2 * Marvell Bluetooth driver: global definitions & declarations
4 * Copyright (C) 2009, Marvell International Ltd.
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.
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.
22 #include <linux/kthread.h>
23 #include <linux/bitops.h>
24 #include <linux/slab.h>
25 #include <net/bluetooth/bluetooth.h>
26 #include <linux/err.h>
27 #include <linux/gpio.h>
28 #include <linux/gfp.h>
29 #include <linux/interrupt.h>
31 #include <linux/of_gpio.h>
32 #include <linux/of_platform.h>
33 #include <linux/platform_device.h>
34 #include <linux/pm_runtime.h>
35 #include <linux/slab.h>
36 #include <linux/of_irq.h>
38 #define BTM_HEADER_LEN 4
39 #define BTM_UPLD_SIZE 2312
41 /* Time to wait until Host Sleep state change in millisecond */
42 #define WAIT_UNTIL_HS_STATE_CHANGED msecs_to_jiffies(5000)
43 /* Time to wait for command response in millisecond */
44 #define WAIT_UNTIL_CMD_RESP msecs_to_jiffies(5000)
47 RDWR_STATUS_SUCCESS = 0,
48 RDWR_STATUS_FAILURE = 1,
52 #define FW_DUMP_MAX_NAME_LEN 8
53 #define FW_DUMP_HOST_READY 0xEE
54 #define FW_DUMP_DONE 0xFF
55 #define FW_DUMP_READ_DONE 0xFE
57 struct memory_type_mapping {
58 u8 mem_name[FW_DUMP_MAX_NAME_LEN];
64 struct btmrvl_thread {
65 struct task_struct *task;
66 wait_queue_head_t wait_q;
70 struct btmrvl_device {
72 struct hci_dev *hcidev;
83 /* Low byte is gap, high byte is GPIO */
90 struct btmrvl_adapter {
94 struct sk_buff_head tx_queue;
99 wait_queue_head_t cmd_wait_q;
100 wait_queue_head_t event_hs_wait_q;
106 struct btmrvl_private {
107 struct btmrvl_device btmrvl_dev;
108 struct btmrvl_adapter *adapter;
109 struct btmrvl_thread main_thread;
110 int (*hw_host_to_card)(struct btmrvl_private *priv,
111 u8 *payload, u16 nb);
112 int (*hw_wakeup_firmware)(struct btmrvl_private *priv);
113 int (*hw_process_int_status)(struct btmrvl_private *priv);
114 void (*firmware_dump)(struct btmrvl_private *priv);
115 spinlock_t driver_lock; /* spinlock used by driver */
116 #ifdef CONFIG_DEBUG_FS
119 bool surprise_removed;
122 #define MRVL_VENDOR_PKT 0xFE
124 /* Vendor specific Bluetooth commands */
125 #define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03
126 #define BT_CMD_ROUTE_SCO_TO_HOST 0xFC1D
127 #define BT_CMD_SET_BDADDR 0xFC22
128 #define BT_CMD_AUTO_SLEEP_MODE 0xFC23
129 #define BT_CMD_HOST_SLEEP_CONFIG 0xFC59
130 #define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A
131 #define BT_CMD_MODULE_CFG_REQ 0xFC5B
132 #define BT_CMD_LOAD_CONFIG_DATA 0xFC61
134 /* Sub-commands: Module Bringup/Shutdown Request/Response */
135 #define MODULE_BRINGUP_REQ 0xF1
136 #define MODULE_BROUGHT_UP 0x00
137 #define MODULE_ALREADY_UP 0x0C
139 #define MODULE_SHUTDOWN_REQ 0xF2
141 /* Vendor specific Bluetooth events */
142 #define BT_EVENT_AUTO_SLEEP_MODE 0x23
143 #define BT_EVENT_HOST_SLEEP_CONFIG 0x59
144 #define BT_EVENT_HOST_SLEEP_ENABLE 0x5A
145 #define BT_EVENT_MODULE_CFG_REQ 0x5B
146 #define BT_EVENT_POWER_STATE 0x20
148 /* Bluetooth Power States */
149 #define BT_PS_ENABLE 0x02
150 #define BT_PS_DISABLE 0x03
151 #define BT_PS_SLEEP 0x01
153 /* Host Sleep states */
154 #define HS_ACTIVATED 0x01
155 #define HS_DEACTIVATED 0x00
157 /* Power Save modes */
158 #define PS_SLEEP 0x01
159 #define PS_AWAKE 0x00
161 #define BT_CAL_HDR_LEN 4
162 #define BT_CAL_DATA_SIZE 28
164 struct btmrvl_event {
165 u8 ec; /* event counter */
170 /* Prototype of global function */
172 int btmrvl_register_hdev(struct btmrvl_private *priv);
173 struct btmrvl_private *btmrvl_add_card(void *card);
174 int btmrvl_remove_card(struct btmrvl_private *priv);
176 void btmrvl_interrupt(struct btmrvl_private *priv);
178 bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
179 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
181 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);
182 int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd);
183 int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);
184 int btmrvl_enable_ps(struct btmrvl_private *priv);
185 int btmrvl_prepare_command(struct btmrvl_private *priv);
186 int btmrvl_enable_hs(struct btmrvl_private *priv);
187 void btmrvl_firmware_dump(struct btmrvl_private *priv);
189 #ifdef CONFIG_DEBUG_FS
190 void btmrvl_debugfs_init(struct hci_dev *hdev);
191 void btmrvl_debugfs_remove(struct hci_dev *hdev);