diff options
Diffstat (limited to 'drivers/isdn/gigaset/gigaset.h')
| -rw-r--r-- | drivers/isdn/gigaset/gigaset.h | 199 |
1 files changed, 95 insertions, 104 deletions
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index bc5a6294f0c0..d77588de7eb7 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -106,10 +106,10 @@ extern int gigaset_debuglevel; /* "needs" cast to (enum debuglevel) */ * DEBUG_INTR. */ enum debuglevel { /* up to 24 bits (atomic_t) */ - DEBUG_REG = 0x0002,/* serial port I/O register operations */ + 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 + DEBUG_INTR_DUMP = 0x0010, /* Activating hexdump debug output on interrupt requests, not available as run-time option */ DEBUG_CMD = 0x00020, /* sent/received LL commands */ @@ -120,66 +120,68 @@ enum debuglevel { /* up to 24 bits (atomic_t) */ 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_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_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 + DEBUG_LOCKCMD = 0x200000, /* AT commands and responses when MS_LOCKED */ 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) -#else -#define DEBUG_DEFAULT 0 +/* missing from linux/device.h ... */ +#ifndef dev_notice +#define dev_notice(dev, format, arg...) \ + dev_printk(KERN_NOTICE , dev , format , ## arg) #endif -/* redefine syslog macros to prepend module name instead of entire - * source path */ +/* Kernel message macros for situations where dev_printk and friends cannot be + * used for lack of reliable access to a device structure. + * linux/usb.h already contains these but in an obsolete form which clutters + * the log needlessly, and according to the USB maintainer those should be + * removed rather than fixed anyway. + */ +#undef err #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) - #undef warn -#define warn(format, arg...) \ - printk(KERN_WARNING "%s: " format "\n", \ - THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) +#undef notice -#undef err -#define err(format, arg...) \ - printk(KERN_ERR "%s: " format "\n", \ - THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) +#define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \ + format "\n" , ## arg) +#define info(format, arg...) printk(KERN_INFO KBUILD_MODNAME ": " \ + format "\n" , ## arg) +#define warn(format, arg...) printk(KERN_WARNING KBUILD_MODNAME ": " \ + format "\n" , ## arg) +#define notice(format, arg...) printk(KERN_NOTICE KBUILD_MODNAME ": " \ + format "\n" , ## arg) -#undef dbg #ifdef CONFIG_GIGASET_DEBUG -#define dbg(level, format, arg...) \ + +#define gig_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); \ + printk(KERN_DEBUG KBUILD_MODNAME ": " format "\n", \ + ## arg); \ } while (0) +#define DEBUG_DEFAULT (DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ) + #else -#define dbg(level, format, arg...) do {} while (0) + +#define gig_dbg(level, format, arg...) do {} while (0) +#define DEBUG_DEFAULT 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, int from_user); /* connection state */ #define ZSAU_NONE 0 @@ -368,16 +370,6 @@ struct inbuf_t { * 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 */ struct isowbuf_t { atomic_t read; @@ -471,7 +463,7 @@ struct bc_state { int busy; int use_count; - /* hardware drivers */ + /* private data of hardware drivers */ union { struct ser_bc_state *ser; /* serial hardware driver */ struct usb_bc_state *usb; /* usb hardware driver (m105) */ @@ -482,6 +474,7 @@ struct bc_state { struct cardstate { struct gigaset_driver *driver; unsigned minor_index; + struct device *dev; const struct gigaset_ops *ops; @@ -531,11 +524,11 @@ struct cardstate { 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 */ + struct semaphore sem; /* 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; @@ -543,7 +536,7 @@ struct cardstate { dle encoded */ int cur_at_seq; /* sequence of AT commands being processed */ - int curchannel; /* channel, those commands are meant + int curchannel; /* channel those commands are meant for */ atomic_t commands_pending; /* flag(s) in xxx.commands_pending have been set */ @@ -551,7 +544,7 @@ struct cardstate { /* tasklet for serializing AT commands. * Scheduled * -> for modem reponses (and - * incomming data for M10x) + * incoming data for M10x) * -> on timeout * -> after setting bits in * xxx.at_state.pending_command @@ -569,7 +562,7 @@ struct cardstate { unsigned char respdata[MAX_RESP_SIZE]; unsigned cbytes; - /* hardware drivers */ + /* private data of hardware drivers */ union { struct usb_cardstate *usb; /* USB hardware driver (m105) */ struct ser_cardstate *ser; /* serial hardware driver */ @@ -607,36 +600,33 @@ struct bas_bc_state { 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 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; }; @@ -644,8 +634,8 @@ struct gigaset_ops { /* 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); @@ -699,7 +689,7 @@ struct gigaset_ops { * <DLE_FLAG>: 0x10 * <EVENT>: ((a-z)* | (A-Z)* | (0-10)*)+ */ -#define DLE_FLAG 0x10 +#define DLE_FLAG 0x10 /* =========================================================================== * Functions implemented in asyncdata.c @@ -764,7 +754,7 @@ static inline void gigaset_isdn_rcv_err(struct bc_state *bcs) isdn_ctrl response; /* error -> LL */ - dbg(DEBUG_CMD, "sending L1ERR"); + gig_dbg(DEBUG_CMD, "sending L1ERR"); response.driver = bcs->cs->myid; response.command = ISDN_STAT_L1ERR; response.arg = bcs->channel; @@ -797,7 +787,7 @@ void gigaset_free_dev_sysfs(struct usb_interface *interface); 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); void gigaset_free_channel(struct bc_state *bcs); int gigaset_get_channels(struct cardstate *cs); @@ -806,11 +796,11 @@ void gigaset_block_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 char *devfsname, + const struct gigaset_ops *ops, + struct module *owner); /* Deallocate driver structure. */ void gigaset_freedriver(struct gigaset_driver *drv); @@ -850,8 +840,8 @@ 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 @@ -872,7 +862,7 @@ 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"); + gig_dbg(DEBUG_CMD, "scheduling BC_CLOSED"); gigaset_schedule_event(bcs->cs); } @@ -882,7 +872,7 @@ 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"); + gig_dbg(DEBUG_CMD, "scheduling BC_OPEN"); gigaset_schedule_event(bcs->cs); } @@ -897,7 +887,7 @@ static inline void gigaset_bchannel_up(struct bc_state *bcs) * appropriate locks held only. */ static inline unsigned char *gigaset_skb_put_quick(struct sk_buff *skb, - unsigned int len) + unsigned int len) { unsigned char *tmp = skb->tail; /*SKB_LINEAR_ASSERT(skb);*/ /* not needed here */ @@ -910,8 +900,8 @@ static inline unsigned char *gigaset_skb_put_quick(struct sk_buff *skb, * Warning: skb must not be accessed anymore! */ static inline void gigaset_rcv_skb(struct sk_buff *skb, - struct cardstate *cs, - struct bc_state *bcs) + struct cardstate *cs, + struct bc_state *bcs) { cs->iif.rcvcallb_skb(cs->myid, bcs->channel, skb); bcs->trans_down++; @@ -921,8 +911,8 @@ static inline void gigaset_rcv_skb(struct sk_buff *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) + struct cardstate *cs, + struct bc_state *bcs) { if (procskb) dev_kfree_skb(procskb); @@ -942,12 +932,12 @@ 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) + const unsigned char *src, + unsigned numbytes) { unsigned n, head, tail, bytesleft; - dbg(DEBUG_INTR, "received %u bytes", numbytes); + gig_dbg(DEBUG_INTR, "received %u bytes", numbytes); if (!numbytes) return 0; @@ -955,7 +945,7 @@ static inline int gigaset_fill_inbuf(struct inbuf_t *inbuf, bytesleft = numbytes; tail = atomic_read(&inbuf->tail); head = atomic_read(&inbuf->head); - dbg(DEBUG_INTR, "buffer state: %u -> %u", head, tail); + gig_dbg(DEBUG_INTR, "buffer state: %u -> %u", head, tail); while (bytesleft) { if (head > tail) @@ -965,7 +955,8 @@ static inline int gigaset_fill_inbuf(struct inbuf_t *inbuf, else n = RBUFSIZE - tail; if (!n) { - err("buffer overflow (%u bytes lost)", bytesleft); + dev_err(inbuf->cs->dev, + "buffer overflow (%u bytes lost)", bytesleft); break; } if (n > bytesleft) @@ -975,7 +966,7 @@ static inline int gigaset_fill_inbuf(struct inbuf_t *inbuf, tail = (tail + n) % RBUFSIZE; src += n; } - dbg(DEBUG_INTR, "setting tail to %u", tail); + gig_dbg(DEBUG_INTR, "setting tail to %u", tail); atomic_set(&inbuf->tail, tail); return numbytes != bytesleft; } @@ -986,7 +977,7 @@ static inline int gigaset_fill_inbuf(struct inbuf_t *inbuf, /* initialize interface */ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname, - const char *devname, const char *devfsname); + const char *devname, const char *devfsname); /* release interface */ void gigaset_if_freedriver(struct gigaset_driver *drv); /* add minor */ @@ -995,6 +986,6 @@ void gigaset_if_init(struct cardstate *cs); 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 |