From fbbe83c52bc0d52398de72d7df1857cc9b36244e Mon Sep 17 00:00:00 2001 From: Tedd Ho-Jeong An Date: Wed, 24 Jan 2018 09:19:21 -0800 Subject: Bluetooth: btintel: Create common function for firmware download The firmware download flow for RAM SKU is same for both USB and UART and this patch creates a common function for both driver. Signed-off-by: Tedd Ho-Jeong An Signed-off-by: Marcel Holtmann --- drivers/bluetooth/hci_intel.c | 83 ++----------------------------------------- 1 file changed, 3 insertions(+), 80 deletions(-) (limited to 'drivers/bluetooth/hci_intel.c') diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c index cf74385..7c166e3 100644 --- a/drivers/bluetooth/hci_intel.c +++ b/drivers/bluetooth/hci_intel.c @@ -33,7 +33,6 @@ #include #include #include -#include #include #include @@ -548,9 +547,7 @@ static int intel_setup(struct hci_uart *hu) struct intel_boot_params params; struct list_head *p; const struct firmware *fw; - const u8 *fw_ptr; char fwname[64]; - u32 frag_len; u32 boot_param; ktime_t calltime, delta, rettime; unsigned long long duration; @@ -761,84 +758,10 @@ static int intel_setup(struct hci_uart *hu) set_bit(STATE_DOWNLOADING, &intel->flags); - /* Start the firmware download transaction with the Init fragment - * represented by the 128 bytes of CSS header. - */ - err = btintel_secure_send(hdev, 0x00, 128, fw->data); - if (err < 0) { - bt_dev_err(hdev, "Failed to send firmware header (%d)", err); - goto done; - } - - /* Send the 256 bytes of public key information from the firmware - * as the PKey fragment. - */ - err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128); - if (err < 0) { - bt_dev_err(hdev, "Failed to send firmware public key (%d)", - err); - goto done; - } - - /* Send the 256 bytes of signature information from the firmware - * as the Sign fragment. - */ - err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388); - if (err < 0) { - bt_dev_err(hdev, "Failed to send firmware signature (%d)", - err); + /* Start firmware downloading and get boot parameter */ + err = btintel_download_firmware(hdev, fw, &boot_param); + if (err < 0) goto done; - } - - fw_ptr = fw->data + 644; - frag_len = 0; - - while (fw_ptr - fw->data < fw->size) { - struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len); - - /* Each SKU has a different reset parameter to use in the - * HCI_Intel_Reset command and it is embedded in the firmware - * data. So, instead of using static value per SKU, check - * the firmware data and save it for later use. - */ - if (cmd->opcode == 0xfc0e) { - /* The boot parameter is the first 32-bit value - * and rest of 3 octets are reserved. - */ - boot_param = get_unaligned_le32(fw_ptr + sizeof(*cmd)); - - bt_dev_dbg(hdev, "boot_param=0x%x", boot_param); - } - - frag_len += sizeof(*cmd) + cmd->plen; - - bt_dev_dbg(hdev, "Patching %td/%zu", (fw_ptr - fw->data), - fw->size); - - /* The parameter length of the secure send command requires - * a 4 byte alignment. It happens so that the firmware file - * contains proper Intel_NOP commands to align the fragments - * as needed. - * - * Send set of commands with 4 byte alignment from the - * firmware data buffer as a single Data fragement. - */ - if (frag_len % 4) - continue; - - /* Send each command from the firmware data buffer as - * a single Data fragment. - */ - err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr); - if (err < 0) { - bt_dev_err(hdev, "Failed to send firmware data (%d)", - err); - goto done; - } - - fw_ptr += frag_len; - frag_len = 0; - } set_bit(STATE_FIRMWARE_LOADED, &intel->flags); -- cgit v1.1