#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/input.h>
-#include <linux/pci.h>
#include "bttv.h"
-#include <media/ir-common.h>
+#include "bttvp.h"
/* ---------------------------------------------------------------------- */
/* ---------------------------------------------------------------------- */
-/* Ricardo Cerqueira <v4l@cerqueira.org> */
-/* Weird matching, since the remote has "uncommon" keys */
-
static IR_KEYTAB_TYPE ir_codes_conceptronic[IR_KEYTAB_SIZE] = {
[ 30 ] = KEY_POWER, // power
[0x36] = KEY_PC
};
-struct IR {
- struct bttv_sub_device *sub;
- struct input_dev *input;
- struct ir_input_state ir;
- char name[32];
- char phys[32];
-
- /* Usual gpio signalling */
-
- u32 mask_keycode;
- u32 mask_keydown;
- u32 mask_keyup;
- u32 polling;
- u32 last_gpio;
- struct work_struct work;
- struct timer_list timer;
-
- /* RC5 gpio */
- u32 rc5_gpio;
- struct timer_list timer_end; /* timer_end for code completion */
- struct timer_list timer_keyup; /* timer_end for key release */
- u32 last_rc5; /* last good rc5 code */
- u32 last_bit; /* last raw bit seen */
- u32 code; /* raw code under construction */
- struct timeval base_time; /* time of last seen code */
- int active; /* building raw code */
-};
-
static int debug;
module_param(debug, int, 0644); /* debug level (0,1,2) */
static int repeat_delay = 500;
static int repeat_period = 33;
module_param(repeat_period, int, 0644);
-#define DEVNAME "ir-kbd-gpio"
-#define dprintk(fmt, arg...) if (debug) \
- printk(KERN_DEBUG DEVNAME ": " fmt , ## arg)
-
-static void ir_irq(struct bttv_sub_device *sub);
-static int ir_probe(struct device *dev);
-static int ir_remove(struct device *dev);
-
-static struct bttv_sub_driver driver = {
- .drv = {
- .name = DEVNAME,
- .probe = ir_probe,
- .remove = ir_remove,
- },
- .gpio_irq = ir_irq,
-};
+#define DEVNAME "bttv-input"
/* ---------------------------------------------------------------------- */
-static void ir_handle_key(struct IR *ir)
+static void ir_handle_key(struct bttv *btv)
{
+ struct bttv_ir *ir = btv->remote;
u32 gpio,data;
/* read gpio value */
- gpio = bttv_gpio_read(ir->sub->core);
+ gpio = bttv_gpio_read(&btv->c);
if (ir->polling) {
if (ir->last_gpio == gpio)
return;
/* extract data */
data = ir_extract_bits(gpio, ir->mask_keycode);
- dprintk(DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n",
+ dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n",
gpio, data,
ir->polling ? "poll" : "irq",
(gpio & ir->mask_keydown) ? " down" : "",
(gpio & ir->mask_keyup) ? " up" : "");
- if (ir->mask_keydown) {
- /* bit set on keydown */
- if (gpio & ir->mask_keydown) {
- ir_input_keydown(ir->input, &ir->ir, data, data);
- } else {
- ir_input_nokey(ir->input, &ir->ir);
- }
-
- } else if (ir->mask_keyup) {
- /* bit cleared on keydown */
- if (0 == (gpio & ir->mask_keyup)) {
- ir_input_keydown(ir->input, &ir->ir, data, data);
- } else {
- ir_input_nokey(ir->input, &ir->ir);
- }
-
+ if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
+ (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
+ ir_input_keydown(ir->dev,&ir->ir,data,data);
} else {
- /* can't disturgissh keydown/up :-/ */
- ir_input_keydown(ir->input, &ir->ir, data, data);
- ir_input_nokey(ir->input, &ir->ir);
+ ir_input_nokey(ir->dev,&ir->ir);
}
-}
-static void ir_irq(struct bttv_sub_device *sub)
-{
- struct IR *ir = dev_get_drvdata(&sub->dev);
-
- if (!ir->polling)
- ir_handle_key(ir);
}
-static void ir_timer(unsigned long data)
+void bttv_input_irq(struct bttv *btv)
{
- struct IR *ir = (struct IR*)data;
+ struct bttv_ir *ir = btv->remote;
- schedule_work(&ir->work);
+ if (!ir->polling)
+ ir_handle_key(btv);
}
-static void ir_work(void *data)
+static void bttv_input_timer(unsigned long data)
{
- struct IR *ir = data;
+ struct bttv *btv = (struct bttv*)data;
+ struct bttv_ir *ir = btv->remote;
unsigned long timeout;
- ir_handle_key(ir);
+ ir_handle_key(btv);
timeout = jiffies + (ir->polling * HZ / 1000);
mod_timer(&ir->timer, timeout);
}
rc5 |= 1;
break;
case 3:
- dprintk("bad code: %x\n", org_code);
+ dprintk(KERN_WARNING "bad code: %x\n", org_code);
return 0;
}
}
- dprintk("code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
+ dprintk(KERN_WARNING "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;
}
-static int ir_rc5_irq(struct bttv_sub_device *sub)
+static int bttv_rc5_irq(struct bttv *btv)
{
- struct IR *ir = dev_get_drvdata(&sub->dev);
+ struct bttv_ir *ir = btv->remote;
struct timeval tv;
u32 gpio;
u32 gap;
unsigned long current_jiffies, timeout;
/* read gpio port */
- gpio = bttv_gpio_read(ir->sub->core);
+ gpio = bttv_gpio_read(&btv->c);
/* remote IRQ? */
if (!(gpio & 0x20))
}
/* toggle GPIO pin 4 to reset the irq */
- bttv_gpio_write(ir->sub->core, gpio & ~(1 << 4));
- bttv_gpio_write(ir->sub->core, gpio | (1 << 4));
+ bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
+ bttv_gpio_write(&btv->c, gpio | (1 << 4));
return 1;
}
-static void ir_rc5_timer_end(unsigned long data)
+
+static void bttv_rc5_timer_end(unsigned long data)
{
- struct IR *ir = (struct IR *)data;
+ struct bttv_ir *ir = (struct bttv_ir *)data;
struct timeval tv;
unsigned long current_jiffies, timeout;
u32 gap;
/* Allow some timmer jitter (RC5 is ~24ms anyway so this is ok) */
if (gap < 28000) {
- dprintk("spurious timer_end\n");
+ dprintk(KERN_WARNING "spurious timer_end\n");
return;
}
ir->active = 0;
if (ir->last_bit < 20) {
/* ignore spurious codes (caused by light/other remotes) */
- dprintk("short code: %x\n", ir->code);
+ dprintk(KERN_WARNING "short code: %x\n", ir->code);
} else {
u32 rc5 = rc5_decode(ir->code);
/* two start bits? */
if (RC5_START(rc5) != 3) {
- dprintk("rc5 start bits invalid: %u\n", RC5_START(rc5));
+ dprintk(KERN_WARNING "rc5 start bits invalid: %u\n", RC5_START(rc5));
/* right address? */
} else if (RC5_ADDR(rc5) == 0x0) {
/* Good code, decide if repeat/repress */
if (toggle != RC5_TOGGLE(ir->last_rc5) ||
instr != RC5_INSTR(ir->last_rc5)) {
- dprintk("instruction %x, toggle %x\n", instr,
+ dprintk(KERN_WARNING "instruction %x, toggle %x\n", instr,
toggle);
- ir_input_nokey(ir->input, &ir->ir);
- ir_input_keydown(ir->input, &ir->ir, instr,
+ ir_input_nokey(ir->dev, &ir->ir);
+ ir_input_keydown(ir->dev, &ir->ir, instr,
instr);
}
}
}
-static void ir_rc5_timer_keyup(unsigned long data)
+static void bttv_rc5_timer_keyup(unsigned long data)
{
- struct IR *ir = (struct IR *)data;
+ struct bttv_ir *ir = (struct bttv_ir *)data;
- dprintk("key released\n");
- ir_input_nokey(ir->input, &ir->ir);
+ dprintk(KERN_DEBUG "key released\n");
+ ir_input_nokey(ir->dev, &ir->ir);
}
/* ---------------------------------------------------------------------- */
-static int ir_probe(struct device *dev)
+int bttv_input_init(struct bttv *btv)
{
- struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
- struct IR *ir;
- struct input_dev *input_dev;
+ struct bttv_ir *ir;
IR_KEYTAB_TYPE *ir_codes = NULL;
+ struct input_dev *input_dev;
int ir_type = IR_TYPE_OTHER;
- ir = kzalloc(sizeof(*ir), GFP_KERNEL);
+ if (!btv->has_remote)
+ return -ENODEV;
+
+ ir = kzalloc(sizeof(*ir),GFP_KERNEL);
input_dev = input_allocate_device();
if (!ir || !input_dev) {
kfree(ir);
input_free_device(input_dev);
return -ENOMEM;
}
+ memset(ir,0,sizeof(*ir));
/* detect & configure */
- switch (sub->core->type) {
+ switch (btv->c.type) {
case BTTV_BOARD_AVERMEDIA:
case BTTV_BOARD_AVPHONE98:
case BTTV_BOARD_AVERMEDIA98:
break;
case BTTV_BOARD_NEBULA_DIGITV:
ir_codes = ir_codes_nebula;
- driver.any_irq = ir_rc5_irq;
- driver.gpio_irq = NULL;
+ btv->custom_irq = bttv_rc5_irq;
ir->rc5_gpio = 1;
break;
}
if (NULL == ir_codes) {
+ dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n",btv->c.type);
kfree(ir);
input_free_device(input_dev);
return -ENODEV;
if (ir->rc5_gpio) {
u32 gpio;
/* enable remote irq */
- bttv_gpio_inout(sub->core, (1 << 4), 1 << 4);
- gpio = bttv_gpio_read(sub->core);
- bttv_gpio_write(sub->core, gpio & ~(1 << 4));
- bttv_gpio_write(sub->core, gpio | (1 << 4));
+ bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4);
+ gpio = bttv_gpio_read(&btv->c);
+ bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
+ bttv_gpio_write(&btv->c, gpio | (1 << 4));
} else {
/* init hardware-specific stuff */
- bttv_gpio_inout(sub->core, ir->mask_keycode | ir->mask_keydown, 0);
+ bttv_gpio_inout(&btv->c, ir->mask_keycode | ir->mask_keydown, 0);
}
/* init input device */
+ ir->dev = input_dev;
+
snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
- sub->core->type);
+ btv->c.type);
snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
- pci_name(sub->core->pci));
+ pci_name(btv->c.pci));
- ir->input = input_dev;
- ir->sub = sub;
ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
input_dev->name = ir->name;
input_dev->phys = ir->phys;
input_dev->id.bustype = BUS_PCI;
input_dev->id.version = 1;
- if (sub->core->pci->subsystem_vendor) {
- input_dev->id.vendor = sub->core->pci->subsystem_vendor;
- input_dev->id.product = sub->core->pci->subsystem_device;
+ if (btv->c.pci->subsystem_vendor) {
+ input_dev->id.vendor = btv->c.pci->subsystem_vendor;
+ input_dev->id.product = btv->c.pci->subsystem_device;
} else {
- input_dev->id.vendor = sub->core->pci->vendor;
- input_dev->id.product = sub->core->pci->device;
+ input_dev->id.vendor = btv->c.pci->vendor;
+ input_dev->id.product = btv->c.pci->device;
}
- input_dev->cdev.dev = &sub->core->pci->dev;
+ input_dev->cdev.dev = &btv->c.pci->dev;
+ btv->remote = ir;
if (ir->polling) {
- INIT_WORK(&ir->work, ir_work, ir);
init_timer(&ir->timer);
- ir->timer.function = ir_timer;
- ir->timer.data = (unsigned long)ir;
- schedule_work(&ir->work);
+ ir->timer.function = bttv_input_timer;
+ ir->timer.data = (unsigned long)btv;
+ 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.function = bttv_rc5_timer_end;
ir->timer_end.data = (unsigned long)ir;
init_timer(&ir->timer_keyup);
- ir->timer_keyup.function = ir_rc5_timer_keyup;
+ ir->timer_keyup.function = bttv_rc5_timer_keyup;
ir->timer_keyup.data = (unsigned long)ir;
}
/* all done */
- dev_set_drvdata(dev, ir);
- input_register_device(ir->input);
+ input_register_device(btv->remote->dev);
+ printk(DEVNAME ": %s detected at %s\n",ir->dev->name,ir->dev->phys);
/* the remote isn't as bouncy as a keyboard */
- ir->input->rep[REP_DELAY] = repeat_delay;
- ir->input->rep[REP_PERIOD] = repeat_period;
+ ir->dev->rep[REP_DELAY] = repeat_delay;
+ ir->dev->rep[REP_PERIOD] = repeat_period;
return 0;
}
-static int ir_remove(struct device *dev)
+void bttv_input_fini(struct bttv *btv)
{
- struct IR *ir = dev_get_drvdata(dev);
+ if (btv->remote == NULL)
+ return;
- if (ir->polling) {
- del_timer(&ir->timer);
+ if (btv->remote->polling) {
+ del_timer_sync(&btv->remote->timer);
flush_scheduled_work();
}
- if (ir->rc5_gpio) {
+
+ if (btv->remote->rc5_gpio) {
u32 gpio;
- del_timer(&ir->timer_end);
+ del_timer(&btv->remote->timer_end);
flush_scheduled_work();
- gpio = bttv_gpio_read(ir->sub->core);
- bttv_gpio_write(ir->sub->core, gpio & ~(1 << 4));
+ gpio = bttv_gpio_read(&btv->c);
+ bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
}
- input_unregister_device(ir->input);
- kfree(ir);
- return 0;
+ input_unregister_device(btv->remote->dev);
+ kfree(btv->remote);
+ btv->remote = NULL;
}
-/* ---------------------------------------------------------------------- */
-
-MODULE_AUTHOR("Gerd Knorr, Pavel Machek");
-MODULE_DESCRIPTION("input driver for bt8x8 gpio IR remote controls");
-MODULE_LICENSE("GPL");
-
-static int ir_init(void)
-{
- return bttv_sub_register(&driver, "remote");
-}
-
-static void ir_fini(void)
-{
- bttv_sub_unregister(&driver);
-}
-
-module_init(ir_init);
-module_exit(ir_fini);
-
/*
* Local variables:
projects / linux-2.6 / commitdiff