2 * Copyright (C) 2009 Sony Computer Entertainment Inc.
3 * Copyright 2009 Sony Corp.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include <sys/ioctl.h>
27 #include <ps3-flash.h>
31 #include "pb-system.h"
34 static const char flash_dev[] = "/dev/ps3flash";
35 static const char fb_dev[] = "/dev/fb0";
37 static const struct os_area_db_id id_default_item =
39 .owner = OS_AREA_DB_OWNER_PETITBOOT, /* 3 */
42 static const struct os_area_db_id id_video_mode =
44 .owner = OS_AREA_DB_OWNER_PETITBOOT, /* 3 */
45 .key = OS_AREA_DB_KEY_VIDEO_MODE, /* 2 */
47 static const struct os_area_db_id id_flags =
49 .owner = OS_AREA_DB_OWNER_PETITBOOT, /* 3 */
53 struct ps3_flash_ctx {
55 struct os_area_header header;
56 struct os_area_params params;
60 static void ps3_flash_close(struct ps3_flash_ctx *fc)
66 static int ps3_flash_open(struct ps3_flash_ctx *fc, const char *mode)
70 fc->dev = fopen(flash_dev, mode);
73 pb_log("%s: fopen failed: %s: %s\n", __func__, strerror(errno),
78 os_area_set_log_stream(pb_log_get_stream());
80 result = os_area_fixed_read(&fc->header, &fc->params, fc->dev);
83 pb_log("%s: os_area_fixed_read failed: %s\n", __func__);
95 * ps3_flash_get_values - Read values from the PS3 flash memory database.
97 * Returns zero on success.
100 int ps3_flash_get_values(struct ps3_flash_values *values)
104 struct ps3_flash_ctx fc;
107 memset(values, 0, sizeof(*values));
109 result = ps3_flash_open(&fc, "r");
114 result = os_area_db_read(&fc.db, &fc.header, fc.dev);
117 pb_log("%s: os_area_db_read failed: %s\n", __func__,
122 sum = result = os_area_db_get(&fc.db, &id_default_item, &tmp);
125 values->default_item = (uint32_t)tmp;
127 sum += result = os_area_db_get(&fc.db, &id_video_mode, &tmp);
130 values->video_mode = (uint16_t)tmp;
133 pb_log("%s: default_item: %u\n", __func__, values->default_item);
134 pb_log("%s: video_mode: %u\n", __func__, values->video_mode);
136 ps3_flash_close(&fc);
140 ps3_flash_close(&fc);
145 * ps3_flash_set_values - Writes values from the PS3 flash memory database.
147 * Formats the flash database before writing if a valid database if not found.
148 * Returns zero on success.
151 int ps3_flash_set_values(const struct ps3_flash_values *values)
154 struct ps3_flash_ctx fc;
156 pb_log("%s: default_item: %u\n", __func__, values->default_item);
157 pb_log("%s: video_mode: %u\n", __func__, values->video_mode);
159 result = ps3_flash_open(&fc, "r+");
164 result = os_area_db_read(&fc.db, &fc.header, fc.dev);
167 pb_log("%s: os_area_db_read failed: %s\n", __func__,
169 pb_log("%s: formating db\n", __func__);
171 result = os_area_db_format(&fc.db, &fc.header, fc.dev);
174 pb_log("%s: db_format failed: %s\n", __func__,
180 result = os_area_db_set_32(&fc.db, &id_default_item,
181 values->default_item);
182 result += os_area_db_set_16(&fc.db, &id_video_mode,
185 result += os_area_db_write(&fc.db, &fc.header, fc.dev);
187 ps3_flash_close(&fc);
191 ps3_flash_close(&fc);
196 * ps3_video_ioctl - Low level ioctl helper.
198 * Use ps3_get_video_mode or ps3_set_video_mode().
201 static int ps3_video_ioctl(int request, unsigned int *mode_id)
206 fd = open(fb_dev, O_RDWR);
209 pb_log("%s: open failed: %s: %s\n", __func__, strerror(errno),
214 result = ioctl(fd, request, (unsigned long)mode_id);
219 pb_log("%s: ioctl failed: %s: %s\n", __func__, strerror(errno),
228 * ps3_set_video_mode - Set the PS3 video mode.
229 * @mode_id: The PS3 video mode_id as documented in the ps3-video-mode man page.
231 * Returns zero on success.
234 int ps3_set_video_mode(unsigned int mode_id)
236 pb_log("%s: %u\n", __func__, mode_id);
237 return ps3_video_ioctl(PS3FB_IOCTL_SETMODE, &mode_id);
241 * ps3_set_video_mode - Get the current PS3 video mode.
242 * @mode_id: The PS3 video mode_id as documented in the ps3-video-mode man page.
244 * Returns zero on success.
247 int ps3_get_video_mode(unsigned int *mode_id)
253 result = ps3_video_ioctl(PS3FB_IOCTL_GETMODE, mode_id);
255 pb_log("%s: %u\n", __func__, *mode_id);