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132ff4e5 BZ |
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 | ||
132ff4e5 BZ |
22 | #include <linux/kthread.h> |
23 | #include <linux/bitops.h> | |
24 | #include <net/bluetooth/bluetooth.h> | |
25 | ||
26 | #define BTM_HEADER_LEN 4 | |
132ff4e5 BZ |
27 | #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 | ||
34 | struct btmrvl_thread { | |
35 | struct task_struct *task; | |
36 | wait_queue_head_t wait_q; | |
37 | void *priv; | |
38 | }; | |
39 | ||
40 | struct btmrvl_device { | |
132ff4e5 BZ |
41 | 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 | ||
58 | struct 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 | ||
69 | struct 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 */ | |
fb784f05 BZ |
77 | #ifdef CONFIG_DEBUG_FS |
78 | void *debugfs_data; | |
79 | #endif | |
132ff4e5 BZ |
80 | }; |
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 | ||
111 | struct btmrvl_cmd { | |
112 | __le16 ocf_ogf; | |
113 | u8 length; | |
114 | u8 data[4]; | |
115 | } __attribute__ ((packed)); | |
116 | ||
117 | struct btmrvl_event { | |
118 | u8 ec; /* event counter */ | |
119 | u8 length; | |
120 | u8 data[4]; | |
121 | } __attribute__ ((packed)); | |
122 | ||
123 | /* Prototype of global function */ | |
124 | ||
125 | struct btmrvl_private *btmrvl_add_card(void *card); | |
126 | int btmrvl_remove_card(struct btmrvl_private *priv); | |
127 | ||
128 | void btmrvl_interrupt(struct btmrvl_private *priv); | |
129 | ||
130 | void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb); | |
131 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb); | |
132 | ||
133 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd); | |
134 | int btmrvl_prepare_command(struct btmrvl_private *priv); | |
135 | ||
fb784f05 BZ |
136 | #ifdef CONFIG_DEBUG_FS |
137 | void btmrvl_debugfs_init(struct hci_dev *hdev); | |
138 | void btmrvl_debugfs_remove(struct hci_dev *hdev); | |
139 | #endif |