patch-2.4.19 linux-2.4.19/drivers/hotplug/pcihp_acpi.h

• Lines: 232
• Date: Fri Aug 2 17:39:44 2002
• Orig file: linux-2.4.18/drivers/hotplug/pcihp_acpi.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/drivers/hotplug/pcihp_acpi.h linux-2.4.19/drivers/hotplug/pcihp_acpi.h
@@ -0,0 +1,231 @@
+/*
+ * ACPI PCI Hot Plug Controller Driver
+ *
+ * Copyright (c) 1995,2001 Compaq Computer Corporation
+ * Copyright (c) 2001 Greg Kroah-Hartman (greg@kroah.com)
+ * Copyright (c) 2001 IBM Corp.
+ * Copyright (c) 2002 Hiroshi Aono (h-aono@ap.jp.nec.com)
+ * Copyright (c) 2002 Takayoshi Kochi (t-kouchi@cq.jp.nec.com)
+ * Copyright (c) 2002 NEC Corporation
+ *
+ * All rights reserved.
+ *
+ * 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, GOOD TITLE or
+ * NON INFRINGEMENT.  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Send feedback to <gregkh@us.ibm.com>,
+ *		    <h-aono@ap.jp.nec.com>,
+ *		    <t-kouchi@cq.jp.nec.com>
+ *
+ */
+
+#ifndef _PCIHP_ACPI_H
+#define _PCIHP_ACPI_H
+
+#include "include/acpi.h"
+
+#if ACPI_CA_VERSION < 0x20020201
+/* until we get a new version of the ACPI driver for both ia32 and ia64 ... */
+#define acpi_util_eval_error(h,p,s)
+
+static acpi_status
+acpi_evaluate_integer (
+	acpi_handle		handle,
+	acpi_string		pathname,
+	acpi_object_list	*arguments,
+	unsigned long		*data)
+{
+	acpi_status             status = AE_OK;
+	acpi_object             element;
+	acpi_buffer		buffer = {sizeof(acpi_object), &element};
+
+	if (!data)
+		return AE_BAD_PARAMETER;
+
+	status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
+	if (ACPI_FAILURE(status)) {
+		acpi_util_eval_error(handle, pathname, status);
+		return status;
+	}
+
+	if (element.type != ACPI_TYPE_INTEGER) {
+		acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
+		return AE_BAD_DATA;
+	}
+
+	*data = element.integer.value;
+
+	return AE_OK;
+}
+#else  /* ACPI_CA_VERSION < 0x20020201 */
+#include "acpi_bus.h"
+#endif /* ACPI_CA_VERSION < 0x20020201 */
+
+/* compatibility stuff */
+#ifndef ACPI_MEMORY_RANGE
+#define ACPI_MEMORY_RANGE MEMORY_RANGE
+#endif
+
+#ifndef ACPI_IO_RANGE
+#define ACPI_IO_RANGE IO_RANGE
+#endif
+
+#ifndef ACPI_BUS_NUMBER_RANGE
+#define ACPI_BUS_NUMBER_RANGE BUS_NUMBER_RANGE
+#endif
+
+#ifndef ACPI_PREFETCHABLE_MEMORY
+#define ACPI_PREFETCHABLE_MEMORY PREFETCHABLE_MEMORY
+#endif
+
+#ifndef ACPI_PRODUCER
+#define ACPI_PRODUCER PRODUCER
+#endif
+
+
+#define dbg(format, arg...)					\
+	do {							\
+		if (debug)					\
+			printk (KERN_DEBUG "%s: " format "\n",	\
+				MY_NAME , ## arg); 		\
+	} while (0)
+#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
+
+/*
+ * types and constants
+ */
+
+#define SLOT_MAGIC	0x67267322
+
+struct pcihp_acpi_bridge;
+struct pcihp_acpi_slot;
+
+/* slot information for each *physical* slot */
+
+struct slot {
+	u32 magic;
+	u8 number;
+	struct hotplug_slot	*hotplug_slot;
+	struct list_head	slot_list;
+
+	int			attention_status;
+
+	struct pci_resource	*mem_head;
+	struct pci_resource	*p_mem_head;
+	struct pci_resource	*io_head;
+	struct pci_resource	*bus_head;
+
+	/* if there are multiple corresponding slot objects,
+	   this point to one of them */
+	struct pcihp_acpi_slot	*acpi_slot;
+
+	struct pci_dev		*pci_dev;
+};
+
+#define RESOURCE_TYPE_IO	(1)
+#define RESOURCE_TYPE_MEM	(2)
+#define RESOURCE_TYPE_PREFETCH	(3)
+#define RESOURCE_TYPE_BUS	(4)
+
+/* TBD 64bit resource support */
+struct pci_resource {
+	struct pci_resource * next;
+	u32 base;
+	u32 length;
+};
+
+/* bridge information for each bridge device in ACPI namespace */
+
+struct pcihp_acpi_bridge {
+	struct list_head list;
+	acpi_handle handle;
+	struct pcihp_acpi_slot *slots;
+	int nr_slots;
+	u8 seg;
+	u8 bus;
+	u8 sub;
+	u32 status;
+	u32 flags;
+
+	/* resources on this bus (free resources) */
+	struct pci_resource *free_io;
+	struct pci_resource *free_mem;
+	struct pci_resource *free_prefetch;
+	struct pci_resource *free_bus;
+
+	/* used resources (embedded or owned resources) */
+	struct pci_resource *used_io;
+	struct pci_resource *used_mem;
+	struct pci_resource *used_prefetch;
+	struct pci_resource *used_bus;
+};
+
+/*
+ * slot information for each slot object in ACPI namespace
+ * usually 8 objects per slot (for each PCI function)
+ */
+
+struct pcihp_acpi_slot {
+	struct pcihp_acpi_slot	*next;
+	struct pcihp_acpi_bridge *bridge; /* this slot located on */
+	struct list_head sibling;	/* one slot may have different
+					   objects (i.e. for each function) */
+	acpi_handle	handle;
+	u32		id;		/* slot id (this driver specific) */
+	u8		device;		/* pci device# */
+	u8		function;	/* pci function# */
+	u8		pin;		/* pci interrupt pin */
+	u32		sun;		/* _SUN */
+	u32		flags;		/* see below */
+	u32		status;		/* _STA */
+};
+
+/* PCI bus bridge HID */
+#define ACPI_PCI_ROOT_HID		"PNP0A03"
+
+/* ACPI _STA method value (ignore bit 4; battery present) */
+#define ACPI_STA_PRESENT		(0x00000001)
+#define ACPI_STA_ENABLED		(0x00000002)
+#define ACPI_STA_SHOW_IN_UI		(0x00000004)
+#define ACPI_STA_FUNCTIONAL		(0x00000008)
+#define ACPI_STA_ALL			(0x0000000f)
+
+/* bridge flags */
+#define BRIDGE_HAS_STA	(0x00000001)
+
+/* slot flags */
+
+#define SLOT_HAS_EJ0	(0x00000001)
+#define SLOT_HAS_PS0	(0x00000002)
+#define SLOT_HAS_PS3	(0x00000004)
+
+/* function prototypes */
+
+/* pcihp_acpi_glue.c */
+extern int pcihp_acpi_glue_init (void);
+extern void pcihp_acpi_glue_exit (void);
+extern int pcihp_acpi_get_num_slots (void);
+extern struct pcihp_acpi_slot *get_slot_from_id (int id);
+
+extern int pcihp_acpi_enable_slot (struct pcihp_acpi_slot *slot);
+extern int pcihp_acpi_disable_slot (struct pcihp_acpi_slot *slot);
+extern u8 pcihp_acpi_get_power_status (struct pcihp_acpi_slot *slot);
+extern u8 pcihp_acpi_get_attention_status (struct pcihp_acpi_slot *slot);
+extern u8 pcihp_acpi_get_latch_status (struct pcihp_acpi_slot *slot);
+extern u8 pcihp_acpi_get_adapter_status (struct pcihp_acpi_slot *slot);
+
+#endif /* _PCIHP_ACPI_H */