if you don't need IR, as otherwise, you may not be able to
compile the driver for your adapter.
-config IR_LEGACY
- tristate
- depends on IR_CORE
- default IR_CORE
-
if IR_CORE
config LIRC
-ir-common-objs := ir-functions.o
rc-core-objs := rc-main.o rc-raw.o
obj-y += keymaps/
obj-$(CONFIG_IR_CORE) += rc-core.o
-obj-$(CONFIG_IR_LEGACY) += ir-common.o
obj-$(CONFIG_LIRC) += lirc_dev.o
obj-$(CONFIG_IR_NEC_DECODER) += ir-nec-decoder.o
obj-$(CONFIG_IR_RC5_DECODER) += ir-rc5-decoder.o
+++ /dev/null
-/*
- * some common functions to handle infrared remote protocol decoding for
- * drivers which have not yet been (or can't be) converted to use the
- * regular protocol decoders...
- *
- * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
- *
- * 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/string.h>
-#include <linux/jiffies.h>
-#include <media/ir-common.h>
-#include "rc-core-priv.h"
-
-/* -------------------------------------------------------------------------- */
-
-MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
-MODULE_LICENSE("GPL");
-
-/* RC5 decoding stuff, moved from bttv-input.c to share it with
- * saa7134 */
-
-/* decode raw bit pattern to RC5 code */
-static u32 ir_rc5_decode(unsigned int code)
-{
- unsigned int org_code = code;
- unsigned int pair;
- unsigned int rc5 = 0;
- int i;
-
- for (i = 0; i < 14; ++i) {
- pair = code & 0x3;
- code >>= 2;
-
- rc5 <<= 1;
- switch (pair) {
- case 0:
- case 2:
- break;
- case 1:
- rc5 |= 1;
- break;
- case 3:
- IR_dprintk(1, "ir-common: ir_rc5_decode(%x) bad code\n", org_code);
- return 0;
- }
- }
- IR_dprintk(1, "ir-common: code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
- "instr=%x\n", rc5, org_code, RC5_START(rc5),
- RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
- return rc5;
-}
-
-void ir_rc5_timer_end(unsigned long data)
-{
- struct card_ir *ir = (struct card_ir *)data;
- struct timeval tv;
- unsigned long current_jiffies;
- u32 gap;
- u32 rc5 = 0;
-
- /* get time */
- current_jiffies = jiffies;
- do_gettimeofday(&tv);
-
- /* avoid overflow with gap >1s */
- if (tv.tv_sec - ir->base_time.tv_sec > 1) {
- gap = 200000;
- } else {
- gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
- tv.tv_usec - ir->base_time.tv_usec;
- }
-
- /* signal we're ready to start a new code */
- ir->active = 0;
-
- /* Allow some timer jitter (RC5 is ~24ms anyway so this is ok) */
- if (gap < 28000) {
- IR_dprintk(1, "ir-common: spurious timer_end\n");
- return;
- }
-
- if (ir->last_bit < 20) {
- /* ignore spurious codes (caused by light/other remotes) */
- IR_dprintk(1, "ir-common: short code: %x\n", ir->code);
- } else {
- ir->code = (ir->code << ir->shift_by) | 1;
- rc5 = ir_rc5_decode(ir->code);
-
- /* two start bits? */
- if (RC5_START(rc5) != ir->start) {
- IR_dprintk(1, "ir-common: rc5 start bits invalid: %u\n", RC5_START(rc5));
-
- /* right address? */
- } else if (RC5_ADDR(rc5) == ir->addr) {
- u32 toggle = RC5_TOGGLE(rc5);
- u32 instr = RC5_INSTR(rc5);
-
- /* Good code */
- ir_keydown(ir->dev, instr, toggle);
- IR_dprintk(1, "ir-common: instruction %x, toggle %x\n",
- instr, toggle);
- }
- }
-}
-EXPORT_SYMBOL_GPL(ir_rc5_timer_end);
select I2C_ALGOBIT
select VIDEO_BTCX
select VIDEOBUF_DMA_SG
- depends on IR_LEGACY
+ depends on IR_CORE
select VIDEO_TUNER
select VIDEO_TVEEPROM
select VIDEO_MSP3400 if VIDEO_HELPER_CHIPS_AUTO
mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
}
-/* ---------------------------------------------------------------*/
+/*
+ * FIXME: Nebula digi uses the legacy way to decode RC5, instead of relying
+ * on the rc-core way. As we need to be sure that both IRQ transitions are
+ * properly triggered, Better to touch it only with this hardware for
+ * testing.
+ */
+
+/* decode raw bit pattern to RC5 code */
+static u32 bttv_rc5_decode(unsigned int code)
+{
+ unsigned int org_code = code;
+ unsigned int pair;
+ unsigned int rc5 = 0;
+ int i;
+
+ for (i = 0; i < 14; ++i) {
+ pair = code & 0x3;
+ code >>= 2;
+
+ rc5 <<= 1;
+ switch (pair) {
+ case 0:
+ case 2:
+ break;
+ case 1:
+ rc5 |= 1;
+ break;
+ case 3:
+ dprintk(KERN_INFO DEVNAME ":rc5_decode(%x) bad code\n",
+ org_code);
+ return 0;
+ }
+ }
+ dprintk(KERN_INFO DEVNAME ":"
+ "code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
+ "instr=%x\n", rc5, org_code, RC5_START(rc5),
+ RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
+ return rc5;
+}
+
+void bttv_rc5_timer_end(unsigned long data)
+{
+ struct card_ir *ir = (struct card_ir *)data;
+ struct timeval tv;
+ unsigned long current_jiffies;
+ u32 gap;
+ u32 rc5 = 0;
+
+ /* get time */
+ current_jiffies = jiffies;
+ do_gettimeofday(&tv);
+
+ /* avoid overflow with gap >1s */
+ if (tv.tv_sec - ir->base_time.tv_sec > 1) {
+ gap = 200000;
+ } else {
+ gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
+ tv.tv_usec - ir->base_time.tv_usec;
+ }
+
+ /* signal we're ready to start a new code */
+ ir->active = 0;
+
+ /* Allow some timer jitter (RC5 is ~24ms anyway so this is ok) */
+ if (gap < 28000) {
+ dprintk(KERN_INFO DEVNAME ": spurious timer_end\n");
+ return;
+ }
+
+ if (ir->last_bit < 20) {
+ /* ignore spurious codes (caused by light/other remotes) */
+ dprintk(KERN_INFO DEVNAME ": short code: %x\n", ir->code);
+ } else {
+ ir->code = (ir->code << ir->shift_by) | 1;
+ rc5 = bttv_rc5_decode(ir->code);
+
+ /* two start bits? */
+ if (RC5_START(rc5) != ir->start) {
+ printk(KERN_INFO DEVNAME ":"
+ " rc5 start bits invalid: %u\n", RC5_START(rc5));
+
+ /* right address? */
+ } else if (RC5_ADDR(rc5) == ir->addr) {
+ u32 toggle = RC5_TOGGLE(rc5);
+ u32 instr = RC5_INSTR(rc5);
+
+ /* Good code */
+ ir_keydown(ir->dev, instr, toggle);
+ dprintk(KERN_INFO DEVNAME ":"
+ " instruction %x, toggle %x\n",
+ instr, toggle);
+ }
+ }
+}
static int bttv_rc5_irq(struct bttv *btv)
{
} else if (ir->rc5_gpio) {
/* set timer_end for code completion */
init_timer(&ir->timer_end);
- ir->timer_end.function = ir_rc5_timer_end;
+ ir->timer_end.function = bttv_rc5_timer_end;
ir->timer_end.data = (unsigned long)ir;
ir->shift_by = 1;
ir->start = 3;
default:
/*
* The external IR receiver is at i2c address 0x34 (0x35 for
- * reads). Future Hauppauge cards will have an internal
- * receiver at 0x30 (0x31 for reads). In theory, both can be
- * fitted, and Hauppauge suggest an external overrides an
- * internal.
+ * reads). Future Hauppauge cards will have an internal
+ * receiver at 0x30 (0x31 for reads). In theory, both can be
+ * fitted, and Hauppauge suggest an external overrides an
+ * internal.
* That's why we probe 0x1a (~0x34) first. CB
*/
config VIDEO_SAA7134_RC
bool "Philips SAA7134 Remote Controller support"
- depends on IR_LEGACY
+ depends on IR_CORE
depends on VIDEO_SAA7134
default y
---help---
#define i2cdprintk(fmt, arg...) if (ir_debug) \
printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
-/* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */
-static int saa7134_rc5_irq(struct saa7134_dev *dev);
-static int saa7134_nec_irq(struct saa7134_dev *dev);
+/* Helper function for raw decoding at GPIO16 or GPIO18 */
static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
-static void nec_task(unsigned long data);
/* -------------------- GPIO generic keycode builder -------------------- */
if (!ir->running)
return;
- if (ir->nec_gpio) {
- saa7134_nec_irq(dev);
- } else if (!ir->polling && !ir->rc5_gpio && !ir->raw_decode) {
+ if (!ir->polling && !ir->raw_decode) {
build_key(dev);
- } else if (ir->rc5_gpio) {
- saa7134_rc5_irq(dev);
} else if (ir->raw_decode) {
saa7134_raw_decode_irq(dev);
}
(unsigned long)dev);
ir->timer.expires = jiffies + HZ;
add_timer(&ir->timer);
- } else if (ir->rc5_gpio) {
- /* set timer_end for code completion */
- init_timer(&ir->timer_end);
- ir->timer_end.function = ir_rc5_timer_end;
- ir->timer_end.data = (unsigned long)ir;
- ir->shift_by = 2;
- ir->start = 0x2;
- ir->addr = 0x17;
- ir->rc5_remote_gap = ir_rc5_remote_gap;
- } else if (ir->nec_gpio) {
- tasklet_init(&ir->tlet, nec_task, (unsigned long)dev);
} else if (ir->raw_decode) {
/* set timer_end for code completion */
init_timer(&ir->timer_end);
return;
if (dev->remote->polling)
del_timer_sync(&dev->remote->timer);
- else if (ir->rc5_gpio)
- del_timer_sync(&ir->timer_end);
- else if (ir->nec_gpio)
- tasklet_kill(&ir->tlet);
else if (ir->raw_decode) {
del_timer_sync(&ir->timer_end);
ir->active = 0;
__saa7134_ir_stop(dev);
}
-
-static int saa7134_ir_change_protocol(struct rc_dev *rc, u64 ir_type)
-{
- struct saa7134_dev *dev = rc->priv;
- struct card_ir *ir = dev->remote;
- u32 nec_gpio, rc5_gpio;
-
- if (ir_type == IR_TYPE_RC5) {
- dprintk("Changing protocol to RC5\n");
- nec_gpio = 0;
- rc5_gpio = 1;
- } else if (ir_type == IR_TYPE_NEC) {
- dprintk("Changing protocol to NEC\n");
- nec_gpio = 1;
- rc5_gpio = 0;
- } else {
- dprintk("IR protocol type %ud is not supported\n",
- (unsigned)ir_type);
- return -EINVAL;
- }
-
- if (ir->running) {
- saa7134_ir_stop(dev);
- ir->nec_gpio = nec_gpio;
- ir->rc5_gpio = rc5_gpio;
- saa7134_ir_start(dev);
- } else {
- ir->nec_gpio = nec_gpio;
- ir->rc5_gpio = rc5_gpio;
- }
-
- return 0;
-}
-
int saa7134_input_init1(struct saa7134_dev *dev)
{
struct card_ir *ir;
u32 mask_keydown = 0;
u32 mask_keyup = 0;
int polling = 0;
- int rc5_gpio = 0;
- int nec_gpio = 0;
int raw_decode = 0;
- int allow_protocol_change = 0;
int err;
if (dev->has_remote != SAA7134_REMOTE_GPIO)
break;
case SAA7134_BOARD_ENCORE_ENLTV_FM53:
ir_codes = RC_MAP_ENCORE_ENLTV_FM53;
- mask_keydown = 0x0040000;
- mask_keycode = 0x00007f;
- nec_gpio = 1;
+ mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
+ mask_keyup = 0x0040000;
+ mask_keycode = 0xffff;
+ raw_decode = 1;
break;
case SAA7134_BOARD_10MOONSTVMASTER3:
ir_codes = RC_MAP_ENCORE_ENLTV;
ir->mask_keydown = mask_keydown;
ir->mask_keyup = mask_keyup;
ir->polling = polling;
- ir->rc5_gpio = rc5_gpio;
- ir->nec_gpio = nec_gpio;
ir->raw_decode = raw_decode;
/* init input device */
if (raw_decode)
rc->driver_type = RC_DRIVER_IR_RAW;
- if (!raw_decode && allow_protocol_change) {
- rc->allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC;
- rc->change_protocol = saa7134_ir_change_protocol;
- }
-
rc->input_name = ir->name;
rc->input_phys = ir->phys;
rc->input_id.bustype = BUS_PCI;
return 1;
}
-
-static int saa7134_rc5_irq(struct saa7134_dev *dev)
-{
- struct card_ir *ir = dev->remote;
- struct timeval tv;
- u32 gap;
- unsigned long current_jiffies, timeout;
-
- /* get time of bit */
- current_jiffies = jiffies;
- do_gettimeofday(&tv);
-
- /* avoid overflow with gap >1s */
- if (tv.tv_sec - ir->base_time.tv_sec > 1) {
- gap = 200000;
- } else {
- gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
- tv.tv_usec - ir->base_time.tv_usec;
- }
-
- /* active code => add bit */
- if (ir->active) {
- /* only if in the code (otherwise spurious IRQ or timer
- late) */
- if (ir->last_bit < 28) {
- ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
- ir_rc5_remote_gap;
- ir->code |= 1 << ir->last_bit;
- }
- /* starting new code */
- } else {
- ir->active = 1;
- ir->code = 0;
- ir->base_time = tv;
- ir->last_bit = 0;
-
- timeout = current_jiffies + (500 + 30 * HZ) / 1000;
- mod_timer(&ir->timer_end, timeout);
- }
-
- return 1;
-}
-
-static void nec_task(unsigned long data)
-{
- struct saa7134_dev *dev = (struct saa7134_dev *) data;
- struct card_ir *ir;
- struct timeval tv;
- int count, pulse, oldpulse, gap;
- u32 ircode = 0, not_code = 0;
- int ngap = 0;
-
- if (!data) {
- printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
- /* GPIO will be kept disabled */
- return;
- }
-
- ir = dev->remote;
-
- /* rising SAA7134_GPIO_GPRESCAN reads the status */
- saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
- saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
-
- oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
- pulse = oldpulse;
-
- do_gettimeofday(&tv);
- ir->base_time = tv;
-
- /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
- Unfortunately, using IRQ to decode pulse didn't work, since it uses
- a pulse train of 38KHz. This means one pulse on each 52 us
- */
- do {
- /* Wait until the end of pulse/space or 5 ms */
- for (count = 0; count < 500; count++) {
- udelay(10);
- /* rising SAA7134_GPIO_GPRESCAN reads the status */
- saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
- saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
- pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
- & ir->mask_keydown;
- if (pulse != oldpulse)
- break;
- }
-
- do_gettimeofday(&tv);
- gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
- tv.tv_usec - ir->base_time.tv_usec;
-
- if (!pulse) {
- /* Bit 0 has 560 us, while bit 1 has 1120 us.
- Do something only if bit == 1
- */
- if (ngap && (gap > 560 + 280)) {
- unsigned int shift = ngap - 1;
-
- /* Address first, then command */
- if (shift < 8) {
- shift += 8;
- ircode |= 1 << shift;
- } else if (shift < 16) {
- not_code |= 1 << shift;
- } else if (shift < 24) {
- shift -= 16;
- ircode |= 1 << shift;
- } else {
- shift -= 24;
- not_code |= 1 << shift;
- }
- }
- ngap++;
- }
-
-
- ir->base_time = tv;
-
- /* TIMEOUT - Long pulse */
- if (gap >= 5000)
- break;
- oldpulse = pulse;
- } while (ngap < 32);
-
- if (ngap == 32) {
- /* FIXME: should check if not_code == ~ircode */
- ir->code = ir_extract_bits(ircode, ir->mask_keycode);
-
- dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
- ir->code, ircode, not_code);
-
- ir_keydown(ir->dev, ir->code, 0);
- } else {
- dprintk("Repeat last key\n");
- ir_repeat(ir->dev);
- }
-
- saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
-}
-
-static int saa7134_nec_irq(struct saa7134_dev *dev)
-{
- struct card_ir *ir = dev->remote;
-
- saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
- tasklet_schedule(&ir->tlet);
-
- return 1;
-}
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/tuner.h>
-#include <media/ir-common.h>
+#include <media/ir-core.h>
#include <media/ir-kbd-i2c.h>
#include <media/videobuf-dma-sg.h>
#include <sound/core.h>
projects / openwrt / staging / blogic.git / commitdiff