207 lines
6.8 KiB
C
207 lines
6.8 KiB
C
/*
|
|
* hfc_usb.h
|
|
*
|
|
* $Id: hfc_usb.h,v 1.1.2.5 2007/08/20 14:36:03 mbachem Exp $
|
|
*/
|
|
|
|
#ifndef __HFC_USB_H__
|
|
#define __HFC_USB_H__
|
|
|
|
#define DRIVER_AUTHOR "Peter Sprenger (sprenger@moving-byters.de)"
|
|
#define DRIVER_DESC "HFC-S USB based HiSAX ISDN driver"
|
|
|
|
|
|
#define HFC_CTRL_TIMEOUT 20 /* 5ms timeout writing/reading regs */
|
|
#define HFC_TIMER_T3 8000 /* timeout for l1 activation timer */
|
|
#define HFC_TIMER_T4 500 /* time for state change interval */
|
|
|
|
#define HFCUSB_L1_STATECHANGE 0 /* L1 state changed */
|
|
#define HFCUSB_L1_DRX 1 /* D-frame received */
|
|
#define HFCUSB_L1_ERX 2 /* E-frame received */
|
|
#define HFCUSB_L1_DTX 4 /* D-frames completed */
|
|
|
|
#define MAX_BCH_SIZE 2048 /* allowed B-channel packet size */
|
|
|
|
#define HFCUSB_RX_THRESHOLD 64 /* threshold for fifo report bit rx */
|
|
#define HFCUSB_TX_THRESHOLD 64 /* threshold for fifo report bit tx */
|
|
|
|
#define HFCUSB_CHIP_ID 0x16 /* Chip ID register index */
|
|
#define HFCUSB_CIRM 0x00 /* cirm register index */
|
|
#define HFCUSB_USB_SIZE 0x07 /* int length register */
|
|
#define HFCUSB_USB_SIZE_I 0x06 /* iso length register */
|
|
#define HFCUSB_F_CROSS 0x0b /* bit order register */
|
|
#define HFCUSB_CLKDEL 0x37 /* bit delay register */
|
|
#define HFCUSB_CON_HDLC 0xfa /* channel connect register */
|
|
#define HFCUSB_HDLC_PAR 0xfb
|
|
#define HFCUSB_SCTRL 0x31 /* S-bus control register (tx) */
|
|
#define HFCUSB_SCTRL_E 0x32 /* same for E and special funcs */
|
|
#define HFCUSB_SCTRL_R 0x33 /* S-bus control register (rx) */
|
|
#define HFCUSB_F_THRES 0x0c /* threshold register */
|
|
#define HFCUSB_FIFO 0x0f /* fifo select register */
|
|
#define HFCUSB_F_USAGE 0x1a /* fifo usage register */
|
|
#define HFCUSB_MST_MODE0 0x14
|
|
#define HFCUSB_MST_MODE1 0x15
|
|
#define HFCUSB_P_DATA 0x1f
|
|
#define HFCUSB_INC_RES_F 0x0e
|
|
#define HFCUSB_STATES 0x30
|
|
|
|
#define HFCUSB_CHIPID 0x40 /* ID value of HFC-S USB */
|
|
|
|
|
|
/* fifo registers */
|
|
#define HFCUSB_NUM_FIFOS 8 /* maximum number of fifos */
|
|
#define HFCUSB_B1_TX 0 /* index for B1 transmit bulk/int */
|
|
#define HFCUSB_B1_RX 1 /* index for B1 receive bulk/int */
|
|
#define HFCUSB_B2_TX 2
|
|
#define HFCUSB_B2_RX 3
|
|
#define HFCUSB_D_TX 4
|
|
#define HFCUSB_D_RX 5
|
|
#define HFCUSB_PCM_TX 6
|
|
#define HFCUSB_PCM_RX 7
|
|
|
|
/*
|
|
* used to switch snd_transfer_mode for different TA modes e.g. the Billion USB TA just
|
|
* supports ISO out, while the Cologne Chip EVAL TA just supports BULK out
|
|
*/
|
|
#define USB_INT 0
|
|
#define USB_BULK 1
|
|
#define USB_ISOC 2
|
|
|
|
#define ISOC_PACKETS_D 8
|
|
#define ISOC_PACKETS_B 8
|
|
#define ISO_BUFFER_SIZE 128
|
|
|
|
/* Fifo flow Control for TX ISO */
|
|
#define SINK_MAX 68
|
|
#define SINK_MIN 48
|
|
#define SINK_DMIN 12
|
|
#define SINK_DMAX 18
|
|
#define BITLINE_INF (-64 * 8)
|
|
|
|
/* HFC-S USB register access by Control-URSs */
|
|
#define write_usb(a, b, c) usb_control_msg((a)->dev, (a)->ctrl_out_pipe, 0, 0x40, (c), (b), NULL, 0, HFC_CTRL_TIMEOUT)
|
|
#define read_usb(a, b, c) usb_control_msg((a)->dev, (a)->ctrl_in_pipe, 1, 0xC0, 0, (b), (c), 1, HFC_CTRL_TIMEOUT)
|
|
#define HFC_CTRL_BUFSIZE 32
|
|
|
|
/* entry and size of output/input control buffer */
|
|
typedef struct {
|
|
__u8 hfc_reg; /* register number */
|
|
__u8 reg_val; /* value to be written (or read) */
|
|
int action; /* data for action handler */
|
|
} ctrl_buft;
|
|
|
|
/* Debugging Flags */
|
|
#define HFCUSB_DBG_INIT 0x0001
|
|
#define HFCUSB_DBG_STATES 0x0002
|
|
#define HFCUSB_DBG_DCHANNEL 0x0080
|
|
#define HFCUSB_DBG_FIFO_ERR 0x4000
|
|
#define HFCUSB_DBG_VERBOSE_USB 0x8000
|
|
|
|
/*
|
|
* URB error codes:
|
|
* Used to represent a list of values and their respective symbolic names
|
|
*/
|
|
struct hfcusb_symbolic_list {
|
|
const int num;
|
|
const char *name;
|
|
};
|
|
|
|
static struct hfcusb_symbolic_list urb_errlist[] = {
|
|
{-ENOMEM, "No memory for allocation of internal structures"},
|
|
{-ENOSPC, "The host controller's bandwidth is already consumed"},
|
|
{-ENOENT, "URB was canceled by unlink_urb"},
|
|
{-EXDEV, "ISO transfer only partially completed"},
|
|
{-EAGAIN, "Too match scheduled for the future"},
|
|
{-ENXIO, "URB already queued"},
|
|
{-EFBIG, "Too much ISO frames requested"},
|
|
{-ENOSR, "Buffer error (overrun)"},
|
|
{-EPIPE, "Specified endpoint is stalled (device not responding)"},
|
|
{-EOVERFLOW, "Babble (bad cable?)"},
|
|
{-EPROTO, "Bit-stuff error (bad cable?)"},
|
|
{-EILSEQ, "CRC/Timeout"},
|
|
{-ETIMEDOUT, "NAK (device does not respond)"},
|
|
{-ESHUTDOWN, "Device unplugged"},
|
|
{-1, NULL}
|
|
};
|
|
|
|
|
|
/*
|
|
* device dependent information to support different
|
|
* ISDN Ta's using the HFC-S USB chip
|
|
*/
|
|
|
|
/* USB descriptor need to contain one of the following EndPoint combination: */
|
|
#define CNF_4INT3ISO 1 // 4 INT IN, 3 ISO OUT
|
|
#define CNF_3INT3ISO 2 // 3 INT IN, 3 ISO OUT
|
|
#define CNF_4ISO3ISO 3 // 4 ISO IN, 3 ISO OUT
|
|
#define CNF_3ISO3ISO 4 // 3 ISO IN, 3 ISO OUT
|
|
|
|
#define EP_NUL 1 // Endpoint at this position not allowed
|
|
#define EP_NOP 2 // all type of endpoints allowed at this position
|
|
#define EP_ISO 3 // Isochron endpoint mandatory at this position
|
|
#define EP_BLK 4 // Bulk endpoint mandatory at this position
|
|
#define EP_INT 5 // Interrupt endpoint mandatory at this position
|
|
|
|
/*
|
|
* List of all supported endpoint configuration sets, used to find the
|
|
* best matching endpoint configuration within a devices' USB descriptor.
|
|
* We need at least 3 RX endpoints, and 3 TX endpoints, either
|
|
* INT-in and ISO-out, or ISO-in and ISO-out)
|
|
* with 4 RX endpoints even E-Channel logging is possible
|
|
*/
|
|
static int validconf[][19] = {
|
|
// INT in, ISO out config
|
|
{EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NOP, EP_INT,
|
|
EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
|
|
CNF_4INT3ISO, 2, 1},
|
|
{EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_NUL,
|
|
EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
|
|
CNF_3INT3ISO, 2, 0},
|
|
// ISO in, ISO out config
|
|
{EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL,
|
|
EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NOP, EP_ISO,
|
|
CNF_4ISO3ISO, 2, 1},
|
|
{EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL,
|
|
EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NUL, EP_NUL,
|
|
CNF_3ISO3ISO, 2, 0},
|
|
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} // EOL element
|
|
};
|
|
|
|
#ifdef CONFIG_HISAX_DEBUG
|
|
// string description of chosen config
|
|
static char *conf_str[] = {
|
|
"4 Interrupt IN + 3 Isochron OUT",
|
|
"3 Interrupt IN + 3 Isochron OUT",
|
|
"4 Isochron IN + 3 Isochron OUT",
|
|
"3 Isochron IN + 3 Isochron OUT"
|
|
};
|
|
#endif
|
|
|
|
typedef struct {
|
|
int vendor; // vendor id
|
|
int prod_id; // product id
|
|
char *vend_name; // vendor string
|
|
__u8 led_scheme; // led display scheme
|
|
signed short led_bits[8]; // array of 8 possible LED bitmask settings
|
|
} vendor_data;
|
|
|
|
#define LED_OFF 0 // no LED support
|
|
#define LED_SCHEME1 1 // LED standard scheme
|
|
#define LED_SCHEME2 2 // not used yet...
|
|
|
|
#define LED_POWER_ON 1
|
|
#define LED_POWER_OFF 2
|
|
#define LED_S0_ON 3
|
|
#define LED_S0_OFF 4
|
|
#define LED_B1_ON 5
|
|
#define LED_B1_OFF 6
|
|
#define LED_B1_DATA 7
|
|
#define LED_B2_ON 8
|
|
#define LED_B2_OFF 9
|
|
#define LED_B2_DATA 10
|
|
|
|
#define LED_NORMAL 0 // LEDs are normal
|
|
#define LED_INVERTED 1 // LEDs are inverted
|
|
|
|
|
|
#endif // __HFC_USB_H__
|