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/*
* arch/arm/mach-tegra/board-info.c
*
* File to contain changes for sku id, serial id, chip id, etc.
*
* Copyright (c) 2010-2012, NVIDIA 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/proc_fs.h>
#include <linux/seq_file.h>
#include "board.h"
/* skuinfo is 18 character long xxx-xxxxx-xxxx-xxx
*so buffer size is set to 18+1 */
#define SKUINFO_BUF_SIZE 19
/* skuver is 2 character long XX so buffer size is set to 2+1 */
#define SKUVER_BUF_SIZE 3
/* prodinfo is 18 character long xxx-xxxxx-xxxx-xxx
* so buffer size is set to 18+1 */
#define PRODINFO_BUF_SIZE 19
/* prodver is 2 character long XX so buffer size is set to 2+1 */
#define PRODVER_BUF_SIZE 3
static unsigned int board_serial_low;
static unsigned int board_serial_high;
static char prodinfo_buffer[PRODINFO_BUF_SIZE];
static char prodver_buffer[PRODVER_BUF_SIZE];
static char skuinfo_buffer[SKUINFO_BUF_SIZE];
static char skuver_buffer[SKUVER_BUF_SIZE];
static int __init sku_info_setup(char *line)
{
memcpy(skuinfo_buffer, line, SKUINFO_BUF_SIZE);
return 1;
}
__setup("nvsku=", sku_info_setup);
static int __init sku_ver_setup(char *line)
{
memcpy(skuver_buffer, line, SKUVER_BUF_SIZE);
return 1;
}
__setup("SkuVer=", sku_ver_setup);
static int __init prod_info_setup(char *line)
{
memcpy(prodinfo_buffer, line, PRODINFO_BUF_SIZE);
return 1;
}
__setup("ProdInfo=", prod_info_setup);
static int __init prod_ver_setup(char *line)
{
memcpy(prodver_buffer, line, PRODVER_BUF_SIZE);
return 1;
}
__setup("ProdVer=", prod_ver_setup);
static int read_skuinfo_proc_show(struct seq_file *m, void *v)
{
seq_printf(m, "%s\n", skuinfo_buffer);
return 0;
}
static int read_skuinfo_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, read_skuinfo_proc_show, NULL);
}
static const struct file_operations read_skuinfo_proc_fops = {
.open = read_skuinfo_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int read_skuver_proc_show(struct seq_file *m, void *v)
{
seq_printf(m, "%s\n", skuver_buffer);
return 0;
}
static int read_skuver_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, read_skuver_proc_show, NULL);
}
static const struct file_operations read_skuver_proc_fops = {
.open = read_skuver_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int read_serialinfo_proc_show(struct seq_file *m, void *v)
{
seq_printf(m, "%013llu\n",
(((unsigned long long int)board_serial_high) << 32) |
board_serial_low);
return 0;
}
static int read_serialinfo_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, read_serialinfo_proc_show, NULL);
}
static const struct file_operations read_serialinfo_proc_fops = {
.open = read_serialinfo_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int read_prodinfo_proc_show(struct seq_file *m, void *v)
{
seq_printf(m, "%s\n", prodinfo_buffer);
return 0;
}
static int read_prodinfo_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, read_prodinfo_proc_show, NULL);
}
static const struct file_operations read_prodinfo_proc_fops = {
.open = read_prodinfo_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int read_prodver_proc_show(struct seq_file *m, void *v)
{
seq_printf(m, "%s\n", prodver_buffer);
return 0;
}
static int read_prodver_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, read_prodver_proc_show, NULL);
}
static const struct file_operations read_prodver_proc_fops = {
.open = read_prodver_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
int __init tegra_init_board_info(void)
{
board_serial_low = system_serial_low;
board_serial_high = system_serial_high;
if (!proc_create("board_serial", 0, NULL, &read_serialinfo_proc_fops)) {
printk(KERN_ERR "Can't create proc entry for board_serial!\n");
return -1;
}
if (!proc_create("skuinfo", 0, NULL, &read_skuinfo_proc_fops)) {
printk(KERN_ERR "Can't create proc entry for skuinfo!\n");
return -1;
}
if (!proc_create("skuver", 0, NULL, &read_skuver_proc_fops)) {
printk(KERN_ERR "Can't create proc entry for skuver!\n");
return -1;
}
if (!proc_create("prodinfo", 0, NULL, &read_prodinfo_proc_fops)) {
printk(KERN_ERR "Can't create proc entry for prodinfo!\n");
return -1;
}
if (!proc_create("prodver", 0, NULL, &read_prodver_proc_fops)) {
printk(KERN_ERR "Can't create proc entry for prodver!\n");
return -1;
}
return 0;
}
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