diff options
| -rw-r--r-- | drivers/media/IR/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/media/IR/Makefile | 1 | ||||
| -rw-r--r-- | drivers/media/IR/ir-core-priv.h | 6 | ||||
| -rw-r--r-- | drivers/media/IR/ir-rc5-sz-decoder.c | 153 | ||||
| -rw-r--r-- | drivers/media/IR/ir-sysfs.c | 1 | ||||
| -rw-r--r-- | drivers/media/IR/keymaps/Makefile | 2 | ||||
| -rw-r--r-- | drivers/media/IR/keymaps/rc-rc5-streamzap.c | 81 | ||||
| -rw-r--r-- | drivers/media/IR/keymaps/rc-streamzap.c | 82 | ||||
| -rw-r--r-- | drivers/media/IR/streamzap.c | 358 | ||||
| -rw-r--r-- | include/media/rc-map.h | 5 |
10 files changed, 352 insertions, 349 deletions
diff --git a/drivers/media/IR/Kconfig b/drivers/media/IR/Kconfig index 490c57cc4cf..152000db352 100644 --- a/drivers/media/IR/Kconfig +++ b/drivers/media/IR/Kconfig @@ -79,6 +79,18 @@ 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. (The Streamzap PC Remote + uses an IR protocol that is almost standard RC-5, but not quite, + as it uses an additional bit). + config IR_LIRC_CODEC tristate "Enable IR to LIRC bridge" depends on IR_CORE diff --git a/drivers/media/IR/Makefile b/drivers/media/IR/Makefile index 53676838fe9..953c6c44330 100644 --- a/drivers/media/IR/Makefile +++ b/drivers/media/IR/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_IR_RC5_DECODER) += ir-rc5-decoder.o obj-$(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 diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h index a85a8c7c905..0ad8ea39b39 100644 --- a/drivers/media/IR/ir-core-priv.h +++ b/drivers/media/IR/ir-core-priv.h @@ -76,6 +76,12 @@ 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 --git a/drivers/media/IR/ir-rc5-sz-decoder.c b/drivers/media/IR/ir-rc5-sz-decoder.c new file mode 100644 index 00000000000..68f11d6acd5 --- /dev/null +++ b/drivers/media/IR/ir-rc5-sz-decoder.c @@ -0,0 +1,153 @@ +/* ir-rc5-sz-decoder.c - handle RC5 Streamzap IR Pulse/Space protocol + * + * Copyright (C) 2010 by Mauro Carvalho Chehab <mchehab@redhat.com> + * Copyright (C) 2010 by Jarod Wilson <jarod@redhat.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 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 <jarod@redhat.com>"); +MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)"); +MODULE_DESCRIPTION("RC5 (streamzap) IR protocol decoder"); diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c index 46d42467f9b..be09d1995b4 100644 --- a/drivers/media/IR/ir-sysfs.c +++ b/drivers/media/IR/ir-sysfs.c @@ -43,6 +43,7 @@ static struct { { IR_TYPE_RC6, "rc-6" }, { IR_TYPE_JVC, "jvc" }, { IR_TYPE_SONY, "sony" }, + { IR_TYPE_RC5_SZ, "rc-5-sz" }, { IR_TYPE_LIRC, "lirc" }, }; diff --git a/drivers/media/IR/keymaps/Makefile b/drivers/media/IR/keymaps/Makefile index 950e5d953c6..c032b9d2e51 100644 --- a/drivers/media/IR/keymaps/Makefile +++ b/drivers/media/IR/keymaps/Makefile @@ -58,10 +58,10 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \ rc-purpletv.o \ rc-pv951.o \ rc-rc5-hauppauge-new.o \ - rc-rc5-streamzap.o \ 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 --git a/drivers/media/IR/keymaps/rc-rc5-streamzap.c b/drivers/media/IR/keymaps/rc-rc5-streamzap.c deleted file mode 100644 index 4c19c58b46d..00000000000 --- a/drivers/media/IR/keymaps/rc-rc5-streamzap.c +++ /dev/null @@ -1,81 +0,0 @@ -/* rc-rc5-streamzap.c - Keytable for Streamzap PC Remote, for use - * with the Streamzap PC Remote IR Receiver. - * - * Copyright (c) 2010 by Jarod Wilson <jarod@redhat.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. - */ - -#include <media/rc-map.h> - -static struct ir_scancode rc5_streamzap[] = { -/* - * FIXME: The Streamzap remote isn't actually true RC-5, it has an extra - * bit in it, which presently throws the in-kernel RC-5 decoder for a loop. - * We either have to enhance the decoder to support it, add a new decoder, - * or just rely on lirc userspace decoding. - */ - { 0x00, KEY_NUMERIC_0 }, - { 0x01, KEY_NUMERIC_1 }, - { 0x02, KEY_NUMERIC_2 }, - { 0x03, KEY_NUMERIC_3 }, - { 0x04, KEY_NUMERIC_4 }, - { 0x05, KEY_NUMERIC_5 }, - { 0x06, KEY_NUMERIC_6 }, - { 0x07, KEY_NUMERIC_7 }, - { 0x08, KEY_NUMERIC_8 }, - { 0x0a, KEY_POWER }, - { 0x0b, KEY_MUTE }, - { 0x0c, KEY_CHANNELUP }, - { 0x0d, KEY_VOLUMEUP }, - { 0x0e, KEY_CHANNELDOWN }, - { 0x0f, KEY_VOLUMEDOWN }, - { 0x10, KEY_UP }, - { 0x11, KEY_LEFT }, - { 0x12, KEY_OK }, - { 0x13, KEY_RIGHT }, - { 0x14, KEY_DOWN }, - { 0x15, KEY_MENU }, - { 0x16, KEY_EXIT }, - { 0x17, KEY_PLAY }, - { 0x18, KEY_PAUSE }, - { 0x19, KEY_STOP }, - { 0x1a, KEY_BACK }, - { 0x1b, KEY_FORWARD }, - { 0x1c, KEY_RECORD }, - { 0x1d, KEY_REWIND }, - { 0x1e, KEY_FASTFORWARD }, - { 0x20, KEY_RED }, - { 0x21, KEY_GREEN }, - { 0x22, KEY_YELLOW }, - { 0x23, KEY_BLUE }, - -}; - -static struct rc_keymap rc5_streamzap_map = { - .map = { - .scan = rc5_streamzap, - .size = ARRAY_SIZE(rc5_streamzap), - .ir_type = IR_TYPE_RC5, - .name = RC_MAP_RC5_STREAMZAP, - } -}; - -static int __init init_rc_map_rc5_streamzap(void) -{ - return ir_register_map(&rc5_streamzap_map); -} - -static void __exit exit_rc_map_rc5_streamzap(void) -{ - ir_unregister_map(&rc5_streamzap_map); -} - -module_init(init_rc_map_rc5_streamzap) -module_exit(exit_rc_map_rc5_streamzap) - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>"); diff --git a/drivers/media/IR/keymaps/rc-streamzap.c b/drivers/media/IR/keymaps/rc-streamzap.c new file mode 100644 index 00000000000..df32013a321 --- /dev/null +++ b/drivers/media/IR/keymaps/rc-streamzap.c @@ -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 <jarod@redhat.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. + */ + +#include <media/rc-map.h> + +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_SZ, + .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 <jarod@redhat.com>"); diff --git a/drivers/media/IR/streamzap.c b/drivers/media/IR/streamzap.c index 058e29fd478..2cf57e64a80 100644 --- a/drivers/media/IR/streamzap.c +++ b/drivers/media/IR/streamzap.c @@ -38,7 +38,7 @@ #include <linux/input.h> #include <media/ir-core.h> -#define DRIVER_VERSION "1.60" +#define DRIVER_VERSION "1.61" #define DRIVER_NAME "streamzap" #define DRIVER_DESC "Streamzap Remote Control driver" @@ -69,6 +69,13 @@ MODULE_DEVICE_TABLE(usb, streamzap_table); /* 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, @@ -81,7 +88,6 @@ struct streamzap_ir { /* ir-core */ struct ir_dev_props *props; - struct ir_raw_event rawir; /* core device info */ struct device *dev; @@ -98,17 +104,6 @@ struct streamzap_ir { dma_addr_t dma_in; unsigned int buf_in_len; - /* timer used to support delay buffering */ - struct timer_list delay_timer; - bool timer_running; - spinlock_t timer_lock; - struct timer_list flush_timer; - bool flush; - - /* delay buffer */ - struct kfifo fifo; - bool fifo_initialized; - /* track what state we're in */ enum StreamzapDecoderState decoder_state; /* tracks whether we are currently receiving some signal */ @@ -118,7 +113,7 @@ struct streamzap_ir { /* start time of signal; necessary for gap tracking */ struct timeval signal_last; struct timeval signal_start; - /* bool timeout_enabled; */ + bool timeout_enabled; char name[128]; char phys[64]; @@ -143,122 +138,16 @@ static struct usb_driver streamzap_driver = { .id_table = streamzap_table, }; -static void streamzap_stop_timer(struct streamzap_ir *sz) -{ - unsigned long flags; - - spin_lock_irqsave(&sz->timer_lock, flags); - if (sz->timer_running) { - sz->timer_running = false; - spin_unlock_irqrestore(&sz->timer_lock, flags); - del_timer_sync(&sz->delay_timer); - } else { - spin_unlock_irqrestore(&sz->timer_lock, flags); - } -} - -static void streamzap_flush_timeout(unsigned long arg) -{ - struct streamzap_ir *sz = (struct streamzap_ir *)arg; - - dev_info(sz->dev, "%s: callback firing\n", __func__); - - /* finally start accepting data */ - sz->flush = false; -} - -static void streamzap_delay_timeout(unsigned long arg) -{ - struct streamzap_ir *sz = (struct streamzap_ir *)arg; - struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; - unsigned long flags; - int len, ret; - static unsigned long delay; - bool wake = false; - - /* deliver data every 10 ms */ - delay = msecs_to_jiffies(10); - - spin_lock_irqsave(&sz->timer_lock, flags); - - if (kfifo_len(&sz->fifo) > 0) { - ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); - if (ret != sizeof(rawir)) - dev_err(sz->dev, "Problem w/kfifo_out...\n"); - ir_raw_event_store(sz->idev, &rawir); - wake = true; - } - - len = kfifo_len(&sz->fifo); - if (len > 0) { - while ((len < SZ_BUF_LEN / 2) && - (len < SZ_BUF_LEN * sizeof(int))) { - ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); - if (ret != sizeof(rawir)) - dev_err(sz->dev, "Problem w/kfifo_out...\n"); - ir_raw_event_store(sz->idev, &rawir); - wake = true; - len = kfifo_len(&sz->fifo); - } - if (sz->timer_running) - mod_timer(&sz->delay_timer, jiffies + delay); - - } else { - sz->timer_running = false; - } - - if (wake) - ir_raw_event_handle(sz->idev); - - spin_unlock_irqrestore(&sz->timer_lock, flags); -} - -static void streamzap_flush_delay_buffer(struct streamzap_ir *sz) +static void sz_push(struct streamzap_ir *sz, struct ir_raw_event rawir) { - struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; - bool wake = false; - int ret; - - while (kfifo_len(&sz->fifo) > 0) { - ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); - if (ret != sizeof(rawir)) - dev_err(sz->dev, "Problem w/kfifo_out...\n"); - ir_raw_event_store(sz->idev, &rawir); - wake = true; - } - - if (wake) - ir_raw_event_handle(sz->idev); -} - -static void sz_push(struct streamzap_ir *sz) -{ - struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; - unsigned long flags; - int ret; - - spin_lock_irqsave(&sz->timer_lock, flags); - if (kfifo_len(&sz->fifo) >= sizeof(int) * SZ_BUF_LEN) { - ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); - if (ret != sizeof(rawir)) - dev_err(sz->dev, "Problem w/kfifo_out...\n"); - ir_raw_event_store(sz->idev, &rawir); - } - - kfifo_in(&sz->fifo, &sz->rawir, sizeof(rawir)); - - if (!sz->timer_running) { - sz->delay_timer.expires = jiffies + (HZ / 10); - add_timer(&sz->delay_timer); - sz->timer_running = true; - } - - spin_unlock_irqrestore(&sz->timer_lock, flags); + 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; @@ -266,33 +155,33 @@ static void sz_push_full_pulse(struct streamzap_ir *sz, do_gettimeofday(&sz->signal_start); deltv = sz->signal_start.tv_sec - sz->signal_last.tv_sec; - sz->rawir.pulse = false; + rawir.pulse = false; if (deltv > 15) { /* really long time */ - sz->rawir.duration = IR_MAX_DURATION; + rawir.duration = IR_MAX_DURATION; } else { - sz->rawir.duration = (int)(deltv * 1000000 + + rawir.duration = (int)(deltv * 1000000 + sz->signal_start.tv_usec - sz->signal_last.tv_usec); - sz->rawir.duration -= sz->sum; - sz->rawir.duration *= 1000; - sz->rawir.duration &= IR_MAX_DURATION; + rawir.duration -= sz->sum; + rawir.duration *= 1000; + rawir.duration &= IR_MAX_DURATION; } - dev_dbg(sz->dev, "ls %u\n", sz->rawir.duration); - sz_push(sz); + dev_dbg(sz->dev, "ls %u\n", rawir.duration); + sz_push(sz, rawir); - sz->idle = 0; + sz->idle = false; sz->sum = 0; } - sz->rawir.pulse = true; - sz->rawir.duration = ((int) value) * STREAMZAP_RESOLUTION; - sz->rawir.duration += STREAMZAP_RESOLUTION / 2; - sz->sum += sz->rawir.duration; - sz->rawir.duration *= 1000; - sz->rawir.duration &= IR_MAX_DURATION; - dev_dbg(sz->dev, "p %u\n", sz->rawir.duration); - sz_push(sz); + 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, @@ -304,13 +193,15 @@ static void sz_push_half_pulse(struct streamzap_ir *sz, static void sz_push_full_space(struct streamzap_ir *sz, unsigned char value) { - sz->rawir.pulse = false; - sz->rawir.duration = ((int) value) * STREAMZAP_RESOLUTION; - sz->rawir.duration += STREAMZAP_RESOLUTION / 2; - sz->sum += sz->rawir.duration; - sz->rawir.duration *= 1000; - dev_dbg(sz->dev, "s %u\n", sz->rawir.duration); - sz_push(sz); + 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, @@ -330,10 +221,8 @@ static void streamzap_callback(struct urb *urb) struct streamzap_ir *sz; unsigned int i; int len; - #if 0 static int timeout = (((STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION) & IR_MAX_DURATION) | 0x03000000); - #endif if (!urb) return; @@ -356,57 +245,53 @@ static void streamzap_callback(struct urb *urb) } dev_dbg(sz->dev, "%s: received urb, len %d\n", __func__, len); - if (!sz->flush) { - for (i = 0; i < urb->actual_length; i++) { - dev_dbg(sz->dev, "%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) { - sz->idle = 1; - streamzap_stop_timer(sz); - #if 0 - if (sz->timeout_enabled) { - sz->rawir.pulse = false; - sz->rawir.duration = timeout; - sz->rawir.duration *= 1000; - sz_push(sz); - } - #endif - streamzap_flush_delay_buffer(sz); - } 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; - } + for (i = 0; i < len; i++) { + dev_dbg(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]); - sz->decoder_state = PulseSpace; - break; } + 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; } } @@ -446,12 +331,11 @@ static struct input_dev *streamzap_init_input_dev(struct streamzap_ir *sz) props->priv = sz; props->driver_type = RC_DRIVER_IR_RAW; - /* FIXME: not sure about supported protocols, check on this */ - props->allowed_protos = IR_TYPE_RC5 | IR_TYPE_RC6; + props->allowed_protos = IR_TYPE_ALL; sz->props = props; - ret = ir_input_register(idev, RC_MAP_RC5_STREAMZAP, props, DRIVER_NAME); + 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; @@ -467,29 +351,6 @@ idev_alloc_failed: return NULL; } -static int streamzap_delay_buf_init(struct streamzap_ir *sz) -{ - int ret; - - ret = kfifo_alloc(&sz->fifo, sizeof(int) * SZ_BUF_LEN, - GFP_KERNEL); - if (ret == 0) - sz->fifo_initialized = 1; - - return ret; -} - -static void streamzap_start_flush_timer(struct streamzap_ir *sz) -{ - sz->flush_timer.expires = jiffies + HZ; - sz->flush = true; - add_timer(&sz->flush_timer); - - sz->urb_in->dev = sz->usbdev; - if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) - dev_err(sz->dev, "urb submit failed\n"); -} - /** * streamzap_probe * @@ -575,35 +436,21 @@ static int __devinit streamzap_probe(struct usb_interface *intf, snprintf(name + strlen(name), sizeof(name) - strlen(name), " %s", buf); - retval = streamzap_delay_buf_init(sz); - if (retval) { - dev_err(&intf->dev, "%s: delay buffer init failed\n", __func__); - goto free_urb_in; - } - 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->timeout_enabled = false; sz->min_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000; sz->max_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000; #endif - init_timer(&sz->delay_timer); - sz->delay_timer.function = streamzap_delay_timeout; - sz->delay_timer.data = (unsigned long)sz; - spin_lock_init(&sz->timer_lock); - - init_timer(&sz->flush_timer); - sz->flush_timer.function = streamzap_flush_timeout; - sz->flush_timer.data = (unsigned long)sz; - do_gettimeofday(&sz->signal_start); /* Complete final initialisations */ @@ -615,16 +462,18 @@ static int __devinit streamzap_probe(struct usb_interface *intf, usb_set_intfdata(intf, sz); - streamzap_start_flush_timer(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: - kfifo_free(&sz->fifo); -free_urb_in: usb_free_urb(sz->urb_in); free_buf_in: usb_free_coherent(usbdev, maxp, sz->buf_in, sz->dma_in); @@ -654,13 +503,6 @@ static void streamzap_disconnect(struct usb_interface *interface) if (!sz) return; - if (sz->flush) { - sz->flush = false; - del_timer_sync(&sz->flush_timer); - } - - streamzap_stop_timer(sz); - sz->usbdev = NULL; ir_input_unregister(sz->idev); usb_kill_urb(sz->urb_in); @@ -674,13 +516,6 @@ static int streamzap_suspend(struct usb_interface *intf, pm_message_t message) { struct streamzap_ir *sz = usb_get_intfdata(intf); - if (sz->flush) { - sz->flush = false; - del_timer_sync(&sz->flush_timer); - } - - streamzap_stop_timer(sz); - usb_kill_urb(sz->urb_in); return 0; @@ -690,13 +525,6 @@ static int streamzap_resume(struct usb_interface *intf) { struct streamzap_ir *sz = usb_get_intfdata(intf); - if (sz->fifo_initialized) - kfifo_reset(&sz->fifo); - - sz->flush_timer.expires = jiffies + HZ; - sz->flush = true; - add_timer(&sz->flush_timer); - if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) { dev_err(sz->dev, "Error sumbiting urb\n"); return -EIO; diff --git a/include/media/rc-map.h b/include/media/rc-map.h index a9c041d4966..6c0324eb491 100644 --- a/include/media/rc-map.h +++ b/include/media/rc-map.h @@ -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; @@ -114,10 +115,10 @@ void rc_map_init(void); #define RC_MAP_PURPLETV "rc-purpletv" #define RC_MAP_PV951 "rc-pv951" #define RC_MAP_RC5_HAUPPAUGE_NEW "rc-rc5-hauppauge-new" -#define RC_MAP_RC5_STREAMZAP "rc-rc5-streamzap" #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" |