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firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-drivers_bluetooth_rtk...

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diff -drupN a/drivers/bluetooth/rtk_coex.h b/drivers/bluetooth/rtk_coex.h
--- a/drivers/bluetooth/rtk_coex.h 1970-01-01 03:00:00.000000000 +0300
+++ b/drivers/bluetooth/rtk_coex.h 2022-06-12 05:28:14.000000000 +0300
@@ -0,0 +1,339 @@
+#include <net/bluetooth/hci_core.h>
+#include <linux/list.h>
+
+/***********************************
+** Realtek - For coexistence **
+***********************************/
+#define BTRTL_HCIUSB 0
+#define BTRTL_HCIUART 1
+
+#define BTRTL_HCI_IF BTRTL_HCIUART
+
+#define TRUE 1
+#define FALSE 0
+
+#define CONNECT_PORT 30001
+#define CONNECT_PORT_WIFI 30000
+
+#define invite_req "INVITE_REQ"
+#define invite_rsp "INVITE_RSP"
+#define attend_req "ATTEND_REQ"
+#define attend_ack "ATTEND_ACK"
+#define wifi_leave "WIFI_LEAVE"
+#define leave_ack "LEAVE_ACK"
+#define bt_leave "BT_LEAVE"
+
+#define HCI_OP_PERIODIC_INQ 0x0403
+#define HCI_EV_LE_META 0x3e
+#define HCI_EV_LE_CONN_COMPLETE 0x01
+#define HCI_EV_LE_CONN_UPDATE_COMPLETE 0x03
+
+//vendor cmd to fw
+#define HCI_VENDOR_ENABLE_PROFILE_REPORT_COMMAND 0xfc18
+#define HCI_VENDOR_SET_PROFILE_REPORT_COMMAND 0xfc19
+#define HCI_VENDOR_MAILBOX_CMD 0xfc8f
+#define HCI_VENDOR_SET_BITPOOL 0xfc51
+
+//subcmd to fw
+#define HCI_VENDOR_SUB_CMD_WIFI_CHANNEL_AND_BANDWIDTH_CMD 0x11
+#define HCI_VENDOR_SUB_CMD_WIFI_FORCE_TX_POWER_CMD 0x17
+#define HCI_VENDOR_SUB_CMD_BT_ENABLE_IGNORE_WLAN_ACT_CMD 0x1B
+#define HCI_VENDOR_SUB_CMD_BT_REPORT_CONN_SCO_INQ_INFO 0x23
+#define HCI_VENDOR_SUB_CMD_BT_AUTO_REPORT_STATUS_INFO 0x27
+#define HCI_VENDOR_SUB_CMD_BT_AUTO_REPORT_ENABLE 0x28
+#define HCI_VENDOR_SUB_CMD_BT_SET_TXRETRY_REPORT_PARAM 0x29
+#define HCI_VENDOR_SUB_CMD_BT_SET_PTATABLE 0x2A
+#define HCI_VENDOR_SUB_CMD_SET_BT_PSD_MODE 0x31
+#define HCI_VENDOR_SUB_CMD_SET_BT_LNA_CONSTRAINT 0x32
+#define HCI_VENDOR_SUB_CMD_GET_AFH_MAP_L 0x40
+#define HCI_VENDOR_SUB_CMD_GET_AFH_MAP_M 0x41
+#define HCI_VENDOR_SUB_CMD_GET_AFH_MAP_H 0x42
+#define HCI_VENDOR_SUB_CMD_RD_REG_REQ 0x43
+#define HCI_VENDOR_SUB_CMD_WR_REG_REQ 0x44
+
+#define HCI_EV_VENDOR_SPECIFIC 0xff
+
+//sub event from fw start
+#define HCI_VENDOR_PTA_REPORT_EVENT 0x24
+#define HCI_VENDOR_PTA_AUTO_REPORT_EVENT 0x25
+
+//vendor cmd to wifi driver
+#define HCI_GRP_VENDOR_SPECIFIC (0x3f << 10)
+#define HCI_OP_HCI_EXTENSION_VERSION_NOTIFY (0x0100 | HCI_GRP_VENDOR_SPECIFIC)
+#define HCI_OP_BT_OPERATION_NOTIFY (0x0102 | HCI_GRP_VENDOR_SPECIFIC)
+#define HCI_OP_HCI_BT_INFO_NOTIFY (0x0106 | HCI_GRP_VENDOR_SPECIFIC)
+#define HCI_OP_HCI_BT_COEX_NOTIFY (0x0107 | HCI_GRP_VENDOR_SPECIFIC)
+#define HCI_OP_HCI_BT_PATCH_VER_NOTIFY (0x0108 | HCI_GRP_VENDOR_SPECIFIC)
+#define HCI_OP_HCI_BT_AFH_MAP_NOTIFY (0x0109 | HCI_GRP_VENDOR_SPECIFIC)
+#define HCI_OP_HCI_BT_REGISTER_VALUE_NOTIFY (0x010a | HCI_GRP_VENDOR_SPECIFIC)
+
+//bt info reason to wifi
+#define HOST_RESPONSE 0 //Host response when receive the BT Info Control Event
+#define POLLING_RESPONSE 1 //The BT Info response for polling by BT firmware.
+#define AUTO_REPORT 2 //BT auto report by BT firmware.
+#define STACK_REPORT_WHILE_DEVICE_D2 3 //Stack report when BT firmware is under power save state(ex:D2)
+
+// vendor event from wifi
+#define RTK_HS_EXTENSION_EVENT_WIFI_SCAN 0x01
+#define RTK_HS_EXTENSION_EVENT_RADIO_STATUS_NOTIFY 0x02
+#define RTK_HS_EXTENSION_EVENT_HCI_BT_INFO_CONTROL 0x03
+#define RTK_HS_EXTENSION_EVENT_HCI_BT_COEX_CONTROL 0x04
+
+//op code from wifi
+#define BT_PATCH_VERSION_QUERY 0x00
+#define IGNORE_WLAN_ACTIVE_CONTROL 0x01
+#define LNA_CONSTRAIN_CONTROL 0x02
+#define BT_POWER_DECREASE_CONTROL 0x03
+#define BT_PSD_MODE_CONTROL 0x04
+#define WIFI_BW_CHNL_NOTIFY 0x05
+#define QUERY_BT_AFH_MAP 0x06
+#define BT_REGISTER_ACCESS 0x07
+
+//bt operation to notify
+#define BT_OPCODE_NONE 0
+#define BT_OPCODE_INQUIRY_START 1
+#define BT_OPCODE_INQUIRY_END 2
+#define BT_OPCODE_PAGE_START 3
+#define BT_OPCODE_PAGE_SUCCESS_END 4
+#define BT_OPCODE_PAGE_UNSUCCESS_END 5
+#define BT_OPCODE_PAIR_START 6
+#define BT_OPCODE_PAIR_END 7
+#define BT_OPCODE_ENABLE_BT 8
+#define BT_OPCODE_DISABLE_BT 9
+
+#define HCI_EXTENSION_VERSION 0x0004
+#define HCI_CMD_PREAMBLE_SIZE 3
+#define PAN_PACKET_COUNT 5
+
+#define STREAM_TO_UINT16(u16, p) {u16 = ((uint16_t)(*(p)) + (((uint16_t)(*((p) + 1))) << 8)); (p) += 2; }
+#define UINT16_TO_STREAM(p, u16) {*(p)++ = (uint8_t)(u16); *(p)++ = (uint8_t)((u16) >> 8); }
+
+#define PSM_SDP 0x0001
+#define PSM_RFCOMM 0x0003
+#define PSM_PAN 0x000F
+#define PSM_HID 0x0011
+#define PSM_HID_INT 0x0013
+#define PSM_AVCTP 0x0017
+#define PSM_AVDTP 0x0019
+#define PSM_FTP 0x1001
+#define PSM_BIP 0x1003
+#define PSM_OPP 0x1015
+//--add more if needed--//
+
+enum {
+ profile_sco = 0,
+ profile_hid = 1,
+ profile_a2dp = 2,
+ profile_pan = 3,
+ profile_hid_interval = 4,
+ profile_hogp = 5,
+ profile_voice = 6,
+ profile_sink = 7,
+ profile_max = 8
+};
+
+#define A2DP_SIGNAL 0x01
+#define A2DP_MEDIA 0x02
+//profile info data
+typedef struct {
+ struct list_head list;
+ uint16_t handle;
+ uint16_t psm;
+ uint16_t dcid;
+ uint16_t scid;
+ uint8_t profile_index;
+ uint8_t flags;
+} rtk_prof_info, *prtk_prof_info;
+
+//profile info for each connection
+typedef struct rtl_hci_conn {
+ struct list_head list;
+ uint16_t handle;
+ uint8_t type; // 0:l2cap, 1:sco/esco, 2:le
+ uint8_t profile_bitmap;
+ int8_t profile_refcount[8];
+} rtk_conn_prof, *prtk_conn_prof;
+
+struct rtl_btinfo {
+ u8 cmd;
+ u8 len;
+ u8 data[6];
+};
+#define RTL_BTINFO_LEN (sizeof(struct rtl_btinfo))
+/* typedef struct {
+ * uint8_t cmd_index;
+ * uint8_t cmd_length;
+ * uint8_t link_status;
+ * uint8_t retry_cnt;
+ * uint8_t rssi;
+ * uint8_t mailbox_info;
+ * uint16_t acl_throughput;
+ * } hci_linkstatus_report; */
+
+typedef struct {
+ uint8_t type;
+ uint32_t offset;
+ uint32_t value;
+} hci_mailbox_register;
+
+struct rtl_btinfo_ctl {
+ uint8_t polling_enable;
+ uint8_t polling_time;
+ uint8_t autoreport_enable;
+};
+
+#define MAX_LEN_OF_HCI_EV 32
+#define NUM_RTL_HCI_EV 32
+struct rtl_hci_ev {
+ __u8 data[MAX_LEN_OF_HCI_EV];
+ __u16 len;
+ struct list_head list;
+};
+
+#define L2_MAX_SUBSEC_LEN 128
+#define L2_MAX_PKTS 16
+struct rtl_l2_buff {
+ __u8 data[L2_MAX_SUBSEC_LEN];
+ __u16 len;
+ __u16 out;
+ struct list_head list;
+};
+
+struct rtl_coex_struct {
+ struct list_head conn_hash; //hash for connections
+ struct list_head profile_list; //hash for profile info
+ struct hci_dev *hdev;
+ struct socket *udpsock;
+ struct sockaddr_in addr;
+ struct sockaddr_in wifi_addr;
+ struct timer_list polling_timer;
+ struct timer_list a2dp_count_timer;
+ struct timer_list pan_count_timer;
+ struct timer_list hogp_count_timer;
+ struct workqueue_struct *sock_wq;
+ struct workqueue_struct *fw_wq;
+ struct delayed_work sock_work;
+ struct delayed_work fw_work;
+ struct delayed_work l2_work;
+ struct sock *sk;
+ struct urb *urb;
+ spinlock_t spin_lock_sock;
+ spinlock_t spin_lock_profile;
+ uint32_t a2dp_packet_count;
+ uint32_t pan_packet_count;
+ uint32_t hogp_packet_count;
+ uint32_t voice_packet_count;
+ uint8_t profile_bitmap;
+ uint8_t profile_status;
+ int8_t profile_refcount[8];
+ uint8_t ispairing;
+ uint8_t isinquirying;
+ uint8_t ispaging;
+ uint8_t wifi_state;
+ uint8_t autoreport;
+ uint8_t polling_enable;
+ uint8_t polling_interval;
+ uint8_t piconet_id;
+ uint8_t mode;
+ uint8_t afh_map[10];
+ uint16_t hci_reversion;
+ uint16_t lmp_subversion;
+ uint8_t wifi_on;
+ uint8_t sock_open;
+ unsigned long cmd_last_tx;
+
+ /* hci ev buff */
+ struct list_head ev_used_list;
+ struct list_head ev_free_list;
+
+ spinlock_t rxlock;
+ __u8 pkt_type;
+ __u16 expect;
+ __u8 *tbuff;
+ __u16 elen;
+ __u8 back_buff[HCI_MAX_EVENT_SIZE];
+
+ /* l2cap rx buff */
+ struct list_head l2_used_list;
+ struct list_head l2_free_list;
+
+ /* buff addr and size */
+ spinlock_t buff_lock;
+ unsigned long pages_addr;
+ unsigned long buff_size;
+
+#define RTL_COEX_RUNNING (1 << 0)
+ unsigned long flags;
+
+};
+
+#ifdef __LITTLE_ENDIAN
+struct sbc_frame_hdr {
+ uint8_t syncword:8; /* Sync word */
+ uint8_t subbands:1; /* Subbands */
+ uint8_t allocation_method:1; /* Allocation method */
+ uint8_t channel_mode:2; /* Channel mode */
+ uint8_t blocks:2; /* Blocks */
+ uint8_t sampling_frequency:2; /* Sampling frequency */
+ uint8_t bitpool:8; /* Bitpool */
+ uint8_t crc_check:8; /* CRC check */
+} __attribute__ ((packed));
+
+/* NOTE: The code is copied from pa.
+ * only the bit field in 8-bit is affected by endian, not the 16-bit or 32-bit.
+ * why?
+ */
+struct rtp_header {
+ unsigned cc:4;
+ unsigned x:1;
+ unsigned p:1;
+ unsigned v:2;
+
+ unsigned pt:7;
+ unsigned m:1;
+
+ uint16_t sequence_number;
+ uint32_t timestamp;
+ uint32_t ssrc;
+ uint32_t csrc[0];
+} __attribute__ ((packed));
+
+#else
+/* big endian */
+struct sbc_frame_hdr {
+ uint8_t syncword:8; /* Sync word */
+ uint8_t sampling_frequency:2; /* Sampling frequency */
+ uint8_t blocks:2; /* Blocks */
+ uint8_t channel_mode:2; /* Channel mode */
+ uint8_t allocation_method:1; /* Allocation method */
+ uint8_t subbands:1; /* Subbands */
+ uint8_t bitpool:8; /* Bitpool */
+ uint8_t crc_check:8; /* CRC check */
+} __attribute__ ((packed));
+
+struct rtp_header {
+ unsigned v:2;
+ unsigned p:1;
+ unsigned x:1;
+ unsigned cc:4;
+
+ unsigned m:1;
+ unsigned pt:7;
+
+ uint16_t sequence_number;
+ uint32_t timestamp;
+ uint32_t ssrc;
+ uint32_t csrc[0];
+} __attribute__ ((packed));
+#endif /* __LITTLE_ENDIAN */
+
+void rtk_btcoex_parse_event(uint8_t *buffer, int count);
+void rtk_btcoex_parse_cmd(uint8_t *buffer, int count);
+void rtk_btcoex_parse_l2cap_data_tx(uint8_t *buffer, int count);
+void rtk_btcoex_parse_l2cap_data_rx(uint8_t *buffer, int count);
+
+void rtk_btcoex_open(struct hci_dev *hdev);
+void rtk_btcoex_close(void);
+void rtk_btcoex_probe(struct hci_dev *hdev);
+void rtk_btcoex_init(void);
+void rtk_btcoex_exit(void);
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