[media] rename most media/video usb drivers to media/usb

Rename all USB drivers with their own directory under
drivers/media/video into drivers/media/usb and update the
building system.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 645 deletions

diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c
deleted file mode 100644
index 97d36b4f19db..000000000000
--- a/drivers/media/video/em28xx/em28xx-input.c
+++ /dev/null
@@ -1,645 +0,0 @@
-/*
-  handle em28xx IR remotes via linux kernel input layer.
-
-   Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
-		      Markus Rechberger <mrechberger@gmail.com>
-		      Mauro Carvalho Chehab <mchehab@infradead.org>
-		      Sascha Sommer <saschasommer@freenet.de>
-
-  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
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/usb.h>
-#include <linux/slab.h>
-
-#include "em28xx.h"
-
-#define EM28XX_SNAPSHOT_KEY KEY_CAMERA
-#define EM28XX_SBUTTON_QUERY_INTERVAL 500
-#define EM28XX_R0C_USBSUSP_SNAPSHOT 0x20
-
-static unsigned int ir_debug;
-module_param(ir_debug, int, 0644);
-MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
-
-#define MODULE_NAME "em28xx"
-
-#define i2cdprintk(fmt, arg...) \
-	if (ir_debug) { \
-		printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \
-	}
-
-#define dprintk(fmt, arg...) \
-	if (ir_debug) { \
-		printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \
-	}
-
-/**********************************************************
- Polling structure used by em28xx IR's
- **********************************************************/
-
-struct em28xx_ir_poll_result {
-	unsigned int toggle_bit:1;
-	unsigned int read_count:7;
-	u8 rc_address;
-	u8 rc_data[4]; /* 1 byte on em2860/2880, 4 on em2874 */
-};
-
-struct em28xx_IR {
-	struct em28xx *dev;
-	struct rc_dev *rc;
-	char name[32];
-	char phys[32];
-
-	/* poll external decoder */
-	int polling;
-	struct delayed_work work;
-	unsigned int full_code:1;
-	unsigned int last_readcount;
-
-	int  (*get_key)(struct em28xx_IR *, struct em28xx_ir_poll_result *);
-};
-
-/**********************************************************
- I2C IR based get keycodes - should be used with ir-kbd-i2c
- **********************************************************/
-
-static int em28xx_get_key_terratec(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;
-	}
-
-	/* it seems that 0xFE indicates that a button is still hold
-	   down, while 0xff indicates that no button is hold
-	   down. 0xfe sequences are sometimes interrupted by 0xFF */
-
-	i2cdprintk("key %02x\n", b);
-
-	if (b == 0xff)
-		return 0;
-
-	if (b == 0xfe)
-		/* keep old data */
-		return 1;
-
-	*ir_key = b;
-	*ir_raw = b;
-	return 1;
-}
-
-static int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
-{
-	unsigned char buf[2];
-	u16 code;
-	int size;
-
-	/* poll IR chip */
-	size = i2c_master_recv(ir->c, buf, sizeof(buf));
-
-	if (size != 2)
-		return -EIO;
-
-	/* Does eliminate repeated parity code */
-	if (buf[1] == 0xff)
-		return 0;
-
-	ir->old = buf[1];
-
-	/*
-	 * Rearranges bits to the right order.
-	 * The bit order were determined experimentally by using
-	 * The original Hauppauge Grey IR and another RC5 that uses addr=0x08
-	 * The RC5 code has 14 bits, but we've experimentally determined
-	 * the meaning for only 11 bits.
-	 * So, the code translation is not complete. Yet, it is enough to
-	 * work with the provided RC5 IR.
-	 */
-	code =
-		 ((buf[0] & 0x01) ? 0x0020 : 0) | /* 		0010 0000 */
-		 ((buf[0] & 0x02) ? 0x0010 : 0) | /* 		0001 0000 */
-		 ((buf[0] & 0x04) ? 0x0008 : 0) | /* 		0000 1000 */
-		 ((buf[0] & 0x08) ? 0x0004 : 0) | /* 		0000 0100 */
-		 ((buf[0] & 0x10) ? 0x0002 : 0) | /* 		0000 0010 */
-		 ((buf[0] & 0x20) ? 0x0001 : 0) | /* 		0000 0001 */
-		 ((buf[1] & 0x08) ? 0x1000 : 0) | /* 0001 0000		  */
-		 ((buf[1] & 0x10) ? 0x0800 : 0) | /* 0000 1000		  */
-		 ((buf[1] & 0x20) ? 0x0400 : 0) | /* 0000 0100		  */
-		 ((buf[1] & 0x40) ? 0x0200 : 0) | /* 0000 0010		  */
-		 ((buf[1] & 0x80) ? 0x0100 : 0);  /* 0000 0001		  */
-
-	i2cdprintk("ir hauppauge (em2840): code=0x%02x (rcv=0x%02x%02x)\n",
-			code, buf[1], buf[0]);
-
-	/* return key */
-	*ir_key = code;
-	*ir_raw = code;
-	return 1;
-}
-
-static int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
-				     u32 *ir_raw)
-{
-	unsigned char buf[3];
-
-	/* poll IR chip */
-
-	if (3 != i2c_master_recv(ir->c, buf, 3)) {
-		i2cdprintk("read error\n");
-		return -EIO;
-	}
-
-	i2cdprintk("key %02x\n", buf[2]&0x3f);
-	if (buf[0] != 0x00)
-		return 0;
-
-	*ir_key = buf[2]&0x3f;
-	*ir_raw = buf[2]&0x3f;
-
-	return 1;
-}
-
-static int em28xx_get_key_winfast_usbii_deluxe(struct IR_i2c *ir, u32 *ir_key,
-					u32 *ir_raw)
-{
-	unsigned char subaddr, keydetect, key;
-
-	struct i2c_msg msg[] = { { .addr = ir->c->addr, .flags = 0, .buf = &subaddr, .len = 1},
-
-				{ .addr = ir->c->addr, .flags = I2C_M_RD, .buf = &keydetect, .len = 1} };
-
-	subaddr = 0x10;
-	if (2 != i2c_transfer(ir->c->adapter, msg, 2)) {
-		i2cdprintk("read error\n");
-		return -EIO;
-	}
-	if (keydetect == 0x00)
-		return 0;
-
-	subaddr = 0x00;
-	msg[1].buf = &key;
-	if (2 != i2c_transfer(ir->c->adapter, msg, 2)) {
-		i2cdprintk("read error\n");
-	return -EIO;
-	}
-	if (key == 0x00)
-		return 0;
-
-	*ir_key = key;
-	*ir_raw = key;
-	return 1;
-}
-
-/**********************************************************
- Poll based get keycode functions
- **********************************************************/
-
-/* This is for the em2860/em2880 */
-static int default_polling_getkey(struct em28xx_IR *ir,
-				  struct em28xx_ir_poll_result *poll_result)
-{
-	struct em28xx *dev = ir->dev;
-	int rc;
-	u8 msg[3] = { 0, 0, 0 };
-
-	/* Read key toggle, brand, and key code
-	   on registers 0x45, 0x46 and 0x47
-	 */
-	rc = dev->em28xx_read_reg_req_len(dev, 0, EM28XX_R45_IR,
-					  msg, sizeof(msg));
-	if (rc < 0)
-		return rc;
-
-	/* Infrared toggle (Reg 0x45[7]) */
-	poll_result->toggle_bit = (msg[0] >> 7);
-
-	/* Infrared read count (Reg 0x45[6:0] */
-	poll_result->read_count = (msg[0] & 0x7f);
-
-	/* Remote Control Address (Reg 0x46) */
-	poll_result->rc_address = msg[1];
-
-	/* Remote Control Data (Reg 0x47) */
-	poll_result->rc_data[0] = msg[2];
-
-	return 0;
-}
-
-static int em2874_polling_getkey(struct em28xx_IR *ir,
-				 struct em28xx_ir_poll_result *poll_result)
-{
-	struct em28xx *dev = ir->dev;
-	int rc;
-	u8 msg[5] = { 0, 0, 0, 0, 0 };
-
-	/* Read key toggle, brand, and key code
-	   on registers 0x51-55
-	 */
-	rc = dev->em28xx_read_reg_req_len(dev, 0, EM2874_R51_IR,
-					  msg, sizeof(msg));
-	if (rc < 0)
-		return rc;
-
-	/* Infrared toggle (Reg 0x51[7]) */
-	poll_result->toggle_bit = (msg[0] >> 7);
-
-	/* Infrared read count (Reg 0x51[6:0] */
-	poll_result->read_count = (msg[0] & 0x7f);
-
-	/* Remote Control Address (Reg 0x52) */
-	poll_result->rc_address = msg[1];
-
-	/* Remote Control Data (Reg 0x53-55) */
-	poll_result->rc_data[0] = msg[2];
-	poll_result->rc_data[1] = msg[3];
-	poll_result->rc_data[2] = msg[4];
-
-	return 0;
-}
-
-/**********************************************************
- Polling code for em28xx
- **********************************************************/
-
-static void em28xx_ir_handle_key(struct em28xx_IR *ir)
-{
-	int result;
-	struct em28xx_ir_poll_result poll_result;
-
-	/* read the registers containing the IR status */
-	result = ir->get_key(ir, &poll_result);
-	if (unlikely(result < 0)) {
-		dprintk("ir->get_key() failed %d\n", result);
-		return;
-	}
-
-	if (unlikely(poll_result.read_count != ir->last_readcount)) {
-		dprintk("%s: toggle: %d, count: %d, key 0x%02x%02x\n", __func__,
-			poll_result.toggle_bit, poll_result.read_count,
-			poll_result.rc_address, poll_result.rc_data[0]);
-		if (ir->full_code)
-			rc_keydown(ir->rc,
-				   poll_result.rc_address << 8 |
-				   poll_result.rc_data[0],
-				   poll_result.toggle_bit);
-		else
-			rc_keydown(ir->rc,
-				   poll_result.rc_data[0],
-				   poll_result.toggle_bit);
-
-		if (ir->dev->chip_id == CHIP_ID_EM2874 ||
-		    ir->dev->chip_id == CHIP_ID_EM2884)
-			/* The em2874 clears the readcount field every time the
-			   register is read.  The em2860/2880 datasheet says that it
-			   is supposed to clear the readcount, but it doesn't.  So with
-			   the em2874, we are looking for a non-zero read count as
-			   opposed to a readcount that is incrementing */
-			ir->last_readcount = 0;
-		else
-			ir->last_readcount = poll_result.read_count;
-	}
-}
-
-static void em28xx_ir_work(struct work_struct *work)
-{
-	struct em28xx_IR *ir = container_of(work, struct em28xx_IR, work.work);
-
-	em28xx_ir_handle_key(ir);
-	schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));
-}
-
-static int em28xx_ir_start(struct rc_dev *rc)
-{
-	struct em28xx_IR *ir = rc->priv;
-
-	INIT_DELAYED_WORK(&ir->work, em28xx_ir_work);
-	schedule_delayed_work(&ir->work, 0);
-
-	return 0;
-}
-
-static void em28xx_ir_stop(struct rc_dev *rc)
-{
-	struct em28xx_IR *ir = rc->priv;
-
-	cancel_delayed_work_sync(&ir->work);
-}
-
-static int em28xx_ir_change_protocol(struct rc_dev *rc_dev, u64 rc_type)
-{
-	int rc = 0;
-	struct em28xx_IR *ir = rc_dev->priv;
-	struct em28xx *dev = ir->dev;
-	u8 ir_config = EM2874_IR_RC5;
-
-	/* Adjust xclk based o IR table for RC5/NEC tables */
-
-	if (rc_type == RC_TYPE_RC5) {
-		dev->board.xclk |= EM28XX_XCLK_IR_RC5_MODE;
-		ir->full_code = 1;
-	} else if (rc_type == RC_TYPE_NEC) {
-		dev->board.xclk &= ~EM28XX_XCLK_IR_RC5_MODE;
-		ir_config = EM2874_IR_NEC;
-		ir->full_code = 1;
-	} else if (rc_type != RC_TYPE_UNKNOWN)
-		rc = -EINVAL;
-
-	em28xx_write_reg_bits(dev, EM28XX_R0F_XCLK, dev->board.xclk,
-			      EM28XX_XCLK_IR_RC5_MODE);
-
-	/* Setup the proper handler based on the chip */
-	switch (dev->chip_id) {
-	case CHIP_ID_EM2860:
-	case CHIP_ID_EM2883:
-		ir->get_key = default_polling_getkey;
-		break;
-	case CHIP_ID_EM2884:
-	case CHIP_ID_EM2874:
-	case CHIP_ID_EM28174:
-		ir->get_key = em2874_polling_getkey;
-		em28xx_write_regs(dev, EM2874_R50_IR_CONFIG, &ir_config, 1);
-		break;
-	default:
-		printk("Unrecognized em28xx chip id 0x%02x: IR not supported\n",
-			dev->chip_id);
-		rc = -EINVAL;
-	}
-
-	return rc;
-}
-
-static void em28xx_register_i2c_ir(struct em28xx *dev)
-{
-	/* Leadtek winfast tv USBII deluxe can find a non working IR-device */
-	/* at address 0x18, so if that address is needed for another board in */
-	/* the future, please put it after 0x1f. */
-	struct i2c_board_info info;
-	const unsigned short addr_list[] = {
-		 0x1f, 0x30, 0x47, I2C_CLIENT_END
-	};
-
-	memset(&info, 0, sizeof(struct i2c_board_info));
-	memset(&dev->init_data, 0, sizeof(dev->init_data));
-	strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
-
-	/* detect & configure */
-	switch (dev->model) {
-	case EM2800_BOARD_TERRATEC_CINERGY_200:
-	case EM2820_BOARD_TERRATEC_CINERGY_250:
-		dev->init_data.ir_codes = RC_MAP_EM_TERRATEC;
-		dev->init_data.get_key = em28xx_get_key_terratec;
-		dev->init_data.name = "i2c IR (EM28XX Terratec)";
-		break;
-	case EM2820_BOARD_PINNACLE_USB_2:
-		dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
-		dev->init_data.get_key = em28xx_get_key_pinnacle_usb_grey;
-		dev->init_data.name = "i2c IR (EM28XX Pinnacle PCTV)";
-		break;
-	case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
-		dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
-		dev->init_data.get_key = em28xx_get_key_em_haup;
-		dev->init_data.name = "i2c IR (EM2840 Hauppauge)";
-		break;
-	case EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE:
-		dev->init_data.ir_codes = RC_MAP_WINFAST_USBII_DELUXE;
-		dev->init_data.get_key = em28xx_get_key_winfast_usbii_deluxe;
-		dev->init_data.name = "i2c IR (EM2820 Winfast TV USBII Deluxe)";
-		break;
-	}
-
-	if (dev->init_data.name)
-		info.platform_data = &dev->init_data;
-	i2c_new_probed_device(&dev->i2c_adap, &info, addr_list, NULL);
-}
-
-/**********************************************************
- Handle Webcam snapshot button
- **********************************************************/
-
-static void em28xx_query_sbutton(struct work_struct *work)
-{
-	/* Poll the register and see if the button is depressed */
-	struct em28xx *dev =
-		container_of(work, struct em28xx, sbutton_query_work.work);
-	int ret;
-
-	ret = em28xx_read_reg(dev, EM28XX_R0C_USBSUSP);
-
-	if (ret & EM28XX_R0C_USBSUSP_SNAPSHOT) {
-		u8 cleared;
-		/* Button is depressed, clear the register */
-		cleared = ((u8) ret) & ~EM28XX_R0C_USBSUSP_SNAPSHOT;
-		em28xx_write_regs(dev, EM28XX_R0C_USBSUSP, &cleared, 1);
-
-		/* Not emulate the keypress */
-		input_report_key(dev->sbutton_input_dev, EM28XX_SNAPSHOT_KEY,
-				 1);
-		/* Now unpress the key */
-		input_report_key(dev->sbutton_input_dev, EM28XX_SNAPSHOT_KEY,
-				 0);
-	}
-
-	/* Schedule next poll */
-	schedule_delayed_work(&dev->sbutton_query_work,
-			      msecs_to_jiffies(EM28XX_SBUTTON_QUERY_INTERVAL));
-}
-
-static void em28xx_register_snapshot_button(struct em28xx *dev)
-{
-	struct input_dev *input_dev;
-	int err;
-
-	em28xx_info("Registering snapshot button...\n");
-	input_dev = input_allocate_device();
-	if (!input_dev) {
-		em28xx_errdev("input_allocate_device failed\n");
-		return;
-	}
-
-	usb_make_path(dev->udev, dev->snapshot_button_path,
-		      sizeof(dev->snapshot_button_path));
-	strlcat(dev->snapshot_button_path, "/sbutton",
-		sizeof(dev->snapshot_button_path));
-	INIT_DELAYED_WORK(&dev->sbutton_query_work, em28xx_query_sbutton);
-
-	input_dev->name = "em28xx snapshot button";
-	input_dev->phys = dev->snapshot_button_path;
-	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
-	set_bit(EM28XX_SNAPSHOT_KEY, input_dev->keybit);
-	input_dev->keycodesize = 0;
-	input_dev->keycodemax = 0;
-	input_dev->id.bustype = BUS_USB;
-	input_dev->id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
-	input_dev->id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
-	input_dev->id.version = 1;
-	input_dev->dev.parent = &dev->udev->dev;
-
-	err = input_register_device(input_dev);
-	if (err) {
-		em28xx_errdev("input_register_device failed\n");
-		input_free_device(input_dev);
-		return;
-	}
-
-	dev->sbutton_input_dev = input_dev;
-	schedule_delayed_work(&dev->sbutton_query_work,
-			      msecs_to_jiffies(EM28XX_SBUTTON_QUERY_INTERVAL));
-	return;
-
-}
-
-static void em28xx_deregister_snapshot_button(struct em28xx *dev)
-{
-	if (dev->sbutton_input_dev != NULL) {
-		em28xx_info("Deregistering snapshot button\n");
-		cancel_delayed_work_sync(&dev->sbutton_query_work);
-		input_unregister_device(dev->sbutton_input_dev);
-		dev->sbutton_input_dev = NULL;
-	}
-	return;
-}
-
-static int em28xx_ir_init(struct em28xx *dev)
-{
-	struct em28xx_IR *ir;
-	struct rc_dev *rc;
-	int err = -ENOMEM;
-
-	if (dev->board.ir_codes == NULL) {
-		/* No remote control support */
-		em28xx_warn("Remote control support is not available for "
-				"this card.\n");
-		return 0;
-	}
-
-	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
-	rc = rc_allocate_device();
-	if (!ir || !rc)
-		goto err_out_free;
-
-	/* record handles to ourself */
-	ir->dev = dev;
-	dev->ir = ir;
-	ir->rc = rc;
-
-	/*
-	 * em2874 supports more protocols. For now, let's just announce
-	 * the two protocols that were already tested
-	 */
-	rc->allowed_protos = RC_TYPE_RC5 | RC_TYPE_NEC;
-	rc->priv = ir;
-	rc->change_protocol = em28xx_ir_change_protocol;
-	rc->open = em28xx_ir_start;
-	rc->close = em28xx_ir_stop;
-
-	/* By default, keep protocol field untouched */
-	err = em28xx_ir_change_protocol(rc, RC_TYPE_UNKNOWN);
-	if (err)
-		goto err_out_free;
-
-	/* This is how often we ask the chip for IR information */
-	ir->polling = 100; /* ms */
-
-	/* init input device */
-	snprintf(ir->name, sizeof(ir->name), "em28xx IR (%s)",
-						dev->name);
-
-	usb_make_path(dev->udev, ir->phys, sizeof(ir->phys));
-	strlcat(ir->phys, "/input0", sizeof(ir->phys));
-
-	rc->input_name = ir->name;
-	rc->input_phys = ir->phys;
-	rc->input_id.bustype = BUS_USB;
-	rc->input_id.version = 1;
-	rc->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
-	rc->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
-	rc->dev.parent = &dev->udev->dev;
-	rc->map_name = dev->board.ir_codes;
-	rc->driver_name = MODULE_NAME;
-
-	/* all done */
-	err = rc_register_device(rc);
-	if (err)
-		goto err_out_stop;
-
-	em28xx_register_i2c_ir(dev);
-
-#if defined(CONFIG_MODULES) && defined(MODULE)
-	if (dev->board.has_ir_i2c)
-		request_module("ir-kbd-i2c");
-#endif
-	if (dev->board.has_snapshot_button)
-		em28xx_register_snapshot_button(dev);
-
-	return 0;
-
- err_out_stop:
-	dev->ir = NULL;
- err_out_free:
-	rc_free_device(rc);
-	kfree(ir);
-	return err;
-}
-
-static int em28xx_ir_fini(struct em28xx *dev)
-{
-	struct em28xx_IR *ir = dev->ir;
-
-	em28xx_deregister_snapshot_button(dev);
-
-	/* skip detach on non attached boards */
-	if (!ir)
-		return 0;
-
-	if (ir->rc)
-		rc_unregister_device(ir->rc);
-
-	/* done */
-	kfree(ir);
-	dev->ir = NULL;
-	return 0;
-}
-
-static struct em28xx_ops rc_ops = {
-	.id   = EM28XX_RC,
-	.name = "Em28xx Input Extension",
-	.init = em28xx_ir_init,
-	.fini = em28xx_ir_fini,
-};
-
-static int __init em28xx_rc_register(void)
-{
-	return em28xx_register_extension(&rc_ops);
-}
-
-static void __exit em28xx_rc_unregister(void)
-{
-	em28xx_unregister_extension(&rc_ops);
-}
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
-MODULE_DESCRIPTION("Em28xx Input driver");
-
-module_init(em28xx_rc_register);
-module_exit(em28xx_rc_unregister);