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 void *hw_regs_buf; 63 u8 *hw_regs; 64 u32 int_count; 65 struct sk_buff_head tx_queue; 66 u8 psmode; 67 u8 ps_state; 68 u8 hs_state; 69 u8 wakeup_tries; 70 wait_queue_head_t cmd_wait_q; 71 wait_queue_head_t event_hs_wait_q; 72 u8 cmd_complete; 73 bool is_suspended; 74}; 75 76struct btmrvl_private { 77 struct btmrvl_device btmrvl_dev; 78 struct btmrvl_adapter *adapter; 79 struct btmrvl_thread main_thread; 80 int (*hw_host_to_card) (struct btmrvl_private *priv, 81 u8 *payload, u16 nb); 82 int (*hw_wakeup_firmware) (struct btmrvl_private *priv); 83 int (*hw_process_int_status) (struct btmrvl_private *priv); 84 spinlock_t driver_lock; /* spinlock used by driver */ 85#ifdef CONFIG_DEBUG_FS 86 void *debugfs_data; 87#endif 88}; 89 90#define MRVL_VENDOR_PKT 0xFE 91 92/* Vendor specific Bluetooth commands */ 93#define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03 94#define BT_CMD_SET_BDADDR 0xFC22 95#define BT_CMD_AUTO_SLEEP_MODE 0xFC23 96#define BT_CMD_HOST_SLEEP_CONFIG 0xFC59 97#define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A 98#define BT_CMD_MODULE_CFG_REQ 0xFC5B 99#define BT_CMD_LOAD_CONFIG_DATA 0xFC61 100 101/* Sub-commands: Module Bringup/Shutdown Request/Response */ 102#define MODULE_BRINGUP_REQ 0xF1 103#define MODULE_BROUGHT_UP 0x00 104#define MODULE_ALREADY_UP 0x0C 105 106#define MODULE_SHUTDOWN_REQ 0xF2 107 108/* Vendor specific Bluetooth events */ 109#define BT_EVENT_AUTO_SLEEP_MODE 0x23 110#define BT_EVENT_HOST_SLEEP_CONFIG 0x59 111#define BT_EVENT_HOST_SLEEP_ENABLE 0x5A 112#define BT_EVENT_MODULE_CFG_REQ 0x5B 113#define BT_EVENT_POWER_STATE 0x20 114 115/* Bluetooth Power States */ 116#define BT_PS_ENABLE 0x02 117#define BT_PS_DISABLE 0x03 118#define BT_PS_SLEEP 0x01 119 120/* Host Sleep states */ 121#define HS_ACTIVATED 0x01 122#define HS_DEACTIVATED 0x00 123 124/* Power Save modes */ 125#define PS_SLEEP 0x01 126#define PS_AWAKE 0x00 127 128#define BT_CAL_HDR_LEN 4 129#define BT_CAL_DATA_SIZE 28 130 131struct btmrvl_event { 132 u8 ec; /* event counter */ 133 u8 length; 134 u8 data[4]; 135} __packed; 136 137/* Prototype of global function */ 138 139int btmrvl_register_hdev(struct btmrvl_private *priv); 140struct btmrvl_private *btmrvl_add_card(void *card); 141int btmrvl_remove_card(struct btmrvl_private *priv); 142 143void btmrvl_interrupt(struct btmrvl_private *priv); 144 145bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb); 146int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb); 147 148int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd); 149int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd); 150int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv); 151int btmrvl_enable_ps(struct btmrvl_private *priv); 152int btmrvl_prepare_command(struct btmrvl_private *priv); 153int btmrvl_enable_hs(struct btmrvl_private *priv); 154 155#ifdef CONFIG_DEBUG_FS 156void btmrvl_debugfs_init(struct hci_dev *hdev); 157void btmrvl_debugfs_remove(struct hci_dev *hdev); 158#endif 159