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Subject[PATCH v10 6/7] Bluetooth: btqca: Add wcn3990 firmware download support.
Date
This patch enables the RAM and NV patch download for wcn3990.

Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
---
drivers/bluetooth/btqca.c | 25 +++++++++++++++++++++----
1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index b556710ee1bd..5f9dd27a26a0 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -335,6 +335,7 @@ 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");

@@ -342,8 +343,19 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,

/* 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);
@@ -352,8 +364,13 @@ 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);
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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