2 * Marvell Bluetooth driver: global definitions & declarations
4 * Copyright (C) 2009, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
15 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
17 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
18 * this warranty disclaimer.
22 #include <linux/kthread.h>
23 #include <linux/bitops.h>
24 #include <linux/slab.h>
25 #include <net/bluetooth/bluetooth.h>
27 #define BTM_HEADER_LEN 4
28 #define BTM_UPLD_SIZE 2312
30 /* Time to wait until Host Sleep state change in millisecond */
31 #define WAIT_UNTIL_HS_STATE_CHANGED 5000
32 /* Time to wait for command response in millisecond */
33 #define WAIT_UNTIL_CMD_RESP 5000
35 struct btmrvl_thread {
36 struct task_struct *task;
37 wait_queue_head_t wait_q;
41 struct btmrvl_device {
43 struct hci_dev *hcidev;
54 /* Low byte is gap, high byte is GPIO */
61 struct btmrvl_adapter {
63 struct sk_buff_head tx_queue;
68 wait_queue_head_t cmd_wait_q;
72 struct btmrvl_private {
73 struct btmrvl_device btmrvl_dev;
74 struct btmrvl_adapter *adapter;
75 struct btmrvl_thread main_thread;
76 int (*hw_host_to_card) (struct btmrvl_private *priv,
78 int (*hw_wakeup_firmware) (struct btmrvl_private *priv);
79 int (*hw_process_int_status) (struct btmrvl_private *priv);
80 spinlock_t driver_lock; /* spinlock used by driver */
81 #ifdef CONFIG_DEBUG_FS
86 #define MRVL_VENDOR_PKT 0xFE
88 /* Bluetooth commands */
89 #define BT_CMD_AUTO_SLEEP_MODE 0x23
90 #define BT_CMD_HOST_SLEEP_CONFIG 0x59
91 #define BT_CMD_HOST_SLEEP_ENABLE 0x5A
92 #define BT_CMD_MODULE_CFG_REQ 0x5B
94 /* Sub-commands: Module Bringup/Shutdown Request/Response */
95 #define MODULE_BRINGUP_REQ 0xF1
96 #define MODULE_BROUGHT_UP 0x00
97 #define MODULE_ALREADY_UP 0x0C
99 #define MODULE_SHUTDOWN_REQ 0xF2
101 #define BT_EVENT_POWER_STATE 0x20
103 /* Bluetooth Power States */
104 #define BT_PS_ENABLE 0x02
105 #define BT_PS_DISABLE 0x03
106 #define BT_PS_SLEEP 0x01
110 /* Host Sleep states */
111 #define HS_ACTIVATED 0x01
112 #define HS_DEACTIVATED 0x00
114 /* Power Save modes */
115 #define PS_SLEEP 0x01
116 #define PS_AWAKE 0x00
124 struct btmrvl_event {
125 u8 ec; /* event counter */
130 /* Prototype of global function */
132 int btmrvl_register_hdev(struct btmrvl_private *priv);
133 struct btmrvl_private *btmrvl_add_card(void *card);
134 int btmrvl_remove_card(struct btmrvl_private *priv);
136 void btmrvl_interrupt(struct btmrvl_private *priv);
138 void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
139 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
141 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd);
142 int btmrvl_enable_ps(struct btmrvl_private *priv);
143 int btmrvl_prepare_command(struct btmrvl_private *priv);
145 #ifdef CONFIG_DEBUG_FS
146 void btmrvl_debugfs_init(struct hci_dev *hdev);
147 void btmrvl_debugfs_remove(struct hci_dev *hdev);