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[23.118.233.243]) by smtp.gmail.com with ESMTPSA id ew12-20020a05622a514c00b003b86a6449b8sm327360qtb.85.2023.02.08.18.09.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Feb 2023 18:09:20 -0800 (PST) From: Steev Klimaszewski To: Steev Klimaszewski Cc: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Konrad Dybcio , Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz , Sven Peter , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, Mark Pearson , Tim Jiang Subject: [PATCH v5 2/4] Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855 Date: Wed, 8 Feb 2023 20:09:14 -0600 Message-Id: <20230209020916.6475-3-steev@kali.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230209020916.6475-1-steev@kali.org> References: <20230209020916.6475-1-steev@kali.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Added regulators,GPIOs and changes required to power on/off wcn6855. Added support for firmware download for wcn6855. Signed-off-by: Steev Klimaszewski Reviewed-by: Bjorn Andersson Tested-by: Bjorn Andersson --- Changes since v4: * Remove unused firmware check because we don't have mbn firmware. * Set qcadev->init_speed if it hasn't been set. Changes since v3: * drop unused regulators Changes since v2: * drop unnecessary commit info Changes since v1: * None drivers/bluetooth/btqca.c | 9 ++++++- drivers/bluetooth/btqca.h | 10 ++++++++ drivers/bluetooth/hci_qca.c | 50 ++++++++++++++++++++++++++++--------- 3 files changed, 56 insertions(+), 13 deletions(-) diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index c9064d34d830..2f9d8bd27c38 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -614,6 +614,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudra= te, config.type =3D ELF_TYPE_PATCH; snprintf(config.fwname, sizeof(config.fwname), "qca/msbtfw%02x.mbn", rom_ver); + } else if (soc_type =3D=3D QCA_WCN6855) { + snprintf(config.fwname, sizeof(config.fwname), + "qca/hpbtfw%02x.tlv", rom_ver); } else { snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin", soc_ver); @@ -648,6 +651,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudra= te, else if (soc_type =3D=3D QCA_WCN6750) snprintf(config.fwname, sizeof(config.fwname), "qca/msnv%02x.bin", rom_ver); + else if (soc_type =3D=3D QCA_WCN6855) + snprintf(config.fwname, sizeof(config.fwname), + "qca/hpnv%02x.bin", rom_ver); else snprintf(config.fwname, sizeof(config.fwname), "qca/nvm_%08x.bin", soc_ver); @@ -672,6 +678,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudra= te, case QCA_WCN3991: case QCA_WCN3998: case QCA_WCN6750: + case QCA_WCN6855: hci_set_msft_opcode(hdev, 0xFD70); break; default: @@ -685,7 +692,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudra= te, return err; } =20 - if (soc_type =3D=3D QCA_WCN3991 || soc_type =3D=3D QCA_WCN6750) { + if (soc_type =3D=3D QCA_WCN3991 || soc_type =3D=3D QCA_WCN6750 || soc_typ= e =3D=3D QCA_WCN6855) { /* get fw build info */ err =3D qca_read_fw_build_info(hdev); if (err < 0) diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h index 61e9a50e66ae..b884095bcd9d 100644 --- a/drivers/bluetooth/btqca.h +++ b/drivers/bluetooth/btqca.h @@ -147,6 +147,7 @@ enum qca_btsoc_type { QCA_WCN3991, QCA_QCA6390, QCA_WCN6750, + QCA_WCN6855, }; =20 #if IS_ENABLED(CONFIG_BT_QCA) @@ -168,6 +169,10 @@ static inline bool qca_is_wcn6750(enum qca_btsoc_type = soc_type) { return soc_type =3D=3D QCA_WCN6750; } +static inline bool qca_is_wcn6855(enum qca_btsoc_type soc_type) +{ + return soc_type =3D=3D QCA_WCN6855; +} =20 #else =20 @@ -206,6 +211,11 @@ static inline bool qca_is_wcn6750(enum qca_btsoc_type = soc_type) return false; } =20 +static inline bool qca_is_wcn6855(enum qca_btsoc_type soc_type) +{ + return false; +} + static inline int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) { return -EOPNOTSUPP; diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 3df8c3606e93..efc1c0306b4e 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -605,8 +605,7 @@ static int qca_open(struct hci_uart *hu) if (hu->serdev) { qcadev =3D serdev_device_get_drvdata(hu->serdev); =20 - if (qca_is_wcn399x(qcadev->btsoc_type) || - qca_is_wcn6750(qcadev->btsoc_type)) + if (!(qcadev->init_speed)) hu->init_speed =3D qcadev->init_speed; =20 if (qcadev->oper_speed) @@ -1317,7 +1316,8 @@ static int qca_set_baudrate(struct hci_dev *hdev, uin= t8_t baudrate) =20 /* Give the controller time to process the request */ if (qca_is_wcn399x(qca_soc_type(hu)) || - qca_is_wcn6750(qca_soc_type(hu))) + qca_is_wcn6750(qca_soc_type(hu)) || + qca_is_wcn6855(qca_soc_type(hu))) usleep_range(1000, 10000); else msleep(300); @@ -1394,7 +1394,8 @@ static unsigned int qca_get_speed(struct hci_uart *hu, static int qca_check_speeds(struct hci_uart *hu) { if (qca_is_wcn399x(qca_soc_type(hu)) || - qca_is_wcn6750(qca_soc_type(hu))) { + qca_is_wcn6750(qca_soc_type(hu)) || + qca_is_wcn6855(qca_soc_type(hu))) { if (!qca_get_speed(hu, QCA_INIT_SPEED) && !qca_get_speed(hu, QCA_OPER_SPEED)) return -EINVAL; @@ -1682,7 +1683,8 @@ static int qca_power_on(struct hci_dev *hdev) return 0; =20 if (qca_is_wcn399x(soc_type) || - qca_is_wcn6750(soc_type)) { + qca_is_wcn6750(soc_type) || + qca_is_wcn6855(soc_type)) { ret =3D qca_regulator_init(hu); } else { qcadev =3D serdev_device_get_drvdata(hu->serdev); @@ -1723,7 +1725,8 @@ static int qca_setup(struct hci_uart *hu) =20 bt_dev_info(hdev, "setting up %s", qca_is_wcn399x(soc_type) ? "wcn399x" : - (soc_type =3D=3D QCA_WCN6750) ? "wcn6750" : "ROME/QCA6390"); + (soc_type =3D=3D QCA_WCN6750) ? "wcn6750" : + (soc_type =3D=3D QCA_WCN6855) ? "wcn6855" : "ROME/QCA6390"); =20 qca->memdump_state =3D QCA_MEMDUMP_IDLE; =20 @@ -1735,7 +1738,8 @@ static int qca_setup(struct hci_uart *hu) clear_bit(QCA_SSR_TRIGGERED, &qca->flags); =20 if (qca_is_wcn399x(soc_type) || - qca_is_wcn6750(soc_type)) { + qca_is_wcn6750(soc_type) || + qca_is_wcn6855(soc_type)) { set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks); hci_set_aosp_capable(hdev); =20 @@ -1757,7 +1761,8 @@ static int qca_setup(struct hci_uart *hu) } =20 if (!(qca_is_wcn399x(soc_type) || - qca_is_wcn6750(soc_type))) { + qca_is_wcn6750(soc_type) || + qca_is_wcn6855(soc_type))) { /* Get QCA version information */ ret =3D qca_read_soc_version(hdev, &ver, soc_type); if (ret) @@ -1883,6 +1888,20 @@ static const struct qca_device_data qca_soc_data_wcn= 6750 =3D { .capabilities =3D QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES, }; =20 +static const struct qca_device_data qca_soc_data_wcn6855 =3D { + .soc_type =3D QCA_WCN6855, + .vregs =3D (struct qca_vreg []) { + { "vddio", 5000 }, + { "vddbtcxmx", 126000 }, + { "vddrfacmn", 12500 }, + { "vddrfa0p8", 102000 }, + { "vddrfa1p7", 302000 }, + { "vddrfa1p2", 257000 }, + }, + .num_vregs =3D 6, + .capabilities =3D QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES, +}; + static void qca_power_shutdown(struct hci_uart *hu) { struct qca_serdev *qcadev; @@ -2047,7 +2066,8 @@ static int qca_serdev_probe(struct serdev_device *ser= dev) =20 if (data && (qca_is_wcn399x(data->soc_type) || - qca_is_wcn6750(data->soc_type))) { + qca_is_wcn6750(data->soc_type) || + qca_is_wcn6855(data->soc_type))) { qcadev->btsoc_type =3D data->soc_type; qcadev->bt_power =3D devm_kzalloc(&serdev->dev, sizeof(struct qca_power), @@ -2067,14 +2087,18 @@ static int qca_serdev_probe(struct serdev_device *s= erdev) =20 qcadev->bt_en =3D devm_gpiod_get_optional(&serdev->dev, "enable", GPIOD_OUT_LOW); - if (IS_ERR_OR_NULL(qcadev->bt_en) && data->soc_type =3D=3D QCA_WCN6750) { + if (IS_ERR_OR_NULL(qcadev->bt_en) + && (data->soc_type =3D=3D QCA_WCN6750 || + data->soc_type =3D=3D QCA_WCN6855)) { dev_err(&serdev->dev, "failed to acquire BT_EN gpio\n"); power_ctrl_enabled =3D false; } =20 qcadev->sw_ctrl =3D devm_gpiod_get_optional(&serdev->dev, "swctrl", GPIOD_IN); - if (IS_ERR_OR_NULL(qcadev->sw_ctrl) && data->soc_type =3D=3D QCA_WCN6750) + if (IS_ERR_OR_NULL(qcadev->sw_ctrl) + && (data->soc_type =3D=3D QCA_WCN6750 || + data->soc_type =3D=3D QCA_WCN6855)) dev_warn(&serdev->dev, "failed to acquire SW_CTRL gpio\n"); =20 qcadev->susclk =3D devm_clk_get_optional(&serdev->dev, NULL); @@ -2150,7 +2174,8 @@ static void qca_serdev_remove(struct serdev_device *s= erdev) struct qca_power *power =3D qcadev->bt_power; =20 if ((qca_is_wcn399x(qcadev->btsoc_type) || - qca_is_wcn6750(qcadev->btsoc_type)) && + qca_is_wcn6750(qcadev->btsoc_type) || + qca_is_wcn6855(qcadev->btsoc_type)) && power->vregs_on) qca_power_shutdown(&qcadev->serdev_hu); else if (qcadev->susclk) @@ -2335,6 +2360,7 @@ static const struct of_device_id qca_bluetooth_of_mat= ch[] =3D { { .compatible =3D "qcom,wcn3991-bt", .data =3D &qca_soc_data_wcn3991}, { .compatible =3D "qcom,wcn3998-bt", .data =3D &qca_soc_data_wcn3998}, { .compatible =3D "qcom,wcn6750-bt", .data =3D &qca_soc_data_wcn6750}, + { .compatible =3D "qcom,wcn6855-bt", .data =3D &qca_soc_data_wcn6855}, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match); --=20 2.39.1