#include <linux/types.h> #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/input.h> #include <linux/proc_fs.h> #include <linux/kernel.h> #include <asm/bitops.h> #include "av7110.h" #include "av7110_hw.h" #define UP_TIMEOUT (HZ*7/25) /* enable ir debugging by or'ing debug with 16 */ static int av_cnt; static struct av7110 *av_list[4]; static struct input_dev *input_dev; static char input_phys[32]; static u8 delay_timer_finished; 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_BACK, 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_report_key(input_dev, data, 0); input_sync(input_dev); } static struct timer_list keyup_timer = { .function = av7110_emit_keyup }; static void av7110_emit_key(unsigned long parm) { struct av7110 *av7110 = (struct av7110 *) parm; u32 ir_config = av7110->ir_config; u32 ircom = av7110->ir_command; u8 data; u8 addr; static u16 old_toggle = 0; u16 new_toggle; u16 keycode; /* extract device address and data */ switch (ir_config & 0x0003) { case 0: /* RC5: 5 bits device address, 6 bits data */ data = ircom & 0x3f; addr = (ircom >> 6) & 0x1f; break; case 1: /* RCMM: 8(?) bits device address, 8(?) bits data */ data = ircom & 0xff; addr = (ircom >> 8) & 0xff; break; case 2: /* extended RC5: 5 bits device address, 7 bits data */ data = ircom & 0x3f; addr = (ircom >> 6) & 0x1f; /* invert 7th data bit for backward compatibility with RC5 keymaps */ if (!(ircom & 0x1000)) data |= 0x40; break; default: printk("invalid ir_config %x\n", ir_config); return; } keycode = key_map[data]; dprintk(16, "code %08x -> addr %i data 0x%02x -> keycode %i\n", ircom, addr, data, keycode); /* check device address (if selected) */ if (ir_config & 0x4000) if (addr != ((ir_config >> 16) & 0xff)) return; if (!keycode) { printk ("%s: unknown key 0x%02x!!\n", __FUNCTION__, data); return; } if ((ir_config & 0x0003) == 1) new_toggle = 0; /* RCMM */ else new_toggle = (ircom & 0x800); /* RC5, extended RC5 */ if (timer_pending(&keyup_timer)) { del_timer(&keyup_timer); if (keyup_timer.data != keycode || new_toggle != old_toggle) { delay_timer_finished = 0; input_event(input_dev, EV_KEY, keyup_timer.data, 0); input_event(input_dev, EV_KEY, keycode, 1); input_sync(input_dev); } else if (delay_timer_finished) { input_event(input_dev, EV_KEY, keycode, 2); input_sync(input_dev); } } else { delay_timer_finished = 0; input_event(input_dev, EV_KEY, keycode, 1); input_sync(input_dev); } keyup_timer.expires = jiffies + UP_TIMEOUT; keyup_timer.data = keycode; add_timer(&keyup_timer); old_toggle = new_toggle; } static void input_register_keys(void) { int i; memset(input_dev->keybit, 0, sizeof(input_dev->keybit)); for (i = 0; i < ARRAY_SIZE(key_map); 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 void input_repeat_key(unsigned long data) { /* called by the input driver after rep[REP_DELAY] ms */ delay_timer_finished = 1; } static int av7110_setup_irc_config(struct av7110 *av7110, u32 ir_config) { int ret = 0; dprintk(4, "%p\n", av7110); if (av7110) { ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1, ir_config); av7110->ir_config = ir_config; } return ret; } static int av7110_ir_write_proc(struct file *file, const char __user *buffer, unsigned long count, void *data) { char *page; int size = 4 + 256 * sizeof(u16); u32 ir_config; int i; if (count < size) return -EINVAL; page = (char *) vmalloc(size); if (!page) return -ENOMEM; if (copy_from_user(page, buffer, size)) { vfree(page); return -EFAULT; } memcpy(&ir_config, page, 4); memcpy(&key_map, page + 4, 256 * sizeof(u16)); vfree(page); if (FW_VERSION(av_list[0]->arm_app) >= 0x2620 && !(ir_config & 0x0001)) ir_config |= 0x0002; /* enable extended RC5 */ for (i = 0; i < av_cnt; i++) av7110_setup_irc_config(av_list[i], ir_config); input_register_keys(); return count; } static void ir_handler(struct av7110 *av7110, u32 ircom) { dprintk(4, "ircommand = %08x\n", ircom); av7110->ir_command = ircom; tasklet_schedule(&av7110->ir_tasklet); } int __devinit av7110_ir_init(struct av7110 *av7110) { static struct proc_dir_entry *e; int err; if (av_cnt >= ARRAY_SIZE(av_list)) return -ENOSPC; av7110_setup_irc_config(av7110, 0x0001); av_list[av_cnt++] = av7110; if (av_cnt == 1) { init_timer(&keyup_timer); keyup_timer.data = 0; input_dev = input_allocate_device(); if (!input_dev) return -ENOMEM; snprintf(input_phys, sizeof(input_phys), "pci-%s/ir0", pci_name(av7110->dev->pci)); input_dev->name = "DVB on-card IR receiver"; input_dev->phys = input_phys; input_dev->id.bustype = BUS_PCI; input_dev->id.version = 1; if (av7110->dev->pci->subsystem_vendor) { input_dev->id.vendor = av7110->dev->pci->subsystem_vendor; input_dev->id.product = av7110->dev->pci->subsystem_device; } else { input_dev->id.vendor = av7110->dev->pci->vendor; input_dev->id.product = av7110->dev->pci->device; } input_dev->cdev.dev = &av7110->dev->pci->dev; set_bit(EV_KEY, input_dev->evbit); set_bit(EV_REP, input_dev->evbit); input_register_keys(); err = input_register_device(input_dev); if (err) { input_free_device(input_dev); return err; } input_dev->timer.function = input_repeat_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); } } tasklet_init(&av7110->ir_tasklet, av7110_emit_key, (unsigned long) av7110); av7110->ir_handler = ir_handler; return 0; } void __devexit av7110_ir_exit(struct av7110 *av7110) { int i; if (av_cnt == 0) return; av7110->ir_handler = NULL; tasklet_kill(&av7110->ir_tasklet); for (i = 0; i < av_cnt; i++) if (av_list[i] == av7110) { av_list[i] = av_list[av_cnt-1]; av_list[av_cnt-1] = NULL; break; } if (av_cnt == 1) { del_timer_sync(&keyup_timer); remove_proc_entry("av7110_ir", NULL); input_unregister_device(input_dev); } av_cnt--; } //MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>"); //MODULE_LICENSE("GPL");