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 <string.h> 31 #include "bt_vendor_brcm.h" 32 #include "upio.h" 33 #include "userial_vendor.h" 34 35 #ifndef BTVND_DBG 36 #define BTVND_DBG FALSE 37 #endif 38 39 #if (BTVND_DBG == TRUE) 40 #define BTVNDDBG(param, ...) {ALOGD(param, ## __VA_ARGS__);} 41 #else 42 #define BTVNDDBG(param, ...) {} 43 #endif 44 45 /****************************************************************************** 46 ** Externs 47 ******************************************************************************/ 48 49 void hw_config_start(void); 50 uint8_t hw_lpm_enable(uint8_t turn_on); 51 uint32_t hw_lpm_get_idle_timeout(void); 52 void hw_lpm_set_wake_state(uint8_t wake_assert); 53 #if (SCO_CFG_INCLUDED == TRUE) 54 void hw_sco_config(void); 55 #endif 56 void vnd_load_conf(const char *p_path); 57 #if (HW_END_WITH_HCI_RESET == TRUE) 58 void hw_epilog_process(void); 59 #endif 60 61 /****************************************************************************** 62 ** Variables 63 ******************************************************************************/ 64 65 bt_vendor_callbacks_t *bt_vendor_cbacks = NULL; 66 uint8_t vnd_local_bd_addr[6]={0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 67 68 /****************************************************************************** 69 ** Local type definitions 70 ******************************************************************************/ 71 72 /****************************************************************************** 73 ** Static Variables 74 ******************************************************************************/ 75 76 static const tUSERIAL_CFG userial_init_cfg = 77 { 78 (USERIAL_DATABITS_8 | USERIAL_PARITY_NONE | USERIAL_STOPBITS_1), 79 USERIAL_BAUD_115200 80 }; 81 82 /****************************************************************************** 83 ** Functions 84 ******************************************************************************/ 85 86 /***************************************************************************** 87 ** 88 ** BLUETOOTH VENDOR INTERFACE LIBRARY FUNCTIONS 89 ** 90 *****************************************************************************/ 91 92 static int init(const bt_vendor_callbacks_t* p_cb, unsigned char *local_bdaddr) 93 { 94 ALOGI("init"); 95 96 if (p_cb == NULL) 97 { 98 ALOGE("init failed with no user callbacks!"); 99 return -1; 100 } 101 102 #if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE) 103 ALOGW("*****************************************************************"); 104 ALOGW("*****************************************************************"); 105 ALOGW("** Warning - BT Vendor Lib is loaded in debug tuning mode!"); 106 ALOGW("**"); 107 ALOGW("** If this is not intentional, rebuild libbt-vendor.so "); 108 ALOGW("** with VENDOR_LIB_RUNTIME_TUNING_ENABLED=FALSE and "); 109 ALOGW("** check if any run-time tuning parameters needed to be"); 110 ALOGW("** carried to the build-time configuration accordingly."); 111 ALOGW("*****************************************************************"); 112 ALOGW("*****************************************************************"); 113 #endif 114 115 userial_vendor_init(); 116 upio_init(); 117 118 vnd_load_conf(VENDOR_LIB_CONF_FILE); 119 120 /* store reference to user callbacks */ 121 bt_vendor_cbacks = (bt_vendor_callbacks_t *) p_cb; 122 123 /* This is handed over from the stack */ 124 memcpy(vnd_local_bd_addr, local_bdaddr, 6); 125 126 return 0; 127 } 128 129 130 /** Requested operations */ 131 static int op(bt_vendor_opcode_t opcode, void *param) 132 { 133 int retval = 0; 134 135 BTVNDDBG("op for %d", opcode); 136 137 switch(opcode) 138 { 139 case BT_VND_OP_POWER_CTRL: 140 { 141 int *state = (int *) param; 142 if (*state == BT_VND_PWR_OFF) 143 upio_set_bluetooth_power(UPIO_BT_POWER_OFF); 144 else if (*state == BT_VND_PWR_ON) 145 upio_set_bluetooth_power(UPIO_BT_POWER_ON); 146 } 147 break; 148 149 case BT_VND_OP_FW_CFG: 150 { 151 hw_config_start(); 152 } 153 break; 154 155 case BT_VND_OP_SCO_CFG: 156 { 157 #if (SCO_CFG_INCLUDED == TRUE) 158 hw_sco_config(); 159 #else 160 retval = -1; 161 #endif 162 } 163 break; 164 165 case BT_VND_OP_USERIAL_OPEN: 166 { 167 int (*fd_array)[] = (int (*)[]) param; 168 int fd, idx; 169 fd = userial_vendor_open((tUSERIAL_CFG *) &userial_init_cfg); 170 if (fd != -1) 171 { 172 for (idx=0; idx < CH_MAX; idx++) 173 (*fd_array)[idx] = fd; 174 175 retval = 1; 176 } 177 /* retval contains numbers of open fd of HCI channels */ 178 } 179 break; 180 181 case BT_VND_OP_USERIAL_CLOSE: 182 { 183 userial_vendor_close(); 184 } 185 break; 186 187 case BT_VND_OP_GET_LPM_IDLE_TIMEOUT: 188 { 189 uint32_t *timeout_ms = (uint32_t *) param; 190 *timeout_ms = hw_lpm_get_idle_timeout(); 191 } 192 break; 193 194 case BT_VND_OP_LPM_SET_MODE: 195 { 196 uint8_t *mode = (uint8_t *) param; 197 retval = hw_lpm_enable(*mode); 198 } 199 break; 200 201 case BT_VND_OP_LPM_WAKE_SET_STATE: 202 { 203 uint8_t *state = (uint8_t *) param; 204 uint8_t wake_assert = (*state == BT_VND_LPM_WAKE_ASSERT) ? \ 205 TRUE : FALSE; 206 207 hw_lpm_set_wake_state(wake_assert); 208 } 209 break; 210 211 case BT_VND_OP_SET_AUDIO_STATE: 212 { 213 retval = hw_set_audio_state((bt_vendor_op_audio_state_t *)param); 214 } 215 break; 216 217 case BT_VND_OP_EPILOG: 218 { 219 #if (HW_END_WITH_HCI_RESET == FALSE) 220 if (bt_vendor_cbacks) 221 { 222 bt_vendor_cbacks->epilog_cb(BT_VND_OP_RESULT_SUCCESS); 223 } 224 #else 225 hw_epilog_process(); 226 #endif 227 } 228 break; 229 } 230 231 return retval; 232 } 233 234 /** Closes the interface */ 235 static void cleanup( void ) 236 { 237 BTVNDDBG("cleanup"); 238 239 upio_cleanup(); 240 241 bt_vendor_cbacks = NULL; 242 } 243 244 // Entry point of DLib 245 const bt_vendor_interface_t BLUETOOTH_VENDOR_LIB_INTERFACE = { 246 sizeof(bt_vendor_interface_t), 247 init, 248 op, 249 cleanup 250 }; 251
