/* * Marvell Bluetooth driver: global definitions & declarations * * Copyright (C) 2009, Marvell International Ltd. * * This software file (the "File") is distributed by Marvell International * Ltd. under the terms of the GNU General Public License Version 2, June 1991 * (the "License"). You may use, redistribute and/or modify this File in * accordance with the terms and conditions of the License, a copy of which * is available by writing to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE * ARE EXPRESSLY DISCLAIMED. The License provides additional details about * this warranty disclaimer. * */ #include <linux/kthread.h> #include <linux/bitops.h> #include <linux/slab.h> #include <net/bluetooth/bluetooth.h> #include <linux/err.h> #include <linux/gfp.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/of_irq.h> #define BTM_HEADER_LEN 4 #define BTM_UPLD_SIZE 2312 /* Time to wait until Host Sleep state change in millisecond */ #define WAIT_UNTIL_HS_STATE_CHANGED msecs_to_jiffies(5000) /* Time to wait for command response in millisecond */ #define WAIT_UNTIL_CMD_RESP msecs_to_jiffies(5000) enum rdwr_status { RDWR_STATUS_SUCCESS = 0, RDWR_STATUS_FAILURE = 1, RDWR_STATUS_DONE = 2 }; #define FW_DUMP_MAX_NAME_LEN 8 #define FW_DUMP_HOST_READY 0xEE #define FW_DUMP_DONE 0xFF #define FW_DUMP_READ_DONE 0xFE struct memory_type_mapping { u8 mem_name[FW_DUMP_MAX_NAME_LEN]; u8 *mem_ptr; u32 mem_size; u8 done_flag; }; struct btmrvl_thread { struct task_struct *task; wait_queue_head_t wait_q; void *priv; }; struct btmrvl_device { void *card; struct hci_dev *hcidev; u8 dev_type; u8 tx_dnld_rdy; u8 psmode; u8 pscmd; u8 hsmode; u8 hscmd; /* Low byte is gap, high byte is GPIO */ u16 gpio_gap; u8 hscfgcmd; u8 sendcmdflag; }; struct btmrvl_adapter { void *hw_regs_buf; u8 *hw_regs; u32 int_count; struct sk_buff_head tx_queue; u8 psmode; u8 ps_state; u8 hs_state; u8 wakeup_tries; wait_queue_head_t cmd_wait_q; wait_queue_head_t event_hs_wait_q; u8 cmd_complete; bool is_suspended; bool is_suspending; }; struct btmrvl_private { struct btmrvl_device btmrvl_dev; struct btmrvl_adapter *adapter; struct btmrvl_thread main_thread; int (*hw_host_to_card)(struct btmrvl_private *priv, u8 *payload, u16 nb); int (*hw_wakeup_firmware)(struct btmrvl_private *priv); int (*hw_process_int_status)(struct btmrvl_private *priv); spinlock_t driver_lock; /* spinlock used by driver */ #ifdef CONFIG_DEBUG_FS void *debugfs_data; #endif bool surprise_removed; }; #define MRVL_VENDOR_PKT 0xFE /* Vendor specific Bluetooth commands */ #define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03 #define BT_CMD_ROUTE_SCO_TO_HOST 0xFC1D #define BT_CMD_SET_BDADDR 0xFC22 #define BT_CMD_AUTO_SLEEP_MODE 0xFC23 #define BT_CMD_HOST_SLEEP_CONFIG 0xFC59 #define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A #define BT_CMD_MODULE_CFG_REQ 0xFC5B #define BT_CMD_LOAD_CONFIG_DATA 0xFC61 /* Sub-commands: Module Bringup/Shutdown Request/Response */ #define MODULE_BRINGUP_REQ 0xF1 #define MODULE_BROUGHT_UP 0x00 #define MODULE_ALREADY_UP 0x0C #define MODULE_SHUTDOWN_REQ 0xF2 /* Vendor specific Bluetooth events */ #define BT_EVENT_AUTO_SLEEP_MODE 0x23 #define BT_EVENT_HOST_SLEEP_CONFIG 0x59 #define BT_EVENT_HOST_SLEEP_ENABLE 0x5A #define BT_EVENT_MODULE_CFG_REQ 0x5B #define BT_EVENT_POWER_STATE 0x20 /* Bluetooth Power States */ #define BT_PS_ENABLE 0x02 #define BT_PS_DISABLE 0x03 #define BT_PS_SLEEP 0x01 /* Host Sleep states */ #define HS_ACTIVATED 0x01 #define HS_DEACTIVATED 0x00 /* Power Save modes */ #define PS_SLEEP 0x01 #define PS_AWAKE 0x00 #define BT_CAL_HDR_LEN 4 #define BT_CAL_DATA_SIZE 28 struct btmrvl_event { u8 ec; /* event counter */ u8 length; u8 data[4]; } __packed; /* Prototype of global function */ int btmrvl_register_hdev(struct btmrvl_private *priv); struct btmrvl_private *btmrvl_add_card(void *card); int btmrvl_remove_card(struct btmrvl_private *priv); void btmrvl_interrupt(struct btmrvl_private *priv); bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb); int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb); int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd); int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd); int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv); int btmrvl_enable_ps(struct btmrvl_private *priv); int btmrvl_prepare_command(struct btmrvl_private *priv); int btmrvl_enable_hs(struct btmrvl_private *priv); #ifdef CONFIG_DEBUG_FS void btmrvl_debugfs_init(struct hci_dev *hdev); void btmrvl_debugfs_remove(struct hci_dev *hdev); #endif