/*
 *  linux/drivers/video/dummycon.c -- A dummy console driver
 *
 *  To be used if there's no other console driver (e.g. for plain VGA text)
 *  available, usually until fbcon takes console over.
 */

#include <linux/types.h>
#include <linux/kdev_t.h>
#include <linux/console.h>
#include <linux/vt_kern.h>
#include <linux/screen_info.h>
#include <linux/init.h>
#include <linux/module.h>

/*
 *  Dummy console driver
 */

#if defined(__arm__)
#define DUMMY_COLUMNS	screen_info.orig_video_cols
#define DUMMY_ROWS	screen_info.orig_video_lines
#else
/* set by Kconfig. Use 80x25 for 640x480 and 160x64 for 1280x1024 */
#define DUMMY_COLUMNS	CONFIG_DUMMY_CONSOLE_COLUMNS
#define DUMMY_ROWS	CONFIG_DUMMY_CONSOLE_ROWS
#endif

static const char *dummycon_startup(void)
{
    return "dummy device";
}

static void dummycon_init(struct vc_data *vc, int init)
{
    vc->vc_can_do_color = 1;
    if (init) {
	vc->vc_cols = DUMMY_COLUMNS;
	vc->vc_rows = DUMMY_ROWS;
    } else
	vc_resize(vc, DUMMY_COLUMNS, DUMMY_ROWS);
}

static int dummycon_dummy(void)
{
    return 0;
}

#define DUMMY	(void *)dummycon_dummy

/*
 *  The console `switch' structure for the dummy console
 *
 *  Most of the operations are dummies.
 */

const struct consw dummy_con = {
    .owner =		THIS_MODULE,
    .con_startup =	dummycon_startup,
    .con_init =		dummycon_init,
    .con_deinit =	DUMMY,
    .con_clear =	DUMMY,
    .con_putc =		DUMMY,
    .con_putcs =	DUMMY,
    .con_cursor =	DUMMY,
    .con_scroll =	DUMMY,
    .con_switch =	DUMMY,
    .con_blank =	DUMMY,
    .con_font_set =	DUMMY,
    .con_font_get =	DUMMY,
    .con_font_default =	DUMMY,
    .con_font_copy =	DUMMY,
};
EXPORT_SYMBOL_GPL(dummy_con);
bdaec82'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/drivers/usb/serial/oti6858.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/serial/oti6858.h?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/serial/oti6858.h?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/serial/oti6858.h?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/serial/oti6858.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/serial?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82'>serial</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/serial/oti6858.h?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82'>oti6858.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/serial/oti6858.h?h=nds-private-remove&amp;id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>