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-rw-r--r--drivers/media/rc/Kconfig32
-rw-r--r--drivers/media/rc/Makefile2
-rw-r--r--drivers/media/rc/ati_remote.c15
-rw-r--r--drivers/media/rc/fintek-cir.c11
-rw-r--r--drivers/media/rc/iguanair.c247
-rw-r--r--drivers/media/rc/ir-lirc-codec.c35
-rw-r--r--drivers/media/rc/ir-nec-decoder.c4
-rw-r--r--drivers/media/rc/ir-raw.c6
-rw-r--r--drivers/media/rc/ir-rx51.c498
-rw-r--r--drivers/media/rc/ite-cir.c2
-rw-r--r--drivers/media/rc/keymaps/rc-tt-1500.c2
-rw-r--r--drivers/media/rc/mceusb.c30
-rw-r--r--drivers/media/rc/rc-loopback.c12
-rw-r--r--drivers/media/rc/redrat3.c5
-rw-r--r--drivers/media/rc/ttusbir.c447
-rw-r--r--drivers/media/rc/winbond-cir.c49
16 files changed, 1172 insertions, 225 deletions
diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig
index 8be57634ba60..79ba242fe263 100644
--- a/drivers/media/rc/Kconfig
+++ b/drivers/media/rc/Kconfig
@@ -265,12 +265,40 @@ config IR_IGUANA
depends on RC_CORE
select USB
---help---
- Say Y here if you want to use the IgaunaWorks USB IR Transceiver.
- Both infrared receive and send are supported.
+ Say Y here if you want to use the IguanaWorks USB IR Transceiver.
+ Both infrared receive and send are supported. If you want to
+ change the ID or the pin config, use the user space driver from
+ IguanaWorks.
+
+ Only firmware 0x0205 and later is supported.
To compile this driver as a module, choose M here: the module will
be called iguanair.
+config IR_TTUSBIR
+ tristate "TechnoTrend USB IR Receiver"
+ depends on USB_ARCH_HAS_HCD
+ depends on RC_CORE
+ select USB
+ select NEW_LEDS
+ select LEDS_CLASS
+ ---help---
+ Say Y here if you want to use the TechnoTrend USB IR Receiver. The
+ driver can control the led.
+
+ To compile this driver as a module, choose M here: the module will
+ be called ttusbir.
+
+config IR_RX51
+ tristate "Nokia N900 IR transmitter diode"
+ depends on OMAP_DM_TIMER && LIRC
+ ---help---
+ Say Y or M here if you want to enable support for the IR
+ transmitter diode built in the Nokia N900 (RX51) device.
+
+ The driver uses omap DM timers for generating the carrier
+ wave and pulses.
+
config RC_LOOPBACK
tristate "Remote Control Loopback Driver"
depends on RC_CORE
diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile
index f871d1986c21..56bacf07b361 100644
--- a/drivers/media/rc/Makefile
+++ b/drivers/media/rc/Makefile
@@ -23,8 +23,10 @@ obj-$(CONFIG_IR_FINTEK) += fintek-cir.o
obj-$(CONFIG_IR_NUVOTON) += nuvoton-cir.o
obj-$(CONFIG_IR_ENE) += ene_ir.o
obj-$(CONFIG_IR_REDRAT3) += redrat3.o
+obj-$(CONFIG_IR_RX51) += ir-rx51.o
obj-$(CONFIG_IR_STREAMZAP) += streamzap.o
obj-$(CONFIG_IR_WINBOND_CIR) += winbond-cir.o
obj-$(CONFIG_RC_LOOPBACK) += rc-loopback.o
obj-$(CONFIG_IR_GPIO_CIR) += gpio-ir-recv.o
obj-$(CONFIG_IR_IGUANA) += iguanair.o
+obj-$(CONFIG_IR_TTUSBIR) += ttusbir.o
diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index 8fa72e2dacb1..49bb356ed14c 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -331,13 +331,9 @@ static void ati_remote_dump(struct device *dev, unsigned char *data,
if (data[0] != (unsigned char)0xff && data[0] != 0x00)
dev_warn(dev, "Weird byte 0x%02x\n", data[0]);
} else if (len == 4)
- dev_warn(dev, "Weird key %02x %02x %02x %02x\n",
- data[0], data[1], data[2], data[3]);
+ dev_warn(dev, "Weird key %*ph\n", 4, data);
else
- dev_warn(dev,
- "Weird data, len=%d %02x %02x %02x %02x %02x %02x ...\n",
- len, data[0], data[1], data[2], data[3], data[4],
- data[5]);
+ dev_warn(dev, "Weird data, len=%d %*ph ...\n", len, 6, data);
}
/*
@@ -519,8 +515,7 @@ static void ati_remote_input_report(struct urb *urb)
if (data[1] != ((data[2] + data[3] + 0xd5) & 0xff)) {
dbginfo(&ati_remote->interface->dev,
- "wrong checksum in input: %02x %02x %02x %02x\n",
- data[0], data[1], data[2], data[3]);
+ "wrong checksum in input: %*ph\n", 4, data);
return;
}
@@ -942,8 +937,10 @@ static int ati_remote_probe(struct usb_interface *interface,
/* Set up and register mouse input device */
if (mouse) {
input_dev = input_allocate_device();
- if (!input_dev)
+ if (!input_dev) {
+ err = -ENOMEM;
goto fail4;
+ }
ati_remote->idev = input_dev;
ati_remote_input_init(ati_remote);
diff --git a/drivers/media/rc/fintek-cir.c b/drivers/media/rc/fintek-cir.c
index ab30c64f8124..52fd7696b1ba 100644
--- a/drivers/media/rc/fintek-cir.c
+++ b/drivers/media/rc/fintek-cir.c
@@ -295,6 +295,7 @@ static void fintek_process_rx_ir_data(struct fintek_dev *fintek)
{
DEFINE_IR_RAW_EVENT(rawir);
u8 sample;
+ bool event = false;
int i;
for (i = 0; i < fintek->pkts; i++) {
@@ -332,7 +333,9 @@ static void fintek_process_rx_ir_data(struct fintek_dev *fintek)
fit_dbg("Storing %s with duration %d",
rawir.pulse ? "pulse" : "space",
rawir.duration);
- ir_raw_event_store_with_filter(fintek->rdev, &rawir);
+ if (ir_raw_event_store_with_filter(fintek->rdev,
+ &rawir))
+ event = true;
break;
}
@@ -342,8 +345,10 @@ static void fintek_process_rx_ir_data(struct fintek_dev *fintek)
fintek->pkts = 0;
- fit_dbg("Calling ir_raw_event_handle");
- ir_raw_event_handle(fintek->rdev);
+ if (event) {
+ fit_dbg("Calling ir_raw_event_handle");
+ ir_raw_event_handle(fintek->rdev);
+ }
}
/* copy data from hardware rx register into driver buffer */
diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c
index 5e2eaf8ba73e..1e4c68a5cecf 100644
--- a/drivers/media/rc/iguanair.c
+++ b/drivers/media/rc/iguanair.c
@@ -35,9 +35,9 @@ struct iguanair {
struct device *dev;
struct usb_device *udev;
- int pipe_in, pipe_out;
+ int pipe_out;
+ uint16_t version;
uint8_t bufsize;
- uint8_t version[2];
struct mutex lock;
@@ -75,6 +75,7 @@ struct iguanair {
#define MAX_PACKET_SIZE 8u
#define TIMEOUT 1000
+#define RX_RESOLUTION 21333
struct packet {
uint16_t start;
@@ -82,11 +83,6 @@ struct packet {
uint8_t cmd;
};
-struct response_packet {
- struct packet header;
- uint8_t data[4];
-};
-
struct send_packet {
struct packet header;
uint8_t length;
@@ -100,6 +96,25 @@ static void process_ir_data(struct iguanair *ir, unsigned len)
{
if (len >= 4 && ir->buf_in[0] == 0 && ir->buf_in[1] == 0) {
switch (ir->buf_in[3]) {
+ case CMD_GET_VERSION:
+ if (len == 6) {
+ ir->version = (ir->buf_in[5] << 8) |
+ ir->buf_in[4];
+ complete(&ir->completion);
+ }
+ break;
+ case CMD_GET_BUFSIZE:
+ if (len >= 5) {
+ ir->bufsize = ir->buf_in[4];
+ complete(&ir->completion);
+ }
+ break;
+ case CMD_GET_FEATURES:
+ if (len > 5) {
+ ir->cycle_overhead = ir->buf_in[5];
+ complete(&ir->completion);
+ }
+ break;
case CMD_TX_OVERFLOW:
ir->tx_overflow = true;
case CMD_RECEIVER_OFF:
@@ -109,6 +124,7 @@ static void process_ir_data(struct iguanair *ir, unsigned len)
break;
case CMD_RX_OVERFLOW:
dev_warn(ir->dev, "receive overflow\n");
+ ir_raw_event_reset(ir->rc);
break;
default:
dev_warn(ir->dev, "control code %02x received\n",
@@ -118,6 +134,7 @@ static void process_ir_data(struct iguanair *ir, unsigned len)
} else if (len >= 7) {
DEFINE_IR_RAW_EVENT(rawir);
unsigned i;
+ bool event = false;
init_ir_raw_event(&rawir);
@@ -128,19 +145,22 @@ static void process_ir_data(struct iguanair *ir, unsigned len)
} else {
rawir.pulse = (ir->buf_in[i] & 0x80) == 0;
rawir.duration = ((ir->buf_in[i] & 0x7f) + 1) *
- 21330;
+ RX_RESOLUTION;
}
- ir_raw_event_store_with_filter(ir->rc, &rawir);
+ if (ir_raw_event_store_with_filter(ir->rc, &rawir))
+ event = true;
}
- ir_raw_event_handle(ir->rc);
+ if (event)
+ ir_raw_event_handle(ir->rc);
}
}
static void iguanair_rx(struct urb *urb)
{
struct iguanair *ir;
+ int rc;
if (!urb)
return;
@@ -166,34 +186,27 @@ static void iguanair_rx(struct urb *urb)
break;
}
- usb_submit_urb(urb, GFP_ATOMIC);
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+ if (rc && rc != -ENODEV)
+ dev_warn(ir->dev, "failed to resubmit urb: %d\n", rc);
}
-static int iguanair_send(struct iguanair *ir, void *data, unsigned size,
- struct response_packet *response, unsigned *res_len)
+static int iguanair_send(struct iguanair *ir, void *data, unsigned size)
{
- unsigned offset, len;
int rc, transferred;
- for (offset = 0; offset < size; offset += MAX_PACKET_SIZE) {
- len = min(size - offset, MAX_PACKET_SIZE);
-
- if (ir->tx_overflow)
- return -EOVERFLOW;
+ INIT_COMPLETION(ir->completion);
- rc = usb_interrupt_msg(ir->udev, ir->pipe_out, data + offset,
- len, &transferred, TIMEOUT);
- if (rc)
- return rc;
+ rc = usb_interrupt_msg(ir->udev, ir->pipe_out, data, size,
+ &transferred, TIMEOUT);
+ if (rc)
+ return rc;
- if (transferred != len)
- return -EIO;
- }
+ if (transferred != size)
+ return -EIO;
- if (response) {
- rc = usb_interrupt_msg(ir->udev, ir->pipe_in, response,
- sizeof(*response), res_len, TIMEOUT);
- }
+ if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0)
+ return -ETIMEDOUT;
return rc;
}
@@ -201,66 +214,43 @@ static int iguanair_send(struct iguanair *ir, void *data, unsigned size,
static int iguanair_get_features(struct iguanair *ir)
{
struct packet packet;
- struct response_packet response;
- int rc, len;
+ int rc;
packet.start = 0;
packet.direction = DIR_OUT;
packet.cmd = CMD_GET_VERSION;
- rc = iguanair_send(ir, &packet, sizeof(packet), &response, &len);
+ rc = iguanair_send(ir, &packet, sizeof(packet));
if (rc) {
dev_info(ir->dev, "failed to get version\n");
goto out;
}
- if (len != 6) {
- dev_info(ir->dev, "failed to get version\n");
- rc = -EIO;
+ if (ir->version < 0x205) {
+ dev_err(ir->dev, "firmware 0x%04x is too old\n", ir->version);
+ rc = -ENODEV;
goto out;
}
- ir->version[0] = response.data[0];
- ir->version[1] = response.data[1];
ir->bufsize = 150;
ir->cycle_overhead = 65;
packet.cmd = CMD_GET_BUFSIZE;
- rc = iguanair_send(ir, &packet, sizeof(packet), &response, &len);
+ rc = iguanair_send(ir, &packet, sizeof(packet));
if (rc) {
dev_info(ir->dev, "failed to get buffer size\n");
goto out;
}
- if (len != 5) {
- dev_info(ir->dev, "failed to get buffer size\n");
- rc = -EIO;
- goto out;
- }
-
- ir->bufsize = response.data[0];
-
- if (ir->version[0] == 0 || ir->version[1] == 0)
- goto out;
-
packet.cmd = CMD_GET_FEATURES;
- rc = iguanair_send(ir, &packet, sizeof(packet), &response, &len);
+ rc = iguanair_send(ir, &packet, sizeof(packet));
if (rc) {
dev_info(ir->dev, "failed to get features\n");
goto out;
}
- if (len < 5) {
- dev_info(ir->dev, "failed to get features\n");
- rc = -EIO;
- goto out;
- }
-
- if (len > 5 && ir->version[0] >= 4)
- ir->cycle_overhead = response.data[1];
-
out:
return rc;
}
@@ -269,17 +259,11 @@ static int iguanair_receiver(struct iguanair *ir, bool enable)
{
struct packet packet = { 0, DIR_OUT, enable ?
CMD_RECEIVER_ON : CMD_RECEIVER_OFF };
- int rc;
-
- INIT_COMPLETION(ir->completion);
- rc = iguanair_send(ir, &packet, sizeof(packet), NULL, NULL);
- if (rc)
- return rc;
-
- wait_for_completion_timeout(&ir->completion, TIMEOUT);
+ if (enable)
+ ir_raw_event_reset(ir->rc);
- return 0;
+ return iguanair_send(ir, &packet, sizeof(packet));
}
/*
@@ -350,26 +334,38 @@ static int iguanair_set_tx_mask(struct rc_dev *dev, uint32_t mask)
static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count)
{
struct iguanair *ir = dev->priv;
- uint8_t space, *payload;
- unsigned i, size, rc;
+ uint8_t space;
+ unsigned i, size, periods, bytes;
+ int rc;
struct send_packet *packet;
mutex_lock(&ir->lock);
- /* convert from us to carrier periods */
- for (i = size = 0; i < count; i++) {
- txbuf[i] = DIV_ROUND_CLOSEST(txbuf[i] * ir->carrier, 1000000);
- size += (txbuf[i] + 126) / 127;
- }
-
- packet = kmalloc(sizeof(*packet) + size, GFP_KERNEL);
+ packet = kmalloc(sizeof(*packet) + ir->bufsize, GFP_KERNEL);
if (!packet) {
rc = -ENOMEM;
goto out;
}
- if (size > ir->bufsize) {
- rc = -E2BIG;
+ /* convert from us to carrier periods */
+ for (i = space = size = 0; i < count; i++) {
+ periods = DIV_ROUND_CLOSEST(txbuf[i] * ir->carrier, 1000000);
+ bytes = DIV_ROUND_UP(periods, 127);
+ if (size + bytes > ir->bufsize) {
+ count = i;
+ break;
+ }
+ while (periods > 127) {
+ packet->payload[size++] = 127 | space;
+ periods -= 127;
+ }
+
+ packet->payload[size++] = periods | space;
+ space ^= 0x80;
+ }
+
+ if (count == 0) {
+ rc = -EINVAL;
goto out;
}
@@ -381,21 +377,6 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count)
packet->busy7 = ir->busy7;
packet->busy4 = ir->busy4;
- space = 0;
- payload = packet->payload;
-
- for (i = 0; i < count; i++) {
- unsigned periods = txbuf[i];
-
- while (periods > 127) {
- *payload++ = 127 | space;
- periods -= 127;
- }
-
- *payload++ = periods | space;
- space ^= 0x80;
- }
-
if (ir->receiver_on) {
rc = iguanair_receiver(ir, false);
if (rc) {
@@ -406,17 +387,10 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count)
ir->tx_overflow = false;
- INIT_COMPLETION(ir->completion);
+ rc = iguanair_send(ir, packet, size + 8);
- rc = iguanair_send(ir, packet, size + 8, NULL, NULL);
-
- if (rc == 0) {
- wait_for_completion_timeout(&ir->completion, TIMEOUT);
- if (ir->tx_overflow)
- rc = -EOVERFLOW;
- }
-
- ir->tx_overflow = false;
+ if (rc == 0 && ir->tx_overflow)
+ rc = -EOVERFLOW;
if (ir->receiver_on) {
if (iguanair_receiver(ir, true))
@@ -424,10 +398,10 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count)
}
out:
- mutex_unlock(&ir->lock);
kfree(packet);
+ mutex_unlock(&ir->lock);
- return rc;
+ return rc ? rc : count;
}
static int iguanair_open(struct rc_dev *rdev)
@@ -437,8 +411,6 @@ static int iguanair_open(struct rc_dev *rdev)
mutex_lock(&ir->lock);
- usb_submit_urb(ir->urb_in, GFP_KERNEL);
-
BUG_ON(ir->receiver_on);
rc = iguanair_receiver(ir, true);
@@ -459,11 +431,9 @@ static void iguanair_close(struct rc_dev *rdev)
rc = iguanair_receiver(ir, false);
ir->receiver_on = false;
- if (rc)
+ if (rc && rc != -ENODEV)
dev_warn(ir->dev, "failed to disable receiver: %d\n", rc);
- usb_kill_urb(ir->urb_in);
-
mutex_unlock(&ir->lock);
}
@@ -473,22 +443,22 @@ static int __devinit iguanair_probe(struct usb_interface *intf,
struct usb_device *udev = interface_to_usbdev(intf);
struct iguanair *ir;
struct rc_dev *rc;
- int ret;
+ int ret, pipein;
struct usb_host_interface *idesc;
ir = kzalloc(sizeof(*ir), GFP_KERNEL);
rc = rc_allocate_device();
if (!ir || !rc) {
- ret = ENOMEM;
+ ret = -ENOMEM;
goto out;
}
- ir->buf_in = usb_alloc_coherent(udev, MAX_PACKET_SIZE, GFP_ATOMIC,
+ ir->buf_in = usb_alloc_coherent(udev, MAX_PACKET_SIZE, GFP_KERNEL,
&ir->dma_in);
ir->urb_in = usb_alloc_urb(0, GFP_KERNEL);
if (!ir->buf_in || !ir->urb_in) {
- ret = ENOMEM;
+ ret = -ENOMEM;
goto out;
}
@@ -502,28 +472,29 @@ static int __devinit iguanair_probe(struct usb_interface *intf,
ir->rc = rc;
ir->dev = &intf->dev;
ir->udev = udev;
- ir->pipe_in = usb_rcvintpipe(udev,
- idesc->endpoint[0].desc.bEndpointAddress);
ir->pipe_out = usb_sndintpipe(udev,
idesc->endpoint[1].desc.bEndpointAddress);
mutex_init(&ir->lock);
init_completion(&ir->completion);
- ret = iguanair_get_features(ir);
+ pipein = usb_rcvintpipe(udev, idesc->endpoint[0].desc.bEndpointAddress);
+ usb_fill_int_urb(ir->urb_in, udev, pipein, ir->buf_in, MAX_PACKET_SIZE,
+ iguanair_rx, ir, 1);
+ ir->urb_in->transfer_dma = ir->dma_in;
+ ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+ ret = usb_submit_urb(ir->urb_in, GFP_KERNEL);
if (ret) {
- dev_warn(&intf->dev, "failed to get device features");
+ dev_warn(&intf->dev, "failed to submit urb: %d\n", ret);
goto out;
}
- usb_fill_int_urb(ir->urb_in, ir->udev, ir->pipe_in, ir->buf_in,
- MAX_PACKET_SIZE, iguanair_rx, ir,
- idesc->endpoint[0].desc.bInterval);
- ir->urb_in->transfer_dma = ir->dma_in;
- ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ ret = iguanair_get_features(ir);
+ if (ret)
+ goto out2;
snprintf(ir->name, sizeof(ir->name),
- "IguanaWorks USB IR Transceiver version %d.%d",
- ir->version[0], ir->version[1]);
+ "IguanaWorks USB IR Transceiver version 0x%04x", ir->version);
usb_make_path(ir->udev, ir->phys, sizeof(ir->phys));
@@ -540,21 +511,23 @@ static int __devinit iguanair_probe(struct usb_interface *intf,
rc->s_tx_carrier = iguanair_set_tx_carrier;
rc->tx_ir = iguanair_tx;
rc->driver_name = DRIVER_NAME;
- rc->map_name = RC_MAP_EMPTY;
+ rc->map_name = RC_MAP_RC6_MCE;
+ rc->timeout = MS_TO_NS(100);
+ rc->rx_resolution = RX_RESOLUTION;
iguanair_set_tx_carrier(rc, 38000);
ret = rc_register_device(rc);
if (ret < 0) {
dev_err(&intf->dev, "failed to register rc device %d", ret);
- goto out;
+ goto out2;
}
usb_set_intfdata(intf, ir);
- dev_info(&intf->dev, "Registered %s", ir->name);
-
return 0;
+out2:
+ usb_kill_urb(ir->urb_in);
out:
if (ir) {
usb_free_urb(ir->urb_in);
@@ -570,12 +543,11 @@ static void __devexit iguanair_disconnect(struct usb_interface *intf)
{
struct iguanair *ir = usb_get_intfdata(intf);
+ rc_unregister_device(ir->rc);
usb_set_intfdata(intf, NULL);
-
usb_kill_urb(ir->urb_in);
usb_free_urb(ir->urb_in);
usb_free_coherent(ir->udev, MAX_PACKET_SIZE, ir->buf_in, ir->dma_in);
- rc_unregister_device(ir->rc);
kfree(ir);
}
@@ -592,6 +564,8 @@ static int iguanair_suspend(struct usb_interface *intf, pm_message_t message)
dev_warn(ir->dev, "failed to disable receiver for suspend\n");
}
+ usb_kill_urb(ir->urb_in);
+
mutex_unlock(&ir->lock);
return rc;
@@ -604,6 +578,10 @@ static int iguanair_resume(struct usb_interface *intf)
mutex_lock(&ir->lock);
+ rc = usb_submit_urb(ir->urb_in, GFP_KERNEL);
+ if (rc)
+ dev_warn(&intf->dev, "failed to submit urb: %d\n", rc);
+
if (ir->receiver_on) {
rc = iguanair_receiver(ir, true);
if (rc)
@@ -627,7 +605,8 @@ static struct usb_driver iguanair_driver = {
.suspend = iguanair_suspend,
.resume = iguanair_resume,
.reset_resume = iguanair_resume,
- .id_table = iguanair_table
+ .id_table = iguanair_table,
+ .soft_unbind = 1 /* we want to disable receiver on unbind */
};
module_usb_driver(iguanair_driver);
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index 5faba2a2fdd3..569124b03de3 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -105,8 +105,14 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf,
struct lirc_codec *lirc;
struct rc_dev *dev;
unsigned int *txbuf; /* buffer with values to transmit */
- ssize_t ret = 0;
+ ssize_t ret = -EINVAL;
size_t count;
+ ktime_t start;
+ s64 towait;
+ unsigned int duration = 0; /* signal duration in us */
+ int i;
+
+ start = ktime_get();
lirc = lirc_get_pdata(file);
if (!lirc)
@@ -129,11 +135,30 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf,
goto out;
}
- if (dev->tx_ir)
- ret = dev->tx_ir(dev, txbuf, count);
+ if (!dev->tx_ir) {
+ ret = -ENOSYS;
+ goto out;
+ }
+
+ ret = dev->tx_ir(dev, txbuf, count);
+ if (ret < 0)
+ goto out;
+
+ for (i = 0; i < ret; i++)
+ duration += txbuf[i];
- if (ret > 0)
- ret *= sizeof(unsigned);
+ ret *= sizeof(unsigned int);
+
+ /*
+ * The lircd gap calculation expects the write function to
+ * wait for the actual IR signal to be transmitted before
+ * returning.
+ */
+ towait = ktime_us_delta(ktime_add_us(start, duration), ktime_get());
+ if (towait > 0) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(usecs_to_jiffies(towait));
+ }
out:
kfree(txbuf);
diff --git a/drivers/media/rc/ir-nec-decoder.c b/drivers/media/rc/ir-nec-decoder.c
index 3c9431a9f62d..2ca509e6e16b 100644
--- a/drivers/media/rc/ir-nec-decoder.c
+++ b/drivers/media/rc/ir-nec-decoder.c
@@ -70,7 +70,7 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev)
if (!ev.pulse)
break;
- if (eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT / 2)) {
+ if (eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT * 2)) {
data->is_nec_x = false;
data->necx_repeat = false;
} else if (eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2))
@@ -86,7 +86,7 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev)
if (ev.pulse)
break;
- if (eq_margin(ev.duration, NEC_HEADER_SPACE, NEC_UNIT / 2)) {
+ if (eq_margin(ev.duration, NEC_HEADER_SPACE, NEC_UNIT)) {
data->state = STATE_BIT_PULSE;
return 0;
} else if (eq_margin(ev.duration, NEC_REPEAT_SPACE, NEC_UNIT / 2)) {
diff --git a/drivers/media/rc/ir-raw.c b/drivers/media/rc/ir-raw.c
index a82025121345..97dc8d13b06b 100644
--- a/drivers/media/rc/ir-raw.c
+++ b/drivers/media/rc/ir-raw.c
@@ -157,7 +157,9 @@ EXPORT_SYMBOL_GPL(ir_raw_event_store_edge);
* This routine (which may be called from an interrupt context) works
* in similar manner to ir_raw_event_store_edge.
* This routine is intended for devices with limited internal buffer
- * It automerges samples of same type, and handles timeouts
+ * It automerges samples of same type, and handles timeouts. Returns non-zero
+ * if the event was added, and zero if the event was ignored due to idle
+ * processing.
*/
int ir_raw_event_store_with_filter(struct rc_dev *dev, struct ir_raw_event *ev)
{
@@ -184,7 +186,7 @@ int ir_raw_event_store_with_filter(struct rc_dev *dev, struct ir_raw_event *ev)
dev->raw->this_ev.duration >= dev->timeout)
ir_raw_event_set_idle(dev, true);
- return 0;
+ return 1;
}
EXPORT_SYMBOL_GPL(ir_raw_event_store_with_filter);
diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c
new file mode 100644
index 000000000000..546199e9ccc7
--- /dev/null
+++ b/drivers/media/rc/ir-rx51.c
@@ -0,0 +1,498 @@
+/*
+ * Copyright (C) 2008 Nokia Corporation
+ *
+ * Based on lirc_serial.c
+ *
+ * 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/module.h>
+#include <linux/interrupt.h>
+#include <linux/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/wait.h>
+
+#include <plat/dmtimer.h>
+#include <plat/clock.h>
+#include <plat/omap-pm.h>
+
+#include <media/lirc.h>
+#include <media/lirc_dev.h>
+#include <media/ir-rx51.h>
+
+#define LIRC_RX51_DRIVER_FEATURES (LIRC_CAN_SET_SEND_DUTY_CYCLE | \
+ LIRC_CAN_SET_SEND_CARRIER | \
+ LIRC_CAN_SEND_PULSE)
+
+#define DRIVER_NAME "lirc_rx51"
+
+#define WBUF_LEN 256
+
+#define TIMER_MAX_VALUE 0xffffffff
+
+struct lirc_rx51 {
+ struct omap_dm_timer *pwm_timer;
+ struct omap_dm_timer *pulse_timer;
+ struct device *dev;
+ struct lirc_rx51_platform_data *pdata;
+ wait_queue_head_t wqueue;
+
+ unsigned long fclk_khz;
+ unsigned int freq; /* carrier frequency */
+ unsigned int duty_cycle; /* carrier duty cycle */
+ unsigned int irq_num;
+ unsigned int match;
+ int wbuf[WBUF_LEN];
+ int wbuf_index;
+ unsigned long device_is_open;
+ int pwm_timer_num;
+};
+
+static void lirc_rx51_on(struct lirc_rx51 *lirc_rx51)
+{
+ omap_dm_timer_set_pwm(lirc_rx51->pwm_timer, 0, 1,
+ OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE);
+}
+
+static void lirc_rx51_off(struct lirc_rx51 *lirc_rx51)
+{
+ omap_dm_timer_set_pwm(lirc_rx51->pwm_timer, 0, 1,
+ OMAP_TIMER_TRIGGER_NONE);
+}
+
+static int init_timing_params(struct lirc_rx51 *lirc_rx51)
+{
+ u32 load, match;
+
+ load = -(lirc_rx51->fclk_khz * 1000 / lirc_rx51->freq);
+ match = -(lirc_rx51->duty_cycle * -load / 100);
+ omap_dm_timer_set_load(lirc_rx51->pwm_timer, 1, load);
+ omap_dm_timer_set_match(lirc_rx51->pwm_timer, 1, match);
+ omap_dm_timer_write_counter(lirc_rx51->pwm_timer, TIMER_MAX_VALUE - 2);
+ omap_dm_timer_start(lirc_rx51->pwm_timer);
+ omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0);
+ omap_dm_timer_start(lirc_rx51->pulse_timer);
+
+ lirc_rx51->match = 0;
+
+ return 0;
+}
+
+#define tics_after(a, b) ((long)(b) - (long)(a) < 0)
+
+static int pulse_timer_set_timeout(struct lirc_rx51 *lirc_rx51, int usec)
+{
+ int counter;
+
+ BUG_ON(usec < 0);
+
+ if (lirc_rx51->match == 0)
+ counter = omap_dm_timer_read_counter(lirc_rx51->pulse_timer);
+ else
+ counter = lirc_rx51->match;
+
+ counter += (u32)(lirc_rx51->fclk_khz * usec / (1000));
+ omap_dm_timer_set_match(lirc_rx51->pulse_timer, 1, counter);
+ omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer,
+ OMAP_TIMER_INT_MATCH);
+ if (tics_after(omap_dm_timer_read_counter(lirc_rx51->pulse_timer),
+ counter)) {
+ return 1;
+ }
+ return 0;
+}
+
+static irqreturn_t lirc_rx51_interrupt_handler(int irq, void *ptr)
+{
+ unsigned int retval;
+ struct lirc_rx51 *lirc_rx51 = ptr;
+
+ retval = omap_dm_timer_read_status(lirc_rx51->pulse_timer);
+ if (!retval)
+ return IRQ_NONE;
+
+ if (retval & ~OMAP_TIMER_INT_MATCH)
+ dev_err_ratelimited(lirc_rx51->dev,
+ ": Unexpected interrupt source: %x\n", retval);
+
+ omap_dm_timer_write_status(lirc_rx51->pulse_timer,
+ OMAP_TIMER_INT_MATCH |
+ OMAP_TIMER_INT_OVERFLOW |
+ OMAP_TIMER_INT_CAPTURE);
+ if (lirc_rx51->wbuf_index < 0) {
+ dev_err_ratelimited(lirc_rx51->dev,
+ ": BUG wbuf_index has value of %i\n",
+ lirc_rx51->wbuf_index);
+ goto end;
+ }
+
+ /*
+ * If we happen to hit an odd latency spike, loop through the
+ * pulses until we catch up.
+ */
+ do {
+ if (lirc_rx51->wbuf_index >= WBUF_LEN)
+ goto end;
+ if (lirc_rx51->wbuf[lirc_rx51->wbuf_index] == -1)
+ goto end;
+
+ if (lirc_rx51->wbuf_index % 2)
+ lirc_rx51_off(lirc_rx51);
+ else
+ lirc_rx51_on(lirc_rx51);
+
+ retval = pulse_timer_set_timeout(lirc_rx51,
+ lirc_rx51->wbuf[lirc_rx51->wbuf_index]);
+ lirc_rx51->wbuf_index++;
+
+ } while (retval);
+
+ return IRQ_HANDLED;
+end:
+ /* Stop TX here */
+ lirc_rx51_off(lirc_rx51);
+ lirc_rx51->wbuf_index = -1;
+ omap_dm_timer_stop(lirc_rx51->pwm_timer);
+ omap_dm_timer_stop(lirc_rx51->pulse_timer);
+ omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0);
+ wake_up_interruptible(&lirc_rx51->wqueue);
+
+ return IRQ_HANDLED;
+}
+
+static int lirc_rx51_init_port(struct lirc_rx51 *lirc_rx51)
+{
+ struct clk *clk_fclk;
+ int retval, pwm_timer = lirc_rx51->pwm_timer_num;
+
+ lirc_rx51->pwm_timer = omap_dm_timer_request_specific(pwm_timer);
+ if (lirc_rx51->pwm_timer == NULL) {
+ dev_err(lirc_rx51->dev, ": Error requesting GPT%d timer\n",
+ pwm_timer);
+ return -EBUSY;
+ }
+
+ lirc_rx51->pulse_timer = omap_dm_timer_request();
+ if (lirc_rx51->pulse_timer == NULL) {
+ dev_err(lirc_rx51->dev, ": Error requesting pulse timer\n");
+ retval = -EBUSY;
+ goto err1;
+ }
+
+ omap_dm_timer_set_source(lirc_rx51->pwm_timer, OMAP_TIMER_SRC_SYS_CLK);
+ omap_dm_timer_set_source(lirc_rx51->pulse_timer,
+ OMAP_TIMER_SRC_SYS_CLK);
+
+ omap_dm_timer_enable(lirc_rx51->pwm_timer);
+ omap_dm_timer_enable(lirc_rx51->pulse_timer);
+
+ lirc_rx51->irq_num = omap_dm_timer_get_irq(lirc_rx51->pulse_timer);
+ retval = request_irq(lirc_rx51->irq_num, lirc_rx51_interrupt_handler,
+ IRQF_DISABLED | IRQF_SHARED,
+ "lirc_pulse_timer", lirc_rx51);
+ if (retval) {
+ dev_err(lirc_rx51->dev, ": Failed to request interrupt line\n");
+ goto err2;
+ }
+
+ clk_fclk = omap_dm_timer_get_fclk(lirc_rx51->pwm_timer);
+ lirc_rx51->fclk_khz = clk_fclk->rate / 1000;
+
+ return 0;
+
+err2:
+ omap_dm_timer_free(lirc_rx51->pulse_timer);
+err1:
+ omap_dm_timer_free(lirc_rx51->pwm_timer);
+
+ return retval;
+}
+
+static int lirc_rx51_free_port(struct lirc_rx51 *lirc_rx51)
+{
+ omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0);
+ free_irq(lirc_rx51->irq_num, lirc_rx51);
+ lirc_rx51_off(lirc_rx51);
+ omap_dm_timer_disable(lirc_rx51->pwm_timer);
+ omap_dm_timer_disable(lirc_rx51->pulse_timer);
+ omap_dm_timer_free(lirc_rx51->pwm_timer);
+ omap_dm_timer_free(lirc_rx51->pulse_timer);
+ lirc_rx51->wbuf_index = -1;
+
+ return 0;
+}
+
+static ssize_t lirc_rx51_write(struct file *file, const char *buf,
+ size_t n, loff_t *ppos)
+{
+ int count, i;
+ struct lirc_rx51 *lirc_rx51 = file->private_data;
+
+ if (n % sizeof(int))
+ return -EINVAL;
+
+ count = n / sizeof(int);
+ if ((count > WBUF_LEN) || (count % 2 == 0))
+ return -EINVAL;
+
+ /* Wait any pending transfers to finish */
+ wait_event_interruptible(lirc_rx51->wqueue, lirc_rx51->wbuf_index < 0);
+
+ if (copy_from_user(lirc_rx51->wbuf, buf, n))
+ return -EFAULT;
+
+ /* Sanity check the input pulses */
+ for (i = 0; i < count; i++)
+ if (lirc_rx51->wbuf[i] < 0)
+ return -EINVAL;
+
+ init_timing_params(lirc_rx51);
+ if (count < WBUF_LEN)
+ lirc_rx51->wbuf[count] = -1; /* Insert termination mark */
+
+ /*
+ * Adjust latency requirements so the device doesn't go in too
+ * deep sleep states
+ */
+ lirc_rx51->pdata->set_max_mpu_wakeup_lat(lirc_rx51->dev, 50);
+
+ lirc_rx51_on(lirc_rx51);
+ lirc_rx51->wbuf_index = 1;
+ pulse_timer_set_timeout(lirc_rx51, lirc_rx51->wbuf[0]);
+
+ /*
+ * Don't return back to the userspace until the transfer has
+ * finished
+ */
+ wait_event_interruptible(lirc_rx51->wqueue, lirc_rx51->wbuf_index < 0);
+
+ /* We can sleep again */
+ lirc_rx51->pdata->set_max_mpu_wakeup_lat(lirc_rx51->dev, -1);
+
+ return n;
+}
+
+static long lirc_rx51_ioctl(struct file *filep,
+ unsigned int cmd, unsigned long arg)
+{
+ int result;
+ unsigned long value;
+ unsigned int ivalue;
+ struct lirc_rx51 *lirc_rx51 = filep->private_data;
+
+ switch (cmd) {
+ case LIRC_GET_SEND_MODE:
+ result = put_user(LIRC_MODE_PULSE, (unsigned long *)arg);
+ if (result)
+ return result;
+ break;
+
+ case LIRC_SET_SEND_MODE:
+ result = get_user(value, (unsigned long *)arg);
+ if (result)
+ return result;
+
+ /* only LIRC_MODE_PULSE supported */
+ if (value != LIRC_MODE_PULSE)
+ return -ENOSYS;
+ break;
+
+ case LIRC_GET_REC_MODE:
+ result = put_user(0, (unsigned long *) arg);
+ if (result)
+ return result;
+ break;
+
+ case LIRC_GET_LENGTH:
+ return -ENOSYS;
+ break;
+
+ case LIRC_SET_SEND_DUTY_CYCLE:
+ result = get_user(ivalue, (unsigned int *) arg);
+ if (result)
+ return result;
+
+ if (ivalue <= 0 || ivalue > 100) {
+ dev_err(lirc_rx51->dev, ": invalid duty cycle %d\n",
+ ivalue);
+ return -EINVAL;
+ }
+
+ lirc_rx51->duty_cycle = ivalue;
+ break;
+
+ case LIRC_SET_SEND_CARRIER:
+ result = get_user(ivalue, (unsigned int *) arg);
+ if (result)
+ return result;
+
+ if (ivalue > 500000 || ivalue < 20000) {
+ dev_err(lirc_rx51->dev, ": invalid carrier freq %d\n",
+ ivalue);
+ return -EINVAL;
+ }
+
+ lirc_rx51->freq = ivalue;
+ break;
+
+ case LIRC_GET_FEATURES:
+ result = put_user(LIRC_RX51_DRIVER_FEATURES,
+ (unsigned long *) arg);
+ if (result)
+ return result;
+ break;
+
+ default:
+ return -ENOIOCTLCMD;
+ }
+
+ return 0;
+}
+
+static int lirc_rx51_open(struct inode *inode, struct file *file)
+{
+ struct lirc_rx51 *lirc_rx51 = lirc_get_pdata(file);
+ BUG_ON(!lirc_rx51);
+
+ file->private_data = lirc_rx51;
+
+ if (test_and_set_bit(1, &lirc_rx51->device_is_open))
+ return -EBUSY;
+
+ return lirc_rx51_init_port(lirc_rx51);
+}
+
+static int lirc_rx51_release(struct inode *inode, struct file *file)
+{
+ struct lirc_rx51 *lirc_rx51 = file->private_data;
+
+ lirc_rx51_free_port(lirc_rx51);
+
+ clear_bit(1, &lirc_rx51->device_is_open);
+
+ return 0;
+}
+
+static struct lirc_rx51 lirc_rx51 = {
+ .freq = 38000,
+ .duty_cycle = 50,
+ .wbuf_index = -1,
+};
+
+static const struct file_operations lirc_fops = {
+ .owner = THIS_MODULE,
+ .write = lirc_rx51_write,
+ .unlocked_ioctl = lirc_rx51_ioctl,
+ .read = lirc_dev_fop_read,
+ .poll = lirc_dev_fop_poll,
+ .open = lirc_rx51_open,
+ .release = lirc_rx51_release,
+};
+
+static struct lirc_driver lirc_rx51_driver = {
+ .name = DRIVER_NAME,
+ .minor = -1,
+ .code_length = 1,
+ .data = &lirc_rx51,
+ .fops = &lirc_fops,
+ .owner = THIS_MODULE,
+};
+
+#ifdef CONFIG_PM
+
+static int lirc_rx51_suspend(struct platform_device *dev, pm_message_t state)
+{
+ /*
+ * In case the device is still open, do not suspend. Normally
+ * this should not be a problem as lircd only keeps the device
+ * open only for short periods of time. We also don't want to
+ * get involved with race conditions that might happen if we
+ * were in a middle of a transmit. Thus, we defer any suspend
+ * actions until transmit has completed.
+ */
+ if (test_and_set_bit(1, &lirc_rx51.device_is_open))
+ return -EAGAIN;
+
+ clear_bit(1, &lirc_rx51.device_is_open);
+
+ return 0;
+}
+
+static int lirc_rx51_resume(struct platform_device *dev)
+{
+ return 0;
+}
+
+#else
+
+#define lirc_rx51_suspend NULL
+#define lirc_rx51_resume NULL
+
+#endif /* CONFIG_PM */
+
+static int __devinit lirc_rx51_probe(struct platform_device *dev)
+{
+ lirc_rx51_driver.features = LIRC_RX51_DRIVER_FEATURES;
+ lirc_rx51.pdata = dev->dev.platform_data;
+ lirc_rx51.pwm_timer_num = lirc_rx51.pdata->pwm_timer;
+ lirc_rx51.dev = &dev->dev;
+ lirc_rx51_driver.dev = &dev->dev;
+ lirc_rx51_driver.minor = lirc_register_driver(&lirc_rx51_driver);
+ init_waitqueue_head(&lirc_rx51.wqueue);
+
+ if (lirc_rx51_driver.minor < 0) {
+ dev_err(lirc_rx51.dev, ": lirc_register_driver failed: %d\n",
+ lirc_rx51_driver.minor);
+ return lirc_rx51_driver.minor;
+ }
+ dev_info(lirc_rx51.dev, "registration ok, minor: %d, pwm: %d\n",
+ lirc_rx51_driver.minor, lirc_rx51.pwm_timer_num);
+
+ return 0;
+}
+
+static int __exit lirc_rx51_remove(struct platform_device *dev)
+{
+ return lirc_unregister_driver(lirc_rx51_driver.minor);
+}
+
+struct platform_driver lirc_rx51_platform_driver = {
+ .probe = lirc_rx51_probe,
+ .remove = __exit_p(lirc_rx51_remove),
+ .suspend = lirc_rx51_suspend,
+ .resume = lirc_rx51_resume,
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init lirc_rx51_init(void)
+{
+ return platform_driver_register(&lirc_rx51_platform_driver);
+}
+module_init(lirc_rx51_init);
+
+static void __exit lirc_rx51_exit(void)
+{
+ platform_driver_unregister(&lirc_rx51_platform_driver);
+}
+module_exit(lirc_rx51_exit);
+
+MODULE_DESCRIPTION("LIRC TX driver for Nokia RX51");
+MODULE_AUTHOR("Nokia Corporation");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index 36fe5a349b95..24c77a42fc36 100644
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -1473,6 +1473,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
rdev = rc_allocate_device();
if (!rdev)
goto failure;
+ itdev->rdev = rdev;
ret = -ENODEV;
@@ -1604,7 +1605,6 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
if (ret)
goto failure3;
- itdev->rdev = rdev;
ite_pr(KERN_NOTICE, "driver has been successfully loaded\n");
return 0;
diff --git a/drivers/media/rc/keymaps/rc-tt-1500.c b/drivers/media/rc/keymaps/rc-tt-1500.c
index caeff85603e3..80217ffc91db 100644
--- a/drivers/media/rc/keymaps/rc-tt-1500.c
+++ b/drivers/media/rc/keymaps/rc-tt-1500.c
@@ -61,7 +61,7 @@ static struct rc_map_list tt_1500_map = {
.map = {
.scan = tt_1500,
.size = ARRAY_SIZE(tt_1500),
- .rc_type = RC_TYPE_UNKNOWN, /* Legacy IR type */
+ .rc_type = RC_TYPE_RC5,
.name = RC_MAP_TT_1500,
}
};
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index f38d9a8c6880..850547fe711c 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -627,7 +627,7 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
break;
case MCE_RSP_EQIRCFS:
period = DIV_ROUND_CLOSEST(
- (1 << data1 * 2) * (data2 + 1), 10);
+ (1U << data1 * 2) * (data2 + 1), 10);
if (!period)
break;
carrier = (1000 * 1000) / period;
@@ -791,10 +791,6 @@ static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
int i, ret = 0;
int cmdcount = 0;
unsigned char *cmdbuf; /* MCE command buffer */
- long signal_duration = 0; /* Singnal length in us */
- struct timeval start_time, end_time;
-
- do_gettimeofday(&start_time);
cmdbuf = kzalloc(sizeof(unsigned) * MCE_CMDBUF_SIZE, GFP_KERNEL);
if (!cmdbuf)
@@ -807,7 +803,6 @@ static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
/* Generate mce packet data */
for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) {
- signal_duration += txbuf[i];
txbuf[i] = txbuf[i] / MCE_TIME_UNIT;
do { /* loop to support long pulses/spaces > 127*50us=6.35ms */
@@ -850,19 +845,6 @@ static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
/* Transmit the command to the mce device */
mce_async_out(ir, cmdbuf, cmdcount);
- /*
- * The lircd gap calculation expects the write function to
- * wait the time it takes for the ircommand to be sent before
- * it returns.
- */
- do_gettimeofday(&end_time);
- signal_duration -= (end_time.tv_usec - start_time.tv_usec) +
- (end_time.tv_sec - start_time.tv_sec) * 1000000;
-
- /* delay with the closest number of ticks */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(usecs_to_jiffies(signal_duration));
-
out:
kfree(cmdbuf);
return ret ? ret : count;
@@ -974,6 +956,7 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index)
static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
{
DEFINE_IR_RAW_EVENT(rawir);
+ bool event = false;
int i = 0;
/* skip meaningless 0xb1 0x60 header bytes on orig receiver */
@@ -1004,7 +987,8 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
rawir.pulse ? "pulse" : "space",
rawir.duration);
- ir_raw_event_store_with_filter(ir->rc, &rawir);
+ if (ir_raw_event_store_with_filter(ir->rc, &rawir))
+ event = true;
break;
case CMD_DATA:
ir->rem--;
@@ -1032,8 +1016,10 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
if (ir->parser_state != CMD_HEADER && !ir->rem)
ir->parser_state = CMD_HEADER;
}
- mce_dbg(ir->dev, "processed IR data, calling ir_raw_event_handle\n");
- ir_raw_event_handle(ir->rc);
+ if (event) {
+ mce_dbg(ir->dev, "processed IR data, calling ir_raw_event_handle\n");
+ ir_raw_event_handle(ir->rc);
+ }
}
static void mceusb_dev_recv(struct urb *urb)
diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c
index fae1615e0ff2..f9be68132c67 100644
--- a/drivers/media/rc/rc-loopback.c
+++ b/drivers/media/rc/rc-loopback.c
@@ -105,18 +105,9 @@ static int loop_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
{
struct loopback_dev *lodev = dev->priv;
u32 rxmask;
- unsigned total_duration = 0;
unsigned i;
DEFINE_IR_RAW_EVENT(rawir);
- for (i = 0; i < count; i++)
- total_duration += abs(txbuf[i]);
-
- if (total_duration == 0) {
- dprintk("invalid tx data, total duration zero\n");
- return -EINVAL;
- }
-
if (lodev->txcarrier < lodev->rxcarriermin ||
lodev->txcarrier > lodev->rxcarriermax) {
dprintk("ignoring tx, carrier out of range\n");
@@ -148,9 +139,6 @@ static int loop_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
ir_raw_event_handle(dev);
out:
- /* Lirc expects this function to take as long as the total duration */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(usecs_to_jiffies(total_duration));
return count;
}
diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 2878b0ed9741..49731b1a9c57 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -1217,9 +1217,10 @@ static int __devinit redrat3_dev_probe(struct usb_interface *intf,
rr3->carrier = 38000;
rr3->rc = redrat3_init_rc_dev(rr3);
- if (!rr3->rc)
+ if (!rr3->rc) {
+ retval = -ENOMEM;
goto error;
-
+ }
setup_timer(&rr3->rx_timeout, redrat3_rx_timeout, (unsigned long)rr3);
/* we can register the device now, as it is ready */
diff --git a/drivers/media/rc/ttusbir.c b/drivers/media/rc/ttusbir.c
new file mode 100644
index 000000000000..fef05235234a
--- /dev/null
+++ b/drivers/media/rc/ttusbir.c
@@ -0,0 +1,447 @@
+/*
+ * TechnoTrend USB IR Receiver
+ *
+ * Copyright (C) 2012 Sean Young <sean@mess.org>
+ *
+ * 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/module.h>
+#include <linux/usb.h>
+#include <linux/usb/input.h>
+#include <linux/slab.h>
+#include <linux/leds.h>
+#include <media/rc-core.h>
+
+#define DRIVER_NAME "ttusbir"
+#define DRIVER_DESC "TechnoTrend USB IR Receiver"
+/*
+ * The Windows driver uses 8 URBS, the original lirc drivers has a
+ * configurable amount (2 default, 4 max). This device generates about 125
+ * messages per second (!), whether IR is idle or not.
+ */
+#define NUM_URBS 4
+#define NS_PER_BYTE 62500
+#define NS_PER_BIT (NS_PER_BYTE/8)
+
+struct ttusbir {
+ struct rc_dev *rc;
+ struct device *dev;
+ struct usb_device *udev;
+
+ struct urb *urb[NUM_URBS];
+
+ struct led_classdev led;
+ struct urb *bulk_urb;
+ uint8_t bulk_buffer[5];
+ int bulk_out_endp, iso_in_endp;
+ bool led_on, is_led_on;
+ atomic_t led_complete;
+
+ char phys[64];
+};
+
+static enum led_brightness ttusbir_brightness_get(struct led_classdev *led_dev)
+{
+ struct ttusbir *tt = container_of(led_dev, struct ttusbir, led);
+
+ return tt->led_on ? LED_FULL : LED_OFF;
+}
+
+static void ttusbir_set_led(struct ttusbir *tt)
+{
+ int ret;
+
+ smp_mb();
+
+ if (tt->led_on != tt->is_led_on && tt->udev &&
+ atomic_add_unless(&tt->led_complete, 1, 1)) {
+ tt->bulk_buffer[4] = tt->is_led_on = tt->led_on;
+ ret = usb_submit_urb(tt->bulk_urb, GFP_ATOMIC);
+ if (ret) {
+ dev_warn(tt->dev, "failed to submit bulk urb: %d\n",
+ ret);
+ atomic_dec(&tt->led_complete);
+ }
+ }
+}
+
+static void ttusbir_brightness_set(struct led_classdev *led_dev, enum
+ led_brightness brightness)
+{
+ struct ttusbir *tt = container_of(led_dev, struct ttusbir, led);
+
+ tt->led_on = brightness != LED_OFF;
+
+ ttusbir_set_led(tt);
+}
+
+/*
+ * The urb cannot be reused until the urb completes
+ */
+static void ttusbir_bulk_complete(struct urb *urb)
+{
+ struct ttusbir *tt = urb->context;
+
+ atomic_dec(&tt->led_complete);
+
+ switch (urb->status) {
+ case 0:
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ usb_unlink_urb(urb);
+ return;
+ case -EPIPE:
+ default:
+ dev_dbg(tt->dev, "Error: urb status = %d\n", urb->status);
+ break;
+ }
+
+ ttusbir_set_led(tt);
+}
+
+/*
+ * The data is one bit per sample, a set bit signifying silence and samples
+ * being MSB first. Bit 0 can contain garbage so take it to be whatever
+ * bit 1 is, so we don't have unexpected edges.
+ */
+static void ttusbir_process_ir_data(struct ttusbir *tt, uint8_t *buf)
+{
+ struct ir_raw_event rawir;
+ unsigned i, v, b;
+ bool event = false;
+
+ init_ir_raw_event(&rawir);
+
+ for (i = 0; i < 128; i++) {
+ v = buf[i] & 0xfe;
+ switch (v) {
+ case 0xfe:
+ rawir.pulse = false;
+ rawir.duration = NS_PER_BYTE;
+ if (ir_raw_event_store_with_filter(tt->rc, &rawir))
+ event = true;
+ break;
+ case 0:
+ rawir.pulse = true;
+ rawir.duration = NS_PER_BYTE;
+ if (ir_raw_event_store_with_filter(tt->rc, &rawir))
+ event = true;
+ break;
+ default:
+ /* one edge per byte */
+ if (v & 2) {
+ b = ffz(v | 1);
+ rawir.pulse = true;
+ } else {
+ b = ffs(v) - 1;
+ rawir.pulse = false;
+ }
+
+ rawir.duration = NS_PER_BIT * (8 - b);
+ if (ir_raw_event_store_with_filter(tt->rc, &rawir))
+ event = true;
+
+ rawir.pulse = !rawir.pulse;
+ rawir.duration = NS_PER_BIT * b;
+ if (ir_raw_event_store_with_filter(tt->rc, &rawir))
+ event = true;
+ break;
+ }
+ }
+
+ /* don't wakeup when there's nothing to do */
+ if (event)
+ ir_raw_event_handle(tt->rc);
+}
+
+static void ttusbir_urb_complete(struct urb *urb)
+{
+ struct ttusbir *tt = urb->context;
+ int rc;
+
+ switch (urb->status) {
+ case 0:
+ ttusbir_process_ir_data(tt, urb->transfer_buffer);
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ usb_unlink_urb(urb);
+ return;
+ case -EPIPE:
+ default:
+ dev_dbg(tt->dev, "Error: urb status = %d\n", urb->status);
+ break;
+ }
+
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+ if (rc && rc != -ENODEV)
+ dev_warn(tt->dev, "failed to resubmit urb: %d\n", rc);
+}
+
+static int __devinit ttusbir_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct ttusbir *tt;
+ struct usb_interface_descriptor *idesc;
+ struct usb_endpoint_descriptor *desc;
+ struct rc_dev *rc;
+ int i, j, ret;
+ int altsetting = -1;
+
+ tt = kzalloc(sizeof(*tt), GFP_KERNEL);
+ rc = rc_allocate_device();
+ if (!tt || !rc) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* find the correct alt setting */
+ for (i = 0; i < intf->num_altsetting && altsetting == -1; i++) {
+ int bulk_out_endp = -1, iso_in_endp = -1;
+
+ idesc = &intf->altsetting[i].desc;
+
+ for (j = 0; j < idesc->bNumEndpoints; j++) {
+ desc = &intf->altsetting[i].endpoint[j].desc;
+ if (usb_endpoint_dir_in(desc) &&
+ usb_endpoint_xfer_isoc(desc) &&
+ desc->wMaxPacketSize == 0x10)
+ iso_in_endp = j;
+ else if (usb_endpoint_dir_out(desc) &&
+ usb_endpoint_xfer_bulk(desc) &&
+ desc->wMaxPacketSize == 0x20)
+ bulk_out_endp = j;
+
+ if (bulk_out_endp != -1 && iso_in_endp != -1) {
+ tt->bulk_out_endp = bulk_out_endp;
+ tt->iso_in_endp = iso_in_endp;
+ altsetting = i;
+ break;
+ }
+ }
+ }
+
+ if (altsetting == -1) {
+ dev_err(&intf->dev, "cannot find expected altsetting\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+ tt->dev = &intf->dev;
+ tt->udev = interface_to_usbdev(intf);
+ tt->rc = rc;
+
+ ret = usb_set_interface(tt->udev, 0, altsetting);
+ if (ret)
+ goto out;
+
+ for (i = 0; i < NUM_URBS; i++) {
+ struct urb *urb = usb_alloc_urb(8, GFP_KERNEL);
+ void *buffer;
+
+ if (!urb) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ urb->dev = tt->udev;
+ urb->context = tt;
+ urb->pipe = usb_rcvisocpipe(tt->udev, tt->iso_in_endp);
+ urb->interval = 1;
+ buffer = usb_alloc_coherent(tt->udev, 128, GFP_KERNEL,
+ &urb->transfer_dma);
+ if (!buffer) {
+ usb_free_urb(urb);
+ ret = -ENOMEM;
+ goto out;
+ }
+ urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP | URB_ISO_ASAP;
+ urb->transfer_buffer = buffer;
+ urb->complete = ttusbir_urb_complete;
+ urb->number_of_packets = 8;
+ urb->transfer_buffer_length = 128;
+
+ for (j = 0; j < 8; j++) {
+ urb->iso_frame_desc[j].offset = j * 16;
+ urb->iso_frame_desc[j].length = 16;
+ }
+
+ tt->urb[i] = urb;
+ }
+
+ tt->bulk_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!tt->bulk_urb) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ tt->bulk_buffer[0] = 0xaa;
+ tt->bulk_buffer[1] = 0x01;
+ tt->bulk_buffer[2] = 0x05;
+ tt->bulk_buffer[3] = 0x01;
+
+ usb_fill_bulk_urb(tt->bulk_urb, tt->udev, usb_sndbulkpipe(tt->udev,
+ tt->bulk_out_endp), tt->bulk_buffer, sizeof(tt->bulk_buffer),
+ ttusbir_bulk_complete, tt);
+
+ tt->led.name = "ttusbir:green:power";
+ tt->led.brightness_set = ttusbir_brightness_set;
+ tt->led.brightness_get = ttusbir_brightness_get;
+ tt->is_led_on = tt->led_on = true;
+ atomic_set(&tt->led_complete, 0);
+ ret = led_classdev_register(&intf->dev, &tt->led);
+ if (ret)
+ goto out;
+
+ usb_make_path(tt->udev, tt->phys, sizeof(tt->phys));
+
+ rc->input_name = DRIVER_DESC;
+ rc->input_phys = tt->phys;
+ usb_to_input_id(tt->udev, &rc->input_id);
+ rc->dev.parent = &intf->dev;
+ rc->driver_type = RC_DRIVER_IR_RAW;
+ rc->allowed_protos = RC_TYPE_ALL;
+ rc->priv = tt;
+ rc->driver_name = DRIVER_NAME;
+ rc->map_name = RC_MAP_TT_1500;
+ rc->timeout = MS_TO_NS(100);
+ /*
+ * The precision is NS_PER_BIT, but since every 8th bit can be
+ * overwritten with garbage the accuracy is at best 2 * NS_PER_BIT.
+ */
+ rc->rx_resolution = NS_PER_BIT;
+
+ ret = rc_register_device(rc);
+ if (ret) {
+ dev_err(&intf->dev, "failed to register rc device %d\n", ret);
+ goto out2;
+ }
+
+ usb_set_intfdata(intf, tt);
+
+ for (i = 0; i < NUM_URBS; i++) {
+ ret = usb_submit_urb(tt->urb[i], GFP_KERNEL);
+ if (ret) {
+ dev_err(tt->dev, "failed to submit urb %d\n", ret);
+ goto out3;
+ }
+ }
+
+ return 0;
+out3:
+ rc_unregister_device(rc);
+out2:
+ led_classdev_unregister(&tt->led);
+out:
+ if (tt) {
+ for (i = 0; i < NUM_URBS && tt->urb[i]; i++) {
+ struct urb *urb = tt->urb[i];
+
+ usb_kill_urb(urb);
+ usb_free_coherent(tt->udev, 128, urb->transfer_buffer,
+ urb->transfer_dma);
+ usb_free_urb(urb);
+ }
+ usb_kill_urb(tt->bulk_urb);
+ usb_free_urb(tt->bulk_urb);
+ kfree(tt);
+ }
+ rc_free_device(rc);
+
+ return ret;
+}
+
+static void __devexit ttusbir_disconnect(struct usb_interface *intf)
+{
+ struct ttusbir *tt = usb_get_intfdata(intf);
+ struct usb_device *udev = tt->udev;
+ int i;
+
+ tt->udev = NULL;
+
+ rc_unregister_device(tt->rc);
+ led_classdev_unregister(&tt->led);
+ for (i = 0; i < NUM_URBS; i++) {
+ usb_kill_urb(tt->urb[i]);
+ usb_free_coherent(udev, 128, tt->urb[i]->transfer_buffer,
+ tt->urb[i]->transfer_dma);
+ usb_free_urb(tt->urb[i]);
+ }
+ usb_kill_urb(tt->bulk_urb);
+ usb_free_urb(tt->bulk_urb);
+ usb_set_intfdata(intf, NULL);
+ kfree(tt);
+}
+
+static int ttusbir_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct ttusbir *tt = usb_get_intfdata(intf);
+ int i;
+
+ for (i = 0; i < NUM_URBS; i++)
+ usb_kill_urb(tt->urb[i]);
+
+ led_classdev_suspend(&tt->led);
+ usb_kill_urb(tt->bulk_urb);
+
+ return 0;
+}
+
+static int ttusbir_resume(struct usb_interface *intf)
+{
+ struct ttusbir *tt = usb_get_intfdata(intf);
+ int i, rc;
+
+ led_classdev_resume(&tt->led);
+ tt->is_led_on = true;
+ ttusbir_set_led(tt);
+
+ for (i = 0; i < NUM_URBS; i++) {
+ rc = usb_submit_urb(tt->urb[i], GFP_KERNEL);
+ if (rc) {
+ dev_warn(tt->dev, "failed to submit urb: %d\n", rc);
+ break;
+ }
+ }
+
+ return rc;
+}
+
+static const struct usb_device_id ttusbir_table[] = {
+ { USB_DEVICE(0x0b48, 0x2003) },
+ { }
+};
+
+static struct usb_driver ttusbir_driver = {
+ .name = DRIVER_NAME,
+ .id_table = ttusbir_table,
+ .probe = ttusbir_probe,
+ .suspend = ttusbir_suspend,
+ .resume = ttusbir_resume,
+ .reset_resume = ttusbir_resume,
+ .disconnect = __devexit_p(ttusbir_disconnect)
+};
+
+module_usb_driver(ttusbir_driver);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_AUTHOR("Sean Young <sean@mess.org>");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(usb, ttusbir_table);
+
diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c
index 54ee34872d14..30ae1f24abc3 100644
--- a/drivers/media/rc/winbond-cir.c
+++ b/drivers/media/rc/winbond-cir.c
@@ -180,7 +180,6 @@ enum wbcir_rxstate {
enum wbcir_txstate {
WBCIR_TXSTATE_INACTIVE = 0,
WBCIR_TXSTATE_ACTIVE,
- WBCIR_TXSTATE_DONE,
WBCIR_TXSTATE_ERROR
};
@@ -216,7 +215,6 @@ struct wbcir_data {
u32 txlen;
u32 txoff;
u32 *txbuf;
- wait_queue_head_t txwaitq;
u8 txmask;
u32 txcarrier;
};
@@ -358,7 +356,7 @@ wbcir_irq_rx(struct wbcir_data *data, struct pnp_dev *device)
if (data->rxstate == WBCIR_RXSTATE_ERROR)
continue;
rawir.pulse = irdata & 0x80 ? false : true;
- rawir.duration = US_TO_NS((irdata & 0x7F) * 10);
+ rawir.duration = US_TO_NS(((irdata & 0x7F) + 1) * 10);
ir_raw_event_store_with_filter(data->dev, &rawir);
}
@@ -424,11 +422,11 @@ wbcir_irq_tx(struct wbcir_data *data)
if (data->txstate == WBCIR_TXSTATE_ERROR)
/* Clear TX underrun bit */
outb(WBCIR_TX_UNDERRUN, data->sbase + WBCIR_REG_SP3_ASCR);
- else
- data->txstate = WBCIR_TXSTATE_DONE;
wbcir_set_irqmask(data, WBCIR_IRQ_RX | WBCIR_IRQ_ERR);
led_trigger_event(data->txtrigger, LED_OFF);
- wake_up(&data->txwaitq);
+ kfree(data->txbuf);
+ data->txbuf = NULL;
+ data->txstate = WBCIR_TXSTATE_INACTIVE;
} else if (data->txoff == data->txlen) {
/* At the end of transmission, tell the hw before last byte */
outsb(data->sbase + WBCIR_REG_SP3_TXDATA, bytes, used - 1);
@@ -579,43 +577,37 @@ wbcir_txmask(struct rc_dev *dev, u32 mask)
}
static int
-wbcir_tx(struct rc_dev *dev, unsigned *buf, unsigned count)
+wbcir_tx(struct rc_dev *dev, unsigned *b, unsigned count)
{
struct wbcir_data *data = dev->priv;
+ unsigned *buf;
unsigned i;
unsigned long flags;
+ buf = kmalloc(count * sizeof(*b), GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ /* Convert values to multiples of 10us */
+ for (i = 0; i < count; i++)
+ buf[i] = DIV_ROUND_CLOSEST(b[i], 10);
+
/* Not sure if this is possible, but better safe than sorry */
spin_lock_irqsave(&data->spinlock, flags);
if (data->txstate != WBCIR_TXSTATE_INACTIVE) {
spin_unlock_irqrestore(&data->spinlock, flags);
+ kfree(buf);
return -EBUSY;
}
- /* Convert values to multiples of 10us */
- for (i = 0; i < count; i++)
- buf[i] = DIV_ROUND_CLOSEST(buf[i], 10);
-
/* Fill the TX fifo once, the irq handler will do the rest */
data->txbuf = buf;
data->txlen = count;
data->txoff = 0;
wbcir_irq_tx(data);
- /* Wait for the TX to complete */
- while (data->txstate == WBCIR_TXSTATE_ACTIVE) {
- spin_unlock_irqrestore(&data->spinlock, flags);
- wait_event(data->txwaitq, data->txstate != WBCIR_TXSTATE_ACTIVE);
- spin_lock_irqsave(&data->spinlock, flags);
- }
-
/* We're done */
- if (data->txstate == WBCIR_TXSTATE_ERROR)
- count = -EAGAIN;
- data->txstate = WBCIR_TXSTATE_INACTIVE;
- data->txbuf = NULL;
spin_unlock_irqrestore(&data->spinlock, flags);
-
return count;
}
@@ -927,13 +919,11 @@ wbcir_init_hw(struct wbcir_data *data)
ir_raw_event_reset(data->dev);
ir_raw_event_handle(data->dev);
- /*
- * Check TX state, if we did a suspend/resume cycle while TX was
- * active, we will have a process waiting in txwaitq.
- */
+ /* Clear TX state */
if (data->txstate == WBCIR_TXSTATE_ACTIVE) {
- data->txstate = WBCIR_TXSTATE_ERROR;
- wake_up(&data->txwaitq);
+ kfree(data->txbuf);
+ data->txbuf = NULL;
+ data->txstate = WBCIR_TXSTATE_INACTIVE;
}
/* Enable interrupts */
@@ -974,7 +964,6 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id)
pnp_set_drvdata(device, data);
spin_lock_init(&data->spinlock);
- init_waitqueue_head(&data->txwaitq);
data->ebase = pnp_port_start(device, 0);
data->wbase = pnp_port_start(device, 1);
data->sbase = pnp_port_start(device, 2);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.