include/pnd_device.h

   1
   2 #ifndef h_pnd_device_h
   3 #define h_pnd_device_h
   4
   5 #ifdef __cplusplus
   6 extern "C" {
   7 #endif
   8
   9 // do we have a 'minimal' lib yet anywhere formalized? if not, we could
  10 // attempt to include it here.
  11
  12 // for reference material, see the Pandora wiki. Specifically, some good
  13 // places to look:
  14 // http://pandorawiki.org/Kernel_interface
  15
  16 /* for reference, here are some devices of use; most of these should already have
  17  * functions below, to avoid you having to code your own.
  18  */
  19 #define PND_DEVICE_PROC_CLOCK "/proc/pandora/cpu_mhz_max"
  20 #define PND_DEVICE_SYS_BACKLIGHT_BRIGHTNESS "/sys/class/backlight/gpio-backlight/brightness"
  21 #define PND_DEVICE_FRAMEBUFFER "/dev/fb0"
  22 #define PND_DEVICE_NUB1 "/dev/input/js1"
  23 #define PND_DEVICE_NUB2 "/dev/input/js2"
  24 #define PND_DEVICE_POWER_BASE "/sys/class/power_supply"
  25 #define PND_DEVICE_BATTERY_GAUGE_PERC "/sys/class/power_supply/bq27500-0/capacity"
  26 #define PND_DEVICE_CHARGE_CURRENT "/sys/class/power_supply/bq27500-0/current_now"
  27
  28 #define PND_DEVICE_LED_CHARGER "/sys/class/leds/pandora::charger"
  29 #define PND_DEVICE_LED_POWER   "/sys/class/leds/pandora::power"
  30 #define PND_DEVICE_LED_SD1     "/sys/class/leds/pandora::sd1"
  31 #define PND_DEVICE_LED_SD2     "/sys/class/leds/pandora::sd2"
  32 #define PND_DEVICE_LED_WIFI    "/sys/class/leds/pandora::wifi"
  33 #define PND_DEVICE_LED_BT      "/sys/class/leds/pandora::bluetooth"
  34 #define PND_DEVICE_LED_SUFFIX_BRIGHTNESS "/brightness"
  35
  36 // device names
  37 #define PND_EVDEV_NUB1    "nub0" /*"vsense66"*/
  38 #define PND_EVDEV_NUB2    "nub1" /*"vsense67"*/
  39 #define PND_EVDEV_KEYPAD  "keypad" /*"omap_twl4030keypad"*/
  40 #define PND_EVDEV_GPIO    "gpio-keys"
  41 #define PND_EVDEV_TS      "touchscreen" /*"ADS784x Touchscreen"*/
  42 #define PND_EVDEV_POWER   "power-button" /*"triton2-pwrbutton"*/
  43
  44 /* utility
  45  */
  46 unsigned char pnd_device_open_write_close ( char *name, char *v );
  47 unsigned char pnd_device_open_read_close ( char *name, char *r_buffer, unsigned int buffer_len );
  48
  49 /* overall clock speed
  50  * WARN: No boundaries are checked, so try to avoid setting clock to 2GHz :)
  51  * NOTE: get-clock() is not implemented yet.
  52  */
  53 unsigned char pnd_device_set_clock ( unsigned int c ); // returns >0 on success
  54 unsigned int pnd_device_get_clock ( void );
  55
  56 /* return the battery current %age level; 0-100%
  57  * On error, returns -1
  58  */
  59 int pnd_device_get_battery_gauge_perc ( void );
  60 unsigned char pnd_device_get_charge_current ( int *result ); // returns + - current; if charging, current is +ve.
  61
  62 /* return the battery charger enable state; 1 or 0
  63  * On error, returns value < 0
  64  */
  65 int pnd_device_get_charger_enable ( const char *device );
  66 unsigned char pnd_device_set_charger_enable ( const char *device, unsigned char v );
  67
  68 // LCD to set on/off
  69
  70 // Backlight control
  71 unsigned char pnd_device_set_backlight ( unsigned int v ); // value to set; 0 is off
  72 unsigned int pnd_device_get_backlight ( void );
  73
  74 // set one or more LEDs on
  75 unsigned char pnd_device_set_led_power_brightness ( unsigned char v ); // 0-255
  76 unsigned char pnd_device_set_led_charger_brightness ( unsigned char v ); // 0-255
  77
  78 // suspend/hibernate/etc
  79
  80 #ifdef __cplusplus
  81 } /* "C" */
  82 #endif
  83
  84 #endif