Maemo patchset 20101501+0m5

[h-e-n] / drivers / bluetooth / hci_h4p / fw-ti.c

diff --git a/drivers/bluetooth/hci_h4p/fw-ti.c b/drivers/bluetooth/hci_h4p/fw-ti.c
new file mode 100644 (file)
index 0000000..429d854
--- /dev/null
+++ b/drivers/bluetooth/hci_h4p/fw-ti.c
@@ -0,0 +1,97 @@
+/*
+ * This file is part of hci_h4p bluetooth driver
+ *
+ * Copyright (C) 2005-2008 Nokia Corporation.
+ *
+ * Contact: Ville Tervo <ville.tervo@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/skbuff.h>
+#include <linux/serial_reg.h>
+
+#include "hci_h4p.h"
+
+void hci_h4p_brf6150_parse_fw_event(struct hci_h4p_info *info,
+                                   struct sk_buff *skb)
+{
+       struct hci_fw_event *ev;
+       int err = 0;
+
+       if (bt_cb(skb)->pkt_type != H4_EVT_PKT) {
+               dev_err(info->dev, "Got non event fw packet.\n");
+               err = -EPROTO;
+               goto ret;
+       }
+
+       ev = (struct hci_fw_event *)skb->data;
+       if (ev->hev.evt != HCI_EV_CMD_COMPLETE) {
+               dev_err(info->dev, "Got non cmd complete fw event\n");
+               err = -EPROTO;
+               goto ret;
+       }
+
+       if (ev->status != 0) {
+               dev_err(info->dev, "Got error status from fw command\n");
+               err = -EPROTO;
+               goto ret;
+       }
+
+ret:
+       info->fw_error = err;
+       complete(&info->fw_completion);
+}
+
+int hci_h4p_brf6150_send_fw(struct hci_h4p_info *info,
+                           struct sk_buff_head *fw_queue)
+{
+       struct sk_buff *skb;
+       int err = 0;
+       unsigned long flags;
+
+       info->fw_error = 0;
+
+       while ((skb = skb_dequeue(fw_queue)) != NULL) {
+               /* We should allways send word aligned data to h4+ devices */
+               if (skb->len % 2) {
+                       err = skb_pad(skb, 1);
+               }
+               if (err)
+                       return err;
+
+               init_completion(&info->fw_completion);
+               skb_queue_tail(&info->txq, skb);
+               spin_lock_irqsave(&info->lock, flags);
+               hci_h4p_outb(info, UART_IER, hci_h4p_inb(info, UART_IER) |
+                            UART_IER_THRI);
+               spin_unlock_irqrestore(&info->lock, flags);
+
+               if (!wait_for_completion_timeout(&info->fw_completion, HZ)) {
+                       dev_err(info->dev, "Timeout while sending brf6150 fw\n");
+                       return -ETIMEDOUT;
+               }
+
+               if (info->fw_error) {
+                       dev_err(info->dev,
+                               "fw_error while sending bfr6150 fw\n");
+                       return -EPROTO;
+               }
+       }
+       NBT_DBG_FW("Firmware sent\n");
+
+       return 0;
+}