From mboxrd@z Thu Jan 1 00:00:00 1970 From: c-hbandi@codeaurora.org Subject: Re: [PATCH v4 1/2] Bluetooth: hci_qca: Added support for WCN3998 Date: Tue, 26 Mar 2019 15:23:14 +0530 Message-ID: References: <1553513800-27611-1-git-send-email-c-hbandi@codeaurora.org> <1553513800-27611-2-git-send-email-c-hbandi@codeaurora.org> <20190325162118.GV112750@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190325162118.GV112750@google.com> Sender: linux-kernel-owner@vger.kernel.org To: Matthias Kaehlcke Cc: marcel@holtmann.org, johan.hedberg@gmail.com, 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 List-Id: linux-arm-msm@vger.kernel.org Hi Matthias, On 2019-03-25 21:51, Matthias Kaehlcke wrote: > On Mon, Mar 25, 2019 at 05:06:39PM +0530, Harish Bandi wrote: >> 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) { > > Move qca_is_wcn399x() to btqca.c and use it here. Export the symbol > and declare the function in btqca.h, so it can be used in hci_qca.c [Harish] - ok, will update in new patch > >> /* 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) > > use qca_is_wcn399x() [Harish] - ok, will update in new patch > >> 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) > > This long function name doesn't provide much value and degrades > readability of the code that uses it. A short name like > qca_is_wcn399x() is clear enough and friendlier to the code reader's > eyes. > >> +{ >> + 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) >> { > > Why '>= QCA_WCN3990'? [Harish] - ok, it should not will check and correct it. > >> 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) > > use qca_is_wcn399x() [Harish] - ok, will update in new patch > >> 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); Thanks, Harish