HID-Host:Fixed white space issue and power management issue

Included more code to support mouse connectiona and reconnection
Signed-off-by: Priti Aghera <paghera@broadcom.com>

Change-Id: I1e20997e85eda5919f20a069131e580bcbb0ca63

1 files changed, 378 insertions, 0 deletions

diff --git a/btif/co/bta_hh_co.c b/btif/co/bta_hh_co.c
new file mode 100644
index 0000000..cf7970f
--- /dev/null
+++ b/btif/co/bta_hh_co.c
@@ -0,0 +1,378 @@
+/************************************************************************************
+ *
+ *  Copyright (C) 2009-2012 Broadcom Corporation
+ *
+ *  This program is the proprietary software of Broadcom Corporation and/or its
+ *  licensors, and may only be used, duplicated, modified or distributed
+ *  pursuant to the terms and conditions of a separate, written license
+ *  agreement executed between you and Broadcom (an "Authorized License").
+ *  Except as set forth in an Authorized License, Broadcom grants no license
+ *  (express or implied), right to use, or waiver of any kind with respect to
+ *  the Software, and Broadcom expressly reserves all rights in and to the
+ *  Software and all intellectual property rights therein.
+ *  IF YOU HAVE NO AUTHORIZED LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS
+ *  SOFTWARE IN ANY WAY, AND SHOULD IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE
+ *  ALL USE OF THE SOFTWARE.
+ *
+ *  Except as expressly set forth in the Authorized License,
+ *
+ *  1.     This program, including its structure, sequence and organization,
+ *         constitutes the valuable trade secrets of Broadcom, and you shall
+ *         use all reasonable efforts to protect the confidentiality thereof,
+ *         and to use this information only in connection with your use of
+ *         Broadcom integrated circuit products.
+ *
+ *  2.     TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED
+ *         "AS IS" AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES,
+ *         REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY,
+ *         OR OTHERWISE, WITH RESPECT TO THE SOFTWARE.  BROADCOM SPECIFICALLY
+ *         DISCLAIMS ANY AND ALL IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY,
+ *         NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES,
+ *         ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
+ *         CORRESPONDENCE TO DESCRIPTION. YOU ASSUME THE ENTIRE RISK ARISING OUT
+ *         OF USE OR PERFORMANCE OF THE SOFTWARE.
+ *
+ *  3.     TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR
+ *         ITS LICENSORS BE LIABLE FOR
+ *         (i)   CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT, OR EXEMPLARY
+ *               DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO
+ *               YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM
+ *               HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR
+ *         (ii)  ANY AMOUNT IN EXCESS OF THE AMOUNT ACTUALLY PAID FOR THE
+ *               SOFTWARE ITSELF OR U.S. $1, WHICHEVER IS GREATER. THESE
+ *               LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF
+ *               ESSENTIAL PURPOSE OF ANY LIMITED REMEDY.
+ *
+ ************************************************************************************/
+
+//#if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE))
+
+#include <ctype.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <errno.h>
+#include "btif_hh.h"
+
+#include "bta_api.h"
+#include "bta_hh_api.h"
+
+
+
+#define UINT8 uint8_t
+#define UINT16 uint16_t
+#if (defined(HH_USE_BTHID) && (HH_USE_BTHID == TRUE))
+
+
+#define BTHID_HID_INFO  1
+#define LOG_TAG "BTA_HH_CO"
+#define BTHID_MAX_DEV_NAME_LEN  128
+#define BTHID_MAX_DSCP_BUF_LEN  884
+
+typedef struct BTHID_CONTROL
+{
+    int   dscp_len;
+    char  dscp_buf[BTHID_MAX_DSCP_BUF_LEN];
+    char  dev_name[BTHID_MAX_DEV_NAME_LEN];
+    unsigned short vendor_id;
+    unsigned short product_id;
+    unsigned short version;
+    unsigned short ctry_code;
+} tBTHID_CONTROL;
+
+#else
+
+#endif
+
+static UINT8 HID_REPORT_START[] = {1,0,0};
+#define HID_REPORT_CAPSLOCK  0x39
+#define HID_REPORT_NUMLOCK   0x53
+#define HID_REPORT_SCROLLLOCK 0x47
+static int saved_keyevents =0;
+
+static void process_rpt_keys_with_state(UINT8 dev_handle, UINT8 *p_rpt, UINT16 len)
+{
+/*
+ --TODO
+   */
+}
+
+/*******************************************************************************
+**
+** Function      bta_hh_co_open
+**
+** Description   When connection is opened, this call-out function is executed
+**               by HH to do platform specific initialization.
+**
+** Returns       void.
+*******************************************************************************/
+void bta_hh_co_open(UINT8 dev_handle, UINT8 sub_class, tBTA_HH_ATTR_MASK attr_mask,
+                    UINT8 app_id)
+{
+    UINT32 i;
+    btif_hh_device_t *p_dev = NULL;
+
+    BTIF_TRACE_WARNING5("%s: dev_handle = %d, subclass = 0x%02X, attr_mask = 0x%04X, app_id = %d",
+         __FUNCTION__, dev_handle, sub_class, attr_mask, app_id);
+
+    if (dev_handle == BTA_HH_INVALID_HANDLE) {
+        BTIF_TRACE_WARNING2("%s: Oops, dev_handle (%d) is invalid...", __FUNCTION__, dev_handle);
+        return;
+    }
+
+    for (i = 0; i < BTIF_HH_MAX_HID; i++) {
+        p_dev = &btif_hh_cb.devices[i];
+        if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) {
+            // We found a device with the same handle. Must be a device reconnected.
+            BTIF_TRACE_WARNING2("%s: Found an existing device with the same handle. dev_status = %d",
+                 __FUNCTION__, p_dev->dev_status);
+            BTIF_TRACE_WARNING6("%s:     bd_addr = [%02X:%02X:%02X:%02X:%02X:]", __FUNCTION__,
+                 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], p_dev->bd_addr.address[2],
+                 p_dev->bd_addr.address[3], p_dev->bd_addr.address[4]);
+                 BTIF_TRACE_WARNING4("%s:     attr_mask = 0x%04x, sub_class = 0x%02x, app_id = %d", __FUNCTION__,
+                 p_dev->attr_mask, p_dev->sub_class, p_dev->app_id);
+
+            if(p_dev->fd<0) {
+                p_dev->fd = open("/dev/bthid", O_RDWR);
+                BTIF_TRACE_WARNING2("%s: bthid fd = %d", __FUNCTION__, p_dev->fd);
+            }
+
+            break;
+        }
+        p_dev = NULL;
+    }
+
+    if (p_dev == NULL) {
+        // Did not find a device reconnection case. Find an empty slot now.
+        for (i = 0; i < BTIF_HH_MAX_HID; i++) {
+            if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_UNKNOWN) {
+                p_dev = &btif_hh_cb.devices[i];
+                p_dev->dev_handle = dev_handle;
+                p_dev->attr_mask  = attr_mask;
+                p_dev->sub_class  = sub_class;
+                p_dev->app_id     = app_id;
+
+                btif_hh_cb.device_num++;
+
+    #if (defined(HH_USE_BTHID) && (HH_USE_BTHID == TRUE))
+                // This is a new device,open the bthid driver now.
+                p_dev->fd = open("/dev/bthid", O_RDWR);
+                BTIF_TRACE_WARNING3("%s: bthid fd = %d, errno=%d", __FUNCTION__, p_dev->fd,errno);
+    #endif
+                break;
+            }
+        }
+    }
+
+    if (p_dev == NULL) {
+        BTIF_TRACE_WARNING1("%s: Error: too many HID devices are connected", __FUNCTION__);
+        return;
+    }
+
+    p_dev->dev_status = BTHH_CONN_STATE_CONNECTED;
+    BTIF_TRACE_WARNING2("%s: Return device status %d", __FUNCTION__, p_dev->dev_status);
+}
+
+
+/*******************************************************************************
+**
+** Function      bta_hh_co_close
+**
+** Description   When connection is closed, this call-out function is executed
+**               by HH to do platform specific finalization.
+**
+** Parameters    dev_handle  - device handle
+**                  app_id      - application id
+**
+** Returns          void.
+*******************************************************************************/
+void bta_hh_co_close(UINT8 dev_handle, UINT8 app_id)
+{
+    BTIF_TRACE_WARNING3("%s: dev_handle = %d, app_id = %d", __FUNCTION__, dev_handle, app_id);
+}
+
+
+/*******************************************************************************
+**
+** Function         bta_hh_co_data
+**
+** Description      This function is executed by BTA when HID host receive a data
+**                  report.
+**
+** Parameters       dev_handle  - device handle
+**                  *p_rpt      - pointer to the report data
+**                  len         - length of report data
+**                  mode        - Hid host Protocol Mode
+**                  sub_clas    - Device Subclass
+**                  app_id      - application id
+**
+** Returns          void
+*******************************************************************************/
+void bta_hh_co_data(UINT8 dev_handle, UINT8 *p_rpt, UINT16 len, tBTA_HH_PROTO_MODE mode,
+                    UINT8 sub_class, UINT8 ctry_code, BD_ADDR peer_addr, UINT8 app_id)
+{
+    btif_hh_device_t *p_dev;
+    //tBTA_HH_BOOT_RPT  rpt;
+
+    BTIF_TRACE_WARNING6("%s: dev_handle = %d, subclass = 0x%02X, mode = %d, "
+         "ctry_code = %d, app_id = %d",
+         __FUNCTION__, dev_handle, sub_class, mode, ctry_code, app_id);
+
+
+    // Verbose logging
+    /*
+    int i;
+    for (i =0; i < len;i++) {
+        LOGV("%s: %x",__FUNCTION__, p_rpt[i]);
+    }
+    */
+
+    p_dev = btif_hh_find_connected_dev_by_handle(dev_handle);
+    if (p_dev == NULL) {
+        BTIF_TRACE_WARNING2("%s: Error: unknown HID device handle %d", __FUNCTION__, dev_handle);
+        return;
+    }
+
+#if (defined(HH_USE_BTHID) && (HH_USE_BTHID == TRUE))
+    // Send the HID report to the kernel.
+    if (p_dev->fd >= 0) {
+        BTIF_TRACE_WARNING3("%s: fd = %d, len = %d", __FUNCTION__, p_dev->fd, len);
+        /* TODO: keystate
+        if (app_id == BTAPP_HH_APP_ID_KB) {
+            process_rpt_keys_with_state(dev_handle,p_rpt,len);
+        }
+        */
+        write(p_dev->fd, p_rpt, len);
+    }
+    else {
+        BTIF_TRACE_WARNING3("%s: Error: fd = %d, len = %d", __FUNCTION__, p_dev->fd, len);
+    }
+#else
+
+    switch (app_id) {
+    case BTAPP_HH_APP_ID_KB:
+    case BTAPP_HH_APP_ID_MI:
+        if (mode == BTA_HH_PROTO_BOOT_MODE) {
+            // Call utility function to parse the boot mode report
+            BTA_HhParseBootRpt(&rpt, p_rpt, len);
+
+            switch (rpt.dev_type) {
+
+            case BTA_HH_KEYBD_RPT_ID:  // HID keyboard
+                /* Process the keypress by looking up the key conversion table
+                 * which could be different from language to language.
+                 * Application can pass in different key conversion table depend on
+                 * the keyboard language. For undefined country code or English
+                 * keyboard, use the default key conversion table
+                 *
+                 * We only use default conversion table here, ignore the language
+                 * and the country code.
+                 */
+               process_keyboard_rpt(p_dev, &rpt.data_rpt.keybd_rpt);
+                break;
+
+            case BTA_HH_MOUSE_RPT_ID: // HID mouse
+                process_mouse_rpt(&rpt.data_rpt.mice_rpt);
+                break;
+
+            default:
+                BTIF_TRACE_WARNING4("%s: Unknown boot-mode HID report(%d) \"%s\", dev_type = %d",
+                     __FUNCTION__, len, p_rpt, rpt.dev_type);
+                //LOGI("%s: %x %x %x %x %x %x %x",
+                //     __FUNCTION__, p_rpt[0], p_rpt[1], p_rpt[2], p_rpt[3], p_rpt[4],
+                //     p_rpt[5], p_rpt[6]);
+                break;
+            }
+        }
+        else {
+            BTIF_TRACE_WARNING4("%s: Unsupported HID mode %d rpt(%d) \"%s\"",
+                 __FUNCTION__, mode, len, p_rpt);
+        }
+        break;
+
+    default:
+        BTIF_TRACE_WARNING4("%s: Unknown HID report app_id %d rpt(%d) \"%s\"",
+             __FUNCTION__, app_id, len, p_rpt);
+        break;
+    }
+
+#endif  // (defined(HH_USE_BTHID) && (HH_USE_BTHID == TRUE))
+}
+
+
+/*******************************************************************************
+**
+** Function         bta_hh_co_send_hid_info
+**
+** Description      This function is called in btapp_hh.c to process DSCP received.
+**
+** Parameters       dev_handle  - device handle
+**                  dscp_len    - report descriptor length
+**                  *p_dscp     - report descriptor
+**
+** Returns          void
+*******************************************************************************/
+void bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id,
+                             UINT16 product_id, UINT16 version, UINT8 ctry_code,
+                             int dscp_len, UINT8 *p_dscp)
+{
+#if (defined(HH_USE_BTHID) && (HH_USE_BTHID == TRUE))
+    int result;
+    tBTHID_CONTROL  ctrl;
+#endif
+
+    /*
+    int i;
+    for (i = 0; i < dscp_len; i += 16) {
+        LOGI("%02X %02X %02X %02X %02X %02X %02X %02X "
+             "%02X %02X %02X %02X %02X %02X %02X %02X",
+             p_dscp[i],    p_dscp[i+1],  p_dscp[i+2],  p_dscp[i+3],
+             p_dscp[i+4],  p_dscp[i+5],  p_dscp[i+6],  p_dscp[i+7],
+             p_dscp[i+8],  p_dscp[i+9],  p_dscp[i+10], p_dscp[i+11],
+             p_dscp[i+12], p_dscp[i+13], p_dscp[i+14], p_dscp[i+15]);
+    }
+    */
+
+#if (defined(HH_USE_BTHID) && (HH_USE_BTHID == TRUE))
+    if (p_dev->fd < 0) {
+        BTIF_TRACE_WARNING3("%s: Error: fd = %d, dscp_len = %d", __FUNCTION__, p_dev->fd, dscp_len);
+        return;
+    }
+
+    if (dscp_len > BTHID_MAX_DSCP_BUF_LEN) {
+        BTIF_TRACE_WARNING2("%s: Error: HID report descriptor is too large. dscp_len = %d", __FUNCTION__, dscp_len);
+        return;
+    }
+
+    BTIF_TRACE_WARNING4("%s: fd = %d, name = [%s], dscp_len = %d", __FUNCTION__, p_dev->fd, dev_name, dscp_len);
+    BTIF_TRACE_WARNING5("%s: vendor_id = 0x%04x, product_id = 0x%04x, version= 0x%04x, ctry_code=0x%02x",
+         __FUNCTION__, vendor_id, product_id, version, ctry_code);
+
+    memset(&ctrl, 0, sizeof(tBTHID_CONTROL));
+
+    ctrl.dscp_len = dscp_len;
+    memcpy(ctrl.dscp_buf, p_dscp, dscp_len);
+    strncpy(ctrl.dev_name, dev_name, BTHID_MAX_DEV_NAME_LEN - 1);
+    ctrl.vendor_id  = vendor_id;
+    ctrl.product_id = product_id;
+    ctrl.version    = version;
+    ctrl.ctry_code  = ctry_code;
+
+    BTIF_TRACE_WARNING1("%s: send ioctl", __FUNCTION__);
+
+    result = ioctl(p_dev->fd, BTHID_HID_INFO, &ctrl);
+
+    BTIF_TRACE_WARNING4("%s: fd = %d, dscp_len = %d, result = %d", __FUNCTION__, p_dev->fd, dscp_len, result);
+
+    if (result != 0) {
+        BTIF_TRACE_WARNING2("%s: Error: failed to send DSCP, result = %d", __FUNCTION__, result);
+
+        /* The HID report descriptor is corrupted. Close the driver. */
+        close(p_dev->fd);
+        p_dev->fd = -1;
+    }
+#endif
+}
+
+