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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/gfp.h>
28 #include <linux/interrupt.h>
29 #include <linux/io.h>
30 #include <linux/of_platform.h>
31 #include <linux/platform_device.h>
32 #include <linux/pm_runtime.h>
33 #include <linux/of_irq.h>
34
35 #define BTM_HEADER_LEN 4
36 #define BTM_UPLD_SIZE 2312
37
38
39 #define WAIT_UNTIL_HS_STATE_CHANGED msecs_to_jiffies(5000)
40
41 #define WAIT_UNTIL_CMD_RESP msecs_to_jiffies(5000)
42
43 enum rdwr_status {
44 RDWR_STATUS_SUCCESS = 0,
45 RDWR_STATUS_FAILURE = 1,
46 RDWR_STATUS_DONE = 2
47 };
48
49 #define FW_DUMP_MAX_NAME_LEN 8
50 #define FW_DUMP_HOST_READY 0xEE
51 #define FW_DUMP_DONE 0xFF
52 #define FW_DUMP_READ_DONE 0xFE
53
54 struct memory_type_mapping {
55 u8 mem_name[FW_DUMP_MAX_NAME_LEN];
56 u8 *mem_ptr;
57 u32 mem_size;
58 u8 done_flag;
59 };
60
61 struct btmrvl_thread {
62 struct task_struct *task;
63 wait_queue_head_t wait_q;
64 void *priv;
65 };
66
67 struct btmrvl_device {
68 void *card;
69 struct hci_dev *hcidev;
70
71 u8 dev_type;
72
73 u8 tx_dnld_rdy;
74
75 u8 psmode;
76 u8 pscmd;
77 u8 hsmode;
78 u8 hscmd;
79
80
81 u16 gpio_gap;
82
83 u8 hscfgcmd;
84 u8 sendcmdflag;
85 };
86
87 struct btmrvl_adapter {
88 void *hw_regs_buf;
89 u8 *hw_regs;
90 u32 int_count;
91 struct sk_buff_head tx_queue;
92 u8 psmode;
93 u8 ps_state;
94 u8 hs_state;
95 u8 wakeup_tries;
96 wait_queue_head_t cmd_wait_q;
97 wait_queue_head_t event_hs_wait_q;
98 u8 cmd_complete;
99 bool is_suspended;
100 bool is_suspending;
101 };
102
103 struct btmrvl_private {
104 struct btmrvl_device btmrvl_dev;
105 struct btmrvl_adapter *adapter;
106 struct btmrvl_thread main_thread;
107 int (*hw_host_to_card)(struct btmrvl_private *priv,
108 u8 *payload, u16 nb);
109 int (*hw_wakeup_firmware)(struct btmrvl_private *priv);
110 int (*hw_process_int_status)(struct btmrvl_private *priv);
111 spinlock_t driver_lock;
112 #ifdef CONFIG_DEBUG_FS
113 void *debugfs_data;
114 #endif
115 bool surprise_removed;
116 };
117
118 #define MRVL_VENDOR_PKT 0xFE
119
120
121 #define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03
122 #define BT_CMD_ROUTE_SCO_TO_HOST 0xFC1D
123 #define BT_CMD_SET_BDADDR 0xFC22
124 #define BT_CMD_AUTO_SLEEP_MODE 0xFC23
125 #define BT_CMD_HOST_SLEEP_CONFIG 0xFC59
126 #define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A
127 #define BT_CMD_MODULE_CFG_REQ 0xFC5B
128 #define BT_CMD_LOAD_CONFIG_DATA 0xFC61
129
130
131 #define MODULE_BRINGUP_REQ 0xF1
132 #define MODULE_BROUGHT_UP 0x00
133 #define MODULE_ALREADY_UP 0x0C
134
135 #define MODULE_SHUTDOWN_REQ 0xF2
136
137
138 #define BT_EVENT_AUTO_SLEEP_MODE 0x23
139 #define BT_EVENT_HOST_SLEEP_CONFIG 0x59
140 #define BT_EVENT_HOST_SLEEP_ENABLE 0x5A
141 #define BT_EVENT_MODULE_CFG_REQ 0x5B
142 #define BT_EVENT_POWER_STATE 0x20
143
144
145 #define BT_PS_ENABLE 0x02
146 #define BT_PS_DISABLE 0x03
147 #define BT_PS_SLEEP 0x01
148
149
150 #define HS_ACTIVATED 0x01
151 #define HS_DEACTIVATED 0x00
152
153
154 #define PS_SLEEP 0x01
155 #define PS_AWAKE 0x00
156
157 #define BT_CAL_HDR_LEN 4
158 #define BT_CAL_DATA_SIZE 28
159
160 struct btmrvl_event {
161 u8 ec;
162 u8 length;
163 u8 data[4];
164 } __packed;
165
166
167
168 int btmrvl_register_hdev(struct btmrvl_private *priv);
169 struct btmrvl_private *btmrvl_add_card(void *card);
170 int btmrvl_remove_card(struct btmrvl_private *priv);
171
172 void btmrvl_interrupt(struct btmrvl_private *priv);
173
174 bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
175 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
176
177 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);
178 int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd);
179 int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);
180 int btmrvl_enable_ps(struct btmrvl_private *priv);
181 int btmrvl_prepare_command(struct btmrvl_private *priv);
182 int btmrvl_enable_hs(struct btmrvl_private *priv);
183
184 #ifdef CONFIG_DEBUG_FS
185 void btmrvl_debugfs_init(struct hci_dev *hdev);
186 void btmrvl_debugfs_remove(struct hci_dev *hdev);
187 #endif