diff options
Diffstat (limited to 'drivers/char/stallion.c')
| -rw-r--r-- | drivers/char/stallion.c | 2154 |
1 files changed, 942 insertions, 1212 deletions
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 522e88e395cc..e45113a7a472 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -41,13 +41,12 @@ #include <linux/smp_lock.h> #include <linux/device.h> #include <linux/delay.h> +#include <linux/ctype.h> #include <asm/io.h> #include <asm/uaccess.h> -#ifdef CONFIG_PCI #include <linux/pci.h> -#endif /*****************************************************************************/ @@ -63,45 +62,16 @@ #define BRD_ECH64PCI 27 #define BRD_EASYIOPCI 28 -/* - * Define a configuration structure to hold the board configuration. - * Need to set this up in the code (for now) with the boards that are - * to be configured into the system. This is what needs to be modified - * when adding/removing/modifying boards. Each line entry in the - * stl_brdconf[] array is a board. Each line contains io/irq/memory - * ranges for that board (as well as what type of board it is). - * Some examples: - * { BRD_EASYIO, 0x2a0, 0, 0, 10, 0 }, - * This line would configure an EasyIO board (4 or 8, no difference), - * at io address 2a0 and irq 10. - * Another example: - * { BRD_ECH, 0x2a8, 0x280, 0, 12, 0 }, - * This line will configure an EasyConnection 8/32 board at primary io - * address 2a8, secondary io address 280 and irq 12. - * Enter as many lines into this array as you want (only the first 4 - * will actually be used!). Any combination of EasyIO and EasyConnection - * boards can be specified. EasyConnection 8/32 boards can share their - * secondary io addresses between each other. - * - * NOTE: there is no need to put any entries in this table for PCI - * boards. They will be found automatically by the driver - provided - * PCI BIOS32 support is compiled into the kernel. - */ - -typedef struct { - int brdtype; +struct stlconf { + unsigned int brdtype; int ioaddr1; int ioaddr2; unsigned long memaddr; int irq; int irqtype; -} stlconf_t; - -static stlconf_t stl_brdconf[] = { - /*{ BRD_EASYIO, 0x2a0, 0, 0, 10, 0 },*/ }; -static int stl_nrbrds = ARRAY_SIZE(stl_brdconf); +static unsigned int stl_nrbrds; /*****************************************************************************/ @@ -143,34 +113,30 @@ static struct tty_driver *stl_serial; * with this termios initially. Basically all it defines is a raw port * at 9600, 8 data bits, 1 stop bit. */ -static struct termios stl_deftermios = { +static struct ktermios stl_deftermios = { .c_cflag = (B9600 | CS8 | CREAD | HUPCL | CLOCAL), .c_cc = INIT_C_CC, + .c_ispeed = 9600, + .c_ospeed = 9600, }; /* - * Define global stats structures. Not used often, and can be - * re-used for each stats call. - */ -static comstats_t stl_comstats; -static combrd_t stl_brdstats; -static stlbrd_t stl_dummybrd; -static stlport_t stl_dummyport; - -/* * Define global place to put buffer overflow characters. */ static char stl_unwanted[SC26198_RXFIFOSIZE]; /*****************************************************************************/ -static stlbrd_t *stl_brds[STL_MAXBRDS]; +static DEFINE_MUTEX(stl_brdslock); +static struct stlbrd *stl_brds[STL_MAXBRDS]; /* * Per board state flags. Used with the state field of the board struct. * Not really much here! */ #define BRD_FOUND 0x1 +#define STL_PROBED 0x2 + /* * Define the port structure istate flags. These set of flags are @@ -187,32 +153,32 @@ static stlbrd_t *stl_brds[STL_MAXBRDS]; * referencing boards when printing trace and stuff. */ static char *stl_brdnames[] = { - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, "EasyIO", "EC8/32-AT", "EC8/32-MC", - (char *) NULL, - (char *) NULL, - (char *) NULL, + NULL, + NULL, + NULL, "EC8/32-PCI", "EC8/64-PCI", "EasyIO-PCI", @@ -225,7 +191,7 @@ static char *stl_brdnames[] = { * load line. These allow for easy board definitions, and easy * modification of the io, memory and irq resoucres. */ -static int stl_nargs = 0; +static unsigned int stl_nargs; static char *board0[4]; static char *board1[4]; static char *board2[4]; @@ -243,12 +209,10 @@ static char **stl_brdsp[] = { * parse any module arguments. */ -typedef struct stlbrdtype { +static struct { char *name; int type; -} stlbrdtype_t; - -static stlbrdtype_t stl_brdstr[] = { +} stl_brdstr[] = { { "easyio", BRD_EASYIO }, { "eio", BRD_EASYIO }, { "20", BRD_EASYIO }, @@ -282,9 +246,6 @@ static stlbrdtype_t stl_brdstr[] = { /* * Define the module agruments. */ -MODULE_AUTHOR("Greg Ungerer"); -MODULE_DESCRIPTION("Stallion Multiport Serial Driver"); -MODULE_LICENSE("GPL"); module_param_array(board0, charp, &stl_nargs, 0); MODULE_PARM_DESC(board0, "Board 0 config -> name[,ioaddr[,ioaddr2][,irq]]"); @@ -386,8 +347,6 @@ static spinlock_t stallion_lock; /* Guard the tty driver */ /*****************************************************************************/ -#ifdef CONFIG_PCI - /* * Define the Stallion PCI vendor and device IDs. */ @@ -407,22 +366,19 @@ static spinlock_t stallion_lock; /* Guard the tty driver */ /* * Define structure to hold all Stallion PCI boards. */ -typedef struct stlpcibrd { - unsigned short vendid; - unsigned short devid; - int brdtype; -} stlpcibrd_t; - -static stlpcibrd_t stl_pcibrds[] = { - { PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI864, BRD_ECH64PCI }, - { PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_EIOPCI, BRD_EASYIOPCI }, - { PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI832, BRD_ECHPCI }, - { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, BRD_ECHPCI }, -}; - -static int stl_nrpcibrds = ARRAY_SIZE(stl_pcibrds); -#endif +static struct pci_device_id stl_pcibrds[] = { + { PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI864), + .driver_data = BRD_ECH64PCI }, + { PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_EIOPCI), + .driver_data = BRD_EASYIOPCI }, + { PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI832), + .driver_data = BRD_ECHPCI }, + { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410), + .driver_data = BRD_ECHPCI }, + { } +}; +MODULE_DEVICE_TABLE(pci, stl_pcibrds); /*****************************************************************************/ @@ -442,134 +398,74 @@ static unsigned int stl_baudrates[] = { 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600 }; -/* - * Define some handy local macros... - */ -#undef MIN -#define MIN(a,b) (((a) <= (b)) ? (a) : (b)) - -#undef TOLOWER -#define TOLOWER(x) ((((x) >= 'A') && ((x) <= 'Z')) ? ((x) + 0x20) : (x)) - /*****************************************************************************/ /* * Declare all those functions in this driver! */ -static void stl_argbrds(void); -static int stl_parsebrd(stlconf_t *confp, char **argp); - -static unsigned long stl_atol(char *str); - -static int stl_init(void); -static int stl_open(struct tty_struct *tty, struct file *filp); -static void stl_close(struct tty_struct *tty, struct file *filp); -static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count); -static void stl_putchar(struct tty_struct *tty, unsigned char ch); -static void stl_flushchars(struct tty_struct *tty); -static int stl_writeroom(struct tty_struct *tty); -static int stl_charsinbuffer(struct tty_struct *tty); -static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); -static void stl_settermios(struct tty_struct *tty, struct termios *old); -static void stl_throttle(struct tty_struct *tty); -static void stl_unthrottle(struct tty_struct *tty); -static void stl_stop(struct tty_struct *tty); -static void stl_start(struct tty_struct *tty); -static void stl_flushbuffer(struct tty_struct *tty); -static void stl_breakctl(struct tty_struct *tty, int state); -static void stl_waituntilsent(struct tty_struct *tty, int timeout); -static void stl_sendxchar(struct tty_struct *tty, char ch); -static void stl_hangup(struct tty_struct *tty); static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg); -static int stl_portinfo(stlport_t *portp, int portnr, char *pos); -static int stl_readproc(char *page, char **start, off_t off, int count, int *eof, void *data); - -static int stl_brdinit(stlbrd_t *brdp); -static int stl_initports(stlbrd_t *brdp, stlpanel_t *panelp); -static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp); -static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp); -static int stl_getbrdstats(combrd_t __user *bp); -static int stl_getportstats(stlport_t *portp, comstats_t __user *cp); -static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp); -static int stl_getportstruct(stlport_t __user *arg); -static int stl_getbrdstruct(stlbrd_t __user *arg); -static int stl_waitcarrier(stlport_t *portp, struct file *filp); -static int stl_eiointr(stlbrd_t *brdp); -static int stl_echatintr(stlbrd_t *brdp); -static int stl_echmcaintr(stlbrd_t *brdp); -static int stl_echpciintr(stlbrd_t *brdp); -static int stl_echpci64intr(stlbrd_t *brdp); -static void stl_offintr(void *private); -static stlbrd_t *stl_allocbrd(void); -static stlport_t *stl_getport(int brdnr, int panelnr, int portnr); - -static inline int stl_initbrds(void); -static inline int stl_initeio(stlbrd_t *brdp); -static inline int stl_initech(stlbrd_t *brdp); -static inline int stl_getbrdnr(void); - -#ifdef CONFIG_PCI -static inline int stl_findpcibrds(void); -static inline int stl_initpcibrd(int brdtype, struct pci_dev *devp); -#endif +static int stl_brdinit(struct stlbrd *brdp); +static int stl_getportstats(struct stlport *portp, comstats_t __user *cp); +static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp); +static int stl_waitcarrier(struct stlport *portp, struct file *filp); /* * CD1400 uart specific handling functions. */ -static void stl_cd1400setreg(stlport_t *portp, int regnr, int value); -static int stl_cd1400getreg(stlport_t *portp, int regnr); -static int stl_cd1400updatereg(stlport_t *portp, int regnr, int value); -static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp); -static void stl_cd1400portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp); -static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp); -static int stl_cd1400getsignals(stlport_t *portp); -static void stl_cd1400setsignals(stlport_t *portp, int dtr, int rts); -static void stl_cd1400ccrwait(stlport_t *portp); -static void stl_cd1400enablerxtx(stlport_t *portp, int rx, int tx); -static void stl_cd1400startrxtx(stlport_t *portp, int rx, int tx); -static void stl_cd1400disableintrs(stlport_t *portp); -static void stl_cd1400sendbreak(stlport_t *portp, int len); -static void stl_cd1400flowctrl(stlport_t *portp, int state); -static void stl_cd1400sendflow(stlport_t *portp, int state); -static void stl_cd1400flush(stlport_t *portp); -static int stl_cd1400datastate(stlport_t *portp); -static void stl_cd1400eiointr(stlpanel_t *panelp, unsigned int iobase); -static void stl_cd1400echintr(stlpanel_t *panelp, unsigned int iobase); -static void stl_cd1400txisr(stlpanel_t *panelp, int ioaddr); -static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr); -static void stl_cd1400mdmisr(stlpanel_t *panelp, int ioaddr); - -static inline int stl_cd1400breakisr(stlport_t *portp, int ioaddr); +static void stl_cd1400setreg(struct stlport *portp, int regnr, int value); +static int stl_cd1400getreg(struct stlport *portp, int regnr); +static int stl_cd1400updatereg(struct stlport *portp, int regnr, int value); +static int stl_cd1400panelinit(struct stlbrd *brdp, struct stlpanel *panelp); +static void stl_cd1400portinit(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp); +static void stl_cd1400setport(struct stlport *portp, struct ktermios *tiosp); +static int stl_cd1400getsignals(struct stlport *portp); +static void stl_cd1400setsignals(struct stlport *portp, int dtr, int rts); +static void stl_cd1400ccrwait(struct stlport *portp); +static void stl_cd1400enablerxtx(struct stlport *portp, int rx, int tx); +static void stl_cd1400startrxtx(struct stlport *portp, int rx, int tx); +static void stl_cd1400disableintrs(struct stlport *portp); +static void stl_cd1400sendbreak(struct stlport *portp, int len); +static void stl_cd1400flowctrl(struct stlport *portp, int state); +static void stl_cd1400sendflow(struct stlport *portp, int state); +static void stl_cd1400flush(struct stlport *portp); +static int stl_cd1400datastate(struct stlport *portp); +static void stl_cd1400eiointr(struct stlpanel *panelp, unsigned int iobase); +static void stl_cd1400echintr(struct stlpanel *panelp, unsigned int iobase); +static void stl_cd1400txisr(struct stlpanel *panelp, int ioaddr); +static void stl_cd1400rxisr(struct stlpanel *panelp, int ioaddr); +static void stl_cd1400mdmisr(struct stlpanel *panelp, int ioaddr); + +static inline int stl_cd1400breakisr(struct stlport *portp, int ioaddr); /* * SC26198 uart specific handling functions. */ -static void stl_sc26198setreg(stlport_t *portp, int regnr, int value); -static int stl_sc26198getreg(stlport_t *portp, int regnr); -static int stl_sc26198updatereg(stlport_t *portp, int regnr, int value); -static int stl_sc26198getglobreg(stlport_t *portp, int regnr); -static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp); -static void stl_sc26198portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp); -static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp); -static int stl_sc26198getsignals(stlport_t *portp); -static void stl_sc26198setsignals(stlport_t *portp, int dtr, int rts); -static void stl_sc26198enablerxtx(stlport_t *portp, int rx, int tx); -static void stl_sc26198startrxtx(stlport_t *portp, int rx, int tx); -static void stl_sc26198disableintrs(stlport_t *portp); -static void stl_sc26198sendbreak(stlport_t *portp, int len); -static void stl_sc26198flowctrl(stlport_t *portp, int state); -static void stl_sc26198sendflow(stlport_t *portp, int state); -static void stl_sc26198flush(stlport_t *portp); -static int stl_sc26198datastate(stlport_t *portp); -static void stl_sc26198wait(stlport_t *portp); -static void stl_sc26198txunflow(stlport_t *portp, struct tty_struct *tty); -static void stl_sc26198intr(stlpanel_t *panelp, unsigned int iobase); -static void stl_sc26198txisr(stlport_t *port); -static void stl_sc26198rxisr(stlport_t *port, unsigned int iack); -static void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, char ch); -static void stl_sc26198rxbadchars(stlport_t *portp); -static void stl_sc26198otherisr(stlport_t *port, unsigned int iack); +static void stl_sc26198setreg(struct stlport *portp, int regnr, int value); +static int stl_sc26198getreg(struct stlport *portp, int regnr); +static int stl_sc26198updatereg(struct stlport *portp, int regnr, int value); +static int stl_sc26198getglobreg(struct stlport *portp, int regnr); +static int stl_sc26198panelinit(struct stlbrd *brdp, struct stlpanel *panelp); +static void stl_sc26198portinit(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp); +static void stl_sc26198setport(struct stlport *portp, struct ktermios *tiosp); +static int stl_sc26198getsignals(struct stlport *portp); +static void stl_sc26198setsignals(struct stlport *portp, int dtr, int rts); +static void stl_sc26198enablerxtx(struct stlport *portp, int rx, int tx); +static void stl_sc26198startrxtx(struct stlport *portp, int rx, int tx); +static void stl_sc26198disableintrs(struct stlport *portp); +static void stl_sc26198sendbreak(struct stlport *portp, int len); +static void stl_sc26198flowctrl(struct stlport *portp, int state); +static void stl_sc26198sendflow(struct stlport *portp, int state); +static void stl_sc26198flush(struct stlport *portp); +static int stl_sc26198datastate(struct stlport *portp); +static void stl_sc26198wait(struct stlport *portp); +static void stl_sc26198txunflow(struct stlport *portp, struct tty_struct *tty); +static void stl_sc26198intr(struct stlpanel *panelp, unsigned int iobase); +static void stl_sc26198txisr(struct stlport *port); +static void stl_sc26198rxisr(struct stlport *port, unsigned int iack); +static void stl_sc26198rxbadch(struct stlport *portp, unsigned char status, char ch); +static void stl_sc26198rxbadchars(struct stlport *portp); +static void stl_sc26198otherisr(struct stlport *port, unsigned int iack); /*****************************************************************************/ @@ -577,20 +473,20 @@ static void stl_sc26198otherisr(stlport_t *port, unsigned int iack); * Generic UART support structure. */ typedef struct uart { - int (*panelinit)(stlbrd_t *brdp, stlpanel_t *panelp); - void (*portinit)(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp); - void (*setport)(stlport_t *portp, struct termios *tiosp); - int (*getsignals)(stlport_t *portp); - void (*setsignals)(stlport_t *portp, int dtr, int rts); - void (*enablerxtx)(stlport_t *portp, int rx, int tx); - void (*startrxtx)(stlport_t *portp, int rx, int tx); - void (*disableintrs)(stlport_t *portp); - void (*sendbreak)(stlport_t *portp, int len); - void (*flowctrl)(stlport_t *portp, int state); - void (*sendflow)(stlport_t *portp, int state); - void (*flush)(stlport_t *portp); - int (*datastate)(stlport_t *portp); - void (*intr)(stlpanel_t *panelp, unsigned int iobase); + int (*panelinit)(struct stlbrd *brdp, struct stlpanel *panelp); + void (*portinit)(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp); + void (*setport)(struct stlport *portp, struct ktermios *tiosp); + int (*getsignals)(struct stlport *portp); + void (*setsignals)(struct stlport *portp, int dtr, int rts); + void (*enablerxtx)(struct stlport *portp, int rx, int tx); + void (*startrxtx)(struct stlport *portp, int rx, int tx); + void (*disableintrs)(struct stlport *portp); + void (*sendbreak)(struct stlport *portp, int len); + void (*flowctrl)(struct stlport *portp, int state); + void (*sendflow)(struct stlport *portp, int state); + void (*flush)(struct stlport *portp); + int (*datastate)(struct stlport *portp); + void (*intr)(struct stlpanel *panelp, unsigned int iobase); } uart_t; /* @@ -712,184 +608,35 @@ static const struct file_operations stl_fsiomem = { .ioctl = stl_memioctl, }; -/*****************************************************************************/ - static struct class *stallion_class; /* - * Loadable module initialization stuff. - */ - -static int __init stallion_module_init(void) -{ - stl_init(); - return 0; -} - -/*****************************************************************************/ - -static void __exit stallion_module_exit(void) -{ - stlbrd_t *brdp; - stlpanel_t *panelp; - stlport_t *portp; - int i, j, k; - -#ifdef DEBUG - printk("cleanup_module()\n"); -#endif - - printk(KERN_INFO "Unloading %s: version %s\n", stl_drvtitle, - stl_drvversion); - -/* - * Free up all allocated resources used by the ports. This includes - * memory and interrupts. As part of this process we will also do - * a hangup on every open port - to try to flush out any processes - * hanging onto ports. - */ - i = tty_unregister_driver(stl_serial); - put_tty_driver(stl_serial); - if (i) { - printk("STALLION: failed to un-register tty driver, " - "errno=%d\n", -i); - return; - } - for (i = 0; i < 4; i++) - class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i)); - if ((i = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"))) - printk("STALLION: failed to un-register serial memory device, " - "errno=%d\n", -i); - class_destroy(stallion_class); - - for (i = 0; (i < stl_nrbrds); i++) { - if ((brdp = stl_brds[i]) == (stlbrd_t *) NULL) - continue; - - free_irq(brdp->irq, brdp); - - for (j = 0; (j < STL_MAXPANELS); j++) { - panelp = brdp->panels[j]; - if (panelp == (stlpanel_t *) NULL) - continue; - for (k = 0; (k < STL_PORTSPERPANEL); k++) { - portp = panelp->ports[k]; - if (portp == (stlport_t *) NULL) - continue; - if (portp->tty != (struct tty_struct *) NULL) - stl_hangup(portp->tty); - kfree(portp->tx.buf); - kfree(portp); - } - kfree(panelp); - } - - release_region(brdp->ioaddr1, brdp->iosize1); - if (brdp->iosize2 > 0) - release_region(brdp->ioaddr2, brdp->iosize2); - - kfree(brdp); - stl_brds[i] = (stlbrd_t *) NULL; - } -} - -module_init(stallion_module_init); -module_exit(stallion_module_exit); - -/*****************************************************************************/ - -/* * Check for any arguments passed in on the module load command line. */ -static void stl_argbrds(void) -{ - stlconf_t conf; - stlbrd_t *brdp; - int i; - -#ifdef DEBUG - printk("stl_argbrds()\n"); -#endif - - for (i = stl_nrbrds; (i < stl_nargs); i++) { - memset(&conf, 0, sizeof(conf)); - if (stl_parsebrd(&conf, stl_brdsp[i]) == 0) - continue; - if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL) - continue; - stl_nrbrds = i + 1; - brdp->brdnr = i; - brdp->brdtype = conf.brdtype; - brdp->ioaddr1 = conf.ioaddr1; - brdp->ioaddr2 = conf.ioaddr2; - brdp->irq = conf.irq; - brdp->irqtype = conf.irqtype; - stl_brdinit(brdp); - } -} - -/*****************************************************************************/ - -/* - * Convert an ascii string number into an unsigned long. - */ - -static unsigned long stl_atol(char *str) -{ - unsigned long val; - int base, c; - char *sp; - - val = 0; - sp = str; - if ((*sp == '0') && (*(sp+1) == 'x')) { - base = 16; - sp += 2; - } else if (*sp == '0') { - base = 8; - sp++; - } else { - base = 10; - } - - for (; (*sp != 0); sp++) { - c = (*sp > '9') ? (TOLOWER(*sp) - 'a' + 10) : (*sp - '0'); - if ((c < 0) || (c >= base)) { - printk("STALLION: invalid argument %s\n", str); - val = 0; - break; - } - val = (val * base) + c; - } - return val; -} - /*****************************************************************************/ /* * Parse the supplied argument string, into the board conf struct. */ -static int stl_parsebrd(stlconf_t *confp, char **argp) +static int __init stl_parsebrd(struct stlconf *confp, char **argp) { char *sp; - int i; + unsigned int i; -#ifdef DEBUG - printk("stl_parsebrd(confp=%x,argp=%x)\n", (int) confp, (int) argp); -#endif + pr_debug("stl_parsebrd(confp=%p,argp=%p)\n", confp, argp); - if ((argp[0] == (char *) NULL) || (*argp[0] == 0)) + if ((argp[0] == NULL) || (*argp[0] == 0)) return 0; - for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++) - *sp = TOLOWER(*sp); + for (sp = argp[0], i = 0; (*sp != 0) && (i < 25); sp++, i++) + *sp = tolower(*sp); - for (i = 0; i < ARRAY_SIZE(stl_brdstr); i++) { + for (i = 0; i < ARRAY_SIZE(stl_brdstr); i++) if (strcmp(stl_brdstr[i].name, argp[0]) == 0) break; - } + if (i == ARRAY_SIZE(stl_brdstr)) { printk("STALLION: unknown board name, %s?\n", argp[0]); return 0; @@ -898,16 +645,16 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) confp->brdtype = stl_brdstr[i].type; i = 1; - if ((argp[i] != (char *) NULL) && (*argp[i] != 0)) - confp->ioaddr1 = stl_atol(argp[i]); + if ((argp[i] != NULL) && (*argp[i] != 0)) + confp->ioaddr1 = simple_strtoul(argp[i], NULL, 0); i++; if (confp->brdtype == BRD_ECH) { - if ((argp[i] != (char *) NULL) && (*argp[i] != 0)) - confp->ioaddr2 = stl_atol(argp[i]); + if ((argp[i] != NULL) && (*argp[i] != 0)) + confp->ioaddr2 = simple_strtoul(argp[i], NULL, 0); i++; } - if ((argp[i] != (char *) NULL) && (*argp[i] != 0)) - confp->irq = stl_atol(argp[i]); + if ((argp[i] != NULL) && (*argp[i] != 0)) + confp->irq = simple_strtoul(argp[i], NULL, 0); return 1; } @@ -917,14 +664,14 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) * Allocate a new board structure. Fill out the basic info in it. */ -static stlbrd_t *stl_allocbrd(void) +static struct stlbrd *stl_allocbrd(void) { - stlbrd_t *brdp; + struct stlbrd *brdp; - brdp = kzalloc(sizeof(stlbrd_t), GFP_KERNEL); + brdp = kzalloc(sizeof(struct stlbrd), GFP_KERNEL); if (!brdp) { printk("STALLION: failed to allocate memory (size=%Zd)\n", - sizeof(stlbrd_t)); + sizeof(struct stlbrd)); return NULL; } @@ -936,26 +683,23 @@ static stlbrd_t *stl_allocbrd(void) static int stl_open(struct tty_struct *tty, struct file *filp) { - stlport_t *portp; - stlbrd_t *brdp; - unsigned int minordev; - int brdnr, panelnr, portnr, rc; - -#ifdef DEBUG - printk("stl_open(tty=%x,filp=%x): device=%s\n", (int) tty, - (int) filp, tty->name); -#endif + struct stlport *portp; + struct stlbrd *brdp; + unsigned int minordev, brdnr, panelnr; + int portnr, rc; + + pr_debug("stl_open(tty=%p,filp=%p): device=%s\n", tty, filp, tty->name); minordev = tty->index; brdnr = MINOR2BRD(minordev); if (brdnr >= stl_nrbrds) return -ENODEV; brdp = stl_brds[brdnr]; - if (brdp == (stlbrd_t *) NULL) + if (brdp == NULL) return -ENODEV; minordev = MINOR2PORT(minordev); - for (portnr = -1, panelnr = 0; (panelnr < STL_MAXPANELS); panelnr++) { - if (brdp->panels[panelnr] == (stlpanel_t *) NULL) + for (portnr = -1, panelnr = 0; panelnr < STL_MAXPANELS; panelnr++) { + if (brdp->panels[panelnr] == NULL) break; if (minordev < brdp->panels[panelnr]->nrports) { portnr = minordev; @@ -967,7 +711,7 @@ static int stl_open(struct tty_struct *tty, struct file *filp) return -ENODEV; portp = brdp->panels[panelnr]->ports[portnr]; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return -ENODEV; /* @@ -1013,10 +757,10 @@ static int stl_open(struct tty_struct *tty, struct file *filp) * previous opens still in effect. If we are a normal serial device * then also we might have to wait for carrier. */ - if (!(filp->f_flags & O_NONBLOCK)) { + if (!(filp->f_flags & O_NONBLOCK)) if ((rc = stl_waitcarrier(portp, filp)) != 0) return rc; - } + portp->flags |= ASYNC_NORMAL_ACTIVE; return 0; @@ -1029,14 +773,12 @@ static int stl_open(struct tty_struct *tty, struct file *filp) * maybe because if we are clocal then we don't need to wait... */ -static int stl_waitcarrier(stlport_t *portp, struct file *filp) +static int stl_waitcarrier(struct stlport *portp, struct file *filp) { unsigned long flags; int rc, doclocal; -#ifdef DEBUG - printk("stl_waitcarrier(portp=%x,filp=%x)\n", (int) portp, (int) filp); -#endif + pr_debug("stl_waitcarrier(portp=%p,filp=%p)\n", portp, filp); rc = 0; doclocal = 0; @@ -1062,9 +804,8 @@ static int stl_waitcarrier(stlport_t *portp, struct file *filp) break; } if (((portp->flags & ASYNC_CLOSING) == 0) && - (doclocal || (portp->sigs & TIOCM_CD))) { + (doclocal || (portp->sigs & TIOCM_CD))) break; - } if (signal_pending(current)) { rc = -ERESTARTSYS; break; @@ -1083,17 +824,61 @@ static int stl_waitcarrier(stlport_t *portp, struct file *filp) /*****************************************************************************/ +static void stl_flushbuffer(struct tty_struct *tty) +{ + struct stlport *portp; + + pr_debug("stl_flushbuffer(tty=%p)\n", tty); + + if (tty == NULL) + return; + portp = tty->driver_data; + if (portp == NULL) + return; + + stl_flush(portp); + tty_wakeup(tty); +} + +/*****************************************************************************/ + +static void stl_waituntilsent(struct tty_struct *tty, int timeout) +{ + struct stlport *portp; + unsigned long tend; + + pr_debug("stl_waituntilsent(tty=%p,timeout=%d)\n", tty, timeout); + + if (tty == NULL) + return; + portp = tty->driver_data; + if (portp == NULL) + return; + + if (timeout == 0) + timeout = HZ; + tend = jiffies + timeout; + + while (stl_datastate(portp)) { + if (signal_pending(current)) + break; + msleep_interruptible(20); + if (time_after_eq(jiffies, tend)) + break; + } +} + +/*****************************************************************************/ + static void stl_close(struct tty_struct *tty, struct file *filp) { - stlport_t *portp; + struct stlport *portp; unsigned long flags; -#ifdef DEBUG - printk("stl_close(tty=%x,filp=%x)\n", (int) tty, (int) filp); -#endif + pr_debug("stl_close(tty=%p,filp=%p)\n", tty, filp); portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; spin_lock_irqsave(&stallion_lock, flags); @@ -1136,17 +921,17 @@ static void stl_close(struct tty_struct *tty, struct file *filp) stl_enablerxtx(portp, 0, 0); stl_flushbuffer(tty); portp->istate = 0; - if (portp->tx.buf != (char *) NULL) { + if (portp->tx.buf != NULL) { kfree(portp->tx.buf); - portp->tx.buf = (char *) NULL; - portp->tx.head = (char *) NULL; - portp->tx.tail = (char *) NULL; + portp->tx.buf = NULL; + portp->tx.head = NULL; + portp->tx.tail = NULL; } set_bit(TTY_IO_ERROR, &tty->flags); tty_ldisc_flush(tty); tty->closing = 0; - portp->tty = (struct tty_struct *) NULL; + portp->tty = NULL; if (portp->openwaitcnt) { if (portp->close_delay) @@ -1167,20 +952,17 @@ static void stl_close(struct tty_struct *tty, struct file *filp) static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count) { - stlport_t *portp; + struct stlport *portp; unsigned int len, stlen; unsigned char *chbuf; char *head, *tail; -#ifdef DEBUG - printk("stl_write(tty=%x,buf=%x,count=%d)\n", - (int) tty, (int) buf, count); -#endif + pr_debug("stl_write(tty=%p,buf=%p,count=%d)\n", tty, buf, count); portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return 0; /* @@ -1201,10 +983,10 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count stlen = len; } - len = MIN(len, count); + len = min(len, (unsigned int)count); count = 0; while (len > 0) { - stlen = MIN(len, stlen); + stlen = min(len, stlen); memcpy(head, chbuf, stlen); len -= stlen; chbuf += stlen; @@ -1227,20 +1009,18 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count static void stl_putchar(struct tty_struct *tty, unsigned char ch) { - stlport_t *portp; + struct stlport *portp; unsigned int len; char *head, *tail; -#ifdef DEBUG - printk("stl_putchar(tty=%x,ch=%x)\n", (int) tty, (int) ch); -#endif + pr_debug("stl_putchar(tty=%p,ch=%x)\n", tty, ch); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return; head = portp->tx.head; @@ -1267,18 +1047,16 @@ static void stl_putchar(struct tty_struct *tty, unsigned char ch) static void stl_flushchars(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_flushchars(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_flushchars(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return; stl_startrxtx(portp, -1, 1); @@ -1288,24 +1066,22 @@ static void stl_flushchars(struct tty_struct *tty) static int stl_writeroom(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; char *head, *tail; -#ifdef DEBUG - printk("stl_writeroom(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_writeroom(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return 0; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return 0; head = portp->tx.head; tail = portp->tx.tail; - return ((head >= tail) ? (STL_TXBUFSIZE - (head - tail) - 1) : (tail - head - 1)); + return (head >= tail) ? (STL_TXBUFSIZE - (head - tail) - 1) : (tail - head - 1); } /*****************************************************************************/ @@ -1321,20 +1097,18 @@ static int stl_writeroom(struct tty_struct *tty) static int stl_charsinbuffer(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; unsigned int size; char *head, *tail; -#ifdef DEBUG - printk("stl_charsinbuffer(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_charsinbuffer(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return 0; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return 0; head = portp->tx.head; @@ -1351,14 +1125,12 @@ static int stl_charsinbuffer(struct tty_struct *tty) * Generate the serial struct info. */ -static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp) +static int stl_getserial(struct stlport *portp, struct serial_struct __user *sp) { struct serial_struct sio; - stlbrd_t *brdp; + struct stlbrd *brdp; -#ifdef DEBUG - printk("stl_getserial(portp=%x,sp=%x)\n", (int) portp, (int) sp); -#endif + pr_debug("stl_getserial(portp=%p,sp=%p)\n", portp, sp); memset(&sio, 0, sizeof(struct serial_struct)); sio.line = portp->portnr; @@ -1378,7 +1150,7 @@ static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp) } brdp = stl_brds[portp->brdnr]; - if (brdp != (stlbrd_t *) NULL) + if (brdp != NULL) sio.irq = brdp->irq; return copy_to_user(sp, &sio, sizeof(struct serial_struct)) ? -EFAULT : 0; @@ -1392,13 +1164,11 @@ static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp) * just quietly ignore any requests to change irq, etc. */ -static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp) +static int stl_setserial(struct stlport *portp, struct serial_struct __user *sp) { struct serial_struct sio; -#ifdef DEBUG - printk("stl_setserial(portp=%x,sp=%x)\n", (int) portp, (int) sp); -#endif + pr_debug("stl_setserial(portp=%p,sp=%p)\n", portp, sp); if (copy_from_user(&sio, sp, sizeof(struct serial_struct))) return -EFAULT; @@ -1424,12 +1194,12 @@ static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp) static int stl_tiocmget(struct tty_struct *tty, struct file *file) { - stlport_t *portp; + struct stlport *portp; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return -ENODEV; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return -ENODEV; if (tty->flags & (1 << TTY_IO_ERROR)) return -EIO; @@ -1440,13 +1210,13 @@ static int stl_tiocmget(struct tty_struct *tty, struct file *file) static int stl_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { - stlport_t *portp; + struct stlport *portp; int rts = -1, dtr = -1; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return -ENODEV; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return -ENODEV; if (tty->flags & (1 << TTY_IO_ERROR)) return -EIO; @@ -1466,27 +1236,24 @@ static int stl_tiocmset(struct tty_struct *tty, struct file *file, static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { - stlport_t *portp; + struct stlport *portp; unsigned int ival; int rc; void __user *argp = (void __user *)arg; -#ifdef DEBUG - printk("stl_ioctl(tty=%x,file=%x,cmd=%x,arg=%x)\n", - (int) tty, (int) file, cmd, (int) arg); -#endif + pr_debug("stl_ioctl(tty=%p,file=%p,cmd=%x,arg=%lx)\n", tty, file, cmd, + arg); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return -ENODEV; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return -ENODEV; if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) && - (cmd != COM_GETPORTSTATS) && (cmd != COM_CLRPORTSTATS)) { + (cmd != COM_GETPORTSTATS) && (cmd != COM_CLRPORTSTATS)) if (tty->flags & (1 << TTY_IO_ERROR)) return -EIO; - } rc = 0; @@ -1531,19 +1298,37 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd /*****************************************************************************/ -static void stl_settermios(struct tty_struct *tty, struct termios *old) +/* + * Start the transmitter again. Just turn TX interrupts back on. + */ + +static void stl_start(struct tty_struct *tty) { - stlport_t *portp; - struct termios *tiosp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_settermios(tty=%x,old=%x)\n", (int) tty, (int) old); -#endif + pr_debug("stl_start(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) + return; + stl_startrxtx(portp, -1, 1); +} + +/*****************************************************************************/ + +static void stl_settermios(struct tty_struct *tty, struct ktermios *old) +{ + struct stlport *portp; + struct ktermios *tiosp; + + pr_debug("stl_settermios(tty=%p,old=%p)\n", tty, old); + + if (tty == NULL) + return; + portp = tty->driver_data; + if (portp == NULL) return; tiosp = tty->termios; @@ -1571,16 +1356,14 @@ static void stl_settermios(struct tty_struct *tty, struct termios *old) static void stl_throttle(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_throttle(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_throttle(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; stl_flowctrl(portp, 0); } @@ -1593,16 +1376,14 @@ static void stl_throttle(struct tty_struct *tty) static void stl_unthrottle(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_unthrottle(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_unthrottle(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; stl_flowctrl(portp, 1); } @@ -1616,16 +1397,14 @@ static void stl_unthrottle(struct tty_struct *tty) static void stl_stop(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_stop(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_stop(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; stl_startrxtx(portp, -1, 0); } @@ -1633,28 +1412,6 @@ static void stl_stop(struct tty_struct *tty) /*****************************************************************************/ /* - * Start the transmitter again. Just turn TX interrupts back on. - */ - -static void stl_start(struct tty_struct *tty) -{ - stlport_t *portp; - -#ifdef DEBUG - printk("stl_start(tty=%x)\n", (int) tty); -#endif - - if (tty == (struct tty_struct *) NULL) - return; - portp = tty->driver_data; - if (portp == (stlport_t *) NULL) - return; - stl_startrxtx(portp, -1, 1); -} - -/*****************************************************************************/ - -/* * Hangup this port. This is pretty much like closing the port, only * a little more brutal. No waiting for data to drain. Shutdown the * port and maybe drop signals. @@ -1662,16 +1419,14 @@ static void stl_start(struct tty_struct *tty) static void stl_hangup(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_hangup(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_hangup(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; portp->flags &= ~ASYNC_INITIALIZED; @@ -1682,13 +1437,13 @@ static void stl_hangup(struct tty_struct *tty) stl_flushbuffer(tty); portp->istate = 0; set_bit(TTY_IO_ERROR, &tty->flags); - if (portp->tx.buf != (char *) NULL) { + if (portp->tx.buf != NULL) { kfree(portp->tx.buf); - portp->tx.buf = (char *) NULL; - portp->tx.head = (char *) NULL; - portp->tx.tail = (char *) NULL; + portp->tx.buf = NULL; + portp->tx.head = NULL; + portp->tx.tail = NULL; } - portp->tty = (struct tty_struct *) NULL; + portp->tty = NULL; portp->flags &= ~ASYNC_NORMAL_ACTIVE; portp->refcount = 0; wake_up_interruptible(&portp->open_wait); @@ -1696,38 +1451,16 @@ static void stl_hangup(struct tty_struct *tty) /*****************************************************************************/ -static void stl_flushbuffer(struct tty_struct *tty) -{ - stlport_t *portp; - -#ifdef DEBUG - printk("stl_flushbuffer(tty=%x)\n", (int) tty); -#endif - - if (tty == (struct tty_struct *) NULL) - return; - portp = tty->driver_data; - if (portp == (stlport_t *) NULL) - return; - - stl_flush(portp); - tty_wakeup(tty); -} - -/*****************************************************************************/ - static void stl_breakctl(struct tty_struct *tty, int state) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_breakctl(tty=%x,state=%d)\n", (int) tty, state); -#endif + pr_debug("stl_breakctl(tty=%p,state=%d)\n", tty, state); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; stl_sendbreak(portp, ((state == -1) ? 1 : 2)); @@ -1735,48 +1468,16 @@ static void stl_breakctl(struct tty_struct *tty, int state) /*****************************************************************************/ -static void stl_waituntilsent(struct tty_struct *tty, int timeout) -{ - stlport_t *portp; - unsigned long tend; - -#ifdef DEBUG - printk("stl_waituntilsent(tty=%x,timeout=%d)\n", (int) tty, timeout); -#endif - - if (tty == (struct tty_struct *) NULL) - return; - portp = tty->driver_data; - if (portp == (stlport_t *) NULL) - return; - - if (timeout == 0) - timeout = HZ; - tend = jiffies + timeout; - - while (stl_datastate(portp)) { - if (signal_pending(current)) - break; - msleep_interruptible(20); - if (time_after_eq(jiffies, tend)) - break; - } -} - -/*****************************************************************************/ - static void stl_sendxchar(struct tty_struct *tty, char ch) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_sendxchar(tty=%x,ch=%x)\n", (int) tty, ch); -#endif + pr_debug("stl_sendxchar(tty=%p,ch=%x)\n", tty, ch); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; if (ch == STOP_CHAR(tty)) @@ -1797,7 +1498,7 @@ static void stl_sendxchar(struct tty_struct *tty, char ch) * short then padded with spaces). */ -static int stl_portinfo(stlport_t *portp, int portnr, char *pos) +static int stl_portinfo(struct stlport *portp, int portnr, char *pos) { char *sp; int sigs, cnt; @@ -1826,7 +1527,7 @@ static int stl_portinfo(stlport_t *portp, int portnr, char *pos) *sp = ' '; sp += cnt; - for (cnt = (sp - pos); (cnt < (MAXLINE - 1)); cnt++) + for (cnt = sp - pos; cnt < (MAXLINE - 1); cnt++) *sp++ = ' '; if (cnt >= MAXLINE) pos[(MAXLINE - 2)] = '+'; @@ -1843,18 +1544,15 @@ static int stl_portinfo(stlport_t *portp, int portnr, char *pos) static int stl_readproc(char *page, char **start, off_t off, int count, int *eof, void *data) { - stlbrd_t *brdp; - stlpanel_t *panelp; - stlport_t *portp; - int brdnr, panelnr, portnr, totalport; - int curoff, maxoff; + struct stlbrd *brdp; + struct stlpanel *panelp; + struct stlport *portp; + unsigned int brdnr, panelnr, portnr; + int totalport, curoff, maxoff; char *pos; -#ifdef DEBUG - printk("stl_readproc(page=%x,start=%x,off=%x,count=%d,eof=%x," - "data=%x\n", (int) page, (int) start, (int) off, count, - (int) eof, (int) data); -#endif + pr_debug("stl_readproc(page=%p,start=%p,off=%lx,count=%d,eof=%p," + "data=%p\n", page, start, off, count, eof, data); pos = page; totalport = 0; @@ -1873,9 +1571,9 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof * We scan through for each board, panel and port. The offset is * calculated on the fly, and irrelevant ports are skipped. */ - for (brdnr = 0; (brdnr < stl_nrbrds); brdnr++) { + for (brdnr = 0; brdnr < stl_nrbrds; brdnr++) { brdp = stl_brds[brdnr]; - if (brdp == (stlbrd_t *) NULL) + if (brdp == NULL) continue; if (brdp->state == 0) continue; @@ -1887,9 +1585,9 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof } totalport = brdnr * STL_MAXPORTS; - for (panelnr = 0; (panelnr < brdp->nrpanels); panelnr++) { + for (panelnr = 0; panelnr < brdp->nrpanels; panelnr++) { panelp = brdp->panels[panelnr]; - if (panelp == (stlpanel_t *) NULL) + if (panelp == NULL) continue; maxoff = curoff + (panelp->nrports * MAXLINE); @@ -1899,10 +1597,10 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof continue; } - for (portnr = 0; (portnr < panelp->nrports); portnr++, + for (portnr = 0; portnr < panelp->nrports; portnr++, totalport++) { portp = panelp->ports[portnr]; - if (portp == (stlport_t *) NULL) + if (portp == NULL) continue; if (off >= (curoff += MAXLINE)) continue; @@ -1917,7 +1615,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof stl_readdone: *start = page; - return (pos - page); + return pos - page; } /*****************************************************************************/ @@ -1929,11 +1627,9 @@ stl_readdone: static irqreturn_t stl_intr(int irq, void *dev_id) { - stlbrd_t *brdp = (stlbrd_t *) dev_id; + struct stlbrd *brdp = dev_id; -#ifdef DEBUG - printk("stl_intr(brdp=%x,irq=%d)\n", (int) brdp, irq); -#endif + pr_debug("stl_intr(brdp=%p,irq=%d)\n", brdp, irq); return IRQ_RETVAL((* brdp->isr)(brdp)); } @@ -1944,9 +1640,9 @@ static irqreturn_t stl_intr(int irq, void *dev_id) * Interrupt service routine for EasyIO board types. */ -static int stl_eiointr(stlbrd_t *brdp) +static int stl_eiointr(struct stlbrd *brdp) { - stlpanel_t *panelp; + struct stlpanel *panelp; unsigned int iobase; int handled = 0; @@ -1967,18 +1663,17 @@ static int stl_eiointr(stlbrd_t *brdp) * Interrupt service routine for ECH-AT board types. */ -static int stl_echatintr(stlbrd_t *brdp) +static int stl_echatintr(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int ioaddr; - int bnknr; + struct stlpanel *panelp; + unsigned int ioaddr, bnknr; int handled = 0; outb((brdp->ioctrlval | ECH_BRDENABLE), brdp->ioctrl); while (inb(brdp->iostatus) & ECH_INTRPEND) { handled = 1; - for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) { + for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) { ioaddr = brdp->bnkstataddr[bnknr]; if (inb(ioaddr) & ECH_PNLINTRPEND) { panelp = brdp->bnk2panel[bnknr]; @@ -1998,16 +1693,15 @@ static int stl_echatintr(stlbrd_t *brdp) * Interrupt service routine for ECH-MCA board types. */ -static int stl_echmcaintr(stlbrd_t *brdp) +static int stl_echmcaintr(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int ioaddr; - int bnknr; + struct stlpanel *panelp; + unsigned int ioaddr, bnknr; int handled = 0; while (inb(brdp->iostatus) & ECH_INTRPEND) { handled = 1; - for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) { + for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) { ioaddr = brdp->bnkstataddr[bnknr]; if (inb(ioaddr) & ECH_PNLINTRPEND) { panelp = brdp->bnk2panel[bnknr]; @@ -2024,16 +1718,15 @@ static int stl_echmcaintr(stlbrd_t *brdp) * Interrupt service routine for ECH-PCI board types. */ -static int stl_echpciintr(stlbrd_t *brdp) +static int stl_echpciintr(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int ioaddr; - int bnknr, recheck; + struct stlpanel *panelp; + unsigned int ioaddr, bnknr, recheck; int handled = 0; while (1) { recheck = 0; - for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) { + for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) { outb(brdp->bnkpageaddr[bnknr], brdp->ioctrl); ioaddr = brdp->bnkstataddr[bnknr]; if (inb(ioaddr) & ECH_PNLINTRPEND) { @@ -2055,16 +1748,15 @@ static int stl_echpciintr(stlbrd_t *brdp) * Interrupt service routine for ECH-8/64-PCI board types. */ -static int stl_echpci64intr(stlbrd_t *brdp) +static int stl_echpci64intr(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int ioaddr; - int bnknr; + struct stlpanel *panelp; + unsigned int ioaddr, bnknr; int handled = 0; while (inb(brdp->ioctrl) & 0x1) { handled = 1; - for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) { + for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) { ioaddr = brdp->bnkstataddr[bnknr]; if (inb(ioaddr) & ECH_PNLINTRPEND) { panelp = brdp->bnk2panel[bnknr]; @@ -2081,39 +1773,34 @@ static int stl_echpci64intr(stlbrd_t *brdp) /* * Service an off-level request for some channel. */ -static void stl_offintr(void *private) +static void stl_offintr(struct work_struct *work) { - stlport_t *portp; + struct stlport *portp = container_of(work, struct stlport, tqueue); struct tty_struct *tty; unsigned int oldsigs; - portp = private; + pr_debug("stl_offintr(portp=%p)\n", portp); -#ifdef DEBUG - printk("stl_offintr(portp=%x)\n", (int) portp); -#endif - - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; lock_kernel(); - if (test_bit(ASYI_TXLOW, &portp->istate)) { + if (test_bit(ASYI_TXLOW, &portp->istate)) tty_wakeup(tty); - } + if (test_bit(ASYI_DCDCHANGE, &portp->istate)) { clear_bit(ASYI_DCDCHANGE, &portp->istate); oldsigs = portp->sigs; portp->sigs = stl_getsignals(portp); if ((portp->sigs & TIOCM_CD) && ((oldsigs & TIOCM_CD) == 0)) wake_up_interruptible(&portp->open_wait); - if ((oldsigs & TIOCM_CD) && ((portp->sigs & TIOCM_CD) == 0)) { + if ((oldsigs & TIOCM_CD) && ((portp->sigs & TIOCM_CD) == 0)) if (portp->flags & ASYNC_CHECK_CD) tty_hangup(tty); /* FIXME: module removal race here - AKPM */ - } } unlock_kernel(); } @@ -2124,14 +1811,13 @@ static void stl_offintr(void *private) * Initialize all the ports on a panel. */ -static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) +static int __devinit stl_initports(struct stlbrd *brdp, struct stlpanel *panelp) { - stlport_t *portp; - int chipmask, i; + struct stlport *portp; + unsigned int i; + int chipmask; -#ifdef DEBUG - printk("stl_initports(brdp=%x,panelp=%x)\n", (int) brdp, (int) panelp); -#endif + pr_debug("stl_initports(brdp=%p,panelp=%p)\n", brdp, panelp); chipmask = stl_panelinit(brdp, panelp); @@ -2139,11 +1825,11 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) * All UART's are initialized (if found!). Now go through and setup * each ports data structures. */ - for (i = 0; (i < panelp->nrports); i++) { - portp = kzalloc(sizeof(stlport_t), GFP_KERNEL); + for (i = 0; i < panelp->nrports; i++) { + portp = kzalloc(sizeof(struct stlport), GFP_KERNEL); if (!portp) { printk("STALLION: failed to allocate memory " - "(size=%Zd)\n", sizeof(stlport_t)); + "(size=%Zd)\n", sizeof(struct stlport)); break; } @@ -2156,7 +1842,7 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) portp->baud_base = STL_BAUDBASE; portp->close_delay = STL_CLOSEDELAY; portp->closing_wait = 30 * HZ; - INIT_WORK(&portp->tqueue, stl_offintr, portp); + INIT_WORK(&portp->tqueue, stl_offintr); init_waitqueue_head(&portp->open_wait); init_waitqueue_head(&portp->close_wait); portp->stats.brd = portp->brdnr; @@ -2166,7 +1852,30 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) stl_portinit(brdp, panelp, portp); } - return(0); + return 0; +} + +static void stl_cleanup_panels(struct stlbrd *brdp) +{ + struct stlpanel *panelp; + struct stlport *portp; + unsigned int j, k; + + for (j = 0; j < STL_MAXPANELS; j++) { + panelp = brdp->panels[j]; + if (panelp == NULL) + continue; + for (k = 0; k < STL_PORTSPERPANEL; k++) { + portp = panelp->ports[k]; + if (portp == NULL) + continue; + if (portp->tty != NULL) + stl_hangup(portp->tty); + kfree(portp->tx.buf); + kfree(portp); + } + kfree(panelp); + } } /*****************************************************************************/ @@ -2175,16 +1884,14 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) * Try to find and initialize an EasyIO board. */ -static inline int stl_initeio(stlbrd_t *brdp) +static int __devinit stl_initeio(struct stlbrd *brdp) { - stlpanel_t *panelp; + struct stlpanel *panelp; unsigned int status; char *name; - int rc; + int retval; -#ifdef DEBUG - printk("stl_initeio(brdp=%x)\n", (int) brdp); -#endif + pr_debug("stl_initeio(brdp=%p)\n", brdp); brdp->ioctrl = brdp->ioaddr1 + 1; brdp->iostatus = brdp->ioaddr1 + 2; @@ -2209,18 +1916,20 @@ static inline int stl_initeio(stlbrd_t *brdp) (stl_vecmap[brdp->irq] == (unsigned char) 0xff)) { printk("STALLION: invalid irq=%d for brd=%d\n", brdp->irq, brdp->brdnr); - return(-EINVAL); + retval = -EINVAL; + goto err; } outb((stl_vecmap[brdp->irq] | EIO_0WS | ((brdp->irqtype) ? EIO_INTLEVEL : EIO_INTEDGE)), brdp->ioctrl); } + retval = -EBUSY; if (!request_region(brdp->ioaddr1, brdp->iosize1, name)) { printk(KERN_WARNING "STALLION: Warning, board %d I/O address " "%x conflicts with another device\n", brdp->brdnr, brdp->ioaddr1); - return(-EBUSY); + goto err; } if (brdp->iosize2 > 0) @@ -2231,8 +1940,7 @@ static inline int stl_initeio(stlbrd_t *brdp) printk(KERN_WARNING "STALLION: Warning, also " "releasing board %d I/O address %x \n", brdp->brdnr, brdp->ioaddr1); - release_region(brdp->ioaddr1, brdp->iosize1); - return(-EBUSY); + goto err_rel1; } /* @@ -2241,6 +1949,7 @@ static inline int stl_initeio(stlbrd_t *brdp) brdp->clk = CD1400_CLK; brdp->isr = stl_eiointr; + retval = -ENODEV; switch (status & EIO_IDBITMASK) { case EIO_8PORTM: brdp->clk = CD1400_CLK8M; @@ -2264,11 +1973,11 @@ static inline int stl_initeio(stlbrd_t *brdp) brdp->nrports = 16; break; default: - return(-ENODEV); + goto err_rel2; } break; default: - return(-ENODEV); + goto err_rel2; } /* @@ -2276,11 +1985,12 @@ static inline int stl_initeio(stlbrd_t *brdp) * can complete the setup. */ - panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + panelp = kzalloc(sizeof(struct stlpanel), GFP_KERNEL); if (!panelp) { printk(KERN_WARNING "STALLION: failed to allocate memory " - "(size=%Zd)\n", sizeof(stlpanel_t)); - return -ENOMEM; + "(size=%Zd)\n", sizeof(struct stlpanel)); + retval = -ENOMEM; + goto err_rel2; } panelp->magic = STL_PANELMAGIC; @@ -2290,10 +2000,10 @@ static inline int stl_initeio(stlbrd_t *brdp) panelp->iobase = brdp->ioaddr1; panelp->hwid = status; if ((status & EIO_IDBITMASK) == EIO_MK3) { - panelp->uartp = (void *) &stl_sc26198uart; + panelp->uartp = &stl_sc26198uart; panelp->isr = stl_sc26198intr; } else { - panelp->uartp = (void *) &stl_cd1400uart; + panelp->uartp = &stl_cd1400uart; panelp->isr = stl_cd1400eiointr; } @@ -2304,11 +2014,20 @@ static inline int stl_initeio(stlbrd_t *brdp) if (request_irq(brdp->irq, stl_intr, IRQF_SHARED, name, brdp) != 0) { printk("STALLION: failed to register interrupt " "routine for %s irq=%d\n", name, brdp->irq); - rc = -ENODEV; - } else { - rc = 0; + retval = -ENODEV; + goto err_fr; } - return rc; + + return 0; +err_fr: + stl_cleanup_panels(brdp); +err_rel2: + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); +err_rel1: + release_region(brdp->ioaddr1, brdp->iosize1); +err: + return retval; } /*****************************************************************************/ @@ -2318,16 +2037,14 @@ static inline int stl_initeio(stlbrd_t *brdp) * dealing with all types of ECH board. */ -static inline int stl_initech(stlbrd_t *brdp) +static int __devinit stl_initech(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int status, nxtid, ioaddr, conflict; - int panelnr, banknr, i; + struct stlpanel *panelp; + unsigned int status, nxtid, ioaddr, conflict, panelnr, banknr, i; + int retval; char *name; -#ifdef DEBUG - printk("stl_initech(brdp=%x)\n", (int) brdp); -#endif + pr_debug("stl_initech(brdp=%p)\n", brdp); status = 0; conflict = 0; @@ -2344,20 +2061,23 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->ioctrl = brdp->ioaddr1 + 1; brdp->iostatus = brdp->ioaddr1 + 1; status = inb(brdp->iostatus); - if ((status & ECH_IDBITMASK) != ECH_ID) - return(-ENODEV); + if ((status & ECH_IDBITMASK) != ECH_ID) { + retval = -ENODEV; + goto err; + } if ((brdp->irq < 0) || (brdp->irq > 15) || (stl_vecmap[brdp->irq] == (unsigned char) 0xff)) { printk("STALLION: invalid irq=%d for brd=%d\n", brdp->irq, brdp->brdnr); - return(-EINVAL); + retval = -EINVAL; + goto err; } status = ((brdp->ioaddr2 & ECH_ADDR2MASK) >> 1); status |= (stl_vecmap[brdp->irq] << 1); outb((status | ECH_BRDRESET), brdp->ioaddr1); brdp->ioctrlval = ECH_INTENABLE | ((brdp->irqtype) ? ECH_INTLEVEL : ECH_INTEDGE); - for (i = 0; (i < 10); i++) + for (i = 0; i < 10; i++) outb((brdp->ioctrlval | ECH_BRDENABLE), brdp->ioctrl); brdp->iosize1 = 2; brdp->iosize2 = 32; @@ -2370,13 +2090,16 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->ioctrl = brdp->ioaddr1 + 0x20; brdp->iostatus = brdp->ioctrl; status = inb(brdp->iostatus); - if ((status & ECH_IDBITMASK) != ECH_ID) - return(-ENODEV); + if ((status & ECH_IDBITMASK) != ECH_ID) { + retval = -ENODEV; + goto err; + } if ((brdp->irq < 0) || (brdp->irq > 15) || (stl_vecmap[brdp->irq] == (unsigned char) 0xff)) { printk("STALLION: invalid irq=%d for brd=%d\n", brdp->irq, brdp->brdnr); - return(-EINVAL); + retval = -EINVAL; + goto err; } outb(ECHMC_BRDRESET, brdp->ioctrl); outb(ECHMC_INTENABLE, brdp->ioctrl); @@ -2403,19 +2126,20 @@ static inline int stl_initech(stlbrd_t *brdp) default: printk("STALLION: unknown board type=%d\n", brdp->brdtype); - return(-EINVAL); - break; + retval = -EINVAL; + goto err; } /* * Check boards for possible IO address conflicts and return fail status * if an IO conflict found. */ + retval = -EBUSY; if (!request_region(brdp->ioaddr1, brdp->iosize1, name)) { printk(KERN_WARNING "STALLION: Warning, board %d I/O address " "%x conflicts with another device\n", brdp->brdnr, brdp->ioaddr1); - return(-EBUSY); + goto err; } if (brdp->iosize2 > 0) @@ -2426,8 +2150,7 @@ static inline int stl_initech(stlbrd_t *brdp) printk(KERN_WARNING "STALLION: Warning, also " "releasing board %d I/O address %x \n", brdp->brdnr, brdp->ioaddr1); - release_region(brdp->ioaddr1, brdp->iosize1); - return(-EBUSY); + goto err_rel1; } /* @@ -2442,19 +2165,19 @@ static inline int stl_initech(stlbrd_t *brdp) panelnr = 0; nxtid = 0; - for (i = 0; (i < STL_MAXPANELS); i++) { + for (i = 0; i < STL_MAXPANELS; i++) { if (brdp->brdtype == BRD_ECHPCI) { outb(nxtid, brdp->ioctrl); ioaddr = brdp->ioaddr2; } status = inb(ioaddr + ECH_PNLSTATUS); if ((status & ECH_PNLIDMASK) != nxtid) - break; - panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + goto err_fr; + panelp = kzalloc(sizeof(struct stlpanel), GFP_KERNEL); if (!panelp) { printk("STALLION: failed to allocate memory " - "(size=%Zd)\n", sizeof(stlpanel_t)); - break; + "(size=%Zd)\n", sizeof(struct stlpanel)); + goto err_fr; } panelp->magic = STL_PANELMAGIC; panelp->brdnr = brdp->brdnr; @@ -2467,7 +2190,7 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->bnkstataddr[banknr++] = ioaddr + ECH_PNLSTATUS; if (status & ECH_PNLXPID) { - panelp->uartp = (void *) &stl_sc26198uart; + panelp->uartp = &stl_sc26198uart; panelp->isr = stl_sc26198intr; if (status & ECH_PNL16PORT) { panelp->nrports = 16; @@ -2475,11 +2198,10 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->bnkpageaddr[banknr] = nxtid; brdp->bnkstataddr[banknr++] = ioaddr + 4 + ECH_PNLSTATUS; - } else { + } else panelp->nrports = 8; - } } else { - panelp->uartp = (void *) &stl_cd1400uart; + panelp->uartp = &stl_cd1400uart; panelp->isr = stl_cd1400echintr; if (status & ECH_PNL16PORT) { panelp->nrports = 16; @@ -2502,7 +2224,7 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->panels[panelnr++] = panelp; if ((brdp->brdtype != BRD_ECHPCI) && (ioaddr >= (brdp->ioaddr2 + brdp->iosize2))) - break; + goto err_fr; } brdp->nrpanels = panelnr; @@ -2514,12 +2236,19 @@ static inline int stl_initech(stlbrd_t *brdp) if (request_irq(brdp->irq, stl_intr, IRQF_SHARED, name, brdp) != 0) { printk("STALLION: failed to register interrupt " "routine for %s irq=%d\n", name, brdp->irq); - i = -ENODEV; - } else { - i = 0; + retval = -ENODEV; + goto err_fr; } - return(i); + return 0; +err_fr: + stl_cleanup_panels(brdp); + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); +err_rel1: + release_region(brdp->ioaddr1, brdp->iosize1); +err: + return retval; } /*****************************************************************************/ @@ -2531,48 +2260,61 @@ static inline int stl_initech(stlbrd_t *brdp) * since the initial search and setup is very different. */ -static int __init stl_brdinit(stlbrd_t *brdp) +static int __devinit stl_brdinit(struct stlbrd *brdp) { - int i; + int i, retval; -#ifdef DEBUG - printk("stl_brdinit(brdp=%x)\n", (int) brdp); -#endif + pr_debug("stl_brdinit(brdp=%p)\n", brdp); switch (brdp->brdtype) { case BRD_EASYIO: case BRD_EASYIOPCI: - stl_initeio(brdp); + retval = stl_initeio(brdp); + if (retval) + goto err; break; case BRD_ECH: case BRD_ECHMC: case BRD_ECHPCI: case BRD_ECH64PCI: - stl_initech(brdp); + retval = stl_initech(brdp); + if (retval) + goto err; break; default: printk("STALLION: board=%d is unknown board type=%d\n", brdp->brdnr, brdp->brdtype); - return(ENODEV); + retval = -ENODEV; + goto err; } - stl_brds[brdp->brdnr] = brdp; if ((brdp->state & BRD_FOUND) == 0) { printk("STALLION: %s board not found, board=%d io=%x irq=%d\n", stl_brdnames[brdp->brdtype], brdp->brdnr, brdp->ioaddr1, brdp->irq); - return(ENODEV); + goto err_free; } - for (i = 0; (i < STL_MAXPANELS); i++) - if (brdp->panels[i] != (stlpanel_t *) NULL) + for (i = 0; i < STL_MAXPANELS; i++) + if (brdp->panels[i] != NULL) stl_initports(brdp, brdp->panels[i]); printk("STALLION: %s found, board=%d io=%x irq=%d " "nrpanels=%d nrports=%d\n", stl_brdnames[brdp->brdtype], brdp->brdnr, brdp->ioaddr1, brdp->irq, brdp->nrpanels, brdp->nrports); - return(0); + + return 0; +err_free: + free_irq(brdp->irq, brdp); + + stl_cleanup_panels(brdp); + + release_region(brdp->ioaddr1, brdp->iosize1); + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); +err: + return retval; } /*****************************************************************************/ @@ -2581,59 +2323,62 @@ static int __init stl_brdinit(stlbrd_t *brdp) * Find the next available board number that is free. */ -static inline int stl_getbrdnr(void) +static int __devinit stl_getbrdnr(void) { - int i; + unsigned int i; - for (i = 0; (i < STL_MAXBRDS); i++) { - if (stl_brds[i] == (stlbrd_t *) NULL) { + for (i = 0; i < STL_MAXBRDS; i++) + if (stl_brds[i] == NULL) { if (i >= stl_nrbrds) stl_nrbrds = i + 1; - return(i); + return i; } - } - return(-1); + + return -1; } /*****************************************************************************/ - -#ifdef CONFIG_PCI - /* * We have a Stallion board. Allocate a board structure and * initialize it. Read its IO and IRQ resources from PCI * configuration space. */ -static inline int stl_initpcibrd(int brdtype, struct pci_dev *devp) +static int __devinit stl_pciprobe(struct pci_dev *pdev, + const struct pci_device_id *ent) { - stlbrd_t *brdp; - -#ifdef DEBUG - printk("stl_initpcibrd(brdtype=%d,busnr=%x,devnr=%x)\n", brdtype, - devp->bus->number, devp->devfn); -#endif - - if (pci_enable_device(devp)) - return(-EIO); - if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL) - return(-ENOMEM); - if ((brdp->brdnr = stl_getbrdnr()) < 0) { - printk("STALLION: too many boards found, " + struct stlbrd *brdp; + unsigned int i, brdtype = ent->driver_data; + int brdnr, retval = -ENODEV; + + if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) + goto err; + + dev_info(&pdev->dev, "please, report this to LKML: %x/%x/%x\n", + pdev->vendor, pdev->device, pdev->class); + + retval = pci_enable_device(pdev); + if (retval) + goto err; + brdp = stl_allocbrd(); + if (brdp == NULL) { + retval = -ENOMEM; + goto err; + } + mutex_lock(&stl_brdslock); + brdnr = stl_getbrdnr(); + if (brdnr < 0) { + dev_err(&pdev->dev, "too many boards found, " "maximum supported %d\n", STL_MAXBRDS); - return(0); + mutex_unlock(&stl_brdslock); + goto err_fr; } - brdp->brdtype = brdtype; + brdp->brdnr = (unsigned int)brdnr; + stl_brds[brdp->brdnr] = brdp; + mutex_unlock(&stl_brdslock); -/* - * Different Stallion boards use the BAR registers in different ways, - * so set up io addresses based on board type. - */ -#ifdef DEBUG - printk("%s(%d): BAR[]=%x,%x,%x,%x IRQ=%x\n", __FILE__, __LINE__, - pci_resource_start(devp, 0), pci_resource_start(devp, 1), - pci_resource_start(devp, 2), pci_resource_start(devp, 3), devp->irq); -#endif + brdp->brdtype = brdtype; + brdp->state |= STL_PROBED; /* * We have all resources from the board, so let's setup the actual @@ -2641,120 +2386,70 @@ static inline int stl_initpcibrd(int brdtype, struct pci_dev *devp) */ switch (brdtype) { case BRD_ECHPCI: - brdp->ioaddr2 = pci_resource_start(devp, 0); - brdp->ioaddr1 = pci_resource_start(devp, 1); + brdp->ioaddr2 = pci_resource_start(pdev, 0); + brdp->ioaddr1 = pci_resource_start(pdev, 1); break; case BRD_ECH64PCI: - brdp->ioaddr2 = pci_resource_start(devp, 2); - brdp->ioaddr1 = pci_resource_start(devp, 1); + brdp->ioaddr2 = pci_resource_start(pdev, 2); + brdp->ioaddr1 = pci_resource_start(pdev, 1); break; case BRD_EASYIOPCI: - brdp->ioaddr1 = pci_resource_start(devp, 2); - brdp->ioaddr2 = pci_resource_start(devp, 1); + brdp->ioaddr1 = pci_resource_start(pdev, 2); + brdp->ioaddr2 = pci_resource_start(pdev, 1); break; default: - printk("STALLION: unknown PCI board type=%d\n", brdtype); + dev_err(&pdev->dev, "unknown PCI board type=%u\n", brdtype); break; } - brdp->irq = devp->irq; - stl_brdinit(brdp); - - return(0); -} - -/*****************************************************************************/ - -/* - * Find all Stallion PCI boards that might be installed. Initialize each - * one as it is found. - */ - + brdp->irq = pdev->irq; + retval = stl_brdinit(brdp); + if (retval) + goto err_null; -static inline int stl_findpcibrds(void) -{ - struct pci_dev *dev = NULL; - int i, rc; + pci_set_drvdata(pdev, brdp); -#ifdef DEBUG - printk("stl_findpcibrds()\n"); -#endif + for (i = 0; i < brdp->nrports; i++) + tty_register_device(stl_serial, + brdp->brdnr * STL_MAXPORTS + i, &pdev->dev); - for (i = 0; (i < stl_nrpcibrds); i++) - while ((dev = pci_find_device(stl_pcibrds[i].vendid, - stl_pcibrds[i].devid, dev))) { - -/* - * Found a device on the PCI bus that has our vendor and - * device ID. Need to check now that it is really us. - */ - if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) - continue; - - rc = stl_initpcibrd(stl_pcibrds[i].brdtype, dev); - if (rc) - return(rc); - } - - return(0); + return 0; +err_null: + stl_brds[brdp->brdnr] = NULL; +err_fr: + kfree(brdp); +err: + return retval; } -#endif - -/*****************************************************************************/ - -/* - * Scan through all the boards in the configuration and see what we - * can find. Handle EIO and the ECH boards a little differently here - * since the initial search and setup is too different. - */ - -static inline int stl_initbrds(void) +static void __devexit stl_pciremove(struct pci_dev *pdev) { - stlbrd_t *brdp; - stlconf_t *confp; - int i; + struct stlbrd *brdp = pci_get_drvdata(pdev); + unsigned int i; -#ifdef DEBUG - printk("stl_initbrds()\n"); -#endif + free_irq(brdp->irq, brdp); - if (stl_nrbrds > STL_MAXBRDS) { - printk("STALLION: too many boards in configuration table, " - "truncating to %d\n", STL_MAXBRDS); - stl_nrbrds = STL_MAXBRDS; - } + stl_cleanup_panels(brdp); -/* - * Firstly scan the list of static boards configured. Allocate - * resources and initialize the boards as found. - */ - for (i = 0; (i < stl_nrbrds); i++) { - confp = &stl_brdconf[i]; - stl_parsebrd(confp, stl_brdsp[i]); - if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL) - return(-ENOMEM); - brdp->brdnr = i; - brdp->brdtype = confp->brdtype; - brdp->ioaddr1 = confp->ioaddr1; - brdp->ioaddr2 = confp->ioaddr2; - brdp->irq = confp->irq; - brdp->irqtype = confp->irqtype; - stl_brdinit(brdp); - } + release_region(brdp->ioaddr1, brdp->iosize1); + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); -/* - * Find any dynamically supported boards. That is via module load - * line options or auto-detected on the PCI bus. - */ - stl_argbrds(); -#ifdef CONFIG_PCI - stl_findpcibrds(); -#endif + for (i = 0; i < brdp->nrports; i++) + tty_unregister_device(stl_serial, + brdp->brdnr * STL_MAXPORTS + i); - return(0); + stl_brds[brdp->brdnr] = NULL; + kfree(brdp); } +static struct pci_driver stl_pcidriver = { + .name = "stallion", + .id_table = stl_pcibrds, + .probe = stl_pciprobe, + .remove = __devexit_p(stl_pciremove) +}; + /*****************************************************************************/ /* @@ -2763,17 +2458,18 @@ static inline int stl_initbrds(void) static int stl_getbrdstats(combrd_t __user *bp) { - stlbrd_t *brdp; - stlpanel_t *panelp; - int i; + combrd_t stl_brdstats; + struct stlbrd *brdp; + struct stlpanel *panelp; + unsigned int i; if (copy_from_user(&stl_brdstats, bp, sizeof(combrd_t))) return -EFAULT; if (stl_brdstats.brd >= STL_MAXBRDS) - return(-ENODEV); + return -ENODEV; brdp = stl_brds[stl_brdstats.brd]; - if (brdp == (stlbrd_t *) NULL) - return(-ENODEV); + if (brdp == NULL) + return -ENODEV; memset(&stl_brdstats, 0, sizeof(combrd_t)); stl_brdstats.brd = brdp->brdnr; @@ -2785,7 +2481,7 @@ static int stl_getbrdstats(combrd_t __user *bp) stl_brdstats.irq = brdp->irq; stl_brdstats.nrpanels = brdp->nrpanels; stl_brdstats.nrports = brdp->nrports; - for (i = 0; (i < brdp->nrpanels); i++) { + for (i = 0; i < brdp->nrpanels; i++) { panelp = brdp->panels[i]; stl_brdstats.panels[i].panel = i; stl_brdstats.panels[i].hwid = panelp->hwid; @@ -2801,24 +2497,24 @@ static int stl_getbrdstats(combrd_t __user *bp) * Resolve the referenced port number into a port struct pointer. */ -static stlport_t *stl_getport(int brdnr, int panelnr, int portnr) +static struct stlport *stl_getport(int brdnr, int panelnr, int portnr) { - stlbrd_t *brdp; - stlpanel_t *panelp; + struct stlbrd *brdp; + struct stlpanel *panelp; - if ((brdnr < 0) || (brdnr >= STL_MAXBRDS)) - return((stlport_t *) NULL); + if (brdnr < 0 || brdnr >= STL_MAXBRDS) + return NULL; brdp = stl_brds[brdnr]; - if (brdp == (stlbrd_t *) NULL) - return((stlport_t *) NULL); - if ((panelnr < 0) || (panelnr >= brdp->nrpanels)) - return((stlport_t *) NULL); + if (brdp == NULL) + return NULL; + if (panelnr < 0 || (unsigned int)panelnr >= brdp->nrpanels) + return NULL; panelp = brdp->panels[panelnr]; - if (panelp == (stlpanel_t *) NULL) - return((stlport_t *) NULL); - if ((portnr < 0) || (portnr >= panelp->nrports)) - return((stlport_t *) NULL); - return(panelp->ports[portnr]); + if (panelp == NULL) + return NULL; + if (portnr < 0 || (unsigned int)portnr >= panelp->nrports) + return NULL; + return panelp->ports[portnr]; } /*****************************************************************************/ @@ -2829,8 +2525,9 @@ static stlport_t *stl_getport(int brdnr, int panelnr, int portnr) * what port to get stats for (used through board control device). */ -static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) +static int stl_getportstats(struct stlport *portp, comstats_t __user *cp) { + comstats_t stl_comstats; unsigned char *head, *tail; unsigned long flags; @@ -2839,8 +2536,8 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) return -EFAULT; portp = stl_getport(stl_comstats.brd, stl_comstats.panel, stl_comstats.port); - if (portp == (stlport_t *) NULL) - return(-ENODEV); + if (portp == NULL) + return -ENODEV; } portp->stats.state = portp->istate; @@ -2855,25 +2552,24 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) portp->stats.rxbuffered = 0; spin_lock_irqsave(&stallion_lock, flags); - if (portp->tty != (struct tty_struct *) NULL) { + if (portp->tty != NULL) if (portp->tty->driver_data == portp) { portp->stats.ttystate = portp->tty->flags; /* No longer available as a statistic */ portp->stats.rxbuffered = 1; /*portp->tty->flip.count; */ - if (portp->tty->termios != (struct termios *) NULL) { + if (portp->tty->termios != NULL) { portp->stats.cflags = portp->tty->termios->c_cflag; portp->stats.iflags = portp->tty->termios->c_iflag; portp->stats.oflags = portp->tty->termios->c_oflag; portp->stats.lflags = portp->tty->termios->c_lflag; } } - } spin_unlock_irqrestore(&stallion_lock, flags); head = portp->tx.head; tail = portp->tx.tail; - portp->stats.txbuffered = ((head >= tail) ? (head - tail) : - (STL_TXBUFSIZE - (tail - head))); + portp->stats.txbuffered = (head >= tail) ? (head - tail) : + (STL_TXBUFSIZE - (tail - head)); portp->stats.signals = (unsigned long) stl_getsignals(portp); @@ -2887,15 +2583,17 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) * Clear the port stats structure. We also return it zeroed out... */ -static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp) +static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp) { + comstats_t stl_comstats; + if (!portp) { if (copy_from_user(&stl_comstats, cp, sizeof(comstats_t))) return -EFAULT; portp = stl_getport(stl_comstats.brd, stl_comstats.panel, stl_comstats.port); - if (portp == (stlport_t *) NULL) - return(-ENODEV); + if (portp == NULL) + return -ENODEV; } memset(&portp->stats, 0, sizeof(comstats_t)); @@ -2912,17 +2610,18 @@ static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp) * Return the entire driver ports structure to a user app. */ -static int stl_getportstruct(stlport_t __user *arg) +static int stl_getportstruct(struct stlport __user *arg) { - stlport_t *portp; + struct stlport stl_dummyport; + struct stlport *portp; - if (copy_from_user(&stl_dummyport, arg, sizeof(stlport_t))) + if (copy_from_user(&stl_dummyport, arg, sizeof(struct stlport))) return -EFAULT; portp = stl_getport(stl_dummyport.brdnr, stl_dummyport.panelnr, stl_dummyport.portnr); if (!portp) return -ENODEV; - return copy_to_user(arg, portp, sizeof(stlport_t)) ? -EFAULT : 0; + return copy_to_user(arg, portp, sizeof(struct stlport)) ? -EFAULT : 0; } /*****************************************************************************/ @@ -2931,18 +2630,19 @@ static int stl_getportstruct(stlport_t __user *arg) * Return the entire driver board structure to a user app. */ -static int stl_getbrdstruct(stlbrd_t __user *arg) +static int stl_getbrdstruct(struct stlbrd __user *arg) { - stlbrd_t *brdp; + struct stlbrd stl_dummybrd; + struct stlbrd *brdp; - if (copy_from_user(&stl_dummybrd, arg, sizeof(stlbrd_t))) + if (copy_from_user(&stl_dummybrd, arg, sizeof(struct stlbrd))) return -EFAULT; - if ((stl_dummybrd.brdnr < 0) || (stl_dummybrd.brdnr >= STL_MAXBRDS)) + if (stl_dummybrd.brdnr >= STL_MAXBRDS) return -ENODEV; brdp = stl_brds[stl_dummybrd.brdnr]; if (!brdp) - return(-ENODEV); - return copy_to_user(arg, brdp, sizeof(stlbrd_t)) ? -EFAULT : 0; + return -ENODEV; + return copy_to_user(arg, brdp, sizeof(struct stlbrd)) ? -EFAULT : 0; } /*****************************************************************************/ @@ -2958,14 +2658,11 @@ static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, uns int brdnr, rc; void __user *argp = (void __user *)arg; -#ifdef DEBUG - printk("stl_memioctl(ip=%x,fp=%x,cmd=%x,arg=%x)\n", (int) ip, - (int) fp, cmd, (int) arg); -#endif + pr_debug("stl_memioctl(ip=%p,fp=%p,cmd=%x,arg=%lx)\n", ip, fp, cmd,arg); brdnr = iminor(ip); if (brdnr >= STL_MAXBRDS) - return(-ENODEV); + return -ENODEV; rc = 0; switch (cmd) { @@ -2989,7 +2686,7 @@ static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, uns break; } - return(rc); + return rc; } static const struct tty_operations stl_ops = { @@ -3017,55 +2714,6 @@ static const struct tty_operations stl_ops = { }; /*****************************************************************************/ - -static int __init stl_init(void) -{ - int i; - printk(KERN_INFO "%s: version %s\n", stl_drvtitle, stl_drvversion); - - spin_lock_init(&stallion_lock); - spin_lock_init(&brd_lock); - - stl_initbrds(); - - stl_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS); - if (!stl_serial) - return -1; - -/* - * Set up a character driver for per board stuff. This is mainly used - * to do stats ioctls on the ports. - */ - if (register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stl_fsiomem)) - printk("STALLION: failed to register serial board device\n"); - - stallion_class = class_create(THIS_MODULE, "staliomem"); - for (i = 0; i < 4; i++) - class_device_create(stallion_class, NULL, - MKDEV(STL_SIOMEMMAJOR, i), NULL, - "staliomem%d", i); - - stl_serial->owner = THIS_MODULE; - stl_serial->driver_name = stl_drvname; - stl_serial->name = "ttyE"; - stl_serial->major = STL_SERIALMAJOR; - stl_serial->minor_start = 0; - stl_serial->type = TTY_DRIVER_TYPE_SERIAL; - stl_serial->subtype = SERIAL_TYPE_NORMAL; - stl_serial->init_termios = stl_deftermios; - stl_serial->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(stl_serial, &stl_ops); - - if (tty_register_driver(stl_serial)) { - put_tty_driver(stl_serial); - printk("STALLION: failed to register serial driver\n"); - return -1; - } - - return 0; -} - -/*****************************************************************************/ /* CD1400 HARDWARE FUNCTIONS */ /*****************************************************************************/ @@ -3075,21 +2723,21 @@ static int __init stl_init(void) * (Maybe should make this inline...) */ -static int stl_cd1400getreg(stlport_t *portp, int regnr) +static int stl_cd1400getreg(struct stlport *portp, int regnr) { outb((regnr + portp->uartaddr), portp->ioaddr); return inb(portp->ioaddr + EREG_DATA); } -static void stl_cd1400setreg(stlport_t *portp, int regnr, int value) +static void stl_cd1400setreg(struct stlport *portp, int regnr, int value) { - outb((regnr + portp->uartaddr), portp->ioaddr); + outb(regnr + portp->uartaddr, portp->ioaddr); outb(value, portp->ioaddr + EREG_DATA); } -static int stl_cd1400updatereg(stlport_t *portp, int regnr, int value) +static int stl_cd1400updatereg(struct stlport *portp, int regnr, int value) { - outb((regnr + portp->uartaddr), portp->ioaddr); + outb(regnr + portp->uartaddr, portp->ioaddr); if (inb(portp->ioaddr + EREG_DATA) != value) { outb(value, portp->ioaddr + EREG_DATA); return 1; @@ -3105,16 +2753,14 @@ static int stl_cd1400updatereg(stlport_t *portp, int regnr, int value) * identical when dealing with ports. */ -static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) +static int stl_cd1400panelinit(struct stlbrd *brdp, struct stlpanel *panelp) { unsigned int gfrcr; int chipmask, i, j; int nrchips, uartaddr, ioaddr; unsigned long flags; -#ifdef DEBUG - printk("stl_panelinit(brdp=%x,panelp=%x)\n", (int) brdp, (int) panelp); -#endif + pr_debug("stl_panelinit(brdp=%p,panelp=%p)\n", brdp, panelp); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(panelp->brdnr, panelp->pagenr); @@ -3124,13 +2770,12 @@ static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) */ chipmask = 0; nrchips = panelp->nrports / CD1400_PORTS; - for (i = 0; (i < nrchips); i++) { + for (i = 0; i < nrchips; i++) { if (brdp->brdtype == BRD_ECHPCI) { outb((panelp->pagenr + (i >> 1)), brdp->ioctrl); ioaddr = panelp->iobase; - } else { + } else ioaddr = panelp->iobase + (EREG_BANKSIZE * (i >> 1)); - } uartaddr = (i & 0x01) ? 0x080 : 0; outb((GFRCR + uartaddr), ioaddr); outb(0, (ioaddr + EREG_DATA)); @@ -3138,10 +2783,10 @@ static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) outb(CCR_RESETFULL, (ioaddr + EREG_DATA)); outb(CCR_RESETFULL, (ioaddr + EREG_DATA)); outb((GFRCR + uartaddr), ioaddr); - for (j = 0; (j < CCR_MAXWAIT); j++) { + for (j = 0; j < CCR_MAXWAIT; j++) if ((gfrcr = inb(ioaddr + EREG_DATA)) != 0) break; - } + if ((j >= CCR_MAXWAIT) || (gfrcr < 0x40) || (gfrcr > 0x60)) { printk("STALLION: cd1400 not responding, " "brd=%d panel=%d chip=%d\n", @@ -3164,16 +2809,14 @@ static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) * Initialize hardware specific port registers. */ -static void stl_cd1400portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp) +static void stl_cd1400portinit(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400portinit(brdp=%x,panelp=%x,portp=%x)\n", - (int) brdp, (int) panelp, (int) portp); -#endif + pr_debug("stl_cd1400portinit(brdp=%p,panelp=%p,portp=%p)\n", brdp, + panelp, portp); - if ((brdp == (stlbrd_t *) NULL) || (panelp == (stlpanel_t *) NULL) || - (portp == (stlport_t *) NULL)) + if ((brdp == NULL) || (panelp == NULL) || + (portp == NULL)) return; spin_lock_irqsave(&brd_lock, flags); @@ -3197,15 +2840,13 @@ static void stl_cd1400portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *po * since it won't usually take too long to be ready. */ -static void stl_cd1400ccrwait(stlport_t *portp) +static void stl_cd1400ccrwait(struct stlport *portp) { int i; - for (i = 0; (i < CCR_MAXWAIT); i++) { - if (stl_cd1400getreg(portp, CCR) == 0) { + for (i = 0; i < CCR_MAXWAIT; i++) + if (stl_cd1400getreg(portp, CCR) == 0) return; - } - } printk("STALLION: cd1400 not responding, port=%d panel=%d brd=%d\n", portp->portnr, portp->panelnr, portp->brdnr); @@ -3218,9 +2859,9 @@ static void stl_cd1400ccrwait(stlport_t *portp) * settings. */ -static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) +static void stl_cd1400setport(struct stlport *portp, struct ktermios *tiosp) { - stlbrd_t *brdp; + struct stlbrd *brdp; unsigned long flags; unsigned int clkdiv, baudrate; unsigned char cor1, cor2, cor3; @@ -3244,7 +2885,7 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) sreroff = 0; brdp = stl_brds[portp->brdnr]; - if (brdp == (stlbrd_t *) NULL) + if (brdp == NULL) return; /* @@ -3341,8 +2982,8 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) baudrate = STL_CD1400MAXBAUD; if (baudrate > 0) { - for (clk = 0; (clk < CD1400_NUMCLKS); clk++) { - clkdiv = ((portp->clk / stl_cd1400clkdivs[clk]) / baudrate); + for (clk = 0; clk < CD1400_NUMCLKS; clk++) { + clkdiv = (portp->clk / stl_cd1400clkdivs[clk]) / baudrate; if (clkdiv < 0x100) break; } @@ -3357,9 +2998,8 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) mcor2 |= MCOR2_DCD; sreron |= SRER_MODEM; portp->flags |= ASYNC_CHECK_CD; - } else { + } else portp->flags &= ~ASYNC_CHECK_CD; - } /* * Setup cd1400 enhanced modes if we can. In particular we want to @@ -3384,18 +3024,16 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) * them all up. */ -#ifdef DEBUG - printk("SETPORT: portnr=%d panelnr=%d brdnr=%d\n", + pr_debug("SETPORT: portnr=%d panelnr=%d brdnr=%d\n", portp->portnr, portp->panelnr, portp->brdnr); - printk(" cor1=%x cor2=%x cor3=%x cor4=%x cor5=%x\n", + pr_debug(" cor1=%x cor2=%x cor3=%x cor4=%x cor5=%x\n", cor1, cor2, cor3, cor4, cor5); - printk(" mcor1=%x mcor2=%x rtpr=%x sreron=%x sreroff=%x\n", + pr_debug(" mcor1=%x mcor2=%x rtpr=%x sreron=%x sreroff=%x\n", mcor1, mcor2, rtpr, sreron, sreroff); - printk(" tcor=%x tbpr=%x rcor=%x rbpr=%x\n", clk, div, clk, div); - printk(" schr1=%x schr2=%x schr3=%x schr4=%x\n", + pr_debug(" tcor=%x tbpr=%x rcor=%x rbpr=%x\n", clk, div, clk, div); + pr_debug(" schr1=%x schr2=%x schr3=%x schr4=%x\n", tiosp->c_cc[VSTART], tiosp->c_cc[VSTOP], tiosp->c_cc[VSTART], tiosp->c_cc[VSTOP]); -#endif spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -3443,15 +3081,13 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) * Set the state of the DTR and RTS signals. */ -static void stl_cd1400setsignals(stlport_t *portp, int dtr, int rts) +static void stl_cd1400setsignals(struct stlport *portp, int dtr, int rts) { unsigned char msvr1, msvr2; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400setsignals(portp=%x,dtr=%d,rts=%d)\n", - (int) portp, dtr, rts); -#endif + pr_debug("stl_cd1400setsignals(portp=%p,dtr=%d,rts=%d)\n", + portp, dtr, rts); msvr1 = 0; msvr2 = 0; @@ -3477,15 +3113,13 @@ static void stl_cd1400setsignals(stlport_t *portp, int dtr, int rts) * Return the state of the signals. */ -static int stl_cd1400getsignals(stlport_t *portp) +static int stl_cd1400getsignals(struct stlport *portp) { unsigned char msvr1, msvr2; unsigned long flags; int sigs; -#ifdef DEBUG - printk("stl_cd1400getsignals(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_cd1400getsignals(portp=%p)\n", portp); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -3515,15 +3149,13 @@ static int stl_cd1400getsignals(stlport_t *portp) * Enable/Disable the Transmitter and/or Receiver. */ -static void stl_cd1400enablerxtx(stlport_t *portp, int rx, int tx) +static void stl_cd1400enablerxtx(struct stlport *portp, int rx, int tx) { unsigned char ccr; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400enablerxtx(portp=%x,rx=%d,tx=%d)\n", - (int) portp, rx, tx); -#endif + pr_debug("stl_cd1400enablerxtx(portp=%p,rx=%d,tx=%d)\n", portp, rx, tx); + ccr = 0; if (tx == 0) @@ -3551,15 +3183,12 @@ static void stl_cd1400enablerxtx(stlport_t *portp, int rx, int tx) * Start/stop the Transmitter and/or Receiver. */ -static void stl_cd1400startrxtx(stlport_t *portp, int rx, int tx) +static void stl_cd1400startrxtx(struct stlport *portp, int rx, int tx) { unsigned char sreron, sreroff; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400startrxtx(portp=%x,rx=%d,tx=%d)\n", - (int) portp, rx, tx); -#endif + pr_debug("stl_cd1400startrxtx(portp=%p,rx=%d,tx=%d)\n", portp, rx, tx); sreron = 0; sreroff = 0; @@ -3591,13 +3220,12 @@ static void stl_cd1400startrxtx(stlport_t *portp, int rx, int tx) * Disable all interrupts from this port. */ -static void stl_cd1400disableintrs(stlport_t *portp) +static void stl_cd1400disableintrs(struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400disableintrs(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_cd1400disableintrs(portp=%p)\n", portp); + spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); stl_cd1400setreg(portp, CAR, (portp->portnr & 0x03)); @@ -3608,13 +3236,11 @@ static void stl_cd1400disableintrs(stlport_t *portp) /*****************************************************************************/ -static void stl_cd1400sendbreak(stlport_t *portp, int len) +static void stl_cd1400sendbreak(struct stlport *portp, int len) { unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400sendbreak(portp=%x,len=%d)\n", (int) portp, len); -#endif + pr_debug("stl_cd1400sendbreak(portp=%p,len=%d)\n", portp, len); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -3635,19 +3261,17 @@ static void stl_cd1400sendbreak(stlport_t *portp, int len) * Take flow control actions... */ -static void stl_cd1400flowctrl(stlport_t *portp, int state) +static void stl_cd1400flowctrl(struct stlport *portp, int state) { struct tty_struct *tty; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400flowctrl(portp=%x,state=%x)\n", (int) portp, state); -#endif + pr_debug("stl_cd1400flowctrl(portp=%p,state=%x)\n", portp, state); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -3699,19 +3323,17 @@ static void stl_cd1400flowctrl(stlport_t *portp, int state) * Send a flow control character... */ -static void stl_cd1400sendflow(stlport_t *portp, int state) +static void stl_cd1400sendflow(struct stlport *portp, int state) { struct tty_struct *tty; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400sendflow(portp=%x,state=%x)\n", (int) portp, state); -#endif + pr_debug("stl_cd1400sendflow(portp=%p,state=%x)\n", portp, state); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -3734,15 +3356,13 @@ static void stl_cd1400sendflow(stlport_t *portp, int state) /*****************************************************************************/ -static void stl_cd1400flush(stlport_t *portp) +static void stl_cd1400flush(struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400flush(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_cd1400flush(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -3765,13 +3385,11 @@ static void stl_cd1400flush(stlport_t *portp) * maintains the busy port flag. */ -static int stl_cd1400datastate(stlport_t *portp) +static int stl_cd1400datastate(struct stlport *portp) { -#ifdef DEBUG - printk("stl_cd1400datastate(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_cd1400datastate(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; return test_bit(ASYI_TXBUSY, &portp->istate) ? 1 : 0; @@ -3783,14 +3401,11 @@ static int stl_cd1400datastate(stlport_t *portp) * Interrupt service routine for cd1400 EasyIO boards. */ -static void stl_cd1400eiointr(stlpanel_t *panelp, unsigned int iobase) +static void stl_cd1400eiointr(struct stlpanel *panelp, unsigned int iobase) { unsigned char svrtype; -#ifdef DEBUG - printk("stl_cd1400eiointr(panelp=%x,iobase=%x)\n", - (int) panelp, iobase); -#endif + pr_debug("stl_cd1400eiointr(panelp=%p,iobase=%x)\n", panelp, iobase); spin_lock(&brd_lock); outb(SVRR, iobase); @@ -3816,14 +3431,11 @@ static void stl_cd1400eiointr(stlpanel_t *panelp, unsigned int iobase) * Interrupt service routine for cd1400 panels. */ -static void stl_cd1400echintr(stlpanel_t *panelp, unsigned int iobase) +static void stl_cd1400echintr(struct stlpanel *panelp, unsigned int iobase) { unsigned char svrtype; -#ifdef DEBUG - printk("stl_cd1400echintr(panelp=%x,iobase=%x)\n", (int) panelp, - iobase); -#endif + pr_debug("stl_cd1400echintr(panelp=%p,iobase=%x)\n", panelp, iobase); outb(SVRR, iobase); svrtype = inb(iobase + EREG_DATA); @@ -3845,7 +3457,7 @@ static void stl_cd1400echintr(stlpanel_t *panelp, unsigned int iobase) * this is the only way to generate them on the cd1400. */ -static inline int stl_cd1400breakisr(stlport_t *portp, int ioaddr) +static int stl_cd1400breakisr(struct stlport *portp, int ioaddr) { if (portp->brklen == 1) { outb((COR2 + portp->uartaddr), ioaddr); @@ -3887,16 +3499,14 @@ static inline int stl_cd1400breakisr(stlport_t *portp, int ioaddr) * be NULL if the buffer has been freed. */ -static void stl_cd1400txisr(stlpanel_t *panelp, int ioaddr) +static void stl_cd1400txisr(struct stlpanel *panelp, int ioaddr) { - stlport_t *portp; + struct stlport *portp; int len, stlen; char *head, *tail; unsigned char ioack, srer; -#ifdef DEBUG - printk("stl_cd1400txisr(panelp=%x,ioaddr=%x)\n", (int) panelp, ioaddr); -#endif + pr_debug("stl_cd1400txisr(panelp=%p,ioaddr=%x)\n", panelp, ioaddr); ioack = inb(ioaddr + EREG_TXACK); if (((ioack & panelp->ackmask) != 0) || @@ -3935,9 +3545,9 @@ static void stl_cd1400txisr(stlpanel_t *panelp, int ioaddr) } outb(srer, (ioaddr + EREG_DATA)); } else { - len = MIN(len, CD1400_TXFIFOSIZE); + len = min(len, CD1400_TXFIFOSIZE); portp->stats.txtotal += len; - stlen = MIN(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); + stlen = min(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); outb((TDR + portp->uartaddr), ioaddr); outsb((ioaddr + EREG_DATA), tail, stlen); len -= stlen; @@ -3968,17 +3578,15 @@ stl_txalldone: * shutdown a port not in user context. Need to handle this case. */ -static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) +static void stl_cd1400rxisr(struct stlpanel *panelp, int ioaddr) { - stlport_t *portp; + struct stlport *portp; struct tty_struct *tty; unsigned int ioack, len, buflen; unsigned char status; char ch; -#ifdef DEBUG - printk("stl_cd1400rxisr(panelp=%x,ioaddr=%x)\n", (int) panelp, ioaddr); -#endif + pr_debug("stl_cd1400rxisr(panelp=%p,ioaddr=%x)\n", panelp, ioaddr); ioack = inb(ioaddr + EREG_RXACK); if ((ioack & panelp->ackmask) != 0) { @@ -3992,13 +3600,13 @@ static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) outb((RDCR + portp->uartaddr), ioaddr); len = inb(ioaddr + EREG_DATA); if (tty == NULL || (buflen = tty_buffer_request_room(tty, len)) == 0) { - len = MIN(len, sizeof(stl_unwanted)); + len = min(len, sizeof(stl_unwanted)); outb((RDSR + portp->uartaddr), ioaddr); insb((ioaddr + EREG_DATA), &stl_unwanted[0], len); portp->stats.rxlost += len; portp->stats.rxtotal += len; } else { - len = MIN(len, buflen); + len = min(len, buflen); if (len > 0) { unsigned char *ptr; outb((RDSR + portp->uartaddr), ioaddr); @@ -4035,18 +3643,16 @@ static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) do_SAK(tty); BRDENABLE(portp->brdnr, portp->pagenr); } - } else if (status & ST_PARITY) { + } else if (status & ST_PARITY) status = TTY_PARITY; - } else if (status & ST_FRAMING) { + else if (status & ST_FRAMING) status = TTY_FRAME; - } else if(status & ST_OVERRUN) { + else if(status & ST_OVERRUN) status = TTY_OVERRUN; - } else { + else status = 0; - } - } else { + } else status = 0; - } tty_insert_flip_char(tty, ch, status); tty_schedule_flip(tty); } @@ -4068,15 +3674,13 @@ stl_rxalldone: * processing routine. */ -static void stl_cd1400mdmisr(stlpanel_t *panelp, int ioaddr) +static void stl_cd1400mdmisr(struct stlpanel *panelp, int ioaddr) { - stlport_t *portp; + struct stlport *portp; unsigned int ioack; unsigned char misr; -#ifdef DEBUG - printk("stl_cd1400mdmisr(panelp=%x)\n", (int) panelp); -#endif + pr_debug("stl_cd1400mdmisr(panelp=%p)\n", panelp); ioack = inb(ioaddr + EREG_MDACK); if (((ioack & panelp->ackmask) != 0) || @@ -4108,19 +3712,19 @@ static void stl_cd1400mdmisr(stlpanel_t *panelp, int ioaddr) * (Maybe should make this inline...) */ -static int stl_sc26198getreg(stlport_t *portp, int regnr) +static int stl_sc26198getreg(struct stlport *portp, int regnr) { outb((regnr | portp->uartaddr), (portp->ioaddr + XP_ADDR)); return inb(portp->ioaddr + XP_DATA); } -static void stl_sc26198setreg(stlport_t *portp, int regnr, int value) +static void stl_sc26198setreg(struct stlport *portp, int regnr, int value) { outb((regnr | portp->uartaddr), (portp->ioaddr + XP_ADDR)); outb(value, (portp->ioaddr + XP_DATA)); } -static int stl_sc26198updatereg(stlport_t *portp, int regnr, int value) +static int stl_sc26198updatereg(struct stlport *portp, int regnr, int value) { outb((regnr | portp->uartaddr), (portp->ioaddr + XP_ADDR)); if (inb(portp->ioaddr + XP_DATA) != value) { @@ -4136,14 +3740,14 @@ static int stl_sc26198updatereg(stlport_t *portp, int regnr, int value) * Functions to get and set the sc26198 global registers. */ -static int stl_sc26198getglobreg(stlport_t *portp, int regnr) +static int stl_sc26198getglobreg(struct stlport *portp, int regnr) { outb(regnr, (portp->ioaddr + XP_ADDR)); return inb(portp->ioaddr + XP_DATA); } #if 0 -static void stl_sc26198setglobreg(stlport_t *portp, int regnr, int value) +static void stl_sc26198setglobreg(struct stlport *portp, int regnr, int value) { outb(regnr, (portp->ioaddr + XP_ADDR)); outb(value, (portp->ioaddr + XP_DATA)); @@ -4158,15 +3762,12 @@ static void stl_sc26198setglobreg(stlport_t *portp, int regnr, int value) * identical when dealing with ports. */ -static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp) +static int stl_sc26198panelinit(struct stlbrd *brdp, struct stlpanel *panelp) { int chipmask, i; int nrchips, ioaddr; -#ifdef DEBUG - printk("stl_sc26198panelinit(brdp=%x,panelp=%x)\n", - (int) brdp, (int) panelp); -#endif + pr_debug("stl_sc26198panelinit(brdp=%p,panelp=%p)\n", brdp, panelp); BRDENABLE(panelp->brdnr, panelp->pagenr); @@ -4178,7 +3779,7 @@ static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp) if (brdp->brdtype == BRD_ECHPCI) outb(panelp->pagenr, brdp->ioctrl); - for (i = 0; (i < nrchips); i++) { + for (i = 0; i < nrchips; i++) { ioaddr = panelp->iobase + (i * 4); outb(SCCR, (ioaddr + XP_ADDR)); outb(CR_RESETALL, (ioaddr + XP_DATA)); @@ -4206,15 +3807,13 @@ static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp) * Initialize hardware specific port registers. */ -static void stl_sc26198portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp) +static void stl_sc26198portinit(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp) { -#ifdef DEBUG - printk("stl_sc26198portinit(brdp=%x,panelp=%x,portp=%x)\n", - (int) brdp, (int) panelp, (int) portp); -#endif + pr_debug("stl_sc26198portinit(brdp=%p,panelp=%p,portp=%p)\n", brdp, + panelp, portp); - if ((brdp == (stlbrd_t *) NULL) || (panelp == (stlpanel_t *) NULL) || - (portp == (stlport_t *) NULL)) + if ((brdp == NULL) || (panelp == NULL) || + (portp == NULL)) return; portp->ioaddr = panelp->iobase + ((portp->portnr < 8) ? 0 : 4); @@ -4234,9 +3833,9 @@ static void stl_sc26198portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *p * settings. */ -static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) +static void stl_sc26198setport(struct stlport *portp, struct ktermios *tiosp) { - stlbrd_t *brdp; + struct stlbrd *brdp; unsigned long flags; unsigned int baudrate; unsigned char mr0, mr1, mr2, clk; @@ -4251,7 +3850,7 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) imroff = 0; brdp = stl_brds[portp->brdnr]; - if (brdp == (stlbrd_t *) NULL) + if (brdp == NULL) return; /* @@ -4300,9 +3899,8 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) mr1 |= (MR1_PARENB | MR1_PARODD); else mr1 |= (MR1_PARENB | MR1_PAREVEN); - } else { + } else mr1 |= MR1_PARNONE; - } mr1 |= MR1_ERRBLOCK; @@ -4342,12 +3940,10 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) if (baudrate > STL_SC26198MAXBAUD) baudrate = STL_SC26198MAXBAUD; - if (baudrate > 0) { - for (clk = 0; (clk < SC26198_NRBAUDS); clk++) { + if (baudrate > 0) + for (clk = 0; clk < SC26198_NRBAUDS; clk++) if (baudrate <= sc26198_baudtable[clk]) break; - } - } /* * Check what form of modem signaling is required and set it up. @@ -4369,9 +3965,9 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) if (tiosp->c_iflag & IXON) { mr0 |= MR0_SWFTX | MR0_SWFT; imron |= IR_XONXOFF; - } else { + } else imroff |= IR_XONXOFF; - } + if (tiosp->c_iflag & IXOFF) mr0 |= MR0_SWFRX; @@ -4385,15 +3981,13 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) * them all up. */ -#ifdef DEBUG - printk("SETPORT: portnr=%d panelnr=%d brdnr=%d\n", + pr_debug("SETPORT: portnr=%d panelnr=%d brdnr=%d\n", portp->portnr, portp->panelnr, portp->brdnr); - printk(" mr0=%x mr1=%x mr2=%x clk=%x\n", mr0, mr1, mr2, clk); - printk(" iopr=%x imron=%x imroff=%x\n", iopr, imron, imroff); - printk(" schr1=%x schr2=%x schr3=%x schr4=%x\n", + pr_debug(" mr0=%x mr1=%x mr2=%x clk=%x\n", mr0, mr1, mr2, clk); + pr_debug(" iopr=%x imron=%x imroff=%x\n", iopr, imron, imroff); + pr_debug(" schr1=%x schr2=%x schr3=%x schr4=%x\n", tiosp->c_cc[VSTART], tiosp->c_cc[VSTOP], tiosp->c_cc[VSTART], tiosp->c_cc[VSTOP]); -#endif spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -4431,15 +4025,13 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) * Set the state of the DTR and RTS signals. */ -static void stl_sc26198setsignals(stlport_t *portp, int dtr, int rts) +static void stl_sc26198setsignals(struct stlport *portp, int dtr, int rts) { unsigned char iopioron, iopioroff; unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198setsignals(portp=%x,dtr=%d,rts=%d)\n", - (int) portp, dtr, rts); -#endif + pr_debug("stl_sc26198setsignals(portp=%p,dtr=%d,rts=%d)\n", portp, + dtr, rts); iopioron = 0; iopioroff = 0; @@ -4466,15 +4058,13 @@ static void stl_sc26198setsignals(stlport_t *portp, int dtr, int rts) * Return the state of the signals. */ -static int stl_sc26198getsignals(stlport_t *portp) +static int stl_sc26198getsignals(struct stlport *portp) { unsigned char ipr; unsigned long flags; int sigs; -#ifdef DEBUG - printk("stl_sc26198getsignals(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198getsignals(portp=%p)\n", portp); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -4497,15 +4087,12 @@ static int stl_sc26198getsignals(stlport_t *portp) * Enable/Disable the Transmitter and/or Receiver. */ -static void stl_sc26198enablerxtx(stlport_t *portp, int rx, int tx) +static void stl_sc26198enablerxtx(struct stlport *portp, int rx, int tx) { unsigned char ccr; unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198enablerxtx(portp=%x,rx=%d,tx=%d)\n", - (int) portp, rx, tx); -#endif + pr_debug("stl_sc26198enablerxtx(portp=%p,rx=%d,tx=%d)\n", portp, rx,tx); ccr = portp->crenable; if (tx == 0) @@ -4531,15 +4118,12 @@ static void stl_sc26198enablerxtx(stlport_t *portp, int rx, int tx) * Start/stop the Transmitter and/or Receiver. */ -static void stl_sc26198startrxtx(stlport_t *portp, int rx, int tx) +static void stl_sc26198startrxtx(struct stlport *portp, int rx, int tx) { unsigned char imr; unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198startrxtx(portp=%x,rx=%d,tx=%d)\n", - (int) portp, rx, tx); -#endif + pr_debug("stl_sc26198startrxtx(portp=%p,rx=%d,tx=%d)\n", portp, rx, tx); imr = portp->imr; if (tx == 0) @@ -4567,13 +4151,11 @@ static void stl_sc26198startrxtx(stlport_t *portp, int rx, int tx) * Disable all interrupts from this port. */ -static void stl_sc26198disableintrs(stlport_t *portp) +static void stl_sc26198disableintrs(struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198disableintrs(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198disableintrs(portp=%p)\n", portp); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -4585,22 +4167,20 @@ static void stl_sc26198disableintrs(stlport_t *portp) /*****************************************************************************/ -static void stl_sc26198sendbreak(stlport_t *portp, int len) +static void stl_sc26198sendbreak(struct stlport *portp, int len) { unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198sendbreak(portp=%x,len=%d)\n", (int) portp, len); -#endif + pr_debug("stl_sc26198sendbreak(portp=%p,len=%d)\n", portp, len); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); if (len == 1) { stl_sc26198setreg(portp, SCCR, CR_TXSTARTBREAK); portp->stats.txbreaks++; - } else { + } else stl_sc26198setreg(portp, SCCR, CR_TXSTOPBREAK); - } + BRDDISABLE(portp->brdnr); spin_unlock_irqrestore(&brd_lock, flags); } @@ -4611,20 +4191,18 @@ static void stl_sc26198sendbreak(stlport_t *portp, int len) * Take flow control actions... */ -static void stl_sc26198flowctrl(stlport_t *portp, int state) +static void stl_sc26198flowctrl(struct stlport *portp, int state) { struct tty_struct *tty; unsigned long flags; unsigned char mr0; -#ifdef DEBUG - printk("stl_sc26198flowctrl(portp=%x,state=%x)\n", (int) portp, state); -#endif + pr_debug("stl_sc26198flowctrl(portp=%p,state=%x)\n", portp, state); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -4682,20 +4260,18 @@ static void stl_sc26198flowctrl(stlport_t *portp, int state) * Send a flow control character. */ -static void stl_sc26198sendflow(stlport_t *portp, int state) +static void stl_sc26198sendflow(struct stlport *portp, int state) { struct tty_struct *tty; unsigned long flags; unsigned char mr0; -#ifdef DEBUG - printk("stl_sc26198sendflow(portp=%x,state=%x)\n", (int) portp, state); -#endif + pr_debug("stl_sc26198sendflow(portp=%p,state=%x)\n", portp, state); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -4723,15 +4299,13 @@ static void stl_sc26198sendflow(stlport_t *portp, int state) /*****************************************************************************/ -static void stl_sc26198flush(stlport_t *portp) +static void stl_sc26198flush(struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198flush(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198flush(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -4753,16 +4327,14 @@ static void stl_sc26198flush(stlport_t *portp) * check the port statusy register to be sure. */ -static int stl_sc26198datastate(stlport_t *portp) +static int stl_sc26198datastate(struct stlport *portp) { unsigned long flags; unsigned char sr; -#ifdef DEBUG - printk("stl_sc26198datastate(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198datastate(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; if (test_bit(ASYI_TXBUSY, &portp->istate)) return 1; @@ -4783,18 +4355,16 @@ static int stl_sc26198datastate(stlport_t *portp) * to process a command... */ -static void stl_sc26198wait(stlport_t *portp) +static void stl_sc26198wait(struct stlport *portp) { int i; -#ifdef DEBUG - printk("stl_sc26198wait(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198wait(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; - for (i = 0; (i < 20); i++) + for (i = 0; i < 20; i++) stl_sc26198getglobreg(portp, TSTR); } @@ -4806,7 +4376,7 @@ static void stl_sc26198wait(stlport_t *portp) * automatic flow control modes of the sc26198. */ -static inline void stl_sc26198txunflow(stlport_t *portp, struct tty_struct *tty) +static void stl_sc26198txunflow(struct stlport *portp, struct tty_struct *tty) { unsigned char mr0; @@ -4824,9 +4394,9 @@ static inline void stl_sc26198txunflow(stlport_t *portp, struct tty_struct *tty) * Interrupt service routine for sc26198 panels. */ -static void stl_sc26198intr(stlpanel_t *panelp, unsigned int iobase) +static void stl_sc26198intr(struct stlpanel *panelp, unsigned int iobase) { - stlport_t *portp; + struct stlport *portp; unsigned int iack; spin_lock(&brd_lock); @@ -4862,16 +4432,14 @@ static void stl_sc26198intr(stlpanel_t *panelp, unsigned int iobase) * be NULL if the buffer has been freed. */ -static void stl_sc26198txisr(stlport_t *portp) +static void stl_sc26198txisr(struct stlport *portp) { unsigned int ioaddr; unsigned char mr0; int len, stlen; char *head, *tail; -#ifdef DEBUG - printk("stl_sc26198txisr(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198txisr(portp=%p)\n", portp); ioaddr = portp->ioaddr; head = portp->tx.head; @@ -4896,9 +4464,9 @@ static void stl_sc26198txisr(stlport_t *portp) outb(mr0, (ioaddr + XP_DATA)); } } else { - len = MIN(len, SC26198_TXFIFOSIZE); + len = min(len, SC26198_TXFIFOSIZE); portp->stats.txtotal += len; - stlen = MIN(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); + stlen = min(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); outb(GTXFIFO, (ioaddr + XP_ADDR)); outsb((ioaddr + XP_DATA), tail, stlen); len -= stlen; @@ -4925,14 +4493,12 @@ static void stl_sc26198txisr(stlport_t *portp) * shutdown a port not in user context. Need to handle this case. */ -static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) +static void stl_sc26198rxisr(struct stlport *portp, unsigned int iack) { struct tty_struct *tty; unsigned int len, buflen, ioaddr; -#ifdef DEBUG - printk("stl_sc26198rxisr(portp=%x,iack=%x)\n", (int) portp, iack); -#endif + pr_debug("stl_sc26198rxisr(portp=%p,iack=%x)\n", portp, iack); tty = portp->tty; ioaddr = portp->ioaddr; @@ -4941,13 +4507,13 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) if ((iack & IVR_TYPEMASK) == IVR_RXDATA) { if (tty == NULL || (buflen = tty_buffer_request_room(tty, len)) == 0) { - len = MIN(len, sizeof(stl_unwanted)); + len = min(len, sizeof(stl_unwanted)); outb(GRXFIFO, (ioaddr + XP_ADDR)); insb((ioaddr + XP_DATA), &stl_unwanted[0], len); portp->stats.rxlost += len; portp->stats.rxtotal += len; } else { - len = MIN(len, buflen); + len = min(len, buflen); if (len > 0) { unsigned char *ptr; outb(GRXFIFO, (ioaddr + XP_ADDR)); @@ -4967,8 +4533,8 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) * flow control modes of the sc26198. */ if (test_bit(ASYI_TXFLOWED, &portp->istate)) { - if ((tty != (struct tty_struct *) NULL) && - (tty->termios != (struct termios *) NULL) && + if ((tty != NULL) && + (tty->termios != NULL) && (tty->termios->c_iflag & IXANY)) { stl_sc26198txunflow(portp, tty); } @@ -4981,7 +4547,7 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) * Process an RX bad character. */ -static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, char ch) +static void stl_sc26198rxbadch(struct stlport *portp, unsigned char status, char ch) { struct tty_struct *tty; unsigned int ioaddr; @@ -4998,7 +4564,7 @@ static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, ch if (status & SR_RXBREAK) portp->stats.rxbreaks++; - if ((tty != (struct tty_struct *) NULL) && + if ((tty != NULL) && ((portp->rxignoremsk & status) == 0)) { if (portp->rxmarkmsk & status) { if (status & SR_RXBREAK) { @@ -5007,18 +4573,16 @@ static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, ch do_SAK(tty); BRDENABLE(portp->brdnr, portp->pagenr); } - } else if (status & SR_RXPARITY) { + } else if (status & SR_RXPARITY) status = TTY_PARITY; - } else if (status & SR_RXFRAMING) { + else if (status & SR_RXFRAMING) status = TTY_FRAME; - } else if(status & SR_RXOVERRUN) { + else if(status & SR_RXOVERRUN) status = TTY_OVERRUN; - } else { + else status = 0; - } - } else { + } else status = 0; - } tty_insert_flip_char(tty, ch, status); tty_schedule_flip(tty); @@ -5039,7 +4603,7 @@ static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, ch * the FIFO). */ -static void stl_sc26198rxbadchars(stlport_t *portp) +static void stl_sc26198rxbadchars(struct stlport *portp) { unsigned char status, mr1; char ch; @@ -5072,13 +4636,11 @@ static void stl_sc26198rxbadchars(stlport_t *portp) * processing time. */ -static void stl_sc26198otherisr(stlport_t *portp, unsigned int iack) +static void stl_sc26198otherisr(struct stlport *portp, unsigned int iack) { unsigned char cir, ipr, xisr; -#ifdef DEBUG - printk("stl_sc26198otherisr(portp=%x,iack=%x)\n", (int) portp, iack); -#endif + pr_debug("stl_sc26198otherisr(portp=%p,iack=%x)\n", portp, iack); cir = stl_sc26198getglobreg(portp, CIR); @@ -5111,4 +4673,172 @@ static void stl_sc26198otherisr(stlport_t *portp, unsigned int iack) } } -/*****************************************************************************/ +static void stl_free_isabrds(void) +{ + struct stlbrd *brdp; + unsigned int i; + + for (i = 0; i < stl_nrbrds; i++) { + if ((brdp = stl_brds[i]) == NULL || (brdp->state & STL_PROBED)) + continue; + + free_irq(brdp->irq, brdp); + + stl_cleanup_panels(brdp); + + release_region(brdp->ioaddr1, brdp->iosize1); + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); + + kfree(brdp); + stl_brds[i] = NULL; + } +} + +/* + * Loadable module initialization stuff. + */ +static int __init stallion_module_init(void) +{ + struct stlbrd *brdp; + struct stlconf conf; + unsigned int i, j; + int retval; + + printk(KERN_INFO "%s: version %s\n", stl_drvtitle, stl_drvversion); + + spin_lock_init(&stallion_lock); + spin_lock_init(&brd_lock); + +/* + * Find any dynamically supported boards. That is via module load + * line options. + */ + for (i = stl_nrbrds; i < stl_nargs; i++) { + memset(&conf, 0, sizeof(conf)); + if (stl_parsebrd(&conf, stl_brdsp[i]) == 0) + continue; + if ((brdp = stl_allocbrd()) == NULL) + continue; + brdp->brdnr = i; + brdp->brdtype = conf.brdtype; + brdp->ioaddr1 = conf.ioaddr1; + brdp->ioaddr2 = conf.ioaddr2; + brdp->irq = conf.irq; + brdp->irqtype = conf.irqtype; + if (stl_brdinit(brdp)) + kfree(brdp); + else { + for (j = 0; j < brdp->nrports; j++) + tty_register_device(stl_serial, + brdp->brdnr * STL_MAXPORTS + j, NULL); + stl_brds[brdp->brdnr] = brdp; + stl_nrbrds = i + 1; + } + } + + /* this has to be _after_ isa finding because of locking */ + retval = pci_register_driver(&stl_pcidriver); + if (retval && stl_nrbrds == 0) + goto err; + + stl_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS); + if (!stl_serial) { + retval = -ENOMEM; + goto err_pcidr; + } + +/* + * Set up a character driver for per board stuff. This is mainly used + * to do stats ioctls on the ports. + */ + if (register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stl_fsiomem)) + printk("STALLION: failed to register serial board device\n"); + + stallion_class = class_create(THIS_MODULE, "staliomem"); + if (IS_ERR(stallion_class)) { + retval = PTR_ERR(stallion_class); + goto err_reg; + } + for (i = 0; i < 4; i++) + class_device_create(stallion_class, NULL, + MKDEV(STL_SIOMEMMAJOR, i), NULL, + "staliomem%d", i); + + stl_serial->owner = THIS_MODULE; + stl_serial->driver_name = stl_drvname; + stl_serial->name = "ttyE"; + stl_serial->major = STL_SERIALMAJOR; + stl_serial->minor_start = 0; + stl_serial->type = TTY_DRIVER_TYPE_SERIAL; + stl_serial->subtype = SERIAL_TYPE_NORMAL; + stl_serial->init_termios = stl_deftermios; + stl_serial->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; + tty_set_operations(stl_serial, &stl_ops); + + retval = tty_register_driver(stl_serial); + if (retval) { + printk("STALLION: failed to register serial driver\n"); + goto err_clsdev; + } + + return 0; +err_clsdev: + for (i = 0; i < 4; i++) + class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i)); + class_destroy(stallion_class); +err_reg: + unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"); + put_tty_driver(stl_serial); +err_pcidr: + pci_unregister_driver(&stl_pcidriver); + stl_free_isabrds(); +err: + return retval; +} + +static void __exit stallion_module_exit(void) +{ + struct stlbrd *brdp; + unsigned int i, j; + int retval; + + pr_debug("cleanup_module()\n"); + + printk(KERN_INFO "Unloading %s: version %s\n", stl_drvtitle, + stl_drvversion); + +/* + * Free up all allocated resources used by the ports. This includes + * memory and interrupts. As part of this process we will also do + * a hangup on every open port - to try to flush out any processes + * hanging onto ports. + */ + for (i = 0; i < stl_nrbrds; i++) { + if ((brdp = stl_brds[i]) == NULL || (brdp->state & STL_PROBED)) + continue; + for (j = 0; j < brdp->nrports; j++) + tty_unregister_device(stl_serial, + brdp->brdnr * STL_MAXPORTS + j); + } + tty_unregister_driver(stl_serial); + put_tty_driver(stl_serial); + + for (i = 0; i < 4; i++) + class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i)); + if ((retval = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"))) + printk("STALLION: failed to un-register serial memory device, " + "errno=%d\n", -retval); + class_destroy(stallion_class); + + pci_unregister_driver(&stl_pcidriver); + + stl_free_isabrds(); +} + +module_init(stallion_module_init); +module_exit(stallion_module_exit); + +MODULE_AUTHOR("Greg Ungerer"); +MODULE_DESCRIPTION("Stallion Multiport Serial Driver"); +MODULE_LICENSE("GPL"); |