From e93cafd73f783384c06871465857cbfe41023ce2 Mon Sep 17 00:00:00 2001 From: "Ryan C. Gordon" Date: Sun, 7 Jun 2009 22:44:59 +0000 Subject: [PATCH] BeOS support for power subsystem. --- configure.in | 6 ++ include/SDL_config.h.in | 1 + src/power/SDL_power.c | 4 ++ src/power/beos/SDL_syspower.c | 126 ++++++++++++++++++++++++++++++++++ 4 files changed, 137 insertions(+) create mode 100644 src/power/beos/SDL_syspower.c diff --git a/configure.in b/configure.in index 86bbd8c9d..c4db2aebc 100644 --- a/configure.in +++ b/configure.in @@ -2804,6 +2804,12 @@ AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[defau SOURCES="$SOURCES $srcdir/src/loadso/beos/*.c" have_loadso=yes fi + # Set up files for the system power library + if test x$enable_power = xyes; then + AC_DEFINE(SDL_POWER_BEOS) + SOURCES="$SOURCES $srcdir/src/power/beos/*.c" + have_power=yes + fi # The BeOS platform requires special setup. SOURCES="$srcdir/src/main/beos/*.cc $SOURCES" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding" diff --git a/include/SDL_config.h.in b/include/SDL_config.h.in index 47d4738d0..41802cc60 100644 --- a/include/SDL_config.h.in +++ b/include/SDL_config.h.in @@ -330,6 +330,7 @@ #undef SDL_POWER_WINDOWS #undef SDL_POWER_MACOSX #undef SDL_POWER_OS2 +#undef SDL_POWER_BEOS #undef SDL_POWER_NINTENDODS #undef SDL_POWER_HARDWIRED diff --git a/src/power/SDL_power.c b/src/power/SDL_power.c index 356e2391a..d22df1cd6 100644 --- a/src/power/SDL_power.c +++ b/src/power/SDL_power.c @@ -35,6 +35,7 @@ SDL_bool SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState*, int*, int*); SDL_bool SDL_GetPowerInfo_Windows(SDL_PowerState*, int*, int*); SDL_bool SDL_GetPowerInfo_MacOSX(SDL_PowerState*, int*, int*); SDL_bool SDL_GetPowerInfo_OS2(SDL_PowerState*, int*, int*); +SDL_bool SDL_GetPowerInfo_BeOS(SDL_PowerState*, int*, int*); SDL_bool SDL_GetPowerInfo_NintendoDS(SDL_PowerState*, int*, int*); #ifndef SDL_POWER_DISABLED @@ -71,6 +72,9 @@ static SDL_GetPowerInfo_Impl implementations[] = { #ifdef SDL_POWER_NINTENDODS /* handles Nintendo DS. */ SDL_GetPowerInfo_NintendoDS, #endif +#ifdef SDL_POWER_BEOS /* handles BeOS, Zeta, with euc.jp apm driver. */ + SDL_GetPowerInfo_BeOS, +#endif #ifdef SDL_POWER_HARDWIRED SDL_GetPowerInfo_Hardwired, #endif diff --git a/src/power/beos/SDL_syspower.c b/src/power/beos/SDL_syspower.c new file mode 100644 index 000000000..49013d849 --- /dev/null +++ b/src/power/beos/SDL_syspower.c @@ -0,0 +1,126 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2009 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#ifndef SDL_POWER_DISABLED +#ifdef SDL_POWER_BEOS + +#include +#include +#include +#include +#include +#include + +/* These values are from apm.h ... */ +#define APM_DEVICE_PATH "/dev/misc/apm" +#define APM_FUNC_OFFSET 0x5300 +#define APM_FUNC_GET_POWER_STATUS 10 +#define APM_DEVICE_ALL 1 +#define APM_BIOS_CALL (B_DEVICE_OP_CODES_END + 3) + +#include "SDL_power.h" + +SDL_bool +SDL_GetPowerInfo_BeOS(SDL_PowerState *state, int *seconds, int *percent) +{ + const int fd = open("/dev/misc/apm", O_RDONLY); + SDL_bool need_details = SDL_FALSE; + uint16 regs[6]; + uint8 ac_status; + uint8 battery_status; + uint8 battery_flags; + uint8 battery_life; + uint32 battery_time; + + if (fd == -1) { + return SDL_FALSE; /* maybe some other method will work? */ + } + + memset(regs, '\0', sizeof (regs)); + regs[0] = APM_FUNC_OFFSET + APM_FUNC_GET_POWER_STATUS; + regs[1] = APM_DEVICE_ALL; + rc = ioctl(fd, APM_BIOS_CALL, regs); + close(fd); + + if (rc < 0) { + return SDL_FALSE; + } + + ac_status = regs[1] >> 8; + battery_status = regs[1] & 0xFF; + battery_flags = regs[2] >> 8; + battery_life = regs[2] & 0xFF; + battery_time = (uint32) regs[3]; + + /* in theory, _something_ should be set in battery_flags, right? */ + if (battery_flags == 0x00) { /* older APM BIOS? Less fields. */ + battery_time = 0xFFFF; + if (battery_status == 0xFF) { + battery_flags = 0xFF; + } else { + battery_flags = (1 << status.battery_status); + } + } + + if ( (battery_time != 0xFFFF) && (battery_time & (1 << 15)) ) { + /* time is in minutes, not seconds */ + battery_time = (battery_time & 0x7FFF) * 60; + } + + if (battery_flags == 0xFF) { /* unknown state */ + *state = SDL_POWERSTATE_UNKNOWN; + } else if (battery_flags & (1 << 7)) { /* no battery */ + *state = SDL_POWERSTATE_NO_BATTERY; + } else if (battery_flags & (1 << 3)) { /* charging */ + *state = SDL_POWERSTATE_CHARGING; + need_details = SDL_TRUE; + } else if (ac_status == 1) { + *state = SDL_POWERSTATE_CHARGED; /* on AC, not charging. */ + need_details = SDL_TRUE; + } else { + *state = SDL_POWERSTATE_ON_BATTERY; /* not on AC. */ + need_details = SDL_TRUE; + } + + *percent = -1; + *seconds = -1; + if (need_details) { + const int pct = (int) battery_life; + const int secs = (int) battery_time; + + if (pct != 255) { /* 255 == unknown */ + *percent = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */ + } + if (secs != 0xFFFF) { /* 0xFFFF == unknown */ + *seconds = secs; + } + } + + return SDL_TRUE; /* the definitive answer if APM driver replied. */ +} + +#endif /* SDL_POWER_BEOS */ +#endif /* SDL_POWER_DISABLED */ + +/* vi: set ts=4 sw=4 expandtab: */ +