mesa.c File Reference

#include <linux/fs.h>
#include <linux/moduleparam.h>
#include <linux/module.h>
#include <linux/version.h>
#include <asm/io.h>
#include <linux/poll.h>
#include <linux/ioport.h>
#include <linux/cdev.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <nidas/linux/mesa.h>
#include <nidas/linux/ver_macros.h>
#include <nidas/linux/irigclock.h>
#include <nidas/linux/klog.h>
#include <nidas/linux/util.h>
#include <nidas/linux/isa_bus.h>
#include <nidas/linux/Revision.h>

Macros
#define	REPO_REVISION   "unknown"
#define	DEVNAME_MESA   "mesa"
#define	MESA_CNTR_SAMPLE_QUEUE_SIZE   128
#define	MESA_RADAR_SAMPLE_QUEUE_SIZE   32
#define	MESA_P260X_SAMPLE_QUEUE_SIZE   32

Functions
	MODULE_AUTHOR ("Mike Spowart <spowart@ucar.edu>")
	MODULE_DESCRIPTION ("Mesa ISA driver")
	MODULE_LICENSE ("GPL")
	MODULE_VERSION (REPO_REVISION)
	module_param_array (ioport, int, numboards, S_IRUGO)
	MODULE_PARM_DESC (ioport,"ISA memory base of each board (default 0x220)")
static void	read_counter (void *ptr)
static void	read_radar (void *ptr)
static void	read_260x (void *ptr)
static void	outportbwswap (struct MESA_Board *brd, unsigned char thebyte)
static int	load_start (struct MESA_Board *brd)
static int	load_finish (struct MESA_Board *brd)
static int	load_program (struct MESA_Board *brd, struct mesa_prog *buf)
static int	close_ports (struct MESA_Board *brd)
static int	mesa_open (struct inode *inode, struct file *filp)
static int	mesa_release (struct inode *inode, struct file *filp)
static int	data_ready (struct MESA_Board *brd)
static unsigned int	mesa_poll (struct file *filp, poll_table *wait)
static ssize_t	mesa_read (struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
static long	mesa_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
static void	mesa_cleanup (void)
static int __init	mesa_init (void)
	module_init (mesa_init)
	module_exit (mesa_cleanup)

Variables
static struct MESA_Board *	boards = 0
static int	numboards = 0
static unsigned int	ioport [MESA_4I34_MAX_NR_DEVS] = { 0x220, 0, 0, 0 }
static dev_t	mesa_device = MKDEV(0, 0)
static struct cdev	mesa_cdev
static struct class *	mesa_class
static struct file_operations	mesa_fops

Macro Definition Documentation

#define DEVNAME_MESA   "mesa"

Referenced by mesa_init().

#define MESA_CNTR_SAMPLE_QUEUE_SIZE   128

Referenced by mesa_ioctl(), and read_counter().

#define MESA_P260X_SAMPLE_QUEUE_SIZE   32

Referenced by mesa_ioctl(), and read_260x().

#define MESA_RADAR_SAMPLE_QUEUE_SIZE   32

Referenced by mesa_ioctl(), and read_radar().

#define REPO_REVISION   "unknown"

Referenced by mesa_init().

Function Documentation

static int close_ports ( struct MESA_Board *  brd )

static

References flush_irig_callbacks(), free_dsm_circ_buf(), and unregister_irig_callback().

Referenced by mesa_cleanup(), mesa_ioctl(), and mesa_release().

static int data_ready ( struct MESA_Board *  brd )

inlinestatic

Referenced by mesa_poll(), and mesa_read().

static int load_finish ( struct MESA_Board *  brd )

static

Referenced by mesa_ioctl().

static int load_program ( struct MESA_Board *  brd, struct mesa_prog *  buf  )

static

References mesa_prog::buffer, mesa_prog::len, and outportbwswap().

Referenced by mesa_ioctl().

static int load_start ( struct MESA_Board *  brd )

static

Referenced by mesa_ioctl().

static void mesa_cleanup ( void  )

static

References boards, close_ports(), mesa_cdev, mesa_class, mesa_device, and numboards.

Referenced by mesa_init().

static int __init mesa_init ( void  )

static

References boards, DEVNAME_MESA, err, ioport, mesa_cdev, mesa_class, mesa_cleanup(), mesa_device, mesa_fops, numboards, and REPO_REVISION.

static long mesa_ioctl ( struct file *  filp, unsigned int  cmd, unsigned long  arg  )

static

References alloc_dsm_circ_buf(), close_ports(), COUNTERS_SET, DIGITAL_IN_SET, free_dsm_circ_buf(), IRIG_100_HZ, IRIG_NUM_RATES, irigClockRateToEnum(), load_finish(), load_program(), load_start(), MESA_CNTR_SAMPLE_QUEUE_SIZE, MESA_IOC_MAXNR, MESA_LOAD_BLOCK, MESA_LOAD_DONE, MESA_LOAD_START, MESA_MAGIC, MESA_P260X_SAMPLE_QUEUE_SIZE, MESA_RADAR_SAMPLE_QUEUE_SIZE, MESA_STOP, MSECS_PER_SEC, N_COUNTERS, N_PMS260X, N_RADARS, counters_set::nChannels, radar_set::nChannels, pms260x_set::nChannels, PMS260X_SET, RADAR_SET, rate, counters_set::rate, radar_set::rate, pms260x_set::rate, read_260x(), read_counter(), read_radar(), register_irig_callback(), TWO_SIXTY_BINS, and unregister_irig_callback().

static int mesa_open ( struct inode *  inode, struct file *  filp  )

static

References boards, MSECS_PER_SEC, and numboards.

static unsigned int mesa_poll ( struct file *  filp, poll_table *  wait  )

static

References data_ready().

static ssize_t mesa_read ( struct file *  filp, char __user *  buf, size_t  count, loff_t *  f_pos  )

static

References data_ready(), and nidas_circbuf_read().

static int mesa_release ( struct inode *  inode, struct file *  filp  )

static

References close_ports().

MODULE_AUTHOR

(

"Mike Spowart <spowart@ucar.edu>"

)

MODULE_DESCRIPTION

(

"Mesa ISA driver"

)

module_exit

(

mesa_cleanup

)

module_init

(

mesa_init

)

MODULE_LICENSE

(

"GPL"

)

module_param_array	(	ioport	,
		int	,
		numboards	,
		S_IRUGO
	)

MODULE_PARM_DESC	(	ioport	,
		"ISA memory base of each board (default 0x220)"
	)

MODULE_VERSION

(

REPO_REVISION

)

static void outportbwswap ( struct MESA_Board *  brd, unsigned char  thebyte  )

static

Referenced by load_program().

static void read_260x ( void *  ptr )

static

References dsm_sample::data, ID_260X, dsm_sample::length, MESA_P260X_SAMPLE_QUEUE_SIZE, dsm_sample::timetag, and TWO_SIXTY_BINS.

Referenced by mesa_ioctl().

static void read_counter ( void *  ptr )

static

References dsm_sample::data, ID_COUNTERS, dsm_sample::length, MESA_CNTR_SAMPLE_QUEUE_SIZE, and dsm_sample::timetag.

Referenced by mesa_ioctl().

static void read_radar ( void *  ptr )

static

References dsm_sample::data, ID_RADAR, dsm_sample::length, MESA_RADAR_SAMPLE_QUEUE_SIZE, and dsm_sample::timetag.

Referenced by mesa_ioctl().

Variable Documentation

struct MESA_Board* boards = 0

static

Referenced by mesa_cleanup(), mesa_init(), and mesa_open().

unsigned int ioport[MESA_4I34_MAX_NR_DEVS] = { 0x220, 0, 0, 0 }

static

Referenced by mesa_init().

struct cdev mesa_cdev

static

Referenced by mesa_cleanup(), and mesa_init().

struct class* mesa_class

static

Referenced by mesa_cleanup(), and mesa_init().

dev_t mesa_device = MKDEV(0, 0)

static

Referenced by mesa_cleanup(), and mesa_init().

struct file_operations mesa_fops

static

Initial value:

= {
        .owner   = THIS_MODULE,
        .read    = mesa_read,
        .poll    = mesa_poll,
        .open    = mesa_open,
        .unlocked_ioctl   = mesa_ioctl,
        .release = mesa_release,
        .llseek  = no_llseek,
}

Referenced by mesa_init().

int numboards = 0

static

Referenced by mesa_cleanup(), mesa_init(), and mesa_open().