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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
Bing Zhaof120c6b2010-03-03 14:37:37 -080045 u8 dev_type;
46
Bing Zhao132ff4e2009-06-02 14:29:35 -070047 u8 tx_dnld_rdy;
48
49 u8 psmode;
50 u8 pscmd;
51 u8 hsmode;
52 u8 hscmd;
53
54 /* Low byte is gap, high byte is GPIO */
55 u16 gpio_gap;
56
57 u8 hscfgcmd;
58 u8 sendcmdflag;
59};
60
61struct btmrvl_adapter {
Bing Zhao0d367402014-03-28 14:54:39 -070062 void *hw_regs_buf;
63 u8 *hw_regs;
Bing Zhao132ff4e2009-06-02 14:29:35 -070064 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;
Chin-Ran Lo396e04f2014-07-01 14:00:14 -070071 wait_queue_head_t event_hs_wait_q;
Bing Zhao132ff4e2009-06-02 14:29:35 -070072 u8 cmd_complete;
Amitkumar Karwarba54a162012-04-25 11:43:54 -070073 bool is_suspended;
Bing Zhao132ff4e2009-06-02 14:29:35 -070074};
75
76struct btmrvl_private {
77 struct btmrvl_device btmrvl_dev;
78 struct btmrvl_adapter *adapter;
79 struct btmrvl_thread main_thread;
80 int (*hw_host_to_card) (struct btmrvl_private *priv,
81 u8 *payload, u16 nb);
82 int (*hw_wakeup_firmware) (struct btmrvl_private *priv);
Amitkumar Karward1d10d72010-05-27 16:38:37 -070083 int (*hw_process_int_status) (struct btmrvl_private *priv);
Bing Zhao132ff4e2009-06-02 14:29:35 -070084 spinlock_t driver_lock; /* spinlock used by driver */
Bing Zhaofb784f02009-06-02 14:29:37 -070085#ifdef CONFIG_DEBUG_FS
86 void *debugfs_data;
87#endif
Bing Zhao132ff4e2009-06-02 14:29:35 -070088};
89
90#define MRVL_VENDOR_PKT 0xFE
91
Bing Zhao3e4543a2013-10-31 15:08:31 -070092/* Vendor specific Bluetooth commands */
Bing Zhao4df82b52014-03-31 14:41:44 -070093#define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03
Bing Zhao3e4543a2013-10-31 15:08:31 -070094#define BT_CMD_AUTO_SLEEP_MODE 0xFC23
95#define BT_CMD_HOST_SLEEP_CONFIG 0xFC59
96#define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A
97#define BT_CMD_MODULE_CFG_REQ 0xFC5B
98#define BT_CMD_LOAD_CONFIG_DATA 0xFC61
Bing Zhao132ff4e2009-06-02 14:29:35 -070099
Bing Zhao903c8432010-03-03 14:37:35 -0800100/* Sub-commands: Module Bringup/Shutdown Request/Response */
Bing Zhao132ff4e2009-06-02 14:29:35 -0700101#define MODULE_BRINGUP_REQ 0xF1
Bing Zhao903c8432010-03-03 14:37:35 -0800102#define MODULE_BROUGHT_UP 0x00
103#define MODULE_ALREADY_UP 0x0C
104
Bing Zhao132ff4e2009-06-02 14:29:35 -0700105#define MODULE_SHUTDOWN_REQ 0xF2
106
Bing Zhao3e4543a2013-10-31 15:08:31 -0700107/* Vendor specific Bluetooth events */
108#define BT_EVENT_AUTO_SLEEP_MODE 0x23
109#define BT_EVENT_HOST_SLEEP_CONFIG 0x59
110#define BT_EVENT_HOST_SLEEP_ENABLE 0x5A
111#define BT_EVENT_MODULE_CFG_REQ 0x5B
Bing Zhao132ff4e2009-06-02 14:29:35 -0700112#define BT_EVENT_POWER_STATE 0x20
113
114/* Bluetooth Power States */
115#define BT_PS_ENABLE 0x02
116#define BT_PS_DISABLE 0x03
117#define BT_PS_SLEEP 0x01
118
Bing Zhao132ff4e2009-06-02 14:29:35 -0700119/* Host Sleep states */
120#define HS_ACTIVATED 0x01
121#define HS_DEACTIVATED 0x00
122
123/* Power Save modes */
124#define PS_SLEEP 0x01
125#define PS_AWAKE 0x00
126
Bing Zhao8a4934f2013-11-01 15:28:25 -0700127#define BT_CAL_HDR_LEN 4
Amitkumar Karwar2cc86892013-10-01 12:19:15 -0700128#define BT_CAL_DATA_SIZE 28
129
Bing Zhao132ff4e2009-06-02 14:29:35 -0700130struct btmrvl_event {
131 u8 ec; /* event counter */
132 u8 length;
133 u8 data[4];
Gustavo F. Padovan81ca4052010-07-19 13:54:05 -0300134} __packed;
Bing Zhao132ff4e2009-06-02 14:29:35 -0700135
136/* Prototype of global function */
137
Bing Zhao64061602010-03-03 14:37:36 -0800138int btmrvl_register_hdev(struct btmrvl_private *priv);
Bing Zhao132ff4e2009-06-02 14:29:35 -0700139struct btmrvl_private *btmrvl_add_card(void *card);
140int btmrvl_remove_card(struct btmrvl_private *priv);
141
142void btmrvl_interrupt(struct btmrvl_private *priv);
143
Andrei Emeltchenkoea1e76a2012-06-13 13:35:44 +0300144bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
Bing Zhao132ff4e2009-06-02 14:29:35 -0700145int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
146
Petri Gynther7125df52014-04-15 13:00:00 -0700147int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);
Amitkumar Karwar2a8ff612012-04-24 16:31:40 -0700148int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);
Amitkumar Karwar32fd6392009-09-30 11:18:30 -0700149int btmrvl_enable_ps(struct btmrvl_private *priv);
Bing Zhao132ff4e2009-06-02 14:29:35 -0700150int btmrvl_prepare_command(struct btmrvl_private *priv);
Amitkumar Karwarba54a162012-04-25 11:43:54 -0700151int btmrvl_enable_hs(struct btmrvl_private *priv);
Bing Zhao132ff4e2009-06-02 14:29:35 -0700152
Bing Zhaofb784f02009-06-02 14:29:37 -0700153#ifdef CONFIG_DEBUG_FS
154void btmrvl_debugfs_init(struct hci_dev *hdev);
155void btmrvl_debugfs_remove(struct hci_dev *hdev);
156#endif