[PATCH v3 1/2] Bluetooth: hci_qca: Added support for wcn3998

Harish Bandi
2019-03-12T12:23:44Z

Added new compatible for wcn3998 and corresponding voltage
and current values to wcn3998 compatible.
Changed driver code to support wcn3998

Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org>
---
changes in v3:
- updated to latest code base.
---
drivers/bluetooth/btqca.c | 4 ++--
drivers/bluetooth/btqca.h | 3 ++-
drivers/bluetooth/hci_qca.c | 40 ++++++++++++++++++++++++++--------------
3 files changed, 30 insertions(+), 17 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 6122685..70cab13 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -344,7 +344,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,

/* Download rampatch file */
config.type = TLV_TYPE_PATCH;
- if (soc_type == QCA_WCN3990) {
+ if (soc_type >= QCA_WCN3990) {
/* Firmware files to download are based on ROM version.
* ROM version is derived from last two bytes of soc_ver.
*/
@@ -365,7 +365,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,

/* Download NVM configuration */
config.type = TLV_TYPE_NVM;
- if (soc_type == QCA_WCN3990)
+ if (soc_type >= QCA_WCN3990)
snprintf(config.fwname, sizeof(config.fwname),
"qca/crnv%02x.bin", rom_ver);
else
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index c72c56e..f03d96e 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -132,7 +132,8 @@ enum qca_btsoc_type {
QCA_INVALID = -1,
QCA_AR3002,
QCA_ROME,
- QCA_WCN3990
+ QCA_WCN3990,
+ QCA_WCN3998
};

#if IS_ENABLED(CONFIG_BT_QCA)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 4ea995d..1221f5a 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -521,7 +521,7 @@ static int qca_open(struct hci_uart *hu)
if (hu->serdev) {

qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type != QCA_WCN3990) {
+ if (qcadev->btsoc_type == QCA_ROME) {
gpiod_set_value_cansleep(qcadev->bt_en, 1);
} else {
hu->init_speed = qcadev->init_speed;
@@ -627,7 +627,7 @@ static int qca_close(struct hci_uart *hu)

if (hu->serdev) {
qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qcadev->btsoc_type >= QCA_WCN3990)
qca_power_shutdown(hu);
else
gpiod_set_value_cansleep(qcadev->bt_en, 0);
@@ -1008,7 +1008,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));

/* Give the controller time to process the request */
- if (qca_soc_type(hu) == QCA_WCN3990)
+ if (qca_soc_type(hu) >= QCA_WCN3990)
msleep(10);
else
msleep(300);
@@ -1084,7 +1084,7 @@ static unsigned int qca_get_speed(struct hci_uart *hu,

static int qca_check_speeds(struct hci_uart *hu)
{
- if (qca_soc_type(hu) == QCA_WCN3990) {
+ if (qca_soc_type(hu) >= QCA_WCN3990) {
if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
!qca_get_speed(hu, QCA_OPER_SPEED))
return -EINVAL;
@@ -1116,7 +1116,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
/* Disable flow control for wcn3990 to deassert RTS while
* changing the baudrate of chip and host.
*/
- if (soc_type == QCA_WCN3990)
+ if (soc_type >= QCA_WCN3990)
hci_uart_set_flow_control(hu, true);

qca_baudrate = qca_get_baudrate_value(speed);
@@ -1128,7 +1128,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
host_set_baudrate(hu, speed);

error:
- if (soc_type == QCA_WCN3990)
+ if (soc_type >= QCA_WCN3990)
hci_uart_set_flow_control(hu, false);
}

@@ -1201,7 +1201,7 @@ static int qca_setup(struct hci_uart *hu)
/* Patch downloading has to be done without IBS mode */
clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);

- if (soc_type == QCA_WCN3990) {
+ if (soc_type >= QCA_WCN3990) {
bt_dev_info(hdev, "setting up wcn3990");

/* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute
@@ -1232,7 +1232,7 @@ static int qca_setup(struct hci_uart *hu)
qca_baudrate = qca_get_baudrate_value(speed);
}

- if (soc_type != QCA_WCN3990) {
+ if (soc_type == QCA_ROME) {
/* Get QCA version information */
ret = qca_read_soc_version(hdev, &soc_ver);
if (ret)
@@ -1257,7 +1257,7 @@ static int qca_setup(struct hci_uart *hu)
}

/* Setup bdaddr */
- if (soc_type == QCA_WCN3990)
+ if (soc_type >= QCA_WCN3990)
hu->hdev->set_bdaddr = qca_set_bdaddr;
else
hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
@@ -1280,7 +1280,7 @@ static int qca_setup(struct hci_uart *hu)
.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 },
@@ -1291,6 +1291,17 @@ static int qca_setup(struct hci_uart *hu)
.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 qca_data *qca = hu->priv;
@@ -1424,8 +1435,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
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;
+ if (data && data->soc_type >= QCA_WCN3990) {
+ qcadev->btsoc_type = data->soc_type;
qcadev->bt_power = devm_kzalloc(&serdev->dev,
sizeof(struct qca_power),
GFP_KERNEL);
@@ -1489,7 +1500,7 @@ static void qca_serdev_remove(struct serdev_device *serdev)
{
struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);

- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qcadev->btsoc_type >= QCA_WCN3990)
qca_power_shutdown(&qcadev->serdev_hu);
else
clk_disable_unprepare(qcadev->susclk);
@@ -1499,7 +1510,8 @@ static void qca_serdev_remove(struct serdev_device *serdev)

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);
--
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