diff options
Diffstat (limited to 'drivers/staging/nokia_h4p/nokia_fw.c')
| -rw-r--r-- | drivers/staging/nokia_h4p/nokia_fw.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/drivers/staging/nokia_h4p/nokia_fw.c b/drivers/staging/nokia_h4p/nokia_fw.c deleted file mode 100644 index 14ba2193efb6..000000000000 --- a/drivers/staging/nokia_h4p/nokia_fw.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * This file is part of hci_h4p bluetooth driver - * - * Copyright (C) 2005, 2006 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/module.h> -#include <linux/skbuff.h> -#include <linux/firmware.h> -#include <linux/clk.h> - -#include <net/bluetooth/bluetooth.h> - -#include "hci_h4p.h" - -#define FW_NAME_TI1271_PRELE "ti1273_prele.bin" -#define FW_NAME_TI1271_LE "ti1273_le.bin" -#define FW_NAME_TI1271 "ti1273.bin" -#define FW_NAME_BCM2048 "bcmfw.bin" -#define FW_NAME_CSR "bc4fw.bin" - -static int fw_pos; - -/* Firmware handling */ -static int hci_h4p_open_firmware(struct hci_h4p_info *info, - const struct firmware **fw_entry) -{ - int err; - - fw_pos = 0; - BT_DBG("Opening firmware man_id 0x%.2x ver_id 0x%.2x", - info->man_id, info->ver_id); - switch (info->man_id) { - case H4P_ID_TI1271: - switch (info->ver_id) { - case 0xe1: - err = request_firmware(fw_entry, FW_NAME_TI1271_PRELE, - info->dev); - break; - case 0xd1: - case 0xf1: - err = request_firmware(fw_entry, FW_NAME_TI1271_LE, - info->dev); - break; - default: - err = request_firmware(fw_entry, FW_NAME_TI1271, - info->dev); - } - break; - case H4P_ID_CSR: - err = request_firmware(fw_entry, FW_NAME_CSR, info->dev); - break; - case H4P_ID_BCM2048: - err = request_firmware(fw_entry, FW_NAME_BCM2048, info->dev); - break; - default: - dev_err(info->dev, "Invalid chip type\n"); - *fw_entry = NULL; - err = -EINVAL; - } - - return err; -} - -static void hci_h4p_close_firmware(const struct firmware *fw_entry) -{ - release_firmware(fw_entry); -} - -/* Read fw. Return length of the command. If no more commands in - * fw 0 is returned. In error case return value is negative. - */ -static int hci_h4p_read_fw_cmd(struct hci_h4p_info *info, struct sk_buff **skb, - const struct firmware *fw_entry, gfp_t how) -{ - unsigned int cmd_len; - - if (fw_pos >= fw_entry->size) - return 0; - - if (fw_pos + 2 > fw_entry->size) { - dev_err(info->dev, "Corrupted firmware image 1\n"); - return -EMSGSIZE; - } - - cmd_len = fw_entry->data[fw_pos++]; - cmd_len += fw_entry->data[fw_pos++] << 8; - if (cmd_len == 0) - return 0; - - if (fw_pos + cmd_len > fw_entry->size) { - dev_err(info->dev, "Corrupted firmware image 2\n"); - return -EMSGSIZE; - } - - *skb = bt_skb_alloc(cmd_len, how); - if (!*skb) { - dev_err(info->dev, "Cannot reserve memory for buffer\n"); - return -ENOMEM; - } - memcpy(skb_put(*skb, cmd_len), &fw_entry->data[fw_pos], cmd_len); - - fw_pos += cmd_len; - - return (*skb)->len; -} - -int hci_h4p_read_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue) -{ - const struct firmware *fw_entry = NULL; - struct sk_buff *skb = NULL; - int err; - - err = hci_h4p_open_firmware(info, &fw_entry); - if (err < 0 || !fw_entry) - goto err_clean; - - while ((err = hci_h4p_read_fw_cmd(info, &skb, fw_entry, GFP_KERNEL))) { - if (err < 0 || !skb) - goto err_clean; - - skb_queue_tail(fw_queue, skb); - } - - /* Chip detection code does neg and alive stuff - * discard two first skbs */ - skb = skb_dequeue(fw_queue); - if (!skb) { - err = -EMSGSIZE; - goto err_clean; - } - kfree_skb(skb); - skb = skb_dequeue(fw_queue); - if (!skb) { - err = -EMSGSIZE; - goto err_clean; - } - kfree_skb(skb); - -err_clean: - hci_h4p_close_firmware(fw_entry); - return err; -} - -int hci_h4p_send_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue) -{ - int err; - - switch (info->man_id) { - case H4P_ID_CSR: - err = hci_h4p_bc4_send_fw(info, fw_queue); - break; - case H4P_ID_TI1271: - err = hci_h4p_ti1273_send_fw(info, fw_queue); - break; - case H4P_ID_BCM2048: - err = hci_h4p_bcm_send_fw(info, fw_queue); - break; - default: - dev_err(info->dev, "Don't know how to send firmware\n"); - err = -EINVAL; - } - - return err; -} - -void hci_h4p_parse_fw_event(struct hci_h4p_info *info, struct sk_buff *skb) -{ - switch (info->man_id) { - case H4P_ID_CSR: - hci_h4p_bc4_parse_fw_event(info, skb); - break; - case H4P_ID_TI1271: - hci_h4p_ti1273_parse_fw_event(info, skb); - break; - case H4P_ID_BCM2048: - hci_h4p_bcm_parse_fw_event(info, skb); - break; - default: - dev_err(info->dev, "Don't know how to parse fw event\n"); - info->fw_error = -EINVAL; - } - - return; -} - -MODULE_FIRMWARE(FW_NAME_TI1271_PRELE); -MODULE_FIRMWARE(FW_NAME_TI1271_LE); -MODULE_FIRMWARE(FW_NAME_TI1271); -MODULE_FIRMWARE(FW_NAME_BCM2048); -MODULE_FIRMWARE(FW_NAME_CSR); |