-/* Siemens Gigaset 307x driver
+/*
+ * Siemens Gigaset 307x driver
* Common header file for all connection variants
*
- * Written by Stefan Eilers <Eilers.Stefan@epost.de>
+ * Written by Stefan Eilers
* and Hansjoerg Lipp <hjlipp@web.de>
*
- * Version: $Id: gigaset.h,v 1.97.4.26 2006/02/04 18:28:16 hjlipp Exp $
- * ===========================================================================
+ * =====================================================================
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ * =====================================================================
*/
#ifndef GIGASET_H
#define GIGASET_H
-#include <linux/config.h>
+/* define global prefix for pr_ macros in linux/kernel.h */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/types.h>
-#include <asm/atomic.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
-#include <linux/isdnif.h>
#include <linux/usb.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/list.h>
+#include <asm/atomic.h>
-#define GIG_VERSION {0,5,0,0}
-#define GIG_COMPAT {0,4,0,0}
+#define GIG_VERSION {0, 5, 0, 0}
+#define GIG_COMPAT {0, 4, 0, 0}
-#define MAX_REC_PARAMS 10 /* Max. number of params in response string */
-#define MAX_RESP_SIZE 512 /* Max. size of a response string */
-#define HW_HDR_LEN 2 /* Header size used to store ack info */
+#define MAX_REC_PARAMS 10 /* Max. number of params in response string */
+#define MAX_RESP_SIZE 511 /* Max. size of a response string */
-#define MAX_EVENTS 64 /* size of event queue */
+#define MAX_EVENTS 64 /* size of event queue */
#define RBUFSIZE 8192
-#define SBUFSIZE 4096 /* sk_buff payload size */
+#define SBUFSIZE 4096 /* sk_buff payload size */
-#define MAX_BUF_SIZE (SBUFSIZE - 2) /* Max. size of a data packet from LL */
-#define TRANSBUFSIZE 768 /* bytes per skb for transparent receive */
+#define TRANSBUFSIZE 768 /* bytes per skb for transparent receive */
+#define MAX_BUF_SIZE (SBUFSIZE - 2) /* Max. size of a data packet from LL */
/* compile time options */
#define GIG_MAJOR 0
#define GIG_RETRYCID
#define GIG_X75
-#define MAX_TIMER_INDEX 1000
-#define MAX_SEQ_INDEX 1000
-
-#define GIG_TICK (HZ / 10)
+#define GIG_TICK 100 /* in milliseconds */
/* timeout values (unit: 1 sec) */
#define INIT_TIMEOUT 1
#define MAXACT 3
-#define IFNULL(a) if (unlikely(!(a)))
-#define IFNULLRET(a) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); return; }
-#define IFNULLRETVAL(a,b) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); return (b); }
-#define IFNULLCONT(a) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); continue; }
-#define IFNULLGOTO(a,b) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); goto b; }
-
extern int gigaset_debuglevel; /* "needs" cast to (enum debuglevel) */
-/* any combination of these can be given with the 'debug=' parameter to insmod, e.g.
- * 'insmod usb_gigaset.o debug=0x2c' will set DEBUG_OPEN, DEBUG_CMD and DEBUG_INTR. */
-enum debuglevel { /* up to 24 bits (atomic_t) */
- DEBUG_REG = 0x0002, /* serial port I/O register operations */
- DEBUG_OPEN = 0x0004, /* open/close serial port */
- DEBUG_INTR = 0x0008, /* interrupt processing */
- DEBUG_INTR_DUMP = 0x0010, /* Activating hexdump debug output on interrupt
- requests, not available as run-time option */
+/* debug flags, combine by adding/bitwise OR */
+enum debuglevel {
+ DEBUG_INTR = 0x00008, /* interrupt processing */
DEBUG_CMD = 0x00020, /* sent/received LL commands */
DEBUG_STREAM = 0x00040, /* application data stream I/O events */
DEBUG_STREAM_DUMP = 0x00080, /* application data stream content */
DEBUG_LLDATA = 0x00100, /* sent/received LL data */
- DEBUG_INTR_0 = 0x00200, /* serial port output interrupt processing */
+ DEBUG_EVENT = 0x00200, /* event processing */
DEBUG_DRIVER = 0x00400, /* driver structure */
DEBUG_HDLC = 0x00800, /* M10x HDLC processing */
- DEBUG_WRITE = 0x01000, /* M105 data write */
- DEBUG_TRANSCMD = 0x02000, /*AT-COMMANDS+RESPONSES*/
- DEBUG_MCMD = 0x04000, /*COMMANDS THAT ARE SENT VERY OFTEN*/
- DEBUG_INIT = 0x08000, /* (de)allocation+initialization of data structures */
- DEBUG_LOCK = 0x10000, /* semaphore operations */
+ DEBUG_CHANNEL = 0x01000, /* channel allocation/deallocation */
+ DEBUG_TRANSCMD = 0x02000, /* AT-COMMANDS+RESPONSES */
+ DEBUG_MCMD = 0x04000, /* COMMANDS THAT ARE SENT VERY OFTEN */
+ DEBUG_INIT = 0x08000, /* (de)allocation+initialization of data
+ structures */
+ DEBUG_SUSPEND = 0x10000, /* suspend/resume processing */
DEBUG_OUTPUT = 0x20000, /* output to device */
- DEBUG_ISO = 0x40000, /* isochronous transfers */
+ DEBUG_ISO = 0x40000, /* isochronous transfers */
DEBUG_IF = 0x80000, /* character device operations */
- DEBUG_USBREQ = 0x100000, /* USB communication (except payload data) */
- DEBUG_LOCKCMD = 0x200000, /* AT commands and responses when MS_LOCKED */
+ DEBUG_USBREQ = 0x100000, /* USB communication (except payload
+ data) */
+ DEBUG_LOCKCMD = 0x200000, /* AT commands and responses when
+ MS_LOCKED */
- DEBUG_ANY = 0x3fffff, /* print message if any of the others is activated */
+ DEBUG_ANY = 0x3fffff, /* print message if any of the others is
+ activated */
};
#ifdef CONFIG_GIGASET_DEBUG
-#define DEBUG_DEFAULT (DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ)
-//#define DEBUG_DEFAULT (DEBUG_LOCK | DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUF_IF | DEBUG_DRIVER | DEBUG_OUTPUT | DEBUG_INTR)
-#else
-#define DEBUG_DEFAULT 0
-#endif
-
-/* redefine syslog macros to prepend module name instead of entire source path */
-/* The space before the comma in ", ##" is needed by gcc 2.95 */
-#undef info
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
-#undef notice
-#define notice(format, arg...) printk(KERN_NOTICE "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
+#define gig_dbg(level, format, arg...) \
+ do { \
+ if (unlikely(((enum debuglevel)gigaset_debuglevel) & (level))) \
+ printk(KERN_DEBUG KBUILD_MODNAME ": " format "\n", \
+ ## arg); \
+ } while (0)
+#define DEBUG_DEFAULT (DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ)
-#undef warn
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
+#else
-#undef err
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
+#define gig_dbg(level, format, arg...) do {} while (0)
+#define DEBUG_DEFAULT 0
-#undef dbg
-#ifdef CONFIG_GIGASET_DEBUG
-#define dbg(level, format, arg...) do { if (unlikely(((enum debuglevel)gigaset_debuglevel) & (level))) \
- printk(KERN_DEBUG "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg); } while (0)
-#else
-#define dbg(level, format, arg...) do {} while (0)
#endif
void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
- size_t len, const unsigned char *buf, int from_user);
+ size_t len, const unsigned char *buf);
/* connection state */
#define ZSAU_NONE 0
#define ZSAU_UNKNOWN -1
/* USB control transfer requests */
-#define OUT_VENDOR_REQ (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
-#define IN_VENDOR_REQ (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
+#define OUT_VENDOR_REQ (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
+#define IN_VENDOR_REQ (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
-/* int-in-events 3070 */
+/* interrupt pipe messages */
#define HD_B1_FLOW_CONTROL 0x80
#define HD_B2_FLOW_CONTROL 0x81
-#define HD_RECEIVEATDATA_ACK (0x35) // 3070 // att: HD_RECEIVE>>AT<<DATA_ACK
-#define HD_READY_SEND_ATDATA (0x36) // 3070
-#define HD_OPEN_ATCHANNEL_ACK (0x37) // 3070
-#define HD_CLOSE_ATCHANNEL_ACK (0x38) // 3070
-#define HD_DEVICE_INIT_OK (0x11) // ISurf USB + 3070
-#define HD_OPEN_B1CHANNEL_ACK (0x51) // ISurf USB + 3070
-#define HD_OPEN_B2CHANNEL_ACK (0x52) // ISurf USB + 3070
-#define HD_CLOSE_B1CHANNEL_ACK (0x53) // ISurf USB + 3070
-#define HD_CLOSE_B2CHANNEL_ACK (0x54) // ISurf USB + 3070
-// Powermangment
-#define HD_SUSPEND_END (0x61) // ISurf USB
-// Configuration
-#define HD_RESET_INTERRUPT_PIPE_ACK (0xFF) // ISurf USB + 3070
-
-/* control requests 3070 */
-#define HD_OPEN_B1CHANNEL (0x23) // ISurf USB + 3070
-#define HD_CLOSE_B1CHANNEL (0x24) // ISurf USB + 3070
-#define HD_OPEN_B2CHANNEL (0x25) // ISurf USB + 3070
-#define HD_CLOSE_B2CHANNEL (0x26) // ISurf USB + 3070
-#define HD_RESET_INTERRUPT_PIPE (0x27) // ISurf USB + 3070
-#define HD_DEVICE_INIT_ACK (0x34) // ISurf USB + 3070
-#define HD_WRITE_ATMESSAGE (0x12) // 3070
-#define HD_READ_ATMESSAGE (0x13) // 3070
-#define HD_OPEN_ATCHANNEL (0x28) // 3070
-#define HD_CLOSE_ATCHANNEL (0x29) // 3070
+#define HD_RECEIVEATDATA_ACK (0x35) /* 3070 */
+#define HD_READY_SEND_ATDATA (0x36) /* 3070 */
+#define HD_OPEN_ATCHANNEL_ACK (0x37) /* 3070 */
+#define HD_CLOSE_ATCHANNEL_ACK (0x38) /* 3070 */
+#define HD_DEVICE_INIT_OK (0x11) /* ISurf USB + 3070 */
+#define HD_OPEN_B1CHANNEL_ACK (0x51) /* ISurf USB + 3070 */
+#define HD_OPEN_B2CHANNEL_ACK (0x52) /* ISurf USB + 3070 */
+#define HD_CLOSE_B1CHANNEL_ACK (0x53) /* ISurf USB + 3070 */
+#define HD_CLOSE_B2CHANNEL_ACK (0x54) /* ISurf USB + 3070 */
+#define HD_SUSPEND_END (0x61) /* ISurf USB */
+#define HD_RESET_INTERRUPT_PIPE_ACK (0xFF) /* ISurf USB + 3070 */
+
+/* control requests */
+#define HD_OPEN_B1CHANNEL (0x23) /* ISurf USB + 3070 */
+#define HD_CLOSE_B1CHANNEL (0x24) /* ISurf USB + 3070 */
+#define HD_OPEN_B2CHANNEL (0x25) /* ISurf USB + 3070 */
+#define HD_CLOSE_B2CHANNEL (0x26) /* ISurf USB + 3070 */
+#define HD_RESET_INTERRUPT_PIPE (0x27) /* ISurf USB + 3070 */
+#define HD_DEVICE_INIT_ACK (0x34) /* ISurf USB + 3070 */
+#define HD_WRITE_ATMESSAGE (0x12) /* 3070 */
+#define HD_READ_ATMESSAGE (0x13) /* 3070 */
+#define HD_OPEN_ATCHANNEL (0x28) /* 3070 */
+#define HD_CLOSE_ATCHANNEL (0x29) /* 3070 */
+
+/* number of B channels supported by base driver */
+#define BAS_CHANNELS 2
/* USB frames for isochronous transfer */
-#define BAS_FRAMETIME 1 /* number of milliseconds between frames */
-#define BAS_NUMFRAMES 8 /* number of frames per URB */
-#define BAS_MAXFRAME 16 /* allocated bytes per frame */
-#define BAS_NORMFRAME 8 /* send size without flow control */
-#define BAS_HIGHFRAME 10 /* " " with positive flow control */
-#define BAS_LOWFRAME 5 /* " " with negative flow control */
-#define BAS_CORRFRAMES 4 /* flow control multiplicator */
-
-#define BAS_INBUFSIZE (BAS_MAXFRAME * BAS_NUMFRAMES) /* size of isochronous input buffer per URB */
-#define BAS_OUTBUFSIZE 4096 /* size of common isochronous output buffer */
-#define BAS_OUTBUFPAD BAS_MAXFRAME /* size of pad area for isochronous output buffer */
+#define BAS_FRAMETIME 1 /* number of milliseconds between frames */
+#define BAS_NUMFRAMES 8 /* number of frames per URB */
+#define BAS_MAXFRAME 16 /* allocated bytes per frame */
+#define BAS_NORMFRAME 8 /* send size without flow control */
+#define BAS_HIGHFRAME 10 /* " " with positive flow control */
+#define BAS_LOWFRAME 5 /* " " with negative flow control */
+#define BAS_CORRFRAMES 4 /* flow control multiplicator */
+
+#define BAS_INBUFSIZE (BAS_MAXFRAME * BAS_NUMFRAMES)
+ /* size of isoc in buf per URB */
+#define BAS_OUTBUFSIZE 4096 /* size of common isoc out buffer */
+#define BAS_OUTBUFPAD BAS_MAXFRAME /* size of pad area for isoc out buf */
#define BAS_INURBS 3
#define BAS_OUTURBS 3
#define AT_PROTO 4
#define AT_TYPE 5
#define AT_HLC 6
-#define AT_NUM 7
+#define AT_CLIP 7
+/* total number */
+#define AT_NUM 8
/* variables in struct at_state_t */
-#define VAR_ZSAU 0
-#define VAR_ZDLE 1
-#define VAR_ZVLS 2
-#define VAR_ZCTP 3
-#define VAR_NUM 4
-
-#define STR_NMBR 0
-#define STR_ZCPN 1
-#define STR_ZCON 2
-#define STR_ZBC 3
-#define STR_ZHLC 4
-#define STR_NUM 5
-
-#define EV_TIMEOUT -105
-#define EV_IF_VER -106
-#define EV_PROC_CIDMODE -107
-#define EV_SHUTDOWN -108
-#define EV_START -110
-#define EV_STOP -111
-#define EV_IF_LOCK -112
-#define EV_PROTO_L2 -113
-#define EV_ACCEPT -114
-#define EV_DIAL -115
-#define EV_HUP -116
-#define EV_BC_OPEN -117
-#define EV_BC_CLOSED -118
+#define VAR_ZSAU 0
+#define VAR_ZDLE 1
+#define VAR_ZVLS 2
+#define VAR_ZCTP 3
+#define VAR_NUM 4
+
+#define STR_NMBR 0
+#define STR_ZCPN 1
+#define STR_ZCON 2
+#define STR_ZBC 3
+#define STR_ZHLC 4
+#define STR_NUM 5
+
+#define EV_TIMEOUT -105
+#define EV_IF_VER -106
+#define EV_PROC_CIDMODE -107
+#define EV_SHUTDOWN -108
+#define EV_START -110
+#define EV_STOP -111
+#define EV_IF_LOCK -112
+#define EV_ACCEPT -114
+#define EV_DIAL -115
+#define EV_HUP -116
+#define EV_BC_OPEN -117
+#define EV_BC_CLOSED -118
/* input state */
-#define INS_command 0x0001
-#define INS_DLE_char 0x0002
-#define INS_byte_stuff 0x0004
-#define INS_have_data 0x0008
-#define INS_skip_frame 0x0010
-#define INS_DLE_command 0x0020
+#define INS_command 0x0001 /* receiving messages (not payload data) */
+#define INS_DLE_char 0x0002 /* DLE flag received (in DLE mode) */
+#define INS_byte_stuff 0x0004
+#define INS_have_data 0x0008
+#define INS_DLE_command 0x0020 /* DLE message start (<DLE> X) received */
#define INS_flag_hunt 0x0040
/* channel state */
#define CHS_B_UP 0x02
#define CHS_NOTIFY_LL 0x04
-#define ICALL_REJECT 0
-#define ICALL_ACCEPT 1
-#define ICALL_IGNORE 2
+#define ICALL_REJECT 0
+#define ICALL_ACCEPT 1
+#define ICALL_IGNORE 2
/* device state */
-#define MS_UNINITIALIZED 0
-#define MS_INIT 1
-#define MS_LOCKED 2
-#define MS_SHUTDOWN 3
-#define MS_RECOVER 4
-#define MS_READY 5
+#define MS_UNINITIALIZED 0
+#define MS_INIT 1
+#define MS_LOCKED 2
+#define MS_SHUTDOWN 3
+#define MS_RECOVER 4
+#define MS_READY 5
/* mode */
-#define M_UNKNOWN 0
-#define M_CONFIG 1
-#define M_UNIMODEM 2
-#define M_CID 3
+#define M_UNKNOWN 0
+#define M_CONFIG 1
+#define M_UNIMODEM 2
+#define M_CID 3
/* start mode */
-#define SM_LOCKED 0
-#define SM_ISDN 1 /* default */
+#define SM_LOCKED 0
+#define SM_ISDN 1 /* default */
+
+/* layer 2 protocols (AT^SBPR=...) */
+#define L2_BITSYNC 0
+#define L2_HDLC 1
+#define L2_VOICE 2
struct gigaset_ops;
struct gigaset_driver;
struct bas_bc_state;
struct reply_t {
- int resp_code; /* RSP_XXXX */
- int min_ConState; /* <0 => ignore */
- int max_ConState; /* <0 => ignore */
- int parameter; /* e.g. ZSAU_XXXX <0: ignore*/
- int new_ConState; /* <0 => ignore */
- int timeout; /* >0 => *HZ; <=0 => TOUT_XXXX*/
- int action[MAXACT]; /* ACT_XXXX */
- char *command; /* NULL==none */
+ int resp_code; /* RSP_XXXX */
+ int min_ConState; /* <0 => ignore */
+ int max_ConState; /* <0 => ignore */
+ int parameter; /* e.g. ZSAU_XXXX <0: ignore*/
+ int new_ConState; /* <0 => ignore */
+ int timeout; /* >0 => *HZ; <=0 => TOUT_XXXX*/
+ int action[MAXACT]; /* ACT_XXXX */
+ char *command; /* NULL==none */
};
-extern struct reply_t gigaset_tab_cid_m10x[];
-extern struct reply_t gigaset_tab_nocid_m10x[];
+extern struct reply_t gigaset_tab_cid[];
+extern struct reply_t gigaset_tab_nocid[];
struct inbuf_t {
- unsigned char *rcvbuf; /* usb-gigaset receive buffer */
- struct bc_state *bcs;
- struct cardstate *cs;
- int inputstate;
-
- atomic_t head, tail;
- unsigned char data[RBUFSIZE];
+ struct cardstate *cs;
+ int inputstate;
+ int head, tail;
+ unsigned char data[RBUFSIZE];
};
/* isochronous write buffer structure
* if writesem <= 0, data[write..read-1] is currently being written to
* - idle contains the byte value to repeat when the end of valid data is
* reached; if nextread==write (buffer contains no data to send), either the
- * BAS_OUTBUFPAD bytes immediately before data[write] (if write>=BAS_OUTBUFPAD)
- * or those of the pad area (if write<BAS_OUTBUFPAD) are also filled with that
- * value
- * - optionally, the following statistics on the buffer's usage can be collected:
- * maxfill: maximum number of bytes occupied
- * idlefills: number of times a frame of idle bytes is prepared
- * emptygets: number of times the buffer was empty when a data frame was requested
- * backtoback: number of times two data packets were entered into the buffer
- * without intervening idle flags
- * nakedback: set if no idle flags have been inserted since the last data packet
+ * BAS_OUTBUFPAD bytes immediately before data[write] (if
+ * write>=BAS_OUTBUFPAD) or those of the pad area (if write<BAS_OUTBUFPAD)
+ * are also filled with that value
*/
struct isowbuf_t {
- atomic_t read;
- atomic_t nextread;
- atomic_t write;
+ int read;
+ int nextread;
+ int write;
atomic_t writesem;
int wbits;
unsigned char data[BAS_OUTBUFSIZE + BAS_OUTBUFPAD];
* - urb: pointer to the URB itself
* - bcs: pointer to the B Channel control structure
* - limit: end of write buffer area covered by this URB
+ * - status: URB completion status
*/
struct isow_urbctx_t {
struct urb *urb;
struct bc_state *bcs;
int limit;
+ int status;
};
/* AT state structure
* it is currently assigned a B channel
*/
struct at_state_t {
- struct list_head list;
- int waiting;
- int getstring;
- atomic_t timer_index;
+ struct list_head list;
+ int waiting;
+ int getstring;
+ unsigned timer_index;
unsigned long timer_expires;
int timer_active;
- unsigned int ConState; /* State of connection */
- struct reply_t *replystruct;
- int cid;
- int int_var[VAR_NUM]; /* see VAR_XXXX */
- char *str_var[STR_NUM]; /* see STR_XXXX */
- unsigned pending_commands; /* see PC_XXXX */
- atomic_t seq_index;
-
- struct cardstate *cs;
- struct bc_state *bcs;
-};
-
-struct resp_type_t {
- unsigned char *response;
- int resp_code; /* RSP_XXXX */
- int type; /* RT_XXXX */
-};
-
-struct prot_skb {
- atomic_t empty;
- struct semaphore *sem;
- struct sk_buff *skb;
+ unsigned int ConState; /* State of connection */
+ struct reply_t *replystruct;
+ int cid;
+ int int_var[VAR_NUM]; /* see VAR_XXXX */
+ char *str_var[STR_NUM]; /* see STR_XXXX */
+ unsigned pending_commands; /* see PC_XXXX */
+ unsigned seq_index;
+
+ struct cardstate *cs;
+ struct bc_state *bcs;
};
struct event_t {
/* This buffer holds all information about the used B-Channel */
struct bc_state {
- struct sk_buff *tx_skb; /* Current transfer buffer to modem */
- struct sk_buff_head squeue; /* B-Channel send Queue */
+ struct sk_buff *tx_skb; /* Current transfer buffer to modem */
+ struct sk_buff_head squeue; /* B-Channel send Queue */
/* Variables for debugging .. */
- int corrupted; /* Counter for corrupted packages */
- int trans_down; /* Counter of packages (downstream) */
- int trans_up; /* Counter of packages (upstream) */
+ int corrupted; /* Counter for corrupted packages */
+ int trans_down; /* Counter of packages (downstream) */
+ int trans_up; /* Counter of packages (upstream) */
struct at_state_t at_state;
- unsigned long rcvbytes;
__u16 fcs;
struct sk_buff *skb;
- int inputstate; /* see INS_XXXX */
+ int inputstate; /* see INS_XXXX */
int channel;
struct cardstate *cs;
- unsigned chstate; /* bitmap (CHS_*) */
+ unsigned chstate; /* bitmap (CHS_*) */
int ignore;
- unsigned proto2; /* Layer 2 protocol (ISDN_PROTO_L2_*) */
- char *commands[AT_NUM]; /* see AT_XXXX */
+ unsigned proto2; /* layer 2 protocol (L2_*) */
+ char *commands[AT_NUM]; /* see AT_XXXX */
#ifdef CONFIG_GIGASET_DEBUG
int emptycount;
int busy;
int use_count;
- /* hardware drivers */
+ /* private data of hardware drivers */
union {
- struct ser_bc_state *ser; /* private data of serial hardware driver */
- struct usb_bc_state *usb; /* private data of usb hardware driver */
- struct bas_bc_state *bas;
+ struct ser_bc_state *ser; /* serial hardware driver */
+ struct usb_bc_state *usb; /* usb hardware driver (m105) */
+ struct bas_bc_state *bas; /* usb hardware driver (base) */
} hw;
+
+ void *ap; /* LL application structure */
};
struct cardstate {
struct gigaset_driver *driver;
unsigned minor_index;
+ struct device *dev;
+ struct device *tty_dev;
+ unsigned flags;
const struct gigaset_ops *ops;
/* Stuff to handle communication */
- //wait_queue_head_t initwait;
wait_queue_head_t waitqueue;
int waiting;
- atomic_t mode; /* see M_XXXX */
- atomic_t mstate; /* Modem state: see MS_XXXX */
- /* only changed by the event layer */
+ int mode; /* see M_XXXX */
+ int mstate; /* Modem state: see MS_XXXX */
+ /* only changed by the event layer */
int cmd_result;
int channels;
- struct bc_state *bcs; /* Array of struct bc_state */
+ struct bc_state *bcs; /* Array of struct bc_state */
- int onechannel; /* data and commands transmitted in one stream (M10x) */
+ int onechannel; /* data and commands transmitted in one
+ stream (M10x) */
spinlock_t lock;
- struct at_state_t at_state; /* at_state_t for cid == 0 */
- struct list_head temp_at_states; /* list of temporary "struct at_state_t"s without B channel */
+ struct at_state_t at_state; /* at_state_t for cid == 0 */
+ struct list_head temp_at_states;/* list of temporary "struct
+ at_state_t"s without B channel */
struct inbuf_t *inbuf;
unsigned fwver[4];
int gotfwver;
- atomic_t running; /* !=0 if events are handled */
- atomic_t connected; /* !=0 if hardware is connected */
+ unsigned running; /* !=0 if events are handled */
+ unsigned connected; /* !=0 if hardware is connected */
+ unsigned isdn_up; /* !=0 after gigaset_isdn_start() */
- atomic_t cidmode;
+ unsigned cidmode;
- int myid; /* id for communication with LL */
- isdn_if iif;
+ int myid; /* id for communication with LL */
+ void *iif; /* LL interface structure */
+ unsigned short hw_hdr_len; /* headroom needed in data skbs */
struct reply_t *tabnocid;
struct reply_t *tabcid;
int cs_init;
- int ignoreframes; /* frames to ignore after setting up the B channel */
- struct semaphore sem; /* locks this structure: */
- /* connected is not changed, */
- /* hardware_up is not changed, */
- /* MState is not changed to or from MS_LOCKED */
+ int ignoreframes; /* frames to ignore after setting up the
+ B channel */
+ struct mutex mutex; /* locks this structure:
+ * connected is not changed,
+ * hardware_up is not changed,
+ * MState is not changed to or from
+ * MS_LOCKED */
struct timer_list timer;
int retry_count;
- int dle; /* !=0 if modem commands/responses are dle encoded */
- int cur_at_seq; /* sequence of AT commands being processed */
- int curchannel; /* channel, those commands are meant for */
- atomic_t commands_pending; /* flag(s) in xxx.commands_pending have been set */
- struct tasklet_struct event_tasklet; /* tasklet for serializing AT commands. Scheduled
- * -> for modem reponses (and incomming data for M10x)
- * -> on timeout
- * -> after setting bits in xxx.at_state.pending_command
- * (e.g. command from LL) */
- struct tasklet_struct write_tasklet; /* tasklet for serial output
- * (not used in base driver) */
+ int dle; /* !=0 if DLE mode is active
+ (ZDLE=1 received -- M10x only) */
+ int cur_at_seq; /* sequence of AT commands being
+ processed */
+ int curchannel; /* channel those commands are meant
+ for */
+ int commands_pending; /* flag(s) in xxx.commands_pending have
+ been set */
+ struct tasklet_struct event_tasklet;
+ /* tasklet for serializing AT commands.
+ * Scheduled
+ * -> for modem reponses (and
+ * incoming data for M10x)
+ * -> on timeout
+ * -> after setting bits in
+ * xxx.at_state.pending_command
+ * (e.g. command from LL) */
+ struct tasklet_struct write_tasklet;
+ /* tasklet for serial output
+ * (not used in base driver) */
/* event queue */
struct event_t events[MAX_EVENTS];
- atomic_t ev_tail, ev_head;
+ unsigned ev_tail, ev_head;
spinlock_t ev_lock;
/* current modem response */
- unsigned char respdata[MAX_RESP_SIZE];
+ unsigned char respdata[MAX_RESP_SIZE+1];
unsigned cbytes;
- /* hardware drivers */
+ /* private data of hardware drivers */
union {
- struct usb_cardstate *usb; /* private data of USB hardware driver */
- struct ser_cardstate *ser; /* private data of serial hardware driver */
- struct bas_cardstate *bas; /* private data of base hardware driver */
+ struct usb_cardstate *usb; /* USB hardware driver (m105) */
+ struct ser_cardstate *ser; /* serial hardware driver */
+ struct bas_cardstate *bas; /* USB hardware driver (base) */
} hw;
};
struct gigaset_driver {
struct list_head list;
- spinlock_t lock; /* locks minor tables and blocked */
- //struct semaphore sem; /* locks this structure */
+ spinlock_t lock; /* locks minor tables and blocked */
struct tty_driver *tty;
unsigned have_tty;
unsigned minor;
unsigned minors;
struct cardstate *cs;
- unsigned *flags;
int blocked;
const struct gigaset_ops *ops;
struct bas_bc_state {
/* isochronous output state */
- atomic_t running;
+ int running;
atomic_t corrbytes;
spinlock_t isooutlock;
struct isow_urbctx_t isoouturbs[BAS_OUTURBS];
struct isow_urbctx_t *isooutdone, *isooutfree, *isooutovfl;
struct isowbuf_t *isooutbuf;
- unsigned numsub; /* submitted URB counter (for diagnostic messages only) */
+ unsigned numsub; /* submitted URB counter
+ (for diagnostic messages only) */
struct tasklet_struct sent_tasklet;
/* isochronous input state */
spinlock_t isoinlock;
struct urb *isoinurbs[BAS_INURBS];
unsigned char isoinbuf[BAS_INBUFSIZE * BAS_INURBS];
- struct urb *isoindone; /* completed isoc read URB */
- int loststatus; /* status of dropped URB */
- unsigned isoinlost; /* number of bytes lost */
- /* state of bit unstuffing algorithm (in addition to BC_state.inputstate) */
- unsigned seqlen; /* number of '1' bits not yet unstuffed */
- unsigned inbyte, inbits; /* collected bits for next byte */
+ struct urb *isoindone; /* completed isoc read URB */
+ int isoinstatus; /* status of completed URB */
+ int loststatus; /* status of dropped URB */
+ unsigned isoinlost; /* number of bytes lost */
+ /* state of bit unstuffing algorithm
+ (in addition to BC_state.inputstate) */
+ unsigned seqlen; /* number of '1' bits not yet
+ unstuffed */
+ unsigned inbyte, inbits; /* collected bits for next byte */
/* statistics */
- unsigned goodbytes; /* bytes correctly received */
- unsigned alignerrs; /* frames with incomplete byte at end */
- unsigned fcserrs; /* FCS errors */
- unsigned frameerrs; /* framing errors */
- unsigned giants; /* long frames */
- unsigned runts; /* short frames */
- unsigned aborts; /* HDLC aborts */
- unsigned shared0s; /* '0' bits shared between flags */
- unsigned stolen0s; /* '0' stuff bits also serving as leading flag bits */
+ unsigned goodbytes; /* bytes correctly received */
+ unsigned alignerrs; /* frames with incomplete byte at end */
+ unsigned fcserrs; /* FCS errors */
+ unsigned frameerrs; /* framing errors */
+ unsigned giants; /* long frames */
+ unsigned runts; /* short frames */
+ unsigned aborts; /* HDLC aborts */
+ unsigned shared0s; /* '0' bits shared between flags */
+ unsigned stolen0s; /* '0' stuff bits also serving as
+ leading flag bits */
struct tasklet_struct rcvd_tasklet;
};
struct gigaset_ops {
- /* Called from ev-layer.c/interface.c for sending AT commands to the device */
+ /* Called from ev-layer.c/interface.c for sending AT commands to the
+ device */
int (*write_cmd)(struct cardstate *cs,
- const unsigned char *buf, int len,
- struct tasklet_struct *wake_tasklet);
+ const unsigned char *buf, int len,
+ struct tasklet_struct *wake_tasklet);
/* Called from interface.c for additional device control */
int (*write_room)(struct cardstate *cs);
/* Called by gigaset_freecs() for freeing bcs->hw.xxx */
int (*freebcshw)(struct bc_state *bcs);
- /* Called by gigaset_stop() or gigaset_bchannel_down() for resetting bcs->hw.xxx */
+ /* Called by gigaset_bchannel_down() for resetting bcs->hw.xxx */
void (*reinitbcshw)(struct bc_state *bcs);
/* Called by gigaset_initcs() for setting up cs->hw.xxx */
/* Called by gigaset_freecs() for freeing cs->hw.xxx */
void (*freecshw)(struct cardstate *cs);
- ///* Called by gigaset_stop() for killing URBs, shutting down the device, ...
- // hardwareup: ==0: don't try to shut down the device, hardware is really not accessible
- // !=0: hardware still up */
- //void (*stophw)(struct cardstate *cs, int hardwareup);
-
- /* Called from common.c/interface.c for additional serial port control */
- int (*set_modem_ctrl)(struct cardstate *cs, unsigned old_state, unsigned new_state);
+ /* Called from common.c/interface.c for additional serial port
+ control */
+ int (*set_modem_ctrl)(struct cardstate *cs, unsigned old_state,
+ unsigned new_state);
int (*baud_rate)(struct cardstate *cs, unsigned cflag);
int (*set_line_ctrl)(struct cardstate *cs, unsigned cflag);
- /* Called from i4l.c to put an skb into the send-queue. */
+ /* Called from LL interface to put an skb into the send-queue.
+ * After sending is completed, gigaset_skb_sent() must be called
+ * with the skb's link layer header preserved. */
int (*send_skb)(struct bc_state *bcs, struct sk_buff *skb);
/* Called from ev-layer.c to process a block of data
};
-/* = Common structures and definitions ======================================= */
+/* = Common structures and definitions =======================================
+ */
/* Parser states for DLE-Event:
* <DLE-EVENT>: <DLE_FLAG> "X" <EVENT> <DLE_FLAG> "."
* <DLE_FLAG>: 0x10
* <EVENT>: ((a-z)* | (A-Z)* | (0-10)*)+
*/
-#define DLE_FLAG 0x10
+#define DLE_FLAG 0x10
/* ===========================================================================
* Functions implemented in asyncdata.c
*/
-/* Called from i4l.c to put an skb into the send-queue.
- * After sending gigaset_skb_sent() should be called. */
+/* Called from LL interface to put an skb into the send queue. */
int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb);
/* Called from ev-layer.c to process a block of data
* Functions implemented in isocdata.c
*/
-/* Called from i4l.c to put an skb into the send-queue.
- * After sending gigaset_skb_sent() should be called. */
+/* Called from LL interface to put an skb into the send queue. */
int gigaset_isoc_send_skb(struct bc_state *bcs, struct sk_buff *skb);
/* Called from ev-layer.c to process a block of data
/* Called from bas-gigaset.c to process a block of data
* received through the isochronous channel */
-void gigaset_isoc_receive(unsigned char *src, unsigned count, struct bc_state *bcs);
+void gigaset_isoc_receive(unsigned char *src, unsigned count,
+ struct bc_state *bcs);
/* Called from bas-gigaset.c to put a block of data
* into the isochronous output buffer */
int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size);
/* ===========================================================================
- * Functions implemented in i4l.c/gigaset.h
+ * Functions implemented in LL interface
*/
-/* Called by gigaset_initcs() for setting up with the isdn4linux subsystem */
-int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid);
+/* Called from common.c for setting up/shutting down with the ISDN subsystem */
+void gigaset_isdn_regdrv(void);
+void gigaset_isdn_unregdrv(void);
+int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid);
+void gigaset_isdn_unregdev(struct cardstate *cs);
-/* Called from xxx-gigaset.c to indicate completion of sending an skb */
+/* Called from hardware module to indicate completion of an skb */
void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb);
+void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb);
+void gigaset_isdn_rcv_err(struct bc_state *bcs);
/* Called from common.c/ev-layer.c to indicate events relevant to the LL */
+void gigaset_isdn_start(struct cardstate *cs);
+void gigaset_isdn_stop(struct cardstate *cs);
int gigaset_isdn_icall(struct at_state_t *at_state);
-int gigaset_isdn_setup_accept(struct at_state_t *at_state);
-int gigaset_isdn_setup_dial(struct at_state_t *at_state, void *data);
-
-void gigaset_i4l_cmd(struct cardstate *cs, int cmd);
-void gigaset_i4l_channel_cmd(struct bc_state *bcs, int cmd);
-
-
-static inline void gigaset_isdn_rcv_err(struct bc_state *bcs)
-{
- isdn_ctrl response;
-
- /* error -> LL */
- dbg(DEBUG_CMD, "sending L1ERR");
- response.driver = bcs->cs->myid;
- response.command = ISDN_STAT_L1ERR;
- response.arg = bcs->channel;
- response.parm.errcode = ISDN_STAT_L1ERR_RECV;
- bcs->cs->iif.statcallb(&response);
-}
+void gigaset_isdn_connD(struct bc_state *bcs);
+void gigaset_isdn_hupD(struct bc_state *bcs);
+void gigaset_isdn_connB(struct bc_state *bcs);
+void gigaset_isdn_hupB(struct bc_state *bcs);
/* ===========================================================================
* Functions implemented in ev-layer.c
*/
/* initialize sysfs for device */
-void gigaset_init_dev_sysfs(struct usb_interface *interface);
-void gigaset_free_dev_sysfs(struct usb_interface *interface);
+void gigaset_init_dev_sysfs(struct cardstate *cs);
+void gigaset_free_dev_sysfs(struct cardstate *cs);
/* ===========================================================================
* Functions implemented in common.c/gigaset.h
void gigaset_bcs_reinit(struct bc_state *bcs);
void gigaset_at_init(struct at_state_t *at_state, struct bc_state *bcs,
- struct cardstate *cs, int cid);
+ struct cardstate *cs, int cid);
int gigaset_get_channel(struct bc_state *bcs);
+struct bc_state *gigaset_get_free_channel(struct cardstate *cs);
void gigaset_free_channel(struct bc_state *bcs);
int gigaset_get_channels(struct cardstate *cs);
void gigaset_free_channels(struct cardstate *cs);
/* Allocate and initialize driver structure. */
struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
- const char *procname,
- const char *devname,
- const char *devfsname,
- const struct gigaset_ops *ops,
- struct module *owner);
+ const char *procname,
+ const char *devname,
+ const struct gigaset_ops *ops,
+ struct module *owner);
/* Deallocate driver structure. */
void gigaset_freedriver(struct gigaset_driver *drv);
void gigaset_debugdrivers(void);
-struct cardstate *gigaset_get_cs_by_minor(unsigned minor);
struct cardstate *gigaset_get_cs_by_tty(struct tty_struct *tty);
struct cardstate *gigaset_get_cs_by_id(int id);
-
-/* For drivers without fixed assignment device<->cardstate (usb) */
-struct cardstate *gigaset_getunassignedcs(struct gigaset_driver *drv);
-void gigaset_unassign(struct cardstate *cs);
void gigaset_blockdriver(struct gigaset_driver *drv);
-/* Allocate and initialize card state. Calls hardware dependent gigaset_init[b]cs(). */
+/* Allocate and initialize card state. Calls hardware dependent
+ gigaset_init[b]cs(). */
struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
int onechannel, int ignoreframes,
int cidmode, const char *modulename);
void gigaset_stop(struct cardstate *cs);
/* Tell common.c that the driver is being unloaded. */
-void gigaset_shutdown(struct cardstate *cs);
+int gigaset_shutdown(struct cardstate *cs);
/* Tell common.c that an skb has been sent. */
void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb);
* ptr must be kmalloc()ed (and not be freed by the caller).
*/
struct event_t *gigaset_add_event(struct cardstate *cs,
- struct at_state_t *at_state, int type,
- void *ptr, int parameter, void *arg);
+ struct at_state_t *at_state, int type,
+ void *ptr, int parameter, void *arg);
/* Called on CONFIG1 command from frontend. */
-int gigaset_enterconfigmode(struct cardstate *cs); //0: success <0: errorcode
+int gigaset_enterconfigmode(struct cardstate *cs);
/* cs->lock must not be locked */
static inline void gigaset_schedule_event(struct cardstate *cs)
{
unsigned long flags;
spin_lock_irqsave(&cs->lock, flags);
- if (atomic_read(&cs->running))
+ if (cs->running)
tasklet_schedule(&cs->event_tasklet);
spin_unlock_irqrestore(&cs->lock, flags);
}
static inline void gigaset_bchannel_down(struct bc_state *bcs)
{
gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_CLOSED, NULL, 0, NULL);
-
- dbg(DEBUG_CMD, "scheduling BC_CLOSED");
gigaset_schedule_event(bcs->cs);
}
static inline void gigaset_bchannel_up(struct bc_state *bcs)
{
gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_OPEN, NULL, 0, NULL);
-
- dbg(DEBUG_CMD, "scheduling BC_OPEN");
gigaset_schedule_event(bcs->cs);
}
/* handling routines for sk_buff */
/* ============================= */
-/* private version of __skb_put()
- * append 'len' bytes to the content of 'skb', already knowing that the
- * existing buffer can accomodate them
- * returns a pointer to the location where the new bytes should be copied to
- * This function does not take any locks so it must be called with the
- * appropriate locks held only.
- */
-static inline unsigned char *gigaset_skb_put_quick(struct sk_buff *skb,
- unsigned int len)
-{
- unsigned char *tmp = skb->tail;
- /*SKB_LINEAR_ASSERT(skb);*/ /* not needed here */
- skb->tail += len;
- skb->len += len;
- return tmp;
-}
-
-/* pass received skb to LL
- * Warning: skb must not be accessed anymore!
- */
-static inline void gigaset_rcv_skb(struct sk_buff *skb,
- struct cardstate *cs,
- struct bc_state *bcs)
-{
- cs->iif.rcvcallb_skb(cs->myid, bcs->channel, skb);
- bcs->trans_down++;
-}
-
-/* handle reception of corrupted skb
- * Warning: skb must not be accessed anymore!
- */
-static inline void gigaset_rcv_error(struct sk_buff *procskb,
- struct cardstate *cs,
- struct bc_state *bcs)
-{
- if (procskb)
- dev_kfree_skb(procskb);
-
- if (bcs->ignore)
- --bcs->ignore;
- else {
- ++bcs->corrupted;
- gigaset_isdn_rcv_err(bcs);
- }
-}
-
-
-/* bitwise byte inversion table */
-extern __u8 gigaset_invtab[]; /* in common.c */
-
-
/* append received bytes to inbuf */
-static inline int gigaset_fill_inbuf(struct inbuf_t *inbuf,
- const unsigned char *src,
- unsigned numbytes)
-{
- unsigned n, head, tail, bytesleft;
-
- dbg(DEBUG_INTR, "received %u bytes", numbytes);
-
- if (!numbytes)
- return 0;
-
- bytesleft = numbytes;
- tail = atomic_read(&inbuf->tail);
- head = atomic_read(&inbuf->head);
- dbg(DEBUG_INTR, "buffer state: %u -> %u", head, tail);
-
- while (bytesleft) {
- if (head > tail)
- n = head - 1 - tail;
- else if (head == 0)
- n = (RBUFSIZE-1) - tail;
- else
- n = RBUFSIZE - tail;
- if (!n) {
- err("buffer overflow (%u bytes lost)", bytesleft);
- break;
- }
- if (n > bytesleft)
- n = bytesleft;
- memcpy(inbuf->data + tail, src, n);
- bytesleft -= n;
- tail = (tail + n) % RBUFSIZE;
- src += n;
- }
- dbg(DEBUG_INTR, "setting tail to %u", tail);
- atomic_set(&inbuf->tail, tail);
- return numbytes != bytesleft;
-}
+int gigaset_fill_inbuf(struct inbuf_t *inbuf, const unsigned char *src,
+ unsigned numbytes);
/* ===========================================================================
* Functions implemented in interface.c
/* initialize interface */
void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
- const char *devname, const char *devfsname);
+ const char *devname);
/* release interface */
void gigaset_if_freedriver(struct gigaset_driver *drv);
/* add minor */
void gigaset_if_free(struct cardstate *cs);
/* device received data */
void gigaset_if_receive(struct cardstate *cs,
- unsigned char *buffer, size_t len);
+ unsigned char *buffer, size_t len);
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff