drivers/isdn/hisax/hfc_usb.h

   1 /*
   2 * hfc_usb.h
   3 *
   4 * $Id: hfc_usb.h,v 4.2 2005/04/07 15:27:17 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
  16 /***********/
  17 /* defines */
  18 /***********/
  19 #define HFC_CTRL_TIMEOUT 20     /* 5ms timeout writing/reading regs */
  20 #define HFC_TIMER_T3 8000       /* timeout for l1 activation timer */
  21 #define HFC_TIMER_T4 500        /* time for state change interval */
  22
  23 #define HFCUSB_L1_STATECHANGE 0 /* L1 state changed */
  24 #define HFCUSB_L1_DRX 1         /* D-frame received */
  25 #define HFCUSB_L1_ERX 2         /* E-frame received */
  26 #define HFCUSB_L1_DTX 4         /* D-frames completed */
  27
  28 #define MAX_BCH_SIZE 2048       /* allowed B-channel packet size */
  29
  30 #define HFCUSB_RX_THRESHOLD 64  /* threshold for fifo report bit rx */
  31 #define HFCUSB_TX_THRESHOLD 64  /* threshold for fifo report bit tx */
  32
  33 #define HFCUSB_CHIP_ID          0x16    /* Chip ID register index */
  34 #define HFCUSB_CIRM             0x00    /* cirm register index */
  35 #define HFCUSB_USB_SIZE         0x07    /* int length register */
  36 #define HFCUSB_USB_SIZE_I       0x06    /* iso length register */
  37 #define HFCUSB_F_CROSS          0x0b    /* bit order register */
  38 #define HFCUSB_CLKDEL           0x37    /* bit delay register */
  39 #define HFCUSB_CON_HDLC         0xfa    /* channel connect register */
  40 #define HFCUSB_HDLC_PAR         0xfb
  41 #define HFCUSB_SCTRL            0x31    /* S-bus control register (tx) */
  42 #define HFCUSB_SCTRL_E          0x32    /* same for E and special funcs */
  43 #define HFCUSB_SCTRL_R          0x33    /* S-bus control register (rx) */
  44 #define HFCUSB_F_THRES          0x0c    /* threshold register */
  45 #define HFCUSB_FIFO             0x0f    /* fifo select register */
  46 #define HFCUSB_F_USAGE          0x1a    /* fifo usage register */
  47 #define HFCUSB_MST_MODE0        0x14
  48 #define HFCUSB_MST_MODE1        0x15
  49 #define HFCUSB_P_DATA           0x1f
  50 #define HFCUSB_INC_RES_F        0x0e
  51 #define HFCUSB_STATES           0x30
  52
  53 #define HFCUSB_CHIPID           0x40    /* ID value of HFC-S USB */
  54
  55 /******************/
  56 /* fifo registers */
  57 /******************/
  58 #define HFCUSB_NUM_FIFOS        8       /* maximum number of fifos */
  59 #define HFCUSB_B1_TX            0       /* index for B1 transmit bulk/int */
  60 #define HFCUSB_B1_RX            1       /* index for B1 receive bulk/int */
  61 #define HFCUSB_B2_TX            2
  62 #define HFCUSB_B2_RX            3
  63 #define HFCUSB_D_TX             4
  64 #define HFCUSB_D_RX             5
  65 #define HFCUSB_PCM_TX           6
  66 #define HFCUSB_PCM_RX           7
  67
  68 /*
  69 * used to switch snd_transfer_mode for different TA modes e.g. the Billion USB TA just
  70 * supports ISO out, while the Cologne Chip EVAL TA just supports BULK out
  71 */
  72 #define USB_INT         0
  73 #define USB_BULK        1
  74 #define USB_ISOC        2
  75
  76 #define ISOC_PACKETS_D  8
  77 #define ISOC_PACKETS_B  8
  78 #define ISO_BUFFER_SIZE 128
  79
  80 // ISO send definitions
  81 #define SINK_MAX        68
  82 #define SINK_MIN        48
  83 #define SINK_DMIN       12
  84 #define SINK_DMAX       18
  85 #define BITLINE_INF     (-64*8)
  86
  87
  88 /**********/
  89 /* macros */
  90 /**********/
  91 #define write_usb(a,b,c)usb_control_msg((a)->dev,(a)->ctrl_out_pipe,0,0x40,(c),(b),NULL,0,HFC_CTRL_TIMEOUT)
  92 #define read_usb(a,b,c) usb_control_msg((a)->dev,(a)->ctrl_in_pipe,1,0xC0,0,(b),(c),1,HFC_CTRL_TIMEOUT)
  93
  94
  95 /*******************/
  96 /* Debugging Flags */
  97 /*******************/
  98 #define USB_DBG   1
  99 #define ISDN_DBG  2
 100
 101
 102 /* *********************/
 103 /* USB related defines */
 104 /***********************/
 105 #define HFC_CTRL_BUFSIZE 32
 106
 107
 108
 109 /*************************************************/
 110 /* entry and size of output/input control buffer */
 111 /*************************************************/
 112 typedef struct {
 113         __u8 hfc_reg;           /* register number */
 114         __u8 reg_val;           /* value to be written (or read) */
 115         int action;             /* data for action handler */
 116 } ctrl_buft;
 117
 118
 119 /********************/
 120 /* URB error codes: */
 121 /********************/
 122 /* Used to represent a list of values and their respective symbolic names */
 123 struct hfcusb_symbolic_list {
 124         const int num;
 125         const char *name;
 126 };
 127
 128 static struct hfcusb_symbolic_list urb_errlist[] = {
 129         {-ENOMEM, "No memory for allocation of internal structures"},
 130         {-ENOSPC, "The host controller's bandwidth is already consumed"},
 131         {-ENOENT, "URB was canceled by unlink_urb"},
 132         {-EXDEV, "ISO transfer only partially completed"},
 133         {-EAGAIN, "Too match scheduled for the future"},
 134         {-ENXIO, "URB already queued"},
 135         {-EFBIG, "Too much ISO frames requested"},
 136         {-ENOSR, "Buffer error (overrun)"},
 137         {-EPIPE, "Specified endpoint is stalled"},
 138         {-EOVERFLOW, "Babble (bad cable?)"},
 139         {-EPROTO, "Bit-stuff error (bad cable?)"},
 140         {-EILSEQ, "CRC or missing token"},
 141         {-ETIME, "Device did not respond"},
 142         {-ESHUTDOWN, "Device unplugged"},
 143         {-1, NULL}
 144 };
 145
 146
 147 /*****************************************************/
 148 /* device dependant information to support different */
 149 /* ISDN Ta's using the HFC-S USB chip                */
 150 /*****************************************************/
 151
 152 /* USB descriptor need to contain one of the following EndPoint combination: */
 153 #define CNF_4INT3ISO    1       // 4 INT IN, 3 ISO OUT
 154 #define CNF_3INT3ISO    2       // 3 INT IN, 3 ISO OUT
 155 #define CNF_4ISO3ISO    3       // 4 ISO IN, 3 ISO OUT
 156 #define CNF_3ISO3ISO    4       // 3 ISO IN, 3 ISO OUT
 157
 158 #define EP_NUL 1                // Endpoint at this position not allowed
 159 #define EP_NOP 2                // all type of endpoints allowed at this position
 160 #define EP_ISO 3                // Isochron endpoint mandatory at this position
 161 #define EP_BLK 4                // Bulk endpoint mandatory at this position
 162 #define EP_INT 5                // Interrupt endpoint mandatory at this position
 163
 164 /* this array represents all endpoints possible in the HCF-USB the last
 165 * 3 entries are the configuration number, the minimum interval for
 166 * Interrupt endpoints & boolean if E-channel logging possible
 167 */
 168 static int validconf[][19] = {
 169         // INT in, ISO out config
 170         {EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NOP, EP_INT,
 171          EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
 172          CNF_4INT3ISO, 2, 1},
 173         {EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_NUL,
 174          EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
 175          CNF_3INT3ISO, 2, 0},
 176         // ISO in, ISO out config
 177         {EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL,
 178          EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NOP, EP_ISO,
 179          CNF_4ISO3ISO, 2, 1},
 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_NUL, EP_NUL,
 182          CNF_3ISO3ISO, 2, 0},
 183         {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}        // EOL element
 184 };
 185
 186 #ifdef CONFIG_HISAX_DEBUG
 187 // string description of chosen config
 188 static char *conf_str[] = {
 189         "4 Interrupt IN + 3 Isochron OUT",
 190         "3 Interrupt IN + 3 Isochron OUT",
 191         "4 Isochron IN + 3 Isochron OUT",
 192         "3 Isochron IN + 3 Isochron OUT"
 193 };
 194 #endif
 195
 196
 197 typedef struct {
 198         int vendor;             // vendor id
 199         int prod_id;            // product id
 200         char *vend_name;        // vendor string
 201         __u8 led_scheme;        // led display scheme
 202         signed short led_bits[8];       // array of 8 possible LED bitmask settings
 203 } vendor_data;
 204
 205 #define LED_OFF      0          // no LED support
 206 #define LED_SCHEME1  1          // LED standard scheme
 207 #define LED_SCHEME2  2          // not used yet...
 208
 209 #define LED_POWER_ON    1
 210 #define LED_POWER_OFF   2
 211 #define LED_S0_ON       3
 212 #define LED_S0_OFF      4
 213 #define LED_B1_ON       5
 214 #define LED_B1_OFF      6
 215 #define LED_B1_DATA     7
 216 #define LED_B2_ON       8
 217 #define LED_B2_OFF      9
 218 #define LED_B2_DATA     10
 219
 220 #define LED_NORMAL   0          // LEDs are normal
 221 #define LED_INVERTED 1          // LEDs are inverted
 222
 223 /* time in ms to perform a Flashing LED when B-Channel has traffic */
 224 #define LED_TIME      250
 225
 226
 227 #endif                          // __HFC_USB_H__