtype, tlv_resp->result);
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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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static int rome_tlv_download_request(struct hci_dev *hdev,
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const struct firmware *fw)
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{
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const u8 *buffer, *data;
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int total_segment, remain_size;
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int ret, i;
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if (!fw || !fw->data)
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return -EINVAL;
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total_segment = fw->size / MAX_SIZE_PER_TLV_SEGMENT;
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remain_size = fw->size % MAX_SIZE_PER_TLV_SEGMENT;
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BT_DBG("%s: Total segment num %d remain size %d total size %zu",
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hdev->name, total_segment, remain_size, fw->size);
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data = fw->data;
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for (i = 0; i < total_segment; i++) {
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buffer = data + i * MAX_SIZE_PER_TLV_SEGMENT;
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ret = rome_tlv_send_segment(hdev, i, MAX_SIZE_PER_TLV_SEGMENT,
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buffer);
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if (ret < 0)
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return -EIO;
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}
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if (remain_size) {
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buffer = data + total_segment * MAX_SIZE_PER_TLV_SEGMENT;
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ret = rome_tlv_send_segment(hdev, total_segment, remain_size,
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buffer);
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if (ret < 0)
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return -EIO;
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}
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return 0;
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}
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static int rome_download_firmware(struct hci_dev *hdev,
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struct rome_config *config)
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{
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const struct firmware *fw;
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int ret;
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BT_INFO("%s: ROME Downloading %s", hdev->name, config->fwname);
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ret = request_firmware(&fw, config->fwname, &hdev->dev);
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if (ret) {
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BT_ERR("%s: Failed to request file: %s (%d)", hdev->name,
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config->fwname, ret);
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return ret;
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}
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rome_tlv_check_data(config, fw);
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ret = rome_tlv_download_request(hdev, fw);
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if (ret) {
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BT_ERR("%s: Failed to download file: %s (%d)", hdev->name,
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config->fwname, ret);
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}
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release_firmware(fw);
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return ret;
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}
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int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
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{
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struct sk_buff *skb;
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u8 cmd[9];
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int err;
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cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
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cmd[1] = 0x02; /* TAG ID */
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cmd[2] = sizeof(bdaddr_t); /* size */
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memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
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skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
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HCI_VENDOR_PKT, HCI_INIT_TIMEOUT);
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if (IS_ERR(skb)) {
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err = PTR_ERR(skb);
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BT_ERR("%s: Change address command failed (%d)",
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hdev->name, err);
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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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EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
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int qca_uart_setup_rome(struct hci_dev *hdev, uint8_t baudrate)
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{
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u32 rome_ver = 0;
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struct rome_config config;
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int err;
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BT_DBG("%s: ROME setup on UART", hdev->name);
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||||||
|
config.user_baud_rate = baudrate;
|
||||||
|
|
||||||
|
/* Get ROME version information */
|
||||||
|
err = rome_patch_ver_req(hdev, &rome_ver);
|
||||||
|
if (err < 0 || rome_ver == 0) {
|
||||||
|
BT_ERR("%s: Failed to get version 0x%x", hdev->name, err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
BT_INFO("%s: ROME controller version 0x%08x", hdev->name, rome_ver);
|
||||||
|
|
||||||
|
/* Download rampatch file */
|
||||||
|
config.type = TLV_TYPE_PATCH;
|
||||||
|
snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin",
|
||||||
|
rome_ver);
|
||||||
|
err = rome_download_firmware(hdev, &config);
|
||||||
|
if (err < 0) {
|
||||||
|
BT_ERR("%s: Failed to download patch (%d)", hdev->name, err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Download NVM configuration */
|
||||||
|
config.type = TLV_TYPE_NVM;
|
||||||
|
snprintf(config.fwname, sizeof(config.fwname), "qca/nvm_%08x.bin",
|
||||||
|
rome_ver);
|
||||||
|
err = rome_download_firmware(hdev, &config);
|
||||||
|
if (err < 0) {
|
||||||
|
BT_ERR("%s: Failed to download NVM (%d)", hdev->name, err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Perform HCI reset */
|
||||||
|
err = rome_reset(hdev);
|
||||||
|
if (err < 0) {
|
||||||
|
BT_ERR("%s: Failed to run HCI_RESET (%d)", hdev->name, err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
BT_INFO("%s: ROME setup on UART is completed", hdev->name);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(qca_uart_setup_rome);
|
||||||
|
|
||||||
|
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");
|
||||||
|
|
@ -0,0 +1,135 @@
|
||||||
|
/*
|
||||||
|
* Bluetooth supports for Qualcomm Atheros ROME chips
|
||||||
|
*
|
||||||
|
* Copyright (c) 2015 The Linux Foundation. All rights reserved.
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License version 2
|
||||||
|
* as published by the Free Software Foundation
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define EDL_PATCH_CMD_OPCODE (0xFC00)
|
||||||
|
#define EDL_NVM_ACCESS_OPCODE (0xFC0B)
|
||||||
|
#define EDL_PATCH_CMD_LEN (1)
|
||||||
|
#define EDL_PATCH_VER_REQ_CMD (0x19)
|
||||||
|
#define EDL_PATCH_TLV_REQ_CMD (0x1E)
|
||||||
|
#define EDL_NVM_ACCESS_SET_REQ_CMD (0x01)
|
||||||
|
#define MAX_SIZE_PER_TLV_SEGMENT (243)
|
||||||
|
|
||||||
|
#define EDL_CMD_REQ_RES_EVT (0x00)
|
||||||
|
#define EDL_PATCH_VER_RES_EVT (0x19)
|
||||||
|
#define EDL_APP_VER_RES_EVT (0x02)
|
||||||
|
#define EDL_TVL_DNLD_RES_EVT (0x04)
|
||||||
|
#define EDL_CMD_EXE_STATUS_EVT (0x00)
|
||||||
|
#define EDL_SET_BAUDRATE_RSP_EVT (0x92)
|
||||||
|
#define EDL_NVM_ACCESS_CODE_EVT (0x0B)
|
||||||
|
|
||||||
|
#define EDL_TAG_ID_HCI (17)
|
||||||
|
#define EDL_TAG_ID_DEEP_SLEEP (27)
|
||||||
|
|
||||||
|
enum qca_bardrate {
|
||||||
|
QCA_BAUDRATE_115200 = 0,
|
||||||
|
QCA_BAUDRATE_57600,
|
||||||
|
QCA_BAUDRATE_38400,
|
||||||
|
QCA_BAUDRATE_19200,
|
||||||
|
QCA_BAUDRATE_9600,
|
||||||
|
QCA_BAUDRATE_230400,
|
||||||
|
QCA_BAUDRATE_250000,
|
||||||
|
QCA_BAUDRATE_460800,
|
||||||
|
QCA_BAUDRATE_500000,
|
||||||
|
QCA_BAUDRATE_720000,
|
||||||
|
QCA_BAUDRATE_921600,
|
||||||
|
QCA_BAUDRATE_1000000,
|
||||||
|
QCA_BAUDRATE_1250000,
|
||||||
|
QCA_BAUDRATE_2000000,
|
||||||
|
QCA_BAUDRATE_3000000,
|
||||||
|
QCA_BAUDRATE_4000000,
|
||||||
|
QCA_BAUDRATE_1600000,
|
||||||
|
QCA_BAUDRATE_3200000,
|
||||||
|
QCA_BAUDRATE_3500000,
|
||||||
|
QCA_BAUDRATE_AUTO = 0xFE,
|
||||||
|
QCA_BAUDRATE_RESERVED
|
||||||
|
};
|
||||||
|
|
||||||
|
enum rome_tlv_type {
|
||||||
|
TLV_TYPE_PATCH = 1,
|
||||||
|
TLV_TYPE_NVM
|
||||||
|
};
|
||||||
|
|
||||||
|
struct rome_config {
|
||||||
|
u8 type;
|
||||||
|
char fwname[64];
|
||||||
|
uint8_t user_baud_rate;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct edl_event_hdr {
|
||||||
|
__u8 cresp;
|
||||||
|
__u8 rtype;
|
||||||
|
__u8 data[0];
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
struct rome_version {
|
||||||
|
__le32 product_id;
|
||||||
|
__le16 patch_ver;
|
||||||
|
__le16 rome_ver;
|
||||||
|
__le32 soc_id;
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
struct tlv_seg_resp {
|
||||||
|
__u8 result;
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
struct tlv_type_patch {
|
||||||
|
__le32 total_size;
|
||||||
|
__le32 data_length;
|
||||||
|
__u8 format_version;
|
||||||
|
__u8 signature;
|
||||||
|
__le16 reserved1;
|
||||||
|
__le16 product_id;
|
||||||
|
__le16 rom_build;
|
||||||
|
__le16 patch_version;
|
||||||
|
__le16 reserved2;
|
||||||
|
__le32 entry;
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
struct tlv_type_nvm {
|
||||||
|
__le16 tag_id;
|
||||||
|
__le16 tag_len;
|
||||||
|
__le32 reserve1;
|
||||||
|
__le32 reserve2;
|
||||||
|
__u8 data[0];
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
struct tlv_type_hdr {
|
||||||
|
__le32 type_len;
|
||||||
|
__u8 data[0];
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
#if IS_ENABLED(CONFIG_BT_QCA)
|
||||||
|
|
||||||
|
int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
|
||||||
|
int qca_uart_setup_rome(struct hci_dev *hdev, uint8_t baudrate);
|
||||||
|
|
||||||
|
#else
|
||||||
|
|
||||||
|
static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
|
||||||
|
{
|
||||||
|
return -EOPNOTSUPP;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int qca_uart_setup_rome(struct hci_dev *hdev, int speed)
|
||||||
|
{
|
||||||
|
return -EOPNOTSUPP;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif
|
||||||
Loading…
Reference in New Issue