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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Marvell Bluetooth driver: global definitions & declarations4 *5 * Copyright (C) 2009, Marvell International Ltd.6 */7 8#include <linux/kthread.h>9#include <linux/bitops.h>10#include <linux/slab.h>11#include <net/bluetooth/bluetooth.h>12#include <linux/err.h>13#include <linux/gfp.h>14#include <linux/interrupt.h>15#include <linux/io.h>16#include <linux/of_platform.h>17#include <linux/platform_device.h>18#include <linux/pm_runtime.h>19#include <linux/of_irq.h>20 21#define BTM_HEADER_LEN 422#define BTM_UPLD_SIZE 231223 24/* Time to wait until Host Sleep state change in millisecond */25#define WAIT_UNTIL_HS_STATE_CHANGED msecs_to_jiffies(5000)26/* Time to wait for command response in millisecond */27#define WAIT_UNTIL_CMD_RESP msecs_to_jiffies(5000)28 29enum rdwr_status {30 RDWR_STATUS_SUCCESS = 0,31 RDWR_STATUS_FAILURE = 1,32 RDWR_STATUS_DONE = 233};34 35#define FW_DUMP_MAX_NAME_LEN 836#define FW_DUMP_HOST_READY 0xEE37#define FW_DUMP_DONE 0xFF38#define FW_DUMP_READ_DONE 0xFE39 40struct memory_type_mapping {41 u8 mem_name[FW_DUMP_MAX_NAME_LEN];42 u8 *mem_ptr;43 u32 mem_size;44 u8 done_flag;45};46 47struct btmrvl_thread {48 struct task_struct *task;49 wait_queue_head_t wait_q;50 void *priv;51};52 53struct btmrvl_device {54 void *card;55 struct hci_dev *hcidev;56 57 u8 dev_type;58 59 u8 tx_dnld_rdy;60 61 u8 psmode;62 u8 pscmd;63 u8 hsmode;64 u8 hscmd;65 66 /* Low byte is gap, high byte is GPIO */67 u16 gpio_gap;68 69 u8 hscfgcmd;70 u8 sendcmdflag;71};72 73struct btmrvl_adapter {74 void *hw_regs_buf;75 u8 *hw_regs;76 u32 int_count;77 struct sk_buff_head tx_queue;78 u8 psmode;79 u8 ps_state;80 u8 hs_state;81 u8 wakeup_tries;82 wait_queue_head_t cmd_wait_q;83 wait_queue_head_t event_hs_wait_q;84 u8 cmd_complete;85 bool is_suspended;86 bool is_suspending;87};88 89struct btmrvl_private {90 struct btmrvl_device btmrvl_dev;91 struct btmrvl_adapter *adapter;92 struct btmrvl_thread main_thread;93 int (*hw_host_to_card)(struct btmrvl_private *priv,94 u8 *payload, u16 nb);95 int (*hw_wakeup_firmware)(struct btmrvl_private *priv);96 int (*hw_process_int_status)(struct btmrvl_private *priv);97 spinlock_t driver_lock; /* spinlock used by driver */98#ifdef CONFIG_DEBUG_FS99 void *debugfs_data;100#endif101 bool surprise_removed;102};103 104#define MRVL_VENDOR_PKT 0xFE105 106/* Vendor specific Bluetooth commands */107#define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03108#define BT_CMD_ROUTE_SCO_TO_HOST 0xFC1D109#define BT_CMD_SET_BDADDR 0xFC22110#define BT_CMD_AUTO_SLEEP_MODE 0xFC23111#define BT_CMD_HOST_SLEEP_CONFIG 0xFC59112#define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A113#define BT_CMD_MODULE_CFG_REQ 0xFC5B114#define BT_CMD_LOAD_CONFIG_DATA 0xFC61115 116/* Sub-commands: Module Bringup/Shutdown Request/Response */117#define MODULE_BRINGUP_REQ 0xF1118#define MODULE_BROUGHT_UP 0x00119#define MODULE_ALREADY_UP 0x0C120 121#define MODULE_SHUTDOWN_REQ 0xF2122 123/* Vendor specific Bluetooth events */124#define BT_EVENT_AUTO_SLEEP_MODE 0x23125#define BT_EVENT_HOST_SLEEP_CONFIG 0x59126#define BT_EVENT_HOST_SLEEP_ENABLE 0x5A127#define BT_EVENT_MODULE_CFG_REQ 0x5B128#define BT_EVENT_POWER_STATE 0x20129 130/* Bluetooth Power States */131#define BT_PS_ENABLE 0x02132#define BT_PS_DISABLE 0x03133#define BT_PS_SLEEP 0x01134 135/* Host Sleep states */136#define HS_ACTIVATED 0x01137#define HS_DEACTIVATED 0x00138 139/* Power Save modes */140#define PS_SLEEP 0x01141#define PS_AWAKE 0x00142 143#define BT_CAL_HDR_LEN 4144#define BT_CAL_DATA_SIZE 28145 146struct btmrvl_event {147 u8 ec; /* event counter */148 u8 length;149 u8 data[4];150} __packed;151 152/* Prototype of global function */153 154int btmrvl_register_hdev(struct btmrvl_private *priv);155struct btmrvl_private *btmrvl_add_card(void *card);156int btmrvl_remove_card(struct btmrvl_private *priv);157 158void btmrvl_interrupt(struct btmrvl_private *priv);159 160bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);161int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);162 163int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);164int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd);165int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);166int btmrvl_enable_ps(struct btmrvl_private *priv);167int btmrvl_prepare_command(struct btmrvl_private *priv);168int btmrvl_enable_hs(struct btmrvl_private *priv);169 170#ifdef CONFIG_DEBUG_FS171void btmrvl_debugfs_init(struct hci_dev *hdev);172void btmrvl_debugfs_remove(struct hci_dev *hdev);173#endif174