cleaning up olpc patch 1

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10060 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 341 insertions, 0 deletions

diff --git a/target/linux/olpc/files/include/asm-i386/ofw.h b/target/linux/olpc/files/include/asm-i386/ofw.h
new file mode 100644
index 000000000..79b08b164
--- /dev/null
+++ b/target/linux/olpc/files/include/asm-i386/ofw.h
@@ -0,0 +1,16 @@
+/*
+ * Definitions for Open Firmware client interface on 32-bit system.
+ * OF Cell size is 4. Integer properties are encoded big endian,
+ * as with all OF implementations.
+ *
+ * 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.
+ */
+#ifndef _OFW_H
+#define _OFW_H
+
+extern int ofw(char *, int, int, ...); 
+
+#endif
diff --git a/target/linux/olpc/files/include/asm-i386/olpc.h b/target/linux/olpc/files/include/asm-i386/olpc.h
new file mode 100644
index 000000000..26bc1a8d3
--- /dev/null
+++ b/target/linux/olpc/files/include/asm-i386/olpc.h
@@ -0,0 +1,116 @@
+/* OLPC machine specific definitions */
+
+#ifndef ASM_OLPC_H_
+#define ASM_OLPC_H_
+
+#include <asm/geode.h>
+
+struct olpc_platform_t {
+	int flags;
+	int boardrev;
+	int ecver;
+};
+
+#define OLPC_F_PRESENT 0x01
+#define OLPC_F_DCON    0x02
+#define OLPC_F_VSA     0x04
+
+enum
+{
+	OLPC_REV_A = 0,
+
+	OLPC_REV_PRE_B1,
+	OLPC_REV_B1,
+	OLPC_REV_PRE_B2,
+	OLPC_REV_B2,
+	OLPC_REV_PRE_B3,
+	OLPC_REV_B3,
+	OLPC_REV_B4,
+	OLPC_REV_C1,
+	OLPC_REV_R1,
+	OLPC_REV_UNKNOWN	/* this should always come last */
+};
+
+#ifndef CONFIG_OLPC
+
+static inline int machine_is_olpc(void) { return 0; }
+static inline int olpc_has_dcon(void) { return 0; }
+static inline int olpc_has_vsa(void) { return 0; }
+static inline int olpc_get_rev(void) { return OLPC_REV_UNKNOWN; }
+
+#else
+
+extern struct olpc_platform_t olpc_platform_info;
+
+static inline int
+machine_is_olpc(void)
+{
+	return (olpc_platform_info.flags & OLPC_F_PRESENT) ? 1 : 0;
+}
+
+static inline int
+olpc_has_dcon(void)
+{
+	return (olpc_platform_info.flags & OLPC_F_DCON) ? 1 : 0;
+}
+
+static inline int
+olpc_has_vsa(void)
+{
+	return (olpc_platform_info.flags & OLPC_F_VSA) ? 1 : 0;
+}
+
+static inline int
+olpc_get_rev(void)
+{
+	return olpc_platform_info.boardrev;
+}
+
+static inline int
+olpc_rev_after(int rev)
+{
+	return olpc_platform_info.boardrev > rev &&
+			olpc_platform_info.boardrev != OLPC_REV_UNKNOWN;
+}
+
+static inline int
+olpc_rev_before(int rev)
+{
+	return olpc_platform_info.boardrev < rev ||
+			olpc_platform_info.boardrev == OLPC_REV_UNKNOWN;
+}
+
+#endif
+
+/* EC functions */
+
+int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
+		unsigned char *outbuf, size_t outlen);
+
+void olpc_register_battery_callback(void (*f)(unsigned long));
+void olpc_deregister_battery_callback(void);
+
+/* EC commands and responses */
+
+/* SCI source values */
+
+#define EC_SCI_SRC_EMPTY   0x00
+#define EC_SCI_SRC_GAME    0x01
+#define EC_SCI_SRC_BATTERY 0x02
+#define EC_SCI_SRC_BATSOC  0x04
+#define EC_SCI_SRC_BATERR  0x08
+#define EC_SCI_SRC_EBOOK   0x10
+#define EC_SCI_SRC_WLAN    0x20
+#define EC_SCI_SRC_ACPWR   0x40
+
+/* GPIO assignments */
+
+#define OLPC_GPIO_MIC_AC      1
+#define OLPC_GPIO_DCON_IRQ    7
+#define OLPC_GPIO_THRM_ALRM  10
+#define OLPC_GPIO_WORKAUX    24
+#define OLPC_GPIO_LID        26
+#define OLPC_GPIO_ECSCI      27
+
+#endif
+
diff --git a/target/linux/olpc/files/include/asm-i386/prom.h b/target/linux/olpc/files/include/asm-i386/prom.h
new file mode 100644
index 000000000..59d3bddcc
--- /dev/null
+++ b/target/linux/olpc/files/include/asm-i386/prom.h
@@ -0,0 +1,108 @@
+#ifndef _I386_PROM_H
+#define _I386_PROM_H
+#ifdef __KERNEL__
+
+
+/*
+ * Definitions for talking to the Open Firmware PROM on
+ * Power Macintosh computers.
+ *
+ * Copyright (C) 1996-2005 Paul Mackerras.
+ *
+ * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
+ * Updates for SPARC64 by David S. Miller
+ * Updates for i386/OLPC by Andres Salomon
+ *
+ * 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.
+ */
+
+#include <linux/types.h>
+#include <linux/proc_fs.h>
+#include <asm/atomic.h>
+
+typedef u32 phandle;
+typedef u32 ihandle;
+
+struct property {
+	char	*name;
+	int	length;
+	void	*value;
+	struct property *next;
+};
+
+struct device_node {
+	const char	*name;
+	const char	*type;
+	phandle	node;
+//        phandle linux_phandle;
+	char	*path_component_name;
+	char	*full_name;
+
+	struct	property *properties;
+	struct  property *deadprops; /* removed properties */
+	struct	device_node *parent;
+	struct	device_node *child;
+	struct	device_node *sibling;
+	struct	device_node *next;	/* next device of same type */
+	struct	device_node *allnext;	/* next in list of all nodes */
+	struct  proc_dir_entry *pde;	/* this node's proc directory */
+	struct  kref kref;
+	unsigned long _flags;
+	void	*data;
+};
+
+/* flag descriptions */
+#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
+
+#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
+#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
+
+#define OF_BAD_ADDR	((u64)-1)
+
+static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
+{
+	dn->pde = de;
+}
+
+extern struct device_node *of_find_node_by_name(struct device_node *from,
+	const char *name);
+#define for_each_node_by_name(dn, name) \
+	for (dn = of_find_node_by_name(NULL, name); dn; \
+	     dn = of_find_node_by_name(dn, name))
+extern struct device_node *of_find_node_by_type(struct device_node *from,
+	const char *type);
+#define for_each_node_by_type(dn, type) \
+	for (dn = of_find_node_by_type(NULL, type); dn; \
+	     dn = of_find_node_by_type(dn, type))
+extern struct device_node *of_find_compatible_node(struct device_node *from,
+	const char *type, const char *compat);
+extern struct device_node *of_find_node_by_path(const char *path);
+extern struct device_node *of_find_node_by_phandle(phandle handle);
+extern struct device_node *of_get_parent(const struct device_node *node);
+extern struct device_node *of_get_next_child(const struct device_node *node,
+					     struct device_node *prev);
+extern struct property *of_find_property(const struct device_node *np,
+					 const char *name,
+					 int *lenp);
+//extern struct device_node *of_node_get(struct device_node *node);
+//extern void of_node_put(struct device_node *node);
+extern int of_device_is_compatible(const struct device_node *device,
+				   const char *);
+extern const void *of_get_property(const struct device_node *node,
+			     const char *name,
+			     int *lenp);
+#define get_property(node,name,lenp) of_get_property(node,name,lenp)
+extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
+extern int of_getintprop_default(struct device_node *np,
+				 const char *name,
+				 int def);
+extern int of_n_addr_cells(struct device_node *np);
+extern int of_n_size_cells(struct device_node *np);
+
+extern void prom_build_devicetree(void);
+
+#endif /* __KERNEL__ */
+#endif
diff --git a/target/linux/olpc/files/include/linux/battery.h b/target/linux/olpc/files/include/linux/battery.h
new file mode 100644
index 000000000..2f856a0d7
--- /dev/null
+++ b/target/linux/olpc/files/include/linux/battery.h
@@ -0,0 +1,101 @@
+/*
+ * Driver model for batteries
+ *
+ *	© 2006 David Woodhouse <dwmw2@infradead.org>
+ *
+ * Based on LED Class support, by John Lenz and Richard Purdie:
+ *
+ *	© 2005 John Lenz <lenz@cs.wisc.edu>
+ *	© 2005-2006 Richard Purdie <rpurdie@openedhand.com>
+ *
+ * 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_BATTERY_H__
+#define __LINUX_BATTERY_H__
+
+struct device;
+struct class_device;
+
+/*
+ * Battery Core
+ */
+#define PWRDEV_TYPE_BATTERY	0
+#define PWRDEV_TYPE_AC		1
+
+#define BAT_STAT_PRESENT	(1<<0)
+#define BAT_STAT_LOW		(1<<1)
+#define BAT_STAT_FULL		(1<<2)
+#define BAT_STAT_CHARGING	(1<<3)
+#define BAT_STAT_DISCHARGING	(1<<4)
+#define BAT_STAT_OVERTEMP	(1<<5)
+#define BAT_STAT_CRITICAL	(1<<6)
+#define BAT_STAT_FIRE		(1<<7)
+#define BAT_STAT_CHARGE_DONE	(1<<8)
+
+/* Thou shalt not export any attributes in sysfs except these, and
+   with these units: */
+#define BAT_INFO_STATUS		"status"		/* Not free-form. Use
+							   provided function */
+#define BAT_INFO_TEMP1		"temp1"			/* °C/1000 */
+#define BAT_INFO_TEMP1_NAME	"temp1_name"		/* string */
+
+#define BAT_INFO_TEMP2		"temp2"			/* °C/1000 */
+#define BAT_INFO_TEMP2_NAME	"temp2_name"		/* string */
+
+#define BAT_INFO_VOLTAGE	"voltage"		/* mV */
+#define BAT_INFO_VOLTAGE_DESIGN	"voltage_design"	/* mV */
+
+#define BAT_INFO_CURRENT	"current"		/* mA */
+#define BAT_INFO_CURRENT_NOW	"current_now"		/* mA */
+
+#define BAT_INFO_POWER		"power"			/* mW */
+#define BAT_INFO_POWER_NOW	"power_now"		/* mW */
+
+/* The following capacity/charge properties are represented in either
+   mA or mW. The CAP_UNITS property MUST be provided if any of these are. */
+#define BAT_INFO_RATE		"rate"			/* CAP_UNITS */
+#define BAT_INFO_CAP_LEFT	"capacity_left"		/* CAP_UNITS*h */
+#define BAT_INFO_CAP_DESIGN	"capacity_design"	/* CAP_UNITS*h */
+#define BAT_INFO_CAP_LAST_FULL	"capacity_last_full"	/* CAP_UNITS*h */
+#define BAT_INFO_CAP_LOW	"capacity_low_thresh"	/* CAP_UNITS*h */
+#define BAT_INFO_CAP_WARN	"capacity_warn_thresh"	/* CAP_UNITS*h */
+#define BAT_INFO_CAP_UNITS	"capacity_units"	/* string: must be
+							   either mA or mW */
+	
+#define BAT_INFO_CAP_PCT	"capacity_percentage"	/* integer */
+
+#define BAT_INFO_TIME_EMPTY	"time_to_empty"		/* seconds */
+#define BAT_INFO_TIME_EMPTY_NOW	"time_to_empty_now"	/* seconds */
+#define BAT_INFO_TIME_FULL	"time_to_full"		/* seconds */
+#define BAT_INFO_TIME_FULL_NOW	"time_to_full_now"	/* seconds */
+
+#define BAT_INFO_MANUFACTURER	"manufacturer"		/* string */
+#define BAT_INFO_TECHNOLOGY	"technology"		/* string */
+#define BAT_INFO_MODEL		"model"			/* string */
+#define BAT_INFO_SERIAL		"serial"		/* string */
+#define BAT_INFO_OEM_INFO	"oem_info"		/* string */
+
+#define BAT_INFO_CYCLE_COUNT	"cycle_count"		/* integer */
+#define BAT_INFO_DATE_MFR	"date_manufactured"	/* YYYY[-MM[-DD]] */
+#define BAT_INFO_DATE_FIRST_USE	"date_first_use"	/* YYYY[-MM[-DD]] */
+
+struct battery_dev {
+	int			status_cap;
+	int			id;
+	int			type;
+	const char		*name;
+
+	struct device		*dev;
+};
+
+int battery_device_register(struct device *parent,
+			    struct battery_dev *battery_cdev);
+void battery_device_unregister(struct battery_dev *battery_cdev);
+
+
+ssize_t battery_attribute_show_status(char *buf, unsigned long status);
+ssize_t battery_attribute_show_ac_status(char *buf, unsigned long status);
+#endif /* __LINUX_BATTERY_H__ */