source: mainline/uspace/drv/rootpc/rootpc.c@ 5f0123b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 5f0123b was 5f0123b, checked in by Jiri Svoboda <jiri@…>, 15 years ago

Fix architecture vs. platform.

  • Property mode set to 100644
File size: 4.8 KB
RevLine 
[eff1a590]1/*
2 * Copyright (c) 2010 Lenka Trochtova
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/**
[5f0123b]30 * @defgroup root_pc PC platform driver.
31 * @brief HelenOS PC platform driver.
[eff1a590]32 * @{
33 */
34
35/** @file
36 */
37
38#include <assert.h>
39#include <stdio.h>
40#include <errno.h>
41#include <bool.h>
42#include <fibril_synch.h>
43#include <stdlib.h>
[c47e1a8]44#include <str.h>
[eff1a590]45#include <ctype.h>
46#include <macros.h>
47
48#include <driver.h>
49#include <devman.h>
50#include <ipc/devman.h>
[5cd136ab]51#include <ipc/dev_iface.h>
[9a66bc2e]52#include <resource.h>
[3843ecb]53#include <device/hw_res.h>
[eff1a590]54
[178673c]55#define NAME "rootpc"
[eff1a590]56
[178673c]57typedef struct rootpc_child_dev_data {
[b9ccc46d]58 hw_resource_list_t hw_resources;
[178673c]59} rootpc_child_dev_data_t;
[5cd136ab]60
[178673c]61static int rootpc_add_device(device_t *dev);
62static void root_pc_init(void);
[eff1a590]63
[b9ccc46d]64/** The root device driver's standard operations. */
[178673c]65static driver_ops_t rootpc_ops = {
66 .add_device = &rootpc_add_device
[eff1a590]67};
68
[b9ccc46d]69/** The root device driver structure. */
[178673c]70static driver_t rootpc_driver = {
[eff1a590]71 .name = NAME,
[178673c]72 .driver_ops = &rootpc_ops
[eff1a590]73};
74
[5cd136ab]75static hw_resource_t pci_conf_regs = {
[3a5909f]76 .type = IO_RANGE,
77 .res.io_range = {
78 .address = 0xCF8,
[5cd136ab]79 .size = 8,
[b9ccc46d]80 .endianness = LITTLE_ENDIAN
81 }
[5cd136ab]82};
83
[178673c]84static rootpc_child_dev_data_t pci_data = {
[5cd136ab]85 .hw_resources = {
[b9ccc46d]86 1,
[5cd136ab]87 &pci_conf_regs
88 }
89};
90
[178673c]91static hw_resource_list_t *rootpc_get_child_resources(device_t *dev)
[9a66bc2e]92{
[178673c]93 rootpc_child_dev_data_t *data;
[b9ccc46d]94
[178673c]95 data = (rootpc_child_dev_data_t *) dev->driver_data;
[b9ccc46d]96 if (NULL == data)
[9a66bc2e]97 return NULL;
[b9ccc46d]98
[9a66bc2e]99 return &data->hw_resources;
100}
101
[178673c]102static bool rootpc_enable_child_interrupt(device_t *dev)
[9a66bc2e]103{
[b9ccc46d]104 /* TODO */
[9a66bc2e]105
106 return false;
107}
108
109static resource_iface_t child_res_iface = {
[178673c]110 &rootpc_get_child_resources,
111 &rootpc_enable_child_interrupt
[9a66bc2e]112};
113
[178673c]114/* Initialized in root_pc_init() function. */
115static device_ops_t rootpc_child_ops;
[3843ecb]116
[b9ccc46d]117static bool
[178673c]118rootpc_add_child(device_t *parent, const char *name, const char *str_match_id,
119 rootpc_child_dev_data_t *drv_data)
[5cd136ab]120{
[eff1a590]121 printf(NAME ": adding new child device '%s'.\n", name);
122
123 device_t *child = NULL;
[b9ccc46d]124 match_id_t *match_id = NULL;
[eff1a590]125
[b9ccc46d]126 /* Create new device. */
127 child = create_device();
128 if (NULL == child)
[eff1a590]129 goto failure;
130
131 child->name = name;
[5cd136ab]132 child->driver_data = drv_data;
[eff1a590]133
[b9ccc46d]134 /* Initialize match id list */
135 match_id = create_match_id();
136 if (NULL == match_id)
[eff1a590]137 goto failure;
[b9ccc46d]138
[eff1a590]139 match_id->id = str_match_id;
140 match_id->score = 100;
[b9ccc46d]141 add_match_id(&child->match_ids, match_id);
[eff1a590]142
[b9ccc46d]143 /* Set provided operations to the device. */
[178673c]144 child->ops = &rootpc_child_ops;
[9a66bc2e]145
[b9ccc46d]146 /* Register child device. */
147 if (EOK != child_device_register(child, parent))
[eff1a590]148 goto failure;
149
150 return true;
151
152failure:
[b9ccc46d]153 if (NULL != match_id)
[eff1a590]154 match_id->id = NULL;
155
156 if (NULL != child) {
157 child->name = NULL;
[b9ccc46d]158 delete_device(child);
[eff1a590]159 }
160
161 printf(NAME ": failed to add child device '%s'.\n", name);
162
[b9ccc46d]163 return false;
[eff1a590]164}
165
[178673c]166static bool rootpc_add_children(device_t *dev)
[eff1a590]167{
[178673c]168 return rootpc_add_child(dev, "pci0", "intel_pci", &pci_data);
[eff1a590]169}
170
171/** Get the root device.
[b9ccc46d]172 *
173 * @param dev The device which is root of the whole device tree (both
174 * of HW and pseudo devices).
175 * @return Zero on success, negative error number otherwise.
[eff1a590]176 */
[178673c]177static int rootpc_add_device(device_t *dev)
[eff1a590]178{
[ab3a851]179 printf(NAME ": rootpc_add_device, device handle = %d\n",
180 (int)dev->handle);
[eff1a590]181
[b9ccc46d]182 /* Register child devices. */
[178673c]183 if (!rootpc_add_children(dev)) {
[5f0123b]184 printf(NAME ": failed to add child devices for PC platform.\n");
[eff1a590]185 }
186
[df747b9c]187 return EOK;
[eff1a590]188}
189
[178673c]190static void root_pc_init(void)
[b9ccc46d]191{
[178673c]192 rootpc_child_ops.interfaces[HW_RES_DEV_IFACE] = &child_res_iface;
[3843ecb]193}
194
[eff1a590]195int main(int argc, char *argv[])
196{
[5f0123b]197 printf(NAME ": HelenOS PC platform driver\n");
[178673c]198 root_pc_init();
199 return driver_main(&rootpc_driver);
[eff1a590]200}
201
202/**
203 * @}
204 */
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