arch/arm/mach-mt8127/tpw8127_c_mlc/touchpanel/tpd_button.c

   1 #include "tpd.h"
   2
   3 extern struct tpd_device *tpd;
   4
   5 //#ifdef TPD_HAVE_BUTTON
   6 //static int tpd_keys[TPD_KEY_COUNT] = TPD_KEYS;
   7 //static int tpd_keys_dim[TPD_KEY_COUNT][4] = TPD_KEYS_DIM;
   8 static unsigned int tpd_keycnt = 0;
   9 static int tpd_keys[TPD_VIRTUAL_KEY_MAX]={0};
  10 static int tpd_keys_dim[TPD_VIRTUAL_KEY_MAX][4];// = {0};
  11 static ssize_t mtk_virtual_keys_show(struct kobject *kobj,
  12                    struct kobj_attribute *attr, char *buf) {
  13     int i, j;
  14     for(i=0, j=0;i<tpd_keycnt;i++)
  15         j+=sprintf(buf, "%s%s:%d:%d:%d:%d:%d%s",buf,
  16            __stringify(EV_KEY),tpd_keys[i],
  17            tpd_keys_dim[i][0],tpd_keys_dim[i][1],
  18            tpd_keys_dim[i][2],tpd_keys_dim[i][3],
  19            (i==tpd_keycnt-1?"\n":":"));
  20     return j;
  21 }
  22
  23 static struct kobj_attribute mtk_virtual_keys_attr = {
  24     .attr = {
  25         .name = "virtualkeys.mtk-tpd",
  26         .mode = S_IRUGO,
  27     },
  28     .show = &mtk_virtual_keys_show,
  29 };
  30
  31 static struct attribute *mtk_properties_attrs[] = {
  32     &mtk_virtual_keys_attr.attr,
  33     NULL
  34 };
  35
  36 static struct attribute_group mtk_properties_attr_group = {
  37     .attrs = mtk_properties_attrs,
  38 };
  39
  40 struct kobject *properties_kobj;
  41
  42 void tpd_button_init(void) {
  43     int ret = 0, i = 0;
  44 #if 0
  45         for(i=0; i<TPD_VIRTUAL_KEY_MAX; i++)
  46         {
  47                 for(j=0; j<4; j++)
  48                 {
  49                         tpd_keys_dim[i][j]=0;
  50                 }
  51         }
  52 #endif
  53 //    if((tpd->kpd=input_allocate_device())==NULL) return -ENOMEM;
  54     tpd->kpd=input_allocate_device();
  55     /* struct input_dev kpd initialization and registration */
  56     tpd->kpd->name = TPD_DEVICE "-kpd";
  57     set_bit(EV_KEY, tpd->kpd->evbit);
  58     //set_bit(EV_REL, tpd->kpd->evbit);
  59     //set_bit(EV_ABS, tpd->kpd->evbit);
  60     for(i=0;i<tpd_keycnt;i++)
  61         __set_bit(tpd_keys[i], tpd->kpd->keybit);
  62     tpd->kpd->id.bustype = BUS_HOST;
  63     tpd->kpd->id.vendor  = 0x0001;
  64     tpd->kpd->id.product = 0x0001;
  65     tpd->kpd->id.version = 0x0100;
  66     if(input_register_device(tpd->kpd))
  67         TPD_DMESG("input_register_device failed.(kpd)\n");
  68     set_bit(EV_KEY, tpd->dev->evbit);
  69     for(i=0;i<tpd_keycnt;i++)
  70         __set_bit(tpd_keys[i], tpd->dev->keybit);
  71     properties_kobj = kobject_create_and_add("board_properties", NULL);
  72     if(properties_kobj)
  73         ret = sysfs_create_group(properties_kobj,&mtk_properties_attr_group);
  74     if(!properties_kobj || ret)
  75     printk("failed to create board_properties\n");
  76 }
  77
  78 void tpd_button(unsigned int x, unsigned int y, unsigned int down) {
  79     int i;
  80     if(down) {
  81         for(i=0;i<tpd_keycnt;i++)
  82                 {
  83             if(x>=tpd_keys_dim[i][0]-(tpd_keys_dim[i][2]/2) &&
  84                x<=tpd_keys_dim[i][0]+(tpd_keys_dim[i][2]/2) &&
  85                y>=tpd_keys_dim[i][1]-(tpd_keys_dim[i][3]/2) &&
  86                y<=tpd_keys_dim[i][1]+(tpd_keys_dim[i][3]/2) &&
  87                !(tpd->btn_state&(1<<i)))
  88             {
  89                 input_report_key(tpd->kpd, tpd_keys[i], 1);
  90                                 input_sync(tpd->kpd);
  91                 tpd->btn_state|=(1<<i);
  92                 TPD_DEBUG("[mtk-tpd] press key %d (%d)\n",i, tpd_keys[i]);
  93                                 printk("[mtk-tpd] press key %d (%d)\n",i, tpd_keys[i]);
  94             }
  95         }
  96     } else {
  97         for(i=0;i<tpd_keycnt;i++) {
  98             if(tpd->btn_state&(1<<i)) {
  99                 input_report_key(tpd->kpd, tpd_keys[i], 0);
 100                                 input_sync(tpd->kpd);
 101                 TPD_DEBUG("[mtk-tpd] release key %d (%d)\n",i, tpd_keys[i]);
 102                                 printk("[mtk-tpd] release key %d (%d)\n",i, tpd_keys[i]);
 103             }
 104         }
 105         tpd->btn_state=0;
 106     }
 107 }
 108 void tpd_button_setting(int keycnt, void *keys, void *keys_dim)
 109 {
 110                 tpd_keycnt = keycnt;
 111                 memcpy(tpd_keys, keys, keycnt*4);
 112                 memcpy(tpd_keys_dim, keys_dim, keycnt*4*4);
 113 }
 114 //#endif