diff mbox

[REVIEW,v1,2/2,media] lirc_igorplugusb: remove

Message ID 1414097903-1664-2-git-send-email-sean@mess.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sean Young Oct. 23, 2014, 8:58 p.m. UTC
This driver has been replaced by an rc-core driver for the same hardware.

Signed-off-by: Sean Young <sean@mess.org>
---
 drivers/staging/media/lirc/Kconfig            |    6 -
 drivers/staging/media/lirc/Makefile           |    1 -
 drivers/staging/media/lirc/lirc_igorplugusb.c |  508 -------------------------
 3 files changed, 515 deletions(-)
 delete mode 100644 drivers/staging/media/lirc/lirc_igorplugusb.c
diff mbox

Patch

diff --git a/drivers/staging/media/lirc/Kconfig b/drivers/staging/media/lirc/Kconfig
index e60a59f..6879c46 100644
--- a/drivers/staging/media/lirc/Kconfig
+++ b/drivers/staging/media/lirc/Kconfig
@@ -18,12 +18,6 @@  config LIRC_BT829
 	help
 	  Driver for the IR interface on BT829-based hardware
 
-config LIRC_IGORPLUGUSB
-	tristate "Igor Cesko's USB IR Receiver"
-	depends on LIRC && USB
-	help
-	  Driver for Igor Cesko's USB IR Receiver
-
 config LIRC_IMON
 	tristate "Legacy SoundGraph iMON Receiver and Display"
 	depends on LIRC && USB
diff --git a/drivers/staging/media/lirc/Makefile b/drivers/staging/media/lirc/Makefile
index b90fcab..5430adf 100644
--- a/drivers/staging/media/lirc/Makefile
+++ b/drivers/staging/media/lirc/Makefile
@@ -4,7 +4,6 @@ 
 # Each configuration option enables a list of files.
 
 obj-$(CONFIG_LIRC_BT829)	+= lirc_bt829.o
-obj-$(CONFIG_LIRC_IGORPLUGUSB)	+= lirc_igorplugusb.o
 obj-$(CONFIG_LIRC_IMON)		+= lirc_imon.o
 obj-$(CONFIG_LIRC_PARALLEL)	+= lirc_parallel.o
 obj-$(CONFIG_LIRC_SASEM)	+= lirc_sasem.o
diff --git a/drivers/staging/media/lirc/lirc_igorplugusb.c b/drivers/staging/media/lirc/lirc_igorplugusb.c
deleted file mode 100644
index 431d1e8..0000000
--- a/drivers/staging/media/lirc/lirc_igorplugusb.c
+++ /dev/null
@@ -1,508 +0,0 @@ 
-/*
- * lirc_igorplugusb - USB remote support for LIRC
- *
- * Supports the standard homebrew IgorPlugUSB receiver with Igor's firmware.
- * See http://www.cesko.host.sk/IgorPlugUSB/IgorPlug-USB%20(AVR)_eng.htm
- *
- * The device can only record bursts of up to 36 pulses/spaces.
- * Works fine with RC5. Longer commands lead to device buffer overrun.
- * (Maybe a better firmware or a microcontroller with more ram can help?)
- *
- * Version 0.1  [beta status]
- *
- * Copyright (C) 2004 Jan M. Hochstein
- *	<hochstein@algo.informatik.tu-darmstadt.de>
- *
- * This driver was derived from:
- *   Paul Miller <pmiller9@users.sourceforge.net>
- *      "lirc_atiusb" module
- *   Vladimir Dergachev <volodya@minspring.com>'s 2002
- *      "USB ATI Remote support" (input device)
- *   Adrian Dewhurst <sailor-lk@sailorfrag.net>'s 2002
- *      "USB StreamZap remote driver" (LIRC)
- *   Artur Lipowski <alipowski@kki.net.pl>'s 2002
- *      "lirc_dev" and "lirc_gpio" LIRC modules
- */
-
-/*
- * 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/kernel.h>
-#include <linux/kmod.h>
-#include <linux/sched.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/usb.h>
-#include <linux/time.h>
-
-#include <media/lirc.h>
-#include <media/lirc_dev.h>
-
-
-/* module identification */
-#define DRIVER_VERSION		"0.2"
-#define DRIVER_AUTHOR		\
-	"Jan M. Hochstein <hochstein@algo.informatik.tu-darmstadt.de>"
-#define DRIVER_DESC		"Igorplug USB remote driver for LIRC"
-#define DRIVER_NAME		"lirc_igorplugusb"
-
-/* One mode2 pulse/space has 4 bytes. */
-#define CODE_LENGTH	     sizeof(int)
-
-/* Igor's firmware cannot record bursts longer than 36. */
-#define DEVICE_BUFLEN	   36
-
-/*
- * Header at the beginning of the device's buffer:
- *	unsigned char data_length
- *	unsigned char data_start    (!=0 means ring-buffer overrun)
- *	unsigned char counter       (incremented by each burst)
- */
-#define DEVICE_HEADERLEN	3
-
-/* This is for the gap */
-#define ADDITIONAL_LIRC_BYTES   2
-
-/* times to poll per second */
-#define SAMPLE_RATE	     100
-static int sample_rate = SAMPLE_RATE;
-
-
-/**** Igor's USB Request Codes */
-
-#define SET_INFRABUFFER_EMPTY   1
-/**
- * Params: none
- * Answer: empty
- */
-
-#define GET_INFRACODE	   2
-/**
- * Params:
- *   wValue: offset to begin reading infra buffer
- *
- * Answer: infra data
- */
-
-#define SET_DATAPORT_DIRECTION  3
-/**
- * Params:
- *   wValue: (byte) 1 bit for each data port pin (0=in, 1=out)
- *
- * Answer: empty
- */
-
-#define GET_DATAPORT_DIRECTION  4
-/**
- * Params: none
- *
- * Answer: (byte) 1 bit for each data port pin (0=in, 1=out)
- */
-
-#define SET_OUT_DATAPORT	5
-/**
- * Params:
- *   wValue: byte to write to output data port
- *
- * Answer: empty
- */
-
-#define GET_OUT_DATAPORT	6
-/**
- * Params: none
- *
- * Answer: least significant 3 bits read from output data port
- */
-
-#define GET_IN_DATAPORT	 7
-/**
- * Params: none
- *
- * Answer: least significant 3 bits read from input data port
- */
-
-#define READ_EEPROM	     8
-/**
- * Params:
- *   wValue: offset to begin reading EEPROM
- *
- * Answer: EEPROM bytes
- */
-
-#define WRITE_EEPROM	    9
-/**
- * Params:
- *   wValue: offset to EEPROM byte
- *   wIndex: byte to write
- *
- * Answer: empty
- */
-
-#define SEND_RS232	      10
-/**
- * Params:
- *   wValue: byte to send
- *
- * Answer: empty
- */
-
-#define RECV_RS232	      11
-/**
- * Params: none
- *
- * Answer: byte received
- */
-
-#define SET_RS232_BAUD	  12
-/**
- * Params:
- *   wValue: byte to write to UART bit rate register (UBRR)
- *
- * Answer: empty
- */
-
-#define GET_RS232_BAUD	  13
-/**
- * Params: none
- *
- * Answer: byte read from UART bit rate register (UBRR)
- */
-
-
-/* data structure for each usb remote */
-struct igorplug {
-
-	/* usb */
-	struct usb_device *usbdev;
-	int devnum;
-
-	unsigned char *buf_in;
-	unsigned int len_in;
-	int in_space;
-	struct timeval last_time;
-
-	dma_addr_t dma_in;
-
-	/* lirc */
-	struct lirc_driver *d;
-
-	/* handle sending (init strings) */
-	int send_flags;
-};
-
-static int unregister_from_lirc(struct igorplug *ir)
-{
-	struct lirc_driver *d;
-	int devnum;
-
-	devnum = ir->devnum;
-	d = ir->d;
-
-	if (!d) {
-		dev_err(&ir->usbdev->dev,
-			"%s: called with NULL lirc driver struct!\n", __func__);
-		return -EINVAL;
-	}
-
-	dev_dbg(&ir->usbdev->dev, "calling lirc_unregister_driver\n");
-	lirc_unregister_driver(d->minor);
-
-	return devnum;
-}
-
-static int set_use_inc(void *data)
-{
-	struct igorplug *ir = data;
-
-	if (!ir) {
-		printk(DRIVER_NAME "[?]: set_use_inc called with no context\n");
-		return -EIO;
-	}
-
-	dev_dbg(&ir->usbdev->dev, "set use inc\n");
-
-	if (!ir->usbdev)
-		return -ENODEV;
-
-	return 0;
-}
-
-static void set_use_dec(void *data)
-{
-	struct igorplug *ir = data;
-
-	if (!ir) {
-		printk(DRIVER_NAME "[?]: set_use_dec called with no context\n");
-		return;
-	}
-
-	dev_dbg(&ir->usbdev->dev, "set use dec\n");
-}
-
-static void send_fragment(struct igorplug *ir, struct lirc_buffer *buf,
-			   int i, int max)
-{
-	int code;
-
-	/* MODE2: pulse/space (PULSE_BIT) in 1us units */
-	while (i < max) {
-		/* 1 Igor-tick = 85.333333 us */
-		code = (unsigned int)ir->buf_in[i] * 85 +
-			(unsigned int)ir->buf_in[i] / 3;
-		ir->last_time.tv_usec += code;
-		if (ir->in_space)
-			code |= PULSE_BIT;
-		lirc_buffer_write(buf, (unsigned char *)&code);
-		/* 1 chunk = CODE_LENGTH bytes */
-		ir->in_space ^= 1;
-		++i;
-	}
-}
-
-/**
- * Called in user context.
- * return 0 if data was added to the buffer and
- * -ENODATA if none was available. This should add some number of bits
- * evenly divisible by code_length to the buffer
- */
-static int igorplugusb_remote_poll(void *data, struct lirc_buffer *buf)
-{
-	int ret;
-	struct igorplug *ir = (struct igorplug *)data;
-
-	if (!ir || !ir->usbdev)  /* Has the device been removed? */
-		return -ENODEV;
-
-	memset(ir->buf_in, 0, ir->len_in);
-
-	ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),
-			      GET_INFRACODE, USB_TYPE_VENDOR | USB_DIR_IN,
-			      0/* offset */, /*unused*/0,
-			      ir->buf_in, ir->len_in,
-			      /*timeout*/HZ * USB_CTRL_GET_TIMEOUT);
-	if (ret > 0) {
-		int code, timediff;
-		struct timeval now;
-
-		/* ACK packet has 1 byte --> ignore */
-		if (ret < DEVICE_HEADERLEN)
-			return -ENODATA;
-
-		dev_dbg(&ir->usbdev->dev, "Got %d bytes. Header: %*ph\n",
-			ret, 3, ir->buf_in);
-
-		do_gettimeofday(&now);
-		timediff = now.tv_sec - ir->last_time.tv_sec;
-		if (timediff + 1 > PULSE_MASK / 1000000)
-			timediff = PULSE_MASK;
-		else {
-			timediff *= 1000000;
-			timediff += now.tv_usec - ir->last_time.tv_usec;
-		}
-		ir->last_time.tv_sec = now.tv_sec;
-		ir->last_time.tv_usec = now.tv_usec;
-
-		/* create leading gap  */
-		code = timediff;
-		lirc_buffer_write(buf, (unsigned char *)&code);
-		ir->in_space = 1;   /* next comes a pulse */
-
-		if (ir->buf_in[2] == 0)
-			send_fragment(ir, buf, DEVICE_HEADERLEN, ret);
-		else {
-			dev_warn(&ir->usbdev->dev,
-				 "[%d]: Device buffer overrun.\n", ir->devnum);
-			/* HHHNNNNNNNNNNNOOOOOOOO H = header
-			      <---[2]--->         N = newer
-			   <---------ret--------> O = older */
-			ir->buf_in[2] %= ret - DEVICE_HEADERLEN; /* sanitize */
-			/* keep even-ness to not desync pulse/pause */
-			send_fragment(ir, buf, DEVICE_HEADERLEN +
-				      ir->buf_in[2] - (ir->buf_in[2] & 1), ret);
-			send_fragment(ir, buf, DEVICE_HEADERLEN,
-				      DEVICE_HEADERLEN + ir->buf_in[2]);
-		}
-
-		ret = usb_control_msg(
-		      ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),
-		      SET_INFRABUFFER_EMPTY, USB_TYPE_VENDOR|USB_DIR_IN,
-		      /*unused*/0, /*unused*/0,
-		      /*dummy*/ir->buf_in, /*dummy*/ir->len_in,
-		      /*timeout*/HZ * USB_CTRL_GET_TIMEOUT);
-		if (ret < 0)
-			printk(DRIVER_NAME "[%d]: SET_INFRABUFFER_EMPTY: error %d\n",
-			       ir->devnum, ret);
-		return 0;
-	} else if (ret < 0)
-		printk(DRIVER_NAME "[%d]: GET_INFRACODE: error %d\n",
-			ir->devnum, ret);
-
-	return -ENODATA;
-}
-
-static int igorplugusb_remote_probe(struct usb_interface *intf,
-				    const struct usb_device_id *id)
-{
-	struct usb_device *dev;
-	struct usb_host_interface *idesc = NULL;
-	struct usb_endpoint_descriptor *ep;
-	struct igorplug *ir = NULL;
-	struct lirc_driver *driver = NULL;
-	int devnum, pipe, maxp;
-	char buf[63], name[128] = "";
-	int ret;
-
-	dev_dbg(&intf->dev, "%s: usb probe called.\n", __func__);
-
-	dev = interface_to_usbdev(intf);
-
-	idesc = intf->cur_altsetting;
-
-	if (idesc->desc.bNumEndpoints != 1)
-		return -ENODEV;
-
-	ep = &idesc->endpoint->desc;
-	if (((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
-	    != USB_DIR_IN)
-	    || (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
-	    != USB_ENDPOINT_XFER_CONTROL)
-		return -ENODEV;
-
-	pipe = usb_rcvctrlpipe(dev, ep->bEndpointAddress);
-	devnum = dev->devnum;
-	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
-
-	dev_dbg(&intf->dev, "%s: bytes_in_key=%zu maxp=%d\n",
-		__func__, CODE_LENGTH, maxp);
-
-	ir = devm_kzalloc(&intf->dev, sizeof(*ir), GFP_KERNEL);
-	if (!ir)
-		return -ENOMEM;
-
-	driver = devm_kzalloc(&intf->dev, sizeof(*driver), GFP_KERNEL);
-	if (!driver)
-		return -ENOMEM;
-
-	ir->buf_in = usb_alloc_coherent(dev, DEVICE_BUFLEN + DEVICE_HEADERLEN,
-					GFP_ATOMIC, &ir->dma_in);
-	if (!ir->buf_in)
-		return -ENOMEM;
-
-	strcpy(driver->name, DRIVER_NAME " ");
-	driver->minor = -1;
-	driver->code_length = CODE_LENGTH * 8; /* in bits */
-	driver->features = LIRC_CAN_REC_MODE2;
-	driver->data = ir;
-	driver->chunk_size = CODE_LENGTH;
-	driver->buffer_size = DEVICE_BUFLEN + ADDITIONAL_LIRC_BYTES;
-	driver->set_use_inc = &set_use_inc;
-	driver->set_use_dec = &set_use_dec;
-	driver->sample_rate = sample_rate;    /* per second */
-	driver->add_to_buf = &igorplugusb_remote_poll;
-	driver->dev = &intf->dev;
-	driver->owner = THIS_MODULE;
-
-	ret = lirc_register_driver(driver);
-	if (ret < 0) {
-		usb_free_coherent(dev, DEVICE_BUFLEN + DEVICE_HEADERLEN,
-			ir->buf_in, ir->dma_in);
-		return ret;
-	}
-
-	driver->minor = ret;
-	ir->d = driver;
-	ir->devnum = devnum;
-	ir->usbdev = dev;
-	ir->len_in = DEVICE_BUFLEN + DEVICE_HEADERLEN;
-	ir->in_space = 1; /* First mode2 event is a space. */
-	do_gettimeofday(&ir->last_time);
-
-	if (dev->descriptor.iManufacturer
-	    && usb_string(dev, dev->descriptor.iManufacturer,
-			  buf, sizeof(buf)) > 0)
-		strlcpy(name, buf, sizeof(name));
-	if (dev->descriptor.iProduct
-	    && usb_string(dev, dev->descriptor.iProduct, buf, sizeof(buf)) > 0)
-		snprintf(name + strlen(name), sizeof(name) - strlen(name),
-			 " %s", buf);
-	printk(DRIVER_NAME "[%d]: %s on usb%d:%d\n", devnum, name,
-	       dev->bus->busnum, devnum);
-
-	/* clear device buffer */
-	ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),
-		SET_INFRABUFFER_EMPTY, USB_TYPE_VENDOR|USB_DIR_IN,
-		/*unused*/0, /*unused*/0,
-		/*dummy*/ir->buf_in, /*dummy*/ir->len_in,
-		/*timeout*/HZ * USB_CTRL_GET_TIMEOUT);
-	if (ret < 0)
-		printk(DRIVER_NAME "[%d]: SET_INFRABUFFER_EMPTY: error %d\n",
-			devnum, ret);
-
-	usb_set_intfdata(intf, ir);
-	return 0;
-}
-
-static void igorplugusb_remote_disconnect(struct usb_interface *intf)
-{
-	struct usb_device *usbdev = interface_to_usbdev(intf);
-	struct igorplug *ir = usb_get_intfdata(intf);
-	struct device *dev = &intf->dev;
-	int devnum;
-
-	usb_set_intfdata(intf, NULL);
-
-	if (!ir || !ir->d)
-		return;
-
-	ir->usbdev = NULL;
-
-	usb_free_coherent(usbdev, ir->len_in, ir->buf_in, ir->dma_in);
-
-	devnum = unregister_from_lirc(ir);
-
-	dev_info(dev, DRIVER_NAME "[%d]: %s done\n", devnum, __func__);
-}
-
-static struct usb_device_id igorplugusb_remote_id_table[] = {
-	/* Igor Plug USB (Atmel's Manufact. ID) */
-	{ USB_DEVICE(0x03eb, 0x0002) },
-	/* Fit PC2 Infrared Adapter */
-	{ USB_DEVICE(0x03eb, 0x21fe) },
-
-	/* Terminating entry */
-	{ }
-};
-
-static struct usb_driver igorplugusb_remote_driver = {
-	.name =		DRIVER_NAME,
-	.probe =	igorplugusb_remote_probe,
-	.disconnect =	igorplugusb_remote_disconnect,
-	.id_table =	igorplugusb_remote_id_table
-};
-
-module_usb_driver(igorplugusb_remote_driver);
-
-#include <linux/vermagic.h>
-MODULE_INFO(vermagic, VERMAGIC_STRING);
-
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_LICENSE("GPL");
-MODULE_DEVICE_TABLE(usb, igorplugusb_remote_id_table);
-
-module_param(sample_rate, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(sample_rate, "Sampling rate in Hz (default: 100)");