1 files changed, 0 insertions, 589 deletions

diff --git a/drivers/media/video/bt8xx/bttv-input.c b/drivers/media/video/bt8xx/bttv-input.c
deleted file mode 100644
index ef4c7cd41982..000000000000
--- a/drivers/media/video/bt8xx/bttv-input.c
+++ /dev/null
@@ -1,589 +0,0 @@
-/*
- *
- * Copyright (c) 2003 Gerd Knorr
- * Copyright (c) 2003 Pavel Machek
- *
- * 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
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/input.h>
-#include <linux/slab.h>
-
-#include "bttv.h"
-#include "bttvp.h"
-
-
-static int ir_debug;
-module_param(ir_debug, int, 0644);
-
-static int ir_rc5_remote_gap = 885;
-module_param(ir_rc5_remote_gap, int, 0644);
-
-#undef dprintk
-#define dprintk(fmt, ...)			\
-do {						\
-	if (ir_debug >= 1)			\
-		pr_info(fmt, ##__VA_ARGS__);	\
-} while (0)
-
-#define DEVNAME "bttv-input"
-
-#define MODULE_NAME "bttv"
-
-/* ---------------------------------------------------------------------- */
-
-static void ir_handle_key(struct bttv *btv)
-{
-	struct bttv_ir *ir = btv->remote;
-	u32 gpio,data;
-
-	/* read gpio value */
-	gpio = bttv_gpio_read(&btv->c);
-	if (ir->polling) {
-		if (ir->last_gpio == gpio)
-			return;
-		ir->last_gpio = gpio;
-	}
-
-	/* extract data */
-	data = ir_extract_bits(gpio, ir->mask_keycode);
-	dprintk("irq gpio=0x%x code=%d | %s%s%s\n",
-		gpio, data,
-		ir->polling               ? "poll"  : "irq",
-		(gpio & ir->mask_keydown) ? " down" : "",
-		(gpio & ir->mask_keyup)   ? " up"   : "");
-
-	if ((ir->mask_keydown && (gpio & ir->mask_keydown)) ||
-	    (ir->mask_keyup   && !(gpio & ir->mask_keyup))) {
-		rc_keydown_notimeout(ir->dev, data, 0);
-	} else {
-		/* HACK: Probably, ir->mask_keydown is missing
-		   for this board */
-		if (btv->c.type == BTTV_BOARD_WINFAST2000)
-			rc_keydown_notimeout(ir->dev, data, 0);
-
-		rc_keyup(ir->dev);
-	}
-}
-
-static void ir_enltv_handle_key(struct bttv *btv)
-{
-	struct bttv_ir *ir = btv->remote;
-	u32 gpio, data, keyup;
-
-	/* read gpio value */
-	gpio = bttv_gpio_read(&btv->c);
-
-	/* extract data */
-	data = ir_extract_bits(gpio, ir->mask_keycode);
-
-	/* Check if it is keyup */
-	keyup = (gpio & ir->mask_keyup) ? 1 << 31 : 0;
-
-	if ((ir->last_gpio & 0x7f) != data) {
-		dprintk("gpio=0x%x code=%d | %s\n",
-			gpio, data,
-			(gpio & ir->mask_keyup) ? " up" : "up/down");
-
-		rc_keydown_notimeout(ir->dev, data, 0);
-		if (keyup)
-			rc_keyup(ir->dev);
-	} else {
-		if ((ir->last_gpio & 1 << 31) == keyup)
-			return;
-
-		dprintk("(cnt) gpio=0x%x code=%d | %s\n",
-			gpio, data,
-			(gpio & ir->mask_keyup) ? " up" : "down");
-
-		if (keyup)
-			rc_keyup(ir->dev);
-		else
-			rc_keydown_notimeout(ir->dev, data, 0);
-	}
-
-	ir->last_gpio = data | keyup;
-}
-
-static int bttv_rc5_irq(struct bttv *btv);
-
-void bttv_input_irq(struct bttv *btv)
-{
-	struct bttv_ir *ir = btv->remote;
-
-	if (ir->rc5_gpio)
-		bttv_rc5_irq(btv);
-	else if (!ir->polling)
-		ir_handle_key(btv);
-}
-
-static void bttv_input_timer(unsigned long data)
-{
-	struct bttv *btv = (struct bttv*)data;
-	struct bttv_ir *ir = btv->remote;
-
-	if (btv->c.type == BTTV_BOARD_ENLTV_FM_2)
-		ir_enltv_handle_key(btv);
-	else
-		ir_handle_key(btv);
-	mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
-}
-
-/*
- * FIXME: Nebula digi uses the legacy way to decode RC5, instead of relying
- * on the rc-core way. As we need to be sure that both IRQ transitions are
- * properly triggered, Better to touch it only with this hardware for
- * testing.
- */
-
-#define RC5_START(x)	(((x) >> 12) & 3)
-#define RC5_TOGGLE(x)	(((x) >> 11) & 1)
-#define RC5_ADDR(x)	(((x) >> 6) & 31)
-#define RC5_INSTR(x)	((x) & 63)
-
-/* decode raw bit pattern to RC5 code */
-static u32 bttv_rc5_decode(unsigned int code)
-{
-	unsigned int org_code = code;
-	unsigned int pair;
-	unsigned int rc5 = 0;
-	int i;
-
-	for (i = 0; i < 14; ++i) {
-		pair = code & 0x3;
-		code >>= 2;
-
-		rc5 <<= 1;
-		switch (pair) {
-		case 0:
-		case 2:
-			break;
-		case 1:
-			rc5 |= 1;
-		break;
-		case 3:
-			dprintk("rc5_decode(%x) bad code\n",
-				org_code);
-			return 0;
-		}
-	}
-	dprintk("code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
-		"instr=%x\n", rc5, org_code, RC5_START(rc5),
-		RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
-	return rc5;
-}
-
-static void bttv_rc5_timer_end(unsigned long data)
-{
-	struct bttv_ir *ir = (struct bttv_ir *)data;
-	struct timeval tv;
-	u32 gap;
-	u32 rc5 = 0;
-
-	/* get time */
-	do_gettimeofday(&tv);
-
-	/* avoid overflow with gap >1s */
-	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
-		gap = 200000;
-	} else {
-		gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
-		    tv.tv_usec - ir->base_time.tv_usec;
-	}
-
-	/* signal we're ready to start a new code */
-	ir->active = false;
-
-	/* Allow some timer jitter (RC5 is ~24ms anyway so this is ok) */
-	if (gap < 28000) {
-		dprintk("spurious timer_end\n");
-		return;
-	}
-
-	if (ir->last_bit < 20) {
-		/* ignore spurious codes (caused by light/other remotes) */
-		dprintk("short code: %x\n", ir->code);
-	} else {
-		ir->code = (ir->code << ir->shift_by) | 1;
-		rc5 = bttv_rc5_decode(ir->code);
-
-		/* two start bits? */
-		if (RC5_START(rc5) != ir->start) {
-			pr_info(DEVNAME ":"
-			       " rc5 start bits invalid: %u\n", RC5_START(rc5));
-
-			/* right address? */
-		} else if (RC5_ADDR(rc5) == ir->addr) {
-			u32 toggle = RC5_TOGGLE(rc5);
-			u32 instr = RC5_INSTR(rc5);
-
-			/* Good code */
-			rc_keydown(ir->dev, instr, toggle);
-			dprintk("instruction %x, toggle %x\n",
-				instr, toggle);
-		}
-	}
-}
-
-static int bttv_rc5_irq(struct bttv *btv)
-{
-	struct bttv_ir *ir = btv->remote;
-	struct timeval tv;
-	u32 gpio;
-	u32 gap;
-	unsigned long current_jiffies;
-
-	/* read gpio port */
-	gpio = bttv_gpio_read(&btv->c);
-
-	/* get time of bit */
-	current_jiffies = jiffies;
-	do_gettimeofday(&tv);
-
-	/* avoid overflow with gap >1s */
-	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
-		gap = 200000;
-	} else {
-		gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
-		    tv.tv_usec - ir->base_time.tv_usec;
-	}
-
-	dprintk("RC5 IRQ: gap %d us for %s\n",
-		gap, (gpio & 0x20) ? "mark" : "space");
-
-	/* remote IRQ? */
-	if (!(gpio & 0x20))
-		return 0;
-
-	/* active code => add bit */
-	if (ir->active) {
-		/* only if in the code (otherwise spurious IRQ or timer
-		   late) */
-		if (ir->last_bit < 28) {
-			ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
-			    ir_rc5_remote_gap;
-			ir->code |= 1 << ir->last_bit;
-		}
-		/* starting new code */
-	} else {
-		ir->active = true;
-		ir->code = 0;
-		ir->base_time = tv;
-		ir->last_bit = 0;
-
-		mod_timer(&ir->timer, current_jiffies + msecs_to_jiffies(30));
-	}
-
-	/* toggle GPIO pin 4 to reset the irq */
-	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
-	bttv_gpio_write(&btv->c, gpio | (1 << 4));
-	return 1;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static void bttv_ir_start(struct bttv *btv, struct bttv_ir *ir)
-{
-	if (ir->polling) {
-		setup_timer(&ir->timer, bttv_input_timer, (unsigned long)btv);
-		ir->timer.expires  = jiffies + msecs_to_jiffies(1000);
-		add_timer(&ir->timer);
-	} else if (ir->rc5_gpio) {
-		/* set timer_end for code completion */
-		setup_timer(&ir->timer, bttv_rc5_timer_end, (unsigned long)ir);
-		ir->shift_by = 1;
-		ir->start = 3;
-		ir->addr = 0x0;
-		ir->rc5_remote_gap = ir_rc5_remote_gap;
-	}
-}
-
-static void bttv_ir_stop(struct bttv *btv)
-{
-	if (btv->remote->polling)
-		del_timer_sync(&btv->remote->timer);
-
-	if (btv->remote->rc5_gpio) {
-		u32 gpio;
-
-		del_timer_sync(&btv->remote->timer);
-
-		gpio = bttv_gpio_read(&btv->c);
-		bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
-	}
-}
-
-/*
- * Get_key functions used by I2C remotes
- */
-
-static int get_key_pv951(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)) {
-		dprintk("read error\n");
-		return -EIO;
-	}
-
-	/* ignore 0xaa */
-	if (b==0xaa)
-		return 0;
-	dprintk("key %02x\n", b);
-
-	/*
-	 * NOTE:
-	 * lirc_i2c maps the pv951 code as:
-	 *	addr = 0x61D6
-	 * 	cmd = bit_reverse (b)
-	 * So, it seems that this device uses NEC extended
-	 * I decided to not fix the table, due to two reasons:
-	 * 	1) Without the actual device, this is only a guess;
-	 * 	2) As the addr is not reported via I2C, nor can be changed,
-	 * 	   the device is bound to the vendor-provided RC.
-	 */
-
-	*ir_key = b;
-	*ir_raw = b;
-	return 1;
-}
-
-/* Instantiate the I2C IR receiver device, if present */
-void __devinit init_bttv_i2c_ir(struct bttv *btv)
-{
-	const unsigned short addr_list[] = {
-		0x1a, 0x18, 0x64, 0x30, 0x71,
-		I2C_CLIENT_END
-	};
-	struct i2c_board_info info;
-
-	if (0 != btv->i2c_rc)
-		return;
-
-	memset(&info, 0, sizeof(struct i2c_board_info));
-	memset(&btv->init_data, 0, sizeof(btv->init_data));
-	strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
-
-	switch (btv->c.type) {
-	case BTTV_BOARD_PV951:
-		btv->init_data.name = "PV951";
-		btv->init_data.get_key = get_key_pv951;
-		btv->init_data.ir_codes = RC_MAP_PV951;
-		info.addr = 0x4b;
-		break;
-	default:
-		/*
-		 * The external IR receiver is at i2c address 0x34 (0x35 for
-		 * reads).  Future Hauppauge cards will have an internal
-		 * receiver at 0x30 (0x31 for reads).  In theory, both can be
-		 * fitted, and Hauppauge suggest an external overrides an
-		 * internal.
-		 * That's why we probe 0x1a (~0x34) first. CB
-		 */
-
-		i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list, NULL);
-		return;
-	}
-
-	if (btv->init_data.name)
-		info.platform_data = &btv->init_data;
-	i2c_new_device(&btv->c.i2c_adap, &info);
-
-	return;
-}
-
-int __devexit fini_bttv_i2c(struct bttv *btv)
-{
-	if (0 != btv->i2c_rc)
-		return 0;
-
-	return i2c_del_adapter(&btv->c.i2c_adap);
-}
-
-int bttv_input_init(struct bttv *btv)
-{
-	struct bttv_ir *ir;
-	char *ir_codes = NULL;
-	struct rc_dev *rc;
-	int err = -ENOMEM;
-
-	if (!btv->has_remote)
-		return -ENODEV;
-
-	ir = kzalloc(sizeof(*ir),GFP_KERNEL);
-	rc = rc_allocate_device();
-	if (!ir || !rc)
-		goto err_out_free;
-
-	/* detect & configure */
-	switch (btv->c.type) {
-	case BTTV_BOARD_AVERMEDIA:
-	case BTTV_BOARD_AVPHONE98:
-	case BTTV_BOARD_AVERMEDIA98:
-		ir_codes         = RC_MAP_AVERMEDIA;
-		ir->mask_keycode = 0xf88000;
-		ir->mask_keydown = 0x010000;
-		ir->polling      = 50; // ms
-		break;
-
-	case BTTV_BOARD_AVDVBT_761:
-	case BTTV_BOARD_AVDVBT_771:
-		ir_codes         = RC_MAP_AVERMEDIA_DVBT;
-		ir->mask_keycode = 0x0f00c0;
-		ir->mask_keydown = 0x000020;
-		ir->polling      = 50; // ms
-		break;
-
-	case BTTV_BOARD_PXELVWPLTVPAK:
-		ir_codes         = RC_MAP_PIXELVIEW;
-		ir->mask_keycode = 0x003e00;
-		ir->mask_keyup   = 0x010000;
-		ir->polling      = 50; // ms
-		break;
-	case BTTV_BOARD_PV_M4900:
-	case BTTV_BOARD_PV_BT878P_9B:
-	case BTTV_BOARD_PV_BT878P_PLUS:
-		ir_codes         = RC_MAP_PIXELVIEW;
-		ir->mask_keycode = 0x001f00;
-		ir->mask_keyup   = 0x008000;
-		ir->polling      = 50; // ms
-		break;
-
-	case BTTV_BOARD_WINFAST2000:
-		ir_codes         = RC_MAP_WINFAST;
-		ir->mask_keycode = 0x1f8;
-		break;
-	case BTTV_BOARD_MAGICTVIEW061:
-	case BTTV_BOARD_MAGICTVIEW063:
-		ir_codes         = RC_MAP_WINFAST;
-		ir->mask_keycode = 0x0008e000;
-		ir->mask_keydown = 0x00200000;
-		break;
-	case BTTV_BOARD_APAC_VIEWCOMP:
-		ir_codes         = RC_MAP_APAC_VIEWCOMP;
-		ir->mask_keycode = 0x001f00;
-		ir->mask_keyup   = 0x008000;
-		ir->polling      = 50; // ms
-		break;
-	case BTTV_BOARD_ASKEY_CPH03X:
-	case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
-	case BTTV_BOARD_CONTVFMI:
-		ir_codes         = RC_MAP_PIXELVIEW;
-		ir->mask_keycode = 0x001F00;
-		ir->mask_keyup   = 0x006000;
-		ir->polling      = 50; // ms
-		break;
-	case BTTV_BOARD_NEBULA_DIGITV:
-		ir_codes = RC_MAP_NEBULA;
-		ir->rc5_gpio = true;
-		break;
-	case BTTV_BOARD_MACHTV_MAGICTV:
-		ir_codes         = RC_MAP_APAC_VIEWCOMP;
-		ir->mask_keycode = 0x001F00;
-		ir->mask_keyup   = 0x004000;
-		ir->polling      = 50; /* ms */
-		break;
-	case BTTV_BOARD_KOZUMI_KTV_01C:
-		ir_codes         = RC_MAP_PCTV_SEDNA;
-		ir->mask_keycode = 0x001f00;
-		ir->mask_keyup   = 0x006000;
-		ir->polling      = 50; /* ms */
-		break;
-	case BTTV_BOARD_ENLTV_FM_2:
-		ir_codes         = RC_MAP_ENCORE_ENLTV2;
-		ir->mask_keycode = 0x00fd00;
-		ir->mask_keyup   = 0x000080;
-		ir->polling      = 1; /* ms */
-		ir->last_gpio    = ir_extract_bits(bttv_gpio_read(&btv->c),
-						   ir->mask_keycode);
-		break;
-	}
-	if (NULL == ir_codes) {
-		dprintk("Ooops: IR config error [card=%d]\n", btv->c.type);
-		err = -ENODEV;
-		goto err_out_free;
-	}
-
-	if (ir->rc5_gpio) {
-		u32 gpio;
-		/* enable remote irq */
-		bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4);
-		gpio = bttv_gpio_read(&btv->c);
-		bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
-		bttv_gpio_write(&btv->c, gpio | (1 << 4));
-	} else {
-		/* init hardware-specific stuff */
-		bttv_gpio_inout(&btv->c, ir->mask_keycode | ir->mask_keydown, 0);
-	}
-
-	/* init input device */
-	ir->dev = rc;
-
-	snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
-		 btv->c.type);
-	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
-		 pci_name(btv->c.pci));
-
-	rc->input_name = ir->name;
-	rc->input_phys = ir->phys;
-	rc->input_id.bustype = BUS_PCI;
-	rc->input_id.version = 1;
-	if (btv->c.pci->subsystem_vendor) {
-		rc->input_id.vendor  = btv->c.pci->subsystem_vendor;
-		rc->input_id.product = btv->c.pci->subsystem_device;
-	} else {
-		rc->input_id.vendor  = btv->c.pci->vendor;
-		rc->input_id.product = btv->c.pci->device;
-	}
-	rc->dev.parent = &btv->c.pci->dev;
-	rc->map_name = ir_codes;
-	rc->driver_name = MODULE_NAME;
-
-	btv->remote = ir;
-	bttv_ir_start(btv, ir);
-
-	/* all done */
-	err = rc_register_device(rc);
-	if (err)
-		goto err_out_stop;
-
-	return 0;
-
- err_out_stop:
-	bttv_ir_stop(btv);
-	btv->remote = NULL;
- err_out_free:
-	rc_free_device(rc);
-	kfree(ir);
-	return err;
-}
-
-void bttv_input_fini(struct bttv *btv)
-{
-	if (btv->remote == NULL)
-		return;
-
-	bttv_ir_stop(btv);
-	rc_unregister_device(btv->remote->dev);
-	kfree(btv->remote);
-	btv->remote = NULL;
-}