From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/drivers/bluetooth/btqca.c | 273 +++++++++++++++++++++++++++++++++++++++++++----------
1 files changed, 219 insertions(+), 54 deletions(-)
diff --git a/kernel/drivers/bluetooth/btqca.c b/kernel/drivers/bluetooth/btqca.c
index 9e70f7c..7551cac 100644
--- a/kernel/drivers/bluetooth/btqca.c
+++ b/kernel/drivers/bluetooth/btqca.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Bluetooth supports for Qualcomm Atheros 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
- *
*/
#include <linux/module.h>
#include <linux/firmware.h>
@@ -27,19 +14,33 @@
#define VERSION "0.1"
-int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version)
+int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version,
+ enum qca_btsoc_type soc_type)
{
struct sk_buff *skb;
struct edl_event_hdr *edl;
- struct rome_version *ver;
+ struct qca_btsoc_version *ver;
char cmd;
int err = 0;
+ u8 event_type = HCI_EV_VENDOR;
+ u8 rlen = sizeof(*edl) + sizeof(*ver);
+ u8 rtype = EDL_APP_VER_RES_EVT;
bt_dev_dbg(hdev, "QCA Version Request");
+ /* Unlike other SoC's sending version command response as payload to
+ * VSE event. WCN3991 sends version command response as a payload to
+ * command complete event.
+ */
+ if (soc_type >= QCA_WCN3991) {
+ event_type = 0;
+ rlen += 1;
+ rtype = EDL_PATCH_VER_REQ_CMD;
+ }
+
cmd = EDL_PATCH_VER_REQ_CMD;
skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
- &cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
+ &cmd, event_type, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
bt_dev_err(hdev, "Reading QCA version information failed (%d)",
@@ -47,7 +48,7 @@
return err;
}
- if (skb->len != sizeof(*edl) + sizeof(*ver)) {
+ if (skb->len != rlen) {
bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
err = -EILSEQ;
goto out;
@@ -61,26 +62,33 @@
}
if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
- edl->rtype != EDL_APP_VER_RES_EVT) {
+ edl->rtype != rtype) {
bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
edl->rtype);
err = -EIO;
goto out;
}
- ver = (struct rome_version *)(edl->data);
+ if (soc_type >= QCA_WCN3991)
+ memmove(&edl->data, &edl->data[1], sizeof(*ver));
- BT_DBG("%s: Product:0x%08x", hdev->name, le32_to_cpu(ver->product_id));
- BT_DBG("%s: Patch :0x%08x", hdev->name, le16_to_cpu(ver->patch_ver));
- BT_DBG("%s: ROM :0x%08x", hdev->name, le16_to_cpu(ver->rome_ver));
- BT_DBG("%s: SOC :0x%08x", hdev->name, le32_to_cpu(ver->soc_id));
+ ver = (struct qca_btsoc_version *)(edl->data);
+
+ bt_dev_info(hdev, "QCA Product ID :0x%08x",
+ le32_to_cpu(ver->product_id));
+ bt_dev_info(hdev, "QCA SOC Version :0x%08x",
+ le32_to_cpu(ver->soc_id));
+ bt_dev_info(hdev, "QCA ROM Version :0x%08x",
+ le16_to_cpu(ver->rom_ver));
+ bt_dev_info(hdev, "QCA Patch Version:0x%08x",
+ le16_to_cpu(ver->patch_ver));
/* QCA chipset version can be decided by patch and SoC
* version, combination with upper 2 bytes from SoC
* and lower 2 bytes from patch will be used.
*/
*soc_version = (le32_to_cpu(ver->soc_id) << 16) |
- (le16_to_cpu(ver->rome_ver) & 0x0000ffff);
+ (le16_to_cpu(ver->rom_ver) & 0x0000ffff);
if (*soc_version == 0)
err = -EILSEQ;
@@ -112,8 +120,30 @@
return 0;
}
-static void qca_tlv_check_data(struct rome_config *config,
- const struct firmware *fw)
+int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int err;
+
+ bt_dev_dbg(hdev, "QCA pre shutdown cmd");
+
+ skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,
+ NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
+
+static void qca_tlv_check_data(struct qca_fw_config *config,
+ u8 *fw_data, enum qca_btsoc_type soc_type)
{
const u8 *data;
u32 type_len;
@@ -122,8 +152,9 @@
struct tlv_type_hdr *tlv;
struct tlv_type_patch *tlv_patch;
struct tlv_type_nvm *tlv_nvm;
+ uint8_t nvm_baud_rate = config->user_baud_rate;
- tlv = (struct tlv_type_hdr *)fw->data;
+ tlv = (struct tlv_type_hdr *)fw_data;
type_len = le32_to_cpu(tlv->type_len);
length = (type_len >> 8) & 0x00ffffff;
@@ -131,7 +162,8 @@
BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
BT_DBG("Length\t\t : %d bytes", length);
- config->dnld_mode = ROME_SKIP_EVT_NONE;
+ config->dnld_mode = QCA_SKIP_EVT_NONE;
+ config->dnld_type = QCA_SKIP_EVT_NONE;
switch (config->type) {
case TLV_TYPE_PATCH:
@@ -144,6 +176,7 @@
* In case VSE is skipped, only the last segment is acked.
*/
config->dnld_mode = tlv_patch->download_mode;
+ config->dnld_type = config->dnld_mode;
BT_DBG("Total Length : %d bytes",
le32_to_cpu(tlv_patch->total_size));
@@ -188,7 +221,10 @@
tlv_nvm->data[0] |= 0x80;
/* UART Baud Rate */
- tlv_nvm->data[2] = config->user_baud_rate;
+ if (soc_type >= QCA_WCN3991)
+ tlv_nvm->data[1] = nvm_baud_rate;
+ else
+ tlv_nvm->data[2] = nvm_baud_rate;
break;
@@ -212,31 +248,45 @@
}
static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
- const u8 *data, enum rome_tlv_dnld_mode mode)
+ const u8 *data, enum qca_tlv_dnld_mode mode,
+ enum qca_btsoc_type soc_type)
{
struct sk_buff *skb;
struct edl_event_hdr *edl;
struct tlv_seg_resp *tlv_resp;
u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
int err = 0;
+ u8 event_type = HCI_EV_VENDOR;
+ u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp));
+ u8 rtype = EDL_TVL_DNLD_RES_EVT;
cmd[0] = EDL_PATCH_TLV_REQ_CMD;
cmd[1] = seg_size;
memcpy(cmd + 2, data, seg_size);
- if (mode == ROME_SKIP_EVT_VSE_CC || mode == ROME_SKIP_EVT_VSE)
+ if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE)
return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
cmd);
+ /* Unlike other SoC's sending version command response as payload to
+ * VSE event. WCN3991 sends version command response as a payload to
+ * command complete event.
+ */
+ if (soc_type >= QCA_WCN3991) {
+ event_type = 0;
+ rlen = sizeof(*edl);
+ rtype = EDL_PATCH_TLV_REQ_CMD;
+ }
+
skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
- HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
+ event_type, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
return err;
}
- if (skb->len != sizeof(*edl) + sizeof(*tlv_resp)) {
+ if (skb->len != rlen) {
bt_dev_err(hdev, "QCA TLV response size mismatch");
err = -EILSEQ;
goto out;
@@ -249,13 +299,19 @@
goto out;
}
- tlv_resp = (struct tlv_seg_resp *)(edl->data);
+ if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) {
+ bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",
+ edl->cresp, edl->rtype);
+ err = -EIO;
+ }
- if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
- edl->rtype != EDL_TVL_DNLD_RES_EVT || tlv_resp->result != 0x00) {
+ if (soc_type >= QCA_WCN3991)
+ goto out;
+
+ tlv_resp = (struct tlv_seg_resp *)(edl->data);
+ if (tlv_resp->result) {
bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
edl->cresp, edl->rtype, tlv_resp->result);
- err = -EIO;
}
out:
@@ -264,12 +320,39 @@
return err;
}
+static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
+{
+ struct hci_event_hdr *hdr;
+ struct hci_ev_cmd_complete *evt;
+ struct sk_buff *skb;
+
+ skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr = skb_put(skb, sizeof(*hdr));
+ hdr->evt = HCI_EV_CMD_COMPLETE;
+ hdr->plen = sizeof(*evt) + 1;
+
+ evt = skb_put(skb, sizeof(*evt));
+ evt->ncmd = 1;
+ evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);
+
+ skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
+
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
+
+ return hci_recv_frame(hdev, skb);
+}
+
static int qca_download_firmware(struct hci_dev *hdev,
- struct rome_config *config)
+ struct qca_fw_config *config,
+ enum qca_btsoc_type soc_type)
{
const struct firmware *fw;
+ u8 *data;
const u8 *segment;
- int ret, remain, i = 0;
+ int ret, size, remain, i = 0;
bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
@@ -280,10 +363,22 @@
return ret;
}
- qca_tlv_check_data(config, fw);
+ size = fw->size;
+ data = vmalloc(fw->size);
+ if (!data) {
+ bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",
+ config->fwname);
+ release_firmware(fw);
+ return -ENOMEM;
+ }
- segment = fw->data;
- remain = fw->size;
+ memcpy(data, fw->data, size);
+ release_firmware(fw);
+
+ qca_tlv_check_data(config, data, soc_type);
+
+ segment = data;
+ remain = size;
while (remain > 0) {
int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
@@ -292,19 +387,51 @@
remain -= segsize;
/* The last segment is always acked regardless download mode */
if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
- config->dnld_mode = ROME_SKIP_EVT_NONE;
+ config->dnld_mode = QCA_SKIP_EVT_NONE;
ret = qca_tlv_send_segment(hdev, segsize, segment,
- config->dnld_mode);
+ config->dnld_mode, soc_type);
if (ret)
- break;
+ goto out;
segment += segsize;
}
- release_firmware(fw);
+ /* Latest qualcomm chipsets are not sending a command complete event
+ * for every fw packet sent. They only respond with a vendor specific
+ * event for the last packet. This optimization in the chip will
+ * decrease the BT in initialization time. Here we will inject a command
+ * complete event to avoid a command timeout error message.
+ */
+ if (config->dnld_type == QCA_SKIP_EVT_VSE_CC ||
+ config->dnld_type == QCA_SKIP_EVT_VSE)
+ ret = qca_inject_cmd_complete_event(hdev);
+
+out:
+ vfree(data);
return ret;
+}
+
+static int qca_disable_soc_logging(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ u8 cmd[2];
+ int err;
+
+ cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;
+ cmd[1] = 0x00;
+ skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,
+ HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
}
int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
@@ -332,11 +459,12 @@
EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
- enum qca_btsoc_type soc_type, u32 soc_ver)
+ enum qca_btsoc_type soc_type, u32 soc_ver,
+ const char *firmware_name)
{
- struct rome_config config;
+ struct qca_fw_config config;
int err;
- u8 rom_ver;
+ u8 rom_ver = 0;
bt_dev_dbg(hdev, "QCA setup on UART");
@@ -344,7 +472,7 @@
/* Download rampatch file */
config.type = TLV_TYPE_PATCH;
- if (soc_type == QCA_WCN3990) {
+ if (qca_is_wcn399x(soc_type)) {
/* Firmware files to download are based on ROM version.
* ROM version is derived from last two bytes of soc_ver.
*/
@@ -352,12 +480,17 @@
(soc_ver & 0x0000000f);
snprintf(config.fwname, sizeof(config.fwname),
"qca/crbtfw%02x.tlv", rom_ver);
+ } else if (soc_type == QCA_QCA6390) {
+ rom_ver = ((soc_ver & 0x00000f00) >> 0x04) |
+ (soc_ver & 0x0000000f);
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/htbtfw%02x.tlv", rom_ver);
} else {
snprintf(config.fwname, sizeof(config.fwname),
"qca/rampatch_%08x.bin", soc_ver);
}
- err = qca_download_firmware(hdev, &config);
+ err = qca_download_firmware(hdev, &config, soc_type);
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
return err;
@@ -368,17 +501,29 @@
/* Download NVM configuration */
config.type = TLV_TYPE_NVM;
- if (soc_type == QCA_WCN3990)
+ if (firmware_name)
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/%s", firmware_name);
+ else if (qca_is_wcn399x(soc_type))
snprintf(config.fwname, sizeof(config.fwname),
"qca/crnv%02x.bin", rom_ver);
+ else if (soc_type == QCA_QCA6390)
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/htnv%02x.bin", rom_ver);
else
snprintf(config.fwname, sizeof(config.fwname),
"qca/nvm_%08x.bin", soc_ver);
- err = qca_download_firmware(hdev, &config);
+ err = qca_download_firmware(hdev, &config, soc_type);
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
return err;
+ }
+
+ if (soc_type >= QCA_WCN3991) {
+ err = qca_disable_soc_logging(hdev);
+ if (err < 0)
+ return err;
}
/* Perform HCI reset */
@@ -394,6 +539,26 @@
}
EXPORT_SYMBOL_GPL(qca_uart_setup);
+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);
+
+
MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
MODULE_VERSION(VERSION);
--
Gitblit v1.6.2