1 /****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * Filename: bt_vendor_brcm.c 22 * 23 * Description: Broadcom vendor specific library implementation 24 * 25 ******************************************************************************/ 26 27 #define LOG_TAG "bt_vendor" 28 29 #include <utils/Log.h> 30 #include "bt_vendor_brcm.h" 31 #include "upio.h" 32 #include "userial_vendor.h" 33 34 #ifndef BTVND_DBG 35 #define BTVND_DBG FALSE 36 #endif 37 38 #if (BTVND_DBG == TRUE) 39 #define BTVNDDBG(param, ...) {ALOGD(param, ## __VA_ARGS__);} 40 #else 41 #define BTVNDDBG(param, ...) {} 42 #endif 43 44 /****************************************************************************** 45 ** Externs 46 ******************************************************************************/ 47 48 void hw_config_start(void); 49 uint8_t hw_lpm_enable(uint8_t turn_on); 50 uint32_t hw_lpm_get_idle_timeout(void); 51 void hw_lpm_set_wake_state(uint8_t wake_assert); 52 #if (SCO_CFG_INCLUDED == TRUE) 53 void hw_sco_config(void); 54 #endif 55 void vnd_load_conf(const char *p_path); 56 57 /****************************************************************************** 58 ** Variables 59 ******************************************************************************/ 60 61 bt_vendor_callbacks_t *bt_vendor_cbacks = NULL; 62 uint8_t vnd_local_bd_addr[6]={0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 63 64 /****************************************************************************** 65 ** Local type definitions 66 ******************************************************************************/ 67 68 /****************************************************************************** 69 ** Static Variables 70 ******************************************************************************/ 71 72 static const tUSERIAL_CFG userial_init_cfg = 73 { 74 (USERIAL_DATABITS_8 | USERIAL_PARITY_NONE | USERIAL_STOPBITS_1), 75 USERIAL_BAUD_115200 76 }; 77 78 /****************************************************************************** 79 ** Functions 80 ******************************************************************************/ 81 82 /***************************************************************************** 83 ** 84 ** BLUETOOTH VENDOR INTERFACE LIBRARY FUNCTIONS 85 ** 86 *****************************************************************************/ 87 88 static int init(const bt_vendor_callbacks_t* p_cb, unsigned char *local_bdaddr) 89 { 90 ALOGI("init"); 91 92 if (p_cb == NULL) 93 { 94 ALOGE("init failed with no user callbacks!"); 95 return -1; 96 } 97 98 #if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE) 99 ALOGW("*****************************************************************"); 100 ALOGW("*****************************************************************"); 101 ALOGW("** Warning - BT Vendor Lib is loaded in debug tuning mode!"); 102 ALOGW("**"); 103 ALOGW("** If this is not intentional, rebuild libbt-vendor.so "); 104 ALOGW("** with VENDOR_LIB_RUNTIME_TUNING_ENABLED=FALSE and "); 105 ALOGW("** check if any run-time tuning parameters needed to be"); 106 ALOGW("** carried to the build-time configuration accordingly."); 107 ALOGW("*****************************************************************"); 108 ALOGW("*****************************************************************"); 109 #endif 110 111 userial_vendor_init(); 112 upio_init(); 113 114 vnd_load_conf(VENDOR_LIB_CONF_FILE); 115 116 /* store reference to user callbacks */ 117 bt_vendor_cbacks = (bt_vendor_callbacks_t *) p_cb; 118 119 /* This is handed over from the stack */ 120 memcpy(vnd_local_bd_addr, local_bdaddr, 6); 121 122 return 0; 123 } 124 125 126 /** Requested operations */ 127 static int op(bt_vendor_opcode_t opcode, void *param) 128 { 129 int retval = 0; 130 131 BTVNDDBG("op for %d", opcode); 132 133 switch(opcode) 134 { 135 case BT_VND_OP_POWER_CTRL: 136 { 137 int *state = (int *) param; 138 if (*state == BT_VND_PWR_OFF) 139 upio_set_bluetooth_power(UPIO_BT_POWER_OFF); 140 else if (*state == BT_VND_PWR_ON) 141 upio_set_bluetooth_power(UPIO_BT_POWER_ON); 142 } 143 break; 144 145 case BT_VND_OP_FW_CFG: 146 { 147 hw_config_start(); 148 } 149 break; 150 151 case BT_VND_OP_SCO_CFG: 152 { 153 #if (SCO_CFG_INCLUDED == TRUE) 154 hw_sco_config(); 155 #else 156 retval = -1; 157 #endif 158 } 159 break; 160 161 case BT_VND_OP_USERIAL_OPEN: 162 { 163 int (*fd_array)[] = (int (*)[]) param; 164 int fd, idx; 165 fd = userial_vendor_open((tUSERIAL_CFG *) &userial_init_cfg); 166 if (fd != -1) 167 { 168 for (idx=0; idx < CH_MAX; idx++) 169 (*fd_array)[idx] = fd; 170 171 retval = 1; 172 } 173 /* retval contains numbers of open fd of HCI channels */ 174 } 175 break; 176 177 case BT_VND_OP_USERIAL_CLOSE: 178 { 179 userial_vendor_close(); 180 } 181 break; 182 183 case BT_VND_OP_GET_LPM_IDLE_TIMEOUT: 184 { 185 uint32_t *timeout_ms = (uint32_t *) param; 186 *timeout_ms = hw_lpm_get_idle_timeout(); 187 } 188 break; 189 190 case BT_VND_OP_LPM_SET_MODE: 191 { 192 uint8_t *mode = (uint8_t *) param; 193 retval = hw_lpm_enable(*mode); 194 } 195 break; 196 197 case BT_VND_OP_LPM_WAKE_SET_STATE: 198 { 199 uint8_t *state = (uint8_t *) param; 200 uint8_t wake_assert = (*state == BT_VND_LPM_WAKE_ASSERT) ? \ 201 TRUE : FALSE; 202 203 hw_lpm_set_wake_state(wake_assert); 204 } 205 break; 206 } 207 208 return retval; 209 } 210 211 /** Closes the interface */ 212 static void cleanup( void ) 213 { 214 BTVNDDBG("cleanup"); 215 216 upio_cleanup(); 217 218 bt_vendor_cbacks = NULL; 219 } 220 221 // Entry point of DLib 222 const bt_vendor_interface_t BLUETOOTH_VENDOR_LIB_INTERFACE = { 223 sizeof(bt_vendor_interface_t), 224 init, 225 op, 226 cleanup 227 }; 228
