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path: root/drivers/media/rc
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-rw-r--r--drivers/media/rc/Kconfig11
-rw-r--r--drivers/media/rc/Makefile1
-rw-r--r--drivers/media/rc/ene_ir.c4
-rw-r--r--drivers/media/rc/ene_ir.h2
-rw-r--r--drivers/media/rc/ir-lirc-codec.c15
-rw-r--r--drivers/media/rc/ir-mce_kbd-decoder.c449
-rw-r--r--drivers/media/rc/ir-raw.c1
-rw-r--r--drivers/media/rc/ite-cir.c5
-rw-r--r--drivers/media/rc/keymaps/rc-rc6-mce.c3
-rw-r--r--drivers/media/rc/mceusb.c10
-rw-r--r--drivers/media/rc/nuvoton-cir.c57
-rw-r--r--drivers/media/rc/nuvoton-cir.h1
-rw-r--r--drivers/media/rc/rc-core-priv.h18
-rw-r--r--drivers/media/rc/rc-loopback.c13
-rw-r--r--drivers/media/rc/rc-main.c4
-rw-r--r--drivers/media/rc/redrat3.c63
-rw-r--r--drivers/media/rc/winbond-cir.c28
17 files changed, 551 insertions, 134 deletions
diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig
index 7d4bbc226d06..899f783d92fb 100644
--- a/drivers/media/rc/Kconfig
+++ b/drivers/media/rc/Kconfig
@@ -87,6 +87,17 @@ config IR_RC5_SZ_DECODER
uses an IR protocol that is almost standard RC-5, but not quite,
as it uses an additional bit).
+config IR_MCE_KBD_DECODER
+ tristate "Enable IR raw decoder for the MCE keyboard/mouse protocol"
+ depends on RC_CORE
+ select BITREVERSE
+ default y
+
+ ---help---
+ Enable this option if you have a Microsoft Remote Keyboard for
+ Windows Media Center Edition, which you would like to use with
+ a raw IR receiver in your system.
+
config IR_LIRC_CODEC
tristate "Enable IR to LIRC bridge"
depends on RC_CORE
diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile
index 52830e5f4eaa..f224db027c41 100644
--- a/drivers/media/rc/Makefile
+++ b/drivers/media/rc/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_IR_RC6_DECODER) += ir-rc6-decoder.o
obj-$(CONFIG_IR_JVC_DECODER) += ir-jvc-decoder.o
obj-$(CONFIG_IR_SONY_DECODER) += ir-sony-decoder.o
obj-$(CONFIG_IR_RC5_SZ_DECODER) += ir-rc5-sz-decoder.o
+obj-$(CONFIG_IR_MCE_KBD_DECODER) += ir-mce_kbd-decoder.o
obj-$(CONFIG_IR_LIRC_CODEC) += ir-lirc-codec.o
# stand-alone IR receivers/transmitters
diff --git a/drivers/media/rc/ene_ir.c b/drivers/media/rc/ene_ir.c
index a43ed6c41bfc..2b9c2569d74a 100644
--- a/drivers/media/rc/ene_ir.c
+++ b/drivers/media/rc/ene_ir.c
@@ -953,13 +953,13 @@ static void ene_set_idle(struct rc_dev *rdev, bool idle)
}
/* outside interface: transmit */
-static int ene_transmit(struct rc_dev *rdev, int *buf, u32 n)
+static int ene_transmit(struct rc_dev *rdev, unsigned *buf, unsigned n)
{
struct ene_device *dev = rdev->priv;
unsigned long flags;
dev->tx_buffer = buf;
- dev->tx_len = n / sizeof(int);
+ dev->tx_len = n;
dev->tx_pos = 0;
dev->tx_reg = 0;
dev->tx_done = 0;
diff --git a/drivers/media/rc/ene_ir.h b/drivers/media/rc/ene_ir.h
index 337a41d4450b..017c209cdf8a 100644
--- a/drivers/media/rc/ene_ir.h
+++ b/drivers/media/rc/ene_ir.h
@@ -235,7 +235,7 @@ struct ene_device {
bool tx_sample_pulse; /* current sample is pulse */
/* TX buffer */
- int *tx_buffer; /* input samples buffer*/
+ unsigned *tx_buffer; /* input samples buffer*/
int tx_pos; /* position in that bufer */
int tx_len; /* current len of tx buffer */
int tx_done; /* done transmitting */
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index 1c5cc65ea1e1..e5eeec4da76e 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -103,19 +103,19 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char *buf,
{
struct lirc_codec *lirc;
struct rc_dev *dev;
- int *txbuf; /* buffer with values to transmit */
- int ret = 0;
+ unsigned int *txbuf; /* buffer with values to transmit */
+ ssize_t ret = 0;
size_t count;
lirc = lirc_get_pdata(file);
if (!lirc)
return -EFAULT;
- if (n % sizeof(int))
+ if (n < sizeof(unsigned) || n % sizeof(unsigned))
return -EINVAL;
- count = n / sizeof(int);
- if (count > LIRCBUF_SIZE || count % 2 == 0 || n % sizeof(int) != 0)
+ count = n / sizeof(unsigned);
+ if (count > LIRCBUF_SIZE || count % 2 == 0)
return -EINVAL;
txbuf = memdup_user(buf, n);
@@ -129,7 +129,10 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char *buf,
}
if (dev->tx_ir)
- ret = dev->tx_ir(dev, txbuf, (u32)n);
+ ret = dev->tx_ir(dev, txbuf, count);
+
+ if (ret > 0)
+ ret *= sizeof(unsigned);
out:
kfree(txbuf);
diff --git a/drivers/media/rc/ir-mce_kbd-decoder.c b/drivers/media/rc/ir-mce_kbd-decoder.c
new file mode 100644
index 000000000000..3784ebf80ec7
--- /dev/null
+++ b/drivers/media/rc/ir-mce_kbd-decoder.c
@@ -0,0 +1,449 @@
+/* ir-mce_kbd-decoder.c - A decoder for the RC6-ish keyboard/mouse IR protocol
+ * used by the Microsoft Remote Keyboard for Windows Media Center Edition,
+ * referred to by Microsoft's Windows Media Center remote specification docs
+ * as "an internal protocol called MCIR-2".
+ *
+ * Copyright (C) 2011 by Jarod Wilson <jarod@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#include <linux/module.h>
+
+#include "rc-core-priv.h"
+
+/*
+ * This decoder currently supports:
+ * - MCIR-2 29-bit IR signals used for mouse movement and buttons
+ * - MCIR-2 32-bit IR signals used for standard keyboard keys
+ *
+ * The media keys on the keyboard send RC-6 signals that are inditinguishable
+ * from the keys of the same name on the stock MCE remote, and will be handled
+ * by the standard RC-6 decoder, and be made available to the system via the
+ * input device for the remote, rather than the keyboard/mouse one.
+ */
+
+#define MCIR2_UNIT 333333 /* ns */
+#define MCIR2_HEADER_NBITS 5
+#define MCIR2_MOUSE_NBITS 29
+#define MCIR2_KEYBOARD_NBITS 32
+#define MCIR2_PREFIX_PULSE (8 * MCIR2_UNIT)
+#define MCIR2_PREFIX_SPACE (1 * MCIR2_UNIT)
+#define MCIR2_MAX_LEN (3 * MCIR2_UNIT)
+#define MCIR2_BIT_START (1 * MCIR2_UNIT)
+#define MCIR2_BIT_END (1 * MCIR2_UNIT)
+#define MCIR2_BIT_0 (1 * MCIR2_UNIT)
+#define MCIR2_BIT_SET (2 * MCIR2_UNIT)
+#define MCIR2_MODE_MASK 0xf /* for the header bits */
+#define MCIR2_KEYBOARD_HEADER 0x4
+#define MCIR2_MOUSE_HEADER 0x1
+#define MCIR2_MASK_KEYS_START 0xe0
+
+enum mce_kbd_mode {
+ MCIR2_MODE_KEYBOARD,
+ MCIR2_MODE_MOUSE,
+ MCIR2_MODE_UNKNOWN,
+};
+
+enum mce_kbd_state {
+ STATE_INACTIVE,
+ STATE_HEADER_BIT_START,
+ STATE_HEADER_BIT_END,
+ STATE_BODY_BIT_START,
+ STATE_BODY_BIT_END,
+ STATE_FINISHED,
+};
+
+static unsigned char kbd_keycodes[256] = {
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_A,
+ KEY_B, KEY_C, KEY_D, KEY_E, KEY_F,
+ KEY_G, KEY_H, KEY_I, KEY_J, KEY_K,
+ KEY_L, KEY_M, KEY_N, KEY_O, KEY_P,
+ KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
+ KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z,
+ KEY_1, KEY_2, KEY_3, KEY_4, KEY_5,
+ KEY_6, KEY_7, KEY_8, KEY_9, KEY_0,
+ KEY_ENTER, KEY_ESC, KEY_BACKSPACE, KEY_TAB, KEY_SPACE,
+ KEY_MINUS, KEY_EQUAL, KEY_LEFTBRACE, KEY_RIGHTBRACE, KEY_BACKSLASH,
+ KEY_RESERVED, KEY_SEMICOLON, KEY_APOSTROPHE, KEY_GRAVE, KEY_COMMA,
+ KEY_DOT, KEY_SLASH, KEY_CAPSLOCK, KEY_F1, KEY_F2,
+ KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7,
+ KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_F12,
+ KEY_SYSRQ, KEY_SCROLLLOCK, KEY_PAUSE, KEY_INSERT, KEY_HOME,
+ KEY_PAGEUP, KEY_DELETE, KEY_END, KEY_PAGEDOWN, KEY_RIGHT,
+ KEY_LEFT, KEY_DOWN, KEY_UP, KEY_NUMLOCK, KEY_KPSLASH,
+ KEY_KPASTERISK, KEY_KPMINUS, KEY_KPPLUS, KEY_KPENTER, KEY_KP1,
+ KEY_KP2, KEY_KP3, KEY_KP4, KEY_KP5, KEY_KP6,
+ KEY_KP7, KEY_KP8, KEY_KP9, KEY_KP0, KEY_KPDOT,
+ KEY_102ND, KEY_COMPOSE, KEY_POWER, KEY_KPEQUAL, KEY_F13,
+ KEY_F14, KEY_F15, KEY_F16, KEY_F17, KEY_F18,
+ KEY_F19, KEY_F20, KEY_F21, KEY_F22, KEY_F23,
+ KEY_F24, KEY_OPEN, KEY_HELP, KEY_PROPS, KEY_FRONT,
+ KEY_STOP, KEY_AGAIN, KEY_UNDO, KEY_CUT, KEY_COPY,
+ KEY_PASTE, KEY_FIND, KEY_MUTE, KEY_VOLUMEUP, KEY_VOLUMEDOWN,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_KPCOMMA, KEY_RESERVED,
+ KEY_RO, KEY_KATAKANAHIRAGANA, KEY_YEN, KEY_HENKAN, KEY_MUHENKAN,
+ KEY_KPJPCOMMA, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_HANGUEL,
+ KEY_HANJA, KEY_KATAKANA, KEY_HIRAGANA, KEY_ZENKAKUHANKAKU, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_LEFTCTRL,
+ KEY_LEFTSHIFT, KEY_LEFTALT, KEY_LEFTMETA, KEY_RIGHTCTRL, KEY_RIGHTSHIFT,
+ KEY_RIGHTALT, KEY_RIGHTMETA, KEY_PLAYPAUSE, KEY_STOPCD, KEY_PREVIOUSSONG,
+ KEY_NEXTSONG, KEY_EJECTCD, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE,
+ KEY_WWW, KEY_BACK, KEY_FORWARD, KEY_STOP, KEY_FIND,
+ KEY_SCROLLUP, KEY_SCROLLDOWN, KEY_EDIT, KEY_SLEEP, KEY_COFFEE,
+ KEY_REFRESH, KEY_CALC, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED
+};
+
+static void mce_kbd_rx_timeout(unsigned long data)
+{
+ struct mce_kbd_dec *mce_kbd = (struct mce_kbd_dec *)data;
+ int i;
+ unsigned char maskcode;
+
+ IR_dprintk(2, "timer callback clearing all keys\n");
+
+ for (i = 0; i < 7; i++) {
+ maskcode = kbd_keycodes[MCIR2_MASK_KEYS_START + i];
+ input_report_key(mce_kbd->idev, maskcode, 0);
+ }
+
+ for (i = 0; i < MCIR2_MASK_KEYS_START; i++)
+ input_report_key(mce_kbd->idev, kbd_keycodes[i], 0);
+}
+
+static enum mce_kbd_mode mce_kbd_mode(struct mce_kbd_dec *data)
+{
+ switch (data->header & MCIR2_MODE_MASK) {
+ case MCIR2_KEYBOARD_HEADER:
+ return MCIR2_MODE_KEYBOARD;
+ case MCIR2_MOUSE_HEADER:
+ return MCIR2_MODE_MOUSE;
+ default:
+ return MCIR2_MODE_UNKNOWN;
+ }
+}
+
+static void ir_mce_kbd_process_keyboard_data(struct input_dev *idev,
+ u32 scancode)
+{
+ u8 keydata = (scancode >> 8) & 0xff;
+ u8 shiftmask = scancode & 0xff;
+ unsigned char keycode, maskcode;
+ int i, keystate;
+
+ IR_dprintk(1, "keyboard: keydata = 0x%02x, shiftmask = 0x%02x\n",
+ keydata, shiftmask);
+
+ for (i = 0; i < 7; i++) {
+ maskcode = kbd_keycodes[MCIR2_MASK_KEYS_START + i];
+ if (shiftmask & (1 << i))
+ keystate = 1;
+ else
+ keystate = 0;
+ input_report_key(idev, maskcode, keystate);
+ }
+
+ if (keydata) {
+ keycode = kbd_keycodes[keydata];
+ input_report_key(idev, keycode, 1);
+ } else {
+ for (i = 0; i < MCIR2_MASK_KEYS_START; i++)
+ input_report_key(idev, kbd_keycodes[i], 0);
+ }
+}
+
+static void ir_mce_kbd_process_mouse_data(struct input_dev *idev, u32 scancode)
+{
+ /* raw mouse coordinates */
+ u8 xdata = (scancode >> 7) & 0x7f;
+ u8 ydata = (scancode >> 14) & 0x7f;
+ int x, y;
+ /* mouse buttons */
+ bool right = scancode & 0x40;
+ bool left = scancode & 0x20;
+
+ if (xdata & 0x40)
+ x = -((~xdata & 0x7f) + 1);
+ else
+ x = xdata;
+
+ if (ydata & 0x40)
+ y = -((~ydata & 0x7f) + 1);
+ else
+ y = ydata;
+
+ IR_dprintk(1, "mouse: x = %d, y = %d, btns = %s%s\n",
+ x, y, left ? "L" : "", right ? "R" : "");
+
+ input_report_rel(idev, REL_X, x);
+ input_report_rel(idev, REL_Y, y);
+
+ input_report_key(idev, BTN_LEFT, left);
+ input_report_key(idev, BTN_RIGHT, right);
+}
+
+/**
+ * ir_mce_kbd_decode() - Decode one mce_kbd pulse or space
+ * @dev: the struct rc_dev descriptor of the device
+ * @ev: the struct ir_raw_event descriptor of the pulse/space
+ *
+ * This function returns -EINVAL if the pulse violates the state machine
+ */
+static int ir_mce_kbd_decode(struct rc_dev *dev, struct ir_raw_event ev)
+{
+ struct mce_kbd_dec *data = &dev->raw->mce_kbd;
+ u32 scancode;
+ unsigned long delay;
+
+ if (!(dev->raw->enabled_protocols & RC_TYPE_MCE_KBD))
+ return 0;
+
+ if (!is_timing_event(ev)) {
+ if (ev.reset)
+ data->state = STATE_INACTIVE;
+ return 0;
+ }
+
+ if (!geq_margin(ev.duration, MCIR2_UNIT, MCIR2_UNIT / 2))
+ goto out;
+
+again:
+ IR_dprintk(2, "started at state %i (%uus %s)\n",
+ data->state, TO_US(ev.duration), TO_STR(ev.pulse));
+
+ if (!geq_margin(ev.duration, MCIR2_UNIT, MCIR2_UNIT / 2))
+ return 0;
+
+ switch (data->state) {
+
+ case STATE_INACTIVE:
+ if (!ev.pulse)
+ break;
+
+ /* Note: larger margin on first pulse since each MCIR2_UNIT
+ is quite short and some hardware takes some time to
+ adjust to the signal */
+ if (!eq_margin(ev.duration, MCIR2_PREFIX_PULSE, MCIR2_UNIT))
+ break;
+
+ data->state = STATE_HEADER_BIT_START;
+ data->count = 0;
+ data->header = 0;
+ return 0;
+
+ case STATE_HEADER_BIT_START:
+ if (geq_margin(ev.duration, MCIR2_MAX_LEN, MCIR2_UNIT / 2))
+ break;
+
+ data->header <<= 1;
+ if (ev.pulse)
+ data->header |= 1;
+ data->count++;
+ data->state = STATE_HEADER_BIT_END;
+ return 0;
+
+ case STATE_HEADER_BIT_END:
+ if (!is_transition(&ev, &dev->raw->prev_ev))
+ break;
+
+ decrease_duration(&ev, MCIR2_BIT_END);
+
+ if (data->count != MCIR2_HEADER_NBITS) {
+ data->state = STATE_HEADER_BIT_START;
+ goto again;
+ }
+
+ switch (mce_kbd_mode(data)) {
+ case MCIR2_MODE_KEYBOARD:
+ data->wanted_bits = MCIR2_KEYBOARD_NBITS;
+ break;
+ case MCIR2_MODE_MOUSE:
+ data->wanted_bits = MCIR2_MOUSE_NBITS;
+ break;
+ default:
+ IR_dprintk(1, "not keyboard or mouse data\n");
+ goto out;
+ }
+
+ data->count = 0;
+ data->body = 0;
+ data->state = STATE_BODY_BIT_START;
+ goto again;
+
+ case STATE_BODY_BIT_START:
+ if (geq_margin(ev.duration, MCIR2_MAX_LEN, MCIR2_UNIT / 2))
+ break;
+
+ data->body <<= 1;
+ if (ev.pulse)
+ data->body |= 1;
+ data->count++;
+ data->state = STATE_BODY_BIT_END;
+ return 0;
+
+ case STATE_BODY_BIT_END:
+ if (!is_transition(&ev, &dev->raw->prev_ev))
+ break;
+
+ if (data->count == data->wanted_bits)
+ data->state = STATE_FINISHED;
+ else
+ data->state = STATE_BODY_BIT_START;
+
+ decrease_duration(&ev, MCIR2_BIT_END);
+ goto again;
+
+ case STATE_FINISHED:
+ if (ev.pulse)
+ break;
+
+ switch (data->wanted_bits) {
+ case MCIR2_KEYBOARD_NBITS:
+ scancode = data->body & 0xffff;
+ IR_dprintk(1, "keyboard data 0x%08x\n", data->body);
+ if (dev->timeout)
+ delay = usecs_to_jiffies(dev->timeout / 1000);
+ else
+ delay = msecs_to_jiffies(100);
+ mod_timer(&data->rx_timeout, jiffies + delay);
+ /* Pass data to keyboard buffer parser */
+ ir_mce_kbd_process_keyboard_data(data->idev, scancode);
+ break;
+ case MCIR2_MOUSE_NBITS:
+ scancode = data->body & 0x1fffff;
+ IR_dprintk(1, "mouse data 0x%06x\n", scancode);
+ /* Pass data to mouse buffer parser */
+ ir_mce_kbd_process_mouse_data(data->idev, scancode);
+ break;
+ default:
+ IR_dprintk(1, "not keyboard or mouse data\n");
+ goto out;
+ }
+
+ data->state = STATE_INACTIVE;
+ input_sync(data->idev);
+ return 0;
+ }
+
+out:
+ IR_dprintk(1, "failed at state %i (%uus %s)\n",
+ data->state, TO_US(ev.duration), TO_STR(ev.pulse));
+ data->state = STATE_INACTIVE;
+ input_sync(data->idev);
+ return -EINVAL;
+}
+
+static int ir_mce_kbd_register(struct rc_dev *dev)
+{
+ struct mce_kbd_dec *mce_kbd = &dev->raw->mce_kbd;
+ struct input_dev *idev;
+ int i, ret;
+
+ idev = input_allocate_device();
+ if (!idev)
+ return -ENOMEM;
+
+ snprintf(mce_kbd->name, sizeof(mce_kbd->name),
+ "MCE IR Keyboard/Mouse (%s)", dev->driver_name);
+ strlcat(mce_kbd->phys, "/input0", sizeof(mce_kbd->phys));
+
+ idev->name = mce_kbd->name;
+ idev->phys = mce_kbd->phys;
+
+ /* Keyboard bits */
+ set_bit(EV_KEY, idev->evbit);
+ set_bit(EV_REP, idev->evbit);
+ for (i = 0; i < sizeof(kbd_keycodes); i++)
+ set_bit(kbd_keycodes[i], idev->keybit);
+
+ /* Mouse bits */
+ set_bit(EV_REL, idev->evbit);
+ set_bit(REL_X, idev->relbit);
+ set_bit(REL_Y, idev->relbit);
+ set_bit(BTN_LEFT, idev->keybit);
+ set_bit(BTN_RIGHT, idev->keybit);
+
+ /* Report scancodes too */
+ set_bit(EV_MSC, idev->evbit);
+ set_bit(MSC_SCAN, idev->mscbit);
+
+ setup_timer(&mce_kbd->rx_timeout, mce_kbd_rx_timeout,
+ (unsigned long)mce_kbd);
+
+ input_set_drvdata(idev, mce_kbd);
+
+#if 0
+ /* Adding this reference means two input devices are associated with
+ * this rc-core device, which ir-keytable doesn't cope with yet */
+ idev->dev.parent = &dev->dev;
+#endif
+
+ ret = input_register_device(idev);
+ if (ret < 0) {
+ input_free_device(idev);
+ return -EIO;
+ }
+
+ mce_kbd->idev = idev;
+
+ return 0;
+}
+
+static int ir_mce_kbd_unregister(struct rc_dev *dev)
+{
+ struct mce_kbd_dec *mce_kbd = &dev->raw->mce_kbd;
+ struct input_dev *idev = mce_kbd->idev;
+
+ del_timer_sync(&mce_kbd->rx_timeout);
+ input_unregister_device(idev);
+
+ return 0;
+}
+
+static struct ir_raw_handler mce_kbd_handler = {
+ .protocols = RC_TYPE_MCE_KBD,
+ .decode = ir_mce_kbd_decode,
+ .raw_register = ir_mce_kbd_register,
+ .raw_unregister = ir_mce_kbd_unregister,
+};
+
+static int __init ir_mce_kbd_decode_init(void)
+{
+ ir_raw_handler_register(&mce_kbd_handler);
+
+ printk(KERN_INFO "IR MCE Keyboard/mouse protocol handler initialized\n");
+ return 0;
+}
+
+static void __exit ir_mce_kbd_decode_exit(void)
+{
+ ir_raw_handler_unregister(&mce_kbd_handler);
+}
+
+module_init(ir_mce_kbd_decode_init);
+module_exit(ir_mce_kbd_decode_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
+MODULE_DESCRIPTION("MCE Keyboard/mouse IR protocol decoder");
diff --git a/drivers/media/rc/ir-raw.c b/drivers/media/rc/ir-raw.c
index 423ed45d6c55..27808bb59eba 100644
--- a/drivers/media/rc/ir-raw.c
+++ b/drivers/media/rc/ir-raw.c
@@ -355,6 +355,7 @@ static void init_decoders(struct work_struct *work)
load_rc6_decode();
load_jvc_decode();
load_sony_decode();
+ load_mce_kbd_decode();
load_lirc_codec();
/* If needed, we may later add some init code. In this case,
diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index d20168fe4c40..682009d76cdf 100644
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -382,7 +382,7 @@ static int ite_set_tx_duty_cycle(struct rc_dev *rcdev, u32 duty_cycle)
/* transmit out IR pulses; what you get here is a batch of alternating
* pulse/space/pulse/space lengths that we should write out completely through
* the FIFO, blocking on a full FIFO */
-static int ite_tx_ir(struct rc_dev *rcdev, int *txbuf, u32 n)
+static int ite_tx_ir(struct rc_dev *rcdev, unsigned *txbuf, unsigned n)
{
unsigned long flags;
struct ite_dev *dev = rcdev->priv;
@@ -398,9 +398,6 @@ static int ite_tx_ir(struct rc_dev *rcdev, int *txbuf, u32 n)
/* clear the array just in case */
memset(last_sent, 0, ARRAY_SIZE(last_sent));
- /* n comes in bytes; convert to ints */
- n /= sizeof(int);
-
spin_lock_irqsave(&dev->lock, flags);
/* let everybody know we're now transmitting */
diff --git a/drivers/media/rc/keymaps/rc-rc6-mce.c b/drivers/media/rc/keymaps/rc-rc6-mce.c
index 01b69bcc8666..c3907e211d39 100644
--- a/drivers/media/rc/keymaps/rc-rc6-mce.c
+++ b/drivers/media/rc/keymaps/rc-rc6-mce.c
@@ -29,7 +29,7 @@ static struct rc_map_table rc6_mce[] = {
{ 0x800f040a, KEY_DELETE },
{ 0x800f040b, KEY_ENTER },
- { 0x800f040c, KEY_POWER }, /* PC Power */
+ { 0x800f040c, KEY_SLEEP }, /* Formerly PC Power */
{ 0x800f040d, KEY_MEDIA }, /* Windows MCE button */
{ 0x800f040e, KEY_MUTE },
{ 0x800f040f, KEY_INFO },
@@ -44,7 +44,6 @@ static struct rc_map_table rc6_mce[] = {
{ 0x800f0416, KEY_PLAY },
{ 0x800f0417, KEY_RECORD },
{ 0x800f0418, KEY_PAUSE },
- { 0x800f046e, KEY_PLAYPAUSE },
{ 0x800f0419, KEY_STOP },
{ 0x800f041a, KEY_NEXT },
{ 0x800f041b, KEY_PREVIOUS },
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index ec972dc25790..85ff9a1ffb39 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -692,20 +692,18 @@ static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size)
}
/* Send data out the IR blaster port(s) */
-static int mceusb_tx_ir(struct rc_dev *dev, int *txbuf, u32 n)
+static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
{
struct mceusb_dev *ir = dev->priv;
int i, ret = 0;
- int count, cmdcount = 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);
- count = n / sizeof(int);
-
- cmdbuf = kzalloc(sizeof(int) * MCE_CMDBUF_SIZE, GFP_KERNEL);
+ cmdbuf = kzalloc(sizeof(unsigned) * MCE_CMDBUF_SIZE, GFP_KERNEL);
if (!cmdbuf)
return -ENOMEM;
@@ -774,7 +772,7 @@ static int mceusb_tx_ir(struct rc_dev *dev, int *txbuf, u32 n)
out:
kfree(cmdbuf);
- return ret ? ret : n;
+ return ret ? ret : count;
}
/* Sets active IR outputs -- mce devices typically have two */
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index ce595f9ab4c7..144f3f55d765 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -546,24 +546,18 @@ static int nvt_set_tx_carrier(struct rc_dev *dev, u32 carrier)
* number may larger than TXFCONT (0xff). So in interrupt_handler, it has to
* set TXFCONT as 0xff, until buf_count less than 0xff.
*/
-static int nvt_tx_ir(struct rc_dev *dev, int *txbuf, u32 n)
+static int nvt_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned n)
{
struct nvt_dev *nvt = dev->priv;
unsigned long flags;
- size_t cur_count;
unsigned int i;
u8 iren;
int ret;
spin_lock_irqsave(&nvt->tx.lock, flags);
- if (n >= TX_BUF_LEN) {
- nvt->tx.buf_count = cur_count = TX_BUF_LEN;
- ret = TX_BUF_LEN;
- } else {
- nvt->tx.buf_count = cur_count = n;
- ret = n;
- }
+ ret = min((unsigned)(TX_BUF_LEN / sizeof(unsigned)), n);
+ nvt->tx.buf_count = (ret * sizeof(unsigned));
memcpy(nvt->tx.buf, txbuf, nvt->tx.buf_count);
@@ -624,7 +618,6 @@ static void nvt_dump_rx_buf(struct nvt_dev *nvt)
static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
{
DEFINE_IR_RAW_EVENT(rawir);
- unsigned int count;
u32 carrier;
u8 sample;
int i;
@@ -637,65 +630,38 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
if (nvt->carrier_detect_enabled)
carrier = nvt_rx_carrier_detect(nvt);
- count = nvt->pkts;
- nvt_dbg_verbose("Processing buffer of len %d", count);
+ nvt_dbg_verbose("Processing buffer of len %d", nvt->pkts);
init_ir_raw_event(&rawir);
- for (i = 0; i < count; i++) {
- nvt->pkts--;
+ for (i = 0; i < nvt->pkts; i++) {
sample = nvt->buf[i];
rawir.pulse = ((sample & BUF_PULSE_BIT) != 0);
rawir.duration = US_TO_NS((sample & BUF_LEN_MASK)
* SAMPLE_PERIOD);
- if ((sample & BUF_LEN_MASK) == BUF_LEN_MASK) {
- if (nvt->rawir.pulse == rawir.pulse)
- nvt->rawir.duration += rawir.duration;
- else {
- nvt->rawir.duration = rawir.duration;
- nvt->rawir.pulse = rawir.pulse;
- }
- continue;
- }
-
- rawir.duration += nvt->rawir.duration;
-
- init_ir_raw_event(&nvt->rawir);
- nvt->rawir.duration = 0;
- nvt->rawir.pulse = rawir.pulse;
-
- if (sample == BUF_PULSE_BIT)
- rawir.pulse = false;
+ nvt_dbg("Storing %s with duration %d",
+ rawir.pulse ? "pulse" : "space", rawir.duration);
- if (rawir.duration) {
- nvt_dbg("Storing %s with duration %d",
- rawir.pulse ? "pulse" : "space",
- rawir.duration);
-
- ir_raw_event_store_with_filter(nvt->rdev, &rawir);
- }
+ ir_raw_event_store_with_filter(nvt->rdev, &rawir);
/*
* BUF_PULSE_BIT indicates end of IR data, BUF_REPEAT_BYTE
* indicates end of IR signal, but new data incoming. In both
* cases, it means we're ready to call ir_raw_event_handle
*/
- if ((sample == BUF_PULSE_BIT) && nvt->pkts) {
+ if ((sample == BUF_PULSE_BIT) && (i + 1 < nvt->pkts)) {
nvt_dbg("Calling ir_raw_event_handle (signal end)\n");
ir_raw_event_handle(nvt->rdev);
}
}
+ nvt->pkts = 0;
+
nvt_dbg("Calling ir_raw_event_handle (buffer empty)\n");
ir_raw_event_handle(nvt->rdev);
- if (nvt->pkts) {
- nvt_dbg("Odd, pkts should be 0 now... (its %u)", nvt->pkts);
- nvt->pkts = 0;
- }
-
nvt_dbg_verbose("%s done", __func__);
}
@@ -1054,7 +1020,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
spin_lock_init(&nvt->nvt_lock);
spin_lock_init(&nvt->tx.lock);
- init_ir_raw_event(&nvt->rawir);
ret = -EBUSY;
/* now claim resources */
diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h
index 1241fc89a36c..0d5e0872a2ea 100644
--- a/drivers/media/rc/nuvoton-cir.h
+++ b/drivers/media/rc/nuvoton-cir.h
@@ -67,7 +67,6 @@ static int debug;
struct nvt_dev {
struct pnp_dev *pdev;
struct rc_dev *rdev;
- struct ir_raw_event rawir;
spinlock_t nvt_lock;
diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h
index 873b38789751..04c2c722b6ec 100644
--- a/drivers/media/rc/rc-core-priv.h
+++ b/drivers/media/rc/rc-core-priv.h
@@ -84,6 +84,17 @@ struct ir_raw_event_ctrl {
unsigned count;
unsigned wanted_bits;
} rc5_sz;
+ struct mce_kbd_dec {
+ struct input_dev *idev;
+ struct timer_list rx_timeout;
+ char name[64];
+ char phys[64];
+ int state;
+ u8 header;
+ u32 body;
+ unsigned count;
+ unsigned wanted_bits;
+ } mce_kbd;
struct lirc_codec {
struct rc_dev *dev;
struct lirc_driver *drv;
@@ -182,6 +193,13 @@ void ir_raw_init(void);
#define load_sony_decode() 0
#endif
+/* from ir-mce_kbd-decoder.c */
+#ifdef CONFIG_IR_MCE_KBD_DECODER_MODULE
+#define load_mce_kbd_decode() request_module("ir-mce_kbd-decoder")
+#else
+#define load_mce_kbd_decode() 0
+#endif
+
/* from ir-lirc-codec.c */
#ifdef CONFIG_IR_LIRC_CODEC_MODULE
#define load_lirc_codec() request_module("ir-lirc-codec")
diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c
index cc846b2619cf..efc6a514348a 100644
--- a/drivers/media/rc/rc-loopback.c
+++ b/drivers/media/rc/rc-loopback.c
@@ -101,21 +101,14 @@ static int loop_set_rx_carrier_range(struct rc_dev *dev, u32 min, u32 max)
return 0;
}
-static int loop_tx_ir(struct rc_dev *dev, int *txbuf, u32 n)
+static int loop_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
{
struct loopback_dev *lodev = dev->priv;
u32 rxmask;
- unsigned count;
unsigned total_duration = 0;
unsigned i;
DEFINE_IR_RAW_EVENT(rawir);
- if (n == 0 || n % sizeof(int)) {
- dprintk("invalid tx buffer size\n");
- return -EINVAL;
- }
-
- count = n / sizeof(int);
for (i = 0; i < count; i++)
total_duration += abs(txbuf[i]);
@@ -142,7 +135,7 @@ static int loop_tx_ir(struct rc_dev *dev, int *txbuf, u32 n)
for (i = 0; i < count; i++) {
rawir.pulse = i % 2 ? false : true;
- rawir.duration = abs(txbuf[i]) * 1000;
+ rawir.duration = txbuf[i] * 1000;
if (rawir.duration)
ir_raw_event_store_with_filter(dev, &rawir);
}
@@ -158,7 +151,7 @@ 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 n;
+ return count;
}
static void loop_set_idle(struct rc_dev *dev, bool enable)
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 3186ac7c2c10..51a23f48bc7d 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -735,6 +735,7 @@ static struct {
{ RC_TYPE_JVC, "jvc" },
{ RC_TYPE_SONY, "sony" },
{ RC_TYPE_RC5_SZ, "rc-5-sz" },
+ { RC_TYPE_MCE_KBD, "mce_kbd" },
{ RC_TYPE_LIRC, "lirc" },
{ RC_TYPE_OTHER, "other" },
};
@@ -1099,7 +1100,6 @@ int rc_register_device(struct rc_dev *dev)
if (rc < 0)
goto out_input;
}
- mutex_unlock(&dev->lock);
if (dev->change_protocol) {
rc = dev->change_protocol(dev, rc_map->rc_type);
@@ -1107,6 +1107,8 @@ int rc_register_device(struct rc_dev *dev)
goto out_raw;
}
+ mutex_unlock(&dev->lock);
+
IR_dprintk(1, "Registered rc%ld (driver: %s, remote: %s, mode %s)\n",
dev->devno,
dev->driver_name ? dev->driver_name : "unknown",
diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 5147767ccb78..a16604477917 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -205,6 +205,7 @@ struct redrat3_dev {
/* rx signal timeout timer */
struct timer_list rx_timeout;
+ u32 hw_timeout;
/* Is the device currently receiving? */
bool recv_in_progress;
@@ -414,20 +415,10 @@ static u32 redrat3_us_to_len(u32 microsec)
}
-/* timer callback to send long trailing space on receive timeout */
+/* timer callback to send reset event */
static void redrat3_rx_timeout(unsigned long data)
{
struct redrat3_dev *rr3 = (struct redrat3_dev *)data;
- DEFINE_IR_RAW_EVENT(rawir);
-
- rawir.pulse = false;
- rawir.duration = rr3->rc->timeout;
- rr3_dbg(rr3->dev, "storing trailing space with duration %d\n",
- rawir.duration);
- ir_raw_event_store_with_filter(rr3->rc, &rawir);
-
- rr3_dbg(rr3->dev, "calling ir_raw_event_handle\n");
- ir_raw_event_handle(rr3->rc);
rr3_dbg(rr3->dev, "calling ir_raw_event_reset\n");
ir_raw_event_reset(rr3->rc);
@@ -438,7 +429,7 @@ static void redrat3_process_ir_data(struct redrat3_dev *rr3)
DEFINE_IR_RAW_EVENT(rawir);
struct redrat3_signal_header header;
struct device *dev;
- int i;
+ int i, trailer = 0;
unsigned long delay;
u32 mod_freq, single_len;
u16 *len_vals;
@@ -464,7 +455,8 @@ static void redrat3_process_ir_data(struct redrat3_dev *rr3)
if (!(header.length >= RR3_HEADER_LENGTH))
dev_warn(dev, "read returned less than rr3 header len\n");
- delay = usecs_to_jiffies(rr3->rc->timeout / 1000);
+ /* Make sure we reset the IR kfifo after a bit of inactivity */
+ delay = usecs_to_jiffies(rr3->hw_timeout);
mod_timer(&rr3->rx_timeout, jiffies + delay);
memcpy(&tmp32, sig_data + RR3_PAUSE_OFFSET, sizeof(tmp32));
@@ -506,9 +498,6 @@ static void redrat3_process_ir_data(struct redrat3_dev *rr3)
u16 val = len_vals[data_vals[i]];
single_len = redrat3_len_to_us((u32)be16_to_cpu(val));
- /* cap the value to IR_MAX_DURATION */
- single_len &= IR_MAX_DURATION;
-
/* we should always get pulse/space/pulse/space samples */
if (i % 2)
rawir.pulse = false;
@@ -516,6 +505,12 @@ static void redrat3_process_ir_data(struct redrat3_dev *rr3)
rawir.pulse = true;
rawir.duration = US_TO_NS(single_len);
+ /* Save initial pulse length to fudge trailer */
+ if (i == 0)
+ trailer = rawir.duration;
+ /* cap the value to IR_MAX_DURATION */
+ rawir.duration &= IR_MAX_DURATION;
+
rr3_dbg(dev, "storing %s with duration %d (i: %d)\n",
rawir.pulse ? "pulse" : "space", rawir.duration, i);
ir_raw_event_store_with_filter(rr3->rc, &rawir);
@@ -525,7 +520,10 @@ static void redrat3_process_ir_data(struct redrat3_dev *rr3)
if (i % 2) {
rawir.pulse = false;
/* this duration is made up, and may not be ideal... */
- rawir.duration = rr3->rc->timeout / 2;
+ if (trailer < US_TO_NS(1000))
+ rawir.duration = US_TO_NS(2800);
+ else
+ rawir.duration = trailer;
rr3_dbg(dev, "storing trailing space with duration %d\n",
rawir.duration);
ir_raw_event_store_with_filter(rr3->rc, &rawir);
@@ -629,36 +627,31 @@ static inline void redrat3_delete(struct redrat3_dev *rr3,
kfree(rr3);
}
-static u32 redrat3_get_timeout(struct device *dev,
- struct rc_dev *rc, struct usb_device *udev)
+static u32 redrat3_get_timeout(struct redrat3_dev *rr3)
{
u32 *tmp;
- u32 timeout = MS_TO_NS(150); /* a sane default, if things go haywire */
+ u32 timeout = MS_TO_US(150); /* a sane default, if things go haywire */
int len, ret, pipe;
len = sizeof(*tmp);
tmp = kzalloc(len, GFP_KERNEL);
if (!tmp) {
- dev_warn(dev, "Memory allocation faillure\n");
+ dev_warn(rr3->dev, "Memory allocation faillure\n");
return timeout;
}
- pipe = usb_rcvctrlpipe(udev, 0);
- ret = usb_control_msg(udev, pipe, RR3_GET_IR_PARAM,
+ pipe = usb_rcvctrlpipe(rr3->udev, 0);
+ ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
RR3_IR_IO_SIG_TIMEOUT, 0, tmp, len, HZ * 5);
if (ret != len) {
- dev_warn(dev, "Failed to read timeout from hardware\n");
+ dev_warn(rr3->dev, "Failed to read timeout from hardware\n");
return timeout;
}
- timeout = US_TO_NS(redrat3_len_to_us(be32_to_cpu(*tmp)));
- if (timeout < rc->min_timeout)
- timeout = rc->min_timeout;
- else if (timeout > rc->max_timeout)
- timeout = rc->max_timeout;
+ timeout = redrat3_len_to_us(be32_to_cpu(*tmp));
- rr3_dbg(dev, "Got timeout of %d ms\n", timeout / (1000 * 1000));
+ rr3_dbg(rr3->dev, "Got timeout of %d ms\n", timeout / 1000);
return timeout;
}
@@ -1110,9 +1103,7 @@ static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3)
rc->priv = rr3;
rc->driver_type = RC_DRIVER_IR_RAW;
rc->allowed_protos = RC_TYPE_ALL;
- rc->min_timeout = MS_TO_NS(RR3_RX_MIN_TIMEOUT);
- rc->max_timeout = MS_TO_NS(RR3_RX_MAX_TIMEOUT);
- rc->timeout = redrat3_get_timeout(dev, rc, rr3->udev);
+ rc->timeout = US_TO_NS(2750);
rc->tx_ir = redrat3_transmit_ir;
rc->s_tx_carrier = redrat3_set_tx_carrier;
rc->driver_name = DRIVER_NAME;
@@ -1186,7 +1177,7 @@ static int __devinit redrat3_dev_probe(struct usb_interface *intf,
rr3 = kzalloc(sizeof(*rr3), GFP_KERNEL);
if (rr3 == NULL) {
dev_err(dev, "Memory allocation failure\n");
- goto error;
+ goto no_endpoints;
}
rr3->dev = &intf->dev;
@@ -1242,6 +1233,9 @@ static int __devinit redrat3_dev_probe(struct usb_interface *intf,
if (retval < 0)
goto error;
+ /* store current hardware timeout, in us, will use for kfifo resets */
+ rr3->hw_timeout = redrat3_get_timeout(rr3);
+
/* default.. will get overridden by any sends with a freq defined */
rr3->carrier = 38000;
@@ -1280,6 +1274,7 @@ static void __devexit redrat3_dev_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
rc_unregister_device(rr3->rc);
+ del_timer_sync(&rr3->rx_timeout);
redrat3_delete(rr3, udev);
rr3_ftr(&intf->dev, "RedRat3 IR Transceiver now disconnected\n");
diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c
index 5d06b899e859..bec8abc965f7 100644
--- a/drivers/media/rc/winbond-cir.c
+++ b/drivers/media/rc/winbond-cir.c
@@ -6,8 +6,8 @@
* could probably support others (Winbond WEC102X, NatSemi, etc)
* with minor modifications.
*
- * Original Author: David Härdeman <david@hardeman.nu>
- * Copyright (C) 2009 - 2010 David Härdeman <david@hardeman.nu>
+ * Original Author: David Härdeman <david@hardeman.nu>
+ * Copyright (C) 2009 - 2011 David Härdeman <david@hardeman.nu>
*
* Dedicated to my daughter Matilda, without whose loving attention this
* driver would have been finished in half the time and with a fraction
@@ -577,16 +577,12 @@ wbcir_txmask(struct rc_dev *dev, u32 mask)
}
static int
-wbcir_tx(struct rc_dev *dev, int *buf, u32 bufsize)
+wbcir_tx(struct rc_dev *dev, unsigned *buf, unsigned count)
{
struct wbcir_data *data = dev->priv;
- u32 count;
unsigned i;
unsigned long flags;
- /* bufsize has been sanity checked by the caller */
- count = bufsize / sizeof(int);
-
/* Not sure if this is possible, but better safe than sorry */
spin_lock_irqsave(&data->spinlock, flags);
if (data->txstate != WBCIR_TXSTATE_INACTIVE) {
@@ -876,18 +872,8 @@ wbcir_init_hw(struct wbcir_data *data)
/* prescaler 1.0, tx/rx fifo lvl 16 */
outb(0x30, data->sbase + WBCIR_REG_SP3_EXCR2);
- /* Set baud divisor to generate one byte per bit/cell */
- switch (protocol) {
- case IR_PROTOCOL_RC5:
- outb(0xA7, data->sbase + WBCIR_REG_SP3_BGDL);
- break;
- case IR_PROTOCOL_RC6:
- outb(0x53, data->sbase + WBCIR_REG_SP3_BGDL);
- break;
- case IR_PROTOCOL_NEC:
- outb(0x69, data->sbase + WBCIR_REG_SP3_BGDL);
- break;
- }
+ /* Set baud divisor to sample every 10 us */
+ outb(0x0F, data->sbase + WBCIR_REG_SP3_BGDL);
outb(0x00, data->sbase + WBCIR_REG_SP3_BGDH);
/* Set CEIR mode */
@@ -896,9 +882,9 @@ wbcir_init_hw(struct wbcir_data *data)
inb(data->sbase + WBCIR_REG_SP3_LSR); /* Clear LSR */
inb(data->sbase + WBCIR_REG_SP3_MSR); /* Clear MSR */
- /* Disable RX demod, run-length encoding/decoding, set freq span */
+ /* Disable RX demod, enable run-length enc/dec, set freq span */
wbcir_select_bank(data, WBCIR_BANK_7);
- outb(0x10, data->sbase + WBCIR_REG_SP3_RCCFG);
+ outb(0x90, data->sbase + WBCIR_REG_SP3_RCCFG);
/* Disable timer */
wbcir_select_bank(data, WBCIR_BANK_4);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-15 14:48:33 +0300