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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>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090024#include <linux/slab.h>
Bing Zhao132ff4e2009-06-02 14:29:35 -070025#include <net/bluetooth/bluetooth.h>
26
27#define BTM_HEADER_LEN 4
Bing Zhao132ff4e2009-06-02 14:29:35 -070028#define BTM_UPLD_SIZE 2312
29
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
34
35struct btmrvl_thread {
36 struct task_struct *task;
37 wait_queue_head_t wait_q;
38 void *priv;
39};
40
41struct btmrvl_device {
Bing Zhao132ff4e2009-06-02 14:29:35 -070042 void *card;
43 struct hci_dev *hcidev;
44
45 u8 tx_dnld_rdy;
46
47 u8 psmode;
48 u8 pscmd;
49 u8 hsmode;
50 u8 hscmd;
51
52 /* Low byte is gap, high byte is GPIO */
53 u16 gpio_gap;
54
55 u8 hscfgcmd;
56 u8 sendcmdflag;
57};
58
59struct btmrvl_adapter {
60 u32 int_count;
61 struct sk_buff_head tx_queue;
62 u8 psmode;
63 u8 ps_state;
64 u8 hs_state;
65 u8 wakeup_tries;
66 wait_queue_head_t cmd_wait_q;
67 u8 cmd_complete;
68};
69
70struct btmrvl_private {
71 struct btmrvl_device btmrvl_dev;
72 struct btmrvl_adapter *adapter;
73 struct btmrvl_thread main_thread;
74 int (*hw_host_to_card) (struct btmrvl_private *priv,
75 u8 *payload, u16 nb);
76 int (*hw_wakeup_firmware) (struct btmrvl_private *priv);
77 spinlock_t driver_lock; /* spinlock used by driver */
Bing Zhaofb784f02009-06-02 14:29:37 -070078#ifdef CONFIG_DEBUG_FS
79 void *debugfs_data;
80#endif
Bing Zhao132ff4e2009-06-02 14:29:35 -070081};
82
83#define MRVL_VENDOR_PKT 0xFE
84
85/* Bluetooth commands */
86#define BT_CMD_AUTO_SLEEP_MODE 0x23
87#define BT_CMD_HOST_SLEEP_CONFIG 0x59
88#define BT_CMD_HOST_SLEEP_ENABLE 0x5A
89#define BT_CMD_MODULE_CFG_REQ 0x5B
90
Bing Zhao903c8432010-03-03 14:37:35 -080091/* Sub-commands: Module Bringup/Shutdown Request/Response */
Bing Zhao132ff4e2009-06-02 14:29:35 -070092#define MODULE_BRINGUP_REQ 0xF1
Bing Zhao903c8432010-03-03 14:37:35 -080093#define MODULE_BROUGHT_UP 0x00
94#define MODULE_ALREADY_UP 0x0C
95
Bing Zhao132ff4e2009-06-02 14:29:35 -070096#define MODULE_SHUTDOWN_REQ 0xF2
97
98#define BT_EVENT_POWER_STATE 0x20
99
100/* Bluetooth Power States */
101#define BT_PS_ENABLE 0x02
102#define BT_PS_DISABLE 0x03
103#define BT_PS_SLEEP 0x01
104
105#define OGF 0x3F
106
107/* Host Sleep states */
108#define HS_ACTIVATED 0x01
109#define HS_DEACTIVATED 0x00
110
111/* Power Save modes */
112#define PS_SLEEP 0x01
113#define PS_AWAKE 0x00
114
115struct btmrvl_cmd {
116 __le16 ocf_ogf;
117 u8 length;
118 u8 data[4];
119} __attribute__ ((packed));
120
121struct btmrvl_event {
122 u8 ec; /* event counter */
123 u8 length;
124 u8 data[4];
125} __attribute__ ((packed));
126
127/* Prototype of global function */
128
Bing Zhao64061602010-03-03 14:37:36 -0800129int btmrvl_register_hdev(struct btmrvl_private *priv);
Bing Zhao132ff4e2009-06-02 14:29:35 -0700130struct btmrvl_private *btmrvl_add_card(void *card);
131int btmrvl_remove_card(struct btmrvl_private *priv);
132
133void btmrvl_interrupt(struct btmrvl_private *priv);
134
135void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
136int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
137
138int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd);
Amitkumar Karwar32fd6392009-09-30 11:18:30 -0700139int btmrvl_enable_ps(struct btmrvl_private *priv);
Bing Zhao132ff4e2009-06-02 14:29:35 -0700140int btmrvl_prepare_command(struct btmrvl_private *priv);
141
Bing Zhaofb784f02009-06-02 14:29:37 -0700142#ifdef CONFIG_DEBUG_FS
143void btmrvl_debugfs_init(struct hci_dev *hdev);
144void btmrvl_debugfs_remove(struct hci_dev *hdev);
145#endif