cregit-Linux how code gets into the kernel

Release 4.14 drivers/bluetooth/btmrvl_drv.h

/*
 * 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/gpio.h>
#include <linux/gfp.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/of_gpio.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);
	
void (*firmware_dump)(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);
void btmrvl_firmware_dump(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

Overall Contributors

PersonTokensPropCommitsCommitProp
Bing Zhao40868.00%933.33%
Xinming Hu10417.33%27.41%
Amitkumar Karwar6410.67%933.33%
Johan Hedberg122.00%13.70%
Chin-Ran Lo61.00%27.41%
Tejun Heo30.50%13.70%
Andrei Emeltchenko10.17%13.70%
Gustavo Fernando Padovan10.17%13.70%
Petri Gynther10.17%13.70%
Total600100.00%27100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.