[PATCH v2 1/2] Bluetooth: hci_qca: Add support for Qualcomm Bluetooth SoC QCA6390

From: Rocky Liao
Date: Tue Mar 24 2020 - 22:27:03 EST

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This patch adds support for QCA6390, including the devicetree and acpi
compatible hwid matching, and patch/nvm downloading.

Signed-off-by: Rocky Liao <rjliao@xxxxxxxxxxxxxx>
---

Changes in v2:
-removed the use of macro QCA_IS_3991_6390
-removed the qca_send_enhancelog_enable_cmd()

drivers/bluetooth/btqca.c | 18 ++++++++++++-----
drivers/bluetooth/btqca.h | 3 ++-
drivers/bluetooth/hci_qca.c | 40 ++++++++++++++++++++++++++++++-------
3 files changed, 48 insertions(+), 13 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index a16845c0751d..3ea866d44568 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -32,7 +32,7 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version,
* VSE event. WCN3991 sends version command response as a payload to
* command complete event.
*/
- if (soc_type == QCA_WCN3991) {
+ if (soc_type >= QCA_WCN3991) {
event_type = 0;
rlen += 1;
rtype = EDL_PATCH_VER_REQ_CMD;
@@ -69,7 +69,7 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version,
goto out;
}

- if (soc_type == QCA_WCN3991)
+ if (soc_type >= QCA_WCN3991)
memmove(&edl->data, &edl->data[1], sizeof(*ver));

ver = (struct qca_btsoc_version *)(edl->data);
@@ -217,7 +217,7 @@ static void qca_tlv_check_data(struct qca_fw_config *config,
tlv_nvm->data[0] |= 0x80;

/* UART Baud Rate */
- if (soc_type == QCA_WCN3991)
+ if (soc_type >= QCA_WCN3991)
tlv_nvm->data[1] = nvm_baud_rate;
else
tlv_nvm->data[2] = nvm_baud_rate;
@@ -268,7 +268,7 @@ static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
* VSE event. WCN3991 sends version command response as a payload to
* command complete event.
*/
- if (soc_type == QCA_WCN3991) {
+ if (soc_type >= QCA_WCN3991) {
event_type = 0;
rlen = sizeof(*edl);
rtype = EDL_PATCH_TLV_REQ_CMD;
@@ -301,7 +301,7 @@ static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
err = -EIO;
}

- if (soc_type == QCA_WCN3991)
+ if (soc_type >= QCA_WCN3991)
goto out;

tlv_resp = (struct tlv_seg_resp *)(edl->data);
@@ -442,6 +442,11 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
(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);
@@ -464,6 +469,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
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);
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index e16a4d650597..6e1e62dd4b95 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -125,8 +125,9 @@ enum qca_btsoc_type {
QCA_AR3002,
QCA_ROME,
QCA_WCN3990,
- QCA_WCN3991,
QCA_WCN3998,
+ QCA_WCN3991,
+ QCA_QCA6390,
};

#if IS_ENABLED(CONFIG_BT_QCA)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 439392b1c043..d0ac554584a4 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -26,6 +26,7 @@
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of_device.h>
+#include <linux/acpi.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/serdev.h>
@@ -1596,7 +1597,7 @@ static int qca_setup(struct hci_uart *hu)
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);

bt_dev_info(hdev, "setting up %s",
- qca_is_wcn399x(soc_type) ? "wcn399x" : "ROME");
+ qca_is_wcn399x(soc_type) ? "wcn399x" : "ROME/QCA6390");

retry:
ret = qca_power_on(hdev);
@@ -1665,10 +1666,10 @@ static int qca_setup(struct hci_uart *hu)
}

/* Setup bdaddr */
- if (qca_is_wcn399x(soc_type))
- hu->hdev->set_bdaddr = qca_set_bdaddr;
- else
+ if (soc_type == QCA_ROME)
hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
+ else
+ hu->hdev->set_bdaddr = qca_set_bdaddr;

return ret;
}
@@ -1721,6 +1722,11 @@ static const struct qca_vreg_data qca_soc_data_wcn3998 = {
.num_vregs = 4,
};

+static const struct qca_vreg_data qca_soc_data_qca6390 = {
+ .soc_type = QCA_QCA6390,
+ .num_vregs = 0,
+};
+
static void qca_power_shutdown(struct hci_uart *hu)
{
struct qca_serdev *qcadev;
@@ -1764,7 +1770,7 @@ static int qca_power_off(struct hci_dev *hdev)
enum qca_btsoc_type soc_type = qca_soc_type(hu);

/* Stop sending shutdown command if soc crashes. */
- if (qca_is_wcn399x(soc_type)
+ if (soc_type != QCA_ROME
&& qca->memdump_state == QCA_MEMDUMP_IDLE) {
qca_send_pre_shutdown_cmd(hdev);
usleep_range(8000, 10000);
@@ -1900,7 +1906,11 @@ static int qca_serdev_probe(struct serdev_device *serdev)
return err;
}
} else {
- qcadev->btsoc_type = QCA_ROME;
+ if (data)
+ qcadev->btsoc_type = data->soc_type;
+ else
+ qcadev->btsoc_type = QCA_ROME;
+
qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
GPIOD_OUT_LOW);
if (!qcadev->bt_en) {
@@ -2044,21 +2054,37 @@ static int __maybe_unused qca_resume(struct device *dev)

static SIMPLE_DEV_PM_OPS(qca_pm_ops, qca_suspend, qca_resume);

+#ifdef CONFIG_OF
static const struct of_device_id qca_bluetooth_of_match[] = {
{ .compatible = "qcom,qca6174-bt" },
+ { .compatible = "qcom,qca6390-bt", .data = &qca_soc_data_qca6390},
{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
{ .compatible = "qcom,wcn3991-bt", .data = &qca_soc_data_wcn3991},
{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id qca_bluetooth_acpi_match[] = {
+ { "QCOM6390", (kernel_ulong_t)&qca_soc_data_qca6390 },
+ { "DLA16390", (kernel_ulong_t)&qca_soc_data_qca6390 },
+ { "DLB16390", (kernel_ulong_t)&qca_soc_data_qca6390 },
+ { "DLB26390", (kernel_ulong_t)&qca_soc_data_qca6390 },
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, qca_bluetooth_acpi_match);
+#endif
+

static struct serdev_device_driver qca_serdev_driver = {
.probe = qca_serdev_probe,
.remove = qca_serdev_remove,
.driver = {
.name = "hci_uart_qca",
- .of_match_table = qca_bluetooth_of_match,
+ .of_match_table = of_match_ptr(qca_bluetooth_of_match),
+ .acpi_match_table = ACPI_PTR(qca_bluetooth_acpi_match),
.pm = &qca_pm_ops,
},
};
--
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Next message: Rocky Liao: "[PATCH v2 2/2] dt-bindings: net: bluetooth: Add device tree bindings for QCA chip QCA6390"
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Next in thread: Rocky Liao: "[PATCH v2 2/2] dt-bindings: net: bluetooth: Add device tree bindings for QCA chip QCA6390"
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