diff options
Diffstat (limited to 'msm8909w_3100/libbt-vendor/src/hardware.c')
| -rw-r--r-- | msm8909w_3100/libbt-vendor/src/hardware.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/msm8909w_3100/libbt-vendor/src/hardware.c b/msm8909w_3100/libbt-vendor/src/hardware.c new file mode 100644 index 0000000..90db801 --- /dev/null +++ b/msm8909w_3100/libbt-vendor/src/hardware.c @@ -0,0 +1,194 @@ +/* + * Copyright 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/****************************************************************************** + * + * Filename: hardware.c + * + * Description: Contains controller-specific functions, like + * firmware patch download + * low power mode operations + * + ******************************************************************************/ + +#define LOG_TAG "bt_vendor" + +#include <utils/Log.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <signal.h> +#include <time.h> +#include <errno.h> +#include <fcntl.h> +#include <dirent.h> +#include <ctype.h> +#include <cutils/properties.h> +#include <stdlib.h> +#include "bt_hci_bdroid.h" +#include "bt_vendor_qcom.h" +#include <string.h> +#define MAX_CNT_RETRY 100 + +int hw_config(int nState) +{ + char *szState[] = {"true", "false"}; + char *szReqSt = NULL; + char szBtSocStatus[PROPERTY_VALUE_MAX] = {'\0', }; + + if(nState == BT_VND_PWR_OFF) + szReqSt = szState[1]; + else + szReqSt = szState[0]; + + if((property_get("bluetooth.status", szBtSocStatus, "") <= 0)) + { + if(nState == BT_VND_PWR_ON ) { + ALOGW("Hw_config: First Time BT on after boot.Starting hciattach daemon BTStatus=%s",szBtSocStatus); + if (property_set("bluetooth.hciattach", szReqSt) < 0) + { + ALOGE("Hw_config: Property Setting fail"); + return -1; + } + } + } else if( !(strncmp(szBtSocStatus, "on", strlen("on")))) { + //BTSOC is already on + ALOGW("Hw_config: nState = %d", nState); + } else { + ALOGW("Hw_config: trigerring hciattach"); + if (property_set("bluetooth.hciattach", szReqSt) < 0) + { + ALOGE("Hw_config: Property Setting fail"); + return -1; + } + } + + return 0; +} + +int readTrpState() +{ + char szBtStatus[PROPERTY_VALUE_MAX] = {0, }; + if(property_get("bluetooth.status", szBtStatus, "") < 0){ + ALOGE("Fail to get bluetooth status"); + return FALSE; + } + + if(!strncmp(szBtStatus, "on", strlen("on"))){ + ALOGI("bluetooth status is on"); + return TRUE; + } + return FALSE; +} + +int is_hw_ready() +{ + int i=0; + char szStatus[10] = {0,}; + + for(i=MAX_CNT_RETRY; i>0; i--){ + //TODO :: checking routine + if(readTrpState()==TRUE){ + break; + } + usleep(50*1000); + } + return (i==0)? FALSE:TRUE; +} + +#if (HW_NEED_END_WITH_HCI_RESET == TRUE) +/******************************************************************************* +** +** Function hw_epilog_cback +** +** Description Callback function for Command Complete Events from HCI +** commands sent in epilog process. +** +** Returns None +** +*******************************************************************************/ +void hw_epilog_cback(void *p_mem) +{ + HC_BT_HDR *p_evt_buf = (HC_BT_HDR *) p_mem; + char *p_name, *p_tmp; + uint8_t *p, status; + uint16_t opcode; + + status = *((uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_STATUS_RET_BYTE); + p = (uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_OPCODE; + STREAM_TO_UINT16(opcode,p); + + ALOGI("%s Opcode:0x%04X Status: %d", __FUNCTION__, opcode, status); + +#ifdef BT_THREADLOCK_SAFE + pthread_mutex_lock(&q_lock); +#endif + if (!q) { + ALOGE("hw_epilog_cback called with NULL context"); + goto out; + } + /* Must free the RX event buffer */ + q->cb->dealloc(p_evt_buf); + + /* Once epilog process is done, must call callback to notify caller */ + q->cb->epilog_cb(BT_VND_OP_RESULT_SUCCESS); +out: +#ifdef BT_THREADLOCK_SAFE + pthread_mutex_unlock(&q_lock); +#endif + return; +} + +/******************************************************************************* +** +** Function hw_epilog_process +** +** Description Sample implementation of epilog process. This process is +** called with q_lock held and q->cb is assumed to be valid. +** +** Returns None +** +*******************************************************************************/ +void __hw_epilog_process(void) +{ + HC_BT_HDR *p_buf = NULL; + uint8_t *p; + + ALOGI("hw_epilog_process"); + + /* Sending a HCI_RESET */ + /* Must allocate command buffer via HC's alloc API */ + p_buf = (HC_BT_HDR *) q->cb->alloc(BT_HC_HDR_SIZE + HCI_CMD_PREAMBLE_SIZE); + if (p_buf) + { + p_buf->event = MSG_STACK_TO_HC_HCI_CMD; + p_buf->offset = 0; + p_buf->layer_specific = 0; + p_buf->len = HCI_CMD_PREAMBLE_SIZE; + + p = (uint8_t *) (p_buf + 1); + UINT16_TO_STREAM(p, HCI_RESET); + *p = 0; /* parameter length */ + + /* Send command via HC's xmit_cb API */ + q->cb->xmit_cb(HCI_RESET, p_buf, hw_epilog_cback); + } + else + { + ALOGE("vendor lib epilog process aborted [no buffer]"); + q->cb->epilog_cb(BT_VND_OP_RESULT_FAIL); + } +} +#endif // (HW_NEED_END_WITH_HCI_RESET == TRUE) |