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提交 d6c59c13 编写于 作者: M Martin Bachem 提交者： Linus Torvalds
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hisax: update hfc_usb driver 

This fixes handling of USB ISO completion error -EXDEV and includes
several other changes to current CVS version at isdn4linux.de (changes
in debug flags, style of code remarks, etc)
Signed-off-by: NMartin Bachem <info@colognechip.com>
Acked-by: NKarsten Keil <kkeil@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 36ce1514
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drivers/isdn/hisax/hfc_usb.c
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drivers/isdn/hisax/hfc_usb.h
浏览文件 @ d6c59c13
/*
* hfc_usb.h
*
* $Id: hfc_usb.h,v 4.2 2005/04/07 15:27:17 martinb1 Exp $
*/
* 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__
......@@ -10,12 +10,7 @@
#define DRIVER_AUTHOR "Peter Sprenger (sprenger@moving-byters.de)"
#define DRIVER_DESC "HFC-S USB based HiSAX ISDN driver"
#define VERBOSE_USB_DEBUG
/***********/
/* defines */
/***********/
#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 */
......@@ -52,9 +47,8 @@
#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 */
......@@ -66,9 +60,9 @@
#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
*/
* 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
......@@ -77,49 +71,36 @@
#define ISOC_PACKETS_B 8
#define ISO_BUFFER_SIZE 128
// ISO send definitions
/* 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)
/**********/
/* macros */
/**********/
/* 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)
/*******************/
/* Debugging Flags */
/*******************/
#define USB_DBG 1
#define ISDN_DBG 2
/* *********************/
/* USB related defines */
/***********************/
#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 */
/*
* 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;
......@@ -134,20 +115,20 @@ static struct hfcusb_symbolic_list urb_errlist[] = {
{-ENXIO, "URB already queued"},
{-EFBIG, "Too much ISO frames requested"},
{-ENOSR, "Buffer error (overrun)"},
{-EPIPE, "Specified endpoint is stalled"},
{-EPIPE, "Specified endpoint is stalled (device not responding)"},
{-EOVERFLOW, "Babble (bad cable?)"},
{-EPROTO, "Bit-stuff error (bad cable?)"},
{-EILSEQ, "CRC or missing token"},
{-ETIME, "Device did not respond"},
{-EILSEQ, "CRC/Timeout"},
{-ETIMEDOUT, "NAK (device does not respond)"},
{-ESHUTDOWN, "Device unplugged"},
{-1, NULL}
};
/*****************************************************/
/* device dependant information to support different */
/* ISDN Ta's using the HFC-S USB chip */
/*****************************************************/
/*
* device dependant 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
......@@ -161,10 +142,13 @@ static struct hfcusb_symbolic_list urb_errlist[] = {
#define EP_BLK 4 // Bulk endpoint mandatory at this position
#define EP_INT 5 // Interrupt endpoint mandatory at this position
/* this array represents all endpoints possible in the HCF-USB the last
* 3 entries are the configuration number, the minimum interval for
* Interrupt endpoints & boolean if E-channel logging possible
*/
/*
* 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,
......@@ -193,7 +177,6 @@ static char *conf_str[] = {
};
#endif
typedef struct {
int vendor; // vendor id
int prod_id; // product id
......@@ -220,8 +203,5 @@ typedef struct {
#define LED_NORMAL 0 // LEDs are normal
#define LED_INVERTED 1 // LEDs are inverted
/* time in ms to perform a Flashing LED when B-Channel has traffic */
#define LED_TIME 250
#endif // __HFC_USB_H__
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