saa7134-input.c

linux-2.6.15.6

	[ 0x13 ] = KEY_MUTE,
	[ 0x19 ] = KEY_RECORD,	/*XXX*/

	// 0x1d unused ?
};


/* Mike Baikov <[e-mail]> */
static IR_KEYTAB_TYPE gotview7135_codes[IR_KEYTAB_SIZE] = {

	[ 33 ] = KEY_POWER,
	[ 105] = KEY_TV,
	[ 51 ] = KEY_KP0,
	[ 81 ] = KEY_KP1,
	[ 49 ] = KEY_KP2,
	[ 113] = KEY_KP3,
	[ 59 ] = KEY_KP4,
	[ 88 ] = KEY_KP5,
	[ 65 ] = KEY_KP6,
	[ 72 ] = KEY_KP7,
	[ 48 ] = KEY_KP8,
	[ 83 ] = KEY_KP9,
	[ 115] = KEY_AGAIN, /* LOOP */
	[ 10 ] = KEY_AUDIO,
	[ 97 ] = KEY_PRINT, /* PREVIEW */
	[ 122] = KEY_VIDEO,
	[ 32 ] = KEY_CHANNELUP,
	[ 64 ] = KEY_CHANNELDOWN,
	[ 24 ] = KEY_VOLUMEDOWN,
	[ 80 ] = KEY_VOLUMEUP,
	[ 16 ] = KEY_MUTE,
	[ 74 ] = KEY_SEARCH,
	[ 123] = KEY_SHUFFLE, /* SNAPSHOT */
	[ 34 ] = KEY_RECORD,
	[ 98 ] = KEY_STOP,
	[ 120] = KEY_PLAY,
	[ 57 ] = KEY_REWIND,
	[ 89 ] = KEY_PAUSE,
	[ 25 ] = KEY_FORWARD,
	[  9 ] = KEY_ZOOM,

	[ 82 ] = KEY_F21, /* LIVE TIMESHIFT */
	[ 26 ] = KEY_F22, /* MIN TIMESHIFT */
	[ 58 ] = KEY_F23, /* TIMESHIFT */
	[ 112] = KEY_F24, /* NORMAL TIMESHIFT */
};

static IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE] = {
	[ 0x3  ] = KEY_POWER,
	[ 0x6f ] = KEY_MUTE,
	[ 0x10 ] = KEY_BACKSPACE,       /* Recall */

	[ 0x11 ] = KEY_KP0,
	[ 0x4  ] = KEY_KP1,
	[ 0x5  ] = KEY_KP2,
	[ 0x6  ] = KEY_KP3,
	[ 0x8  ] = KEY_KP4,
	[ 0x9  ] = KEY_KP5,
	[ 0xa  ] = KEY_KP6,
	[ 0xc  ] = KEY_KP7,
	[ 0xd  ] = KEY_KP8,
	[ 0xe  ] = KEY_KP9,
	[ 0x12 ] = KEY_KPDOT,           /* 100+ */

	[ 0x7  ] = KEY_VOLUMEUP,
	[ 0xb  ] = KEY_VOLUMEDOWN,
	[ 0x1a ] = KEY_KPPLUS,
	[ 0x18 ] = KEY_KPMINUS,
	[ 0x15 ] = KEY_UP,
	[ 0x1d ] = KEY_DOWN,
	[ 0xf  ] = KEY_CHANNELUP,
	[ 0x13 ] = KEY_CHANNELDOWN,
	[ 0x48 ] = KEY_ZOOM,

	[ 0x1b ] = KEY_VIDEO,           /* Video source */
	[ 0x49 ] = KEY_LANGUAGE,        /* MTS Select */
	[ 0x19 ] = KEY_SEARCH,          /* Auto Scan */

	[ 0x4b ] = KEY_RECORD,
	[ 0x46 ] = KEY_PLAY,
	[ 0x45 ] = KEY_PAUSE,           /* Pause */
	[ 0x44 ] = KEY_STOP,
	[ 0x40 ] = KEY_FORWARD,         /* Forward ? */
	[ 0x42 ] = KEY_REWIND,          /* Backward ? */

};

/* Mapping for the 28 key remote control as seen at
   http://www.sednacomputer.com/photo/cardbus-tv.jpg
   Pavel Mihaylov <[e-mail]> */
static IR_KEYTAB_TYPE pctv_sedna_codes[IR_KEYTAB_SIZE] = {
	[    0 ] = KEY_KP0,
	[    1 ] = KEY_KP1,
	[    2 ] = KEY_KP2,
	[    3 ] = KEY_KP3,
	[    4 ] = KEY_KP4,
	[    5 ] = KEY_KP5,
	[    6 ] = KEY_KP6,
	[    7 ] = KEY_KP7,
	[    8 ] = KEY_KP8,
	[    9 ] = KEY_KP9,

	[ 0x0a ] = KEY_AGAIN,          /* Recall */
	[ 0x0b ] = KEY_CHANNELUP,
	[ 0x0c ] = KEY_VOLUMEUP,
	[ 0x0d ] = KEY_MODE,           /* Stereo */
	[ 0x0e ] = KEY_STOP,
	[ 0x0f ] = KEY_PREVIOUSSONG,
	[ 0x10 ] = KEY_ZOOM,
	[ 0x11 ] = KEY_TUNER,          /* Source */
	[ 0x12 ] = KEY_POWER,
	[ 0x13 ] = KEY_MUTE,
	[ 0x15 ] = KEY_CHANNELDOWN,
	[ 0x18 ] = KEY_VOLUMEDOWN,
	[ 0x19 ] = KEY_SHUFFLE,        /* Snapshot */
	[ 0x1a ] = KEY_NEXTSONG,
	[ 0x1b ] = KEY_TEXT,           /* Time Shift */
	[ 0x1c ] = KEY_RADIO,          /* FM Radio */
	[ 0x1d ] = KEY_RECORD,
	[ 0x1e ] = KEY_PAUSE,
};


/* -------------------- GPIO generic keycode builder -------------------- */

static int build_key(struct saa7134_dev *dev)
{
	struct saa7134_ir *ir = dev->remote;
	u32 gpio, data;

	/* rising SAA7134_GPIO_GPRESCAN reads the status */
	saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
	saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);

	gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
	if (ir->polling) {
		if (ir->last_gpio == gpio)
			return 0;
		ir->last_gpio = gpio;
	}

	data = ir_extract_bits(gpio, ir->mask_keycode);
	dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
		gpio, ir->mask_keycode, data);

	if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
	    (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
		ir_input_keydown(ir->dev, &ir->ir, data, data);
	} else {
		ir_input_nokey(ir->dev, &ir->ir);
	}
	return 0;
}

/* --------------------- Chip specific I2C key builders ----------------- */

static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
	unsigned char b;

	/* poll IR chip */
	if (1 != i2c_master_recv(&ir->c,&b,1)) {
		i2cdprintk("read error\n");
		return -EIO;
	}

	/* no button press */
	if (b==0)
		return 0;

	/* repeating */
	if (b & 0x80)
		return 1;

	*ir_key = b;
	*ir_raw = b;
	return 1;
}

void saa7134_input_irq(struct saa7134_dev *dev)
{
	struct saa7134_ir *ir = dev->remote;

	if (!ir->polling)
		build_key(dev);
}

static void saa7134_input_timer(unsigned long data)
{
	struct saa7134_dev *dev = (struct saa7134_dev*)data;
	struct saa7134_ir *ir = dev->remote;
	unsigned long timeout;

	build_key(dev);
	timeout = jiffies + (ir->polling * HZ / 1000);
	mod_timer(&ir->timer, timeout);
}

int saa7134_input_init1(struct saa7134_dev *dev)
{
	struct saa7134_ir *ir;
	struct input_dev *input_dev;
	IR_KEYTAB_TYPE *ir_codes = NULL;
	u32 mask_keycode = 0;
	u32 mask_keydown = 0;
	u32 mask_keyup   = 0;
	int polling      = 0;
	int ir_type      = IR_TYPE_OTHER;

	if (dev->has_remote != SAA7134_REMOTE_GPIO)
		return -ENODEV;
	if (disable_ir)
		return -ENODEV;

	/* detect & configure */
	switch (dev->board) {
	case SAA7134_BOARD_FLYVIDEO2000:
	case SAA7134_BOARD_FLYVIDEO3000:
	case SAA7134_BOARD_FLYTVPLATINUM_FM:
	case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
		ir_codes     = flyvideo_codes;
		mask_keycode = 0xEC00000;
		mask_keydown = 0x0040000;
		break;
	case SAA7134_BOARD_CINERGY400:
	case SAA7134_BOARD_CINERGY600:
	case SAA7134_BOARD_CINERGY600_MK3:
		ir_codes     = cinergy_codes;
		mask_keycode = 0x00003f;
		mask_keyup   = 0x040000;
		break;
	case SAA7134_BOARD_ECS_TVP3XP:
	case SAA7134_BOARD_ECS_TVP3XP_4CB5:
		ir_codes     = eztv_codes;
		mask_keycode = 0x00017c;
		mask_keyup   = 0x000002;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_KWORLD_XPERT:
	case SAA7134_BOARD_AVACSSMARTTV:
		ir_codes     = avacssmart_codes;
		mask_keycode = 0x00001F;
		mask_keyup   = 0x000020;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_MD2819:
	case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
	case SAA7134_BOARD_AVERMEDIA_305:
	case SAA7134_BOARD_AVERMEDIA_307:
	case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
	case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
	case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
		ir_codes     = md2819_codes;
		mask_keycode = 0x0007C8;
		mask_keydown = 0x000010;
		polling      = 50; // ms
		/* Set GPIO pin2 to high to enable the IR controller */
		saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
		saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
		break;
	case SAA7134_BOARD_KWORLD_TERMINATOR:
		ir_codes     = avacssmart_codes;
		mask_keycode = 0x00001f;
		mask_keyup   = 0x000060;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_MANLI_MTV001:
	case SAA7134_BOARD_MANLI_MTV002:
	case SAA7134_BOARD_BEHOLD_409FM:
		ir_codes     = manli_codes;
		mask_keycode = 0x001f00;
		mask_keyup   = 0x004000;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
		ir_codes     = pctv_sedna_codes;
		mask_keycode = 0x001f00;
		mask_keyup   = 0x004000;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_GOTVIEW_7135:
		ir_codes     = gotview7135_codes;
		mask_keycode = 0x0003EC;
		mask_keyup   = 0x008000;
		mask_keydown = 0x000010;
		polling	     = 50; // ms
		break;
	case SAA7134_BOARD_VIDEOMATE_TV_PVR:
	case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
		ir_codes     = videomate_tv_pvr_codes;
		mask_keycode = 0x00003F;
		mask_keyup   = 0x400000;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_VIDEOMATE_DVBT_300:
	case SAA7134_BOARD_VIDEOMATE_DVBT_200:
		ir_codes     = videomate_tv_pvr_codes;
		mask_keycode = 0x003F00;
		mask_keyup   = 0x040000;
		break;
	}
	if (NULL == ir_codes) {
		printk("%s: Oops: IR config error [card=%d]\n",
		       dev->name, dev->board);
		return -ENODEV;
	}

	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!ir || !input_dev) {
		kfree(ir);
		input_free_device(input_dev);
		return -ENOMEM;
	}

	ir->dev = input_dev;

	/* init hardware-specific stuff */
	ir->mask_keycode = mask_keycode;
	ir->mask_keydown = mask_keydown;
	ir->mask_keyup   = mask_keyup;
	ir->polling      = polling;

	/* init input device */
	snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
		 saa7134_boards[dev->board].name);
	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
		 pci_name(dev->pci));

	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	input_dev->name = ir->name;
	input_dev->phys = ir->phys;
	input_dev->id.bustype = BUS_PCI;
	input_dev->id.version = 1;
	if (dev->pci->subsystem_vendor) {
		input_dev->id.vendor  = dev->pci->subsystem_vendor;
		input_dev->id.product = dev->pci->subsystem_device;
	} else {
		input_dev->id.vendor  = dev->pci->vendor;
		input_dev->id.product = dev->pci->device;
	}
	input_dev->cdev.dev = &dev->pci->dev;

	/* all done */
	dev->remote = ir;
	if (ir->polling) {
		init_timer(&ir->timer);
		ir->timer.function = saa7134_input_timer;
		ir->timer.data     = (unsigned long)dev;
		ir->timer.expires  = jiffies + HZ;
		add_timer(&ir->timer);
	}

	input_register_device(ir->dev);
	return 0;
}

void saa7134_input_fini(struct saa7134_dev *dev)
{
	if (NULL == dev->remote)
		return;

	if (dev->remote->polling)
		del_timer_sync(&dev->remote->timer);
	input_unregister_device(dev->remote->dev);
	kfree(dev->remote);
	dev->remote = NULL;
}

void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir)
{
	if (disable_ir) {
		dprintk("Found supported i2c remote, but IR has been disabled\n");
		ir->get_key=NULL;
		return;
	}

	switch (dev->board) {
	case SAA7134_BOARD_PINNACLE_PCTV_110i:
		snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV");
		ir->get_key   = get_key_pinnacle;
		ir->ir_codes  = ir_codes_pinnacle;
		break;
	case SAA7134_BOARD_UPMOST_PURPLE_TV:
		snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV");
		ir->get_key   = get_key_purpletv;
		ir->ir_codes  = ir_codes_purpletv;
		break;
	default:
		dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board);
		break;
	}

}
/* ----------------------------------------------------------------------
 * Local variables:
 * c-basic-offset: 8
 * End:
 */