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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> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
132ff4e5 BZ |
25 | #include <net/bluetooth/bluetooth.h> |
26 | ||
27 | #define BTM_HEADER_LEN 4 | |
132ff4e5 BZ |
28 | #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 | ||
35 | struct btmrvl_thread { | |
36 | struct task_struct *task; | |
37 | wait_queue_head_t wait_q; | |
38 | void *priv; | |
39 | }; | |
40 | ||
41 | struct btmrvl_device { | |
132ff4e5 BZ |
42 | 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 | ||
59 | struct 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 | ||
70 | struct 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 */ | |
fb784f05 BZ |
78 | #ifdef CONFIG_DEBUG_FS |
79 | void *debugfs_data; | |
80 | #endif | |
132ff4e5 BZ |
81 | }; |
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 | ||
903c8437 | 91 | /* Sub-commands: Module Bringup/Shutdown Request/Response */ |
132ff4e5 | 92 | #define MODULE_BRINGUP_REQ 0xF1 |
903c8437 BZ |
93 | #define MODULE_BROUGHT_UP 0x00 |
94 | #define MODULE_ALREADY_UP 0x0C | |
95 | ||
132ff4e5 BZ |
96 | #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 | ||
115 | struct btmrvl_cmd { | |
116 | __le16 ocf_ogf; | |
117 | u8 length; | |
118 | u8 data[4]; | |
119 | } __attribute__ ((packed)); | |
120 | ||
121 | struct btmrvl_event { | |
122 | u8 ec; /* event counter */ | |
123 | u8 length; | |
124 | u8 data[4]; | |
125 | } __attribute__ ((packed)); | |
126 | ||
127 | /* Prototype of global function */ | |
128 | ||
64061607 | 129 | int btmrvl_register_hdev(struct btmrvl_private *priv); |
132ff4e5 BZ |
130 | struct btmrvl_private *btmrvl_add_card(void *card); |
131 | int btmrvl_remove_card(struct btmrvl_private *priv); | |
132 | ||
133 | void btmrvl_interrupt(struct btmrvl_private *priv); | |
134 | ||
135 | void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb); | |
136 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb); | |
137 | ||
138 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd); | |
32fd6398 | 139 | int btmrvl_enable_ps(struct btmrvl_private *priv); |
132ff4e5 BZ |
140 | int btmrvl_prepare_command(struct btmrvl_private *priv); |
141 | ||
fb784f05 BZ |
142 | #ifdef CONFIG_DEBUG_FS |
143 | void btmrvl_debugfs_init(struct hci_dev *hdev); | |
144 | void btmrvl_debugfs_remove(struct hci_dev *hdev); | |
145 | #endif |