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236 lines
6.7 KiB
236 lines
6.7 KiB
/* |
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* Copyright (c) 2013, The Linux Foundation. All rights reserved. |
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* Not a Contribution. |
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* Copyright (C) 2009-2012 Broadcom Corporation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef HCI_UART_H |
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#define HCI_UART_H |
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/* Variables to identify the platform */ |
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/*BT HS UART TTY DEVICE */ |
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#define BT_HS_UART_DEVICE "/dev/ttyHS0" |
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/**** baud rates ****/ |
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#define USERIAL_BAUD_300 0 |
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#define USERIAL_BAUD_600 1 |
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#define USERIAL_BAUD_1200 2 |
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#define USERIAL_BAUD_2400 3 |
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#define USERIAL_BAUD_9600 4 |
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#define USERIAL_BAUD_19200 5 |
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#define USERIAL_BAUD_57600 6 |
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#define USERIAL_BAUD_115200 7 |
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#define USERIAL_BAUD_230400 8 |
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#define USERIAL_BAUD_460800 9 |
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#define USERIAL_BAUD_921600 10 |
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#define USERIAL_BAUD_1M 11 |
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#define USERIAL_BAUD_1_5M 12 |
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#define USERIAL_BAUD_2M 13 |
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#define USERIAL_BAUD_3M 14 |
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#define USERIAL_BAUD_4M 15 |
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#define USERIAL_BAUD_AUTO 16 |
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/**** Data Format ****/ |
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/* Stop Bits */ |
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#define USERIAL_STOPBITS_1 1 |
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#define USERIAL_STOPBITS_1_5 (1<<1) |
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#define USERIAL_STOPBITS_2 (1<<2) |
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/* Parity Bits */ |
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#define USERIAL_PARITY_NONE (1<<3) |
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#define USERIAL_PARITY_EVEN (1<<4) |
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#define USERIAL_PARITY_ODD (1<<5) |
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/* Data Bits */ |
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#define USERIAL_DATABITS_5 (1<<6) |
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#define USERIAL_DATABITS_6 (1<<7) |
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#define USERIAL_DATABITS_7 (1<<8) |
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#define USERIAL_DATABITS_8 (1<<9) |
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/* HCI Packet types */ |
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#define HCI_COMMAND_PKT 0x01 |
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#define HCI_ACLDATA_PKT 0x02 |
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#define HCI_SCODATA_PKT 0x03 |
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#define HCI_EVENT_PKT 0x04 |
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#define HCI_VENDOR_PKT 0xff |
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/* HCI Command/Event Opcode */ |
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#define HCI_RESET 0x0C03 |
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#define EVT_CMD_COMPLETE 0x0E |
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/* Command opcode pack/unpack */ |
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#define cmd_opcode_pack(ogf, ocf) (uint16_t)((ocf & 0x03ff)|(ogf << 10)) |
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#if (BT_WAKE_VIA_USERIAL_IOCTL==TRUE) |
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/* These are the ioctl values used for bt_wake ioctl via UART driver. you may |
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* need to redefine them on you platform! |
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* Logically they need to be unique and not colide with existing uart ioctl's. |
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*/ |
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#ifndef USERIAL_IOCTL_BT_WAKE_ASSERT |
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#define USERIAL_IOCTL_BT_WAKE_ASSERT 0x8003 |
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#endif |
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#ifndef USERIAL_IOCTL_BT_WAKE_DEASSERT |
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#define USERIAL_IOCTL_BT_WAKE_DEASSERT 0x8004 |
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#endif |
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#ifndef USERIAL_IOCTL_BT_WAKE_GET_ST |
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#define USERIAL_IOCTL_BT_WAKE_GET_ST 0x8005 |
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#endif |
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#endif // (BT_WAKE_VIA_USERIAL_IOCTL==TRUE) |
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/* UART CLOCK IOCTLS*/ |
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#define USERIAL_OP_CLK_ON 0x5441 |
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#define USERIAL_OP_CLK_OFF 0x5442 |
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#define USERIAL_OP_CLK_STATE 0x5443 |
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/****************************************************************************** |
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** Type definitions |
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******************************************************************************/ |
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/* Structure used to configure serial port during open */ |
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typedef struct |
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{ |
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uint16_t fmt; /* Data format */ |
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uint8_t baud; /* Baud rate */ |
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} tUSERIAL_CFG; |
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typedef enum { |
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#if (BT_WAKE_VIA_USERIAL_IOCTL==TRUE) |
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USERIAL_OP_ASSERT_BT_WAKE, |
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USERIAL_OP_DEASSERT_BT_WAKE, |
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USERIAL_OP_GET_BT_WAKE_STATE, |
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#endif |
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USERIAL_OP_FLOW_ON, |
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USERIAL_OP_FLOW_OFF, |
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USERIAL_OP_NOP, |
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} userial_vendor_ioctl_op_t; |
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/* UPIO signals */ |
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enum { |
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UPIO_BT_WAKE = 0, |
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UPIO_HOST_WAKE, |
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UPIO_LPM_MODE, |
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UPIO_MAX_COUNT |
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}; |
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/* UPIO assertion/deassertion */ |
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enum { |
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UPIO_UNKNOWN = 0, |
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UPIO_DEASSERT, |
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UPIO_ASSERT |
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}; |
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#define VND_PORT_NAME_MAXLEN 256 |
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/* vendor serial control block */ |
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typedef struct |
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{ |
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int fd; /* fd to Bluetooth device */ |
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struct termios termios; /* serial terminal of BT port */ |
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char port_name[VND_PORT_NAME_MAXLEN]; |
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} vnd_userial_cb_t; |
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typedef struct { |
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uint8_t ncmd; |
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uint16_t opcode; |
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} __attribute__ ((packed)) evt_cmd_complete; |
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typedef struct { |
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uint8_t status; |
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uint8_t ncmd; |
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uint16_t opcode; |
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} __attribute__ ((packed)) evt_cmd_status; |
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typedef struct { |
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uint16_t opcode; |
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uint8_t plen; |
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} __attribute__ ((packed)) hci_command_hdr; |
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typedef struct { |
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uint8_t evt; |
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uint8_t plen; |
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} __attribute__ ((packed)) hci_event_hdr; |
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/****************************************************************************** |
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** Extern |
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******************************************************************************/ |
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extern vnd_userial_cb_t vnd_userial; |
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/******************************************************************************* |
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** |
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** Function userial_vendor_init |
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** |
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** Description Initialize userial vendor-specific control block |
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** |
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** Returns None |
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** |
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*******************************************************************************/ |
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void userial_vendor_init(void); |
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/******************************************************************************* |
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** |
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** Function userial_vendor_open |
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** |
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** Description Open the serial port with the given configuration |
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** |
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** Returns device fd |
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** |
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*******************************************************************************/ |
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int userial_vendor_open(tUSERIAL_CFG *p_cfg); |
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/******************************************************************************* |
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** |
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** Function userial_vendor_close |
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** |
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** Description Conduct vendor-specific close work |
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** |
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** Returns None |
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** |
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*******************************************************************************/ |
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void userial_vendor_close(void); |
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/******************************************************************************* |
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** |
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** Function userial_vendor_set_baud |
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** |
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** Description Set new baud rate |
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** |
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** Returns None |
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** |
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*******************************************************************************/ |
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void userial_vendor_set_baud(uint8_t userial_baud); |
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/******************************************************************************* |
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** |
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** Function userial_vendor_ioctl |
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** |
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** Description ioctl inteface |
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** |
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** Returns int error |
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** |
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*******************************************************************************/ |
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int userial_vendor_ioctl(userial_vendor_ioctl_op_t op, int *p_data); |
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/******************************************************************************* |
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** |
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** Function read_hci_event |
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** |
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** Description Read HCI event during vendor initialization |
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** |
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** Returns int: size to read |
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** |
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*******************************************************************************/ |
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int read_hci_event(int fd, unsigned char* buf, int size); |
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#endif /* HCI_UART_H */
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