diff options
Diffstat (limited to 'frontend/plat_pandora.c')
| -rw-r--r-- | frontend/plat_pandora.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/frontend/plat_pandora.c b/frontend/plat_pandora.c new file mode 100644 index 0000000..d7837ce --- /dev/null +++ b/frontend/plat_pandora.c @@ -0,0 +1,201 @@ +/* + * (C) notaz, 2011 + * + * This work is licensed under the terms of the GNU GPLv2 or later. + * See the COPYING file in the top-level directory. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <unistd.h> +#include <linux/input.h> +#include <errno.h> + +#include "common/input.h" +#include "plugin_lib.h" +#include "plat.h" +#include "main.h" + +static int fdnub[2]; +static int analog_init_done; + +static const char * const pandora_gpio_keys[KEY_MAX + 1] = { + [0 ... KEY_MAX] = NULL, + [KEY_UP] = "Up", + [KEY_LEFT] = "Left", + [KEY_RIGHT] = "Right", + [KEY_DOWN] = "Down", + [KEY_HOME] = "(A)", + [KEY_PAGEDOWN] = "(X)", + [KEY_END] = "(B)", + [KEY_PAGEUP] = "(Y)", + [KEY_RIGHTSHIFT]= "(L)", + [KEY_RIGHTCTRL] = "(R)", + [KEY_LEFTALT] = "Start", + [KEY_LEFTCTRL] = "Select", + [KEY_MENU] = "Pandora", +}; + +struct in_default_bind in_evdev_defbinds[] = { + { KEY_UP, IN_BINDTYPE_PLAYER12, DKEY_UP }, + { KEY_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN }, + { KEY_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT }, + { KEY_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT }, + { KEY_PAGEUP, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE }, + { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, DKEY_CROSS }, + { KEY_END, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE }, + { KEY_HOME, IN_BINDTYPE_PLAYER12, DKEY_SQUARE }, + { KEY_LEFTALT, IN_BINDTYPE_PLAYER12, DKEY_START }, + { KEY_LEFTCTRL, IN_BINDTYPE_PLAYER12, DKEY_SELECT }, + { KEY_RIGHTSHIFT,IN_BINDTYPE_PLAYER12, DKEY_L1 }, + { KEY_RIGHTCTRL, IN_BINDTYPE_PLAYER12, DKEY_R1 }, + { KEY_Q, IN_BINDTYPE_PLAYER12, DKEY_L2 }, + { KEY_P, IN_BINDTYPE_PLAYER12, DKEY_R2 }, + { KEY_SPACE, IN_BINDTYPE_EMU, SACTION_ENTER_MENU }, + { KEY_1, IN_BINDTYPE_EMU, SACTION_SAVE_STATE }, + { KEY_2, IN_BINDTYPE_EMU, SACTION_LOAD_STATE }, + { KEY_3, IN_BINDTYPE_EMU, SACTION_PREV_SSLOT }, + { KEY_4, IN_BINDTYPE_EMU, SACTION_NEXT_SSLOT }, + { KEY_5, IN_BINDTYPE_EMU, SACTION_TOGGLE_FSKIP }, + { KEY_6, IN_BINDTYPE_EMU, SACTION_SCREENSHOT }, + { 0, 0, 0 } +}; + +static void analog_init(void) +{ + int i, nub; + + fdnub[0] = fdnub[1] = -1; + + for (i = nub = 0; nub < 2; i++) + { + long absbits[(ABS_MAX+1) / sizeof(long) / 8]; + int ret, fd, support = 0; + char name[64]; + + snprintf(name, sizeof(name), "/dev/input/event%d", i); + fd = open(name, O_RDONLY|O_NONBLOCK); + if (fd == -1) { + if (errno == EACCES) + continue; /* maybe we can access next one */ + break; + } + + /* check supported events */ + ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support); + if (ret == -1) { + printf("pandora: ioctl failed on %s\n", name); + goto skip; + } + + if (!(support & (1 << EV_ABS))) + goto skip; + + ret = ioctl(fd, EVIOCGNAME(sizeof(name)), name); + if (ret == -1 || strncmp(name, "nub", 3) != 0) + goto skip; + + ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits); + if (ret == -1) + goto skip; + if ((absbits[0] & ((1 << ABS_X)|(1 << ABS_Y))) != ((1 << ABS_X)|(1 << ABS_Y))) + goto skip; + + printf("pandora: found analog #%d \"%s\"\n", nub, name); + fdnub[nub++] = fd; + continue; + +skip: + close(fd); + } + + if (nub != 2) + printf("pandora: warning: not all nubs found: %d\n", nub); + + analog_init_done = 1; +} + +void in_update_analogs(void) +{ + int *nubp[2] = { in_a1, in_a2 }; + struct input_absinfo ainfo; + int i, fd, v, ret; + + if (!analog_init_done) + analog_init(); + + for (i = 0; i < 2; i++) { + fd = fdnub[i]; + if (fd < 0) + continue; + + ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo); + if (ret == -1) { + perror("ioctl"); + continue; + } + v = ainfo.value / 2 + 127; + nubp[i][0] = v < 0 ? 0 : v; + + ret = ioctl(fd, EVIOCGABS(ABS_Y), &ainfo); + if (ret == -1) { + perror("ioctl"); + continue; + } + v = ainfo.value / 2 + 127; + nubp[i][1] = v < 0 ? 0 : v; + } + //printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]); +} + +int plat_rescan_inputs(void) +{ + in_probe(); + in_set_config(in_name_to_id("evdev:gpio-keys"), IN_CFG_KEY_NAMES, + pandora_gpio_keys, sizeof(pandora_gpio_keys)); + + return 0; +} + +static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts"; + +int plat_cpu_clock_get(void) +{ + FILE *f; + int ret = 0; + f = fopen("/proc/pandora/cpu_mhz_max", "r"); + if (f) { + fscanf(f, "%d", &ret); + fclose(f); + } + return ret; +} + +int plat_cpu_clock_apply(int cpu_clock) +{ + char buf[128]; + + if (cpu_clock != 0 && cpu_clock != plat_cpu_clock_get()) { + snprintf(buf, sizeof(buf), "unset DISPLAY; echo y | %s/op_cpuspeed.sh %d", + pnd_script_base, cpu_clock); + system(buf); + } + return 0; +} + +int plat_get_bat_capacity(void) +{ + FILE *f; + int ret = 0; + f = fopen("/sys/class/power_supply/bq27500-0/capacity", "r"); + if (f) { + fscanf(f, "%d", &ret); + fclose(f); + } + return ret; +} |