V4L/DVB: IR: Port ene driver to new IR subsystem and enable it

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

5 files changed, 264 insertions, 401 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 0af9595884aa..423eadd124ad 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2203,6 +2203,12 @@ F:	drivers/misc/cb710/
 F:      drivers/mmc/host/cb710-mmc.*
 F:      include/linux/cb710.h
 
+ENE KB2426 (ENE0100/ENE020XX) INFRARED RECEIVER
+M:      Maxim Levitsky <maximlevitsky@gmail.com>
+S:      Maintained
+F:      drivers/media/IR/ene_ir.c
+F:      drivers/media/IR/ene_ir.h
+
 EPSON 1355 FRAMEBUFFER DRIVER
 M:      Christopher Hoover <ch@murgatroid.com>
 M:      Christopher Hoover <ch@hpl.hp.com>
diff --git a/drivers/media/IR/Kconfig b/drivers/media/IR/Kconfig
index 9e8f82d85cb3..30e04915a256 100644
--- a/drivers/media/IR/Kconfig
+++ b/drivers/media/IR/Kconfig
@@ -106,6 +106,20 @@ config IR_MCEUSB
            To compile this driver as a module, choose M here: the
            module will be called mceusb.
 
+config IR_ENE
+        tristate "ENE eHome Receiver/Transciever (pnp id: ENE0100/ENE02xxx)"
+        depends on PNP
+        depends on IR_CORE
+        ---help---
+           Say Y here to enable support for integrated infrared receiver
+           /transciever made by ENE.
+
+           You can see if you have it by looking at lspnp output.
+           Output should include ENE0100 ENE0200 or something similiar.
+
+           To compile this driver as a module, choose M here: the
+           module will be called ene_ir.
+
 config IR_STREAMZAP
         tristate "Streamzap PC Remote IR Receiver"
         depends on USB_ARCH_HAS_HCD
diff --git a/drivers/media/IR/Makefile b/drivers/media/IR/Makefile
index 2566fb4f356e..53676838fe97 100644
--- a/drivers/media/IR/Makefile
+++ b/drivers/media/IR/Makefile
@@ -16,4 +16,5 @@ obj-$(CONFIG_IR_LIRC_CODEC) += ir-lirc-codec.o
 # stand-alone IR receivers/transmitters
 obj-$(CONFIG_IR_IMON) += imon.o
 obj-$(CONFIG_IR_MCEUSB) += mceusb.o
+obj-$(CONFIG_IR_ENE) += ene_ir.o
 obj-$(CONFIG_IR_STREAMZAP) += streamzap.o
diff --git a/drivers/media/IR/ene_ir.c b/drivers/media/IR/ene_ir.c
index 9d11caf55b03..5447750f5e38 100644
--- a/drivers/media/IR/ene_ir.c
+++ b/drivers/media/IR/ene_ir.c
@@ -1,5 +1,5 @@
 /*
- * driver for ENE KB3926 B/C/D CIR (also known as ENE0100/ENE0200/ENE0201)
+ * driver for ENE KB3926 B/C/D CIR (pnp id: ENE0XXX)
  *
  * Copyright (C) 2010 Maxim Levitsky <maximlevitsky@gmail.com>
  *
@@ -25,20 +25,20 @@
 #include <linux/io.h>
 #include <linux/interrupt.h>
 #include <linux/sched.h>
-#include <linux/uaccess.h>
-#include "lirc_ene0100.h"
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <media/ir-core.h>
+#include <media/ir-common.h>
+#include "ene_ir.h"
 
 
 static int sample_period = -1;
 static int enable_idle = 1;
-static int enable_duty_carrier;
 static int input = 1;
 static int debug;
 static int txsim;
 
-static void ene_rx_set_idle(struct ene_device *dev, int idle);
 static int ene_irq_status(struct ene_device *dev);
-static void ene_send_sample(struct ene_device *dev, unsigned long sample);
 
 /* read a hardware register */
 static u8 ene_hw_read_reg(struct ene_device *dev, u16 reg)
@@ -85,6 +85,7 @@ static int ene_hw_detect(struct ene_device *dev)
         u8 hw_revision, old_ver;
         u8 tmp;
         u8 fw_capabilities;
+        int pll_freq;
 
         tmp = ene_hw_read_reg(dev, ENE_HW_UNK);
         ene_hw_write_reg(dev, ENE_HW_UNK, tmp & ~ENE_HW_UNK_CLR);
@@ -96,6 +97,17 @@ static int ene_hw_detect(struct ene_device *dev)
         hw_revision = ene_hw_read_reg(dev, ENE_HW_VERSION);
         old_ver = ene_hw_read_reg(dev, ENE_HW_VER_OLD);
 
+        pll_freq = (ene_hw_read_reg(dev, ENE_PLLFRH) << 4) +
+                (ene_hw_read_reg(dev, ENE_PLLFRL) >> 4);
+
+        if (pll_freq != 1000)
+                dev->rx_period_adjust = 4;
+        else
+                dev->rx_period_adjust = 2;
+
+
+        ene_printk(KERN_NOTICE, "PLL freq = %d\n", pll_freq);
+
         if (hw_revision == 0xFF) {
 
                 ene_printk(KERN_WARNING, "device seems to be disabled\n");
@@ -160,7 +172,7 @@ static int ene_hw_detect(struct ene_device *dev)
 }
 
 /* this enables/disables IR input via gpio40*/
-static void ene_enable_gpio40_recieve(struct ene_device *dev, int enable)
+static void ene_enable_gpio40_receive(struct ene_device *dev, int enable)
 {
         ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, enable ?
                               0 : ENE_CIR_CONF2_GPIO40DIS,
@@ -168,13 +180,13 @@ static void ene_enable_gpio40_recieve(struct ene_device *dev, int enable)
 }
 
 /* this enables/disables IR via standard input */
-static void ene_enable_normal_recieve(struct ene_device *dev, int enable)
+static void ene_enable_normal_receive(struct ene_device *dev, int enable)
 {
         ene_hw_write_reg(dev, ENE_CIR_CONF1, enable ? ENE_CIR_CONF1_RX_ON : 0);
 }
 
 /* this enables/disables IR input via unused fan tachtometer input */
-static void ene_enable_fan_recieve(struct ene_device *dev, int enable)
+static void ene_enable_fan_receive(struct ene_device *dev, int enable)
 {
         if (!enable)
                 ene_hw_write_reg(dev, ENE_FAN_AS_IN1, 0);
@@ -186,7 +198,7 @@ static void ene_enable_fan_recieve(struct ene_device *dev, int enable)
 }
 
 
-/* Sense current recieved carrier */
+/* Sense current received carrier */
 static int ene_rx_sense_carrier(struct ene_device *dev)
 {
         int period = ene_hw_read_reg(dev, ENE_RX_CARRIER);
@@ -209,37 +221,37 @@ static int ene_rx_sense_carrier(struct ene_device *dev)
 /* determine which input to use*/
 static void ene_rx_set_inputs(struct ene_device *dev)
 {
-        int learning_mode = dev->learning_enabled || dev->rx_carrier_sense;
+        int learning_mode = dev->learning_enabled;
 
-        ene_dbg("RX: setup reciever, learning mode = %d", learning_mode);
+        ene_dbg("RX: setup receiver, learning mode = %d", learning_mode);
 
-        ene_enable_normal_recieve(dev, 1);
+        ene_enable_normal_receive(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 */
+        /* receiver not learning capable, still set gpio40 correctly */
         if (!dev->hw_learning_and_tx_capable) {
-                ene_enable_gpio40_recieve(dev, !dev->hw_gpio40_learning);
+                ene_enable_gpio40_receive(dev, !dev->hw_gpio40_learning);
                 return;
         }
 
         /* enable learning mode */
         if (learning_mode) {
-                ene_enable_gpio40_recieve(dev, dev->hw_gpio40_learning);
+                ene_enable_gpio40_receive(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);
+                        ene_enable_fan_receive(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);
+                        ene_enable_fan_receive(dev, 1);
+                        ene_enable_normal_receive(dev, 0);
                 } else
-                        ene_enable_gpio40_recieve(dev,
+                        ene_enable_gpio40_receive(dev,
                                         !dev->hw_gpio40_learning);
         }
 
@@ -249,6 +261,16 @@ static void ene_rx_set_inputs(struct ene_device *dev)
 
         ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, learning_mode ?
                               ENE_CIR_CONF2_LEARN2 : 0, ENE_CIR_CONF2_LEARN2);
+
+        if (dev->rx_fan_input_inuse) {
+                dev->props->rx_resolution = ENE_SAMPLE_PERIOD_FAN * 1000;
+
+                dev->props->timeout =
+                        ENE_FAN_VALUE_MASK * ENE_SAMPLE_PERIOD_FAN * 1000;
+        } else {
+                dev->props->rx_resolution = sample_period * 1000;
+                dev->props->timeout = ENE_MAXGAP * 1000;
+        }
 }
 
 /* Enable the device for receive */
@@ -277,147 +299,33 @@ static void ene_rx_enable(struct ene_device *dev)
         /* ack any pending irqs - just in case */
         ene_irq_status(dev);
 
-        /* enter idle mode */
-        ene_rx_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);
+
+        /* enter idle mode */
+        ir_raw_event_set_idle(dev->idev, 1);
+        ir_raw_event_reset(dev->idev);
+
 }
 
-/* Disable the device reciever */
+/* Disable the device receiver */
 static void ene_rx_disable(struct ene_device *dev)
 {
         /* disable inputs */
-        ene_enable_normal_recieve(dev, 0);
+        ene_enable_normal_receive(dev, 0);
 
         if (dev->hw_fan_as_normal_input)
-                ene_enable_fan_recieve(dev, 0);
+                ene_enable_fan_receive(dev, 0);
 
         /* disable hardware IRQ and firmware flag */
         ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_ENABLE | ENE_FW1_IRQ);
 
-        ene_rx_set_idle(dev, 1);
-}
-
-/*  send current sample to the user */
-static void ene_rx_flush(struct ene_device *dev, int timeout)
-{
-        unsigned long value;
-
-        value = dev->rx_sample_pulse ? LIRC_PULSE(dev->rx_sample) :
-                                        LIRC_SPACE(dev->rx_sample);
-        ene_send_sample(dev, value);
-        dev->rx_sample = 0;
-        dev->rx_sample_pulse = 0;
-}
-
-/* recieve new sample and process it */
-static void ene_rx_sample(struct ene_device *dev, int sample, int is_pulse)
-{
-        ene_dbg("RX: sample %8d (%s)", sample, is_pulse ? "pulse" : "space");
-
-        /* ignore spaces in idle mode, can get them on revC */
-        /* also ignore a space in front of first pulse */
-        if (dev->rx_idle && !is_pulse)
-                return;
-
-        /* get out of idle mode now */
-        if (dev->rx_idle)
-                ene_rx_set_idle(dev, 0);
-
-        if (!dev->rx_sample) {
-                dev->rx_sample = sample;
-                dev->rx_sample_pulse = is_pulse;
-        } else if (is_pulse == dev->rx_sample_pulse)
-                dev->rx_sample += sample;
-        else {
-                ene_rx_flush(dev, 0);
-                dev->rx_sample = sample;
-                dev->rx_sample_pulse = is_pulse;
-        }
-
-        if (is_pulse)
-                return;
-
-        /* overflow sample from fan input recieved, enable idle mode */
-        if (dev->rx_fan_input_inuse &&
-                sample == ENE_FAN_VALUE_MASK * ENE_SAMPLE_PERIOD_FAN) {
-                ene_rx_set_idle(dev, 1);
-                return;
-        }
-
-        if (!dev->rx_fan_input_inuse) {
-                /* Report timeout if enabled */
-                if (dev->rx_timeout && dev->rx_send_timeout_packet &&
-                        !dev->rx_timeout_sent &&
-                                dev->rx_sample > dev->rx_timeout) {
-                        ene_dbg("RX: sending timeout sample");
-                        ene_send_sample(dev, LIRC_TIMEOUT(dev->rx_sample));
-                        dev->rx_timeout_sent = 1;
-                }
-
-                /* too large sample accumulated via normal input.
-                note that on revC, hardware idle mode turns on automaticly,
-                        so max gap should be less that the gap after which
-                        hw stops sending samples */
-                if (dev->rx_sample > ENE_MAXGAP) {
-                        ene_rx_set_idle(dev, 1);
-                        return;
-                }
-        }
+        ir_raw_event_set_idle(dev->idev, 1);
+        ir_raw_event_reset(dev->idev);
 }
 
-/* enable or disable idle mode */
-static void ene_rx_set_idle(struct ene_device *dev, int idle)
-{
-        struct timeval now;
-        int disable_sampler = 0;
-
-
-        /* Also put hardware sampler in 'idle' mode on revB*/
-        /* revC and higher do that automaticly (firmware does?) */
-        if ((dev->hw_revision < ENE_HW_C) && enable_idle)
-                if (idle)
-                        disable_sampler = 1;
-
-        ene_hw_write_reg_mask(dev, ENE_CIR_SAMPLE_PERIOD,
-                              disable_sampler ? 0 : ENE_CIR_SAMPLE_OVERFLOW,
-                              ENE_CIR_SAMPLE_OVERFLOW);
-        dev->rx_idle = idle;
-
-        /* remember when we have entered the idle mode */
-        if (idle) {
-                ene_dbg("RX: going into idle mode");
-                do_gettimeofday(&dev->rx_gap_start);
-                return;
-        }
-
-        ene_dbg("RX: back from idle mode");
-
-        /* send the gap between keypresses now */
-        do_gettimeofday(&now);
-
-        if (dev->rx_sample_pulse) {
-                ene_dbg("RX: somehow we recieved a pulse before idle mode???");
-                return;
-        }
-
-        /* manually calculate and recieve the gap between keypresses */
-        if (now.tv_sec - dev->rx_gap_start.tv_sec > 16)
-                dev->rx_sample = LIRC_SPACE(LIRC_VALUE_MASK);
-        else
-                dev->rx_sample +=
-                    1000000ull * (now.tv_sec - dev->rx_gap_start.tv_sec)
-                    + now.tv_usec - dev->rx_gap_start.tv_usec;
-
-        if (dev->rx_sample > LIRC_SPACE(LIRC_VALUE_MASK))
-                dev->rx_sample = LIRC_SPACE(LIRC_VALUE_MASK);
-
-        ene_rx_flush(dev, 0);
-        dev->rx_timeout_sent = 0;
-}
 
 /* prepare transmission */
 static void ene_tx_prepare(struct ene_device *dev)
@@ -436,6 +344,8 @@ static void ene_tx_prepare(struct ene_device *dev)
         /* Set carrier */
         if (dev->tx_period) {
 
+                /* NOTE: duty cycle handling is just a guess, it might
+                        not be aviable. Default values were tested */
                 int tx_period_in500ns = dev->tx_period * 2;
 
                 int tx_pulse_width_in_500ns =
@@ -459,7 +369,6 @@ static void ene_tx_prepare(struct ene_device *dev)
                 conf1 &= ~ENE_CIR_CONF1_TX_CARR;
 
         ene_hw_write_reg(dev, ENE_CIR_CONF1, conf1);
-        dev->tx_underway = 1;
 
 }
 
@@ -467,11 +376,11 @@ static void ene_tx_prepare(struct ene_device *dev)
 static void ene_tx_complete(struct ene_device *dev)
 {
         ene_hw_write_reg(dev, ENE_CIR_CONF1, dev->saved_conf1);
-        dev->tx_underway = 0;
+        dev->tx_buffer = NULL;
 }
 
 /* set transmit mask */
-static void ene_tx_set_transmiter_mask(struct ene_device *dev)
+static void ene_tx_hw_set_transmiter_mask(struct ene_device *dev)
 {
         u8 txport1 = ene_hw_read_reg(dev, ENE_TX_PORT1) & ~ENE_TX_PORT1_EN;
         u8 txport2 = ene_hw_read_reg(dev, ENE_TX_PORT2) & ~ENE_TX_PORT2_EN;
@@ -492,8 +401,8 @@ static void ene_tx_sample(struct ene_device *dev)
         u8 raw_tx;
         u32 sample;
 
-        if (!dev->tx_underway) {
-                ene_dbg("TX: attempt to transmit while hw isn't setup");
+        if (!dev->tx_buffer) {
+                ene_dbg("TX: attempt to transmit NULL buffer");
                 return;
         }
 
@@ -623,6 +532,7 @@ static irqreturn_t ene_isr(int irq, void *data)
         int carrier = 0;
         irqreturn_t retval = IRQ_NONE;
         struct ene_device *dev = (struct ene_device *)data;
+        struct ir_raw_event ev;
 
 
         spin_lock_irqsave(&dev->hw_lock, flags);
@@ -646,12 +556,13 @@ static irqreturn_t ene_isr(int irq, void *data)
                 goto unlock;
 
 
-        if ((debug && dev->learning_enabled) || dev->rx_carrier_sense)
+        if (dev->carrier_detect_enabled || debug)
                 carrier = ene_rx_sense_carrier(dev);
-
-        if (dev->rx_carrier_sense && carrier)
-                ene_send_sample(dev, LIRC_FREQUENCY(carrier));
-
+#if 0
+        /* TODO */
+        if (dev->carrier_detect_enabled && carrier)
+                ir_raw_event_report_frequency(dev->idev, carrier);
+#endif
 
         for (i = 0; i < ENE_SAMPLES_SIZE; i++) {
                 hw_value = ene_hw_read_reg(dev,
@@ -672,13 +583,25 @@ static irqreturn_t ene_isr(int irq, void *data)
                         pulse = !(hw_value & ENE_SAMPLE_SPC_MASK);
                         hw_value &= ENE_SAMPLE_VALUE_MASK;
                         hw_sample = hw_value * sample_period;
+
+                        if (dev->rx_period_adjust) {
+                                hw_sample *= (100 - dev->rx_period_adjust);
+                                hw_sample /= 100;
+                        }
                 }
                 /* no more data */
                 if (!(hw_value))
                         break;
 
-                ene_rx_sample(dev, hw_sample, pulse);
+                ene_dbg("RX: %d (%s)", hw_sample, pulse ? "pulse" : "space");
+
+
+                ev.duration = hw_sample * 1000;
+                ev.pulse = pulse;
+                ir_raw_event_store_with_filter(dev->idev, &ev);
         }
+
+        ir_raw_event_handle(dev->idev);
 unlock:
         spin_unlock_irqrestore(&dev->hw_lock, flags);
         return retval;
@@ -687,8 +610,6 @@ unlock:
 /* Initialize default settings */
 static void ene_setup_settings(struct ene_device *dev)
 {
-        dev->rx_send_timeout_packet = 0;
-        dev->rx_timeout = ENE_MAXGAP;
         dev->tx_period = 32;
         dev->tx_duty_cycle = 25; /*%*/
         dev->transmitter_mask = 3;
@@ -698,11 +619,7 @@ static void ene_setup_settings(struct ene_device *dev)
         dev->learning_enabled =
                 (input == 2 && dev->hw_learning_and_tx_capable);
 
-        /* Clear accumulated sample bufer */
-        dev->rx_sample = 0;
-        dev->rx_sample_pulse = 0;
         dev->rx_pointer = -1;
-        dev->rx_carrier_sense = 0;
 
 }
 
@@ -732,144 +649,97 @@ static void ene_close(void *data)
         spin_unlock_irqrestore(&dev->hw_lock, flags);
 }
 
-/* outside interface for settings */
-static int ene_ioctl(struct inode *node, struct file *file,
-                      unsigned int cmd, unsigned long arg)
+/* outside interface: set transmitter mask */
+static int ene_set_tx_mask(void *data, u32 tx_mask)
 {
-        int lvalue = 0, retval, tmp;
+        struct ene_device *dev = (struct ene_device *)data;
         unsigned long flags;
-        struct ene_device *dev = lirc_get_pdata(file);
-
-
-        switch (cmd) {
-        case LIRC_SET_SEND_CARRIER:
-        case LIRC_SET_SEND_DUTY_CYCLE:
-        case LIRC_SET_TRANSMITTER_MASK:
-        case LIRC_SET_MEASURE_CARRIER_MODE:
-        case LIRC_SET_REC_CARRIER:
-                /* All these aren't possible without this */
-                if (!dev->hw_learning_and_tx_capable)
-                        return -ENOSYS;
-                /* Fall through */
-        case LIRC_SET_REC_TIMEOUT:
-        case LIRC_SET_REC_TIMEOUT_REPORTS:
-                retval = get_user(lvalue, (unsigned int *) arg);
-                if (retval)
-                        return retval;
+        ene_dbg("TX: attempt to set transmitter mask %02x", tx_mask);
+
+        /* invalid txmask */
+        if (!tx_mask || tx_mask & ~0x3) {
+                ene_dbg("TX: invalid mask");
+                /* return count of transmitters */
+                return 2;
         }
 
-        switch (cmd) {
-        case LIRC_SET_SEND_CARRIER:
-                ene_dbg("TX: attempt to set tx carrier to %d kHz", lvalue);
-                tmp = 1000000 / lvalue; /* (1 / freq) (* # usec in 1 sec) */
+        spin_lock_irqsave(&dev->hw_lock, flags);
+        dev->transmitter_mask = tx_mask;
+        spin_unlock_irqrestore(&dev->hw_lock, flags);
+        return 0;
+}
 
-                if (tmp && (tmp > ENE_TX_PERIOD_MAX ||
-                                tmp < ENE_TX_PERIOD_MIN)) {
+/* outside interface : set tx carrier */
+static int ene_set_tx_carrier(void *data, u32 carrier)
+{
+        struct ene_device *dev = (struct ene_device *)data;
+        unsigned long flags;
+        u32 period = 1000000 / carrier; /* (1 / freq) (* # usec in 1 sec) */
 
-                        ene_dbg("TX: out of range %d-%d carrier, "
-                                "falling back to 32 kHz",
-                                1000 / ENE_TX_PERIOD_MIN,
-                                1000 / ENE_TX_PERIOD_MAX);
+        ene_dbg("TX: attempt to set tx carrier to %d kHz", carrier);
 
-                        tmp = 32; /* this is just a coincidence!!! */
-                }
-                ene_dbg("TX: set carrier to %d kHz", lvalue);
+        if (period && (period > ENE_TX_PERIOD_MAX ||
+                        period < ENE_TX_PERIOD_MIN)) {
 
-                spin_lock_irqsave(&dev->hw_lock, flags);
-                dev->tx_period = tmp;
-                spin_unlock_irqrestore(&dev->hw_lock, flags);
-                break;
-        case LIRC_SET_SEND_DUTY_CYCLE:
-                ene_dbg("TX: attempt to set duty cycle to %d%%", lvalue);
+                ene_dbg("TX: out of range %d-%d carrier, "
+                        "falling back to 32 kHz",
+                        1000 / ENE_TX_PERIOD_MIN,
+                        1000 / ENE_TX_PERIOD_MAX);
 
-                if ((lvalue >= 100) || (lvalue <= 0)) {
-                        retval = -EINVAL;
-                        break;
-                }
-                spin_lock_irqsave(&dev->hw_lock, flags);
-                dev->tx_duty_cycle = lvalue;
-                spin_unlock_irqrestore(&dev->hw_lock, flags);
-                break;
-        case LIRC_SET_TRANSMITTER_MASK:
-                ene_dbg("TX: attempt to set transmitter mask %02x", lvalue);
-
-                /* invalid txmask */
-                if (!lvalue || lvalue & ~0x3) {
-                        ene_dbg("TX: invalid mask");
-                        /* this supposed to return num of transmitters */
-                        retval =  2;
-                        break;
-                }
-                spin_lock_irqsave(&dev->hw_lock, flags);
-                dev->transmitter_mask = lvalue;
-                spin_unlock_irqrestore(&dev->hw_lock, flags);
-                break;
-        case LIRC_SET_REC_CARRIER:
-                tmp = (lvalue > ENE_NORMAL_RX_HI || lvalue < ENE_NORMAL_RX_LOW);
-
-                if (tmp != dev->learning_enabled) {
-                        spin_lock_irqsave(&dev->hw_lock, flags);
-                        dev->learning_enabled = tmp;
-                        ene_rx_set_inputs(dev);
-                        spin_unlock_irqrestore(&dev->hw_lock, flags);
-                }
-                break;
-        case LIRC_SET_REC_TIMEOUT:
-                spin_lock_irqsave(&dev->hw_lock, flags);
-                dev->rx_timeout = lvalue;
-                spin_unlock_irqrestore(&dev->hw_lock, flags);
-                ene_dbg("RX: set rx report timeout to %d", dev->rx_timeout);
-                break;
-        case LIRC_SET_REC_TIMEOUT_REPORTS:
-                spin_lock_irqsave(&dev->hw_lock, flags);
-                dev->rx_send_timeout_packet = lvalue;
-                spin_unlock_irqrestore(&dev->hw_lock, flags);
-                ene_dbg("RX: %sable timeout reports",
-                                dev->rx_send_timeout_packet ? "en" : "dis");
-                break;
-        case LIRC_SET_MEASURE_CARRIER_MODE:
-                if (dev->rx_carrier_sense == lvalue)
-                        break;
-                spin_lock_irqsave(&dev->hw_lock, flags);
-                dev->rx_carrier_sense = lvalue;
-                ene_rx_set_inputs(dev);
-                spin_unlock_irqrestore(&dev->hw_lock, flags);
-                break;
-        case LIRC_GET_REC_RESOLUTION:
-                tmp = dev->rx_fan_input_inuse ?
-                        ENE_SAMPLE_PERIOD_FAN : sample_period;
-                retval = put_user(tmp, (unsigned long *) arg);
-                break;
-        default:
-                retval = -ENOIOCTLCMD;
-                break;
+                period = 32; /* this is just a coincidence!!! */
         }
+        ene_dbg("TX: set carrier to %d kHz", carrier);
 
-        return retval;
+        spin_lock_irqsave(&dev->hw_lock, flags);
+        dev->tx_period = period;
+        spin_unlock_irqrestore(&dev->hw_lock, flags);
+        return 0;
 }
 
-/* outside interface: transmit */
-static ssize_t ene_transmit(struct file *file, const char *buf,
-                                  size_t n, loff_t *ppos)
+
+/* outside interface: enable learning mode */
+static int ene_set_learning_mode(void *data, int enable)
 {
-        struct ene_device *dev = lirc_get_pdata(file);
+        struct ene_device *dev = (struct ene_device *)data;
         unsigned long flags;
+        if (enable == dev->learning_enabled)
+                return 0;
 
-        if (!dev)
-                return -EFAULT;
+        spin_lock_irqsave(&dev->hw_lock, flags);
+        dev->learning_enabled = enable;
+        ene_rx_set_inputs(dev);
+        spin_unlock_irqrestore(&dev->hw_lock, flags);
+        return 0;
+}
 
-        if (!dev->hw_learning_and_tx_capable)
-                return -ENODEV;
+/* outside interface: set rec carrier */
+static int ene_set_rec_carrier(void *data, u32 min, u32 max)
+{
+        struct ene_device *dev = (struct ene_device *)data;
+        ene_set_learning_mode(dev,
+                max > ENE_NORMAL_RX_HI || min < ENE_NORMAL_RX_LOW);
+        return 0;
+}
 
-        if (n % sizeof(int))
-                return -EINVAL;
+/* outside interface: enable or disable idle mode */
+static void ene_rx_set_idle(void *data, int idle)
+{
+        struct ene_device *dev = (struct ene_device *)data;
+        ene_dbg("%sabling idle mode", idle ? "en" : "dis");
 
-        if (n > ENE_TXBUF_SIZE * sizeof(int))
-                return -ENOMEM;
+        ene_hw_write_reg_mask(dev, ENE_CIR_SAMPLE_PERIOD,
+                (enable_idle && idle) ? 0 : ENE_CIR_SAMPLE_OVERFLOW,
+                        ENE_CIR_SAMPLE_OVERFLOW);
+}
 
-        if (copy_from_user(dev->tx_buffer, buf, n))
-                return -EFAULT;
 
+/* outside interface: transmit */
+static int ene_transmit(void *data, int *buf, u32 n)
+{
+        struct ene_device *dev = (struct ene_device *)data;
+        unsigned long flags;
+
+        dev->tx_buffer = buf;
         dev->tx_len = n / sizeof(int);
         dev->tx_pos = 0;
         dev->tx_reg = 0;
@@ -881,7 +751,7 @@ static ssize_t ene_transmit(struct file *file, const char *buf,
 
         spin_lock_irqsave(&dev->hw_lock, flags);
 
-        ene_tx_set_transmiter_mask(dev);
+        ene_tx_hw_set_transmiter_mask(dev);
         ene_tx_prepare(dev);
 
         /* Transmit first two samples */
@@ -897,80 +767,35 @@ static ssize_t ene_transmit(struct file *file, const char *buf,
                 spin_unlock_irqrestore(&dev->hw_lock, flags);
         } else
                 ene_dbg("TX: done");
-
         return n;
 }
 
-/* Sends one sample to the user */
-static void ene_send_sample(struct ene_device *dev, unsigned long sample)
-{
-        if (!lirc_buffer_full(dev->lirc_driver->rbuf)) {
-                lirc_buffer_write(dev->lirc_driver->rbuf, (void *)&sample);
-                wake_up(&dev->lirc_driver->rbuf->wait_poll);
-        }
-}
-
-
-static const struct file_operations ene_fops = {
-        .owner          = THIS_MODULE,
-        .write          = ene_transmit,
-        .ioctl          = ene_ioctl,
-};
 
-/* main load function */
-static int ene_probe(struct pnp_dev *pnp_dev,
-                     const struct pnp_device_id *dev_id)
+/* probe entry */
+static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
 {
-        struct ene_device *dev;
-        struct lirc_driver *lirc_driver;
         int error = -ENOMEM;
+        struct ir_dev_props *ir_props;
+        struct input_dev *input_dev;
+        struct ene_device *dev;
 
+        /* allocate memory */
+        input_dev = input_allocate_device();
+        ir_props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL);
         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_CAN_GET_REC_RESOLUTION |
-                                LIRC_CAN_SET_REC_TIMEOUT;
-        lirc_driver->data = dev;
-        lirc_driver->set_use_inc = ene_open;
-        lirc_driver->set_use_dec = ene_close;
-        lirc_driver->dev = &pnp_dev->dev;
-        lirc_driver->owner = THIS_MODULE;
-        lirc_driver->fops = &ene_fops;
-        lirc_driver->min_timeout = ENE_MINGAP;
-        lirc_driver->max_timeout = ENE_MAXGAP;
-        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) * 512))
-                goto err4;
+        if (!input_dev || !ir_props || !dev)
+                goto error;
 
         /* validate resources */
+        error = -ENODEV;
+
         if (!pnp_port_valid(pnp_dev, 0) ||
             pnp_port_len(pnp_dev, 0) < ENE_MAX_IO)
-                goto err5;
+                goto error;
 
         if (!pnp_irq_valid(pnp_dev, 0))
-                goto err5;
+                goto error;
 
         dev->hw_io = pnp_port_start(pnp_dev, 0);
         dev->irq = pnp_irq(pnp_dev, 0);
@@ -979,16 +804,19 @@ static int ene_probe(struct pnp_dev *pnp_dev,
         /* claim the resources */
         error = -EBUSY;
         if (!request_region(dev->hw_io, ENE_MAX_IO, ENE_DRIVER_NAME))
-                goto err5;
+                goto error;
 
         if (request_irq(dev->irq, ene_isr,
                         IRQF_SHARED, ENE_DRIVER_NAME, (void *)dev))
-                goto err6;
+                goto error;
+
+        pnp_set_drvdata(pnp_dev, dev);
+        dev->pnp_dev = pnp_dev;
 
         /* detect hardware version and features */
         error = ene_hw_detect(dev);
         if (error)
-                goto err7;
+                goto error;
 
         ene_setup_settings(dev);
 
@@ -1000,19 +828,21 @@ static int ene_probe(struct pnp_dev *pnp_dev,
                         "Simulation of TX activated\n");
         }
 
-        if (dev->hw_learning_and_tx_capable) {
-                lirc_driver->features |= LIRC_CAN_SEND_PULSE |
-                                         LIRC_CAN_SET_SEND_CARRIER |
-                                         LIRC_CAN_SET_TRANSMITTER_MASK;
+        ir_props->driver_type = RC_DRIVER_IR_RAW;
+        ir_props->allowed_protos = IR_TYPE_ALL;
+        ir_props->priv = dev;
+        ir_props->open = ene_open;
+        ir_props->close = ene_close;
+        ir_props->min_timeout = ENE_MINGAP * 1000;
+        ir_props->max_timeout = ENE_MAXGAP * 1000;
+        ir_props->timeout = ENE_MAXGAP * 1000;
 
-                if (enable_duty_carrier)
-                        lirc_driver->features |= LIRC_CAN_SET_SEND_DUTY_CYCLE;
+        if (dev->hw_revision == ENE_HW_B)
+                ir_props->s_idle = ene_rx_set_idle;
 
-                if (input == 0)
-                        lirc_driver->features |= LIRC_CAN_SET_REC_CARRIER;
 
-                init_completion(&dev->tx_complete);
-        }
+        dev->props = ir_props;
+        dev->idev = input_dev;
 
         /* don't allow too short/long sample periods */
         if (sample_period < 5 || sample_period > 0x7F)
@@ -1029,29 +859,50 @@ static int ene_probe(struct pnp_dev *pnp_dev,
                         sample_period = 75;
         }
 
+        ir_props->rx_resolution = sample_period * 1000;
+
+        if (dev->hw_learning_and_tx_capable) {
+
+                ir_props->s_learning_mode = ene_set_learning_mode;
+
+                if (input == 0)
+                        ir_props->s_rx_carrier_range = ene_set_rec_carrier;
+
+                init_completion(&dev->tx_complete);
+                ir_props->tx_ir = ene_transmit;
+                ir_props->s_tx_mask = ene_set_tx_mask;
+                ir_props->s_tx_carrier = ene_set_tx_carrier;
+                ir_props->tx_resolution = ENE_TX_SMPL_PERIOD * 1000;
+                /* ir_props->s_carrier_report = ene_set_carrier_report; */
+        }
+
+
         device_set_wakeup_capable(&pnp_dev->dev, 1);
         device_set_wakeup_enable(&pnp_dev->dev, 1);
 
+        if (dev->hw_learning_and_tx_capable)
+                input_dev->name = "ENE eHome Infrared Remote Transceiver";
+        else
+                input_dev->name = "ENE eHome Infrared Remote Receiver";
+
+
         error = -ENODEV;
-        if (lirc_register_driver(lirc_driver))
-                goto err7;
+        if (ir_input_register(input_dev, RC_MAP_RC6_MCE, ir_props,
+                                                        ENE_DRIVER_NAME))
+                goto error;
+
 
         ene_printk(KERN_NOTICE, "driver has been succesfully loaded\n");
         return 0;
-
-err7:
-        free_irq(dev->irq, dev);
-err6:
-        release_region(dev->hw_io, ENE_MAX_IO);
-err5:
-        lirc_buffer_free(lirc_driver->rbuf);
-err4:
-        kfree(lirc_driver->rbuf);
-err3:
-        kfree(lirc_driver);
-err2:
+error:
+        if (dev->irq)
+                free_irq(dev->irq, dev);
+        if (dev->hw_io)
+                release_region(dev->hw_io, ENE_MAX_IO);
+
+        input_free_device(input_dev);
+        kfree(ir_props);
         kfree(dev);
-err1:
         return error;
 }
 
@@ -1067,9 +918,8 @@ static void ene_remove(struct pnp_dev *pnp_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);
+        ir_input_unregister(dev->idev);
+        kfree(dev->props);
         kfree(dev);
 }
 
@@ -1113,6 +963,7 @@ static const struct pnp_device_id ene_ids[] = {
         {.id = "ENE0100",},
         {.id = "ENE0200",},
         {.id = "ENE0201",},
+        {.id = "ENE0202",},
         {},
 };
 
@@ -1160,13 +1011,9 @@ module_param(txsim, bool, S_IRUGO);
 MODULE_PARM_DESC(txsim,
         "Simulate TX features on unsupported hardware (dangerous)");
 
-module_param(enable_duty_carrier, bool, S_IRUGO);
-MODULE_PARM_DESC(enable_duty_carrier,
-        "Enable a code that might allow to to set TX carrier duty cycle");
-
 MODULE_DEVICE_TABLE(pnp, ene_ids);
 MODULE_DESCRIPTION
-        ("LIRC driver for KB3926B/KB3926C/KB3926D "
+        ("Infrared input driver for KB3926B/KB3926C/KB3926D "
         "(aka ENE0100/ENE0200/ENE0201) CIR port");
 
 MODULE_AUTHOR("Maxim Levitsky");
diff --git a/drivers/media/IR/ene_ir.h b/drivers/media/IR/ene_ir.h
index b464a680d8ae..54c76af0d033 100644
--- a/drivers/media/IR/ene_ir.h
+++ b/drivers/media/IR/ene_ir.h
@@ -1,5 +1,5 @@
 /*
- * driver for ENE KB3926 B/C/D CIR (also known as ENE0100/ENE0200/ENE0201)
+ * driver for ENE KB3926 B/C/D CIR (also known as ENE0XXX)
  *
  * Copyright (C) 2010 Maxim Levitsky <maximlevitsky@gmail.com>
  *
@@ -19,8 +19,7 @@
  * USA
  */
 #include <linux/spinlock.h>
-#include <media/lirc.h>
-#include <media/lirc_dev.h>
+
 
 /* hardware address */
 #define ENE_STATUS              0       /* hardware status - unused */
@@ -88,7 +87,7 @@
 #define ENE_CIR_CONF1           0xFEC0
 #define ENE_CIR_CONF1_TX_CLEAR  0x01    /* clear that on revC */
                                         /* while transmitting */
-#define ENE_CIR_CONF1_RX_ON     0x07    /* normal reciever enabled */
+#define ENE_CIR_CONF1_RX_ON     0x07    /* normal receiver enabled */
 #define ENE_CIR_CONF1_LEARN1    0x08    /* enabled on learning mode */
 #define ENE_CIR_CONF1_TX_ON     0x30    /* enabled on transmit */
 #define ENE_CIR_CONF1_TX_CARR   0x80    /* send TX carrier or not */
@@ -112,7 +111,7 @@
 /* Unknown TX setting - TX sample period ??? */
 #define ENE_TX_UNK1             0xFECB  /* set to 0x63 */
 
-/* Current recieved carrier period */
+/* Current received carrier period */
 #define ENE_RX_CARRIER          0xFECC  /* RX period (500 ns) */
 #define ENE_RX_CARRIER_VALID    0x80    /* Register content valid */
 
@@ -124,6 +123,9 @@
 
 /* Hardware versions */
 #define ENE_HW_VERSION          0xFF00  /* hardware revision */
+#define ENE_PLLFRH              0xFF16
+#define ENE_PLLFRL              0xFF17
+
 #define ENE_HW_UNK              0xFF1D
 #define ENE_HW_UNK_CLR          0x04
 #define ENE_HW_VER_MAJOR        0xFF1E  /* chip version */
@@ -162,8 +164,7 @@
 
 /******************************************************************************/
 
-#define ENE_DRIVER_NAME         "enecir"
-#define ENE_TXBUF_SIZE (500 * sizeof(int))      /* 500 samples (arbitary) */
+#define ENE_DRIVER_NAME         "ene_ir"
 
 #define ENE_IRQ_RX              1
 #define ENE_IRQ_TX              2
@@ -188,7 +189,8 @@
 
 struct ene_device {
         struct pnp_dev *pnp_dev;
-        struct lirc_driver *lirc_driver;
+        struct input_dev *idev;
+        struct ir_dev_props *props;
         int in_use;
 
         /* hw IO settings */
@@ -198,43 +200,36 @@ struct ene_device {
 
         /* HW features */
         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 */
+        bool hw_learning_and_tx_capable;        /* learning capable */
+        bool hw_gpio40_learning;                /* gpio40 is learning */
+        bool hw_fan_as_normal_input;            /* fan input is used as */
                                                 /* regular input */
         /* HW state*/
         int rx_pointer;                         /* hw pointer to rx buffer */
-        int rx_fan_input_inuse;                 /* is fan input in use for rx*/
+        bool rx_fan_input_inuse;                /* is fan input in use for rx*/
         int tx_reg;                             /* current reg used for TX */
         u8  saved_conf1;                        /* saved FEC0 reg */
-        int learning_enabled;                   /* learning input enabled */
-
-        /* RX sample handling */
-        int rx_sample;                          /* current recieved sample */
-        int rx_sample_pulse;                    /* recieved sample is pulse */
-        int rx_idle;                            /* idle mode for RX activated */
-        struct timeval rx_gap_start;            /* time of start of idle */
-        int rx_timeout;                         /* time in ms of RX timeout */
-        int rx_send_timeout_packet;             /* do we send RX timeout */
-        int rx_timeout_sent;                    /* we sent the timeout packet */
-        int rx_carrier_sense;                   /* sense carrier */
 
         /* TX sample handling */
         unsigned int tx_sample;                 /* current sample for TX */
-        int tx_sample_pulse;                    /* current sample is pulse */
+        bool tx_sample_pulse;                   /* current sample is pulse */
 
         /* TX buffer */
-        int tx_buffer[ENE_TXBUF_SIZE];          /* input samples buffer*/
+        int *tx_buffer;                         /* input samples buffer*/
         int tx_pos;                             /* position in that bufer */
         int tx_len;                             /* current len of tx buffer */
-        int tx_underway;                        /* TX is under way*/
         int tx_done;                            /* done transmitting */
                                                 /* one more sample pending*/
         struct completion tx_complete;          /* TX completion */
         struct timer_list tx_sim_timer;
 
-        /*TX settings */
+        /* TX settings */
         int tx_period;
         int tx_duty_cycle;
         int transmitter_mask;
+
+        /* RX settings */
+        bool learning_enabled;                  /* learning input enabled */
+        bool carrier_detect_enabled;            /* carrier detect enabled */
+        int rx_period_adjust;
 };