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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/drivers/bluetooth/btmrvl_drv.h
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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 * Marvell Bluetooth driver: global definitions & declarations

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 *

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 * Copyright (C) 2009, Marvell International Ltd.

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 */

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#include <linux/kthread.h>

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#include <linux/bitops.h>

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#include <linux/slab.h>

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#include <net/bluetooth/bluetooth.h>

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#include <linux/err.h>

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#include <linux/gfp.h>

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#include <linux/interrupt.h>

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#include <linux/io.h>

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#include <linux/of_platform.h>

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#include <linux/platform_device.h>

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#include <linux/pm_runtime.h>

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#include <linux/of_irq.h>

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#define BTM_HEADER_LEN			4

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#define BTM_UPLD_SIZE			2312

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/* Time to wait until Host Sleep state change in millisecond */

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#define WAIT_UNTIL_HS_STATE_CHANGED	msecs_to_jiffies(5000)

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/* Time to wait for command response in millisecond */

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#define WAIT_UNTIL_CMD_RESP		msecs_to_jiffies(5000)

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enum rdwr_status {

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	RDWR_STATUS_SUCCESS = 0,

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	RDWR_STATUS_FAILURE = 1,

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	RDWR_STATUS_DONE = 2

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};

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#define FW_DUMP_MAX_NAME_LEN    8

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#define FW_DUMP_HOST_READY      0xEE

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#define FW_DUMP_DONE            0xFF

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#define FW_DUMP_READ_DONE       0xFE

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struct memory_type_mapping {

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	u8 mem_name[FW_DUMP_MAX_NAME_LEN];

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	u8 *mem_ptr;

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	u32 mem_size;

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	u8 done_flag;

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};

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struct btmrvl_thread {

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	struct task_struct *task;

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	wait_queue_head_t wait_q;

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	void *priv;

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};

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struct btmrvl_device {

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	void *card;

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	struct hci_dev *hcidev;

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	u8 dev_type;

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	u8 tx_dnld_rdy;

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	u8 psmode;

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	u8 pscmd;

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	u8 hsmode;

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	u8 hscmd;

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	/* Low byte is gap, high byte is GPIO */

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	u16 gpio_gap;

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	u8 hscfgcmd;

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	u8 sendcmdflag;

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};

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struct btmrvl_adapter {

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	void *hw_regs_buf;

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	u8 *hw_regs;

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	u32 int_count;

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	struct sk_buff_head tx_queue;

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	u8 psmode;

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	u8 ps_state;

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	u8 hs_state;

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	u8 wakeup_tries;

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	wait_queue_head_t cmd_wait_q;

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	wait_queue_head_t event_hs_wait_q;

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	u8 cmd_complete;

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	bool is_suspended;

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	bool is_suspending;

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};

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struct btmrvl_private {

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	struct btmrvl_device btmrvl_dev;

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	struct btmrvl_adapter *adapter;

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	struct btmrvl_thread main_thread;

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	int (*hw_host_to_card)(struct btmrvl_private *priv,

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				u8 *payload, u16 nb);

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	int (*hw_wakeup_firmware)(struct btmrvl_private *priv);

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	int (*hw_process_int_status)(struct btmrvl_private *priv);

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	spinlock_t driver_lock;		/* spinlock used by driver */

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#ifdef CONFIG_DEBUG_FS

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	void *debugfs_data;

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#endif

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	bool surprise_removed;

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};

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#define MRVL_VENDOR_PKT			0xFE

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/* Vendor specific Bluetooth commands */

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#define BT_CMD_PSCAN_WIN_REPORT_ENABLE	0xFC03

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#define BT_CMD_ROUTE_SCO_TO_HOST	0xFC1D

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#define BT_CMD_SET_BDADDR		0xFC22

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#define BT_CMD_AUTO_SLEEP_MODE		0xFC23

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#define BT_CMD_HOST_SLEEP_CONFIG	0xFC59

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#define BT_CMD_HOST_SLEEP_ENABLE	0xFC5A

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#define BT_CMD_MODULE_CFG_REQ		0xFC5B

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#define BT_CMD_LOAD_CONFIG_DATA		0xFC61

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/* Sub-commands: Module Bringup/Shutdown Request/Response */

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#define MODULE_BRINGUP_REQ		0xF1

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#define MODULE_BROUGHT_UP		0x00

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#define MODULE_ALREADY_UP		0x0C

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#define MODULE_SHUTDOWN_REQ		0xF2

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/* Vendor specific Bluetooth events */

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#define BT_EVENT_AUTO_SLEEP_MODE	0x23

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#define BT_EVENT_HOST_SLEEP_CONFIG	0x59

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#define BT_EVENT_HOST_SLEEP_ENABLE	0x5A

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#define BT_EVENT_MODULE_CFG_REQ		0x5B

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#define BT_EVENT_POWER_STATE		0x20

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/* Bluetooth Power States */

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#define BT_PS_ENABLE			0x02

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#define BT_PS_DISABLE			0x03

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#define BT_PS_SLEEP			0x01

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/* Host Sleep states */

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#define HS_ACTIVATED			0x01

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#define HS_DEACTIVATED			0x00

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/* Power Save modes */

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#define PS_SLEEP			0x01

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#define PS_AWAKE			0x00

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#define BT_CAL_HDR_LEN			4

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#define BT_CAL_DATA_SIZE		28

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struct btmrvl_event {

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	u8 ec;		/* event counter */

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	u8 length;

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	u8 data[4];

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} __packed;

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/* Prototype of global function */

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int btmrvl_register_hdev(struct btmrvl_private *priv);

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struct btmrvl_private *btmrvl_add_card(void *card);

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int btmrvl_remove_card(struct btmrvl_private *priv);

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void btmrvl_interrupt(struct btmrvl_private *priv);

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bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);

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int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);

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int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);

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int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd);

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int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);

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int btmrvl_enable_ps(struct btmrvl_private *priv);

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int btmrvl_prepare_command(struct btmrvl_private *priv);

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int btmrvl_enable_hs(struct btmrvl_private *priv);

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#ifdef CONFIG_DEBUG_FS

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void btmrvl_debugfs_init(struct hci_dev *hdev);

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void btmrvl_debugfs_remove(struct hci_dev *hdev);

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#endif

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