1/******************************************************************************
2 *
3 *  Copyright (C) 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 *  HAL Adaptation Interface (HAI). This interface regulates the interaction
22 *  between standard Android HAL and Broadcom-specific HAL.  It adapts
23 *  Broadcom-specific features to the Android framework.
24 *
25 ******************************************************************************/
26#define LOG_TAG "NfcNciHal"
27#include "OverrideLog.h"
28#include "HalAdaptation.h"
29#include "SyncEvent.h"
30#include "config.h"
31#include "nfc_hal_int.h"
32#include "nfc_hal_post_reset.h"
33#include <errno.h>
34#include <pthread.h>
35#include <cutils/properties.h>
36#include "buildcfg.h"
37#include "android_logmsg.h"
38extern void delete_hal_non_volatile_store (bool forceDelete);
39extern void verify_hal_non_volatile_store ();
40extern void resetConfig ();
41extern "C"
42{
43#include "userial.h"
44}
45
46extern void configureCrystalFrequency ();
47
48///////////////////////////////////////
49// private declaration, definition
50
51
52static nfc_stack_callback_t* gAndroidHalCallback = NULL;
53static nfc_stack_data_callback_t* gAndroidHalDataCallback = NULL;
54static SyncEvent gOpenCompletedEvent;
55static SyncEvent gPostInitCompletedEvent;
56static SyncEvent gCloseCompletedEvent;
57
58UINT32 ScrProtocolTraceFlag = SCR_PROTO_TRACE_ALL; //0x017F00;
59
60static void BroadcomHalCallback (UINT8 event, tHAL_NFC_STATUS status);
61static void BroadcomHalDataCallback (UINT16 data_len, UINT8* p_data);
62
63static bool isColdBoot = true;
64
65extern tNFC_HAL_CFG *p_nfc_hal_cfg;
66extern const UINT8  nfca_version_string [];
67extern const UINT8  nfa_version_string [];
68
69tNFC_HAL_DM_PRE_SET_MEM nfc_hal_pre_set_mem_20795a1 [] =
70{
71    {0x0016403c,    0x00000008},
72    {0x0016403c,    0x00000000},
73    {0x0014008c,    0x00000001},
74    {0,         0}
75};
76
77extern tNFC_HAL_DM_PRE_SET_MEM *p_nfc_hal_dm_pre_set_mem;
78
79///////////////////////////////////////
80
81
82int HaiInitializeLibrary (const bcm2079x_dev_t* device)
83{
84    ALOGD ("%s: enter", __FUNCTION__);
85    ALOGE ("%s: ver=%s nfa=%s", __FUNCTION__, nfca_version_string, nfa_version_string);
86    int retval = EACCES;
87    unsigned long freq = 0;
88    unsigned long num = 0;
89    char temp[120];
90    int8_t prop_value;
91    UINT8 logLevel = 0;
92
93    logLevel = InitializeGlobalAppLogLevel ();
94
95    if ( GetNumValue ( NAME_GLOBAL_RESET, &num, sizeof ( num ) ) )
96    {
97        if (num == 1)
98        {
99            // Send commands to disable boc
100            p_nfc_hal_dm_pre_set_mem = nfc_hal_pre_set_mem_20795a1;
101        }
102    }
103
104    configureCrystalFrequency ();
105    verify_hal_non_volatile_store ();
106    if ( GetNumValue ( NAME_PRESERVE_STORAGE, (char*)&num, sizeof ( num ) ) &&
107            (num == 1) )
108        ALOGD ("%s: preserve HAL NV store", __FUNCTION__);
109    else
110    {
111        delete_hal_non_volatile_store (false);
112    }
113
114    if ( GetNumValue ( NAME_USE_RAW_NCI_TRACE, &num, sizeof ( num ) ) )
115    {
116        if (num == 1)
117        {
118            // display protocol traces in raw format
119            ProtoDispAdapterUseRawOutput (TRUE);
120        }
121    }
122
123    // Initialize protocol logging level
124    InitializeProtocolLogLevel ();
125
126    tUSERIAL_OPEN_CFG cfg;
127    struct tUART_CONFIG  uart;
128
129    if ( GetStrValue ( NAME_UART_PARITY, temp, sizeof ( temp ) ) )
130    {
131        if ( strcmp ( temp, "even" ) == 0 )
132            uart.m_iParity = USERIAL_PARITY_EVEN;
133        else if ( strcmp ( temp, "odd" ) == 0 )
134            uart.m_iParity = USERIAL_PARITY_ODD;
135        else if ( strcmp ( temp, "none" ) == 0 )
136            uart.m_iParity = USERIAL_PARITY_NONE;
137    }
138    else
139        uart.m_iParity = USERIAL_PARITY_NONE;
140
141    if ( GetStrValue ( NAME_UART_STOPBITS, temp, sizeof ( temp ) ) )
142    {
143        if ( strcmp ( temp, "1" ) == 0 )
144            uart.m_iStopbits = USERIAL_STOPBITS_1;
145        else if ( strcmp ( temp, "2" ) == 0 )
146            uart.m_iStopbits = USERIAL_STOPBITS_2;
147        else if ( strcmp ( temp, "1.5" ) == 0 )
148            uart.m_iStopbits = USERIAL_STOPBITS_1_5;
149    }
150    else if ( GetNumValue ( NAME_UART_STOPBITS, &num, sizeof ( num ) ) )
151    {
152        if ( num == 1 )
153            uart.m_iStopbits = USERIAL_STOPBITS_1;
154        else if ( num == 2 )
155            uart.m_iStopbits = USERIAL_STOPBITS_2;
156    }
157    else
158        uart.m_iStopbits = USERIAL_STOPBITS_1;
159
160    if ( GetNumValue ( NAME_UART_DATABITS, &num, sizeof ( num ) ) )
161    {
162        if ( 5 <= num && num <= 8 )
163            uart.m_iDatabits = ( 1 << ( num + 1 ) );
164    }
165    else
166        uart.m_iDatabits = USERIAL_DATABITS_8;
167
168    if ( GetNumValue ( NAME_UART_BAUD, &num, sizeof ( num ) ) )
169    {
170        if ( num == 300 ) uart.m_iBaudrate = USERIAL_BAUD_300;
171        else if ( num == 600 ) uart.m_iBaudrate = USERIAL_BAUD_600;
172        else if ( num == 1200 ) uart.m_iBaudrate = USERIAL_BAUD_1200;
173        else if ( num == 2400 ) uart.m_iBaudrate = USERIAL_BAUD_2400;
174        else if ( num == 9600 ) uart.m_iBaudrate = USERIAL_BAUD_9600;
175        else if ( num == 19200 ) uart.m_iBaudrate = USERIAL_BAUD_19200;
176        else if ( num == 57600 ) uart.m_iBaudrate = USERIAL_BAUD_57600;
177        else if ( num == 115200 ) uart.m_iBaudrate = USERIAL_BAUD_115200;
178        else if ( num == 230400 ) uart.m_iBaudrate = USERIAL_BAUD_230400;
179        else if ( num == 460800 ) uart.m_iBaudrate = USERIAL_BAUD_460800;
180        else if ( num == 921600 ) uart.m_iBaudrate = USERIAL_BAUD_921600;
181    }
182    else if ( GetStrValue ( NAME_UART_BAUD, temp, sizeof ( temp ) ) )
183    {
184        if ( strcmp ( temp, "auto" ) == 0 )
185            uart.m_iBaudrate = USERIAL_BAUD_AUTO;
186    }
187    else
188        uart.m_iBaudrate = USERIAL_BAUD_115200;
189
190    memset (&cfg, 0, sizeof(tUSERIAL_OPEN_CFG));
191    cfg.fmt = uart.m_iDatabits | uart.m_iParity | uart.m_iStopbits;
192    cfg.baud = uart.m_iBaudrate;
193
194    ALOGD ("%s: uart config=0x%04x, %d\n", __func__, cfg.fmt, cfg.baud);
195    USERIAL_Init(&cfg);
196
197    if ( GetNumValue ( NAME_NFCC_ENABLE_TIMEOUT, &num, sizeof ( num ) ) )
198    {
199        p_nfc_hal_cfg->nfc_hal_nfcc_enable_timeout = num;
200    }
201
202    if ( GetNumValue ( NAME_NFA_MAX_EE_SUPPORTED, &num, sizeof ( num ) ) && num == 0 )
203    {
204        // Since NFA_MAX_EE_SUPPORTED is explicetly set to 0, no UICC support is needed.
205        p_nfc_hal_cfg->nfc_hal_hci_uicc_support = 0;
206    }
207
208    prop_value = property_get_bool("nfc.bcm2079x.isColdboot", 0);
209    if (prop_value) {
210        isColdBoot = true;
211        property_set("nfc.bcm2079x.isColdboot", "0");
212    }
213    // Set 'first boot' flag based on static variable that will get set to false
214    // after the stack has first initialized the EE.
215    p_nfc_hal_cfg->nfc_hal_first_boot = isColdBoot ? TRUE : FALSE;
216
217    HAL_NfcInitialize ();
218    HAL_NfcSetTraceLevel (logLevel); // Initialize HAL's logging level
219
220    retval = 0;
221    ALOGD ("%s: exit %d", __FUNCTION__, retval);
222    return retval;
223}
224
225
226int HaiTerminateLibrary ()
227{
228    int retval = EACCES;
229    ALOGD ("%s: enter", __FUNCTION__);
230
231    HAL_NfcTerminate ();
232    gAndroidHalCallback = NULL;
233    gAndroidHalDataCallback = NULL;
234    GKI_shutdown ();
235    resetConfig ();
236    retval = 0;
237    ALOGD ("%s: exit %d", __FUNCTION__, retval);
238    return retval;
239}
240
241
242int HaiOpen (const bcm2079x_dev_t* device, nfc_stack_callback_t* halCallbackFunc, nfc_stack_data_callback_t* halDataCallbackFunc)
243{
244    ALOGD ("%s: enter", __FUNCTION__);
245    int retval = EACCES;
246
247    gAndroidHalCallback = halCallbackFunc;
248    gAndroidHalDataCallback = halDataCallbackFunc;
249
250    SyncEventGuard guard (gOpenCompletedEvent);
251    HAL_NfcOpen (BroadcomHalCallback, BroadcomHalDataCallback);
252    gOpenCompletedEvent.wait ();
253
254    retval = 0;
255    ALOGD ("%s: exit %d", __FUNCTION__, retval);
256    return retval;
257}
258
259
260void BroadcomHalCallback (UINT8 event, tHAL_NFC_STATUS status)
261{
262    ALOGD ("%s: enter; event=0x%X", __FUNCTION__, event);
263    switch (event)
264    {
265    case HAL_NFC_OPEN_CPLT_EVT:
266        {
267            ALOGD ("%s: HAL_NFC_OPEN_CPLT_EVT; status=0x%X", __FUNCTION__, status);
268            SyncEventGuard guard (gOpenCompletedEvent);
269            gOpenCompletedEvent.notifyOne ();
270            break;
271        }
272
273    case HAL_NFC_POST_INIT_CPLT_EVT:
274        {
275            ALOGD ("%s: HAL_NFC_POST_INIT_CPLT_EVT", __FUNCTION__);
276            SyncEventGuard guard (gPostInitCompletedEvent);
277            gPostInitCompletedEvent.notifyOne ();
278            break;
279        }
280
281    case HAL_NFC_CLOSE_CPLT_EVT:
282        {
283            ALOGD ("%s: HAL_NFC_CLOSE_CPLT_EVT", __FUNCTION__);
284            SyncEventGuard guard (gCloseCompletedEvent);
285            gCloseCompletedEvent.notifyOne ();
286            break;
287        }
288
289    case HAL_NFC_ERROR_EVT:
290        {
291            ALOGD ("%s: HAL_NFC_ERROR_EVT", __FUNCTION__);
292            {
293                SyncEventGuard guard (gOpenCompletedEvent);
294                gOpenCompletedEvent.notifyOne ();
295            }
296            {
297                SyncEventGuard guard (gPostInitCompletedEvent);
298                gPostInitCompletedEvent.notifyOne ();
299            }
300            {
301                SyncEventGuard guard (gCloseCompletedEvent);
302                gCloseCompletedEvent.notifyOne ();
303            }
304            break;
305        }
306    }
307    gAndroidHalCallback (event, status);
308    ALOGD ("%s: exit; event=0x%X", __FUNCTION__, event);
309}
310
311
312void BroadcomHalDataCallback (UINT16 data_len, UINT8* p_data)
313{
314    ALOGD ("%s: enter; len=%u", __FUNCTION__, data_len);
315    gAndroidHalDataCallback (data_len, p_data);
316}
317
318
319int HaiClose (const bcm2079x_dev_t* device)
320{
321    ALOGD ("%s: enter", __FUNCTION__);
322    int retval = EACCES;
323
324    SyncEventGuard guard (gCloseCompletedEvent);
325    HAL_NfcClose ();
326    gCloseCompletedEvent.wait ();
327    retval = 0;
328    ALOGD ("%s: exit %d", __FUNCTION__, retval);
329    return retval;
330}
331
332
333int HaiCoreInitialized (const bcm2079x_dev_t* device, uint8_t* coreInitResponseParams)
334{
335    ALOGD ("%s: enter", __FUNCTION__);
336    int retval = EACCES;
337
338    SyncEventGuard guard (gPostInitCompletedEvent);
339    HAL_NfcCoreInitialized (coreInitResponseParams);
340    gPostInitCompletedEvent.wait ();
341    retval = 0;
342    ALOGD ("%s: exit %d", __FUNCTION__, retval);
343    return retval;
344}
345
346
347int HaiWrite (const bcm2079x_dev_t* dev, uint16_t dataLen, const uint8_t* data)
348{
349    ALOGD ("%s: enter; len=%u", __FUNCTION__, dataLen);
350    int retval = EACCES;
351
352    HAL_NfcWrite (dataLen, const_cast<UINT8*> (data));
353    retval = 0;
354    ALOGD ("%s: exit %d", __FUNCTION__, retval);
355    return retval;
356}
357
358
359int HaiPreDiscover (const bcm2079x_dev_t* device)
360{
361    ALOGD ("%s: enter", __FUNCTION__);
362    int retval = EACCES;
363
364    // This function is a clear indication that the stack is initializing
365    // EE.  So we can reset the cold-boot flag here.
366    isColdBoot = false;
367    retval = HAL_NfcPreDiscover () ? 1 : 0;
368    ALOGD ("%s: exit %d", __FUNCTION__, retval);
369    return retval;
370}
371
372
373int HaiControlGranted (const bcm2079x_dev_t* device)
374{
375    ALOGD ("%s: enter", __FUNCTION__);
376    int retval = EACCES;
377
378    HAL_NfcControlGranted ();
379    retval = 0;
380    ALOGD ("%s: exit %d", __FUNCTION__, retval);
381    return retval;
382}
383
384
385int HaiPowerCycle (const bcm2079x_dev_t* device)
386{
387    ALOGD ("%s: enter", __FUNCTION__);
388    int retval = EACCES;
389
390    HAL_NfcPowerCycle ();
391    retval = 0;
392    ALOGD ("%s: exit %d", __FUNCTION__, retval);
393    return retval;
394}
395
396
397int HaiGetMaxNfcee (const bcm2079x_dev_t* device, uint8_t* maxNfcee)
398{
399    ALOGD ("%s: enter", __FUNCTION__);
400    int retval = EACCES;
401
402    // This function is a clear indication that the stack is initializing
403    // EE.  So we can reset the cold-boot flag here.
404    isColdBoot = false;
405
406    if ( maxNfcee )
407    {
408        *maxNfcee = HAL_NfcGetMaxNfcee ();
409        ALOGD("%s: max_ee from HAL to use %d", __FUNCTION__, *maxNfcee);
410        retval = 0;
411    }
412    ALOGD ("%s: exit %d", __FUNCTION__, retval);
413    return retval;
414}
415
416