drivers/bluetooth/btmrvl_drv.h

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