PS3 platform routines

Add new files ui/common/ps3.h and ui/common/ps3.c with
platform specific routines to access the PS3 flash
memory and to get and set the PS3 video mode.

The flash routines use the ps3-utils library.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

1 files changed, 257 insertions, 0 deletions

diff --git a/ui/common/ps3.c b/ui/common/ps3.c
new file mode 100644
index 0000000..9f575e7
--- /dev/null
+++ b/ui/common/ps3.c
@@ -0,0 +1,257 @@
+/*
+ *  Copyright (C) 2009 Sony Computer Entertainment Inc.
+ *  Copyright 2009 Sony Corp.
+ *
+ *  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; version 2 of the License.
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#define _GNU_SOURCE
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <ps3-flash.h>
+#include <ps3-av.h>
+
+#include "log/log.h"
+#include "pb-system.h"
+#include "ps3.h"
+
+static const char flash_dev[] = "/dev/ps3flash";
+static const char fb_dev[] = "/dev/fb0";
+
+static const struct os_area_db_id id_default_item =
+{
+	.owner = OS_AREA_DB_OWNER_PETITBOOT, /* 3 */
+	.key = 1,
+};
+static const struct os_area_db_id id_video_mode =
+{
+	.owner = OS_AREA_DB_OWNER_PETITBOOT, /* 3 */
+	.key = OS_AREA_DB_KEY_VIDEO_MODE,    /* 2 */
+};
+static const struct os_area_db_id id_flags =
+{
+	.owner = OS_AREA_DB_OWNER_PETITBOOT, /* 3 */
+	.key = 3,
+};
+
+struct ps3_flash_ctx {
+	FILE *dev;
+	struct os_area_header header;
+	struct os_area_params params;
+	struct os_area_db db;
+};
+
+static void ps3_flash_close(struct ps3_flash_ctx *fc)
+{
+	fclose(fc->dev);
+	fc->dev = NULL;
+}
+
+static int ps3_flash_open(struct ps3_flash_ctx *fc, const char *mode)
+{
+	int result;
+
+	fc->dev = fopen(flash_dev, mode);
+
+	if (!fc->dev) {
+		pb_log("%s: fopen failed: %s: %s\n", __func__, strerror(errno),
+			flash_dev);
+		return -1;
+	}
+
+	os_area_set_log_stream(pb_log_get_stream());
+
+	result = os_area_fixed_read(&fc->header, &fc->params, fc->dev);
+
+	if (result) {
+		pb_log("%s: os_area_fixed_read failed: %s\n", __func__);
+		goto fail;
+	}
+
+	return 0;
+
+fail:
+	ps3_flash_close(fc);
+	return -1;
+}
+
+/**
+ * ps3_flash_get_values - Read values from the PS3 flash memory database.
+ *
+ * Returns zero on success.
+ */
+
+int ps3_flash_get_values(struct ps3_flash_values *values)
+{
+	int result;
+	int sum;
+	struct ps3_flash_ctx fc;
+	uint64_t tmp;
+
+	memset(values, 0, sizeof(*values));
+
+	result = ps3_flash_open(&fc, "r");
+
+	if (result)
+		return -1;
+
+	result = os_area_db_read(&fc.db, &fc.header, fc.dev);
+
+	if (result) {
+		pb_log("%s: os_area_db_read failed: %s\n", __func__,
+			strerror(errno));
+		goto fail;
+	}
+
+	sum = result = os_area_db_get(&fc.db, &id_default_item, &tmp);
+
+	if (!result)
+		values->default_item = (uint32_t)tmp;
+
+	sum += result = os_area_db_get(&fc.db, &id_video_mode, &tmp);
+
+	if (!result)
+		values->video_mode = (uint16_t)tmp;
+
+
+	pb_log("%s: default_item: %u\n", __func__, values->default_item);
+	pb_log("%s: video_mode:   %u\n", __func__, values->video_mode);
+
+	ps3_flash_close(&fc);
+	return !!sum;
+
+fail:
+	ps3_flash_close(&fc);
+	return -1;
+}
+
+/**
+ * ps3_flash_set_values - Writes values from the PS3 flash memory database.
+ *
+ * Formats the flash database before writing if a valid database if not found.
+ * Returns zero on success.
+ */
+
+int ps3_flash_set_values(const struct ps3_flash_values *values)
+{
+	int result;
+	struct ps3_flash_ctx fc;
+
+	pb_log("%s: default_item: %u\n", __func__, values->default_item);
+	pb_log("%s: video_mode:   %u\n", __func__, values->video_mode);
+
+	result = ps3_flash_open(&fc, "r+");
+
+	if (result)
+		return result;
+
+	result = os_area_db_read(&fc.db, &fc.header, fc.dev);
+
+	if (result) {
+		pb_log("%s: os_area_db_read failed: %s\n", __func__,
+			strerror(errno));
+		pb_log("%s: formating db\n", __func__);
+
+		result = os_area_db_format(&fc.db, &fc.header, fc.dev);
+
+		if (result) {
+			pb_log("%s: db_format failed: %s\n", __func__,
+				strerror(errno));
+			goto fail;
+		}
+	}
+
+	result = os_area_db_set_32(&fc.db, &id_default_item,
+		values->default_item);
+	result += os_area_db_set_16(&fc.db, &id_video_mode,
+		values->video_mode);
+
+	result += os_area_db_write(&fc.db, &fc.header, fc.dev);
+
+	ps3_flash_close(&fc);
+	return result;
+
+fail:
+	ps3_flash_close(&fc);
+	return -1;
+}
+
+/**
+ * ps3_video_ioctl - Low level ioctl helper.
+ *
+ * Use ps3_get_video_mode or ps3_set_video_mode().
+ */
+
+static int ps3_video_ioctl(int request, unsigned int *mode_id)
+{
+	int result;
+	int fd;
+
+	fd = open(fb_dev, O_RDWR);
+
+	if (fd < 0) {
+		pb_log("%s: open failed: %s: %s\n", __func__, strerror(errno),
+			fb_dev);
+		return -1;
+	}
+
+	result = ioctl(fd, request, (unsigned long)mode_id);
+
+	close(fd);
+
+	if (result < 0) {
+		pb_log("%s: ioctl failed: %s: %s\n", __func__, strerror(errno),
+			fb_dev);
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * ps3_set_video_mode - Set the PS3 video mode.
+ * @mode_id: The PS3 video mode_id as documented in the ps3-video-mode man page.
+ *
+ * Returns zero on success.
+ */
+
+int ps3_set_video_mode(unsigned int mode_id)
+{
+	pb_log("%s: %u\n", __func__, mode_id);
+	return ps3_video_ioctl(PS3FB_IOCTL_SETMODE, &mode_id);
+}
+
+/**
+ * ps3_set_video_mode - Get the current PS3 video mode.
+ * @mode_id: The PS3 video mode_id as documented in the ps3-video-mode man page.
+ *
+ * Returns zero on success.
+ */
+
+int ps3_get_video_mode(unsigned int *mode_id)
+{
+	int result;
+
+	*mode_id = 0;
+
+	result =  ps3_video_ioctl(PS3FB_IOCTL_GETMODE, mode_id);
+
+	pb_log("%s: %u\n", __func__, *mode_id);
+	return result;
+}