diff options
Diffstat (limited to 'linux/drivers/media/dvb/ttpci/av7110_ir.c')
| -rw-r--r-- | linux/drivers/media/dvb/ttpci/av7110_ir.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/ttpci/av7110_ir.c b/linux/drivers/media/dvb/ttpci/av7110_ir.c new file mode 100644 index 000000000..4e89ed71f --- /dev/null +++ b/linux/drivers/media/dvb/ttpci/av7110_ir.c @@ -0,0 +1,175 @@ +#include <asm/types.h> +#include <asm/bitops.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/input.h> +#include <linux/proc_fs.h> + +#include "av7110.h" + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +#include "input_fake.h" +#endif + + +#define UP_TIMEOUT (HZ/2) + +static int av7110_ir_debug = 0; + +#define dprintk(x...) do { if (av7110_ir_debug) printk (x); } while (0) + + +static struct input_dev input_dev; + + +static +u16 key_map [256] = { + KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, + KEY_8, KEY_9, KEY_MHP, 0, KEY_POWER, KEY_MUTE, 0, KEY_INFO, + KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + KEY_CHANNELUP, KEY_CHANNELDOWN, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, KEY_TEXT, 0, 0, KEY_TV, 0, 0, 0, 0, 0, KEY_SETUP, 0, 0, + 0, 0, 0, KEY_SUBTITLE, 0, 0, KEY_LANGUAGE, 0, + KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0, + KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_OK, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RED, KEY_GREEN, KEY_YELLOW, + KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, KEY_UP, KEY_UP, KEY_DOWN, KEY_DOWN, + 0, 0, 0, 0, KEY_EPG, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_VCR +}; + + +static +void av7110_emit_keyup (unsigned long data) +{ + if (!data || !test_bit (data, input_dev.key)) + return; + + input_event (&input_dev, EV_KEY, data, !!0); +} + + +static +struct timer_list keyup_timer = { function: av7110_emit_keyup }; + + +static +void av7110_emit_key (u32 ircom) +{ + int down = ircom & (0x80000000); + u16 keycode = key_map[ircom & 0xff]; + + dprintk ("#########%08x######### key %02x %s (keycode %i)\n", + ircom, ircom & 0xff, down ? "pressed" : "released", keycode); + + if (!keycode) { + printk ("%s: unknown key 0x%02x!!\n", + __FUNCTION__, ircom & 0xff); + return; + } + + if (timer_pending (&keyup_timer)) { + del_timer (&keyup_timer); + if (keyup_timer.data != keycode) + input_event (&input_dev, EV_KEY, keyup_timer.data, !!0); + } + + clear_bit (keycode, input_dev.key); + + input_event (&input_dev, EV_KEY, keycode, !0); + + keyup_timer.expires = jiffies + UP_TIMEOUT; + keyup_timer.data = keycode; + + add_timer (&keyup_timer); +} + +static +void input_register_keys (void) +{ + int i; + + memset (input_dev.keybit, 0, sizeof(input_dev.keybit)); + + for (i=0; i<sizeof(key_map)/sizeof(key_map[0]); i++) { + if (key_map[i] > KEY_MAX) + key_map[i] = 0; + else if (key_map[i] > KEY_RESERVED) + set_bit (key_map[i], input_dev.keybit); + } +} + + +static +int av7110_ir_write_proc (struct file *file, const char *buffer, + unsigned long count, void *data) +{ + u32 ir_config; + + if (count < 4 + 256 * sizeof(u16)) + return -EINVAL; + + memcpy (&ir_config, buffer, 4); + memcpy (&key_map, buffer + 4, 256 * sizeof(u16)); + + av7110_setup_irc_config (NULL, ir_config); + + input_register_keys (); + + return count; +} + + +int __init av7110_ir_init (void) +{ + static struct proc_dir_entry *e; + + init_timer (&keyup_timer); + keyup_timer.data = 0; + + input_dev.name = "DVB on-card IR receiver"; + + /** + * enable keys + */ + set_bit (EV_KEY, input_dev.evbit); + + input_register_keys (); + + input_register_device(&input_dev); + + av7110_setup_irc_config (NULL, 0x0001); + av7110_register_irc_handler (av7110_emit_key); + + e = create_proc_entry ("av7110_ir", S_IFREG | S_IRUGO | S_IWUSR, NULL); + + if (e) { + e->write_proc = av7110_ir_write_proc; + e->size = 4 + 256 * sizeof(u16); + } + + return 0; +} + + +void __exit av7110_ir_exit (void) +{ + remove_proc_entry ("av7110_ir", NULL); + av7110_unregister_irc_handler (av7110_emit_key); + input_unregister_device(&input_dev); +} + +//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>"); +//MODULE_LICENSE("GPL"); + +MODULE_PARM(av7110_ir_debug,"i"); +MODULE_PARM_DESC(av7110_ir_debug, "enable AV7110 IR receiver debug messages"); + |