Merge "Move A2DP Offload vendor implementation for Broadcom into a static library"
am: 654ce2d86a
Change-Id: I21874efe5e5897c3f63e0e3ae44bcfd7ab9069c2
diff --git a/Android.mk b/Android.mk
index f2a35ea..0deab50 100644
--- a/Android.mk
+++ b/Android.mk
@@ -20,7 +20,6 @@
LOCAL_SRC_FILES := \
src/bt_vendor_brcm.c \
- src/bt_vendor_brcm_a2dp.c \
src/hardware.c \
src/userial_vendor.c \
src/upio.c \
@@ -36,6 +35,10 @@
LOCAL_C_INCLUDES += $(bdroid_C_INCLUDES)
LOCAL_CFLAGS += $(bdroid_CFLAGS)
+ifneq ($(BOARD_HAVE_BLUETOOTH_BCM_A2DP_OFFLOAD),)
+ LOCAL_STATIC_LIBRARIES := libbt-brcm_a2dp
+endif
+
LOCAL_SHARED_LIBRARIES := \
libcutils \
liblog
diff --git a/include/bt_vendor_brcm_a2dp.h b/include/bt_vendor_brcm_a2dp.h
deleted file mode 100644
index 5df91a8..0000000
--- a/include/bt_vendor_brcm_a2dp.h
+++ /dev/null
@@ -1,106 +0,0 @@
-/******************************************************************************
- *
- * Copyright (C) 2015 Motorola Corporation
- *
- * 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: bt_vendor_brcm_a2dp.h
- *
- * Description: Contains definitions specific for interfacing with Broadcom
- * Bluetooth chipsets for A2DP Offload implementation.
- *
- ******************************************************************************/
-
-#ifndef BT_VENDOR_BRCM_A2DP_H
-#define BT_VENDOR_BRCM_A2DP_H
-
-#include "bt_vendor_brcm.h"
-#include "bt_target.h"
-#include "uipc_msg.h"
-
-/******************************************************************************
-** Constants & Macros
-******************************************************************************/
-
-#define HCI_VSC_WRITE_PCM_PINS 0xFC61
-#define HCI_VSC_READ_PCM_PINS 0xFC62
-#define HCI_VSC_UIPC_OVER_HCI 0xFC8B
-
-/* pinmux for I2S pins */
-#define PCM_PIN_FCN_GPIO 0x00
-#define PCM_PIN_FCN_PCM 0x01
-#define PCM_PIN_FCN_I2S_MASTER 0x05
-#define PCM_PIN_FCN_I2S_SLAVE 0x07
-#define PCM_PIN_FCN_INVALID 0xFF
-
-/* PADCONF for I2S pins */
-/* From LSB, byte map to DIN, DOUT, WS, CLK */
-/*
-bit 0: 0 OUTPUT, 1 INPUT
-bit 1: 0 NO-PULL,1 PULL-UP
-bit 2: 0 NO-PULL,1 PULL-DN
-bit 3: 1 SHMITT Trigger Enable
-bit 4-7: Drive Strength
-*/
-/* Define standard Master & Slave I2S PADCONFs */
-#define PCM_PIN_PADCNF_I2S_SLAVE 0x19191819
-#define PCM_PIN_PADCNF_I2S_MASTER 0x18181819
-
-#define HCI_EVT_CMD_CMPL_LEN 1
-#define HCI_EVT_CMD_CMPL_VSC 3
-#define HCI_CMD_PREAMBLE_SIZE 3
-#define HCI_CMD_MAX_LEN 258
-
-#define UNUSED(x) (void)(x)
-
-#if (BRCM_A2DP_OFFLOAD != TRUE)
-#define BRCM_A2DP_OFFLOAD FALSE
-#endif
-
-/* A2DP offload parameters from vnd_<prod>.txt */
-
-#ifndef BRCM_A2DP_OFFLOAD_SRC
-#define BRCM_A2DP_OFFLOAD_SRC AUDIO_ROUTE_SRC_I2S
-#endif
-
-#ifndef BRCM_A2DP_OFFLOAD_SRC_SF
-#define BRCM_A2DP_OFFLOAD_SRC_SF AUDIO_ROUTE_SF_48K
-#endif
-
-#ifndef BRCM_A2DP_OFFLOAD_MAX_BITPOOL
-/* High quality setting @ 44.1 kHz */
-#define BRCM_A2DP_OFFLOAD_MAX_BITPOOL 53
-#endif
-
-#ifndef BRCM_A2DP_OFFLOAD_PCM_PIN_FCN
-#define BRCM_A2DP_OFFLOAD_PCM_PIN_FCN PCM_PIN_FCN_I2S_SLAVE
-#endif
-
-#ifndef BRCM_A2DP_OFFLOAD_PCM_PIN_PADCNF
-#if (BRCM_A2DP_OFFLOAD_PCM_PIN_FCN == PCM_PIN_FCN_I2S_MASTER)
-#define BRCM_A2DP_OFFLOAD_PCM_PIN_PADCNF PCM_PIN_PADCNF_I2S_MASTER
-#else
-#define BRCM_A2DP_OFFLOAD_PCM_PIN_PADCNF PCM_PIN_PADCNF_I2S_SLAVE
-#endif
-#endif
-
-#define MULTI_BIT_SET(x) !!(x & (x - 1))
-
-void brcm_vnd_a2dp_init();
-int brcm_vnd_a2dp_execute(bt_vendor_opcode_t, void *ev_data);
-
-#endif /*BT_VENDOR_BRCM_A2DP_H*/
diff --git a/src/bt_vendor_brcm.c b/src/bt_vendor_brcm.c
index 05a5bcb..a2d1641 100644
--- a/src/bt_vendor_brcm.c
+++ b/src/bt_vendor_brcm.c
@@ -58,6 +58,11 @@
void hw_epilog_process(void);
#endif
+#if (BRCM_A2DP_OFFLOAD == TRUE)
+void brcm_vnd_a2dp_init(bt_vendor_callbacks_t *callback);
+int brcm_vnd_a2dp_execute(bt_vendor_opcode_t, void *ev_data);
+#endif
+
/******************************************************************************
** Variables
******************************************************************************/
@@ -123,6 +128,10 @@
/* This is handed over from the stack */
memcpy(vnd_local_bd_addr, local_bdaddr, 6);
+#if (BRCM_A2DP_OFFLOAD == TRUE)
+ brcm_vnd_a2dp_init(bt_vendor_cbacks);
+#endif
+
return 0;
}
@@ -226,6 +235,12 @@
#endif
}
break;
+#if (BRCM_A2DP_OFFLOAD == TRUE)
+ case BT_VND_OP_A2DP_OFFLOAD_START:
+ case BT_VND_OP_A2DP_OFFLOAD_STOP:
+ retval = brcm_vnd_a2dp_execute(opcode, param);
+ break;
+#endif
}
return retval;
diff --git a/src/bt_vendor_brcm_a2dp.c b/src/bt_vendor_brcm_a2dp.c
deleted file mode 100644
index 6dc3732..0000000
--- a/src/bt_vendor_brcm_a2dp.c
+++ /dev/null
@@ -1,739 +0,0 @@
-/******************************************************************************
- *
- * Copyright (C) 2015 Motorola Corporation
- *
- * 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.
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * This is the stream state machine for the BRCM offloaded advanced audio.
- *
- ******************************************************************************/
-
-#define LOG_TAG "bt_vnd_a2dp"
-#define LOG_NDEBUG 0
-
-#include <string.h>
-#include <pthread.h>
-#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 "a2dp_constants.h"
-#include "a2dp_error_codes.h"
-#include "a2dp_sbc_constants.h"
-#include "bt_hci_bdroid.h"
-#include "bt_vendor_brcm_a2dp.h"
-
-#if (BTA2DP_DEBUG == TRUE)
-#define BTA2DPDBG(param, ...) {ALOGD(param, ## __VA_ARGS__);}
-#else
-#define BTA2DPDBG(param, ...) {}
-#endif
-
-/*****************************************************************************
-** Constants and types
-*****************************************************************************/
-
-typedef void (*hci_cback)(void *);
-
-typedef enum
-{
- BRCM_VND_A2DP_OFFLOAD_INIT_REQ,
- BRCM_VND_A2DP_OFFLOAD_START_REQ,
- BRCM_VND_A2DP_OFFLOAD_STOP_REQ,
- BRCM_VND_UIPC_OPEN_RSP,
- BRCM_VND_L2C_SYNC_TO_LITE_RSP,
- BRCM_VND_SYNC_TO_BTC_LITE_RSP,
- BRCM_VND_AUDIO_CODEC_CONFIG_RSP,
- BRCM_VND_AUDIO_ROUTE_CONFIG_RSP,
- BRCM_VND_UIPC_CLOSE_RSP,
- BRCM_VND_L2C_REMOVE_TO_LITE_RSP,
- BRCM_VND_A2DP_START_RSP,
- BRCM_VND_A2DP_SUSPEND_RSP,
- BRCM_VND_STREAM_STOP_RSP,
- BRCM_VND_A2DP_CLEANUP_RSP,
- BRCM_VND_A2DP_OFFLOAD_FAILED_ABORT,
-} tBRCM_VND_A2DP_EVENT;
-
-/* state machine states */
-typedef enum
-{
- BRCM_VND_A2DP_INVALID_SST = -1,
- BRCM_VND_A2DP_IDLE_SST,
- BRCM_VND_A2DP_STARTING_SST,
- BRCM_VND_A2DP_STREAM_SST,
-}
-tBRCM_VND_A2DP_SST_STATES;
-
-static uint8_t brcm_vnd_a2dp_offload_configure();
-static uint8_t brcm_vnd_a2dp_offload_cleanup();
-static uint8_t brcm_vnd_a2dp_offload_suspend();
-static tBRCM_VND_A2DP_SST_STATES brcm_vnd_a2dp_sm_idle_process_ev(tBRCM_VND_A2DP_EVENT event, void *ev_data);
-static tBRCM_VND_A2DP_SST_STATES brcm_vnd_a2dp_sm_starting_process_ev(tBRCM_VND_A2DP_EVENT event, void *ev_data);
-static tBRCM_VND_A2DP_SST_STATES brcm_vnd_a2dp_sm_stream_process_ev(tBRCM_VND_A2DP_EVENT event, void *ev_data);
-static void brcm_vnd_a2dp_hci_uipc_cback(void *pmem);
-
-typedef struct {
- uint8_t fcn;
- uint32_t pad_conf;
-}
-tBRCM_VND_PCM_CONF;
-
-typedef struct {
- tBRCM_VND_A2DP_SST_STATES state;
- tCODEC_INFO_SBC codec_info;
- tBRCM_VND_PCM_CONF pcmi2s_pinmux;
- bt_vendor_op_a2dp_offload_t offload_params;
-}
-tBRCM_VND_A2DP_PDATA;
-
-typedef struct {
- tBRCM_VND_A2DP_SST_STATES (*enter)(tBRCM_VND_A2DP_EVENT event);
- tBRCM_VND_A2DP_SST_STATES (*process_event)(tBRCM_VND_A2DP_EVENT event, void *ev_data);
-}
-tBRCM_VND_A2DP_SST_STATE;
-
-/* state table */
-static tBRCM_VND_A2DP_SST_STATE brcm_vnd_a2dp_sst_tbl[] =
-{
- {NULL, brcm_vnd_a2dp_sm_idle_process_ev},
- {NULL, brcm_vnd_a2dp_sm_starting_process_ev},
- {NULL, brcm_vnd_a2dp_sm_stream_process_ev},
-};
-
-static pthread_mutex_t g_mutex = PTHREAD_MUTEX_INITIALIZER;
-static tBRCM_VND_A2DP_PDATA brcm_vnd_a2dp_pdata = { .state = BRCM_VND_A2DP_INVALID_SST };
-
-
-/*******************************************************************************
-** Local Utility Functions
-*******************************************************************************/
-
-static void log_bin_to_hexstr(uint8_t *bin, uint8_t binsz, const char *log_tag)
-{
-#if (BTA2DP_DEBUG == TRUE)
- char *str, hex_str[]= "0123456789abcdef";
- uint8_t i;
-
- str = (char *)malloc(binsz * 3);
- if (!binsz) {
- ALOGE("%s alloc failed", __FUNCTION__);
- return;
- }
-
- for (i = 0; i < binsz; i++) {
- str[(i * 3) + 0] = hex_str[(bin[i] >> 4) & 0x0F];
- str[(i * 3) + 1] = hex_str[(bin[i] ) & 0x0F];
- str[(i * 3) + 2] = ' ';
- }
- str[(binsz * 3) - 1] = 0x00;
- BTA2DPDBG("%s %s", log_tag, str);
-#endif
-}
-
-static uint8_t brcm_vnd_a2dp_send_hci_vsc(uint16_t cmd, uint8_t *payload, uint8_t len, hci_cback cback)
-{
- HC_BT_HDR *p_buf;
- uint8_t *p, status;
- uint16_t opcode;
-
- // Perform Opening configure cmds. //
- if (bt_vendor_cbacks) {
- p_buf = (HC_BT_HDR *)bt_vendor_cbacks->alloc(
- BT_HC_HDR_SIZE + HCI_CMD_PREAMBLE_SIZE + len);
- 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 + len;
- p = (uint8_t *)(p_buf + 1);
-
- UINT16_TO_STREAM(p, cmd);
- *p++ = len;
- memcpy(p, payload, len);
-
- //BTA2DPDBG("%s Cmd %04x UIPC Event %02x%02x UIPC Op %02x Len %d", __FUNCTION__, cmd, event, payload[1], payload[0], payload[2], len);
- log_bin_to_hexstr((uint8_t *)(p_buf + 1), HCI_CMD_PREAMBLE_SIZE + len, __FUNCTION__);
-
- if (bt_vendor_cbacks->xmit_cb(cmd, p_buf, cback))
- {
- return BT_VND_OP_RESULT_SUCCESS;
- }
- bt_vendor_cbacks->dealloc(p_buf);
- }
- }
- return BT_VND_OP_RESULT_FAIL;
-}
-
-static void brcm_vnd_map_a2dp_uipc_codec_info(tCODEC_INFO_SBC *codec_info)
-{
- switch(codec_info->sampling_freq) {
- case A2DP_SBC_IE_SAMP_FREQ_16:
- codec_info->sampling_freq = CODEC_INFO_SBC_SF_16K; break;
- case A2DP_SBC_IE_SAMP_FREQ_32:
- codec_info->sampling_freq = CODEC_INFO_SBC_SF_32K; break;
- case A2DP_SBC_IE_SAMP_FREQ_44:
- codec_info->sampling_freq = CODEC_INFO_SBC_SF_44K; break;
- case A2DP_SBC_IE_SAMP_FREQ_48:
- codec_info->sampling_freq = CODEC_INFO_SBC_SF_48K; break;
-
- }
- switch(codec_info->channel_mode) {
- case A2DP_SBC_IE_CH_MD_MONO:
- codec_info->channel_mode = CODEC_INFO_SBC_CH_MONO; break;
- case A2DP_SBC_IE_CH_MD_DUAL:
- codec_info->channel_mode = CODEC_INFO_SBC_CH_DUAL; break;
- case A2DP_SBC_IE_CH_MD_STEREO:
- codec_info->channel_mode = CODEC_INFO_SBC_CH_STEREO; break;
- case A2DP_SBC_IE_CH_MD_JOINT:
- codec_info->channel_mode = CODEC_INFO_SBC_CH_JS; break;
- }
- switch(codec_info->block_length) {
- case A2DP_SBC_IE_BLOCKS_4:
- codec_info->block_length = CODEC_INFO_SBC_BLOCK_4; break;
- case A2DP_SBC_IE_BLOCKS_8:
- codec_info->block_length = CODEC_INFO_SBC_BLOCK_8; break;
- case A2DP_SBC_IE_BLOCKS_12:
- codec_info->block_length = CODEC_INFO_SBC_BLOCK_12; break;
- case A2DP_SBC_IE_BLOCKS_16:
- codec_info->block_length = CODEC_INFO_SBC_BLOCK_16; break;
- }
- switch(codec_info->alloc_method) {
- case A2DP_SBC_IE_ALLOC_MD_S:
- codec_info->alloc_method = CODEC_INFO_SBC_ALLOC_SNR; break;
- case A2DP_SBC_IE_ALLOC_MD_L:
- codec_info->alloc_method = CODEC_INFO_SBC_ALLOC_LOUDNESS; break;
- }
- switch(codec_info->num_subbands) {
- case A2DP_SBC_IE_SUBBAND_4:
- codec_info->num_subbands = CODEC_INFO_SBC_SUBBAND_4; break;
- case A2DP_SBC_IE_SUBBAND_8:
- codec_info->num_subbands = CODEC_INFO_SBC_SUBBAND_8; break;
- }
-}
-
-static tA2DP_STATUS bcrm_vnd_a2dp_parse_codec_info(tCODEC_INFO_SBC *parsed_info, uint8_t *codec_info)
-{
- tA2DP_STATUS status = A2DP_SUCCESS;
- uint8_t losc;
- uint8_t mt;
-
- BTA2DPDBG("%s", __FUNCTION__);
-
- if( parsed_info == NULL || codec_info == NULL)
- status = A2DP_FAIL;
- else
- {
- losc = *codec_info++;
- mt = *codec_info++;
- /* If the function is called for the wrong Media Type or Media Codec Type */
- if(losc != A2DP_SBC_INFO_LEN || *codec_info != A2DP_MEDIA_CT_SBC)
- status = A2DP_WRONG_CODEC;
- else
- {
- codec_info++;
- parsed_info->sampling_freq = *codec_info & A2DP_SBC_IE_SAMP_FREQ_MSK;
- parsed_info->channel_mode = *codec_info & A2DP_SBC_IE_CH_MD_MSK;
- codec_info++;
- parsed_info->block_length = *codec_info & A2DP_SBC_IE_BLOCKS_MSK;
- parsed_info->num_subbands = *codec_info & A2DP_SBC_IE_SUBBAND_MSK;
- parsed_info->alloc_method = *codec_info & A2DP_SBC_IE_ALLOC_MD_MSK;
- codec_info += 2; /* MAX Bitpool */
- parsed_info->bitpool_size = (*codec_info > BRCM_A2DP_OFFLOAD_MAX_BITPOOL) ?
- BRCM_A2DP_OFFLOAD_MAX_BITPOOL : (*codec_info);
-
- if(MULTI_BIT_SET(parsed_info->sampling_freq))
- status = A2DP_BAD_SAMP_FREQ;
- if(MULTI_BIT_SET(parsed_info->channel_mode))
- status = A2DP_BAD_CH_MODE;
- if(MULTI_BIT_SET(parsed_info->block_length))
- status = A2DP_BAD_BLOCK_LEN;
- if(MULTI_BIT_SET(parsed_info->num_subbands))
- status = A2DP_BAD_SUBBANDS;
- if(MULTI_BIT_SET(parsed_info->alloc_method))
- status = A2DP_BAD_ALLOC_METHOD;
- if(parsed_info->bitpool_size < A2DP_SBC_IE_MIN_BITPOOL || parsed_info->bitpool_size > A2DP_SBC_IE_MAX_BITPOOL )
- status = A2DP_BAD_MIN_BITPOOL;
-
- if(status == A2DP_SUCCESS)
- brcm_vnd_map_a2dp_uipc_codec_info(parsed_info);
-
- BTA2DPDBG("%s STATUS %d parsed info : SampF %02x, ChnMode %02x, BlockL %02x, NSubB %02x, alloc %02x, bitpool %02x",
- __FUNCTION__, status, parsed_info->sampling_freq, parsed_info->channel_mode, parsed_info->block_length,
- parsed_info->num_subbands, parsed_info->alloc_method, parsed_info->bitpool_size);
-
- }
- }
- return status;
-}
-
-/*******************************************************************************
-** State Machine Functions
-*******************************************************************************/
-
-/*******************************************************************************
-**
-** Function brcm_vnd_a2dp_ssm_execute
-**
-** Description Stream state machine event handling function for AV
-**
-**
-** Returns void
-**
-*******************************************************************************/
-int brcm_vnd_a2dp_ssm_execute(tBRCM_VND_A2DP_EVENT event, void *ev_data)
-{
- tBRCM_VND_A2DP_SST_STATE *state_table;
- tBRCM_VND_A2DP_SST_STATES next_state;
-
- pthread_mutex_lock(&g_mutex);
-
- BTA2DPDBG("%s ev %d state %d", __FUNCTION__, event, brcm_vnd_a2dp_pdata.state);
-
- if (brcm_vnd_a2dp_pdata.state != BRCM_VND_A2DP_INVALID_SST) {
- state_table = &brcm_vnd_a2dp_sst_tbl[brcm_vnd_a2dp_pdata.state];
- /* process event */
- next_state = state_table->process_event(event, ev_data);
- } else if (BRCM_VND_A2DP_OFFLOAD_INIT_REQ == event) {
- next_state = BRCM_VND_A2DP_IDLE_SST;
- }
- else {
- pthread_mutex_unlock(&g_mutex);
- return BT_VND_OP_RESULT_FAIL;
- }
-
- /* transition stae */
- while (next_state != brcm_vnd_a2dp_pdata.state) {
- brcm_vnd_a2dp_pdata.state = next_state;
- state_table = &brcm_vnd_a2dp_sst_tbl[next_state];
- if (state_table->enter)
- next_state = state_table->enter(event);
- }
-
- pthread_mutex_unlock(&g_mutex);
- return BT_VND_OP_RESULT_SUCCESS;
-}
-
-/* state machine actions */
-
-static tBRCM_VND_A2DP_SST_STATES brcm_vnd_a2dp_sm_idle_process_ev(tBRCM_VND_A2DP_EVENT event, void *ev_data)
-{
- tBRCM_VND_A2DP_SST_STATES next_state = brcm_vnd_a2dp_pdata.state;
-
- switch (event) {
- case BRCM_VND_A2DP_OFFLOAD_START_REQ:
- brcm_vnd_a2dp_pdata.offload_params = *(bt_vendor_op_a2dp_offload_t*)ev_data;
- if (A2DP_SUCCESS != bcrm_vnd_a2dp_parse_codec_info( &brcm_vnd_a2dp_pdata.codec_info,
- (uint8_t *)brcm_vnd_a2dp_pdata.offload_params.codec_info)) {
- ALOGE("%s CodecConfig BT_VND_OP_A2DP_OFFLOAD_START FAILED", __FUNCTION__);
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- } else {
- brcm_vnd_a2dp_offload_configure();
- next_state = BRCM_VND_A2DP_STARTING_SST;
- }
- break;
-
- default:
- ALOGV("%s Unexpected Event %d in State %d, IGNORE", __FUNCTION__, event, brcm_vnd_a2dp_pdata.state);
- break;
- }
- return next_state;
-}
-
-static tBRCM_VND_A2DP_SST_STATES brcm_vnd_a2dp_sm_starting_process_ev(tBRCM_VND_A2DP_EVENT event, void *ev_data)
-{
- tBRCM_VND_A2DP_SST_STATES next_state = brcm_vnd_a2dp_pdata.state;
- uint8_t status, *p;
-
- switch (event) {
- case BRCM_VND_A2DP_OFFLOAD_START_REQ:
- brcm_vnd_a2dp_offload_cleanup();
- brcm_vnd_a2dp_pdata.offload_params = *(bt_vendor_op_a2dp_offload_t*)ev_data;
- if (A2DP_SUCCESS != bcrm_vnd_a2dp_parse_codec_info(
- &brcm_vnd_a2dp_pdata.codec_info, (uint8_t *)brcm_vnd_a2dp_pdata.offload_params.codec_info)) {
- ALOGE("%s CodecConfig BT_VND_OP_A2DP_OFFLOAD_START FAILED", __FUNCTION__);
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_IDLE_SST;
- } else {
- brcm_vnd_a2dp_offload_configure();
- }
- break;
-
- case BRCM_VND_A2DP_OFFLOAD_STOP_REQ:
- brcm_vnd_a2dp_offload_cleanup();
- next_state = BRCM_VND_A2DP_IDLE_SST;
- break;
-
- case BRCM_VND_UIPC_OPEN_RSP: {
- uint8_t num_streams;
- uint16_t maj_ver, min_ver;
- p = (uint8_t*)ev_data + offsetof(tUIPC_OPEN_RSP, status);
- STREAM_TO_UINT8(status,p);
- STREAM_TO_UINT16(maj_ver,p);
- STREAM_TO_UINT16(min_ver,p);
- STREAM_TO_UINT8(num_streams,p);
- // TODO Verify Params //
- if (status) {
- ALOGE("%s BRCM_VND_UIPC_OPEN_RSP %02x FAILED", __FUNCTION__, status);
- brcm_vnd_a2dp_offload_cleanup();
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_IDLE_SST;
- }
- }
- break;
-
- case BRCM_VND_L2C_SYNC_TO_LITE_RSP:
- status = *((uint8_t*)ev_data + offsetof(tL2C_SYNC_TO_LITE_RESP, stream.status));
- if (status) {
- ALOGE("%s L2C_SYNC_TO_LITE_RESP %02x FAILED", __FUNCTION__, status);
- brcm_vnd_a2dp_offload_cleanup();
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_IDLE_SST;
- }
- break;
-
- case BRCM_VND_SYNC_TO_BTC_LITE_RSP:
- status = *((uint8_t*)ev_data + offsetof(tAVDT_SYNC_TO_BTC_LITE_RESP, status));
- if (status) {
- ALOGE("%s AVDT_SYNC_TO_BTC_LITE_RESP %02x FAILED", __FUNCTION__, status);
- brcm_vnd_a2dp_offload_cleanup();
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_IDLE_SST;
- }
- break;
-
- case BRCM_VND_AUDIO_ROUTE_CONFIG_RSP:
- status = *((uint8_t*)ev_data + offsetof(tAUDIO_ROUTE_CONFIG_RESP, status));
- if (status) {
- ALOGE("%s AUDIO_ROUTE_CONFIG_RESP %02x FAILED", __FUNCTION__, status);
- brcm_vnd_a2dp_offload_cleanup();
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_IDLE_SST;
- }
- break;
-
- case BRCM_VND_AUDIO_CODEC_CONFIG_RSP:
- status = *((uint8_t*)ev_data + offsetof(tAUDIO_CODEC_CONFIG_RESP, status));
- if (status) {
- ALOGE("%s BRCM_VND_AUDIO_CODEC_CONFIG_RSP %02x FAILED", __FUNCTION__, status);
- brcm_vnd_a2dp_offload_cleanup();
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_IDLE_SST;
- }
- break;
-
- case BRCM_VND_A2DP_START_RSP:
- /* status = *((uint8_t*)ev_data + offsetof(tA2DP_GENERIC_RESP, status)); */
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_SUCCESS, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_STREAM_SST;
- break;
-
- case BRCM_VND_A2DP_OFFLOAD_FAILED_ABORT:
- ALOGE("%s BRCM_VND_A2DP_OFFLOAD_FAILED_ABORT", __FUNCTION__);
- brcm_vnd_a2dp_offload_cleanup();
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_IDLE_SST;
- break;
-
- default:
- ALOGE("%s Unexpected Event %d in State %d, IGNORE", __FUNCTION__, event, brcm_vnd_a2dp_pdata.state);
- break;
- }
- return next_state;
-}
-
-static tBRCM_VND_A2DP_SST_STATES brcm_vnd_a2dp_sm_stream_process_ev(tBRCM_VND_A2DP_EVENT event, void *ev_data)
-{
- tBRCM_VND_A2DP_SST_STATES next_state = brcm_vnd_a2dp_pdata.state;
- switch (event) {
- case BRCM_VND_A2DP_OFFLOAD_START_REQ:
- brcm_vnd_a2dp_offload_cleanup();
- brcm_vnd_a2dp_pdata.offload_params = *(bt_vendor_op_a2dp_offload_t*)ev_data;
- if (A2DP_SUCCESS != bcrm_vnd_a2dp_parse_codec_info(
- &brcm_vnd_a2dp_pdata.codec_info, (uint8_t *)brcm_vnd_a2dp_pdata.offload_params.codec_info)) {
- ALOGE("%s CodecConfig BT_VND_OP_A2DP_OFFLOAD_START FAILED", __FUNCTION__);
- bt_vendor_cbacks->a2dp_offload_cb(BT_VND_OP_RESULT_FAIL, BT_VND_OP_A2DP_OFFLOAD_START,
- brcm_vnd_a2dp_pdata.offload_params.bta_av_handle);
- next_state = BRCM_VND_A2DP_IDLE_SST;
- } else {
- brcm_vnd_a2dp_offload_configure();
- next_state = BRCM_VND_A2DP_STARTING_SST;
- }
- break;
-
- case BRCM_VND_A2DP_OFFLOAD_STOP_REQ:
- case BRCM_VND_A2DP_OFFLOAD_FAILED_ABORT:
- ALOGE("%s BRCM_VND_A2DP_OFFLOAD_STOP ABORT %d.", __FUNCTION__,
- (event == BRCM_VND_A2DP_OFFLOAD_FAILED_ABORT));
- brcm_vnd_a2dp_offload_cleanup();
- next_state = BRCM_VND_A2DP_IDLE_SST;
- break;
-
- default:
- ALOGE("%s Unexpected Event %d in State %d, IGNORE", __FUNCTION__, event, brcm_vnd_a2dp_pdata.state);
- break;
- }
- return next_state;
-}
-
-static uint8_t brcm_vnd_a2dp_offload_configure()
-{
- uint8_t *p, msg_req[HCI_CMD_MAX_LEN];
-
- BTA2DPDBG("%s", __FUNCTION__);
-
- p = msg_req;
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_READ_PCM_PINS, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT8_TO_STREAM(p, BRCM_A2DP_OFFLOAD_PCM_PIN_FCN);
- UINT32_TO_STREAM(p, BRCM_A2DP_OFFLOAD_PCM_PIN_PADCNF);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_WRITE_PCM_PINS, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_MGMT_EVT);
- UINT8_TO_STREAM(p, UIPC_OPEN_REQ);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_L2C_EVT);
- UINT8_TO_STREAM(p, L2C_SYNC_TO_LITE_REQ);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.xmit_quota);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.acl_data_size);
- UINT16_TO_STREAM(p, !(brcm_vnd_a2dp_pdata.offload_params.is_flushable));
- UINT8_TO_STREAM(p, 0x02); //multi_av_data_cong_start
- UINT8_TO_STREAM(p, 0x00); //multi_av_data_cong_end
- UINT8_TO_STREAM(p, 0x04); //multi_av_data_cong_discard
- UINT8_TO_STREAM(p, 1); //num_stream
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.local_cid);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.remote_cid);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.stream_mtu);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.lm_handle);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.xmit_quota);
- UINT8_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.is_flushable);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_AVDT_EVT);
- UINT8_TO_STREAM(p, AVDT_SYNC_TO_BTC_LITE_REQ);
- UINT8_TO_STREAM(p, 1); //num_stream
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.local_cid);
- UINT32_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.stream_source);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_BTM_EVT);
- UINT8_TO_STREAM(p, AUDIO_ROUTE_CONFIG_REQ);
- UINT8_TO_STREAM(p, BRCM_A2DP_OFFLOAD_SRC);
- UINT8_TO_STREAM(p, BRCM_A2DP_OFFLOAD_SRC_SF);
- UINT8_TO_STREAM(p, AUDIO_ROUTE_OUT_BTA2DP);
- UINT8_TO_STREAM(p, BRCM_A2DP_OFFLOAD_SRC_SF);
- UINT8_TO_STREAM(p, AUDIO_ROUTE_SF_NA);
- UINT8_TO_STREAM(p, AUDIO_ROUTE_EQ_BYPASS);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_BTM_EVT);
- UINT8_TO_STREAM(p, AUDIO_CODEC_CONFIG_REQ);
- UINT16_TO_STREAM(p, AUDIO_CODEC_SBC_ENC);
- UINT8_TO_STREAM(p, brcm_vnd_a2dp_pdata.codec_info.sampling_freq);
- UINT8_TO_STREAM(p, brcm_vnd_a2dp_pdata.codec_info.channel_mode);
- UINT8_TO_STREAM(p, brcm_vnd_a2dp_pdata.codec_info.block_length);
- UINT8_TO_STREAM(p, brcm_vnd_a2dp_pdata.codec_info.num_subbands);
- UINT8_TO_STREAM(p, brcm_vnd_a2dp_pdata.codec_info.alloc_method);
- UINT8_TO_STREAM(p, brcm_vnd_a2dp_pdata.codec_info.bitpool_size);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_BTM_EVT);
- UINT8_TO_STREAM(p, A2DP_START_REQ);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.local_cid);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.stream_mtu);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- return 0;
-}
-
-static uint8_t brcm_vnd_a2dp_offload_cleanup()
-{
- uint8_t *p, msg_req[HCI_CMD_MAX_LEN];
-
- BTA2DPDBG("%s", __FUNCTION__);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_BTM_EVT);
- UINT8_TO_STREAM(p, A2DP_CLEANUP_REQ);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.local_cid);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.stream_mtu);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_L2C_EVT);
- UINT8_TO_STREAM(p, L2C_REMOVE_TO_LITE_REQ);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.xmit_quota);
- UINT8_TO_STREAM(p, 1); //num_stream
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.local_cid);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_MGMT_EVT);
- UINT8_TO_STREAM(p, UIPC_CLOSE_REQ);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- if (PCM_PIN_FCN_INVALID != brcm_vnd_a2dp_pdata.pcmi2s_pinmux.fcn) {
- p = msg_req;
- UINT8_TO_STREAM(p, brcm_vnd_a2dp_pdata.pcmi2s_pinmux.fcn);
- UINT32_TO_STREAM(p, brcm_vnd_a2dp_pdata.pcmi2s_pinmux.pad_conf);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_WRITE_PCM_PINS, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
- brcm_vnd_a2dp_pdata.pcmi2s_pinmux.fcn = PCM_PIN_FCN_INVALID;
- }
-
- return 0;
-}
-
-static uint8_t brcm_vnd_a2dp_offload_suspend()
-{
- uint8_t *p, msg_req[HCI_CMD_MAX_LEN];
-
- BTA2DPDBG("%s", __FUNCTION__);
-
- p = msg_req;
- UINT16_TO_STREAM(p, BT_EVT_BTU_IPC_BTM_EVT);
- UINT8_TO_STREAM(p, A2DP_SUSPEND_REQ);
- UINT16_TO_STREAM(p, brcm_vnd_a2dp_pdata.offload_params.local_cid);
- brcm_vnd_a2dp_send_hci_vsc(HCI_VSC_UIPC_OVER_HCI, msg_req, (uint8_t)(p - msg_req), brcm_vnd_a2dp_hci_uipc_cback);
-
- return 0;
-}
-
-void brcm_vnd_a2dp_hci_uipc_cback(void *pmem)
-{
- HC_BT_HDR *p_evt_buf = (HC_BT_HDR *)pmem;
- uint8_t *p, len, vsc_result, uipc_opcode;
- uint16_t vsc_opcode, uipc_event;
- HC_BT_HDR *p_buf = NULL;
- bt_vendor_op_result_t status = BT_VND_OP_RESULT_SUCCESS;
- tBRCM_VND_A2DP_EVENT ssm_event;
-
- p = (uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_LEN;
- len = *p;
- p = (uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_VSC;
- STREAM_TO_UINT16(vsc_opcode,p);
- vsc_result = *p++;
-
- log_bin_to_hexstr(((uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_VSC), len-1, __FUNCTION__);
-
- if (vsc_result != 0) {
- ALOGE("%s Failed VSC Op %04x", __FUNCTION__, vsc_opcode);
- status = BT_VND_OP_RESULT_FAIL;
- }
- else if (vsc_opcode == HCI_VSC_UIPC_OVER_HCI) {
- STREAM_TO_UINT16(uipc_event,p);
- uipc_opcode = *p;
- BTA2DPDBG("%s UIPC Event %04x UIPC Op %02x", __FUNCTION__, uipc_event, uipc_opcode);
-
- switch (uipc_event) {
- case BT_EVT_BTU_IPC_MGMT_EVT :
- switch (uipc_opcode) {
- case UIPC_OPEN_RSP : ssm_event = BRCM_VND_UIPC_OPEN_RSP; break;
- case UIPC_CLOSE_RSP : ssm_event = BRCM_VND_UIPC_CLOSE_RSP; break;
- default: status = BT_VND_OP_RESULT_FAIL;
- }
- break;
-
- case BT_EVT_BTU_IPC_BTM_EVT :
- switch (uipc_opcode) {
- case A2DP_START_RESP: ssm_event = BRCM_VND_A2DP_START_RSP; break;
- case A2DP_SUSPEND_RESP: ssm_event = BRCM_VND_A2DP_SUSPEND_RSP; break;
- case A2DP_CLEANUP_RESP: ssm_event = BRCM_VND_A2DP_CLEANUP_RSP; break;
- case AUDIO_CODEC_CONFIG_RESP: ssm_event = BRCM_VND_AUDIO_CODEC_CONFIG_RSP; break;
- case AUDIO_ROUTE_CONFIG_RESP: ssm_event = BRCM_VND_AUDIO_ROUTE_CONFIG_RSP; break;
- default: status = BT_VND_OP_RESULT_FAIL;
- }
- break;
-
- case BT_EVT_BTU_IPC_L2C_EVT :
- switch (uipc_opcode) {
- case L2C_REMOVE_TO_LITE_RESP: ssm_event = BRCM_VND_L2C_REMOVE_TO_LITE_RSP; break;
- case L2C_SYNC_TO_LITE_RESP: ssm_event = BRCM_VND_L2C_SYNC_TO_LITE_RSP; break;
- default: status = BT_VND_OP_RESULT_FAIL;
- }
- break;
-
- case BT_EVT_BTU_IPC_AVDT_EVT :
- if (uipc_opcode == AVDT_SYNC_TO_BTC_LITE_RESP) {
- ssm_event = BRCM_VND_SYNC_TO_BTC_LITE_RSP;
- break;
- }
-
- default:
- status = BT_VND_OP_RESULT_FAIL;
- break;
- }
- if (status == BT_VND_OP_RESULT_SUCCESS)
- brcm_vnd_a2dp_ssm_execute(ssm_event, p);
- }
- else if (vsc_opcode == HCI_VSC_READ_PCM_PINS) {
- STREAM_TO_UINT8(brcm_vnd_a2dp_pdata.pcmi2s_pinmux.fcn, p);
- STREAM_TO_UINT32(brcm_vnd_a2dp_pdata.pcmi2s_pinmux.pad_conf, p);
- BTA2DPDBG("%s HCI_VSC_READ_PCM_PINS %02x %08x", __FUNCTION__,
- brcm_vnd_a2dp_pdata.pcmi2s_pinmux.fcn, brcm_vnd_a2dp_pdata.pcmi2s_pinmux.pad_conf);
- }
-
- if (status != BT_VND_OP_RESULT_SUCCESS)
- brcm_vnd_a2dp_ssm_execute(BRCM_VND_A2DP_OFFLOAD_FAILED_ABORT, NULL);
-
- /* Free the RX event buffer */
- bt_vendor_cbacks->dealloc(p_evt_buf);
-}
-
-void brcm_vnd_a2dp_init()
-{
- if (!bt_vendor_cbacks)
- return;
-
- ALOGD("%s ", __FUNCTION__);
- brcm_vnd_a2dp_ssm_execute(BRCM_VND_A2DP_OFFLOAD_INIT_REQ, NULL);
-}
-
-int brcm_vnd_a2dp_execute(bt_vendor_opcode_t opcode, void *ev_data)
-{
- tBRCM_VND_A2DP_EVENT ssm_event = (opcode == BT_VND_OP_A2DP_OFFLOAD_START)?
- BRCM_VND_A2DP_OFFLOAD_START_REQ:BRCM_VND_A2DP_OFFLOAD_STOP_REQ;
-
- ALOGD("%s opcode %d , state %d", __FUNCTION__, opcode, brcm_vnd_a2dp_pdata.state);
-
- return brcm_vnd_a2dp_ssm_execute(ssm_event, ev_data);
-}
-
-
diff --git a/vnd_buildcfg.mk b/vnd_buildcfg.mk
index eaa4fd3..810b2ad 100644
--- a/vnd_buildcfg.mk
+++ b/vnd_buildcfg.mk
@@ -11,7 +11,7 @@
SRC := $(call my-dir)/include/vnd_generic.txt
endif
GEN := $(generated_sources)/vnd_buildcfg.h
-TOOL := $(LOCAL_PATH)/gen-buildcfg.sh
+TOOL := $(call my-dir)/gen-buildcfg.sh
$(GEN): PRIVATE_PATH := $(call my-dir)
$(GEN): PRIVATE_CUSTOM_TOOL = $(TOOL) $< $@
