| /* |
| * Simple routines for Celleb/Beat |
| * |
| * (C) Copyright 2006-2007 TOSHIBA CORPORATION |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/err.h> |
| #include <linux/rtc.h> |
| |
| #include <asm/hvconsole.h> |
| #include <asm/time.h> |
| |
| #include "beat_wrapper.h" |
| #include "beat.h" |
| |
| void beat_restart(char *cmd) |
| { |
| beat_shutdown_logical_partition(1); |
| } |
| |
| void beat_power_off(void) |
| { |
| beat_shutdown_logical_partition(0); |
| } |
| |
| u64 beat_halt_code = 0x1000000000000000UL; |
| |
| void beat_halt(void) |
| { |
| beat_shutdown_logical_partition(beat_halt_code); |
| } |
| |
| int beat_set_rtc_time(struct rtc_time *rtc_time) |
| { |
| u64 tim; |
| tim = mktime(rtc_time->tm_year+1900, |
| rtc_time->tm_mon+1, rtc_time->tm_mday, |
| rtc_time->tm_hour, rtc_time->tm_min, rtc_time->tm_sec); |
| if (beat_rtc_write(tim)) |
| return -1; |
| return 0; |
| } |
| |
| void beat_get_rtc_time(struct rtc_time *rtc_time) |
| { |
| u64 tim; |
| |
| if (beat_rtc_read(&tim)) |
| tim = 0; |
| to_tm(tim, rtc_time); |
| rtc_time->tm_year -= 1900; |
| rtc_time->tm_mon -= 1; |
| } |
| |
| #define BEAT_NVRAM_SIZE 4096 |
| |
| ssize_t beat_nvram_read(char *buf, size_t count, loff_t *index) |
| { |
| unsigned int i; |
| unsigned long len; |
| char *p = buf; |
| |
| if (*index >= BEAT_NVRAM_SIZE) |
| return -ENODEV; |
| i = *index; |
| if (i + count > BEAT_NVRAM_SIZE) |
| count = BEAT_NVRAM_SIZE - i; |
| |
| for (; count != 0; count -= len) { |
| len = count; |
| if (len > BEAT_NVRW_CNT) |
| len = BEAT_NVRW_CNT; |
| if (beat_eeprom_read(i, len, p)) { |
| return -EIO; |
| } |
| |
| p += len; |
| i += len; |
| } |
| *index = i; |
| return p - buf; |
| } |
| |
| ssize_t beat_nvram_write(char *buf, size_t count, loff_t *index) |
| { |
| unsigned int i; |
| unsigned long len; |
| char *p = buf; |
| |
| if (*index >= BEAT_NVRAM_SIZE) |
| return -ENODEV; |
| i = *index; |
| if (i + count > BEAT_NVRAM_SIZE) |
| count = BEAT_NVRAM_SIZE - i; |
| |
| for (; count != 0; count -= len) { |
| len = count; |
| if (len > BEAT_NVRW_CNT) |
| len = BEAT_NVRW_CNT; |
| if (beat_eeprom_write(i, len, p)) { |
| return -EIO; |
| } |
| |
| p += len; |
| i += len; |
| } |
| *index = i; |
| return p - buf; |
| } |
| |
| ssize_t beat_nvram_get_size(void) |
| { |
| return BEAT_NVRAM_SIZE; |
| } |
| |
| int beat_set_xdabr(unsigned long dabr) |
| { |
| if (beat_set_dabr(dabr, DABRX_KERNEL | DABRX_USER)) |
| return -1; |
| return 0; |
| } |
| |
| int64_t beat_get_term_char(u64 vterm, u64 *len, u64 *t1, u64 *t2) |
| { |
| u64 db[2]; |
| s64 ret; |
| |
| ret = beat_get_characters_from_console(vterm, len, (u8*)db); |
| if (ret == 0) { |
| *t1 = db[0]; |
| *t2 = db[1]; |
| } |
| return ret; |
| } |
| |
| int64_t beat_put_term_char(u64 vterm, u64 len, u64 t1, u64 t2) |
| { |
| u64 db[2]; |
| |
| db[0] = t1; |
| db[1] = t2; |
| return beat_put_characters_to_console(vterm, len, (u8*)db); |
| } |
| |
| void beat_power_save(void) |
| { |
| beat_pause(0); |
| } |
| |
| #ifdef CONFIG_KEXEC |
| void beat_kexec_cpu_down(int crash, int secondary) |
| { |
| beatic_deinit_IRQ(); |
| } |
| #endif |
| |
| EXPORT_SYMBOL(beat_get_term_char); |
| EXPORT_SYMBOL(beat_put_term_char); |
| EXPORT_SYMBOL(beat_halt_code); |