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      1 /*
      2  *  User Mode Init manager - For shared transport
      3  *
      4  *  This program is free software; you can redistribute it and/or modify
      5  *  it under the terms of the GNU General Public License as published by
      6  *  the Free Software Foundation; either version 2 of the License, or
      7  *  (at your option) any later version.
      8  *
      9  *  This program is distributed in the hope that it will be useful,
     10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     12  *  GNU General Public License for more details.
     13  *
     14  *  You should have received a copy of the GNU General Public License
     15  *  along with this program;if not, write to the Free Software
     16  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     17  */
     18 
     19 #ifndef UIM_H
     20 #define UIM_H
     21 
     22 /* Paramaters to set the baud rate*/
     23 #define  FLOW_CTL       0x0001
     24 #define  BOTHER         0x00001000
     25 #define  ARM_NCCS       19
     26 
     27 #define TCGETS2      _IOR('T',0x2A, struct termios2)
     28 #define TCSETS2      _IOW('T',0x2B, struct termios2)
     29 
     30 /*HCI Command and Event information*/
     31 #define HCI_HDR_OPCODE          0xff36
     32 #define WRITE_BD_ADDR_OPCODE	0xFC06
     33 #define RESP_PREFIX             0x04
     34 #define MAX_TRY                 10
     35 
     36 /* HCI Packet types */
     37 #define HCI_COMMAND_PKT         0x01
     38 #define HCI_EVENT_PKT           0x04
     39 
     40 /* HCI command macros*/
     41 #define HCI_EVENT_HDR_SIZE              2
     42 #define HCI_COMMAND_HDR_SIZE            3
     43 #define UIM_WRITE_BD_ADDR_CP_SIZE       6
     44 
     45 
     46 /* HCI event macros*/
     47 #define EVT_CMD_COMPLETE_SIZE   3
     48 #define EVT_CMD_STATUS_SIZE     4
     49 #define EVT_CMD_COMPLETE        0x0E
     50 #define EVT_CMD_STATUS          0x0F
     51 
     52 
     53 #define VERBOSE
     54 #ifdef ANDROID
     55 #define LOG_TAG "uim-sysfs"
     56 #define UIM_ERR(fmt, arg...)  ALOGE("uim:"fmt"\n" , ##arg)
     57 #if defined(UIM_DEBUG)          /* limited debug messages */
     58 #define UIM_START_FUNC()      ALOGE("uim: Inside %s", __FUNCTION__)
     59 #define UIM_DBG(fmt, arg...)  ALOGE("uim:"fmt"\n" , ## arg)
     60 #define UIM_VER(fmt, arg...)
     61 #elif defined(VERBOSE)          /* very verbose */
     62 #define UIM_START_FUNC()      ALOGE("uim: Inside %s", __FUNCTION__)
     63 #define UIM_DBG(fmt, arg...)  ALOGE("uim:"fmt"\n" , ## arg)
     64 #define UIM_VER(fmt, arg...)  ALOGE("uim:"fmt"\n" , ## arg)
     65 #else /* error msgs only */
     66 #define UIM_START_FUNC()
     67 #define UIM_DBG(fmt, arg...)
     68 #define UIM_VER(fmt, arg...)
     69 #endif
     70 #endif  /* ANDROID */
     71 
     72 /*Termios2 structure for setting the Custom baud rate*/
     73 struct termios2 {
     74 	tcflag_t c_iflag;       /* input mode flags */
     75 	tcflag_t c_oflag;       /* output mode flags */
     76 	tcflag_t c_cflag;       /* control mode flags */
     77 	tcflag_t c_lflag;       /* local mode flags */
     78 	cc_t c_line;            /* line discipline */
     79 	cc_t c_cc[ARM_NCCS];    /* control characters */
     80 	speed_t c_ispeed;       /* input speed */
     81 	speed_t c_ospeed;       /* output speed */
     82 };
     83 
     84 /* HCI command header*/
     85 typedef struct {
     86 	uint16_t        opcode;         /* OCF & OGF */
     87 	uint8_t         plen;
     88 } __attribute__ ((packed))      hci_command_hdr;
     89 
     90 /* HCI event header*/
     91 typedef struct {
     92 	uint8_t         evt;
     93 	uint8_t         plen;
     94 } __attribute__ ((packed))      hci_event_hdr;
     95 
     96 /* HCI command complete event*/
     97 typedef struct {
     98 	uint8_t         ncmd;
     99 	uint16_t        opcode;
    100 } __attribute__ ((packed)) evt_cmd_complete;
    101 
    102 /* HCI event status*/
    103 typedef struct {
    104 	uint8_t         status;
    105 	uint8_t         ncmd;
    106 	uint16_t        opcode;
    107 } __attribute__ ((packed)) evt_cmd_status;
    108 
    109 /* HCI Event structure to set the cusrom baud rate*/
    110 typedef struct {
    111 	uint8_t uart_prefix;
    112 	hci_event_hdr hci_hdr;
    113 	evt_cmd_complete cmd_complete;
    114 	uint8_t status;
    115 	uint8_t data[16];
    116 } __attribute__ ((packed)) command_complete_t;
    117 
    118 /* HCI Command structure to set the cusrom baud rate*/
    119 typedef struct {
    120 	uint8_t uart_prefix;
    121 	hci_command_hdr hci_hdr;
    122 	uint32_t speed;
    123 } __attribute__ ((packed)) uim_speed_change_cmd;
    124 
    125 /* BD address structure to set the uim BD address*/
    126 typedef struct {
    127 	unsigned char b[6];
    128 } __attribute__((packed)) bdaddr_t;
    129 
    130 /* HCI Command structure to set the uim BD address*/
    131 typedef struct {
    132 	uint8_t uart_prefix;
    133 	hci_command_hdr hci_hdr;
    134 	bdaddr_t addr;
    135 } __attribute__ ((packed)) uim_bdaddr_change_cmd;
    136 
    137 #define INSTALL_SYSFS_ENTRY	"/sys/devices/platform/kim/install"
    138 #define DEV_NAME_SYSFS		"/sys/devices/platform/kim/dev_name"
    139 #define BAUD_RATE_SYSFS		"/sys/devices/platform/kim/baud_rate"
    140 #define FLOW_CTRL_SYSFS		"/sys/devices/platform/kim/flow_cntrl"
    141 
    142 /* Functions to insert and remove the kernel modules from the system*/
    143 extern int init_module(void *, unsigned int, const char *);
    144 extern int delete_module(const char *, unsigned int);
    145 extern int load_file(const char *, unsigned int *);
    146 
    147 #endif /* UIM_H */
    148