diff -Naurp linux-2.6.35.x86_64.orig/drivers/media/IR/ir-core-priv.h linux-2.6.35.x86_64/drivers/media/IR/ir-core-priv.h --- linux-2.6.35.x86_64.orig/drivers/media/IR/ir-core-priv.h 2010-08-15 17:50:34.572382442 -0400 +++ linux-2.6.35.x86_64/drivers/media/IR/ir-core-priv.h 2010-08-16 00:11:42.756124321 -0400 @@ -73,6 +73,12 @@ struct ir_raw_event_ctrl { bool first; bool toggle; } jvc; + struct rc5_sz_dec { + int state; + u32 bits; + unsigned count; + unsigned wanted_bits; + } rc5_sz; struct lirc_codec { struct ir_input_dev *ir_dev; struct lirc_driver *drv; diff -Naurp linux-2.6.35.x86_64.orig/drivers/media/IR/ir-rc5-sz-decoder.c linux-2.6.35.x86_64/drivers/media/IR/ir-rc5-sz-decoder.c --- linux-2.6.35.x86_64.orig/drivers/media/IR/ir-rc5-sz-decoder.c 1969-12-31 19:00:00.000000000 -0500 +++ linux-2.6.35.x86_64/drivers/media/IR/ir-rc5-sz-decoder.c 2010-08-16 00:07:19.962608685 -0400 @@ -0,0 +1,153 @@ +/* ir-rc5-sz-decoder.c - handle RC5 Streamzap IR Pulse/Space protocol + * + * Copyright (C) 2010 by Mauro Carvalho Chehab + * Copyright (C) 2010 by Jarod Wilson + * + * 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 version 2 of the License. + * + * 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. + */ + +/* + * This code handles the 15 bit RC5-ish protocol used by the Streamzap + * PC Remote. + * It considers a carrier of 36 kHz, with a total of 15 bits, where + * the first two bits are start bits, and a third one is a filing bit + */ + +#include "ir-core-priv.h" + +#define RC5_SZ_NBITS 15 +#define RC5_UNIT 888888 /* ns */ +#define RC5_BIT_START (1 * RC5_UNIT) +#define RC5_BIT_END (1 * RC5_UNIT) + +enum rc5_sz_state { + STATE_INACTIVE, + STATE_BIT_START, + STATE_BIT_END, + STATE_FINISHED, +}; + +/** + * ir_rc5_sz_decode() - Decode one RC-5 Streamzap pulse or space + * @input_dev: the struct input_dev descriptor of the device + * @ev: the struct ir_raw_event descriptor of the pulse/space + * + * This function returns -EINVAL if the pulse violates the state machine + */ +static int ir_rc5_sz_decode(struct input_dev *input_dev, struct ir_raw_event ev) +{ + struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); + struct rc5_sz_dec *data = &ir_dev->raw->rc5_sz; + u8 toggle, command, system; + u32 scancode; + + if (!(ir_dev->raw->enabled_protocols & IR_TYPE_RC5_SZ)) + return 0; + + if (IS_RESET(ev)) { + data->state = STATE_INACTIVE; + return 0; + } + + if (!geq_margin(ev.duration, RC5_UNIT, RC5_UNIT / 2)) + goto out; + +again: + IR_dprintk(2, "RC5-sz decode started at state %i (%uus %s)\n", + data->state, TO_US(ev.duration), TO_STR(ev.pulse)); + + if (!geq_margin(ev.duration, RC5_UNIT, RC5_UNIT / 2)) + return 0; + + switch (data->state) { + + case STATE_INACTIVE: + if (!ev.pulse) + break; + + data->state = STATE_BIT_START; + data->count = 1; + data->wanted_bits = RC5_SZ_NBITS; + decrease_duration(&ev, RC5_BIT_START); + goto again; + + case STATE_BIT_START: + if (!eq_margin(ev.duration, RC5_BIT_START, RC5_UNIT / 2)) + break; + + data->bits <<= 1; + if (!ev.pulse) + data->bits |= 1; + data->count++; + data->state = STATE_BIT_END; + return 0; + + case STATE_BIT_END: + if (!is_transition(&ev, &ir_dev->raw->prev_ev)) + break; + + if (data->count == data->wanted_bits) + data->state = STATE_FINISHED; + else + data->state = STATE_BIT_START; + + decrease_duration(&ev, RC5_BIT_END); + goto again; + + case STATE_FINISHED: + if (ev.pulse) + break; + + /* RC5-sz */ + command = (data->bits & 0x0003F) >> 0; + system = (data->bits & 0x02FC0) >> 6; + toggle = (data->bits & 0x01000) ? 1 : 0; + scancode = system << 6 | command; + + IR_dprintk(1, "RC5-sz scancode 0x%04x (toggle: %u)\n", + scancode, toggle); + + ir_keydown(input_dev, scancode, toggle); + data->state = STATE_INACTIVE; + return 0; + } + +out: + IR_dprintk(1, "RC5-sz decode failed at state %i (%uus %s)\n", + data->state, TO_US(ev.duration), TO_STR(ev.pulse)); + data->state = STATE_INACTIVE; + return -EINVAL; +} + +static struct ir_raw_handler rc5_sz_handler = { + .protocols = IR_TYPE_RC5_SZ, + .decode = ir_rc5_sz_decode, +}; + +static int __init ir_rc5_sz_decode_init(void) +{ + ir_raw_handler_register(&rc5_sz_handler); + + printk(KERN_INFO "IR RC5 (streamzap) protocol handler initialized\n"); + return 0; +} + +static void __exit ir_rc5_sz_decode_exit(void) +{ + ir_raw_handler_unregister(&rc5_sz_handler); +} + +module_init(ir_rc5_sz_decode_init); +module_exit(ir_rc5_sz_decode_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jarod Wilson "); +MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)"); +MODULE_DESCRIPTION("RC5 (streamzap) IR protocol decoder"); diff -Naurp linux-2.6.35.x86_64.orig/drivers/media/IR/ir-sysfs.c linux-2.6.35.x86_64/drivers/media/IR/ir-sysfs.c --- linux-2.6.35.x86_64.orig/drivers/media/IR/ir-sysfs.c 2010-08-15 17:50:34.574380413 -0400 +++ linux-2.6.35.x86_64/drivers/media/IR/ir-sysfs.c 2010-08-16 00:23:24.893168856 -0400 @@ -93,6 +93,11 @@ static ssize_t show_protocols(struct dev else if (allowed & IR_TYPE_SONY) tmp += sprintf(tmp, "sony "); + if (allowed & enabled & IR_TYPE_RC5_SZ) + tmp += sprintf(tmp, "[rc5sz] "); + else if (allowed & IR_TYPE_RC5_SZ) + tmp += sprintf(tmp, "rc5sz "); + if (allowed & enabled & IR_TYPE_LIRC) tmp += sprintf(tmp, "[lirc] "); else if (allowed & IR_TYPE_LIRC) @@ -165,6 +170,9 @@ static ssize_t store_protocols(struct de } else if (!strncasecmp(tmp, "sony", 4)) { tmp += 4; mask = IR_TYPE_SONY; + } else if (!strncasecmp(tmp, "rc5sz", 5)) { + tmp += 5; + mask = IR_TYPE_RC5_SZ; } else if (!strncasecmp(tmp, "lirc", 4)) { tmp += 4; mask = IR_TYPE_LIRC; diff -Naurp linux-2.6.35.x86_64.orig/drivers/media/IR/Kconfig linux-2.6.35.x86_64/drivers/media/IR/Kconfig --- linux-2.6.35.x86_64.orig/drivers/media/IR/Kconfig 2010-08-15 17:50:34.571382513 -0400 +++ linux-2.6.35.x86_64/drivers/media/IR/Kconfig 2010-08-16 00:10:09.292873588 -0400 @@ -69,6 +69,16 @@ config IR_SONY_DECODER Enable this option if you have an infrared remote control which uses the Sony protocol, and you need software decoding support. +config IR_RC5_SZ_DECODER + tristate "Enable IR raw decoder for the RC-5 (streamzap) protocol" + depends on IR_CORE + select BITREVERSE + default y + + ---help--- + Enable this option if you have IR with RC-5 (streamzap) protocol, + and if the IR is decoded in software. + config IR_LIRC_CODEC tristate "Enable IR to LIRC bridge" depends on IR_CORE @@ -102,3 +112,15 @@ config IR_MCEUSB To compile this driver as a module, choose M here: the module will be called mceusb. + +config IR_STREAMZAP + tristate "Streamzap PC Remote IR Receiver" + depends on USB_ARCH_HAS_HCD + depends on IR_CORE + select USB + ---help--- + Say Y here if you want to use a Streamzap PC Remote + Infrared Receiver. + + To compile this driver as a module, choose M here: the + module will be called streamzap. diff -Naurp linux-2.6.35.x86_64.orig/drivers/media/IR/keymaps/Makefile linux-2.6.35.x86_64/drivers/media/IR/keymaps/Makefile --- linux-2.6.35.x86_64.orig/drivers/media/IR/keymaps/Makefile 2010-08-15 17:50:34.575383346 -0400 +++ linux-2.6.35.x86_64/drivers/media/IR/keymaps/Makefile 2010-08-16 00:05:47.400370419 -0400 @@ -60,6 +60,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t rc-rc5-tv.o \ rc-rc6-mce.o \ rc-real-audio-220-32-keys.o \ + rc-streamzap.o \ rc-tbs-nec.o \ rc-terratec-cinergy-xs.o \ rc-tevii-nec.o \ diff -Naurp linux-2.6.35.x86_64.orig/drivers/media/IR/keymaps/rc-streamzap.c linux-2.6.35.x86_64/drivers/media/IR/keymaps/rc-streamzap.c --- linux-2.6.35.x86_64.orig/drivers/media/IR/keymaps/rc-streamzap.c 1969-12-31 19:00:00.000000000 -0500 +++ linux-2.6.35.x86_64/drivers/media/IR/keymaps/rc-streamzap.c 2010-08-16 00:05:47.402370467 -0400 @@ -0,0 +1,82 @@ +/* rc-streamzap.c - Keytable for Streamzap PC Remote, for use + * with the Streamzap PC Remote IR Receiver. + * + * Copyright (c) 2010 by Jarod Wilson + * + * 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. + */ + +#include + +static struct ir_scancode streamzap[] = { +/* + * The Streamzap remote is almost, but not quite, RC-5, as it has an extra + * bit in it, which throws the in-kernel RC-5 decoder for a loop. Currently, + * an additional RC-5-sz decoder is being deployed to support it, but it + * may be possible to merge it back with the standard RC-5 decoder. + */ + { 0x28c0, KEY_NUMERIC_0 }, + { 0x28c1, KEY_NUMERIC_1 }, + { 0x28c2, KEY_NUMERIC_2 }, + { 0x28c3, KEY_NUMERIC_3 }, + { 0x28c4, KEY_NUMERIC_4 }, + { 0x28c5, KEY_NUMERIC_5 }, + { 0x28c6, KEY_NUMERIC_6 }, + { 0x28c7, KEY_NUMERIC_7 }, + { 0x28c8, KEY_NUMERIC_8 }, + { 0x28c9, KEY_NUMERIC_9 }, + { 0x28ca, KEY_POWER }, + { 0x28cb, KEY_MUTE }, + { 0x28cc, KEY_CHANNELUP }, + { 0x28cd, KEY_VOLUMEUP }, + { 0x28ce, KEY_CHANNELDOWN }, + { 0x28cf, KEY_VOLUMEDOWN }, + { 0x28d0, KEY_UP }, + { 0x28d1, KEY_LEFT }, + { 0x28d2, KEY_OK }, + { 0x28d3, KEY_RIGHT }, + { 0x28d4, KEY_DOWN }, + { 0x28d5, KEY_MENU }, + { 0x28d6, KEY_EXIT }, + { 0x28d7, KEY_PLAY }, + { 0x28d8, KEY_PAUSE }, + { 0x28d9, KEY_STOP }, + { 0x28da, KEY_BACK }, + { 0x28db, KEY_FORWARD }, + { 0x28dc, KEY_RECORD }, + { 0x28dd, KEY_REWIND }, + { 0x28de, KEY_FASTFORWARD }, + { 0x28e0, KEY_RED }, + { 0x28e1, KEY_GREEN }, + { 0x28e2, KEY_YELLOW }, + { 0x28e3, KEY_BLUE }, + +}; + +static struct rc_keymap streamzap_map = { + .map = { + .scan = streamzap, + .size = ARRAY_SIZE(streamzap), + .ir_type = IR_TYPE_RC5, + .name = RC_MAP_STREAMZAP, + } +}; + +static int __init init_rc_map_streamzap(void) +{ + return ir_register_map(&streamzap_map); +} + +static void __exit exit_rc_map_streamzap(void) +{ + ir_unregister_map(&streamzap_map); +} + +module_init(init_rc_map_streamzap) +module_exit(exit_rc_map_streamzap) + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jarod Wilson "); diff -Naurp linux-2.6.35.x86_64.orig/drivers/media/IR/Makefile linux-2.6.35.x86_64/drivers/media/IR/Makefile --- linux-2.6.35.x86_64.orig/drivers/media/IR/Makefile 2010-08-15 17:50:34.571382513 -0400 +++ linux-2.6.35.x86_64/drivers/media/IR/Makefile 2010-08-16 00:10:29.478144601 -0400 @@ -11,8 +11,10 @@ obj-$(CONFIG_IR_RC5_DECODER) += ir-rc5-d obj-$(CONFIG_IR_RC6_DECODER) += ir-rc6-decoder.o obj-$(CONFIG_IR_JVC_DECODER) += ir-jvc-decoder.o obj-$(CONFIG_IR_SONY_DECODER) += ir-sony-decoder.o +obj-$(CONFIG_IR_RC5_SZ_DECODER) += ir-rc5-sz-decoder.o obj-$(CONFIG_IR_LIRC_CODEC) += ir-lirc-codec.o # stand-alone IR receivers/transmitters obj-$(CONFIG_IR_IMON) += imon.o obj-$(CONFIG_IR_MCEUSB) += mceusb.o +obj-$(CONFIG_IR_STREAMZAP) += streamzap.o diff -Naurp linux-2.6.35.x86_64.orig/drivers/media/IR/streamzap.c linux-2.6.35.x86_64/drivers/media/IR/streamzap.c --- linux-2.6.35.x86_64.orig/drivers/media/IR/streamzap.c 1969-12-31 19:00:00.000000000 -0500 +++ linux-2.6.35.x86_64/drivers/media/IR/streamzap.c 2010-08-16 00:12:43.223932881 -0400 @@ -0,0 +1,569 @@ +/* + * Streamzap Remote Control driver + * + * Copyright (c) 2005 Christoph Bartelmus + * Copyright (c) 2010 Jarod Wilson + * + * This driver was based on the work of Greg Wickham and Adrian + * Dewhurst. It was substantially rewritten to support correct signal + * gaps and now maintains a delay buffer, which is used to present + * consistent timing behaviour to user space applications. Without the + * delay buffer an ugly hack would be required in lircd, which can + * cause sluggish signal decoding in certain situations. + * + * Ported to in-kernel ir-core interface by Jarod Wilson + * + * This driver is based on the USB skeleton driver packaged with the + * kernel; copyright (C) 2001-2003 Greg Kroah-Hartman (greg@kroah.com) + * + * 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 +#include +#include +#include +#include +#include + +#define DRIVER_VERSION "1.61" +#define DRIVER_NAME "streamzap" +#define DRIVER_DESC "Streamzap Remote Control driver" + +#ifdef CONFIG_USB_DEBUG +static int debug = 1; +#else +static int debug; +#endif + +#define USB_STREAMZAP_VENDOR_ID 0x0e9c +#define USB_STREAMZAP_PRODUCT_ID 0x0000 + +/* table of devices that work with this driver */ +static struct usb_device_id streamzap_table[] = { + /* Streamzap Remote Control */ + { USB_DEVICE(USB_STREAMZAP_VENDOR_ID, USB_STREAMZAP_PRODUCT_ID) }, + /* Terminating entry */ + { } +}; + +MODULE_DEVICE_TABLE(usb, streamzap_table); + +#define STREAMZAP_PULSE_MASK 0xf0 +#define STREAMZAP_SPACE_MASK 0x0f +#define STREAMZAP_TIMEOUT 0xff +#define STREAMZAP_RESOLUTION 256 + +/* number of samples buffered */ +#define SZ_BUF_LEN 128 + +/* from ir-rc5-sz-decoder.c */ +#ifdef CONFIG_IR_RC5_SZ_DECODER_MODULE +#define load_rc5_sz_decode() request_module("ir-rc5-sz-decoder") +#else +#define load_rc5_sz_decode() 0 +#endif + +enum StreamzapDecoderState { + PulseSpace, + FullPulse, + FullSpace, + IgnorePulse +}; + +/* structure to hold our device specific stuff */ +struct streamzap_ir { + + /* ir-core */ + struct ir_dev_props *props; + + /* core device info */ + struct device *dev; + struct input_dev *idev; + + /* usb */ + struct usb_device *usbdev; + struct usb_interface *interface; + struct usb_endpoint_descriptor *endpoint; + struct urb *urb_in; + + /* buffer & dma */ + unsigned char *buf_in; + dma_addr_t dma_in; + unsigned int buf_in_len; + + /* track what state we're in */ + enum StreamzapDecoderState decoder_state; + /* tracks whether we are currently receiving some signal */ + bool idle; + /* sum of signal lengths received since signal start */ + unsigned long sum; + /* start time of signal; necessary for gap tracking */ + struct timeval signal_last; + struct timeval signal_start; + bool timeout_enabled; + + char name[128]; + char phys[64]; +}; + + +/* local function prototypes */ +static int streamzap_probe(struct usb_interface *interface, + const struct usb_device_id *id); +static void streamzap_disconnect(struct usb_interface *interface); +static void streamzap_callback(struct urb *urb); +static int streamzap_suspend(struct usb_interface *intf, pm_message_t message); +static int streamzap_resume(struct usb_interface *intf); + +/* usb specific object needed to register this driver with the usb subsystem */ +static struct usb_driver streamzap_driver = { + .name = DRIVER_NAME, + .probe = streamzap_probe, + .disconnect = streamzap_disconnect, + .suspend = streamzap_suspend, + .resume = streamzap_resume, + .id_table = streamzap_table, +}; + +static void sz_push(struct streamzap_ir *sz, struct ir_raw_event rawir) +{ + ir_raw_event_store(sz->idev, &rawir); +} + +static void sz_push_full_pulse(struct streamzap_ir *sz, + unsigned char value) +{ + struct ir_raw_event rawir; + + if (sz->idle) { + long deltv; + + sz->signal_last = sz->signal_start; + do_gettimeofday(&sz->signal_start); + + deltv = sz->signal_start.tv_sec - sz->signal_last.tv_sec; + rawir.pulse = false; + if (deltv > 15) { + /* really long time */ + rawir.duration = IR_MAX_DURATION; + } else { + rawir.duration = (int)(deltv * 1000000 + + sz->signal_start.tv_usec - + sz->signal_last.tv_usec); + rawir.duration -= sz->sum; + rawir.duration *= 1000; + rawir.duration &= IR_MAX_DURATION; + } + dev_dbg(sz->dev, "ls %u\n", rawir.duration); + sz_push(sz, rawir); + + sz->idle = false; + sz->sum = 0; + } + + rawir.pulse = true; + rawir.duration = ((int) value) * STREAMZAP_RESOLUTION; + rawir.duration += STREAMZAP_RESOLUTION / 2; + sz->sum += rawir.duration; + rawir.duration *= 1000; + rawir.duration &= IR_MAX_DURATION; + dev_dbg(sz->dev, "p %u\n", rawir.duration); + sz_push(sz, rawir); +} + +static void sz_push_half_pulse(struct streamzap_ir *sz, + unsigned char value) +{ + sz_push_full_pulse(sz, (value & STREAMZAP_PULSE_MASK) >> 4); +} + +static void sz_push_full_space(struct streamzap_ir *sz, + unsigned char value) +{ + struct ir_raw_event rawir; + + rawir.pulse = false; + rawir.duration = ((int) value) * STREAMZAP_RESOLUTION; + rawir.duration += STREAMZAP_RESOLUTION / 2; + sz->sum += rawir.duration; + rawir.duration *= 1000; + dev_dbg(sz->dev, "s %u\n", rawir.duration); + sz_push(sz, rawir); +} + +static void sz_push_half_space(struct streamzap_ir *sz, + unsigned long value) +{ + sz_push_full_space(sz, value & STREAMZAP_SPACE_MASK); +} + +/** + * streamzap_callback - usb IRQ handler callback + * + * This procedure is invoked on reception of data from + * the usb remote. + */ +static void streamzap_callback(struct urb *urb) +{ + struct streamzap_ir *sz; + unsigned int i; + int len; + static int timeout = (((STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION) & + IR_MAX_DURATION) | 0x03000000); + + if (!urb) + return; + + sz = urb->context; + len = urb->actual_length; + + switch (urb->status) { + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* + * this urb is terminated, clean up. + * sz might already be invalid at this point + */ + dev_err(sz->dev, "urb terminated, status: %d\n", urb->status); + return; + default: + break; + } + + dev_info(sz->dev, "%s: received urb, len %d\n", __func__, len); + for (i = 0; i < len; i++) { + dev_info(sz->dev, "sz idx %d: %x\n", + i, (unsigned char)sz->buf_in[i]); + switch (sz->decoder_state) { + case PulseSpace: + if ((sz->buf_in[i] & STREAMZAP_PULSE_MASK) == + STREAMZAP_PULSE_MASK) { + sz->decoder_state = FullPulse; + continue; + } else if ((sz->buf_in[i] & STREAMZAP_SPACE_MASK) + == STREAMZAP_SPACE_MASK) { + sz_push_half_pulse(sz, sz->buf_in[i]); + sz->decoder_state = FullSpace; + continue; + } else { + sz_push_half_pulse(sz, sz->buf_in[i]); + sz_push_half_space(sz, sz->buf_in[i]); + } + break; + case FullPulse: + sz_push_full_pulse(sz, sz->buf_in[i]); + sz->decoder_state = IgnorePulse; + break; + case FullSpace: + if (sz->buf_in[i] == STREAMZAP_TIMEOUT) { + struct ir_raw_event rawir; + + rawir.pulse = false; + rawir.duration = timeout * 1000; + sz->idle = true; + if (sz->timeout_enabled) + sz_push(sz, rawir); + ir_raw_event_handle(sz->idev); + } else { + sz_push_full_space(sz, sz->buf_in[i]); + } + sz->decoder_state = PulseSpace; + break; + case IgnorePulse: + if ((sz->buf_in[i] & STREAMZAP_SPACE_MASK) == + STREAMZAP_SPACE_MASK) { + sz->decoder_state = FullSpace; + continue; + } + sz_push_half_space(sz, sz->buf_in[i]); + sz->decoder_state = PulseSpace; + break; + } + } + + usb_submit_urb(urb, GFP_ATOMIC); + + return; +} + +static struct input_dev *streamzap_init_input_dev(struct streamzap_ir *sz) +{ + struct input_dev *idev; + struct ir_dev_props *props; + struct device *dev = sz->dev; + int ret; + + idev = input_allocate_device(); + if (!idev) { + dev_err(dev, "remote input dev allocation failed\n"); + goto idev_alloc_failed; + } + + props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL); + if (!props) { + dev_err(dev, "remote ir dev props allocation failed\n"); + goto props_alloc_failed; + } + + snprintf(sz->name, sizeof(sz->name), "Streamzap PC Remote Infrared " + "Receiver (%04x:%04x)", + le16_to_cpu(sz->usbdev->descriptor.idVendor), + le16_to_cpu(sz->usbdev->descriptor.idProduct)); + + idev->name = sz->name; + usb_make_path(sz->usbdev, sz->phys, sizeof(sz->phys)); + strlcat(sz->phys, "/input0", sizeof(sz->phys)); + idev->phys = sz->phys; + + props->priv = sz; + props->driver_type = RC_DRIVER_IR_RAW; + props->allowed_protos = IR_TYPE_ALL; + + sz->props = props; + + ret = ir_input_register(idev, RC_MAP_STREAMZAP, props, DRIVER_NAME); + if (ret < 0) { + dev_err(dev, "remote input device register failed\n"); + goto irdev_failed; + } + + return idev; + +irdev_failed: + kfree(props); +props_alloc_failed: + input_free_device(idev); +idev_alloc_failed: + return NULL; +} + +/** + * streamzap_probe + * + * Called by usb-core to associated with a candidate device + * On any failure the return value is the ERROR + * On success return 0 + */ +static int __devinit streamzap_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *usbdev = interface_to_usbdev(intf); + struct usb_host_interface *iface_host; + struct streamzap_ir *sz = NULL; + char buf[63], name[128] = ""; + int retval = -ENOMEM; + int pipe, maxp; + + /* Allocate space for device driver specific data */ + sz = kzalloc(sizeof(struct streamzap_ir), GFP_KERNEL); + if (!sz) + return -ENOMEM; + + sz->usbdev = usbdev; + sz->interface = intf; + + /* Check to ensure endpoint information matches requirements */ + iface_host = intf->cur_altsetting; + + if (iface_host->desc.bNumEndpoints != 1) { + dev_err(&intf->dev, "%s: Unexpected desc.bNumEndpoints (%d)\n", + __func__, iface_host->desc.bNumEndpoints); + retval = -ENODEV; + goto free_sz; + } + + sz->endpoint = &(iface_host->endpoint[0].desc); + if ((sz->endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) + != USB_DIR_IN) { + dev_err(&intf->dev, "%s: endpoint doesn't match input device " + "02%02x\n", __func__, sz->endpoint->bEndpointAddress); + retval = -ENODEV; + goto free_sz; + } + + if ((sz->endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) + != USB_ENDPOINT_XFER_INT) { + dev_err(&intf->dev, "%s: endpoint attributes don't match xfer " + "02%02x\n", __func__, sz->endpoint->bmAttributes); + retval = -ENODEV; + goto free_sz; + } + + pipe = usb_rcvintpipe(usbdev, sz->endpoint->bEndpointAddress); + maxp = usb_maxpacket(usbdev, pipe, usb_pipeout(pipe)); + + if (maxp == 0) { + dev_err(&intf->dev, "%s: endpoint Max Packet Size is 0!?!\n", + __func__); + retval = -ENODEV; + goto free_sz; + } + + /* Allocate the USB buffer and IRQ URB */ + sz->buf_in = usb_alloc_coherent(usbdev, maxp, GFP_ATOMIC, &sz->dma_in); + if (!sz->buf_in) + goto free_sz; + + sz->urb_in = usb_alloc_urb(0, GFP_KERNEL); + if (!sz->urb_in) + goto free_buf_in; + + sz->dev = &intf->dev; + sz->buf_in_len = maxp; + + if (usbdev->descriptor.iManufacturer + && usb_string(usbdev, usbdev->descriptor.iManufacturer, + buf, sizeof(buf)) > 0) + strlcpy(name, buf, sizeof(name)); + + if (usbdev->descriptor.iProduct + && usb_string(usbdev, usbdev->descriptor.iProduct, + buf, sizeof(buf)) > 0) + snprintf(name + strlen(name), sizeof(name) - strlen(name), + " %s", buf); + + sz->idev = streamzap_init_input_dev(sz); + if (!sz->idev) + goto input_dev_fail; + + sz->idle = true; + sz->decoder_state = PulseSpace; + /* FIXME: don't yet have a way to set this */ + sz->timeout_enabled = true; + #if 0 + /* not yet supported, depends on patches from maxim */ + /* see also: LIRC_GET_REC_RESOLUTION and LIRC_SET_REC_TIMEOUT */ + sz->min_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000; + sz->max_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000; + #endif + + do_gettimeofday(&sz->signal_start); + + /* Complete final initialisations */ + usb_fill_int_urb(sz->urb_in, usbdev, pipe, sz->buf_in, + maxp, (usb_complete_t)streamzap_callback, + sz, sz->endpoint->bInterval); + sz->urb_in->transfer_dma = sz->dma_in; + sz->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + usb_set_intfdata(intf, sz); + + if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) + dev_err(sz->dev, "urb submit failed\n"); + + dev_info(sz->dev, "Registered %s on usb%d:%d\n", name, + usbdev->bus->busnum, usbdev->devnum); + + /* Load the streamzap not-quite-rc5 decoder too */ + load_rc5_sz_decode(); + + return 0; + +input_dev_fail: + usb_free_urb(sz->urb_in); +free_buf_in: + usb_free_coherent(usbdev, maxp, sz->buf_in, sz->dma_in); +free_sz: + kfree(sz); + + return retval; +} + +/** + * streamzap_disconnect + * + * Called by the usb core when the device is removed from the system. + * + * This routine guarantees that the driver will not submit any more urbs + * by clearing dev->usbdev. It is also supposed to terminate any currently + * active urbs. Unfortunately, usb_bulk_msg(), used in streamzap_read(), + * does not provide any way to do this. + */ +static void streamzap_disconnect(struct usb_interface *interface) +{ + struct streamzap_ir *sz = usb_get_intfdata(interface); + struct usb_device *usbdev = interface_to_usbdev(interface); + + usb_set_intfdata(interface, NULL); + + if (!sz) + return; + + sz->usbdev = NULL; + ir_input_unregister(sz->idev); + usb_kill_urb(sz->urb_in); + usb_free_urb(sz->urb_in); + usb_free_coherent(usbdev, sz->buf_in_len, sz->buf_in, sz->dma_in); + + kfree(sz); +} + +static int streamzap_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct streamzap_ir *sz = usb_get_intfdata(intf); + + usb_kill_urb(sz->urb_in); + + return 0; +} + +static int streamzap_resume(struct usb_interface *intf) +{ + struct streamzap_ir *sz = usb_get_intfdata(intf); + + if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) { + dev_err(sz->dev, "Error sumbiting urb\n"); + return -EIO; + } + + return 0; +} + +/** + * streamzap_init + */ +static int __init streamzap_init(void) +{ + int ret; + + /* register this driver with the USB subsystem */ + ret = usb_register(&streamzap_driver); + if (ret < 0) + printk(KERN_ERR DRIVER_NAME ": usb register failed, " + "result = %d\n", ret); + + return ret; +} + +/** + * streamzap_exit + */ +static void __exit streamzap_exit(void) +{ + usb_deregister(&streamzap_driver); +} + + +module_init(streamzap_init); +module_exit(streamzap_exit); + +MODULE_AUTHOR("Jarod Wilson "); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Enable debugging messages"); diff -Naurp linux-2.6.35.x86_64.orig/include/media/rc-map.h linux-2.6.35.x86_64/include/media/rc-map.h --- linux-2.6.35.x86_64.orig/include/media/rc-map.h 2010-08-15 17:50:34.584382568 -0400 +++ linux-2.6.35.x86_64/include/media/rc-map.h 2010-08-16 00:18:02.455993732 -0400 @@ -17,12 +17,13 @@ #define IR_TYPE_RC6 (1 << 2) /* Philips RC6 protocol */ #define IR_TYPE_JVC (1 << 3) /* JVC protocol */ #define IR_TYPE_SONY (1 << 4) /* Sony12/15/20 protocol */ +#define IR_TYPE_RC5_SZ (1 << 5) /* RC5 variant used by Streamzap */ #define IR_TYPE_LIRC (1 << 30) /* Pass raw IR to lirc userspace */ #define IR_TYPE_OTHER (1u << 31) #define IR_TYPE_ALL (IR_TYPE_RC5 | IR_TYPE_NEC | IR_TYPE_RC6 | \ IR_TYPE_JVC | IR_TYPE_SONY | IR_TYPE_LIRC | \ - IR_TYPE_OTHER) + IR_TYPE_RC5_SZ | IR_TYPE_OTHER) struct ir_scancode { u32 scancode; @@ -115,6 +116,7 @@ void rc_map_init(void); #define RC_MAP_RC5_TV "rc-rc5-tv" #define RC_MAP_RC6_MCE "rc-rc6-mce" #define RC_MAP_REAL_AUDIO_220_32_KEYS "rc-real-audio-220-32-keys" +#define RC_MAP_STREAMZAP "rc-streamzap" #define RC_MAP_TBS_NEC "rc-tbs-nec" #define RC_MAP_TERRATEC_CINERGY_XS "rc-terratec-cinergy-xs" #define RC_MAP_TEVII_NEC "rc-tevii-nec"