path: root/drivers/media/dvb/ttpci/budget-ci.c

/*
 * budget-ci.c: driver for the SAA7146 based Budget DVB cards
 *
 * Compiled from various sources by Michael Hunold <michael@mihu.de>
 *
 *     msp430 IR support contributed by Jack Thomasson <jkt@Helius.COM>
 *     partially based on the Siemens DVB driver by Ralph+Marcus Metzler
 *
 * CI interface support (c) 2004 Andrew de Quincey <adq_dvb@lidskialf.net>
 *
 * 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.
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 *
 *
 * the project's page is at http://www.linuxtv.org/dvb/
 */

#include "budget.h"

#include <linux/module.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/spinlock.h>

#include "dvb_ca_en50221.h"
#include "stv0299.h"
#include "stv0297.h"
#include "tda1004x.h"

#define DEBIADDR_IR		0x1234
#define DEBIADDR_CICONTROL	0x0000
#define DEBIADDR_CIVERSION	0x4000
#define DEBIADDR_IO		0x1000
#define DEBIADDR_ATTR		0x3000

#define CICONTROL_RESET		0x01
#define CICONTROL_ENABLETS	0x02
#define CICONTROL_CAMDETECT	0x08

#define DEBICICTL		0x00420000
#define DEBICICAM		0x02420000

#define SLOTSTATUS_NONE		1
#define SLOTSTATUS_PRESENT	2
#define SLOTSTATUS_RESET	4
#define SLOTSTATUS_READY	8
#define SLOTSTATUS_OCCUPIED	(SLOTSTATUS_PRESENT|SLOTSTATUS_RESET|SLOTSTATUS_READY)

struct budget_ci {
	struct budget budget;
	struct input_dev *input_dev;
	struct tasklet_struct msp430_irq_tasklet;
	struct tasklet_struct ciintf_irq_tasklet;
	int slot_status;
	struct dvb_ca_en50221 ca;
	char ir_dev_name[50];
	u8 tuner_pll_address; /* used for philips_tdm1316l configs */
};

/* from reading the following remotes:
   Zenith Universal 7 / TV Mode 807 / VCR Mode 837
   Hauppauge (from NOVA-CI-s box product)
   i've taken a "middle of the road" approach and note the differences
*/
static u16 key_map[64] = {
	/* 0x0X */
	KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8,
	KEY_9,
	KEY_ENTER,
	KEY_RED,
	KEY_POWER,		/* RADIO on Hauppauge */
	KEY_MUTE,
	0,
	KEY_A,			/* TV on Hauppauge */
	/* 0x1X */
	KEY_VOLUMEUP, KEY_VOLUMEDOWN,
	0, 0,
	KEY_B,
	0, 0, 0, 0, 0, 0, 0,
	KEY_UP, KEY_DOWN,
	KEY_OPTION,		/* RESERVED on Hauppauge */
	KEY_BREAK,
	/* 0x2X */
	KEY_CHANNELUP, KEY_CHANNELDOWN,
	KEY_PREVIOUS,		/* Prev. Ch on Zenith, SOURCE on Hauppauge */
	0, KEY_RESTART, KEY_OK,
	KEY_CYCLEWINDOWS,	/* MINIMIZE on Hauppauge */
	0,
	KEY_ENTER,		/* VCR mode on Zenith */
	KEY_PAUSE,
	0,
	KEY_RIGHT, KEY_LEFT,
	0,
	KEY_MENU,		/* FULL SCREEN on Hauppauge */
	0,
	/* 0x3X */
	KEY_SLOW,
	KEY_PREVIOUS,		/* VCR mode on Zenith */
	KEY_REWIND,
	0,
	KEY_FASTFORWARD,
	KEY_PLAY, KEY_STOP,
	KEY_RECORD,
	KEY_TUNER,		/* TV/VCR on Zenith */
	0,
	KEY_C,
	0,
	KEY_EXIT,
	KEY_POWER2,
	KEY_TUNER,		/* VCR mode on Zenith */
	0,
};

static void msp430_ir_debounce(unsigned long data)
{
	struct input_dev *dev = (struct input_dev *) data;

	if (dev->rep[0] == 0 || dev->rep[0] == ~0) {
		input_event(dev, EV_KEY, key_map[dev->repeat_key], !!0);
		return;
	}

	dev->rep[0] = 0;
	dev->timer.expires = jiffies + HZ * 350 / 1000;