1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Marvell Bluetooth driver: global definitions & declarations
5 * Copyright (C) 2009, Marvell International Ltd.
8 #include <linux/kthread.h>
9 #include <linux/bitops.h>
10 #include <linux/slab.h>
11 #include <net/bluetooth/bluetooth.h>
12 #include <linux/err.h>
13 #include <linux/gfp.h>
14 #include <linux/interrupt.h>
16 #include <linux/of_platform.h>
17 #include <linux/platform_device.h>
18 #include <linux/pm_runtime.h>
19 #include <linux/of_irq.h>
21 #define BTM_HEADER_LEN 4
22 #define BTM_UPLD_SIZE 2312
24 /* Time to wait until Host Sleep state change in millisecond */
25 #define WAIT_UNTIL_HS_STATE_CHANGED msecs_to_jiffies(5000)
26 /* Time to wait for command response in millisecond */
27 #define WAIT_UNTIL_CMD_RESP msecs_to_jiffies(5000)
30 RDWR_STATUS_SUCCESS = 0,
31 RDWR_STATUS_FAILURE = 1,
35 #define FW_DUMP_MAX_NAME_LEN 8
36 #define FW_DUMP_HOST_READY 0xEE
37 #define FW_DUMP_DONE 0xFF
38 #define FW_DUMP_READ_DONE 0xFE
40 struct memory_type_mapping {
41 u8 mem_name[FW_DUMP_MAX_NAME_LEN];
47 struct btmrvl_thread {
48 struct task_struct *task;
49 wait_queue_head_t wait_q;
53 struct btmrvl_device {
55 struct hci_dev *hcidev;
66 /* Low byte is gap, high byte is GPIO */
73 struct btmrvl_adapter {
77 struct sk_buff_head tx_queue;
82 wait_queue_head_t cmd_wait_q;
83 wait_queue_head_t event_hs_wait_q;
89 struct btmrvl_private {
90 struct btmrvl_device btmrvl_dev;
91 struct btmrvl_adapter *adapter;
92 struct btmrvl_thread main_thread;
93 int (*hw_host_to_card)(struct btmrvl_private *priv,
95 int (*hw_wakeup_firmware)(struct btmrvl_private *priv);
96 int (*hw_process_int_status)(struct btmrvl_private *priv);
97 spinlock_t driver_lock; /* spinlock used by driver */
98 #ifdef CONFIG_DEBUG_FS
101 bool surprise_removed;
104 #define MRVL_VENDOR_PKT 0xFE
106 /* Vendor specific Bluetooth commands */
107 #define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03
108 #define BT_CMD_ROUTE_SCO_TO_HOST 0xFC1D
109 #define BT_CMD_SET_BDADDR 0xFC22
110 #define BT_CMD_AUTO_SLEEP_MODE 0xFC23
111 #define BT_CMD_HOST_SLEEP_CONFIG 0xFC59
112 #define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A
113 #define BT_CMD_MODULE_CFG_REQ 0xFC5B
114 #define BT_CMD_LOAD_CONFIG_DATA 0xFC61
116 /* Sub-commands: Module Bringup/Shutdown Request/Response */
117 #define MODULE_BRINGUP_REQ 0xF1
118 #define MODULE_BROUGHT_UP 0x00
119 #define MODULE_ALREADY_UP 0x0C
121 #define MODULE_SHUTDOWN_REQ 0xF2
123 /* Vendor specific Bluetooth events */
124 #define BT_EVENT_AUTO_SLEEP_MODE 0x23
125 #define BT_EVENT_HOST_SLEEP_CONFIG 0x59
126 #define BT_EVENT_HOST_SLEEP_ENABLE 0x5A
127 #define BT_EVENT_MODULE_CFG_REQ 0x5B
128 #define BT_EVENT_POWER_STATE 0x20
130 /* Bluetooth Power States */
131 #define BT_PS_ENABLE 0x02
132 #define BT_PS_DISABLE 0x03
133 #define BT_PS_SLEEP 0x01
135 /* Host Sleep states */
136 #define HS_ACTIVATED 0x01
137 #define HS_DEACTIVATED 0x00
139 /* Power Save modes */
140 #define PS_SLEEP 0x01
141 #define PS_AWAKE 0x00
143 #define BT_CAL_HDR_LEN 4
144 #define BT_CAL_DATA_SIZE 28
146 struct btmrvl_event {
147 u8 ec; /* event counter */
152 /* Prototype of global function */
154 int btmrvl_register_hdev(struct btmrvl_private *priv);
155 struct btmrvl_private *btmrvl_add_card(void *card);
156 int btmrvl_remove_card(struct btmrvl_private *priv);
158 void btmrvl_interrupt(struct btmrvl_private *priv);
160 bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
161 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
163 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);
164 int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd);
165 int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);
166 int btmrvl_enable_ps(struct btmrvl_private *priv);
167 int btmrvl_prepare_command(struct btmrvl_private *priv);
168 int btmrvl_enable_hs(struct btmrvl_private *priv);
170 #ifdef CONFIG_DEBUG_FS
171 void btmrvl_debugfs_init(struct hci_dev *hdev);
172 void btmrvl_debugfs_remove(struct hci_dev *hdev);