[PATCH v8 6/7] Bluetooth: btqca: Add wcn3990 firmware download support.
From: Balakrishna Godavarthi <hidden>
Date: 2018-06-25 13:40:53
Also in:
linux-arm-msm, linux-devicetree, lkml
Subsystem:
bluetooth drivers, qualcomm bluetooth driver, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Bartosz Golaszewski, Linus Torvalds
This patch enables the RAM and NV patch download for wcn3990. Signed-off-by: Balakrishna Godavarthi <redacted> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> --- drivers/bluetooth/btqca.c | 26 +++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-)
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 3b25be1be19c..25ef67739de0 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c@@ -332,6 +332,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, { struct rome_config config; int err; + u8 rom_ver; bt_dev_dbg(hdev, "QCA setup on UART");
@@ -346,11 +347,21 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, } bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver); } - /* Download rampatch file */ config.type = TLV_TYPE_PATCH; - snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin", - soc_ver); + 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. + */ + rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | + (soc_ver & 0x0000000f); + snprintf(config.fwname, sizeof(config.fwname), + "qca/crbtfw%02x.tlv", rom_ver); + } else { + snprintf(config.fwname, sizeof(config.fwname), + "qca/rampatch_%08x.bin", soc_ver); + } + err = qca_download_firmware(hdev, &config); if (err < 0) { bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
@@ -359,8 +370,13 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, /* Download NVM configuration */ config.type = TLV_TYPE_NVM; - snprintf(config.fwname, sizeof(config.fwname), "qca/nvm_%08x.bin", - soc_ver); + if (soc_type == QCA_WCN3990) + snprintf(config.fwname, sizeof(config.fwname), + "qca/crnv%02x.bin", rom_ver); + else + snprintf(config.fwname, sizeof(config.fwname), + "qca/nvm_%08x.bin", soc_ver); + err = qca_download_firmware(hdev, &config); if (err < 0) { bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
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