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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Marvell Bluetooth driver: global definitions & declarations
4 *
5 * Copyright (C) 2009, Marvell International Ltd.
6 */
7
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>
15#include <linux/io.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>
20
21#define BTM_HEADER_LEN 4
22#define BTM_UPLD_SIZE 2312
23
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)
28
29enum rdwr_status {
30 RDWR_STATUS_SUCCESS = 0,
31 RDWR_STATUS_FAILURE = 1,
32 RDWR_STATUS_DONE = 2
33};
34
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
39
40struct memory_type_mapping {
41 u8 mem_name[FW_DUMP_MAX_NAME_LEN];
42 u8 *mem_ptr;
43 u32 mem_size;
44 u8 done_flag;
45};
46
47struct btmrvl_thread {
48 struct task_struct *task;
49 wait_queue_head_t wait_q;
50 void *priv;
51};
52
53struct btmrvl_device {
54 void *card;
55 struct hci_dev *hcidev;
56
57 u8 dev_type;
58
59 u8 tx_dnld_rdy;
60
61 u8 psmode;
62 u8 pscmd;
63 u8 hsmode;
64 u8 hscmd;
65
66 /* Low byte is gap, high byte is GPIO */
67 u16 gpio_gap;
68
69 u8 hscfgcmd;
70 u8 sendcmdflag;
71};
72
73struct btmrvl_adapter {
74 void *hw_regs_buf;
75 u8 *hw_regs;
76 u32 int_count;
77 struct sk_buff_head tx_queue;
78 u8 psmode;
79 u8 ps_state;
80 u8 hs_state;
81 u8 wakeup_tries;
82 wait_queue_head_t cmd_wait_q;
83 wait_queue_head_t event_hs_wait_q;
84 u8 cmd_complete;
85 bool is_suspended;
86 bool is_suspending;
87};
88
89struct 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,
94 u8 *payload, u16 nb);
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
99 void *debugfs_data;
100#endif
101 bool surprise_removed;
102};
103
104#define MRVL_VENDOR_PKT 0xFE
105
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
115
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
120
121#define MODULE_SHUTDOWN_REQ 0xF2
122
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
129
130/* Bluetooth Power States */
131#define BT_PS_ENABLE 0x02
132#define BT_PS_DISABLE 0x03
133#define BT_PS_SLEEP 0x01
134
135/* Host Sleep states */
136#define HS_ACTIVATED 0x01
137#define HS_DEACTIVATED 0x00
138
139/* Power Save modes */
140#define PS_SLEEP 0x01
141#define PS_AWAKE 0x00
142
143#define BT_CAL_HDR_LEN 4
144#define BT_CAL_DATA_SIZE 28
145
146struct btmrvl_event {
147 u8 ec; /* event counter */
148 u8 length;
149 u8 data[4];
150} __packed;
151
152/* Prototype of global function */
153
154int btmrvl_register_hdev(struct btmrvl_private *priv);
155struct btmrvl_private *btmrvl_add_card(void *card);
156int btmrvl_remove_card(struct btmrvl_private *priv);
157
158void btmrvl_interrupt(struct btmrvl_private *priv);
159
160bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
161int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
162
163int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);
164int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd);
165int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);
166int btmrvl_enable_ps(struct btmrvl_private *priv);
167int btmrvl_prepare_command(struct btmrvl_private *priv);
168int btmrvl_enable_hs(struct btmrvl_private *priv);
169
170#ifdef CONFIG_DEBUG_FS
171void btmrvl_debugfs_init(struct hci_dev *hdev);
172void btmrvl_debugfs_remove(struct hci_dev *hdev);
173#endif
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
22#include <linux/kthread.h>
23#include <linux/bitops.h>
24#include <linux/slab.h>
25#include <net/bluetooth/bluetooth.h>
26
27#define BTM_HEADER_LEN 4
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
35struct btmrvl_thread {
36 struct task_struct *task;
37 wait_queue_head_t wait_q;
38 void *priv;
39};
40
41struct btmrvl_device {
42 void *card;
43 struct hci_dev *hcidev;
44
45 u8 dev_type;
46
47 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 {
62 u32 int_count;
63 struct sk_buff_head tx_queue;
64 u8 psmode;
65 u8 ps_state;
66 u8 hs_state;
67 u8 wakeup_tries;
68 wait_queue_head_t cmd_wait_q;
69 u8 cmd_complete;
70 bool is_suspended;
71};
72
73struct btmrvl_private {
74 struct btmrvl_device btmrvl_dev;
75 struct btmrvl_adapter *adapter;
76 struct btmrvl_thread main_thread;
77 int (*hw_host_to_card) (struct btmrvl_private *priv,
78 u8 *payload, u16 nb);
79 int (*hw_wakeup_firmware) (struct btmrvl_private *priv);
80 int (*hw_process_int_status) (struct btmrvl_private *priv);
81 spinlock_t driver_lock; /* spinlock used by driver */
82#ifdef CONFIG_DEBUG_FS
83 void *debugfs_data;
84#endif
85};
86
87#define MRVL_VENDOR_PKT 0xFE
88
89/* Bluetooth commands */
90#define BT_CMD_AUTO_SLEEP_MODE 0x23
91#define BT_CMD_HOST_SLEEP_CONFIG 0x59
92#define BT_CMD_HOST_SLEEP_ENABLE 0x5A
93#define BT_CMD_MODULE_CFG_REQ 0x5B
94
95/* Sub-commands: Module Bringup/Shutdown Request/Response */
96#define MODULE_BRINGUP_REQ 0xF1
97#define MODULE_BROUGHT_UP 0x00
98#define MODULE_ALREADY_UP 0x0C
99
100#define MODULE_SHUTDOWN_REQ 0xF2
101
102#define BT_EVENT_POWER_STATE 0x20
103
104/* Bluetooth Power States */
105#define BT_PS_ENABLE 0x02
106#define BT_PS_DISABLE 0x03
107#define BT_PS_SLEEP 0x01
108
109#define OGF 0x3F
110
111/* Host Sleep states */
112#define HS_ACTIVATED 0x01
113#define HS_DEACTIVATED 0x00
114
115/* Power Save modes */
116#define PS_SLEEP 0x01
117#define PS_AWAKE 0x00
118
119struct btmrvl_cmd {
120 __le16 ocf_ogf;
121 u8 length;
122 u8 data[4];
123} __packed;
124
125struct btmrvl_event {
126 u8 ec; /* event counter */
127 u8 length;
128 u8 data[4];
129} __packed;
130
131/* Prototype of global function */
132
133int btmrvl_register_hdev(struct btmrvl_private *priv);
134struct btmrvl_private *btmrvl_add_card(void *card);
135int btmrvl_remove_card(struct btmrvl_private *priv);
136
137void btmrvl_interrupt(struct btmrvl_private *priv);
138
139bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
140int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
141
142int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd);
143int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);
144int btmrvl_enable_ps(struct btmrvl_private *priv);
145int btmrvl_prepare_command(struct btmrvl_private *priv);
146int btmrvl_enable_hs(struct btmrvl_private *priv);
147
148#ifdef CONFIG_DEBUG_FS
149void btmrvl_debugfs_init(struct hci_dev *hdev);
150void btmrvl_debugfs_remove(struct hci_dev *hdev);
151#endif