/*
 *  Manuel Jander.
 *
 *  Based on the work of:
 *  Vojtech Pavlik
 *  Raymond Ingles
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
 *
 * Based 90% on Vojtech Pavlik pcigame driver.
 * Merged and modified by Manuel Jander, for the OpenVortex
 * driver. (email: mjander@embedded.cl).
 */

#include <linux/time.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <sound/core.h>
#include "au88x0.h"
#include <linux/gameport.h>
#include <linux/export.h>

#if IS_REACHABLE(CONFIG_GAMEPORT)

#define VORTEX_GAME_DWAIT	20	/* 20 ms */

static unsigned char vortex_game_read(struct gameport *gameport)
{
	vortex_t *vortex = gameport_get_port_data(gameport);
	return hwread(vortex->mmio, VORTEX_GAME_LEGACY);
}

static void vortex_game_trigger(struct gameport *gameport)
{
	vortex_t *vortex = gameport_get_port_data(gameport);
	hwwrite(vortex->mmio, VORTEX_GAME_LEGACY, 0xff);
}

static int
vortex_game_cooked_read(struct gameport *gameport, int *axes, int *buttons)
{
	vortex_t *vortex = gameport_get_port_data(gameport);
	int i;

	*buttons = (~hwread(vortex->mmio, VORTEX_GAME_LEGACY) >> 4) & 0xf;

	for (i = 0; i < 4; i++) {
		axes[i] =
		    hwread(vortex->mmio, VORTEX_GAME_AXIS + (i * AXIS_SIZE));
		if (axes[i] == AXIS_RANGE)
			axes[i] = -1;
	}
	return 0;
}

static int vortex_game_open(struct gameport *gameport, int mode)
{
	vortex_t *vortex = gameport_get_port_data(gameport);

	switch (mode) {
	case GAMEPORT_MODE_COOKED:
		hwwrite(vortex->mmio, VORTEX_CTRL2,
			hwread(vortex->mmio,
			       VORTEX_CTRL2) | CTRL2_GAME_ADCMODE);
		msleep(VORTEX_GAME_DWAIT);
		return 0;
	case GAMEPORT_MODE_RAW:
		hwwrite(vortex->mmio, VORTEX_CTRL2,
			hwread(vortex->mmio,
			       VORTEX_CTRL2) & ~CTRL2_GAME_ADCMODE);
		return 0;
	default:
		return -1;
	}

	return 0;
}

static int vortex_gameport_register(vortex_t *vortex)
{
	struct gameport *gp;

	vortex->gameport = gp = gameport_allocate_port();
	if (!gp) {
		dev_err(vortex->card->dev,
			"cannot allocate memory for gameport\n");
		return -ENOMEM;
	}

	gameport_set_name(gp, "AU88x0 Gameport");
	gameport_set_phys(gp, "pci%s/gameport0", pci_name(vortex->pci_dev));
	gameport_set_dev_parent(gp, &vortex->pci_dev->dev);

	gp->read = vortex_game_read;
	gp->trigger = vortex_game_trigger;
	gp->cooked_read = vortex_game_cooked_read;
	gp->open = vortex_game_open;

	gameport_set_port_data(gp, vortex);
	gp->fuzz = 64;

	gameport_register_port(gp);

	return 0;
}

static void vortex_gameport_unregister(vortex_t * vortex)
{
	if (vortex->gameport) {
		gameport_unregister_port(vortex->gameport);
		vortex->gameport = NULL;
	}
}

#else
static inline int vortex_gameport_register(vortex_t * vortex) { return -ENOSYS; }
static inline void vortex_gameport_unregister(vortex_t * vortex) { }
#endif
ion><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Alexander Alemayhu &lt;alexander@alemayhu.com&gt;</td><td class='right'>2017-01-04 23:16:41 +0100</td></tr>
<tr><th>committer</th><td>Pablo Neira Ayuso &lt;pablo@netfilter.org&gt;</td><td class='right'>2017-01-16 14:23:01 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/arch?id=d7f5762c5e532dfe8247ce1bc60d97af27ff8d00'>d7f5762c5e532dfe8247ce1bc60d97af27ff8d00</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/arch?id=d7f5762c5e532dfe8247ce1bc60d97af27ff8d00'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=d7f5762c5e532dfe8247ce1bc60d97af27ff8d00'>ef0c2e4a3cff3d6cd4bb47771080c50c8690083b</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/arch?id=d7f5762c5e532dfe8247ce1bc60d97af27ff8d00'>tools/arch</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/arch?id=bf99b4ded5f8a4767dbb9d180626f06c51f9881f'>bf99b4ded5f8a4767dbb9d180626f06c51f9881f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/arch?id=d7f5762c5e532dfe8247ce1bc60d97af27ff8d00&amp;id2=bf99b4ded5f8a4767dbb9d180626f06c51f9881f'>diff</a>)</td></tr></table>
<div class='commit-subject'>netfilter: nf_tables: fix spelling mistakes</div><div class='commit-msg'>o s/numerice/numeric
o s/opertaor/operator

Signed-off-by: Alexander Alemayhu &lt;alexander@alemayhu.com&gt;
Signed-off-by: Pablo Neira Ayuso &lt;pablo@netfilter.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=d7f5762c5e532dfe8247ce1bc60d97af27ff8d00'>Diffstat</a> (limited to 'tools/arch')</div><table summary='diffstat' class='diffstat'>