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added i2c_mangle.ko, ethtool, change AXE modules loading

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This commit is contained in:
Jaroslav Kysela 2015-04-20 15:43:32 +02:00
parent bc5a8c6301
commit fc81c50197
7 changed files with 254 additions and 17 deletions
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31
Makefile
View File

@ -30,6 +30,8 @@ DROPBEAR=dropbear-2015.67
DROPBEAR_SBIN_FILES=dropbear
DROPBEAR_BIN_FILES=dbclient dropbearconvert dropbearkey scp
ETHTOOL=ethtool-3.18
# 10087?
OSCAM_REV=10619
@ -64,17 +66,19 @@ dist:
# create CPIO
#
fs.cpio: kernel-modules busybox dropbear minisatip oscam tools/axehelper
fs.cpio: kernel-modules busybox dropbear ethtool minisatip oscam tools/axehelper
fakeroot tools/do_min_fs.py \
-r "$(VERSION)" \
-b "bash strace" \
$(foreach m,$(EXTRA_AXE_MODULES), -e "$(EXTRA_AXE_MODULES_DIR)/$(m):lib/modules/axe/$(m)") \
$(foreach m,$(ORIG_FILES), -e "$(EXTRA_AXE_MODULES_DIR)/../$(m):lib/modules/axe/$(m)") \
-e "tools/i2c_mangle.ko:lib/modules/axe/i2c_mangle.ko" \
$(foreach m,$(KMODULES), -e "kernel/$(m):lib/modules/$(m)") \
-e "tools/axehelper:sbin/axehelper" \
-e "apps/$(BUSYBOX)/busybox:bin/busybox" \
$(foreach f,$(DROPBEAR_SBIN_FILES), -e "apps/$(DROPBEAR)/$(f):sbin/$(f)") \
$(foreach f,$(DROPBEAR_BIN_FILES), -e "apps/$(DROPBEAR)/$(f):usr/bin/$(f)") \
-e "apps/$(ETHTOOL)/ethtool:sbin/ethtool" \
-e "apps/minisatip/minisatip:sbin/minisatip" \
-e "apps/minisatip/icons/lr.jpg:usr/share/minisatip/icons/lr.jpg" \
-e "apps/minisatip/icons/lr.png:usr/share/minisatip/icons/lr.png" \
@ -131,7 +135,10 @@ kernel/arch/sh/boot/uImage.gz: kernel/drivers/usb/serial/cp210x.ko fs.cpio
make -C kernel -j ${CPUS} PATH="$(PATH):$(TOOLPATH)" \
ARCH=sh CROSS_COMPILE=$(TOOLCHAIN_KERNEL)/bin/sh4-linux- uImage.gz
.PHONY: kernel-modules
tools/i2c_mangle.ko: tools/i2c_mangle.c
make -C tools ARCH=sh CROSS_COMPILE=$(TOOLCHAIN_KERNEL)/bin/sh4-linux- all
.PHONY: kernel-modules tools/i2c_mangle.ko
kernel-modules: kernel/drivers/usb/serial/cp210x.ko
.PHONY: kernel
@ -250,6 +257,26 @@ apps/$(DROPBEAR)/dropbear: apps/$(DROPBEAR)/configure
.PHONY: dropbear
dropbear: apps/$(DROPBEAR)/dropbear
#
# ethtool
#
apps/$(ETHTOOL)/configure:
$(call WGET,https://www.kernel.org/pub/software/network/ethtool/$(ETHTOOL).tar.gz,apps/$(ETHTOOL).tar.gz)
tar -C apps -xzf apps/$(ETHTOOL).tar.gz
apps/$(ETHTOOL)/ethtool: apps/$(ETHTOOL)/configure
cd apps/$(ETHTOOL) && \
CC=$(TOOLCHAIN)/bin/sh4-linux-gcc \
CFLAGS="-O2" \
./configure \
--host=sh4-linux \
--prefix=/
make -C apps/$(ETHTOOL)
.PHONY: ethtool
ethtool: apps/$(ETHTOOL)/ethtool
#
# oscam
#

6
fs-add/etc/config.default
View File

@ -2,9 +2,15 @@
# SATIP AXE firmware configuration
#
CFGVER="8"
HOSTNAME="satip-axe"
KMODULES="drivers/usb/serial/cp210x.ko drivers/usb/serial/pl2303.ko drivers/usb/serial/ftdi_sio.ko"
#
# STV6210 baseband amplifier gain (0dB .. 16dB - 2dB step)
#
STV6210_BAMP="16dB"
#
# ttyUSB names
#

12
fs-add/etc/init.d/rcS
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@ -54,12 +54,14 @@ fi
ifconfig lo 127.0.0.1 netmask 255.255.255.0
# AXE modules and AXE hw initialization
sync
logger -p local0.notice "AXE drivers load start"
axehelper i2c_reg_read 0xd0 0xf000 > /dev/null 2> /dev/null || logger -p local0.notice "I2C Demod #1(D0) failed"
axehelper i2c_reg_read 0xd2 0xf000 > /dev/null 2> /dev/null || logger -p local0.notice "I2C Demod #2(D2) failed"
d=/lib/modules/axe
insmod $d/stapi_core_stripped.ko
insmod $d/stapi_ioctl_stripped.ko
insmod $d/axe_i2c.ko
echo "i2c_dbg_trans 1" > /proc/bus/ivo_i2c
insmod $d/i2c_mangle.ko
insmod $d/axe_fe.ko
insmod $d/axe_fp.ko
insmod $d/axe_dmx.ko
@ -102,11 +104,9 @@ for i in $(cat /proc/devices); do
maj=
done
/etc/init.d/axe &
axehelper wait 5000 -10 /tmp/axe-done
axehelper wait 2000 -10
#nc -l 127.0.0.1:1001 -e /bin/true
nc -l 127.0.0.1:1001 -e /bin/true
rm -f /root/main_init.sh /tmp/axe-done
echo "i2c_dbg_trans 0" > /proc/bus/ivo_i2c
logger -p local0.notice "AXE drivers load finish"
# hostname
test -r /etc/sysconfig/config && . /etc/sysconfig/config

8
fs-add/etc/init.d/satip
View File

@ -6,12 +6,16 @@ if test "$MINISATIP" != "yes"; then
exit 0
fi
. /etc/init.d/axe-settings
# renice kernel demuxers
if test "$DEMUXERS_RENICE" = "yes"; then
a=""
for i in $(ps -o pid,nice,comm | grep "kdmxts_64" | cut -d 'k' -f 1); do
if test "$i" -gt 15; then a="$a $i"; fi
done
renice -15 $a
fi
cd /tmp
while test ! -f /tmp/nosatip; do
@ -20,8 +24,8 @@ while test ! -f /tmp/nosatip; do
done
. /etc/sysconfig/config
nice -5 minisatip -f -g $MINISATIP_OPTS
logger "minisatip exited $?, restarting"
done
logger -p local0.notice "minisatip exited $?, restarting"
if test -f /tmp/nosatip; then
sleep 87323123
fi
done

6
tools/.gitignore vendored
View File

@ -1,6 +1,12 @@
*.cmd
axehelper
axehelper.x86_64
syscall-dump.o
syscall-dump.o.x86_64
syscall-dump.so
syscall-dump.so.x86_64
i2c_mangle.mod.*
i2c_mangle.o
i2c_mangle.ko
Module.symvers
modules.order

7
tools/Makefile Normal file
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@ -0,0 +1,7 @@
obj-m=i2c_mangle.o
all:
make -C $(PWD)/kernel ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) M=$(PWD)/tools modules
clean:
make -C $(PWD)/kernel ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) M=$(PWD)/tools clean

187
tools/i2c_mangle.c Normal file
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@ -0,0 +1,187 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/idr.h>
#include <linux/mutex.h>
#include <linux/completion.h>
#include <linux/hardirq.h>
#include <linux/irqflags.h>
#include <linux/rwsem.h>
#include <asm/uaccess.h>
#define STV6120_1 (0xc0 >> 1)
#define STV6120_2 (0xc6 >> 1)
extern int (*i2c_transfer_mangle)(struct i2c_adapter *adap, struct i2c_msg *msg, int num);
int i2c_transfer2(struct i2c_adapter *adap, struct i2c_msg *msg, int num);
static struct i2c_adapter *i2c_adapter0;
static int i2c_mangle_enable = 1;
static int i2c_mangle_debug = 0;
static int stv6120_gain = 8;
static void i2c_transfer_axe_dump(struct i2c_msg *msgs, int num)
{
int ret;
for (ret = 0; ret < num; ret++) {
printk("i2c master_xfer[%d] %c, addr=0x%02x, "
"len=%d%s, flags=0x%x\n", ret, (msgs[ret].flags & I2C_M_RD)
? 'R' : 'W', msgs[ret].addr, msgs[ret].len,
(msgs[ret].flags & I2C_M_RECV_LEN) ? "+" : "",
msgs[ret].flags);
}
}
static void mangle(u8 *dst, struct i2c_msg *m, int i, int val, int shift, int mask)
{
memcpy(dst, m->buf, m->len);
dst[i] &= ~(mask << shift);
dst[i] |= (val & mask) << shift;
if (i2c_mangle_debug & 2)
printk("i2c mangle: i=%d val=0x%x shift=%i mask=0x%x (orig 0x%x new 0x%x)\n",
i, val, shift, mask, m->buf[i], dst[i]);
if (m->buf[i] != dst[i])
m->buf = dst;
}
static void i2c_transfer_axe_mangle(struct i2c_msg *msgs, int num)
{
static u8 mbuf[4][32];
struct i2c_msg *m;
int ret, r, i;
for (ret = 0; ret < num && ret < ARRAY_SIZE(mbuf); ret++) {
m = msgs + ret;
if (m->len < 1 || (m->flags & I2C_M_RD) != 0)
continue;
if (m->addr == STV6120_1 || m->addr == STV6120_2)
for (r = m->buf[0], i = 1; i < m->len; i++, r++)
if (r == 0x01 || r == 0x0b)
mangle(mbuf[ret], m, i, stv6120_gain, 0, 0x0f);
}
}
static int i2c_transfer_axe(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
{
if (adap == i2c_adapter0) {
if (i2c_mangle_debug & 1)
i2c_transfer_axe_dump(msgs, num);
if (i2c_mangle_enable)
i2c_transfer_axe_mangle(msgs, num);
}
return i2c_transfer2(adap, msgs, num);
}
/*
*
*/
static ssize_t i2c_mangle_enable_show
(struct device *dev, struct device_attribute *attr, char *page)
{
return sprintf(page, "%u\n", i2c_mangle_enable);
}
static ssize_t i2c_mangle_enable_store
(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int val = 0;
if (sscanf(buf, "%u", &val) != 1)
return -EINVAL;
i2c_mangle_enable = val;
return count;
}
static DEVICE_ATTR(i2c_mangle_enable, 0644,
i2c_mangle_enable_show,
i2c_mangle_enable_store);
static ssize_t i2c_mangle_debug_show
(struct device *dev, struct device_attribute *attr, char *page)
{
return sprintf(page, "%u\n", i2c_mangle_debug);
}
static ssize_t i2c_mangle_debug_store
(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int val = 0;
if (sscanf(buf, "%u", &val) != 1)
return -EINVAL;
i2c_mangle_debug = val;
return count;
}
static DEVICE_ATTR(i2c_mangle_debug, 0644,
i2c_mangle_debug_show,
i2c_mangle_debug_store);
static ssize_t stv6120_gain_show
(struct device *dev, struct device_attribute *attr, char *page)
{
return sprintf(page, "%u\n", stv6120_gain);
}
static ssize_t stv6120_gain_store
(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int val = 0;
if (sscanf(buf, "%u", &val) != 1)
return -EINVAL;
stv6120_gain = val;
return count;
}
static DEVICE_ATTR(stv6120_gain, 0644,
stv6120_gain_show,
stv6120_gain_store);
static void sysfs_create_entries(void)
{
struct kobject *kobj = &i2c_adapter0->dev.kobj;
sysfs_create_file(kobj, &dev_attr_i2c_mangle_enable.attr);
sysfs_create_file(kobj, &dev_attr_i2c_mangle_debug.attr);
sysfs_create_file(kobj, &dev_attr_stv6120_gain.attr);
}
static void sysfs_remove_entries(void)
{
struct kobject *kobj = &i2c_adapter0->dev.kobj;
sysfs_remove_file(kobj, &dev_attr_i2c_mangle_enable.attr);
sysfs_remove_file(kobj, &dev_attr_i2c_mangle_debug.attr);
sysfs_remove_file(kobj, &dev_attr_stv6120_gain.attr);
}
/*
*
*/
int init_module(void)
{
i2c_adapter0 = i2c_get_adapter(0);
if (i2c_adapter0 == NULL) {
printk(KERN_ERR "i2c_mangle: unable to find adapter 0\n");
return -ENODEV;
}
sysfs_create_entries();
i2c_transfer_mangle = i2c_transfer_axe;
printk(KERN_INFO "I2C-Bus AXE mangle module loaded\n");
return 0;
}
void cleanup_module(void)
{
sysfs_remove_entries();
i2c_transfer_mangle = NULL;
i2c_put_adapter(i2c_adapter0);
}
MODULE_AUTHOR("Jaroslav Kysela");
MODULE_DESCRIPTION("I2C-Bus AXE mangle module");
MODULE_LICENSE("GPL");