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Bing Zhao132ff4e2009-06-02 14:29:35 -07001/*
2 * Marvell Bluetooth driver: global definitions & declarations
3 *
4 * Copyright (C) 2009, Marvell International Ltd.
5 *
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.
13 *
14 *
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.
19 *
20 */
21
Bing Zhao132ff4e2009-06-02 14:29:35 -070022#include <linux/kthread.h>
23#include <linux/bitops.h>
24#include <net/bluetooth/bluetooth.h>
25
26#define BTM_HEADER_LEN 4
Bing Zhao132ff4e2009-06-02 14:29:35 -070027#define BTM_UPLD_SIZE 2312
28
29/* Time to wait until Host Sleep state change in millisecond */
30#define WAIT_UNTIL_HS_STATE_CHANGED 5000
31/* Time to wait for command response in millisecond */
32#define WAIT_UNTIL_CMD_RESP 5000
33
34struct btmrvl_thread {
35 struct task_struct *task;
36 wait_queue_head_t wait_q;
37 void *priv;
38};
39
40struct btmrvl_device {
Bing Zhao132ff4e2009-06-02 14:29:35 -070041 void *card;
42 struct hci_dev *hcidev;
43
44 u8 tx_dnld_rdy;
45
46 u8 psmode;
47 u8 pscmd;
48 u8 hsmode;
49 u8 hscmd;
50
51 /* Low byte is gap, high byte is GPIO */
52 u16 gpio_gap;
53
54 u8 hscfgcmd;
55 u8 sendcmdflag;
56};
57
58struct btmrvl_adapter {
59 u32 int_count;
60 struct sk_buff_head tx_queue;
61 u8 psmode;
62 u8 ps_state;
63 u8 hs_state;
64 u8 wakeup_tries;
65 wait_queue_head_t cmd_wait_q;
66 u8 cmd_complete;
67};
68
69struct btmrvl_private {
70 struct btmrvl_device btmrvl_dev;
71 struct btmrvl_adapter *adapter;
72 struct btmrvl_thread main_thread;
73 int (*hw_host_to_card) (struct btmrvl_private *priv,
74 u8 *payload, u16 nb);
75 int (*hw_wakeup_firmware) (struct btmrvl_private *priv);
76 spinlock_t driver_lock; /* spinlock used by driver */
Bing Zhaofb784f02009-06-02 14:29:37 -070077#ifdef CONFIG_DEBUG_FS
78 void *debugfs_data;
79#endif
Bing Zhao132ff4e2009-06-02 14:29:35 -070080};
81
82#define MRVL_VENDOR_PKT 0xFE
83
84/* Bluetooth commands */
85#define BT_CMD_AUTO_SLEEP_MODE 0x23
86#define BT_CMD_HOST_SLEEP_CONFIG 0x59
87#define BT_CMD_HOST_SLEEP_ENABLE 0x5A
88#define BT_CMD_MODULE_CFG_REQ 0x5B
89
90/* Sub-commands: Module Bringup/Shutdown Request */
91#define MODULE_BRINGUP_REQ 0xF1
92#define MODULE_SHUTDOWN_REQ 0xF2
93
94#define BT_EVENT_POWER_STATE 0x20
95
96/* Bluetooth Power States */
97#define BT_PS_ENABLE 0x02
98#define BT_PS_DISABLE 0x03
99#define BT_PS_SLEEP 0x01
100
101#define OGF 0x3F
102
103/* Host Sleep states */
104#define HS_ACTIVATED 0x01
105#define HS_DEACTIVATED 0x00
106
107/* Power Save modes */
108#define PS_SLEEP 0x01
109#define PS_AWAKE 0x00
110
111struct btmrvl_cmd {
112 __le16 ocf_ogf;
113 u8 length;
114 u8 data[4];
115} __attribute__ ((packed));
116
117struct btmrvl_event {
118 u8 ec; /* event counter */
119 u8 length;
120 u8 data[4];
121} __attribute__ ((packed));
122
123/* Prototype of global function */
124
125struct btmrvl_private *btmrvl_add_card(void *card);
126int btmrvl_remove_card(struct btmrvl_private *priv);
127
128void btmrvl_interrupt(struct btmrvl_private *priv);
129
130void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
131int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
132
133int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd);
134int btmrvl_prepare_command(struct btmrvl_private *priv);
135
Bing Zhaofb784f02009-06-02 14:29:37 -0700136#ifdef CONFIG_DEBUG_FS
137void btmrvl_debugfs_init(struct hci_dev *hdev);
138void btmrvl_debugfs_remove(struct hci_dev *hdev);
139#endif