[POWERPC] celleb: Move miscellaneous files for Beat

This moves miscellaneous files for Beat into platforms/cell/.
All files in this patch are used by celleb-beat only.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 264 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/cell/beat.c b/arch/powerpc/platforms/cell/beat.c
new file mode 100644
index 000000000000..48c690ea65da
--- /dev/null
+++ b/arch/powerpc/platforms/cell/beat.c
@@ -0,0 +1,264 @@
+/*
+ * 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 <linux/interrupt.h>
+#include <linux/irqreturn.h>
+#include <linux/reboot.h>
+
+#include <asm/hvconsole.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/firmware.h>
+
+#include "beat_wrapper.h"
+#include "beat.h"
+#include "beat_interrupt.h"
+
+static int beat_pm_poweroff_flag;
+
+void beat_restart(char *cmd)
+{
+        beat_shutdown_logical_partition(!beat_pm_poweroff_flag);
+}
+
+void beat_power_off(void)
+{
+        beat_shutdown_logical_partition(0);
+}
+
+u64 beat_halt_code = 0x1000000000000000UL;
+EXPORT_SYMBOL(beat_halt_code);
+
+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;
+}
+EXPORT_SYMBOL(beat_get_term_char);
+
+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);
+}
+EXPORT_SYMBOL(beat_put_term_char);
+
+void beat_power_save(void)
+{
+        beat_pause(0);
+}
+
+#ifdef CONFIG_KEXEC
+void beat_kexec_cpu_down(int crash, int secondary)
+{
+        beatic_deinit_IRQ();
+}
+#endif
+
+static irqreturn_t beat_power_event(int virq, void *arg)
+{
+        printk(KERN_DEBUG "Beat: power button pressed\n");
+        beat_pm_poweroff_flag = 1;
+        ctrl_alt_del();
+        return IRQ_HANDLED;
+}
+
+static irqreturn_t beat_reset_event(int virq, void *arg)
+{
+        printk(KERN_DEBUG "Beat: reset button pressed\n");
+        beat_pm_poweroff_flag = 0;
+        ctrl_alt_del();
+        return IRQ_HANDLED;
+}
+
+static struct beat_event_list {
+        const char *typecode;
+        irq_handler_t handler;
+        unsigned int virq;
+} beat_event_list[] = {
+        { "power", beat_power_event, 0 },
+        { "reset", beat_reset_event, 0 },
+};
+
+static int __init beat_register_event(void)
+{
+        u64 path[4], data[2];
+        int rc, i;
+        unsigned int virq;
+
+        for (i = 0; i < ARRAY_SIZE(beat_event_list); i++) {
+                struct beat_event_list *ev = &beat_event_list[i];
+
+                if (beat_construct_event_receive_port(data) != 0) {
+                        printk(KERN_ERR "Beat: "
+                               "cannot construct event receive port for %s\n",
+                               ev->typecode);
+                        return -EINVAL;
+                }
+
+                virq = irq_create_mapping(NULL, data[0]);
+                if (virq == NO_IRQ) {
+                        printk(KERN_ERR "Beat: failed to get virtual IRQ"
+                               " for event receive port for %s\n",
+                               ev->typecode);
+                        beat_destruct_event_receive_port(data[0]);
+                        return -EIO;
+                }
+                ev->virq = virq;
+
+                rc = request_irq(virq, ev->handler, IRQF_DISABLED,
+                                      ev->typecode, NULL);
+                if (rc != 0) {
+                        printk(KERN_ERR "Beat: failed to request virtual IRQ"
+                               " for event receive port for %s\n",
+                               ev->typecode);
+                        beat_destruct_event_receive_port(data[0]);
+                        return rc;
+                }
+
+                path[0] = 0x1000000065780000ul; /* 1,ex */
+                path[1] = 0x627574746f6e0000ul; /* button */
+                path[2] = 0;
+                strncpy((char *)&path[2], ev->typecode, 8);
+                path[3] = 0;
+                data[1] = 0;
+
+                beat_create_repository_node(path, data);
+        }
+        return 0;
+}
+
+static int __init beat_event_init(void)
+{
+        if (!firmware_has_feature(FW_FEATURE_BEAT))
+                return -EINVAL;
+
+        beat_pm_poweroff_flag = 0;
+        return beat_register_event();
+}
+
+device_initcall(beat_event_init);