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: Martin Bachem <info@colognechip.com>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/isdn/hisax/hfc_usb.h b/drivers/isdn/hisax/hfc_usb.h
index 471f235..e79f565 100644
--- a/drivers/isdn/hisax/hfc_usb.h
+++ b/drivers/isdn/hisax/hfc_usb.h
@@ -1,8 +1,8 @@
/*
-* 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__
@@ -10,25 +10,20 @@
#define DRIVER_AUTHOR "Peter Sprenger (sprenger@moving-byters.de)"
#define DRIVER_DESC "HFC-S USB based HiSAX ISDN driver"
-#define VERBOSE_USB_DEBUG
+#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 */
-/***********/
-/* 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 */
+#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 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 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_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 */
@@ -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 @@
{-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
@@ -155,16 +136,19 @@
#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
+#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
-/* 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 @@
};
#endif
-
typedef struct {
int vendor; // vendor id
int prod_id; // product id
@@ -202,9 +185,9 @@
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_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
@@ -217,11 +200,8 @@
#define LED_B2_OFF 9
#define LED_B2_DATA 10
-#define LED_NORMAL 0 // LEDs are normal
-#define LED_INVERTED 1 // LEDs are inverted
-
-/* time in ms to perform a Flashing LED when B-Channel has traffic */
-#define LED_TIME 250
+#define LED_NORMAL 0 // LEDs are normal
+#define LED_INVERTED 1 // LEDs are inverted
-#endif // __HFC_USB_H__
+#endif // __HFC_USB_H__