+++ /dev/null
-#
-# Copyright (C) 2010 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=retutahvo
-PKG_RELEASE:=1
-
-PKG_SOURCE_SUBDIR:=$(PKG_NAME)
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/retutahvo
- SECTION:=utils
- CATEGORY:=Utilities
- TITLE:=Retu/Tahvo userspace tool
- DEPENDS:=@TARGET_omap24xx
- MAINTAINER:=Michael Buesch <mb@bu3sch.de>
-endef
-
-define Package/retutahvo/description
- Nokia n810 Retu/Tahvo userspace tool.
- Warning: Do not use this, if you don't know what you're doing.
- This tool can physically damage the n810.
-endef
-
-define Build/Prepare
- mkdir -p $(PKG_BUILD_DIR)
- $(CP) ./files/src/* $(PKG_BUILD_DIR)/
-endef
-
-define Package/retutahvo/install
- $(INSTALL_DIR) $(1)/usr/bin
- $(INSTALL_BIN) $(PKG_BUILD_DIR)/retutahvo $(1)/usr/bin/
-endef
-
-$(eval $(call BuildPackage,retutahvo))
+++ /dev/null
-/*
- * Copyright (C) 2010 Michael Buesch <mb@bu3sch.de>
- *
- * 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.
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-
-typedef uint8_t u8;
-typedef uint16_t u16;
-typedef uint32_t u32;
-
-#include "user_retu_tahvo.h"
-
-
-static const char * chip2str(int chip)
-{
- switch (chip) {
- case CHIP_RETU:
- return "Retu";
- case CHIP_TAHVO:
- return "Tahvo";
- }
- return "UNKNOWN";
-}
-
-static int str2uint(const char *str, unsigned int *value)
-{
- char *tail;
-
- *value = strtoul(str, &tail, 0);
- if (*tail != '\0')
- return -1;
-
- return 0;
-}
-
-static int open_dev(int chip)
-{
- const char *path;
- int fd;
-
- switch (chip) {
- case CHIP_RETU:
- path = "/dev/retu";
- break;
- case CHIP_TAHVO:
- path = "/dev/tahvo";
- break;
- default:
- return -1;
- }
-
- fd = open(path, O_RDWR);
- if (fd < 0) {
- fprintf(stderr, "Failed to open %d: %s\n",
- path, strerror(errno));
- }
-
- return fd;
-}
-
-#define MASKREG(mask, reg) ((mask) | (((reg) & 0x3F) << 16))
-
-static unsigned int encrapify_value(unsigned int value, unsigned int mask)
-{
- if (!mask)
- return 0;
- while (!(mask & 1)) {
- value >>= 1;
- mask >>= 1;
- }
-
- return value;
-}
-
-static unsigned int decrapify_value(unsigned int value, unsigned int mask)
-{
- if (!mask)
- return 0;
- while (!(mask & 1)) {
- value <<= 1;
- mask >>= 1;
- }
-
- return value;
-}
-
-static int do_read(int chip, int fd, unsigned int mask, unsigned int reg, unsigned int *value)
-{
- unsigned int command;
- int res;
-
- switch (chip) {
- case CHIP_RETU:
- command = RETU_IOCH_READ;
- break;
- case CHIP_TAHVO:
- command = TAHVO_IOCH_READ;
- break;
- default:
- return -1;
- }
- res = ioctl(fd, command, MASKREG(mask, reg));
- if (res < 0)
- return -1;
- *value = decrapify_value(res, mask);
-
- return 0;
-}
-
-static int task_read(int chip, unsigned int reg, unsigned int *value)
-{
- int fd, err;
-
- fd = open_dev(chip);
- if (fd < 0)
- return -1;
- err = do_read(chip, fd, 0xFFFF, reg, value);
- close(fd);
-
- return err;
-}
-
-static int do_write(int chip, int fd, unsigned int mask, unsigned int reg, unsigned int value)
-{
- struct retu_tahvo_write_parms p;
- unsigned int command;
- int err;
-
- switch (chip) {
- case CHIP_RETU:
- command = RETU_IOCX_WRITE;
- break;
- case CHIP_TAHVO:
- command = TAHVO_IOCX_WRITE;
- break;
- default:
- return -1;
- }
-
- memset(&p, 0, sizeof(p));
- p.field = MASKREG(mask, reg);
- p.value = encrapify_value(value, mask);
-
- err = ioctl(fd, command, &p);
- if (err) {
- fprintf(stderr, "Write ioctl failed\n");
- return -1;
- }
- if (p.result != 0) {
- fprintf(stderr, "Failed to write\n");
- return -1;
- }
-
- return 0;
-}
-
-static int task_maskset(int chip, unsigned int reg, unsigned int mask, unsigned int set)
-{
- int fd, err;
- unsigned int value;
-
- mask &= 0xFFFF;
- set &= 0xFFFF;
-
- fd = open_dev(chip);
- if (fd < 0)
- return -1;
- err = do_write(chip, fd, mask, reg, set);
- close(fd);
-
- return err;
-}
-
-static int task_write(int chip, unsigned int reg, unsigned int value)
-{
- return task_maskset(chip, reg, 0xFFFF, value);
-}
-
-static void usage(FILE *fd, int argc, char **argv)
-{
- fprintf(fd, "Usage: %s CHIP TASK REG [VALUE...]\n", argv[0]);
- fprintf(fd, " CHIP is one of RETU or TAHVO\n");
- fprintf(fd, " TASK is one of READ, WRITE or MASKSET\n");
- fprintf(fd, " VALUE are values, depending on TASK\n");
-}
-
-int main(int argc, char **argv)
-{
- const char *chip_str, *task, *reg_str;
- int chip;
- unsigned int reg, mask, set, value;
- int err;
-
- if (argc != 4 && argc != 5 && argc != 6)
- goto err_usage;
- chip_str = argv[1];
- task = argv[2];
- reg_str = argv[3];
-
- if (strcasecmp(chip_str, "retu") == 0)
- chip = CHIP_RETU;
- else if (strcasecmp(chip_str, "tahvo") == 0)
- chip = CHIP_TAHVO;
- else
- goto err_usage;
-
- err = str2uint(reg_str, ®);
- if (err)
- goto err_usage;
-
- if (strcasecmp(task, "read") == 0) {
- if (argc != 4)
- goto err_usage;
- err = task_read(chip, reg, &value);
- if (err) {
- fprintf(stderr, "Failed to read %s register 0x%02X\n",
- chip2str(chip), reg);
- return 1;
- }
- printf("0x%04X\n", value);
- } else if (strcasecmp(task, "write") == 0) {
- if (argc != 5)
- goto err_usage;
- err = str2uint(argv[4], &value);
- if (err)
- goto err_usage;
- err = task_write(chip, reg, value);
- if (err) {
- fprintf(stderr, "Failed to write %s register 0x%02X\n",
- chip2str(chip), reg);
- return 1;
- }
- } else if (strcasecmp(task, "maskset") == 0) {
- if (argc != 6)
- goto err_usage;
- err = str2uint(argv[4], &mask);
- err |= str2uint(argv[5], &set);
- if (err)
- goto err_usage;
- err = task_maskset(chip, reg, mask, set);
- if (err) {
- fprintf(stderr, "Failed to maskset %s register 0x%02X\n",
- chip2str(chip), reg);
- return 1;
- }
- } else
- goto err_usage;
-
- return 0;
-
-err_usage:
- usage(stderr, argc, argv);
- return 1;
-}
+++ /dev/null
-/**
- * drivers/cbus/user_retu_tahvo.h
- *
- * Copyright (C) 2004, 2005 Nokia Corporation
- *
- * Written by Mikko Ylinen <mikko.k.ylinen@nokia.com>
- *
- * Definitions and types used by both retu-user and tahvo-user.
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file "COPYING" in the main directory of this
- * archive for more details.
- *
- * 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
- */
-
-#ifndef _USER_RETU_TAHVO_H
-#define _USER_RETU_TAHVO_H
-
-/* Chip IDs */
-#define CHIP_RETU 1
-#define CHIP_TAHVO 2
-
-/* Register access type bits */
-#define READ_ONLY 1
-#define WRITE_ONLY 2
-#define READ_WRITE 3
-#define TOGGLE 4
-
-#define MASK(field) ((u16)(field & 0xFFFF))
-#define REG(field) ((u16)((field >> 16) & 0x3F))
-
-/*** IOCTL definitions. These should be kept in sync with user space **********/
-
-#define URT_IOC_MAGIC '`'
-
-/*
- * IOCTL function naming conventions:
- * ==================================
- * 0 -- No argument and return value
- * S -- Set through a pointer
- * T -- Tell directly with the argument value
- * G -- Reply by setting through a pointer
- * Q -- response is on the return value
- * X -- S and G atomically
- * H -- T and Q atomically
- */
-
-/* General */
-#define URT_IOCT_IRQ_SUBSCR _IO(URT_IOC_MAGIC, 0)
-
-/* RETU */
-#define RETU_IOCH_READ _IO(URT_IOC_MAGIC, 1)
-#define RETU_IOCX_WRITE _IO(URT_IOC_MAGIC, 2)
-#define RETU_IOCH_ADC_READ _IO(URT_IOC_MAGIC, 3)
-
-/* TAHVO */
-#define TAHVO_IOCH_READ _IO(URT_IOC_MAGIC, 4)
-#define TAHVO_IOCX_WRITE _IO(URT_IOC_MAGIC, 5)
-
-/* This structure is used for writing RETU/TAHVO registers */
-struct retu_tahvo_write_parms {
- u32 field;
- u16 value;
- u8 result;
-};
-
-#endif
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