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path: root/src/bt_vendor_brcm.c (plain)
blob: 31c8927efee3e491c37bfc22ae2c4e639f217569
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
49void hw_config_start(void);
50uint8_t hw_lpm_enable(uint8_t turn_on);
51uint32_t hw_lpm_get_idle_timeout(void);
52void hw_lpm_set_wake_state(uint8_t wake_assert);
53#if (SCO_CFG_INCLUDED == TRUE)
54void hw_sco_config(void);
55#endif
56void vnd_load_conf(const char *p_path);
57#if (HW_END_WITH_HCI_RESET == TRUE)
58void hw_epilog_process(void);
59#endif
60
61/******************************************************************************
62** Variables
63******************************************************************************/
64
65bt_vendor_callbacks_t *bt_vendor_cbacks = NULL;
66uint8_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
76static 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
92static 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 */
131static 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 usleep(100000);
197 uint8_t *mode = (uint8_t *) param;
198 retval = hw_lpm_enable(*mode);
199 }
200 break;
201
202 case BT_VND_OP_LPM_WAKE_SET_STATE:
203 {
204 uint8_t *state = (uint8_t *) param;
205 uint8_t wake_assert = (*state == BT_VND_LPM_WAKE_ASSERT) ? \
206 TRUE : FALSE;
207
208 hw_lpm_set_wake_state(wake_assert);
209 }
210 break;
211
212 case BT_VND_OP_SET_AUDIO_STATE:
213 {
214 retval = hw_set_audio_state((bt_vendor_op_audio_state_t *)param);
215 }
216 break;
217
218 case BT_VND_OP_EPILOG:
219 {
220#if (HW_END_WITH_HCI_RESET == FALSE)
221 if (bt_vendor_cbacks)
222 {
223 bt_vendor_cbacks->epilog_cb(BT_VND_OP_RESULT_SUCCESS);
224 }
225#else
226 hw_epilog_process();
227#endif
228 }
229 break;
230 }
231
232 return retval;
233}
234
235/** Closes the interface */
236static void cleanup( void )
237{
238 BTVNDDBG("cleanup");
239
240 upio_cleanup();
241
242 bt_vendor_cbacks = NULL;
243}
244
245// Entry point of DLib
246const bt_vendor_interface_t BLUETOOTH_VENDOR_LIB_INTERFACE = {
247 sizeof(bt_vendor_interface_t),
248 init,
249 op,
250 cleanup
251};
252
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