@@ -17,14 +17,6 @@ config LIRC_BT829
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
@@ -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
deleted file mode 100644
@@ -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);
deleted file mode 100644
@@ -1,169 +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 <media/lirc.h>
-#include <media/lirc_dev.h>
-
-/* hardware address */
-#define ENE_STATUS 0 /* hardware status - unused */
-#define ENE_ADDR_HI 1 /* hi byte of register address */
-#define ENE_ADDR_LO 2 /* low byte of register address */
-#define ENE_IO 3 /* read/write window */
-#define ENE_MAX_IO 4
-
-/* 8 bytes of samples, divided in 2 halfs*/
-#define ENE_SAMPLE_BUFFER 0xF8F0 /* regular sample buffer */
-#define ENE_SAMPLE_SPC_MASK (1 << 7) /* sample is space */
-#define ENE_SAMPLE_VALUE_MASK 0x7F
-#define ENE_SAMPLE_OVERFLOW 0x7F
-#define ENE_SAMPLES_SIZE 4
-
-/* fan input sample buffer */
-#define ENE_SAMPLE_BUFFER_FAN 0xF8FB /* this buffer holds high byte of */
- /* each sample of normal buffer */
-
-#define ENE_FAN_SMPL_PULS_MSK 0x8000 /* this bit of combined sample */
- /* if set, says that sample is pulse */
-#define ENE_FAN_VALUE_MASK 0x0FFF /* mask for valid bits of the value */
-
-/* first firmware register */
-#define ENE_FW1 0xF8F8
-#define ENE_FW1_ENABLE (1 << 0) /* enable fw processing */
-#define ENE_FW1_TXIRQ (1 << 1) /* TX interrupt pending */
-#define ENE_FW1_WAKE (1 << 6) /* enable wake from S3 */
-#define ENE_FW1_IRQ (1 << 7) /* enable interrupt */
-
-/* second firmware register */
-#define ENE_FW2 0xF8F9
-#define ENE_FW2_BUF_HIGH (1 << 0) /* which half of the buffer to read */
-#define ENE_FW2_IRQ_CLR (1 << 2) /* clear this on IRQ */
-#define ENE_FW2_GP40_AS_LEARN (1 << 4) /* normal input is used as */
- /* learning input */
-#define ENE_FW2_FAN_AS_NRML_IN (1 << 6) /* fan is used as normal input */
-#define ENE_FW2_LEARNING (1 << 7) /* hardware supports learning and TX */
-
-/* fan as input settings - only if learning capable */
-#define ENE_FAN_AS_IN1 0xFE30 /* fan init reg 1 */
-#define ENE_FAN_AS_IN1_EN 0xCD
-#define ENE_FAN_AS_IN2 0xFE31 /* fan init reg 2 */
-#define ENE_FAN_AS_IN2_EN 0x03
-#define ENE_SAMPLE_PERIOD_FAN 61 /* fan input has fixed sample period */
-
-/* IRQ registers block (for revision B) */
-#define ENEB_IRQ 0xFD09 /* IRQ number */
-#define ENEB_IRQ_UNK1 0xFD17 /* unknown setting = 1 */
-#define ENEB_IRQ_STATUS 0xFD80 /* irq status */
-#define ENEB_IRQ_STATUS_IR (1 << 5) /* IR irq */
-
-/* IRQ registers block (for revision C,D) */
-#define ENEC_IRQ 0xFE9B /* new irq settings register */
-#define ENEC_IRQ_MASK 0x0F /* irq number mask */
-#define ENEC_IRQ_UNK_EN (1 << 4) /* always enabled */
-#define ENEC_IRQ_STATUS (1 << 5) /* irq status and ACK */
-
-/* CIR block settings */
-#define ENE_CIR_CONF1 0xFEC0
-#define ENE_CIR_CONF1_ADC_ON 0x7 /* reciever on gpio40 enabled */
-#define ENE_CIR_CONF1_LEARN1 (1 << 3) /* enabled on learning mode */
-#define ENE_CIR_CONF1_TX_ON 0x30 /* enabled on transmit */
-#define ENE_CIR_CONF1_TX_CARR (1 << 7) /* send TX carrier or not */
-
-#define ENE_CIR_CONF2 0xFEC1 /* unknown setting = 0 */
-#define ENE_CIR_CONF2_LEARN2 (1 << 4) /* set on enable learning */
-#define ENE_CIR_CONF2_GPIO40DIS (1 << 5) /* disable normal input via gpio40 */
-
-#define ENE_CIR_SAMPLE_PERIOD 0xFEC8 /* sample period in us */
-#define ENE_CIR_SAMPLE_OVERFLOW (1 << 7) /* interrupt on overflows if set */
-
-
-/* transmitter - not implemented yet */
-/* KB3926C and higher */
-/* transmission is very similiar to recieving, a byte is written to */
-/* ENE_TX_INPUT, in same manner as it is read from sample buffer */
-/* sample period is fixed*/
-
-
-/* transmitter ports */
-#define ENE_TX_PORT1 0xFC01 /* this enables one or both */
-#define ENE_TX_PORT1_EN (1 << 5) /* TX ports */
-#define ENE_TX_PORT2 0xFC08
-#define ENE_TX_PORT2_EN (1 << 1)
-
-#define ENE_TX_INPUT 0xFEC9 /* next byte to transmit */
-#define ENE_TX_SPC_MASK (1 << 7) /* Transmitted sample is space */
-#define ENE_TX_UNK1 0xFECB /* set to 0x63 */
-#define ENE_TX_SMPL_PERIOD 50 /* transmit sample period */
-
-
-#define ENE_TX_CARRIER 0xFECE /* TX carrier * 2 (khz) */
-#define ENE_TX_CARRIER_UNKBIT 0x80 /* This bit set on transmit */
-#define ENE_TX_CARRIER_LOW 0xFECF /* TX carrier / 2 */
-
-/* Hardware versions */
-#define ENE_HW_VERSION 0xFF00 /* hardware revision */
-#define ENE_HW_UNK 0xFF1D
-#define ENE_HW_UNK_CLR (1 << 2)
-#define ENE_HW_VER_MAJOR 0xFF1E /* chip version */
-#define ENE_HW_VER_MINOR 0xFF1F
-#define ENE_HW_VER_OLD 0xFD00
-
-#define same_sign(a, b) ((((a) > 0) && (b) > 0) || ((a) < 0 && (b) < 0))
-
-#define ENE_DRIVER_NAME "enecir"
-#define ENE_MAXGAP 250000 /* this is amount of time we wait
- before turning the sampler, chosen
- arbitry */
-
-#define space(len) (-(len)) /* add a space */
-
-/* software defines */
-#define ENE_IRQ_RX 1
-#define ENE_IRQ_TX 2
-
-#define ENE_HW_B 1 /* 3926B */
-#define ENE_HW_C 2 /* 3926C */
-#define ENE_HW_D 3 /* 3926D */
-
-#define ene_printk(level, text, ...) \
- printk(level ENE_DRIVER_NAME ": " text, ## __VA_ARGS__)
-
-struct ene_device {
- struct pnp_dev *pnp_dev;
- struct lirc_driver *lirc_driver;
-
- /* hw settings */
- unsigned long hw_io;
- int irq;
-
- int hw_revision; /* hardware revision */
- int hw_learning_and_tx_capable; /* learning capable */
- int hw_gpio40_learning; /* gpio40 is learning */
- int hw_fan_as_normal_input; /* fan input is used as regular input */
-
- /* device data */
- int idle;
- int fan_input_inuse;
-
- int sample;
- int in_use;
-
- struct timeval gap_start;
-};