936dbe1d06
For devices supporting both Linux and Windows, we may find some ACPI devices that only need drivers in Linux and should not even be shown in Windows Device Manager UI. The new 'hidden' keyword in device tree 'device' statement allows devices sharing same driver to call acpi_gen_writeSTA with different values. BUG=b:72200466 BRANCH=eve TEST=Builds and boots properly on device eve Change-Id: Iae881a294b122d3a581b456285d2992ab637fb8e Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: https://review.coreboot.org/28566 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
170 lines
3.7 KiB
C
170 lines
3.7 KiB
C
/*
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* sconfig, coreboot device tree compiler
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*
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* Copyright (C) 2010 coresystems GmbH
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* written by Patrick Georgi <patrick@georgi-clan.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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struct resource;
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struct resource {
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int type;
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int index;
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int base;
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struct resource *next;
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};
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struct reg;
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struct reg {
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char *key;
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char *value;
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struct reg *next;
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};
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struct pci_irq_info {
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int ioapic_irq_pin;
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int ioapic_dst_id;
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};
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struct chip;
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struct chip_instance {
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/*
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* Monotonically increasing ID for each newly allocated
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* node(chip/device).
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*/
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int id;
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/* Pointer to registers for this chip. */
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struct reg *reg;
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/* Pointer to chip of which this is instance. */
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struct chip *chip;
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/* Pointer to next instance of the same chip. */
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struct chip_instance *next;
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/*
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* Reference count - Indicates how many devices hold pointer to this
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* chip instance.
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*/
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int ref_count;
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};
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struct chip {
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/* Indicates if chip header exists for this chip. */
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int chiph_exists;
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/* Name of current chip. */
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char *name;
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/* Name of current chip normalized to _. */
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char *name_underscore;
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/* Pointer to first instance of this chip. */
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struct chip_instance *instance;
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/* Pointer to next chip. */
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struct chip *next;
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};
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struct device;
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struct bus {
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/* Instance/ID of the bus under the device. */
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int id;
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/* Pointer to device to which this bus belongs. */
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struct device *dev;
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/* Pointer to list of children. */
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struct device *children;
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/* Pointer to next bus for the device. */
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struct bus *next_bus;
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};
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struct device {
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/* Monotonically increasing ID for the device. */
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int id;
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/* Indicates device status (enabled / hidden or not). */
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int enabled;
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int hidden;
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/* Subsystem IDs for the device. */
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int subsystem_vendor;
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int subsystem_device;
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int inherit_subsystem;
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/* Name of this device. */
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char *name;
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/* Path of this device. */
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char *path;
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int path_a;
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int path_b;
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/* Type of bus that exists under this device. */
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int bustype;
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/* PCI IRQ info. */
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struct pci_irq_info pci_irq_info[4];
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/* Pointer to bus of parent on which this device resides. */
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struct bus *parent;
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/* Pointer to next child under the same parent. */
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struct device *sibling;
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/* Pointer to resources for this device. */
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struct resource *res;
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/* Pointer to chip instance for this device. */
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struct chip_instance *chip_instance;
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/* Pointer to list of buses under this device. */
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struct bus *bus;
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/* Pointer to last bus under this device. */
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struct bus *last_bus;
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};
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extern struct bus *root_parent;
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struct device *new_device(struct bus *parent,
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struct chip_instance *chip_instance,
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const int bustype, const char *devnum,
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int status);
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void add_resource(struct bus *bus, int type, int index, int base);
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void add_pci_subsystem_ids(struct bus *bus, int vendor, int device,
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int inherit);
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void add_ioapic_info(struct bus *bus, int apicid, const char *_srcpin,
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int irqpin);
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void yyrestart(FILE *input_file);
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/* Add chip data to tail of queue. */
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void chip_enqueue_tail(void *data);
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/* Retrieve chip data from tail of queue. */
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void *chip_dequeue_tail(void);
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struct chip_instance *new_chip_instance(char *path);
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void add_register(struct chip_instance *chip, char *name, char *val);
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