diff options
Diffstat (limited to 'kernel/drivers/staging/dgnc/dgnc_driver.h')
| -rw-r--r-- | kernel/drivers/staging/dgnc/dgnc_driver.h | 71 |
1 files changed, 45 insertions, 26 deletions
diff --git a/kernel/drivers/staging/dgnc/dgnc_driver.h b/kernel/drivers/staging/dgnc/dgnc_driver.h index f77fed57b..ce7cd9b96 100644 --- a/kernel/drivers/staging/dgnc/dgnc_driver.h +++ b/kernel/drivers/staging/dgnc/dgnc_driver.h @@ -21,9 +21,9 @@ #ifndef __DGNC_DRIVER_H #define __DGNC_DRIVER_H -#include <linux/types.h> /* To pick up the varions Linux types */ -#include <linux/tty.h> /* To pick up the various tty structs/defines */ -#include <linux/interrupt.h> /* For irqreturn_t type */ +#include <linux/types.h> +#include <linux/tty.h> +#include <linux/interrupt.h> #include "digi.h" /* Digi specific ioctl header */ #include "dgnc_sysfs.h" /* Support for SYSFS */ @@ -61,19 +61,20 @@ #define PORT_NUM(dev) ((dev) & 0x7f) #define IS_PRINT(dev) (((dev) & 0xff) >= 0x80) -/* MAX number of stop characters we will send when our read queue is getting full */ +/* MAX number of stop characters we will send + * when our read queue is getting full + */ #define MAX_STOPS_SENT 5 /* 4 extra for alignment play space */ #define WRITEBUFLEN ((4096) + 4) -#define MYFLIPLEN N_TTY_BUF_SIZE #define dgnc_jiffies_from_ms(a) (((a) * HZ) / 1000) /* * Define a local default termios struct. All ports will be created * with this termios initially. This is the same structure that is defined - * as the default in tty_io.c with the same settings overriden as in serial.c + * as the default in tty_io.c with the same settings overridden as in serial.c * * In short, this should match the internal serial ports' defaults. */ @@ -166,12 +167,15 @@ struct dgnc_board { uint maxports; /* MAX ports this board can handle */ unsigned char dvid; /* Board specific device id */ unsigned char vpd[128]; /* VPD of board, if found */ - unsigned char serial_num[20]; /* Serial number of board, if found in VPD */ + unsigned char serial_num[20]; /* Serial number of board, + * if found in VPD + */ spinlock_t bd_lock; /* Used to protect board */ - spinlock_t bd_intr_lock; /* Used to protect the poller tasklet and - * the interrupt routine from each other. + spinlock_t bd_intr_lock; /* Used to protect the poller tasklet + * and the interrupt routine from each + * other. */ uint state; /* State of card. */ @@ -190,14 +194,16 @@ struct dgnc_board { ulong membase; /* Start of base memory of the card */ ulong membase_end; /* End of base memory of the card */ - u8 __iomem *re_map_membase;/* Remapped memory of the card */ + u8 __iomem *re_map_membase; /* Remapped memory of the card */ ulong iobase; /* Start of io base of the card */ ulong iobase_end; /* End of io base of the card */ uint bd_uart_offset; /* Space between each UART */ - struct channel_t *channels[MAXPORTS]; /* array of pointers to our channels. */ + struct channel_t *channels[MAXPORTS]; /* array of pointers + * to our channels. + */ struct tty_driver SerialDriver; char SerialName[200]; @@ -212,10 +218,12 @@ struct dgnc_board { uint TtyRefCnt; - char *flipbuf; /* Our flip buffer, alloced if board is found */ - - u16 dpatype; /* The board "type", as defined by DPA */ - u16 dpastatus; /* The board "status", as defined by DPA */ + u16 dpatype; /* The board "type", + * as defined by DPA + */ + u16 dpastatus; /* The board "status", + * as defined by DPA + */ /* * Mgmt data. @@ -288,7 +296,6 @@ struct un_t { #define CH_TX_FIFO_LWM 0x0800 /* TX Fifo is below Low Water */ #define CH_BREAK_SENDING 0x1000 /* Break is being sent */ #define CH_LOOPBACK 0x2000 /* Channel is in lookback mode */ -#define CH_FLIPBUF_IN_USE 0x4000 /* Channel's flipbuf is in use */ #define CH_BAUD0 0x08000 /* Used for checking B0 transitions */ #define CH_FORCED_STOP 0x20000 /* Output is forcibly stopped */ #define CH_FORCED_STOPI 0x40000 /* Input is forcibly stopped */ @@ -308,7 +315,7 @@ struct un_t { ************************************************************************/ struct channel_t { int magic; /* Channel Magic Number */ - struct dgnc_board *ch_bd; /* Board structure pointer */ + struct dgnc_board *ch_bd; /* Board structure pointer */ struct digi_t ch_digi; /* Transparent Print structure */ struct un_t ch_tun; /* Terminal unit info */ struct un_t ch_pun; /* Printer unit info */ @@ -320,7 +327,9 @@ struct channel_t { uint ch_open_count; /* open count */ uint ch_flags; /* Channel flags */ - ulong ch_close_delay; /* How long we should drop RTS/DTR for */ + ulong ch_close_delay; /* How long we should + * drop RTS/DTR for + */ ulong ch_cpstime; /* Time for CPS calculations */ @@ -336,11 +345,15 @@ struct channel_t { uint ch_wopen; /* Waiting for open process cnt */ - unsigned char ch_mostat; /* FEP output modem status */ - unsigned char ch_mistat; /* FEP input modem status */ + unsigned char ch_mostat; /* FEP output modem status */ + unsigned char ch_mistat; /* FEP input modem status */ - struct neo_uart_struct __iomem *ch_neo_uart; /* Pointer to the "mapped" UART struct */ - struct cls_uart_struct __iomem *ch_cls_uart; /* Pointer to the "mapped" UART struct */ + struct neo_uart_struct __iomem *ch_neo_uart; /* Pointer to the + * "mapped" UART struct + */ + struct cls_uart_struct __iomem *ch_cls_uart; /* Pointer to the + * "mapped" UART struct + */ unsigned char ch_cached_lsr; /* Cached value of the LSR register */ @@ -364,10 +377,13 @@ struct channel_t { unsigned char ch_r_watermark; /* Receive Watermark */ - ulong ch_stop_sending_break; /* Time we should STOP sending a break */ + ulong ch_stop_sending_break; /* Time we should STOP + * sending a break + */ - uint ch_stops_sent; /* How many times I have sent a stop character - * to try to stop the other guy sending. + uint ch_stops_sent; /* How many times I have sent a stop + * character to try to stop the other + * guy sending. */ ulong ch_err_parity; /* Count of parity errors on channel */ ulong ch_err_frame; /* Count of framing errors on channel */ @@ -394,7 +410,10 @@ struct channel_t { extern uint dgnc_Major; /* Our driver/mgmt major */ extern int dgnc_poll_tick; /* Poll interval - 20 ms */ extern spinlock_t dgnc_global_lock; /* Driver global spinlock */ +extern spinlock_t dgnc_poll_lock; /* Poll scheduling lock */ extern uint dgnc_NumBoards; /* Total number of boards */ -extern struct dgnc_board *dgnc_Board[MAXBOARDS]; /* Array of board structs */ +extern struct dgnc_board *dgnc_Board[MAXBOARDS]; /* Array of board + * structs + */ #endif |