drivers/isdn/hisax/hfc_usb.h

   1 /*
   2 * hfc_usb.h
   3 *
   4 * $Id: hfc_usb.h,v 4.1 2005/01/26 17:25:53 martinb1 Exp $
   5 */
   6
   7 #ifndef __HFC_USB_H__
   8 #define __HFC_USB_H__
   9
  10 #define DRIVER_AUTHOR   "Peter Sprenger (sprenger@moving-byters.de)"
  11 #define DRIVER_DESC     "HFC-S USB based HiSAX ISDN driver"
  12
  13 #define VERBOSE_USB_DEBUG
  14
  15 #define TRUE  1
  16 #define FALSE 0
  17
  18
  19 /***********/
  20 /* defines */
  21 /***********/
  22 #define HFC_CTRL_TIMEOUT 20     /* 5ms timeout writing/reading regs */
  23 #define HFC_TIMER_T3 8000       /* timeout for l1 activation timer */
  24 #define HFC_TIMER_T4 500        /* time for state change interval */
  25
  26 #define HFCUSB_L1_STATECHANGE 0 /* L1 state changed */
  27 #define HFCUSB_L1_DRX 1         /* D-frame received */
  28 #define HFCUSB_L1_ERX 2         /* E-frame received */
  29 #define HFCUSB_L1_DTX 4         /* D-frames completed */
  30
  31 #define MAX_BCH_SIZE 2048       /* allowed B-channel packet size */
  32
  33 #define HFCUSB_RX_THRESHOLD 64  /* threshold for fifo report bit rx */
  34 #define HFCUSB_TX_THRESHOLD 64  /* threshold for fifo report bit tx */
  35
  36 #define HFCUSB_CHIP_ID          0x16    /* Chip ID register index */
  37 #define HFCUSB_CIRM             0x00    /* cirm register index */
  38 #define HFCUSB_USB_SIZE         0x07    /* int length register */
  39 #define HFCUSB_USB_SIZE_I       0x06    /* iso length register */
  40 #define HFCUSB_F_CROSS          0x0b    /* bit order register */
  41 #define HFCUSB_CLKDEL           0x37    /* bit delay register */
  42 #define HFCUSB_CON_HDLC         0xfa    /* channel connect register */
  43 #define HFCUSB_HDLC_PAR         0xfb
  44 #define HFCUSB_SCTRL            0x31    /* S-bus control register (tx) */
  45 #define HFCUSB_SCTRL_E          0x32    /* same for E and special funcs */
  46 #define HFCUSB_SCTRL_R          0x33    /* S-bus control register (rx) */
  47 #define HFCUSB_F_THRES          0x0c    /* threshold register */
  48 #define HFCUSB_FIFO             0x0f    /* fifo select register */
  49 #define HFCUSB_F_USAGE          0x1a    /* fifo usage register */
  50 #define HFCUSB_MST_MODE0        0x14
  51 #define HFCUSB_MST_MODE1        0x15
  52 #define HFCUSB_P_DATA           0x1f
  53 #define HFCUSB_INC_RES_F        0x0e
  54 #define HFCUSB_STATES           0x30
  55
  56 #define HFCUSB_CHIPID           0x40    /* ID value of HFC-S USB */
  57
  58 /******************/
  59 /* fifo registers */
  60 /******************/
  61 #define HFCUSB_NUM_FIFOS        8       /* maximum number of fifos */
  62 #define HFCUSB_B1_TX            0       /* index for B1 transmit bulk/int */
  63 #define HFCUSB_B1_RX            1       /* index for B1 receive bulk/int */
  64 #define HFCUSB_B2_TX            2
  65 #define HFCUSB_B2_RX            3
  66 #define HFCUSB_D_TX             4
  67 #define HFCUSB_D_RX             5
  68 #define HFCUSB_PCM_TX           6
  69 #define HFCUSB_PCM_RX           7
  70
  71 /*
  72 * used to switch snd_transfer_mode for different TA modes e.g. the Billion USB TA just
  73 * supports ISO out, while the Cologne Chip EVAL TA just supports BULK out
  74 */
  75 #define USB_INT         0
  76 #define USB_BULK        1
  77 #define USB_ISOC        2
  78
  79 #define ISOC_PACKETS_D  8
  80 #define ISOC_PACKETS_B  8
  81 #define ISO_BUFFER_SIZE 128
  82
  83 // ISO send definitions
  84 #define SINK_MAX        68
  85 #define SINK_MIN        48
  86 #define SINK_DMIN       12
  87 #define SINK_DMAX       18
  88 #define BITLINE_INF     (-64*8)
  89
  90
  91 /**********/
  92 /* macros */
  93 /**********/
  94 #define write_usb(a,b,c)usb_control_msg((a)->dev,(a)->ctrl_out_pipe,0,0x40,(c),(b),0,0,HFC_CTRL_TIMEOUT)
  95 #define read_usb(a,b,c) usb_control_msg((a)->dev,(a)->ctrl_in_pipe,1,0xC0,0,(b),(c),1,HFC_CTRL_TIMEOUT)
  96
  97
  98 /*******************/
  99 /* Debugging Flags */
 100 /*******************/
 101 #define USB_DBG   1
 102 #define ISDN_DBG  2
 103
 104
 105 /* *********************/
 106 /* USB related defines */
 107 /***********************/
 108 #define HFC_CTRL_BUFSIZE 32
 109
 110
 111
 112 /*************************************************/
 113 /* entry and size of output/input control buffer */
 114 /*************************************************/
 115 typedef struct {
 116         __u8 hfc_reg;           /* register number */
 117         __u8 reg_val;           /* value to be written (or read) */
 118         int action;             /* data for action handler */
 119 } ctrl_buft;
 120
 121
 122 /********************/
 123 /* URB error codes: */
 124 /********************/
 125 /* Used to represent a list of values and their respective symbolic names */
 126 struct hfcusb_symbolic_list {
 127         const int num;
 128         const char *name;
 129 };
 130
 131 static struct hfcusb_symbolic_list urb_errlist[] = {
 132         {-ENOMEM, "No memory for allocation of internal structures"},
 133         {-ENOSPC, "The host controller's bandwidth is already consumed"},
 134         {-ENOENT, "URB was canceled by unlink_urb"},
 135         {-EXDEV, "ISO transfer only partially completed"},
 136         {-EAGAIN, "Too match scheduled for the future"},
 137         {-ENXIO, "URB already queued"},
 138         {-EFBIG, "Too much ISO frames requested"},
 139         {-ENOSR, "Buffer error (overrun)"},
 140         {-EPIPE, "Specified endpoint is stalled (device not responding)"},
 141         {-EOVERFLOW, "Babble (bad cable?)"},
 142         {-EPROTO, "Bit-stuff error (bad cable?)"},
 143         {-EILSEQ, "CRC/Timeout"},
 144         {-ETIMEDOUT, "NAK (device does not respond)"},
 145         {-ESHUTDOWN, "Device unplugged"},
 146         {-1, NULL}
 147 };
 148
 149
 150 /*****************************************************/
 151 /* device dependant information to support different */
 152 /* ISDN Ta's using the HFC-S USB chip                */
 153 /*****************************************************/
 154
 155 /* USB descriptor need to contain one of the following EndPoint combination: */
 156 #define CNF_4INT3ISO    1       // 4 INT IN, 3 ISO OUT
 157 #define CNF_3INT3ISO    2       // 3 INT IN, 3 ISO OUT
 158 #define CNF_4ISO3ISO    3       // 4 ISO IN, 3 ISO OUT
 159 #define CNF_3ISO3ISO    4       // 3 ISO IN, 3 ISO OUT
 160
 161 #define EP_NUL 1                // Endpoint at this position not allowed
 162 #define EP_NOP 2                // all type of endpoints allowed at this position
 163 #define EP_ISO 3                // Isochron endpoint mandatory at this position
 164 #define EP_BLK 4                // Bulk endpoint mandatory at this position
 165 #define EP_INT 5                // Interrupt endpoint mandatory at this position
 166
 167 /* this array represents all endpoints possible in the HCF-USB the last
 168 * 3 entries are the configuration number, the minimum interval for
 169 * Interrupt endpoints & boolean if E-channel logging possible
 170 */
 171 static int validconf[][19] = {
 172         // INT in, ISO out config
 173         {EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NOP, EP_INT,
 174          EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
 175          CNF_4INT3ISO, 2, 1},
 176         {EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_NUL,
 177          EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
 178          CNF_3INT3ISO, 2, 0},
 179         // ISO in, ISO out config
 180         {EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL,
 181          EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NOP, EP_ISO,
 182          CNF_4ISO3ISO, 2, 1},
 183         {EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL,
 184          EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NUL, EP_NUL,
 185          CNF_3ISO3ISO, 2, 0},
 186         {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}        // EOL element
 187 };
 188
 189 // string description of chosen config
 190 static char *conf_str[] = {
 191         "4 Interrupt IN + 3 Isochron OUT",
 192         "3 Interrupt IN + 3 Isochron OUT",
 193         "4 Isochron IN + 3 Isochron OUT",
 194         "3 Isochron IN + 3 Isochron OUT"
 195 };
 196
 197
 198 typedef struct {
 199         int vendor;             // vendor id
 200         int prod_id;            // product id
 201         char *vend_name;        // vendor string
 202         __u8 led_scheme;        // led display scheme
 203         signed short led_bits[8];       // array of 8 possible LED bitmask settings
 204 } vendor_data;
 205
 206 #define LED_OFF      0          // no LED support
 207 #define LED_SCHEME1  1          // LED standard scheme
 208 #define LED_SCHEME2  2          // not used yet...
 209
 210 #define LED_POWER_ON    1
 211 #define LED_POWER_OFF   2
 212 #define LED_S0_ON       3
 213 #define LED_S0_OFF      4
 214 #define LED_B1_ON       5
 215 #define LED_B1_OFF      6
 216 #define LED_B1_DATA     7
 217 #define LED_B2_ON       8
 218 #define LED_B2_OFF      9
 219 #define LED_B2_DATA     10
 220
 221 #define LED_NORMAL   0          // LEDs are normal
 222 #define LED_INVERTED 1          // LEDs are inverted
 223
 224 /* time in ms to perform a Flashing LED when B-Channel has traffic */
 225 #define LED_TIME      250
 226
 227
 228 #endif                          // __HFC_USB_H__