frontend/plat_pandora.c

   1 /*
   2  * (C) notaz, 2011
   3  *
   4  * This work is licensed under the terms of the GNU GPLv2 or later.
   5  * See the COPYING file in the top-level directory.
   6  */
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <fcntl.h>
  14 #include <sys/ioctl.h>
  15 #include <unistd.h>
  16 #include <linux/input.h>
  17 #include <errno.h>
  18
  19 #include "common/input.h"
  20 #include "linux/in_evdev.h"
  21 #include "plugin_lib.h"
  22 #include "plat.h"
  23 #include "main.h"
  24
  25 static const char * const pandora_gpio_keys[KEY_MAX + 1] = {
  26         [0 ... KEY_MAX] = NULL,
  27         [KEY_UP]        = "Up",
  28         [KEY_LEFT]      = "Left",
  29         [KEY_RIGHT]     = "Right",
  30         [KEY_DOWN]      = "Down",
  31         [KEY_HOME]      = "(A)",
  32         [KEY_PAGEDOWN]  = "(X)",
  33         [KEY_END]       = "(B)",
  34         [KEY_PAGEUP]    = "(Y)",
  35         [KEY_RIGHTSHIFT]= "(L)",
  36         [KEY_RIGHTCTRL] = "(R)",
  37         [KEY_LEFTALT]   = "Start",
  38         [KEY_LEFTCTRL]  = "Select",
  39         [KEY_MENU]      = "Pandora",
  40 };
  41
  42 static const struct in_default_bind in_evdev_defbinds[] = {
  43         { KEY_UP,       IN_BINDTYPE_PLAYER12, DKEY_UP },
  44         { KEY_DOWN,     IN_BINDTYPE_PLAYER12, DKEY_DOWN },
  45         { KEY_LEFT,     IN_BINDTYPE_PLAYER12, DKEY_LEFT },
  46         { KEY_RIGHT,    IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
  47         { KEY_PAGEUP,   IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
  48         { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
  49         { KEY_END,      IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
  50         { KEY_HOME,     IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
  51         { KEY_LEFTALT,  IN_BINDTYPE_PLAYER12, DKEY_START },
  52         { KEY_LEFTCTRL, IN_BINDTYPE_PLAYER12, DKEY_SELECT },
  53         { KEY_RIGHTSHIFT,IN_BINDTYPE_PLAYER12, DKEY_L1 },
  54         { KEY_RIGHTCTRL, IN_BINDTYPE_PLAYER12, DKEY_R1 },
  55         { KEY_Q,        IN_BINDTYPE_PLAYER12, DKEY_L2 },
  56         { KEY_P,        IN_BINDTYPE_PLAYER12, DKEY_R2 },
  57         { KEY_TAB,      IN_BINDTYPE_EMU, SACTION_MINIMIZE },
  58         { KEY_SPACE,    IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
  59         { KEY_1,        IN_BINDTYPE_EMU, SACTION_SAVE_STATE },
  60         { KEY_2,        IN_BINDTYPE_EMU, SACTION_LOAD_STATE },
  61         { KEY_3,        IN_BINDTYPE_EMU, SACTION_PREV_SSLOT },
  62         { KEY_4,        IN_BINDTYPE_EMU, SACTION_NEXT_SSLOT },
  63         { KEY_5,        IN_BINDTYPE_EMU, SACTION_TOGGLE_FSKIP },
  64         { KEY_6,        IN_BINDTYPE_EMU, SACTION_SCREENSHOT },
  65         { 0, 0, 0 }
  66 };
  67
  68 int plat_pandora_init(void)
  69 {
  70         int gpiokeys_id;
  71
  72         in_evdev_init(in_evdev_defbinds);
  73         in_probe();
  74         gpiokeys_id = in_name_to_id("evdev:gpio-keys");
  75         in_set_config(gpiokeys_id, IN_CFG_KEY_NAMES,
  76                       pandora_gpio_keys, sizeof(pandora_gpio_keys));
  77         in_set_config(gpiokeys_id, IN_CFG_DEFAULT_DEV, NULL, 0);
  78         in_adev[0] = in_name_to_id("evdev:nub0");
  79         in_adev[1] = in_name_to_id("evdev:nub1");
  80
  81         return 0;
  82 }
  83
  84 static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts";
  85
  86 int plat_cpu_clock_get(void)
  87 {
  88         FILE *f;
  89         int ret = 0;
  90         f = fopen("/proc/pandora/cpu_mhz_max", "r");
  91         if (f) {
  92                 fscanf(f, "%d", &ret);
  93                 fclose(f);
  94         }
  95         return ret;
  96 }
  97
  98 int plat_cpu_clock_apply(int cpu_clock)
  99 {
 100         char buf[128];
 101
 102         if (cpu_clock != 0 && cpu_clock != plat_cpu_clock_get()) {
 103                 snprintf(buf, sizeof(buf), "unset DISPLAY; echo y | %s/op_cpuspeed.sh %d",
 104                          pnd_script_base, cpu_clock);
 105                 system(buf);
 106         }
 107         return 0;
 108 }
 109
 110 int plat_get_bat_capacity(void)
 111 {
 112         FILE *f;
 113         int ret = 0;
 114         f = fopen("/sys/class/power_supply/bq27500-0/capacity", "r");
 115         if (f) {
 116                 fscanf(f, "%d", &ret);
 117                 fclose(f);
 118         }
 119         return ret;
 120 }