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 #if (HW_END_WITH_HCI_RESET == TRUE) 57 void hw_epilog_process(void); 58 #endif 59 60 /****************************************************************************** 61 ** Variables 62 ******************************************************************************/ 63 64 bt_vendor_callbacks_t *bt_vendor_cbacks = NULL; 65 uint8_t vnd_local_bd_addr[6]={0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 66 67 /****************************************************************************** 68 ** Local type definitions 69 ******************************************************************************/ 70 71 /****************************************************************************** 72 ** Static Variables 73 ******************************************************************************/ 74 75 static const tUSERIAL_CFG userial_init_cfg = 76 { 77 (USERIAL_DATABITS_8 | USERIAL_PARITY_NONE | USERIAL_STOPBITS_1), 78 USERIAL_BAUD_115200 79 }; 80 81 /****************************************************************************** 82 ** Functions 83 ******************************************************************************/ 84 85 /***************************************************************************** 86 ** 87 ** BLUETOOTH VENDOR INTERFACE LIBRARY FUNCTIONS 88 ** 89 *****************************************************************************/ 90 91 static int init(const bt_vendor_callbacks_t* p_cb, unsigned char *local_bdaddr) 92 { 93 ALOGI("init"); 94 95 if (p_cb == NULL) 96 { 97 ALOGE("init failed with no user callbacks!"); 98 return -1; 99 } 100 101 #if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE) 102 ALOGW("*****************************************************************"); 103 ALOGW("*****************************************************************"); 104 ALOGW("** Warning - BT Vendor Lib is loaded in debug tuning mode!"); 105 ALOGW("**"); 106 ALOGW("** If this is not intentional, rebuild libbt-vendor.so "); 107 ALOGW("** with VENDOR_LIB_RUNTIME_TUNING_ENABLED=FALSE and "); 108 ALOGW("** check if any run-time tuning parameters needed to be"); 109 ALOGW("** carried to the build-time configuration accordingly."); 110 ALOGW("*****************************************************************"); 111 ALOGW("*****************************************************************"); 112 #endif 113 114 userial_vendor_init(); 115 upio_init(); 116 117 vnd_load_conf(VENDOR_LIB_CONF_FILE); 118 119 /* store reference to user callbacks */ 120 bt_vendor_cbacks = (bt_vendor_callbacks_t *) p_cb; 121 122 /* This is handed over from the stack */ 123 memcpy(vnd_local_bd_addr, local_bdaddr, 6); 124 125 return 0; 126 } 127 128 129 /** Requested operations */ 130 static int op(bt_vendor_opcode_t opcode, void *param) 131 { 132 int retval = 0; 133 134 BTVNDDBG("op for %d", opcode); 135 136 switch(opcode) 137 { 138 case BT_VND_OP_POWER_CTRL: 139 { 140 int *state = (int *) param; 141 if (*state == BT_VND_PWR_OFF) 142 upio_set_bluetooth_power(UPIO_BT_POWER_OFF); 143 else if (*state == BT_VND_PWR_ON) 144 upio_set_bluetooth_power(UPIO_BT_POWER_ON); 145 } 146 break; 147 148 case BT_VND_OP_FW_CFG: 149 { 150 hw_config_start(); 151 } 152 break; 153 154 case BT_VND_OP_SCO_CFG: 155 { 156 #if (SCO_CFG_INCLUDED == TRUE) 157 hw_sco_config(); 158 #else 159 retval = -1; 160 #endif 161 } 162 break; 163 164 case BT_VND_OP_USERIAL_OPEN: 165 { 166 int (*fd_array)[] = (int (*)[]) param; 167 int fd, idx; 168 fd = userial_vendor_open((tUSERIAL_CFG *) &userial_init_cfg); 169 if (fd != -1) 170 { 171 for (idx=0; idx < CH_MAX; idx++) 172 (*fd_array)[idx] = fd; 173 174 retval = 1; 175 } 176 /* retval contains numbers of open fd of HCI channels */ 177 } 178 break; 179 180 case BT_VND_OP_USERIAL_CLOSE: 181 { 182 userial_vendor_close(); 183 } 184 break; 185 186 case BT_VND_OP_GET_LPM_IDLE_TIMEOUT: 187 { 188 uint32_t *timeout_ms = (uint32_t *) param; 189 *timeout_ms = hw_lpm_get_idle_timeout(); 190 } 191 break; 192 193 case BT_VND_OP_LPM_SET_MODE: 194 { 195 uint8_t *mode = (uint8_t *) param; 196 retval = hw_lpm_enable(*mode); 197 } 198 break; 199 200 case BT_VND_OP_LPM_WAKE_SET_STATE: 201 { 202 uint8_t *state = (uint8_t *) param; 203 uint8_t wake_assert = (*state == BT_VND_LPM_WAKE_ASSERT) ? \ 204 TRUE : FALSE; 205 206 hw_lpm_set_wake_state(wake_assert); 207 } 208 break; 209 210 case BT_VND_OP_SET_AUDIO_STATE: 211 { 212 retval = hw_set_audio_state((bt_vendor_op_audio_state_t *)param); 213 } 214 break; 215 216 case BT_VND_OP_EPILOG: 217 { 218 #if (HW_END_WITH_HCI_RESET == FALSE) 219 if (bt_vendor_cbacks) 220 { 221 bt_vendor_cbacks->epilog_cb(BT_VND_OP_RESULT_SUCCESS); 222 } 223 #else 224 hw_epilog_process(); 225 #endif 226 } 227 break; 228 } 229 230 return retval; 231 } 232 233 /** Closes the interface */ 234 static void cleanup( void ) 235 { 236 BTVNDDBG("cleanup"); 237 238 upio_cleanup(); 239 240 bt_vendor_cbacks = NULL; 241 } 242 243 // Entry point of DLib 244 const bt_vendor_interface_t BLUETOOTH_VENDOR_LIB_INTERFACE = { 245 sizeof(bt_vendor_interface_t), 246 init, 247 op, 248 cleanup 249 }; 250
