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[kernel] add Dallas's 1-wire related packages

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10977 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2008-04-29 15:53:04 +00:00
parent a5fce6fba6
commit 9fdbc25842
6 changed files with 518 additions and 3 deletions
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116
package/kernel/modules/w1.mk Normal file
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@ -0,0 +1,116 @@
#
# Copyright (C) 2008 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
W1_MENU:=W1 support
W1_MASTERS_DIR:=$(LINUX_DIR)/drivers/w1/masters
W1_SLAVES_DIR:=$(LINUX_DIR)/drivers/w1/slaves
define KernelPackage/w1
SUBMENU:=$(W1_MENU)
TITLE:=Dallas's 1-wire support
DEPENDS:=@LINUX_2_6
KCONFIG:=CONFIG_W1
FILES:=$(LINUX_DIR)/drivers/w1/wire.$(LINUX_KMOD_SUFFIX)
AUTOLOAD:=$(call AutoLoad,50,wire)
endef
define KernelPackage/w1/description
Kernel module for Dallas's 1-wire support
endef
$(eval $(call KernelPackage,w1))
define w1dep
SUBMENU:=$(W1_MENU)
DEPENDS:=kmod-w1 $(1)
endef
#
# 1-wire masters
#
define KernelPackage/w1-master-gpio
$(call w1dep,@GPIO_SUPPORT)
TITLE:=GPIO 1-wire bus master driver
KCONFIG:=CONFIG_W1_MASTER_GPIO
FILES:=$(W1_MASTERS_DIR)/w1-gpio.$(LINUX_KMOD_SUFFIX)
AUTOLOAD:=$(call AutoLoad,51,w1-gpio)
endef
define KernelPackage/w1-master-gpio/description
Kernel module for the GPIO 1-wire bus master driver
endef
$(eval $(call KernelPackage,w1-master-gpio))
#
# 1-wire slaves
#
ifeq (1,1)
define KernelPackage/w1-slave-therm
$(call w1dep,)
TITLE:=Thermal family implementation
KCONFIG:=CONFIG_W1_SLAVE_THERM
FILES:=$(W1_SLAVES_DIR)/w1_therm.$(LINUX_KMOD_SUFFIX)
AUTOLOAD:=$(call AutoLoad,52,w1_therm)
endef
define KernelPackage/w1-slave-therm/description
Kernel module for 1-wire thermal sensors
endef
$(eval $(call KernelPackage,w1-slave-therm))
define KernelPackage/w1-slave-smem
$(call w1dep,)
TITLE:=Simple 64bit memory family implementation
KCONFIG:=CONFIG_W1_SLAVE_SMEM
FILES:=$(W1_SLAVES_DIR)/w1_smem.$(LINUX_KMOD_SUFFIX)
AUTOLOAD:=$(call AutoLoad,52,w1_smem)
endef
define KernelPackage/w1-slave-smem/description
Kernel module for 1-wire simple 64bit memory rom(ds2401/ds2411/ds1990*)
endef
$(eval $(call KernelPackage,w1-slave-smem))
define KernelPackage/w1-slave-ds2433
$(call w1dep,)
TITLE:=Simple 64bit memory family implementation
KCONFIG:= \
CONFIG_W1_SLAVE_DS2433 \
CONFIG_W1_SLAVE_DS2433_CRC=n
FILES:=$(W1_SLAVES_DIR)/w1_ds2433.$(LINUX_KMOD_SUFFIX)
AUTOLOAD:=$(call AutoLoad,52,w1_ds2433)
endef
define KernelPackage/w1-slave-ds2433/description
Kernel module for 1-wire simple 64bit memory rom(ds2401/ds2411/ds1990*)
endef
$(eval $(call KernelPackage,w1-slave-ds2433))
define KernelPackage/w1-slave-ds2760
$(call w1dep,)
TITLE:=Dallas 2760 battery monitor chip (HP iPAQ & others)
KCONFIG:= \
CONFIG_W1_SLAVE_DS2760 \
CONFIG_W1_SLAVE_DS2433_CRC=n
FILES:=$(W1_SLAVES_DIR)/w1_ds2760.$(LINUX_KMOD_SUFFIX)
AUTOLOAD:=$(call AutoLoad,52,w1_ds2760)
endef
define KernelPackage/w1-slave-ds2760/description
Kernel module for 1-wire DS2760 battery monitor chip support
endef
$(eval $(call KernelPackage,w1-slave-ds2760))
endif

11
target/linux/generic-2.6/config-2.6.23
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@ -1702,7 +1702,16 @@ CONFIG_VLAN_8021Q=y
# CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_VT is not set # CONFIG_VT is not set
# CONFIG_VXFS_FS is not set # CONFIG_VXFS_FS is not set
# CONFIG_W1 is not set CONFIG_W1=m
# CONFIG_W1_MASTER_DS1WM is not set
# CONFIG_W1_MASTER_DS2482 is not set
# CONFIG_W1_MASTER_DS2490 is not set
# CONFIG_W1_MASTER_GPIO is not set
# CONFIG_W1_MASTER_MATROX is not set
# CONFIG_W1_SLAVE_DS2433 is not set
# CONFIG_W1_SLAVE_DS2760 is not set
# CONFIG_W1_SLAVE_SMEM is not set
# CONFIG_W1_SLAVE_THERM is not set
# CONFIG_W83627HF_WDT is not set # CONFIG_W83627HF_WDT is not set
# CONFIG_W83697HF_WDT is not set # CONFIG_W83697HF_WDT is not set
# CONFIG_W83877F_WDT is not set # CONFIG_W83877F_WDT is not set

11
target/linux/generic-2.6/config-2.6.24
View File

@ -1755,7 +1755,16 @@ CONFIG_VLAN_8021Q=y
# CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_VT is not set # CONFIG_VT is not set
# CONFIG_VXFS_FS is not set # CONFIG_VXFS_FS is not set
# CONFIG_W1 is not set CONFIG_W1=m
# CONFIG_W1_MASTER_DS1WM is not set
# CONFIG_W1_MASTER_DS2482 is not set
# CONFIG_W1_MASTER_DS2490 is not set
# CONFIG_W1_MASTER_GPIO is not set
# CONFIG_W1_MASTER_MATROX is not set
# CONFIG_W1_SLAVE_DS2433 is not set
# CONFIG_W1_SLAVE_DS2760 is not set
# CONFIG_W1_SLAVE_SMEM is not set
# CONFIG_W1_SLAVE_THERM is not set
# CONFIG_W83627HF_WDT is not set # CONFIG_W83627HF_WDT is not set
# CONFIG_W83697HF_WDT is not set # CONFIG_W83697HF_WDT is not set
# CONFIG_W83877F_WDT is not set # CONFIG_W83877F_WDT is not set

11
target/linux/generic-2.6/config-2.6.25
View File

@ -1780,7 +1780,16 @@ CONFIG_VLAN_8021Q=y
# CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_VT is not set # CONFIG_VT is not set
# CONFIG_VXFS_FS is not set # CONFIG_VXFS_FS is not set
# CONFIG_W1 is not set CONFIG_W1=m
# CONFIG_W1_MASTER_DS1WM is not set
# CONFIG_W1_MASTER_DS2482 is not set
# CONFIG_W1_MASTER_DS2490 is not set
# CONFIG_W1_MASTER_GPIO is not set
# CONFIG_W1_MASTER_MATROX is not set
# CONFIG_W1_SLAVE_DS2433 is not set
# CONFIG_W1_SLAVE_DS2760 is not set
# CONFIG_W1_SLAVE_SMEM is not set
# CONFIG_W1_SLAVE_THERM is not set
# CONFIG_W83627HF_WDT is not set # CONFIG_W83627HF_WDT is not set
# CONFIG_W83697HF_WDT is not set # CONFIG_W83697HF_WDT is not set
# CONFIG_W83877F_WDT is not set # CONFIG_W83877F_WDT is not set

186
target/linux/generic-2.6/patches-2.6.23/922-w1_gpio_driver_backport.patch Normal file
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@ -0,0 +1,186 @@
Index: linux-2.6.24.5/drivers/w1/masters/Kconfig
===================================================================
--- linux-2.6.23.16.orig/drivers/w1/masters/Kconfig
+++ linux-2.6.23.16/drivers/w1/masters/Kconfig
@@ -42,5 +42,15 @@ config W1_MASTER_DS1WM
in HP iPAQ devices like h5xxx, h2200, and ASIC3-based like
hx4700.
+config W1_MASTER_GPIO
+ tristate "GPIO 1-wire busmaster"
+ depends on GENERIC_GPIO
+ help
+ Say Y here if you want to communicate with your 1-wire devices using
+ GPIO pins. This driver uses the GPIO API to control the wire.
+
+ This support is also available as a module. If so, the module
+ will be called w1-gpio.ko.
+
endmenu
Index: linux-2.6.23.16/drivers/w1/masters/Makefile
===================================================================
--- linux-2.6.23.16.orig/drivers/w1/masters/Makefile
+++ linux-2.6.23.16/drivers/w1/masters/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_W1_MASTER_MATROX) += matro
obj-$(CONFIG_W1_MASTER_DS2490) += ds2490.o
obj-$(CONFIG_W1_MASTER_DS2482) += ds2482.o
obj-$(CONFIG_W1_MASTER_DS1WM) += ds1wm.o
+obj-$(CONFIG_W1_MASTER_GPIO) += w1-gpio.o
Index: linux-2.6.23.16/drivers/w1/masters/w1-gpio.c
===================================================================
--- /dev/null
+++ linux-2.6.23.16/drivers/w1/masters/w1-gpio.c
@@ -0,0 +1,124 @@
+/*
+ * w1-gpio - GPIO w1 bus master driver
+ *
+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/w1-gpio.h>
+
+#include "../w1.h"
+#include "../w1_int.h"
+
+#include <asm/gpio.h>
+
+static void w1_gpio_write_bit_dir(void *data, u8 bit)
+{
+ struct w1_gpio_platform_data *pdata = data;
+
+ if (bit)
+ gpio_direction_input(pdata->pin);
+ else
+ gpio_direction_output(pdata->pin, 0);
+}
+
+static void w1_gpio_write_bit_val(void *data, u8 bit)
+{
+ struct w1_gpio_platform_data *pdata = data;
+
+ gpio_set_value(pdata->pin, bit);
+}
+
+static u8 w1_gpio_read_bit(void *data)
+{
+ struct w1_gpio_platform_data *pdata = data;
+
+ return gpio_get_value(pdata->pin);
+}
+
+static int __init w1_gpio_probe(struct platform_device *pdev)
+{
+ struct w1_bus_master *master;
+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
+ int err;
+
+ if (!pdata)
+ return -ENXIO;
+
+ master = kzalloc(sizeof(struct w1_bus_master), GFP_KERNEL);
+ if (!master)
+ return -ENOMEM;
+
+ err = gpio_request(pdata->pin, "w1");
+ if (err)
+ goto free_master;
+
+ master->data = pdata;
+ master->read_bit = w1_gpio_read_bit;
+
+ if (pdata->is_open_drain) {
+ gpio_direction_output(pdata->pin, 1);
+ master->write_bit = w1_gpio_write_bit_val;
+ } else {
+ gpio_direction_input(pdata->pin);
+ master->write_bit = w1_gpio_write_bit_dir;
+ }
+
+ err = w1_add_master_device(master);
+ if (err)
+ goto free_gpio;
+
+ platform_set_drvdata(pdev, master);
+
+ return 0;
+
+ free_gpio:
+ gpio_free(pdata->pin);
+ free_master:
+ kfree(master);
+
+ return err;
+}
+
+static int __exit w1_gpio_remove(struct platform_device *pdev)
+{
+ struct w1_bus_master *master = platform_get_drvdata(pdev);
+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
+
+ w1_remove_master_device(master);
+ gpio_free(pdata->pin);
+ kfree(master);
+
+ return 0;
+}
+
+static struct platform_driver w1_gpio_driver = {
+ .driver = {
+ .name = "w1-gpio",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(w1_gpio_remove),
+};
+
+static int __init w1_gpio_init(void)
+{
+ return platform_driver_probe(&w1_gpio_driver, w1_gpio_probe);
+}
+
+static void __exit w1_gpio_exit(void)
+{
+ platform_driver_unregister(&w1_gpio_driver);
+}
+
+module_init(w1_gpio_init);
+module_exit(w1_gpio_exit);
+
+MODULE_DESCRIPTION("GPIO w1 bus master driver");
+MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>");
+MODULE_LICENSE("GPL");
Index: linux-2.6.23.16/include/linux/w1-gpio.h
===================================================================
--- /dev/null
+++ linux-2.6.23.16/include/linux/w1-gpio.h
@@ -0,0 +1,23 @@
+/*
+ * w1-gpio interface to platform code
+ *
+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+#ifndef _LINUX_W1_GPIO_H
+#define _LINUX_W1_GPIO_H
+
+/**
+ * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
+ * @pin: GPIO pin to use
+ * @is_open_drain: GPIO pin is configured as open drain
+ */
+struct w1_gpio_platform_data {
+ unsigned int pin;
+ unsigned int is_open_drain:1;
+};
+
+#endif /* _LINUX_W1_GPIO_H */

186
target/linux/generic-2.6/patches-2.6.24/922-w1_gpio_driver_backport.patch Normal file
View File

@ -0,0 +1,186 @@
Index: linux-2.6.24.5/drivers/w1/masters/Kconfig
===================================================================
--- linux-2.6.24.5.orig/drivers/w1/masters/Kconfig
+++ linux-2.6.24.5/drivers/w1/masters/Kconfig
@@ -42,5 +42,15 @@ config W1_MASTER_DS1WM
in HP iPAQ devices like h5xxx, h2200, and ASIC3-based like
hx4700.
+config W1_MASTER_GPIO
+ tristate "GPIO 1-wire busmaster"
+ depends on GENERIC_GPIO
+ help
+ Say Y here if you want to communicate with your 1-wire devices using
+ GPIO pins. This driver uses the GPIO API to control the wire.
+
+ This support is also available as a module. If so, the module
+ will be called w1-gpio.ko.
+
endmenu
Index: linux-2.6.24.5/drivers/w1/masters/Makefile
===================================================================
--- linux-2.6.24.5.orig/drivers/w1/masters/Makefile
+++ linux-2.6.24.5/drivers/w1/masters/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_W1_MASTER_MATROX) += matro
obj-$(CONFIG_W1_MASTER_DS2490) += ds2490.o
obj-$(CONFIG_W1_MASTER_DS2482) += ds2482.o
obj-$(CONFIG_W1_MASTER_DS1WM) += ds1wm.o
+obj-$(CONFIG_W1_MASTER_GPIO) += w1-gpio.o
Index: linux-2.6.24.5/drivers/w1/masters/w1-gpio.c
===================================================================
--- /dev/null
+++ linux-2.6.24.5/drivers/w1/masters/w1-gpio.c
@@ -0,0 +1,124 @@
+/*
+ * w1-gpio - GPIO w1 bus master driver
+ *
+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/w1-gpio.h>
+
+#include "../w1.h"
+#include "../w1_int.h"
+
+#include <asm/gpio.h>
+
+static void w1_gpio_write_bit_dir(void *data, u8 bit)
+{
+ struct w1_gpio_platform_data *pdata = data;
+
+ if (bit)
+ gpio_direction_input(pdata->pin);
+ else
+ gpio_direction_output(pdata->pin, 0);
+}
+
+static void w1_gpio_write_bit_val(void *data, u8 bit)
+{
+ struct w1_gpio_platform_data *pdata = data;
+
+ gpio_set_value(pdata->pin, bit);
+}
+
+static u8 w1_gpio_read_bit(void *data)
+{
+ struct w1_gpio_platform_data *pdata = data;
+
+ return gpio_get_value(pdata->pin);
+}
+
+static int __init w1_gpio_probe(struct platform_device *pdev)
+{
+ struct w1_bus_master *master;
+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
+ int err;
+
+ if (!pdata)
+ return -ENXIO;
+
+ master = kzalloc(sizeof(struct w1_bus_master), GFP_KERNEL);
+ if (!master)
+ return -ENOMEM;
+
+ err = gpio_request(pdata->pin, "w1");
+ if (err)
+ goto free_master;
+
+ master->data = pdata;
+ master->read_bit = w1_gpio_read_bit;
+
+ if (pdata->is_open_drain) {
+ gpio_direction_output(pdata->pin, 1);
+ master->write_bit = w1_gpio_write_bit_val;
+ } else {
+ gpio_direction_input(pdata->pin);
+ master->write_bit = w1_gpio_write_bit_dir;
+ }
+
+ err = w1_add_master_device(master);
+ if (err)
+ goto free_gpio;
+
+ platform_set_drvdata(pdev, master);
+
+ return 0;
+
+ free_gpio:
+ gpio_free(pdata->pin);
+ free_master:
+ kfree(master);
+
+ return err;
+}
+
+static int __exit w1_gpio_remove(struct platform_device *pdev)
+{
+ struct w1_bus_master *master = platform_get_drvdata(pdev);
+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
+
+ w1_remove_master_device(master);
+ gpio_free(pdata->pin);
+ kfree(master);
+
+ return 0;
+}
+
+static struct platform_driver w1_gpio_driver = {
+ .driver = {
+ .name = "w1-gpio",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(w1_gpio_remove),
+};
+
+static int __init w1_gpio_init(void)
+{
+ return platform_driver_probe(&w1_gpio_driver, w1_gpio_probe);
+}
+
+static void __exit w1_gpio_exit(void)
+{
+ platform_driver_unregister(&w1_gpio_driver);
+}
+
+module_init(w1_gpio_init);
+module_exit(w1_gpio_exit);
+
+MODULE_DESCRIPTION("GPIO w1 bus master driver");
+MODULE_AUTHOR("Ville Syrjala <syrjala@sci.fi>");
+MODULE_LICENSE("GPL");
Index: linux-2.6.24.5/include/linux/w1-gpio.h
===================================================================
--- /dev/null
+++ linux-2.6.24.5/include/linux/w1-gpio.h
@@ -0,0 +1,23 @@
+/*
+ * w1-gpio interface to platform code
+ *
+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+#ifndef _LINUX_W1_GPIO_H
+#define _LINUX_W1_GPIO_H
+
+/**
+ * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
+ * @pin: GPIO pin to use
+ * @is_open_drain: GPIO pin is configured as open drain
+ */
+struct w1_gpio_platform_data {
+ unsigned int pin;
+ unsigned int is_open_drain:1;
+};
+
+#endif /* _LINUX_W1_GPIO_H */