| Bing Zhao | 132ff4e | 2009-06-02 14:29:35 -0700 | [diff] [blame^] | 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 | #ifndef _BTMRVL_DRV_H_ |
| 23 | #define _BTMRVL_DRV_H_ |
| 24 | |
| 25 | #include <linux/kthread.h> |
| 26 | #include <linux/bitops.h> |
| 27 | #include <net/bluetooth/bluetooth.h> |
| 28 | |
| 29 | #define BTM_HEADER_LEN 4 |
| 30 | #define BTM_DEV_NAME_LEN 32 |
| 31 | #define BTM_UPLD_SIZE 2312 |
| 32 | |
| 33 | /* Time to wait until Host Sleep state change in millisecond */ |
| 34 | #define WAIT_UNTIL_HS_STATE_CHANGED 5000 |
| 35 | /* Time to wait for command response in millisecond */ |
| 36 | #define WAIT_UNTIL_CMD_RESP 5000 |
| 37 | |
| 38 | struct btmrvl_thread { |
| 39 | struct task_struct *task; |
| 40 | wait_queue_head_t wait_q; |
| 41 | void *priv; |
| 42 | }; |
| 43 | |
| 44 | struct btmrvl_device { |
| 45 | char name[BTM_DEV_NAME_LEN]; |
| 46 | void *card; |
| 47 | struct hci_dev *hcidev; |
| 48 | |
| 49 | u8 tx_dnld_rdy; |
| 50 | |
| 51 | u8 psmode; |
| 52 | u8 pscmd; |
| 53 | u8 hsmode; |
| 54 | u8 hscmd; |
| 55 | |
| 56 | /* Low byte is gap, high byte is GPIO */ |
| 57 | u16 gpio_gap; |
| 58 | |
| 59 | u8 hscfgcmd; |
| 60 | u8 sendcmdflag; |
| 61 | }; |
| 62 | |
| 63 | struct btmrvl_adapter { |
| 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 | u8 cmd_complete; |
| 72 | }; |
| 73 | |
| 74 | struct btmrvl_private { |
| 75 | struct btmrvl_device btmrvl_dev; |
| 76 | struct btmrvl_adapter *adapter; |
| 77 | struct btmrvl_thread main_thread; |
| 78 | int (*hw_host_to_card) (struct btmrvl_private *priv, |
| 79 | u8 *payload, u16 nb); |
| 80 | int (*hw_wakeup_firmware) (struct btmrvl_private *priv); |
| 81 | spinlock_t driver_lock; /* spinlock used by driver */ |
| 82 | }; |
| 83 | |
| 84 | #define MRVL_VENDOR_PKT 0xFE |
| 85 | |
| 86 | /* Bluetooth commands */ |
| 87 | #define BT_CMD_AUTO_SLEEP_MODE 0x23 |
| 88 | #define BT_CMD_HOST_SLEEP_CONFIG 0x59 |
| 89 | #define BT_CMD_HOST_SLEEP_ENABLE 0x5A |
| 90 | #define BT_CMD_MODULE_CFG_REQ 0x5B |
| 91 | |
| 92 | /* Sub-commands: Module Bringup/Shutdown Request */ |
| 93 | #define MODULE_BRINGUP_REQ 0xF1 |
| 94 | #define MODULE_SHUTDOWN_REQ 0xF2 |
| 95 | |
| 96 | #define BT_EVENT_POWER_STATE 0x20 |
| 97 | |
| 98 | /* Bluetooth Power States */ |
| 99 | #define BT_PS_ENABLE 0x02 |
| 100 | #define BT_PS_DISABLE 0x03 |
| 101 | #define BT_PS_SLEEP 0x01 |
| 102 | |
| 103 | #define OGF 0x3F |
| 104 | |
| 105 | /* Host Sleep states */ |
| 106 | #define HS_ACTIVATED 0x01 |
| 107 | #define HS_DEACTIVATED 0x00 |
| 108 | |
| 109 | /* Power Save modes */ |
| 110 | #define PS_SLEEP 0x01 |
| 111 | #define PS_AWAKE 0x00 |
| 112 | |
| 113 | struct btmrvl_cmd { |
| 114 | __le16 ocf_ogf; |
| 115 | u8 length; |
| 116 | u8 data[4]; |
| 117 | } __attribute__ ((packed)); |
| 118 | |
| 119 | struct btmrvl_event { |
| 120 | u8 ec; /* event counter */ |
| 121 | u8 length; |
| 122 | u8 data[4]; |
| 123 | } __attribute__ ((packed)); |
| 124 | |
| 125 | /* Prototype of global function */ |
| 126 | |
| 127 | struct btmrvl_private *btmrvl_add_card(void *card); |
| 128 | int btmrvl_remove_card(struct btmrvl_private *priv); |
| 129 | |
| 130 | void btmrvl_interrupt(struct btmrvl_private *priv); |
| 131 | |
| 132 | void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb); |
| 133 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb); |
| 134 | |
| 135 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd); |
| 136 | int btmrvl_prepare_command(struct btmrvl_private *priv); |
| 137 | |
| 138 | #endif /* _BTMRVL_DRV_H_ */ |