| 1 | /*
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| 2 | * Copyright (c) 2010 Lenka Trochtova
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup pciintel
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef PCI_H
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| 36 | #define PCI_H
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| 37 |
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| 38 |
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| 39 | #include <stdlib.h>
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| 40 | #include <driver.h>
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| 41 | #include <malloc.h>
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| 42 |
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| 43 | typedef struct pci_dev_data {
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| 44 | int bus;
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| 45 | int dev;
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| 46 | int fn;
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| 47 | int vendor_id;
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| 48 | int device_id;
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| 49 | hw_resource_list_t hw_resources;
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| 50 | } pci_dev_data_t;
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| 51 |
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| 52 | static inline pci_dev_data_t *create_pci_dev_data()
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| 53 | {
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| 54 | pci_dev_data_t *res = (pci_dev_data_t *)malloc(sizeof(pci_dev_data_t));
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| 55 | if (NULL != res) {
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| 56 | memset(res, 0, sizeof(pci_dev_data_t));
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| 57 | }
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| 58 | return res;
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| 59 | }
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| 60 |
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| 61 | static inline void init_pci_dev_data(pci_dev_data_t *d, int bus, int dev, int fn)
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| 62 | {
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| 63 | d->bus = bus;
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| 64 | d->dev = dev;
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| 65 | d->fn = fn;
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| 66 | }
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| 67 |
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| 68 | static inline void delete_pci_dev_data(pci_dev_data_t *d)
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| 69 | {
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| 70 | if (NULL != d) {
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| 71 | clean_hw_resource_list(&d->hw_resources);
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| 72 | free(d);
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| 73 | }
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| 74 | }
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| 75 |
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| 76 | static inline void create_pci_dev_name(device_t *dev)
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| 77 | {
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| 78 | pci_dev_data_t *dev_data = (pci_dev_data_t *)dev->driver_data;
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| 79 | char *name = NULL;
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| 80 | asprintf(&name, "%02x:%02x.%01x", dev_data->bus, dev_data->dev, dev_data->fn);
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| 81 | dev->name = name;
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| 82 | }
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| 83 |
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| 84 | void create_pci_match_ids(device_t *dev);
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| 85 |
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| 86 | uint8_t pci_conf_read_8(device_t *dev, int reg);
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| 87 | uint16_t pci_conf_read_16(device_t *dev, int reg);
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| 88 | uint32_t pci_conf_read_32(device_t *dev, int reg);
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| 89 | void pci_conf_write_8(device_t *dev, int reg, uint8_t val);
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| 90 | void pci_conf_write_16(device_t *dev, int reg, uint16_t val);
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| 91 | void pci_conf_write_32(device_t *dev, int reg, uint32_t val);
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| 92 |
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| 93 | void pci_bus_scan(device_t *parent, int bus_num);
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| 94 |
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| 95 | #endif
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| 96 |
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| 97 |
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| 98 | /**
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| 99 | * @}
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| 100 | */ |
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