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[144.178.202.138]) by smtp.gmail.com with ESMTPSA id mb20-20020a170906eb1400b0094f432f2429sm2104299ejb.109.2023.04.21.07.11.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Apr 2023 07:11:43 -0700 (PDT) From: Luca Weiss Date: Fri, 21 Apr 2023 16:11:39 +0200 Subject: [PATCH RFC 2/4] Bluetooth: btqca: Add WCN3988 support MIME-Version: 1.0 Message-Id: <20230421-fp4-bluetooth-v1-2-0430e3a7e0a2@fairphone.com> References: <20230421-fp4-bluetooth-v1-0-0430e3a7e0a2@fairphone.com> In-Reply-To: <20230421-fp4-bluetooth-v1-0-0430e3a7e0a2@fairphone.com> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Balakrishna Godavarthi , Rocky Liao , Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz , Andy Gross , Bjorn Andersson , Konrad Dybcio Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, Luca Weiss X-Mailer: b4 0.12.2 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Add support for the Bluetooth chip codenamed APACHE which is part of WCN3988. The firmware for this chip has a slightly different naming scheme compared to most others. For ROM Version 0x0200 we need to use apbtfw10.tlv + apnv10.bin and for ROM version 0x201 apbtfw11.tlv + apnv11.bin Signed-off-by: Luca Weiss --- drivers/bluetooth/btqca.c | 13 +++++++++++-- drivers/bluetooth/btqca.h | 12 ++++++++++-- drivers/bluetooth/hci_qca.c | 12 ++++++++++++ 3 files changed, 33 insertions(+), 4 deletions(-) diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index fd0941fe8608..3ee1ef88a640 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -594,14 +594,20 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, /* Firmware files to download are based on ROM version. * ROM version is derived from last two bytes of soc_ver. */ - rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); + if (soc_type == QCA_WCN3988) + rom_ver = ((soc_ver & 0x00000f00) >> 0x05) | (soc_ver & 0x0000000f); + else + rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); if (soc_type == QCA_WCN6750) qca_send_patch_config_cmd(hdev); /* Download rampatch file */ config.type = TLV_TYPE_PATCH; - if (qca_is_wcn399x(soc_type)) { + if (soc_type == QCA_WCN3988) { + snprintf(config.fwname, sizeof(config.fwname), + "qca/apbtfw%02x.tlv", rom_ver); + } else if (qca_is_wcn399x(soc_type)) { snprintf(config.fwname, sizeof(config.fwname), "qca/crbtfw%02x.tlv", rom_ver); } else if (soc_type == QCA_QCA6390) { @@ -636,6 +642,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, if (firmware_name) snprintf(config.fwname, sizeof(config.fwname), "qca/%s", firmware_name); + else if (soc_type == QCA_WCN3988) + snprintf(config.fwname, sizeof(config.fwname), + "qca/apnv%02x.bin", rom_ver); else if (qca_is_wcn399x(soc_type)) { if (ver.soc_id == QCA_WCN3991_SOC_ID) { snprintf(config.fwname, sizeof(config.fwname), diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h index b884095bcd9d..fc6cf314eb0e 100644 --- a/drivers/bluetooth/btqca.h +++ b/drivers/bluetooth/btqca.h @@ -142,6 +142,7 @@ enum qca_btsoc_type { QCA_INVALID = -1, QCA_AR3002, QCA_ROME, + QCA_WCN3988, QCA_WCN3990, QCA_WCN3998, QCA_WCN3991, @@ -162,8 +163,15 @@ int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr); int qca_send_pre_shutdown_cmd(struct hci_dev *hdev); static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type) { - return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3991 || - soc_type == QCA_WCN3998; + switch (soc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + return true; + default: + return false; + } } static inline bool qca_is_wcn6750(enum qca_btsoc_type soc_type) { diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 1597797ff169..96b837410a6b 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1835,6 +1835,17 @@ static const struct hci_uart_proto qca_proto = { .dequeue = qca_dequeue, }; +static const struct qca_device_data qca_soc_data_wcn3988 __maybe_unused = { + .soc_type = QCA_WCN3988, + .vregs = (struct qca_vreg []) { + { "vddio", 15000 }, + { "vddxo", 80000 }, + { "vddrf", 300000 }, + { "vddch0", 450000 }, + }, + .num_vregs = 4, +}; + static const struct qca_device_data qca_soc_data_wcn3990 __maybe_unused = { .soc_type = QCA_WCN3990, .vregs = (struct qca_vreg []) { @@ -2359,6 +2370,7 @@ 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,qca9377-bt" }, + { .compatible = "qcom,wcn3988-bt", .data = &qca_soc_data_wcn3988}, { .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},