From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harish Bandi Subject: [PATCH v4 1/2] Bluetooth: hci_qca: Added support for WCN3998 Date: Mon, 25 Mar 2019 17:06:39 +0530 Message-ID: <1553513800-27611-2-git-send-email-c-hbandi@codeaurora.org> References: <1553513800-27611-1-git-send-email-c-hbandi@codeaurora.org> Return-path: In-Reply-To: <1553513800-27611-1-git-send-email-c-hbandi@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: marcel@holtmann.org, johan.hedberg@gmail.com Cc: mka@chromium.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, hemantg@codeaurora.org, linux-arm-msm@vger.kernel.org, bgodavar@codeaurora.org, anubhavg@codeaurora.org, devicetree@vger.kernel.org, mark.rutland@arm.com, robh+dt@kernel.org, Harish Bandi List-Id: linux-arm-msm@vger.kernel.org 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 --- Changes in V4: - Added is_qca_soc_type_wcn399x_family helper function - to get the soc type is wcn399x or not. --- drivers/bluetooth/btqca.c | 4 ++-- drivers/bluetooth/btqca.h | 3 ++- drivers/bluetooth/hci_qca.c | 48 ++++++++++++++++++++++++++++++++------------- 3 files changed, 38 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..bd6a902 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..e238c2b 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -189,6 +189,14 @@ static enum qca_btsoc_type qca_soc_type(struct hci_uart *hu) return soc_type; } +bool is_qca_soc_type_wcn399x_family(enum qca_btsoc_type soc_type) +{ + if ((soc_type == QCA_WCN3990) || (soc_type == QCA_WCN3998)) + return true; + + return false; +} + static void __serial_clock_on(struct tty_struct *tty) { /* TODO: Some chipset requires to enable UART clock on client @@ -521,7 +529,7 @@ 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 (!is_qca_soc_type_wcn399x_family(qcadev->btsoc_type)) { gpiod_set_value_cansleep(qcadev->bt_en, 1); } else { hu->init_speed = qcadev->init_speed; @@ -627,7 +635,7 @@ 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 (is_qca_soc_type_wcn399x_family(qcadev->btsoc_type)) qca_power_shutdown(hu); else gpiod_set_value_cansleep(qcadev->bt_en, 0); @@ -1008,7 +1016,7 @@ 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 (is_qca_soc_type_wcn399x_family(qca_soc_type(hu))) msleep(10); else msleep(300); @@ -1084,7 +1092,7 @@ 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 (is_qca_soc_type_wcn399x_family(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 +1124,7 @@ 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 (is_qca_soc_type_wcn399x_family(soc_type)) hci_uart_set_flow_control(hu, true); qca_baudrate = qca_get_baudrate_value(speed); @@ -1128,7 +1136,7 @@ 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 (is_qca_soc_type_wcn399x_family(soc_type)) hci_uart_set_flow_control(hu, false); } @@ -1201,7 +1209,7 @@ 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 (is_qca_soc_type_wcn399x_family(soc_type)) { bt_dev_info(hdev, "setting up wcn3990"); /* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute @@ -1232,7 +1240,7 @@ static int qca_setup(struct hci_uart *hu) qca_baudrate = qca_get_baudrate_value(speed); } - if (soc_type != QCA_WCN3990) { + if (!is_qca_soc_type_wcn399x_family(soc_type)) { /* Get QCA version information */ ret = qca_read_soc_version(hdev, &soc_ver); if (ret) @@ -1257,7 +1265,7 @@ static int qca_setup(struct hci_uart *hu) } /* Setup bdaddr */ - if (soc_type == QCA_WCN3990) + if (is_qca_soc_type_wcn399x_family(soc_type)) hu->hdev->set_bdaddr = qca_set_bdaddr; else hu->hdev->set_bdaddr = qca_set_bdaddr_rome; @@ -1280,7 +1288,7 @@ 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 +1299,17 @@ 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 +1443,8 @@ 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 && is_qca_soc_type_wcn399x_family(data->soc_type)) { + qcadev->btsoc_type = data->soc_type; qcadev->bt_power = devm_kzalloc(&serdev->dev, sizeof(struct qca_power), GFP_KERNEL); @@ -1489,7 +1508,7 @@ 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 +1518,8 @@ 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); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project