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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 15:09:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 15:09:54 -0700
commit7ae0dea900b027cd90e8a3e14deca9a19e17638b (patch)
tree428cbe411bba90f6580ae21338276c949e91f23a /drivers/staging
parent6c74700fdb8e3bc34c31790384a8ec16c4fefd97 (diff)
parent560afa7d85bdfb294506afd3032c315e6827824f (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (94 commits) V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register V4L/DVB: dvb: siano: free spinlock before schedule() V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin() V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin() V4L/DVB: Report supported QAM modes on bt8xx V4L/DVB: media: ir-keytable: null dereference in debug code V4L/DVB: ivtv: convert to the new control framework V4L/DVB: ivtv: convert gpio subdev to new control framework V4L/DVB: wm8739: convert to the new control framework V4L/DVB: cs53l32a: convert to new control framework V4L/DVB: wm8775: convert to the new control framework V4L/DVB: cx2341x: convert to the control framework V4L/DVB: cx25840: convert to the new control framework V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config V4L/DVB: saa717x: convert to the new control framework V4L/DVB: msp3400: convert to the new control framework V4L/DVB: saa7115: convert to the new control framework V4L/DVB: v4l2: hook up the new control framework into the core framework V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API V4L/DVB: v4l2-ctrls: Whitespace cleanups ...
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/lirc/Kconfig29
-rw-r--r--drivers/staging/lirc/Makefile2
-rw-r--r--drivers/staging/lirc/lirc_ene0100.c646
-rw-r--r--drivers/staging/lirc/lirc_it87.c9
-rw-r--r--drivers/staging/lirc/lirc_parallel.c4
-rw-r--r--drivers/staging/lirc/lirc_streamzap.c821
6 files changed, 16 insertions, 1495 deletions
diff --git a/drivers/staging/lirc/Kconfig b/drivers/staging/lirc/Kconfig
index 968c2adee06..100c4d4b812 100644
--- a/drivers/staging/lirc/Kconfig
+++ b/drivers/staging/lirc/Kconfig
@@ -3,6 +3,7 @@
#
menuconfig LIRC_STAGING
bool "Linux Infrared Remote Control IR receiver/transmitter drivers"
+ depends on LIRC
help
Say Y here, and all supported Linux Infrared Remote Control IR and
RF receiver and transmitter drivers will be displayed. When paired
@@ -13,21 +14,13 @@ if LIRC_STAGING
config LIRC_BT829
tristate "BT829 based hardware"
- depends on LIRC_STAGING
+ depends on LIRC_STAGING && PCI
help
Driver for the IR interface on BT829-based hardware
-config LIRC_ENE0100
- tristate "ENE KB3924/ENE0100 CIR Port Reciever"
- depends on LIRC_STAGING
- help
- This is a driver for CIR port handled by ENE KB3924 embedded
- controller found on some notebooks.
- It appears on PNP list as ENE0100.
-
config LIRC_I2C
tristate "I2C Based IR Receivers"
- depends on LIRC_STAGING
+ depends on LIRC_STAGING && I2C
help
Driver for I2C-based IR receivers, such as those commonly
found onboard Hauppauge PVR-150/250/350 video capture cards
@@ -40,7 +33,7 @@ config LIRC_IGORPLUGUSB
config LIRC_IMON
tristate "Legacy SoundGraph iMON Receiver and Display"
- depends on LIRC_STAGING
+ depends on LIRC_STAGING && USB
help
Driver for the original SoundGraph iMON IR Receiver and Display
@@ -48,7 +41,7 @@ config LIRC_IMON
config LIRC_IT87
tristate "ITE IT87XX CIR Port Receiver"
- depends on LIRC_STAGING
+ depends on LIRC_STAGING && PNP
help
Driver for the ITE IT87xx IR Receiver
@@ -60,13 +53,13 @@ config LIRC_ITE8709
config LIRC_PARALLEL
tristate "Homebrew Parallel Port Receiver"
- depends on LIRC_STAGING && !SMP
+ depends on LIRC_STAGING && PARPORT && !SMP
help
Driver for Homebrew Parallel Port Receivers
config LIRC_SASEM
tristate "Sasem USB IR Remote"
- depends on LIRC_STAGING
+ depends on LIRC_STAGING && USB
help
Driver for the Sasem OnAir Remocon-V or Dign HV5 HTPC IR/VFD Module
@@ -89,12 +82,6 @@ config LIRC_SIR
help
Driver for the SIR IrDA port
-config LIRC_STREAMZAP
- tristate "Streamzap PC Receiver"
- depends on LIRC_STAGING
- help
- Driver for the Streamzap PC Receiver
-
config LIRC_TTUSBIR
tristate "Technotrend USB IR Receiver"
depends on LIRC_STAGING && USB
@@ -103,7 +90,7 @@ config LIRC_TTUSBIR
config LIRC_ZILOG
tristate "Zilog/Hauppauge IR Transmitter"
- depends on LIRC_STAGING
+ depends on LIRC_STAGING && I2C
help
Driver for the Zilog/Hauppauge IR Transmitter, found on
PVR-150/500, HVR-1200/1250/1700/1800, HD-PVR and other cards
diff --git a/drivers/staging/lirc/Makefile b/drivers/staging/lirc/Makefile
index a019182a7a3..4da1f3397a1 100644
--- a/drivers/staging/lirc/Makefile
+++ b/drivers/staging/lirc/Makefile
@@ -4,7 +4,6 @@
# Each configuration option enables a list of files.
obj-$(CONFIG_LIRC_BT829) += lirc_bt829.o
-obj-$(CONFIG_LIRC_ENE0100) += lirc_ene0100.o
obj-$(CONFIG_LIRC_I2C) += lirc_i2c.o
obj-$(CONFIG_LIRC_IGORPLUGUSB) += lirc_igorplugusb.o
obj-$(CONFIG_LIRC_IMON) += lirc_imon.o
@@ -14,6 +13,5 @@ obj-$(CONFIG_LIRC_PARALLEL) += lirc_parallel.o
obj-$(CONFIG_LIRC_SASEM) += lirc_sasem.o
obj-$(CONFIG_LIRC_SERIAL) += lirc_serial.o
obj-$(CONFIG_LIRC_SIR) += lirc_sir.o
-obj-$(CONFIG_LIRC_STREAMZAP) += lirc_streamzap.o
obj-$(CONFIG_LIRC_TTUSBIR) += lirc_ttusbir.o
obj-$(CONFIG_LIRC_ZILOG) += lirc_zilog.o
diff --git a/drivers/staging/lirc/lirc_ene0100.c b/drivers/staging/lirc/lirc_ene0100.c
deleted file mode 100644
index a152c52b074..00000000000
--- a/drivers/staging/lirc/lirc_ene0100.c
+++ /dev/null
@@ -1,646 +0,0 @@
-/*
- * driver for ENE KB3926 B/C/D CIR (also known as ENE0100)
- *
- * Copyright (C) 2009 Maxim Levitsky <maximlevitsky@gmail.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 <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/pnp.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include "lirc_ene0100.h"
-
-static int sample_period = 75;
-static int enable_idle = 1;
-static int enable_learning;
-
-static void ene_set_idle(struct ene_device *dev, int idle);
-static void ene_set_inputs(struct ene_device *dev, int enable);
-
-/* read a hardware register */
-static u8 ene_hw_read_reg(struct ene_device *dev, u16 reg)
-{
- outb(reg >> 8, dev->hw_io + ENE_ADDR_HI);
- outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO);
- return inb(dev->hw_io + ENE_IO);
-}
-
-/* write a hardware register */
-static void ene_hw_write_reg(struct ene_device *dev, u16 reg, u8 value)
-{
- outb(reg >> 8, dev->hw_io + ENE_ADDR_HI);
- outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO);
- outb(value, dev->hw_io + ENE_IO);
-}
-
-/* change specific bits in hardware register */
-static void ene_hw_write_reg_mask(struct ene_device *dev,
- u16 reg, u8 value, u8 mask)
-{
- u8 regvalue;
-
- outb(reg >> 8, dev->hw_io + ENE_ADDR_HI);
- outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO);
-
- regvalue = inb(dev->hw_io + ENE_IO) & ~mask;
- regvalue |= (value & mask);
- outb(regvalue, dev->hw_io + ENE_IO);
-}
-
-/* read irq status and ack it */
-static int ene_hw_irq_status(struct ene_device *dev, int *buffer_pointer)
-{
- u8 irq_status;
- u8 fw_flags1, fw_flags2;
-
- fw_flags2 = ene_hw_read_reg(dev, ENE_FW2);
-
- if (buffer_pointer)
- *buffer_pointer = 4 * (fw_flags2 & ENE_FW2_BUF_HIGH);
-
- if (dev->hw_revision < ENE_HW_C) {
- irq_status = ene_hw_read_reg(dev, ENEB_IRQ_STATUS);
-
- if (!(irq_status & ENEB_IRQ_STATUS_IR))
- return 0;
- ene_hw_write_reg(dev, ENEB_IRQ_STATUS,
- irq_status & ~ENEB_IRQ_STATUS_IR);
-
- /* rev B support only recieving */
- return ENE_IRQ_RX;
- }
-
- irq_status = ene_hw_read_reg(dev, ENEC_IRQ);
-
- if (!(irq_status & ENEC_IRQ_STATUS))
- return 0;
-
- /* original driver does that twice - a workaround ? */
- ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS);
- ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS);
-
- /* clear unknown flag in F8F9 */
- if (fw_flags2 & ENE_FW2_IRQ_CLR)
- ene_hw_write_reg(dev, ENE_FW2, fw_flags2 & ~ENE_FW2_IRQ_CLR);
-
- /* check if this is a TX interrupt */
- fw_flags1 = ene_hw_read_reg(dev, ENE_FW1);
-
- if (fw_flags1 & ENE_FW1_TXIRQ) {
- ene_hw_write_reg(dev, ENE_FW1, fw_flags1 & ~ENE_FW1_TXIRQ);
- return ENE_IRQ_TX;
- } else
- return ENE_IRQ_RX;
-}
-
-static int ene_hw_detect(struct ene_device *dev)
-{
- u8 chip_major, chip_minor;
- u8 hw_revision, old_ver;
- u8 tmp;
- u8 fw_capabilities;
-
- tmp = ene_hw_read_reg(dev, ENE_HW_UNK);
- ene_hw_write_reg(dev, ENE_HW_UNK, tmp & ~ENE_HW_UNK_CLR);
-
- chip_major = ene_hw_read_reg(dev, ENE_HW_VER_MAJOR);
- chip_minor = ene_hw_read_reg(dev, ENE_HW_VER_MINOR);
-
- ene_hw_write_reg(dev, ENE_HW_UNK, tmp);
- hw_revision = ene_hw_read_reg(dev, ENE_HW_VERSION);
- old_ver = ene_hw_read_reg(dev, ENE_HW_VER_OLD);
-
- if (hw_revision == 0xFF) {
-
- ene_printk(KERN_WARNING, "device seems to be disabled\n");
- ene_printk(KERN_WARNING,
- "send a mail to lirc-list@lists.sourceforge.net\n");
- ene_printk(KERN_WARNING, "please attach output of acpidump\n");
-
- return -ENODEV;
- }
-
- if (chip_major == 0x33) {
- ene_printk(KERN_WARNING, "chips 0x33xx aren't supported yet\n");
- return -ENODEV;
- }
-
- if (chip_major == 0x39 && chip_minor == 0x26 && hw_revision == 0xC0) {
- dev->hw_revision = ENE_HW_C;
- ene_printk(KERN_WARNING,
- "KB3926C detected, driver support is not complete!\n");
-
- } else if (old_ver == 0x24 && hw_revision == 0xC0) {
- dev->hw_revision = ENE_HW_B;
- ene_printk(KERN_NOTICE, "KB3926B detected\n");
- } else {
- dev->hw_revision = ENE_HW_D;
- ene_printk(KERN_WARNING,
- "unknown ENE chip detected, assuming KB3926D\n");
- ene_printk(KERN_WARNING, "driver support incomplete");
-
- }
-
- ene_printk(KERN_DEBUG, "chip is 0x%02x%02x - 0x%02x, 0x%02x\n",
- chip_major, chip_minor, old_ver, hw_revision);
-
-
- /* detect features hardware supports */
-
- if (dev->hw_revision < ENE_HW_C)
- return 0;
-
- fw_capabilities = ene_hw_read_reg(dev, ENE_FW2);
-
- dev->hw_gpio40_learning = fw_capabilities & ENE_FW2_GP40_AS_LEARN;
- dev->hw_learning_and_tx_capable = fw_capabilities & ENE_FW2_LEARNING;
-
- dev->hw_fan_as_normal_input = dev->hw_learning_and_tx_capable &&
- fw_capabilities & ENE_FW2_FAN_AS_NRML_IN;
-
- ene_printk(KERN_NOTICE, "hardware features:\n");
- ene_printk(KERN_NOTICE,
- "learning and tx %s, gpio40_learn %s, fan_in %s\n",
- dev->hw_learning_and_tx_capable ? "on" : "off",
- dev->hw_gpio40_learning ? "on" : "off",
- dev->hw_fan_as_normal_input ? "on" : "off");
-
- if (!dev->hw_learning_and_tx_capable && enable_learning)
- enable_learning = 0;
-
- if (dev->hw_learning_and_tx_capable) {
- ene_printk(KERN_WARNING,
- "Device supports transmitting, but the driver doesn't\n");
- ene_printk(KERN_WARNING,
- "due to lack of hardware to test against.\n");
- ene_printk(KERN_WARNING,
- "Send a mail to: lirc-list@lists.sourceforge.net\n");
- }
- return 0;
-}
-
-/* hardware initialization */
-static int ene_hw_init(void *data)
-{
- u8 reg_value;
- struct ene_device *dev = (struct ene_device *)data;
- dev->in_use = 1;
-
- if (dev->hw_revision < ENE_HW_C) {
- ene_hw_write_reg(dev, ENEB_IRQ, dev->irq << 1);
- ene_hw_write_reg(dev, ENEB_IRQ_UNK1, 0x01);
- } else {
- reg_value = ene_hw_read_reg(dev, ENEC_IRQ) & 0xF0;
- reg_value |= ENEC_IRQ_UNK_EN;
- reg_value &= ~ENEC_IRQ_STATUS;
- reg_value |= (dev->irq & ENEC_IRQ_MASK);
- ene_hw_write_reg(dev, ENEC_IRQ, reg_value);
- ene_hw_write_reg(dev, ENE_TX_UNK1, 0x63);
- }
-
- ene_hw_write_reg(dev, ENE_CIR_CONF2, 0x00);
- ene_set_inputs(dev, enable_learning);
-
- /* set sampling period */
- ene_hw_write_reg(dev, ENE_CIR_SAMPLE_PERIOD, sample_period);
-
- /* ack any pending irqs - just in case */
- ene_hw_irq_status(dev, NULL);
-
- /* enter idle mode */
- ene_set_idle(dev, 1);
-
- /* enable firmware bits */
- ene_hw_write_reg_mask(dev, ENE_FW1,
- ENE_FW1_ENABLE | ENE_FW1_IRQ,
- ENE_FW1_ENABLE | ENE_FW1_IRQ);
- /* clear stats */
- dev->sample = 0;
- return 0;
-}
-
-/* this enables gpio40 signal, used if connected to wide band input*/
-static void ene_enable_gpio40(struct ene_device *dev, int enable)
-{
- ene_hw_write_reg_mask(dev, ENE_CIR_CONF1, enable ?
- 0 : ENE_CIR_CONF2_GPIO40DIS,
- ENE_CIR_CONF2_GPIO40DIS);
-}
-
-/* this enables the classic sampler */
-static void ene_enable_normal_recieve(struct ene_device *dev, int enable)
-{
- ene_hw_write_reg(dev, ENE_CIR_CONF1, enable ? ENE_CIR_CONF1_ADC_ON : 0);
-}
-
-/* this enables recieve via fan input */
-static void ene_enable_fan_recieve(struct ene_device *dev, int enable)
-{
- if (!enable)
- ene_hw_write_reg(dev, ENE_FAN_AS_IN1, 0);
- else {
- ene_hw_write_reg(dev, ENE_FAN_AS_IN1, ENE_FAN_AS_IN1_EN);
- ene_hw_write_reg(dev, ENE_FAN_AS_IN2, ENE_FAN_AS_IN2_EN);
- }
- dev->fan_input_inuse = enable;
-}
-
-/* determine which input to use*/
-static void ene_set_inputs(struct ene_device *dev, int learning_enable)
-{
- ene_enable_normal_recieve(dev, 1);
-
- /* old hardware doesn't support learning mode for sure */
- if (dev->hw_revision <= ENE_HW_B)
- return;
-
- /* reciever not learning capable, still set gpio40 correctly */
- if (!dev->hw_learning_and_tx_capable) {
- ene_enable_gpio40(dev, !dev->hw_gpio40_learning);
- return;
- }
-
- /* enable learning mode */
- if (learning_enable) {
- ene_enable_gpio40(dev, dev->hw_gpio40_learning);
-
- /* fan input is not used for learning */
- if (dev->hw_fan_as_normal_input)
- ene_enable_fan_recieve(dev, 0);
-
- /* disable learning mode */
- } else {
- if (dev->hw_fan_as_normal_input) {
- ene_enable_fan_recieve(dev, 1);
- ene_enable_normal_recieve(dev, 0);
- } else
- ene_enable_gpio40(dev, !dev->hw_gpio40_learning);
- }
-
- /* set few additional settings for this mode */
- ene_hw_write_reg_mask(dev, ENE_CIR_CONF1, learning_enable ?
- ENE_CIR_CONF1_LEARN1 : 0, ENE_CIR_CONF1_LEARN1);
-
- ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, learning_enable ?
- ENE_CIR_CONF2_LEARN2 : 0, ENE_CIR_CONF2_LEARN2);
-}
-
-/* deinitialization */
-static void ene_hw_deinit(void *data)
-{
- struct ene_device *dev = (struct ene_device *)data;
-
- /* disable samplers */
- ene_enable_normal_recieve(dev, 0);
-
- if (dev->hw_fan_as_normal_input)
- ene_enable_fan_recieve(dev, 0);
-
- /* disable hardware IRQ and firmware flag */
- ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_ENABLE | ENE_FW1_IRQ);
-
- ene_set_idle(dev, 1);
- dev->in_use = 0;
-}
-
-/* sends current sample to userspace */
-static void send_sample(struct ene_device *dev)
-{
- int value = abs(dev->sample) & PULSE_MASK;
-
- if (dev->sample > 0)
- value |= PULSE_BIT;
-
- if (!lirc_buffer_full(dev->lirc_driver->rbuf)) {
- lirc_buffer_write(dev->lirc_driver->rbuf, (void *)&value);
- wake_up(&dev->lirc_driver->rbuf->wait_poll);
- }
- dev->sample = 0;
-}
-
-/* this updates current sample */
-static void update_sample(struct ene_device *dev, int sample)
-{
- if (!dev->sample)
- dev->sample = sample;
- else if (same_sign(dev->sample, sample))
- dev->sample += sample;
- else {
- send_sample(dev);
- dev->sample = sample;
- }
-}
-
-/* enable or disable idle mode */
-static void ene_set_idle(struct ene_device *dev, int idle)
-{
- struct timeval now;
- int disable = idle && enable_idle && (dev->hw_revision < ENE_HW_C);
-
- ene_hw_write_reg_mask(dev, ENE_CIR_SAMPLE_PERIOD,
- disable ? 0 : ENE_CIR_SAMPLE_OVERFLOW,
- ENE_CIR_SAMPLE_OVERFLOW);
- dev->idle = idle;
-
- /* remember when we have entered the idle mode */
- if (idle) {
- do_gettimeofday(&dev->gap_start);
- return;
- }
-
- /* send the gap between keypresses now */
- do_gettimeofday(&now);
-
- if (now.tv_sec - dev->gap_start.tv_sec > 16)
- dev->sample = space(PULSE_MASK);
- else
- dev->sample = dev->sample +
- space(1000000ull * (now.tv_sec - dev->gap_start.tv_sec))
- + space(now.tv_usec - dev->gap_start.tv_usec);
-
- if (abs(dev->sample) > PULSE_MASK)
- dev->sample = space(PULSE_MASK);
- send_sample(dev);
-}
-
-/* interrupt handler */
-static irqreturn_t ene_hw_irq(int irq, void *data)
-{
- u16 hw_value;
- int i, hw_sample;
- int space;
- int buffer_pointer;
- int irq_status;
-
- struct ene_device *dev = (struct ene_device *)data;
- irq_status = ene_hw_irq_status(dev, &buffer_pointer);
-
- if (!irq_status)
- return IRQ_NONE;
-
- /* TODO: only RX for now */
- if (irq_status == ENE_IRQ_TX)
- return IRQ_HANDLED;
-
- for (i = 0; i < ENE_SAMPLES_SIZE; i++) {
-
- hw_value = ene_hw_read_reg(dev,
- ENE_SAMPLE_BUFFER + buffer_pointer + i);
-
- if (dev->fan_input_inuse) {
- /* read high part of the sample */
- hw_value |= ene_hw_read_reg(dev,
- ENE_SAMPLE_BUFFER_FAN + buffer_pointer + i) << 8;
-
- /* test for _space_ bit */
- space = !(hw_value & ENE_FAN_SMPL_PULS_MSK);
-
- /* clear space bit, and other unused bits */
- hw_value &= ENE_FAN_VALUE_MASK;
- hw_sample = hw_value * ENE_SAMPLE_PERIOD_FAN;
-
- } else {
- space = hw_value & ENE_SAMPLE_SPC_MASK;
- hw_value &= ENE_SAMPLE_VALUE_MASK;
- hw_sample = hw_value * sample_period;
- }
-
- /* no more data */
- if (!(hw_value))
- break;
-
- if (space)
- hw_sample *= -1;
-
- /* overflow sample recieved, handle it */
-
- if (!dev->fan_input_inuse && hw_value == ENE_SAMPLE_OVERFLOW) {
-
- if (dev->idle)
- continue;
-
- if (dev->sample > 0 || abs(dev->sample) <= ENE_MAXGAP)
- update_sample(dev, hw_sample);
- else
- ene_set_idle(dev, 1);
-
- continue;
- }
-
- /* normal first sample recieved */
- if (!dev->fan_input_inuse && dev->idle) {
- ene_set_idle(dev, 0);
-
- /* discard first recieved value, its random
- since its the time signal was off before
- first pulse if idle mode is enabled, HW
- does that for us */
-
- if (!enable_idle)
- continue;
- }
- update_sample(dev, hw_sample);
- send_sample(dev);
- }
- return IRQ_HANDLED;
-}
-
-static int ene_probe(struct pnp_dev *pnp_dev,
- const struct pnp_device_id *dev_id)
-{
- struct ene_device *dev;
- struct lirc_driver *lirc_driver;
- int error = -ENOMEM;
-
- dev = kzalloc(sizeof(struct ene_device), GFP_KERNEL);
-
- if (!dev)
- goto err1;
-
- dev->pnp_dev = pnp_dev;
- pnp_set_drvdata(pnp_dev, dev);
-
-
- /* prepare lirc interface */
- error = -ENOMEM;
- lirc_driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL);
-
- if (!lirc_driver)
- goto err2;
-
- dev->lirc_driver = lirc_driver;
-
- strcpy(lirc_driver->name, ENE_DRIVER_NAME);
- lirc_driver->minor = -1;
- lirc_driver->code_length = sizeof(int) * 8;
- lirc_driver->features = LIRC_CAN_REC_MODE2;
- lirc_driver->data = dev;
- lirc_driver->set_use_inc = ene_hw_init;
- lirc_driver->set_use_dec = ene_hw_deinit;
- lirc_driver->dev = &pnp_dev->dev;
- lirc_driver->owner = THIS_MODULE;
-
- lirc_driver->rbuf = kzalloc(sizeof(struct lirc_buffer), GFP_KERNEL);
-
- if (!lirc_driver->rbuf)
- goto err3;
-
- if (lirc_buffer_init(lirc_driver->rbuf, sizeof(int), sizeof(int) * 256))
- goto err4;
-
- error = -ENODEV;
- if (lirc_register_driver(lirc_driver))
- goto err5;
-
- /* validate resources */
- if (!pnp_port_valid(pnp_dev, 0) ||
- pnp_port_len(pnp_dev, 0) < ENE_MAX_IO)
- goto err6;
-
- if (!pnp_irq_valid(pnp_dev, 0))
- goto err6;
-
- dev->hw_io = pnp_port_start(pnp_dev, 0);
- dev->irq = pnp_irq(pnp_dev, 0);
-
- /* claim the resources */
- error = -EBUSY;
- if (!request_region(dev->hw_io, ENE_MAX_IO, ENE_DRIVER_NAME))
- goto err6;
-
- if (request_irq(dev->irq, ene_hw_irq,
- IRQF_SHARED, ENE_DRIVER_NAME, (void *)dev))
- goto err7;
-
- /* detect hardware version and features */
- error = ene_hw_detect(dev);
- if (error)
- goto err8;
-
- ene_printk(KERN_NOTICE, "driver has been succesfully loaded\n");
- return 0;
-
-err8:
- free_irq(dev->irq, dev);
-err7:
- release_region(dev->hw_io, ENE_MAX_IO);
-err6:
- lirc_unregister_driver(lirc_driver->minor);
-err5:
- lirc_buffer_free(lirc_driver->rbuf);
-err4:
- kfree(lirc_driver->rbuf);
-err3:
- kfree(lirc_driver);
-err2:
- kfree(dev);
-err1:
- return error;
-}
-
-static void ene_remove(struct pnp_dev *pnp_dev)
-{
- struct ene_device *dev = pnp_get_drvdata(pnp_dev);
- ene_hw_deinit(dev);
- free_irq(dev->irq, dev);
- release_region(dev->hw_io, ENE_MAX_IO);
- lirc_unregister_driver(dev->lirc_driver->minor);
- lirc_buffer_free(dev->lirc_driver->rbuf);
- kfree(dev->lirc_driver);
- kfree(dev);
-}
-
-#ifdef CONFIG_PM
-
-/* TODO: make 'wake on IR' configurable and add .shutdown */
-/* currently impossible due to lack of kernel support */
-
-static int ene_suspend(struct pnp_dev *pnp_dev, pm_message_t state)
-{
- struct ene_device *dev = pnp_get_drvdata(pnp_dev);
- ene_hw_write_reg_mask(dev, ENE_FW1, ENE_FW1_WAKE, ENE_FW1_WAKE);
- return 0;
-}
-
-static int ene_resume(struct pnp_dev *pnp_dev)
-{
- struct ene_device *dev = pnp_get_drvdata(pnp_dev);
- if (dev->in_use)
- ene_hw_init(dev);
-
- ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_WAKE);
- return 0;
-}
-
-#endif
-
-static const struct pnp_device_id ene_ids[] = {
- {.id = "ENE0100",},
- {},
-};
-
-static struct pnp_driver ene_driver = {
- .name = ENE_DRIVER_NAME,
- .id_table = ene_ids,
- .flags = PNP_DRIVER_RES_DO_NOT_CHANGE,
-
- .probe = ene_probe,
- .remove = __devexit_p(ene_remove),
-
-#ifdef CONFIG_PM
- .suspend = ene_suspend,
- .resume = ene_resume,
-#endif
-};
-
-static int __init ene_init(void)
-{
- if (sample_period < 5) {
- ene_printk(KERN_ERR, "sample period must be at\n");
- ene_printk(KERN_ERR, "least 5 us, (at least 30 recommended)\n");
- return -EINVAL;
- }
- return pnp_register_driver(&ene_driver);
-}
-
-static void ene_exit(void)
-{
- pnp_unregister_driver(&ene_driver);
-}
-
-module_param(sample_period, int, S_IRUGO);
-MODULE_PARM_DESC(sample_period, "Hardware sample period (75 us default)");
-
-module_param(enable_idle, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(enable_idle,
- "Enables turning off signal sampling after long inactivity time; "
- "if disabled might help detecting input signal (default: enabled)");
-
-module_param(enable_learning, bool, S_IRUGO);
-MODULE_PARM_DESC(enable_learning, "Use wide band (learning) reciever");
-
-MODULE_DEVICE_TABLE(pnp, ene_ids);
-MODULE_DESCRIPTION
- ("LIRC driver for KB3926B/KB3926C/KB3926D (aka ENE0100) CIR port");
-MODULE_AUTHOR("Maxim Levitsky");
-MODULE_LICENSE("GPL");
-
-module_init(ene_init);
-module_exit(ene_exit);
diff --git a/drivers/staging/lirc/lirc_it87.c b/drivers/staging/lirc/lirc_it87.c
index 09f36961c6d..ec11c0e949a 100644
--- a/drivers/staging/lirc/lirc_it87.c
+++ b/drivers/staging/lirc/lirc_it87.c
@@ -109,6 +109,7 @@ static DECLARE_WAIT_QUEUE_HEAD(lirc_read_queue);
static DEFINE_SPINLOCK(hardware_lock);
static DEFINE_SPINLOCK(dev_lock);
+static bool device_open;
static int rx_buf[RBUF_LEN];
unsigned int rx_tail, rx_head;
@@ -147,10 +148,11 @@ static void drop_port(void);
static int lirc_open(struct inode *inode, struct file *file)
{
spin_lock(&dev_lock);
- if (module_refcount(THIS_MODULE)) {
+ if (device_open) {
spin_unlock(&dev_lock);
return -EBUSY;
}
+ device_open = true;
spin_unlock(&dev_lock);
return 0;
}
@@ -158,6 +160,9 @@ static int lirc_open(struct inode *inode, struct file *file)
static int lirc_close(struct inode *inode, struct file *file)
{
+ spin_lock(&dev_lock);
+ device_open = false;
+ spin_unlock(&dev_lock);
return 0;
}
@@ -363,7 +368,6 @@ static struct lirc_driver driver = {
};
-#ifdef MODULE
static int init_chrdev(void)
{
driver.minor = lirc_register_driver(&driver);
@@ -380,7 +384,6 @@ static void drop_chrdev(void)
{
lirc_unregister_driver(driver.minor);
}
-#endif
/* SECTION: Hardware */
diff --git a/drivers/staging/lirc/lirc_parallel.c b/drivers/staging/lirc/lirc_parallel.c
index a1ebd071640..6da4a8c6ebc 100644
--- a/drivers/staging/lirc/lirc_parallel.c
+++ b/drivers/staging/lirc/lirc_parallel.c
@@ -240,7 +240,7 @@ static void irq_handler(void *blah)
unsigned int level, newlevel;
unsigned int timeout;
- if (!module_refcount(THIS_MODULE))
+ if (!is_open)
return;
if (!is_claimed)
@@ -515,7 +515,7 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
static int lirc_open(struct inode *node, struct file *filep)
{
- if (module_refcount(THIS_MODULE) || !lirc_claim())
+ if (is_open || !lirc_claim())
return -EBUSY;
parport_enable_irq(pport);
diff --git a/drivers/staging/lirc/lirc_streamzap.c b/drivers/staging/lirc/lirc_streamzap.c
deleted file mode 100644
index be09c103f0c..00000000000
--- a/drivers/staging/lirc/lirc_streamzap.c
+++ /dev/null
@@ -1,821 +0,0 @@
-/*
- * Streamzap Remote Control driver
- *
- * Copyright (c) 2005 Christoph Bartelmus <lirc@bartelmus.de>
- *
- * 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.
- *
- * 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 <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/smp_lock.h>
-#include <linux/completion.h>
-#include <linux/uaccess.h>
-#include <linux/usb.h>
-
-#include <media/lirc.h>
-#include <media/lirc_dev.h>
-
-#define DRIVER_VERSION "1.28"
-#define DRIVER_NAME "lirc_streamzap"
-#define DRIVER_DESC "Streamzap Remote Control driver"
-
-static int debug;
-
-#define USB_STREAMZAP_VENDOR_ID 0x0e9c
-#define USB_STREAMZAP_PRODUCT_ID 0x0000
-
-/* Use our own dbg macro */
-#define dprintk(fmt, args...) \
- do { \
- if (debug) \
- printk(KERN_DEBUG DRIVER_NAME "[%d]: " \
- fmt "\n", ## args); \
- } while (0)
-
-/* 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 STREAMZAP_BUF_LEN 128
-
-enum StreamzapDecoderState {
- PulseSpace,
- FullPulse,
- FullSpace,
- IgnorePulse
-};
-
-/* Structure to hold all of our device specific stuff
- *
- * some remarks regarding locking:
- * theoretically this struct can be accessed from three threads:
- *
- * - from lirc_dev through set_use_inc/set_use_dec
- *
- * - from the USB layer throuh probe/disconnect/irq
- *
- * Careful placement of lirc_register_driver/lirc_unregister_driver
- * calls will prevent conflicts. lirc_dev makes sure that
- * set_use_inc/set_use_dec are not being executed and will not be
- * called after lirc_unregister_driver returns.
- *
- * - by the timer callback
- *
- * The timer is only running when the device is connected and the
- * LIRC device is open. Making sure the timer is deleted by
- * set_use_dec will make conflicts impossible.
- */
-struct usb_streamzap {
-
- /* usb */
- /* save off the usb device pointer */
- struct usb_device *udev;
- /* the interface for this device */
- struct usb_interface *interface;
-
- /* buffer & dma */
- unsigned char *buf_in;
- dma_addr_t dma_in;
- unsigned int buf_in_len;
-
- struct usb_endpoint_descriptor *endpoint;
-
- /* IRQ */
- struct urb *urb_in;
-
- /* lirc */
- struct lirc_driver *driver;
- struct lirc_buffer *delay_buf;
-
- /* timer used to support delay buffering */
- struct timer_list delay_timer;
- int timer_running;
- spinlock_t timer_lock;
-
- /* tracks whether we are currently receiving some signal */
- int 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;
- enum StreamzapDecoderState decoder_state;
- struct timer_list flush_timer;
- int flush;
- int in_use;
- int timeout_enabled;
-};
-
-
-/* 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 usb_streamzap_irq(struct urb *urb);
-static int streamzap_use_inc(void *data);
-static void streamzap_use_dec(void *data);
-static long streamzap_ioctl(struct file *filep, unsigned int cmd,
- unsigned long arg);
-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 stop_timer(struct usb_streamzap *sz)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&sz->timer_lock, flags);
- if (sz->timer_running) {
- sz->timer_running = 0;
- spin_unlock_irqrestore(&sz->timer_lock, flags);
- del_timer_sync(&sz->delay_timer);
- } else {
- spin_unlock_irqrestore(&sz->timer_lock, flags);
- }
-}
-
-static void flush_timeout(unsigned long arg)
-{
- struct usb_streamzap *sz = (struct usb_streamzap *) arg;
-
- /* finally start accepting data */
- sz->flush = 0;
-}
-static void delay_timeout(unsigned long arg)
-{
- unsigned long flags;
- /* deliver data every 10 ms */
- static unsigned long timer_inc =
- (10000/(1000000/HZ)) == 0 ? 1 : (10000/(1000000/HZ));
- struct usb_streamzap *sz = (struct usb_streamzap *) arg;
- int data;
-
- spin_lock_irqsave(&sz->timer_lock, flags);
-
- if (!lirc_buffer_empty(sz->delay_buf) &&
- !lirc_buffer_full(sz->driver->rbuf)) {
- lirc_buffer_read(sz->delay_buf, (unsigned char *) &data);
- lirc_buffer_write(sz->driver->rbuf, (unsigned char *) &data);
- }
- if (!lirc_buffer_empty(sz->delay_buf)) {
- while (lirc_buffer_available(sz->delay_buf) <
- STREAMZAP_BUF_LEN / 2 &&
- !lirc_buffer_full(sz->driver->rbuf)) {
- lirc_buffer_read(sz->delay_buf,
- (unsigned char *) &data);
- lirc_buffer_write(sz->driver->rbuf,
- (unsigned char *) &data);
- }
- if (sz->timer_running) {
- sz->delay_timer.expires = jiffies + timer_inc;
- add_timer(&sz->delay_timer);
- }
- } else {
- sz->timer_running = 0;
- }
-
- if (!lirc_buffer_empty(sz->driver->rbuf))
- wake_up(&sz->driver->rbuf->wait_poll);
-
- spin_unlock_irqrestore(&sz->timer_lock, flags);
-}
-
-static void flush_delay_buffer(struct usb_streamzap *sz)
-{
- int data;
- int empty = 1;
-
- while (!lirc_buffer_empty(sz->delay_buf)) {
- empty = 0;
- lirc_buffer_read(sz->delay_buf, (unsigned char *) &data);
- if (!lirc_buffer_full(sz->driver->rbuf)) {
- lirc_buffer_write(sz->driver->rbuf,
- (unsigned char *) &data);
- } else {
- dprintk("buffer overflow", sz->driver->minor);
- }
- }
- if (!empty)
- wake_up(&sz->driver->rbuf->wait_poll);
-}
-
-static void push(struct usb_streamzap *sz, unsigned char *data)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&sz->timer_lock, flags);
- if (lirc_buffer_full(sz->delay_buf)) {
- int read_data;
-
- lirc_buffer_read(sz->delay_buf,
- (unsigned char *) &read_data);
- if (!lirc_buffer_full(sz->driver->rbuf)) {
- lirc_buffer_write(sz->driver->rbuf,
- (unsigned char *) &read_data);
- } else {
- dprintk("buffer overflow", sz->driver->minor);
- }
- }
-
- lirc_buffer_write(sz->delay_buf, data);
-
- if (!sz->timer_running) {
- sz->delay_timer.expires = jiffies + HZ/10;
- add_timer(&sz->delay_timer);
- sz->timer_running = 1;
- }
-
- spin_unlock_irqrestore(&sz->timer_lock, flags);
-}
-
-static void push_full_pulse(struct usb_streamzap *sz,
- unsigned char value)
-{
- int pulse;
-
- if (sz->idle) {
- long deltv;
- int tmp;
-
- sz->signal_last = sz->signal_start;
- do_gettimeofday(&sz->signal_start);
-
- deltv = sz->signal_start.tv_sec-sz->signal_last.tv_sec;
- if (deltv > 15) {
- /* really long time */
- tmp = LIRC_SPACE(LIRC_VALUE_MASK);
- } else {
- tmp = (int) (deltv*1000000+
- sz->signal_start.tv_usec -
- sz->signal_last.tv_usec);
- tmp -= sz->sum;
- tmp = LIRC_SPACE(tmp);
- }
- dprintk("ls %u", sz->driver->minor, tmp);
- push(sz, (char *)&tmp);
-
- sz->idle = 0;
- sz->sum = 0;
- }
-
- pulse = ((int) value) * STREAMZAP_RESOLUTION;
- pulse += STREAMZAP_RESOLUTION / 2;
- sz->sum += pulse;
- pulse = LIRC_PULSE(pulse);
-
- dprintk("p %u", sz->driver->minor, pulse & PULSE_MASK);
- push(sz, (char *)&pulse);
-}
-
-static void push_half_pulse(struct usb_streamzap *sz,
- unsigned char value)
-{
- push_full_pulse(sz, (value & STREAMZAP_PULSE_MASK)>>4);
-}
-
-static void push_full_space(struct usb_streamzap *sz,
- unsigned char value)
-{
- int space;
-
- space = ((int) value)*STREAMZAP_RESOLUTION;
- space += STREAMZAP_RESOLUTION/2;
- sz->sum += space;
- space = LIRC_SPACE(space);
- dprintk("s %u", sz->driver->minor, space);
- push(sz, (char *)&space);
-}
-
-static void push_half_space(struct usb_streamzap *sz,
- unsigned char value)
-{
- push_full_space(sz, value & STREAMZAP_SPACE_MASK);
-}
-
-/**
- * usb_streamzap_irq - IRQ handler
- *
- * This procedure is invoked on reception of data from
- * the usb remote.
- */
-static void usb_streamzap_irq(struct urb *urb)
-{
- struct usb_streamzap *sz;
- int len;
- unsigned int i = 0;
-
- 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
- */
- dprintk("urb status: %d", -1, urb->status);
- return;
- default:
- break;
- }
-
- dprintk("received %d", sz->driver->minor, urb->actual_length);
- if (!sz->flush) {
- for (i = 0; i < urb->actual_length; i++) {
- dprintk("%d: %x", sz->driver->minor,
- 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) {
- push_half_pulse(sz, sz->buf_in[i]);
- sz->decoder_state = FullSpace;
- continue;
- } else {
- push_half_pulse(sz, sz->buf_in[i]);
- push_half_space(sz, sz->buf_in[i]);
- }
- break;
- case FullPulse:
- 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;
- stop_timer(sz);
- if (sz->timeout_enabled) {
- int timeout =
- LIRC_TIMEOUT
- (STREAMZAP_TIMEOUT *
- STREAMZAP_RESOLUTION);
- push(sz, (char *)&timeout);
- }
- flush_delay_buffer(sz);
- } else
- 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;
- }
- push_half_space(sz, sz->buf_in[i]);
- sz->decoder_state = PulseSpace;
- break;
- }
- }
- }
-
- usb_submit_urb(urb, GFP_ATOMIC);
-
- return;
-}
-
-static const struct file_operations streamzap_fops = {
- .owner = THIS_MODULE,
- .unlocked_ioctl = streamzap_ioctl,
- .read = lirc_dev_fop_read,
- .write = lirc_dev_fop_write,
- .poll = lirc_dev_fop_poll,
- .open = lirc_dev_fop_open,
- .release = lirc_dev_fop_close,
-};
-
-
-/**
- * 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 streamzap_probe(struct usb_interface *interface,
- const struct usb_device_id *id)
-{
- struct usb_device *udev = interface_to_usbdev(interface);
- struct usb_host_interface *iface_host;
- struct usb_streamzap *sz;
- struct lirc_driver *driver;
- struct lirc_buffer *lirc_buf;
- struct lirc_buffer *delay_buf;
- char buf[63], name[128] = "";
- int retval = -ENOMEM;
- int minor = 0;
-
- /* Allocate space for device driver specific data */
- sz = kzalloc(sizeof(struct usb_streamzap), GFP_KERNEL);
- if (sz == NULL)
- return -ENOMEM;
-
- sz->udev = udev;
- sz->interface = interface;
-
- /* Check to ensure endpoint information matches requirements */
- iface_host = interface->cur_altsetting;
-
- if (iface_host->desc.bNumEndpoints != 1) {
- err("%s: Unexpected desc.bNumEndpoints (%d)", __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) {
- err("%s: endpoint doesn't match input device 02%02x",
- __func__, sz->endpoint->bEndpointAddress);
- retval = -ENODEV;
- goto free_sz;
- }
-
- if ((sz->endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
- != USB_ENDPOINT_XFER_INT) {
- err("%s: endpoint attributes don't match xfer 02%02x",
- __func__, sz->endpoint->bmAttributes);
- retval = -ENODEV;
- goto free_sz;
- }
-
- if (sz->endpoint->wMaxPacketSize == 0) {
- err("%s: endpoint message size==0? ", __func__);
- retval = -ENODEV;
- goto free_sz;
- }
-
- /* Allocate the USB buffer and IRQ URB */
-
- sz->buf_in_len = sz->endpoint->wMaxPacketSize;
- sz->buf_in = usb_alloc_coherent(sz->udev, sz->buf_in_len,
- GFP_ATOMIC, &sz->dma_in);
- if (sz->buf_in == NULL)
- goto free_sz;
-
- sz->urb_in = usb_alloc_urb(0, GFP_KERNEL);
- if (sz->urb_in == NULL)
- goto free_sz;
-
- /* Connect this device to the LIRC sub-system */
- driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL);
- if (!driver)
- goto free_sz;
-
- lirc_buf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL);
- if (!lirc_buf)
- goto free_driver;
- if (lirc_buffer_init(lirc_buf, sizeof(int), STREAMZAP_BUF_LEN))
- goto kfree_lirc_buf;
-
- delay_buf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL);
- if (!delay_buf)
- goto free_lirc_buf;
- if (lirc_buffer_init(delay_buf, sizeof(int), STREAMZAP_BUF_LEN))
- goto kfree_delay_buf;
-
- sz->driver = driver;
- strcpy(sz->driver->name, DRIVER_NAME);
- sz->driver->minor = -1;
- sz->driver->sample_rate = 0;
- sz->driver->code_length = sizeof(int) * 8;
- sz->driver->features = LIRC_CAN_REC_MODE2 |
- LIRC_CAN_GET_REC_RESOLUTION |
- LIRC_CAN_SET_REC_TIMEOUT;
- sz->driver->data = sz;
- sz->driver->min_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION;
- sz->driver->max_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION;
- sz->driver->rbuf = lirc_buf;
- sz->delay_buf = delay_buf;
- sz->driver->set_use_inc = &streamzap_use_inc;
- sz->driver->set_use_dec = &streamzap_use_dec;
- sz->driver->fops = &streamzap_fops;
- sz->driver->dev = &interface->dev;
- sz->driver->owner = THIS_MODULE;
-
- sz->idle = 1;
- sz->decoder_state = PulseSpace;
- init_timer(&sz->delay_timer);
- sz->delay_timer.function = delay_timeout;
- sz->delay_timer.data = (unsigned long) sz;
- sz->timer_running = 0;
- spin_lock_init(&sz->timer_lock);
-
- init_timer(&sz->flush_timer);
- sz->flush_timer.function = flush_timeout;
- sz->flush_timer.data = (unsigned long) sz;
- /* Complete final initialisations */
-
- usb_fill_int_urb(sz->urb_in, udev,
- usb_rcvintpipe(udev, sz->endpoint->bEndpointAddress),
- sz->buf_in, sz->buf_in_len, usb_streamzap_irq, sz,
- sz->endpoint->bInterval);
- sz->urb_in->transfer_dma = sz->dma_in;
- sz->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-
- if (udev->descriptor.iManufacturer
- && usb_string(udev, udev->descriptor.iManufacturer,
- buf, sizeof(buf)) > 0)
- strlcpy(name, buf, sizeof(name));
-
- if (udev->descriptor.iProduct
- && usb_string(udev, udev->descriptor.iProduct,
- buf, sizeof(buf)) > 0)
- snprintf(name + strlen(name), sizeof(name) - strlen(name),
- " %s", buf);
-
- minor = lirc_register_driver(driver);
-
- if (minor < 0)
- goto free_delay_buf;
-
- sz->driver->minor = minor;
-
- usb_set_intfdata(interface, sz);
-
- printk(KERN_INFO DRIVER_NAME "[%d]: %s on usb%d:%d attached\n",
- sz->driver->minor, name,
- udev->bus->busnum, sz->udev->devnum);
-
- return 0;
-
-free_delay_buf:
- lirc_buffer_free(sz->delay_buf);
-kfree_delay_buf:
- kfree(delay_buf);
-free_lirc_buf:
- lirc_buffer_free(sz->driver->rbuf);
-kfree_lirc_buf:
- kfree(lirc_buf);
-free_driver:
- kfree(driver);
-free_sz:
- if (retval == -ENOMEM)
- err("Out of memory");
-
- if (sz) {
- usb_free_urb(sz->urb_in);
- usb_free_coherent(udev, sz->buf_in_len, sz->buf_in, sz->dma_in);
- kfree(sz);
- }
-
- return retval;
-}
-
-static int streamzap_use_inc(void *data)
-{
- struct usb_streamzap *sz = data;
-
- if (!sz) {
- dprintk("%s called with no context", -1, __func__);
- return -EINVAL;
- }
- dprintk("set use inc", sz->driver->minor);
-
- lirc_buffer_clear(sz->driver->rbuf);
- lirc_buffer_clear(sz->delay_buf);
-
- sz->flush_timer.expires = jiffies + HZ;
- sz->flush = 1;
- add_timer(&sz->flush_timer);
-
- sz->urb_in->dev = sz->udev;
- if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) {
- dprintk("open result = -EIO error submitting urb",
- sz->driver->minor);
- return -EIO;
- }
- sz->in_use++;
-
- return 0;
-}
-
-static void streamzap_use_dec(void *data)
-{
- struct usb_streamzap *sz = data;
-
- if (!sz) {
- dprintk("%s called with no context", -1, __func__);
- return;
- }
- dprintk("set use dec", sz->driver->minor);
-
- if (sz->flush) {
- sz->flush = 0;
- del_timer_sync(&sz->flush_timer);
- }
-
- usb_kill_urb(sz->urb_in);
-
- stop_timer(sz);
-
- sz->in_use--;
-}
-
-static long streamzap_ioctl(struct file *filep, unsigned int cmd,
- unsigned long arg)
-{
- int result = 0;
- int val;
- struct usb_streamzap *sz = lirc_get_pdata(filep);
-
- switch (cmd) {
- case LIRC_GET_REC_RESOLUTION:
- result = put_user(STREAMZAP_RESOLUTION, (unsigned int *) arg);
- break;
- case LIRC_SET_REC_TIMEOUT:
- result = get_user(val, (int *)arg);
- if (result == 0) {
- if (val == STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION)
- sz->timeout_enabled = 1;
- else if (val == 0)
- sz->timeout_enabled = 0;
- else
- result = -EINVAL;
- }
- break;
- default:
- return lirc_dev_fop_ioctl(filep, cmd, arg);
- }
- return result;
-}
-
-/**
- * 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->udev. 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 usb_streamzap *sz;
- int errnum;
- int minor;
-
- sz = usb_get_intfdata(interface);
-
- /* unregister from the LIRC sub-system */
-
- errnum = lirc_unregister_driver(sz->driver->minor);
- if (errnum != 0)
- dprintk("error in lirc_unregister: (returned %d)",
- sz->driver->minor, errnum);
-
- lirc_buffer_free(sz->delay_buf);
- lirc_buffer_free(sz->driver->rbuf);
-
- /* unregister from the USB sub-system */
-
- usb_free_urb(sz->urb_in);
-
- usb_free_coherent(sz->udev, sz->buf_in_len, sz->buf_in, sz->dma_in);
-
- minor = sz->driver->minor;
- kfree(sz->driver->rbuf);
- kfree(sz->driver);
- kfree(sz->delay_buf);
- kfree(sz);
-
- printk(KERN_INFO DRIVER_NAME "[%d]: disconnected\n", minor);
-}
-
-static int streamzap_suspend(struct usb_interface *intf, pm_message_t message)
-{
- struct usb_streamzap *sz = usb_get_intfdata(intf);
-
- printk(KERN_INFO DRIVER_NAME "[%d]: suspend\n", sz->driver->minor);
- if (sz->in_use) {
- if (sz->flush) {
- sz->flush = 0;
- del_timer_sync(&sz->flush_timer);
- }
-
- stop_timer(sz);
-
- usb_kill_urb(sz->urb_in);
- }
- return 0;
-}
-
-static int streamzap_resume(struct usb_interface *intf)
-{
- struct usb_streamzap *sz = usb_get_intfdata(intf);
-
- lirc_buffer_clear(sz->driver->rbuf);
- lirc_buffer_clear(sz->delay_buf);
-
- if (sz->in_use) {
- sz->flush_timer.expires = jiffies + HZ;
- sz->flush = 1;
- add_timer(&sz->flush_timer);
-
- sz->urb_in->dev = sz->udev;
- if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) {
- dprintk("open result = -EIO error submitting urb",
- sz->driver->minor);
- return -EIO;
- }
- }
- return 0;
-}
-
-/**
- * usb_streamzap_init
- */
-static int __init usb_streamzap_init(void)
-{
- int result;
-
- /* register this driver with the USB subsystem */
- result = usb_register(&streamzap_driver);
-
- if (result) {
- err("usb_register failed. Error number %d",
- result);
- return result;
- }
-
- printk(KERN_INFO DRIVER_NAME " " DRIVER_VERSION " registered\n");
- return 0;
-}
-
-/**
- * usb_streamzap_exit
- */
-static void __exit usb_streamzap_exit(void)
-{
- usb_deregister(&streamzap_driver);
-}
-
-
-module_init(usb_streamzap_init);
-module_exit(usb_streamzap_exit);
-
-MODULE_AUTHOR("Christoph Bartelmus, Greg Wickham, Adrian Dewhurst");
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Enable debugging messages");