229 lines
7.1 KiB
C
229 lines
7.1 KiB
C
/*
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* hfc_usb.h
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*
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* $Id: hfc_usb.h,v 4.1 2005/01/26 17:25:53 martinb1 Exp $
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*/
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#ifndef __HFC_USB_H__
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#define __HFC_USB_H__
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#define DRIVER_AUTHOR "Peter Sprenger (sprenger@moving-byters.de)"
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#define DRIVER_DESC "HFC-S USB based HiSAX ISDN driver"
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#define VERBOSE_USB_DEBUG
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#define TRUE 1
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#define FALSE 0
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/***********/
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/* defines */
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/***********/
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#define HFC_CTRL_TIMEOUT 20 /* 5ms timeout writing/reading regs */
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#define HFC_TIMER_T3 8000 /* timeout for l1 activation timer */
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#define HFC_TIMER_T4 500 /* time for state change interval */
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#define HFCUSB_L1_STATECHANGE 0 /* L1 state changed */
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#define HFCUSB_L1_DRX 1 /* D-frame received */
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#define HFCUSB_L1_ERX 2 /* E-frame received */
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#define HFCUSB_L1_DTX 4 /* D-frames completed */
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#define MAX_BCH_SIZE 2048 /* allowed B-channel packet size */
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#define HFCUSB_RX_THRESHOLD 64 /* threshold for fifo report bit rx */
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#define HFCUSB_TX_THRESHOLD 64 /* threshold for fifo report bit tx */
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#define HFCUSB_CHIP_ID 0x16 /* Chip ID register index */
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#define HFCUSB_CIRM 0x00 /* cirm register index */
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#define HFCUSB_USB_SIZE 0x07 /* int length register */
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#define HFCUSB_USB_SIZE_I 0x06 /* iso length register */
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#define HFCUSB_F_CROSS 0x0b /* bit order register */
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#define HFCUSB_CLKDEL 0x37 /* bit delay register */
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#define HFCUSB_CON_HDLC 0xfa /* channel connect register */
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#define HFCUSB_HDLC_PAR 0xfb
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#define HFCUSB_SCTRL 0x31 /* S-bus control register (tx) */
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#define HFCUSB_SCTRL_E 0x32 /* same for E and special funcs */
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#define HFCUSB_SCTRL_R 0x33 /* S-bus control register (rx) */
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#define HFCUSB_F_THRES 0x0c /* threshold register */
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#define HFCUSB_FIFO 0x0f /* fifo select register */
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#define HFCUSB_F_USAGE 0x1a /* fifo usage register */
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#define HFCUSB_MST_MODE0 0x14
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#define HFCUSB_MST_MODE1 0x15
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#define HFCUSB_P_DATA 0x1f
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#define HFCUSB_INC_RES_F 0x0e
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#define HFCUSB_STATES 0x30
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#define HFCUSB_CHIPID 0x40 /* ID value of HFC-S USB */
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/******************/
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/* fifo registers */
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/******************/
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#define HFCUSB_NUM_FIFOS 8 /* maximum number of fifos */
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#define HFCUSB_B1_TX 0 /* index for B1 transmit bulk/int */
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#define HFCUSB_B1_RX 1 /* index for B1 receive bulk/int */
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#define HFCUSB_B2_TX 2
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#define HFCUSB_B2_RX 3
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#define HFCUSB_D_TX 4
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#define HFCUSB_D_RX 5
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#define HFCUSB_PCM_TX 6
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#define HFCUSB_PCM_RX 7
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/*
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* used to switch snd_transfer_mode for different TA modes e.g. the Billion USB TA just
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* supports ISO out, while the Cologne Chip EVAL TA just supports BULK out
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*/
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#define USB_INT 0
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#define USB_BULK 1
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#define USB_ISOC 2
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#define ISOC_PACKETS_D 8
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#define ISOC_PACKETS_B 8
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#define ISO_BUFFER_SIZE 128
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// ISO send definitions
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#define SINK_MAX 68
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#define SINK_MIN 48
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#define SINK_DMIN 12
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#define SINK_DMAX 18
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#define BITLINE_INF (-64*8)
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/**********/
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/* macros */
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/**********/
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#define write_usb(a,b,c)usb_control_msg((a)->dev,(a)->ctrl_out_pipe,0,0x40,(c),(b),0,0,HFC_CTRL_TIMEOUT)
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#define read_usb(a,b,c) usb_control_msg((a)->dev,(a)->ctrl_in_pipe,1,0xC0,0,(b),(c),1,HFC_CTRL_TIMEOUT)
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/*******************/
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/* Debugging Flags */
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/*******************/
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#define USB_DBG 1
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#define ISDN_DBG 2
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/* *********************/
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/* USB related defines */
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/***********************/
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#define HFC_CTRL_BUFSIZE 32
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/*************************************************/
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/* entry and size of output/input control buffer */
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/*************************************************/
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typedef struct {
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__u8 hfc_reg; /* register number */
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__u8 reg_val; /* value to be written (or read) */
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int action; /* data for action handler */
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} ctrl_buft;
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/********************/
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/* URB error codes: */
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/********************/
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/* Used to represent a list of values and their respective symbolic names */
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struct hfcusb_symbolic_list {
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const int num;
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const char *name;
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};
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static struct hfcusb_symbolic_list urb_errlist[] = {
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{-ENOMEM, "No memory for allocation of internal structures"},
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{-ENOSPC, "The host controller's bandwidth is already consumed"},
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{-ENOENT, "URB was canceled by unlink_urb"},
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{-EXDEV, "ISO transfer only partially completed"},
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{-EAGAIN, "Too match scheduled for the future"},
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{-ENXIO, "URB already queued"},
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{-EFBIG, "Too much ISO frames requested"},
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{-ENOSR, "Buffer error (overrun)"},
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{-EPIPE, "Specified endpoint is stalled (device not responding)"},
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{-EOVERFLOW, "Babble (bad cable?)"},
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{-EPROTO, "Bit-stuff error (bad cable?)"},
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{-EILSEQ, "CRC/Timeout"},
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{-ETIMEDOUT, "NAK (device does not respond)"},
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{-ESHUTDOWN, "Device unplugged"},
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{-1, NULL}
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};
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/*****************************************************/
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/* device dependant information to support different */
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/* ISDN Ta's using the HFC-S USB chip */
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/*****************************************************/
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/* USB descriptor need to contain one of the following EndPoint combination: */
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#define CNF_4INT3ISO 1 // 4 INT IN, 3 ISO OUT
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#define CNF_3INT3ISO 2 // 3 INT IN, 3 ISO OUT
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#define CNF_4ISO3ISO 3 // 4 ISO IN, 3 ISO OUT
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#define CNF_3ISO3ISO 4 // 3 ISO IN, 3 ISO OUT
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#define EP_NUL 1 // Endpoint at this position not allowed
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#define EP_NOP 2 // all type of endpoints allowed at this position
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#define EP_ISO 3 // Isochron endpoint mandatory at this position
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#define EP_BLK 4 // Bulk endpoint mandatory at this position
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#define EP_INT 5 // Interrupt endpoint mandatory at this position
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/* this array represents all endpoints possible in the HCF-USB the last
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* 3 entries are the configuration number, the minimum interval for
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* Interrupt endpoints & boolean if E-channel logging possible
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*/
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static int validconf[][19] = {
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// INT in, ISO out config
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{EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NOP, EP_INT,
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EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
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CNF_4INT3ISO, 2, 1},
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{EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_NUL,
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EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
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CNF_3INT3ISO, 2, 0},
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// ISO in, ISO out config
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{EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL,
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EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NOP, EP_ISO,
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CNF_4ISO3ISO, 2, 1},
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{EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL,
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EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NUL, EP_NUL,
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CNF_3ISO3ISO, 2, 0},
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{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} // EOL element
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};
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// string description of chosen config
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static char *conf_str[] = {
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"4 Interrupt IN + 3 Isochron OUT",
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"3 Interrupt IN + 3 Isochron OUT",
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"4 Isochron IN + 3 Isochron OUT",
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"3 Isochron IN + 3 Isochron OUT"
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};
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typedef struct {
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int vendor; // vendor id
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int prod_id; // product id
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char *vend_name; // vendor string
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__u8 led_scheme; // led display scheme
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signed short led_bits[8]; // array of 8 possible LED bitmask settings
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} vendor_data;
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#define LED_OFF 0 // no LED support
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#define LED_SCHEME1 1 // LED standard scheme
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#define LED_SCHEME2 2 // not used yet...
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#define LED_POWER_ON 1
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#define LED_POWER_OFF 2
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#define LED_S0_ON 3
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#define LED_S0_OFF 4
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#define LED_B1_ON 5
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#define LED_B1_OFF 6
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#define LED_B1_DATA 7
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#define LED_B2_ON 8
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#define LED_B2_OFF 9
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#define LED_B2_DATA 10
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#define LED_NORMAL 0 // LEDs are normal
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#define LED_INVERTED 1 // LEDs are inverted
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/* time in ms to perform a Flashing LED when B-Channel has traffic */
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#define LED_TIME 250
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#endif // __HFC_USB_H__
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