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1 | /* |
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 | ||
22 | #ifndef _BTMRVL_DRV_H_ | |
23 | #define _BTMRVL_DRV_H_ | |
24 | ||
25 | #include <linux/kthread.h> | |
26 | #include <linux/bitops.h> | |
27 | #include <net/bluetooth/bluetooth.h> | |
28 | ||
29 | #define BTM_HEADER_LEN 4 | |
30 | #define BTM_DEV_NAME_LEN 32 | |
31 | #define BTM_UPLD_SIZE 2312 | |
32 | ||
33 | /* Time to wait until Host Sleep state change in millisecond */ | |
34 | #define WAIT_UNTIL_HS_STATE_CHANGED 5000 | |
35 | /* Time to wait for command response in millisecond */ | |
36 | #define WAIT_UNTIL_CMD_RESP 5000 | |
37 | ||
38 | struct btmrvl_thread { | |
39 | struct task_struct *task; | |
40 | wait_queue_head_t wait_q; | |
41 | void *priv; | |
42 | }; | |
43 | ||
44 | struct btmrvl_device { | |
45 | char name[BTM_DEV_NAME_LEN]; | |
46 | void *card; | |
47 | struct hci_dev *hcidev; | |
48 | ||
49 | u8 tx_dnld_rdy; | |
50 | ||
51 | u8 psmode; | |
52 | u8 pscmd; | |
53 | u8 hsmode; | |
54 | u8 hscmd; | |
55 | ||
56 | /* Low byte is gap, high byte is GPIO */ | |
57 | u16 gpio_gap; | |
58 | ||
59 | u8 hscfgcmd; | |
60 | u8 sendcmdflag; | |
61 | }; | |
62 | ||
63 | struct btmrvl_adapter { | |
64 | u32 int_count; | |
65 | struct sk_buff_head tx_queue; | |
66 | u8 psmode; | |
67 | u8 ps_state; | |
68 | u8 hs_state; | |
69 | u8 wakeup_tries; | |
70 | wait_queue_head_t cmd_wait_q; | |
71 | u8 cmd_complete; | |
72 | }; | |
73 | ||
74 | struct btmrvl_private { | |
75 | struct btmrvl_device btmrvl_dev; | |
76 | struct btmrvl_adapter *adapter; | |
77 | struct btmrvl_thread main_thread; | |
78 | int (*hw_host_to_card) (struct btmrvl_private *priv, | |
79 | u8 *payload, u16 nb); | |
80 | int (*hw_wakeup_firmware) (struct btmrvl_private *priv); | |
81 | spinlock_t driver_lock; /* spinlock used by driver */ | |
82 | }; | |
83 | ||
84 | #define MRVL_VENDOR_PKT 0xFE | |
85 | ||
86 | /* Bluetooth commands */ | |
87 | #define BT_CMD_AUTO_SLEEP_MODE 0x23 | |
88 | #define BT_CMD_HOST_SLEEP_CONFIG 0x59 | |
89 | #define BT_CMD_HOST_SLEEP_ENABLE 0x5A | |
90 | #define BT_CMD_MODULE_CFG_REQ 0x5B | |
91 | ||
92 | /* Sub-commands: Module Bringup/Shutdown Request */ | |
93 | #define MODULE_BRINGUP_REQ 0xF1 | |
94 | #define MODULE_SHUTDOWN_REQ 0xF2 | |
95 | ||
96 | #define BT_EVENT_POWER_STATE 0x20 | |
97 | ||
98 | /* Bluetooth Power States */ | |
99 | #define BT_PS_ENABLE 0x02 | |
100 | #define BT_PS_DISABLE 0x03 | |
101 | #define BT_PS_SLEEP 0x01 | |
102 | ||
103 | #define OGF 0x3F | |
104 | ||
105 | /* Host Sleep states */ | |
106 | #define HS_ACTIVATED 0x01 | |
107 | #define HS_DEACTIVATED 0x00 | |
108 | ||
109 | /* Power Save modes */ | |
110 | #define PS_SLEEP 0x01 | |
111 | #define PS_AWAKE 0x00 | |
112 | ||
113 | struct btmrvl_cmd { | |
114 | __le16 ocf_ogf; | |
115 | u8 length; | |
116 | u8 data[4]; | |
117 | } __attribute__ ((packed)); | |
118 | ||
119 | struct btmrvl_event { | |
120 | u8 ec; /* event counter */ | |
121 | u8 length; | |
122 | u8 data[4]; | |
123 | } __attribute__ ((packed)); | |
124 | ||
125 | /* Prototype of global function */ | |
126 | ||
127 | struct btmrvl_private *btmrvl_add_card(void *card); | |
128 | int btmrvl_remove_card(struct btmrvl_private *priv); | |
129 | ||
130 | void btmrvl_interrupt(struct btmrvl_private *priv); | |
131 | ||
132 | void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb); | |
133 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb); | |
134 | ||
135 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd); | |
136 | int btmrvl_prepare_command(struct btmrvl_private *priv); | |
137 | ||
138 | #endif /* _BTMRVL_DRV_H_ */ |