Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index f0d593c..e3164c2 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Bluetooth Software UART Qualcomm protocol
*
@@ -12,24 +13,11 @@
* Written by Ohad Ben-Cohen <ohad@bencohen.org>
* which was in turn based on hci_h4.c, which was written
* by Maxim Krasnyansky and Marcel Holtmann.
- *
- * 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/kernel.h>
#include <linux/clk.h>
+#include <linux/completion.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/device.h>
@@ -40,6 +28,7 @@
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/serdev.h>
+#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -53,16 +42,21 @@
#define HCI_IBS_WAKE_ACK 0xFC
#define HCI_MAX_IBS_SIZE 10
-/* Controller states */
-#define STATE_IN_BAND_SLEEP_ENABLED 1
-
#define IBS_WAKE_RETRANS_TIMEOUT_MS 100
#define IBS_TX_IDLE_TIMEOUT_MS 2000
-#define BAUDRATE_SETTLE_TIMEOUT_MS 300
+#define CMD_TRANS_TIMEOUT_MS 100
/* susclk rate */
#define SUSCLK_RATE_32KHZ 32768
+/* Controller debug log header */
+#define QCA_DEBUG_HANDLE 0x2EDC
+
+enum qca_flags {
+ QCA_IBS_ENABLED,
+ QCA_DROP_VENDOR_EVENT,
+};
+
/* HCI_IBS transmit side sleep protocol states */
enum tx_ibs_states {
HCI_IBS_TX_ASLEEP,
@@ -105,6 +99,7 @@
struct work_struct ws_rx_vote_off;
struct work_struct ws_tx_vote_off;
unsigned long flags;
+ struct completion drop_ev_comp;
/* For debugging purpose */
u64 ibs_sent_wacks;
@@ -164,10 +159,38 @@
struct qca_power *bt_power;
u32 init_speed;
u32 oper_speed;
+ const char *firmware_name;
};
static int qca_power_setup(struct hci_uart *hu, bool on);
static void qca_power_shutdown(struct hci_uart *hu);
+static int qca_power_off(struct hci_dev *hdev);
+
+static enum qca_btsoc_type qca_soc_type(struct hci_uart *hu)
+{
+ enum qca_btsoc_type soc_type;
+
+ if (hu->serdev) {
+ struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev);
+
+ soc_type = qsd->btsoc_type;
+ } else {
+ soc_type = QCA_ROME;
+ }
+
+ return soc_type;
+}
+
+static const char *qca_get_firmware_name(struct hci_uart *hu)
+{
+ if (hu->serdev) {
+ struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev);
+
+ return qsd->firmware_name;
+ } else {
+ return NULL;
+ }
+}
static void __serial_clock_on(struct tty_struct *tty)
{
@@ -286,13 +309,14 @@
ws_awake_device);
struct hci_uart *hu = qca->hu;
unsigned long retrans_delay;
+ unsigned long flags;
BT_DBG("hu %p wq awake device", hu);
/* Vote for serial clock */
serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_ON, hu);
- spin_lock(&qca->hci_ibs_lock);
+ spin_lock_irqsave(&qca->hci_ibs_lock, flags);
/* Send wake indication to device */
if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0)
@@ -304,7 +328,7 @@
retrans_delay = msecs_to_jiffies(qca->wake_retrans);
mod_timer(&qca->wake_retrans_timer, jiffies + retrans_delay);
- spin_unlock(&qca->hci_ibs_lock);
+ spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
/* Actually send the packets */
hci_uart_tx_wakeup(hu);
@@ -315,12 +339,13 @@
struct qca_data *qca = container_of(work, struct qca_data,
ws_awake_rx);
struct hci_uart *hu = qca->hu;
+ unsigned long flags;
BT_DBG("hu %p wq awake rx", hu);
serial_clock_vote(HCI_IBS_RX_VOTE_CLOCK_ON, hu);
- spin_lock(&qca->hci_ibs_lock);
+ spin_lock_irqsave(&qca->hci_ibs_lock, flags);
qca->rx_ibs_state = HCI_IBS_RX_AWAKE;
/* Always acknowledge device wake up,
@@ -331,7 +356,7 @@
qca->ibs_sent_wacks++;
- spin_unlock(&qca->hci_ibs_lock);
+ spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
/* Actually send the packets */
hci_uart_tx_wakeup(hu);
@@ -450,6 +475,9 @@
BT_DBG("hu %p qca_open", hu);
+ if (!hci_uart_has_flow_control(hu))
+ return -EOPNOTSUPP;
+
qca = kzalloc(sizeof(struct qca_data), GFP_KERNEL);
if (!qca)
return -ENOMEM;
@@ -470,40 +498,23 @@
INIT_WORK(&qca->ws_tx_vote_off, qca_wq_serial_tx_clock_vote_off);
qca->hu = hu;
+ init_completion(&qca->drop_ev_comp);
/* Assume we start with both sides asleep -- extra wakes OK */
qca->tx_ibs_state = HCI_IBS_TX_ASLEEP;
qca->rx_ibs_state = HCI_IBS_RX_ASLEEP;
- /* clocks actually on, but we start votes off */
- qca->tx_vote = false;
- qca->rx_vote = false;
- qca->flags = 0;
-
- qca->ibs_sent_wacks = 0;
- qca->ibs_sent_slps = 0;
- qca->ibs_sent_wakes = 0;
- qca->ibs_recv_wacks = 0;
- qca->ibs_recv_slps = 0;
- qca->ibs_recv_wakes = 0;
qca->vote_last_jif = jiffies;
- qca->vote_on_ms = 0;
- qca->vote_off_ms = 0;
- qca->votes_on = 0;
- qca->votes_off = 0;
- qca->tx_votes_on = 0;
- qca->tx_votes_off = 0;
- qca->rx_votes_on = 0;
- qca->rx_votes_off = 0;
hu->priv = qca;
if (hu->serdev) {
- serdev_device_open(hu->serdev);
qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type != QCA_WCN3990) {
+ if (!qca_is_wcn399x(qcadev->btsoc_type)) {
gpiod_set_value_cansleep(qcadev->bt_en, 1);
+ /* Controller needs time to bootup. */
+ msleep(150);
} else {
hu->init_speed = qcadev->init_speed;
hu->oper_speed = qcadev->oper_speed;
@@ -608,12 +619,11 @@
if (hu->serdev) {
qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(qcadev->btsoc_type))
qca_power_shutdown(hu);
else
gpiod_set_value_cansleep(qcadev->bt_en, 0);
- serdev_device_close(hu->serdev);
}
kfree_skb(qca->rx_skb);
@@ -678,7 +688,7 @@
unsigned long flags;
struct qca_data *qca = hu->priv;
- BT_DBG("hu %p want to sleep", hu);
+ BT_DBG("hu %p want to sleep in %d state", hu, qca->rx_ibs_state);
spin_lock_irqsave(&qca->hci_ibs_lock, flags);
@@ -693,7 +703,7 @@
break;
case HCI_IBS_RX_ASLEEP:
- /* Fall through */
+ break;
default:
/* Any other state is illegal */
@@ -767,16 +777,17 @@
/* Prepend skb with frame type */
memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
+ spin_lock_irqsave(&qca->hci_ibs_lock, flags);
+
/* Don't go to sleep in middle of patch download or
* Out-Of-Band(GPIOs control) sleep is selected.
*/
- if (!test_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags)) {
+ if (!test_bit(QCA_IBS_ENABLED, &qca->flags)) {
skb_queue_tail(&qca->txq, skb);
+ spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
return 0;
}
- spin_lock_irqsave(&qca->hci_ibs_lock, flags);
-
/* Act according to current state */
switch (qca->tx_ibs_state) {
case HCI_IBS_TX_AWAKE:
@@ -850,6 +861,48 @@
return 0;
}
+static int qca_recv_acl_data(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ /* We receive debug logs from chip as an ACL packets.
+ * Instead of sending the data to ACL to decode the
+ * received data, we are pushing them to the above layers
+ * as a diagnostic packet.
+ */
+ if (get_unaligned_le16(skb->data) == QCA_DEBUG_HANDLE)
+ return hci_recv_diag(hdev, skb);
+
+ return hci_recv_frame(hdev, skb);
+}
+
+static int qca_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_uart *hu = hci_get_drvdata(hdev);
+ struct qca_data *qca = hu->priv;
+
+ if (test_bit(QCA_DROP_VENDOR_EVENT, &qca->flags)) {
+ struct hci_event_hdr *hdr = (void *)skb->data;
+
+ /* For the WCN3990 the vendor command for a baudrate change
+ * isn't sent as synchronous HCI command, because the
+ * controller sends the corresponding vendor event with the
+ * new baudrate. The event is received and properly decoded
+ * after changing the baudrate of the host port. It needs to
+ * be dropped, otherwise it can be misinterpreted as
+ * response to a later firmware download command (also a
+ * vendor command).
+ */
+
+ if (hdr->evt == HCI_EV_VENDOR)
+ complete(&qca->drop_ev_comp);
+
+ kfree_skb(skb);
+
+ return 0;
+ }
+
+ return hci_recv_frame(hdev, skb);
+}
+
#define QCA_IBS_SLEEP_IND_EVENT \
.type = HCI_IBS_SLEEP_IND, \
.hlen = 0, \
@@ -872,9 +925,9 @@
.maxlen = HCI_MAX_IBS_SIZE
static const struct h4_recv_pkt qca_recv_pkts[] = {
- { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_ACL, .recv = qca_recv_acl_data },
{ H4_RECV_SCO, .recv = hci_recv_frame },
- { H4_RECV_EVENT, .recv = hci_recv_frame },
+ { H4_RECV_EVENT, .recv = qca_recv_event },
{ QCA_IBS_WAKE_IND_EVENT, .recv = qca_ibs_wake_ind },
{ QCA_IBS_WAKE_ACK_EVENT, .recv = qca_ibs_wake_ack },
{ QCA_IBS_SLEEP_IND_EVENT, .recv = qca_ibs_sleep_ind },
@@ -947,7 +1000,6 @@
struct hci_uart *hu = hci_get_drvdata(hdev);
struct qca_data *qca = hu->priv;
struct sk_buff *skb;
- struct qca_serdev *qcadev;
u8 cmd[] = { 0x01, 0x48, 0xFC, 0x01, 0x00 };
if (baudrate > QCA_BAUDRATE_3200000)
@@ -961,13 +1013,6 @@
return -ENOMEM;
}
- /* Disabling hardware flow control is mandatory while
- * sending change baudrate request to wcn3990 SoC.
- */
- qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type == QCA_WCN3990)
- hci_uart_set_flow_control(hu, true);
-
/* Assign commands to change baudrate and packet type. */
skb_put_data(skb, cmd, sizeof(cmd));
hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
@@ -975,16 +1020,20 @@
skb_queue_tail(&qca->txq, skb);
hci_uart_tx_wakeup(hu);
- /* wait 300ms to change new baudrate on controller side
- * controller will come back after they receive this HCI command
- * then host can communicate with new baudrate to controller
- */
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(msecs_to_jiffies(BAUDRATE_SETTLE_TIMEOUT_MS));
- set_current_state(TASK_RUNNING);
+ /* Wait for the baudrate change request to be sent */
- if (qcadev->btsoc_type == QCA_WCN3990)
- hci_uart_set_flow_control(hu, false);
+ while (!skb_queue_empty(&qca->txq))
+ usleep_range(100, 200);
+
+ if (hu->serdev)
+ serdev_device_wait_until_sent(hu->serdev,
+ msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
+
+ /* Give the controller time to process the request */
+ if (qca_is_wcn399x(qca_soc_type(hu)))
+ msleep(10);
+ else
+ msleep(300);
return 0;
}
@@ -997,11 +1046,11 @@
hci_uart_set_baudrate(hu, speed);
}
-static int qca_send_power_pulse(struct hci_dev *hdev, u8 cmd)
+static int qca_send_power_pulse(struct hci_uart *hu, bool on)
{
- struct hci_uart *hu = hci_get_drvdata(hdev);
- struct qca_data *qca = hu->priv;
- struct sk_buff *skb;
+ int ret;
+ int timeout = msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS);
+ u8 cmd = on ? QCA_WCN3990_POWERON_PULSE : QCA_WCN3990_POWEROFF_PULSE;
/* These power pulses are single byte command which are sent
* at required baudrate to wcn3990. On wcn3990, we have an external
@@ -1013,24 +1062,25 @@
* save power. Disabling hardware flow control is mandatory while
* sending power pulses to SoC.
*/
- bt_dev_dbg(hdev, "sending power pulse %02x to SoC", cmd);
+ bt_dev_dbg(hu->hdev, "sending power pulse %02x to controller", cmd);
- skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
- if (!skb)
- return -ENOMEM;
-
+ serdev_device_write_flush(hu->serdev);
hci_uart_set_flow_control(hu, true);
+ ret = serdev_device_write_buf(hu->serdev, &cmd, sizeof(cmd));
+ if (ret < 0) {
+ bt_dev_err(hu->hdev, "failed to send power pulse %02x", cmd);
+ return ret;
+ }
- skb_put_u8(skb, cmd);
- hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
-
- skb_queue_tail(&qca->txq, skb);
- hci_uart_tx_wakeup(hu);
-
- /* Wait for 100 uS for SoC to settle down */
- usleep_range(100, 200);
+ serdev_device_wait_until_sent(hu->serdev, timeout);
hci_uart_set_flow_control(hu, false);
+ /* Give to controller time to boot/shutdown */
+ if (on)
+ msleep(100);
+ else
+ msleep(10);
+
return 0;
}
@@ -1056,10 +1106,7 @@
static int qca_check_speeds(struct hci_uart *hu)
{
- struct qca_serdev *qcadev;
-
- qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type == QCA_WCN3990) {
+ if (qca_is_wcn399x(qca_soc_type(hu))) {
if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
!qca_get_speed(hu, QCA_OPER_SPEED))
return -EINVAL;
@@ -1075,48 +1122,94 @@
static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
{
unsigned int speed, qca_baudrate;
- int ret;
+ struct qca_data *qca = hu->priv;
+ int ret = 0;
if (speed_type == QCA_INIT_SPEED) {
speed = qca_get_speed(hu, QCA_INIT_SPEED);
if (speed)
host_set_baudrate(hu, speed);
} else {
+ enum qca_btsoc_type soc_type = qca_soc_type(hu);
+
speed = qca_get_speed(hu, QCA_OPER_SPEED);
if (!speed)
return 0;
+ /* Disable flow control for wcn3990 to deassert RTS while
+ * changing the baudrate of chip and host.
+ */
+ if (qca_is_wcn399x(soc_type))
+ hci_uart_set_flow_control(hu, true);
+
+ if (soc_type == QCA_WCN3990) {
+ reinit_completion(&qca->drop_ev_comp);
+ set_bit(QCA_DROP_VENDOR_EVENT, &qca->flags);
+ }
+
qca_baudrate = qca_get_baudrate_value(speed);
bt_dev_dbg(hu->hdev, "Set UART speed to %d", speed);
ret = qca_set_baudrate(hu->hdev, qca_baudrate);
if (ret)
- return ret;
+ goto error;
host_set_baudrate(hu, speed);
+
+error:
+ if (qca_is_wcn399x(soc_type))
+ hci_uart_set_flow_control(hu, false);
+
+ if (soc_type == QCA_WCN3990) {
+ /* Wait for the controller to send the vendor event
+ * for the baudrate change command.
+ */
+ if (!wait_for_completion_timeout(&qca->drop_ev_comp,
+ msecs_to_jiffies(100))) {
+ bt_dev_err(hu->hdev,
+ "Failed to change controller baudrate\n");
+ ret = -ETIMEDOUT;
+ }
+
+ clear_bit(QCA_DROP_VENDOR_EVENT, &qca->flags);
+ }
}
- return 0;
+ return ret;
}
static int qca_wcn3990_init(struct hci_uart *hu)
{
- struct hci_dev *hdev = hu->hdev;
+ struct qca_serdev *qcadev;
int ret;
+ /* Check for vregs status, may be hci down has turned
+ * off the voltage regulator.
+ */
+ qcadev = serdev_device_get_drvdata(hu->serdev);
+ if (!qcadev->bt_power->vregs_on) {
+ serdev_device_close(hu->serdev);
+ ret = qca_power_setup(hu, true);
+ if (ret)
+ return ret;
+
+ ret = serdev_device_open(hu->serdev);
+ if (ret) {
+ bt_dev_err(hu->hdev, "failed to open port");
+ return ret;
+ }
+ }
+
/* Forcefully enable wcn3990 to enter in to boot mode. */
host_set_baudrate(hu, 2400);
- ret = qca_send_power_pulse(hdev, QCA_WCN3990_POWEROFF_PULSE);
+ ret = qca_send_power_pulse(hu, false);
if (ret)
return ret;
qca_set_speed(hu, QCA_INIT_SPEED);
- ret = qca_send_power_pulse(hdev, QCA_WCN3990_POWERON_PULSE);
+ ret = qca_send_power_pulse(hu, true);
if (ret)
return ret;
- /* Wait for 100 ms for SoC to boot */
- msleep(100);
-
/* Now the device is in ready state to communicate with host.
* To sync host with device we need to reopen port.
* Without this, we will have RTS and CTS synchronization
@@ -1139,21 +1232,32 @@
struct hci_dev *hdev = hu->hdev;
struct qca_data *qca = hu->priv;
unsigned int speed, qca_baudrate = QCA_BAUDRATE_115200;
- struct qca_serdev *qcadev;
+ enum qca_btsoc_type soc_type = qca_soc_type(hu);
+ const char *firmware_name = qca_get_firmware_name(hu);
int ret;
int soc_ver = 0;
- qcadev = serdev_device_get_drvdata(hu->serdev);
-
ret = qca_check_speeds(hu);
if (ret)
return ret;
/* Patch downloading has to be done without IBS mode */
- clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
+ clear_bit(QCA_IBS_ENABLED, &qca->flags);
- if (qcadev->btsoc_type == QCA_WCN3990) {
+ /* Enable controller to do both LE scan and BR/EDR inquiry
+ * simultaneously.
+ */
+ set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+
+ if (qca_is_wcn399x(soc_type)) {
bt_dev_info(hdev, "setting up wcn3990");
+
+ /* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute
+ * setup for every hci up.
+ */
+ set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
+ set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
+ hu->hdev->shutdown = qca_power_off;
ret = qca_wcn3990_init(hu);
if (ret)
return ret;
@@ -1176,7 +1280,7 @@
qca_baudrate = qca_get_baudrate_value(speed);
}
- if (qcadev->btsoc_type != QCA_WCN3990) {
+ if (!qca_is_wcn399x(soc_type)) {
/* Get QCA version information */
ret = qca_read_soc_version(hdev, &soc_ver);
if (ret)
@@ -1185,9 +1289,10 @@
bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
/* Setup patch / NVM configurations */
- ret = qca_uart_setup(hdev, qca_baudrate, qcadev->btsoc_type, soc_ver);
+ ret = qca_uart_setup(hdev, qca_baudrate, soc_type, soc_ver,
+ firmware_name);
if (!ret) {
- set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
+ set_bit(QCA_IBS_ENABLED, &qca->flags);
qca_debugfs_init(hdev);
} else if (ret == -ENOENT) {
/* No patch/nvm-config found, run with original fw/config */
@@ -1201,12 +1306,15 @@
}
/* Setup bdaddr */
- hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
+ if (qca_is_wcn399x(soc_type))
+ hu->hdev->set_bdaddr = qca_set_bdaddr;
+ else
+ hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
return ret;
}
-static struct hci_uart_proto qca_proto = {
+static const struct hci_uart_proto qca_proto = {
.id = HCI_UART_QCA,
.name = "QCA",
.manufacturer = 29,
@@ -1221,7 +1329,7 @@
.dequeue = qca_dequeue,
};
-static const struct qca_vreg_data qca_soc_data = {
+static const struct qca_vreg_data qca_soc_data_wcn3990 = {
.soc_type = QCA_WCN3990,
.vregs = (struct qca_vreg []) {
{ "vddio", 1800000, 1900000, 15000 },
@@ -1232,18 +1340,49 @@
.num_vregs = 4,
};
+static const struct qca_vreg_data qca_soc_data_wcn3998 = {
+ .soc_type = QCA_WCN3998,
+ .vregs = (struct qca_vreg []) {
+ { "vddio", 1800000, 1900000, 10000 },
+ { "vddxo", 1800000, 1900000, 80000 },
+ { "vddrf", 1300000, 1352000, 300000 },
+ { "vddch0", 3300000, 3300000, 450000 },
+ },
+ .num_vregs = 4,
+};
+
static void qca_power_shutdown(struct hci_uart *hu)
{
- struct serdev_device *serdev = hu->serdev;
- unsigned char cmd = QCA_WCN3990_POWEROFF_PULSE;
+ struct qca_data *qca = hu->priv;
+ unsigned long flags;
+
+ /* From this point we go into power off state. But serial port is
+ * still open, stop queueing the IBS data and flush all the buffered
+ * data in skb's.
+ */
+ spin_lock_irqsave(&qca->hci_ibs_lock, flags);
+ clear_bit(QCA_IBS_ENABLED, &qca->flags);
+ qca_flush(hu);
+ spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
host_set_baudrate(hu, 2400);
- hci_uart_set_flow_control(hu, true);
- serdev_device_write_buf(serdev, &cmd, sizeof(cmd));
- hci_uart_set_flow_control(hu, false);
+ qca_send_power_pulse(hu, false);
qca_power_setup(hu, false);
}
+static int qca_power_off(struct hci_dev *hdev)
+{
+ struct hci_uart *hu = hci_get_drvdata(hdev);
+
+ /* Perform pre shutdown command */
+ qca_send_pre_shutdown_cmd(hdev);
+
+ usleep_range(8000, 10000);
+
+ qca_power_shutdown(hu);
+ return 0;
+}
+
static int qca_enable_regulator(struct qca_vreg vregs,
struct regulator *regulator)
{
@@ -1350,8 +1489,10 @@
qcadev->serdev_hu.serdev = serdev;
data = of_device_get_match_data(&serdev->dev);
serdev_device_set_drvdata(serdev, qcadev);
- if (data && data->soc_type == QCA_WCN3990) {
- qcadev->btsoc_type = QCA_WCN3990;
+ device_property_read_string(&serdev->dev, "firmware-name",
+ &qcadev->firmware_name);
+ if (data && qca_is_wcn399x(data->soc_type)) {
+ qcadev->btsoc_type = data->soc_type;
qcadev->bt_power = devm_kzalloc(&serdev->dev,
sizeof(struct qca_power),
GFP_KERNEL);
@@ -1415,7 +1556,7 @@
{
struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(qcadev->btsoc_type))
qca_power_shutdown(&qcadev->serdev_hu);
else
clk_disable_unprepare(qcadev->susclk);
@@ -1425,7 +1566,8 @@
static const struct of_device_id qca_bluetooth_of_match[] = {
{ .compatible = "qcom,qca6174-bt" },
- { .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data},
+ { .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
+ { .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);