static int ir_debug;
module_param(ir_debug, int, 0644);
-static int repeat_delay = 500;
-module_param(repeat_delay, int, 0644);
-static int repeat_period = 33;
-module_param(repeat_period, int, 0644);
static int ir_rc5_remote_gap = 885;
module_param(ir_rc5_remote_gap, int, 0644);
-static int ir_rc5_key_timeout = 200;
-module_param(ir_rc5_key_timeout, int, 0644);
#undef dprintk
#define dprintk(arg...) do { \
static void ir_handle_key(struct bttv *btv)
{
- struct card_ir *ir = btv->remote;
+ struct bttv_ir *ir = btv->remote;
u32 gpio,data;
/* read gpio value */
(gpio & ir->mask_keydown) ? " down" : "",
(gpio & ir->mask_keyup) ? " up" : "");
- 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);
+ if ((ir->mask_keydown && (gpio & ir->mask_keydown)) ||
+ (ir->mask_keyup && !(gpio & ir->mask_keyup))) {
+ rc_keydown_notimeout(ir->dev, data, 0);
} else {
/* HACK: Probably, ir->mask_keydown is missing
for this board */
if (btv->c.type == BTTV_BOARD_WINFAST2000)
- ir_input_keydown(ir->dev, &ir->ir, data);
+ rc_keydown_notimeout(ir->dev, data, 0);
- ir_input_nokey(ir->dev,&ir->ir);
+ rc_keyup(ir->dev);
}
-
}
static void ir_enltv_handle_key(struct bttv *btv)
{
- struct card_ir *ir = btv->remote;
+ struct bttv_ir *ir = btv->remote;
u32 gpio, data, keyup;
/* read gpio value */
gpio, data,
(gpio & ir->mask_keyup) ? " up" : "up/down");
- ir_input_keydown(ir->dev, &ir->ir, data);
+ rc_keydown_notimeout(ir->dev, data, 0);
if (keyup)
- ir_input_nokey(ir->dev, &ir->ir);
+ rc_keyup(ir->dev);
} else {
if ((ir->last_gpio & 1 << 31) == keyup)
return;
(gpio & ir->mask_keyup) ? " up" : "down");
if (keyup)
- ir_input_nokey(ir->dev, &ir->ir);
+ rc_keyup(ir->dev);
else
- ir_input_keydown(ir->dev, &ir->ir, data);
+ rc_keydown_notimeout(ir->dev, data, 0);
}
ir->last_gpio = data | keyup;
}
+static int bttv_rc5_irq(struct bttv *btv);
+
void bttv_input_irq(struct bttv *btv)
{
- struct card_ir *ir = btv->remote;
+ struct bttv_ir *ir = btv->remote;
- if (!ir->polling)
+ if (ir->rc5_gpio)
+ bttv_rc5_irq(btv);
+ else if (!ir->polling)
ir_handle_key(btv);
}
static void bttv_input_timer(unsigned long data)
{
struct bttv *btv = (struct bttv*)data;
- struct card_ir *ir = btv->remote;
+ struct bttv_ir *ir = btv->remote;
if (btv->c.type == BTTV_BOARD_ENLTV_FM_2)
ir_enltv_handle_key(btv);
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.
+ */
+
+#define RC5_START(x) (((x) >> 12) & 3)
+#define RC5_TOGGLE(x) (((x) >> 11) & 1)
+#define RC5_ADDR(x) (((x) >> 6) & 31)
+#define RC5_INSTR(x) ((x) & 63)
+
+/* 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;
+}
+
+static void bttv_rc5_timer_end(unsigned long data)
+{
+ struct bttv_ir *ir = (struct bttv_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 = false;
+
+ /* 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 */
+ rc_keydown(ir->dev, instr, toggle);
+ dprintk(KERN_INFO DEVNAME ":"
+ " instruction %x, toggle %x\n",
+ instr, toggle);
+ }
+ }
+}
static int bttv_rc5_irq(struct bttv *btv)
{
- struct card_ir *ir = btv->remote;
+ struct bttv_ir *ir = btv->remote;
struct timeval tv;
u32 gpio;
u32 gap;
/* read gpio port */
gpio = bttv_gpio_read(&btv->c);
- /* remote IRQ? */
- if (!(gpio & 0x20))
- return 0;
-
/* get time of bit */
current_jiffies = jiffies;
do_gettimeofday(&tv);
tv.tv_usec - ir->base_time.tv_usec;
}
+ dprintk(KERN_INFO DEVNAME ": RC5 IRQ: gap %d us for %s\n",
+ gap, (gpio & 0x20) ? "mark" : "space");
+
+ /* remote IRQ? */
+ if (!(gpio & 0x20))
+ return 0;
+
/* active code => add bit */
if (ir->active) {
/* only if in the code (otherwise spurious IRQ or timer
}
/* starting new code */
} else {
- ir->active = 1;
+ ir->active = true;
ir->code = 0;
ir->base_time = tv;
ir->last_bit = 0;
- mod_timer(&ir->timer_end,
- current_jiffies + msecs_to_jiffies(30));
+ mod_timer(&ir->timer, current_jiffies + msecs_to_jiffies(30));
}
/* toggle GPIO pin 4 to reset the irq */
/* ---------------------------------------------------------------------- */
-static void bttv_ir_start(struct bttv *btv, struct card_ir *ir)
+static void bttv_ir_start(struct bttv *btv, struct bttv_ir *ir)
{
if (ir->polling) {
setup_timer(&ir->timer, bttv_input_timer, (unsigned long)btv);
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;
-
- init_timer(&ir->timer_keyup);
- ir->timer_keyup.function = ir_rc5_timer_keyup;
- ir->timer_keyup.data = (unsigned long)ir;
+ setup_timer(&ir->timer, bttv_rc5_timer_end, (unsigned long)ir);
ir->shift_by = 1;
ir->start = 3;
ir->addr = 0x0;
- ir->rc5_key_timeout = ir_rc5_key_timeout;
ir->rc5_remote_gap = ir_rc5_remote_gap;
}
}
if (btv->remote->rc5_gpio) {
u32 gpio;
- del_timer_sync(&btv->remote->timer_end);
+ del_timer_sync(&btv->remote->timer);
gpio = bttv_gpio_read(&btv->c);
bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
return 0;
dprintk(KERN_INFO DEVNAME ": key %02x\n", b);
+ /*
+ * NOTE:
+ * lirc_i2c maps the pv951 code as:
+ * addr = 0x61D6
+ * cmd = bit_reverse (b)
+ * So, it seems that this device uses NEC extended
+ * I decided to not fix the table, due to two reasons:
+ * 1) Without the actual device, this is only a guess;
+ * 2) As the addr is not reported via I2C, nor can be changed,
+ * the device is bound to the vendor-provided RC.
+ */
+
*ir_key = b;
*ir_raw = b;
return 1;
btv->init_data.name = "PV951";
btv->init_data.get_key = get_key_pv951;
btv->init_data.ir_codes = RC_MAP_PV951;
- btv->init_data.type = IR_TYPE_OTHER;
info.addr = 0x4b;
break;
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
*/
int bttv_input_init(struct bttv *btv)
{
- struct card_ir *ir;
+ struct bttv_ir *ir;
char *ir_codes = NULL;
- struct input_dev *input_dev;
- u64 ir_type = IR_TYPE_OTHER;
+ struct rc_dev *rc;
int err = -ENOMEM;
if (!btv->has_remote)
return -ENODEV;
ir = kzalloc(sizeof(*ir),GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!ir || !input_dev)
+ rc = rc_allocate_device();
+ if (!ir || !rc)
goto err_out_free;
/* detect & configure */
break;
case BTTV_BOARD_NEBULA_DIGITV:
ir_codes = RC_MAP_NEBULA;
- btv->custom_irq = bttv_rc5_irq;
- ir->rc5_gpio = 1;
+ ir->rc5_gpio = true;
break;
case BTTV_BOARD_MACHTV_MAGICTV:
ir_codes = RC_MAP_APAC_VIEWCOMP;
}
/* init input device */
- ir->dev = input_dev;
+ ir->dev = rc;
snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
btv->c.type);
snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
pci_name(btv->c.pci));
- err = ir_input_init(input_dev, &ir->ir, ir_type);
- if (err < 0)
- goto err_out_free;
-
- input_dev->name = ir->name;
- input_dev->phys = ir->phys;
- input_dev->id.bustype = BUS_PCI;
- input_dev->id.version = 1;
+ rc->input_name = ir->name;
+ rc->input_phys = ir->phys;
+ rc->input_id.bustype = BUS_PCI;
+ rc->input_id.version = 1;
if (btv->c.pci->subsystem_vendor) {
- input_dev->id.vendor = btv->c.pci->subsystem_vendor;
- input_dev->id.product = btv->c.pci->subsystem_device;
+ rc->input_id.vendor = btv->c.pci->subsystem_vendor;
+ rc->input_id.product = btv->c.pci->subsystem_device;
} else {
- input_dev->id.vendor = btv->c.pci->vendor;
- input_dev->id.product = btv->c.pci->device;
+ rc->input_id.vendor = btv->c.pci->vendor;
+ rc->input_id.product = btv->c.pci->device;
}
- input_dev->dev.parent = &btv->c.pci->dev;
+ rc->dev.parent = &btv->c.pci->dev;
+ rc->map_name = ir_codes;
+ rc->driver_name = MODULE_NAME;
btv->remote = ir;
bttv_ir_start(btv, ir);
/* all done */
- err = ir_input_register(btv->remote->dev, ir_codes, NULL, MODULE_NAME);
+ err = rc_register_device(rc);
if (err)
goto err_out_stop;
- /* the remote isn't as bouncy as a keyboard */
- ir->dev->rep[REP_DELAY] = repeat_delay;
- ir->dev->rep[REP_PERIOD] = repeat_period;
-
return 0;
err_out_stop:
bttv_ir_stop(btv);
btv->remote = NULL;
err_out_free:
+ rc_free_device(rc);
kfree(ir);
return err;
}
return;
bttv_ir_stop(btv);
- ir_input_unregister(btv->remote->dev);
+ rc_unregister_device(btv->remote->dev);
kfree(btv->remote);
btv->remote = NULL;
}
projects / cascardo / linux.git / blobdiff