summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/brocade/bna/cna_fwimg.c
blob: 6f72771caea66a6de0d3380b6edcc83cccbd7fbf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
/*
 * Linux network driver for Brocade Converged Network Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * 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.  See the GNU
 * General Public License for more details.
 */
/*
 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 */
#include <linux/firmware.h>
#include "bnad.h"
#include "bfi.h"
#include "cna.h"

const struct firmware *bfi_fw;
static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna;
static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size;

static u32 *
cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
			u32 *bfi_image_size, char *fw_name)
{
	const struct firmware *fw;

	if (request_firmware(&fw, fw_name, &pdev->dev)) {
		pr_alert("Can't locate firmware %s\n", fw_name);
		goto error;
	}

	*bfi_image = (u32 *)fw->data;
	*bfi_image_size = fw->size/sizeof(u32);
	bfi_fw = fw;

	return *bfi_image;
error:
	return NULL;
}

u32 *
cna_get_firmware_buf(struct pci_dev *pdev)
{
	if (pdev->device == BFA_PCI_DEVICE_ID_CT2) {
		if (bfi_image_ct2_cna_size == 0)
			cna_read_firmware(pdev, &bfi_image_ct2_cna,
				&bfi_image_ct2_cna_size, CNA_FW_FILE_CT2);
		return bfi_image_ct2_cna;
	} else if (bfa_asic_id_ct(pdev->device)) {
		if (bfi_image_ct_cna_size == 0)
			cna_read_firmware(pdev, &bfi_image_ct_cna,
				&bfi_image_ct_cna_size, CNA_FW_FILE_CT);
		return bfi_image_ct_cna;
	}

	return NULL;
}

u32 *
bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off)
{
	switch (asic_gen) {
	case BFI_ASIC_GEN_CT:
		return (bfi_image_ct_cna + off);
	case BFI_ASIC_GEN_CT2:
		return (bfi_image_ct2_cna + off);
	default:
		return NULL;
	}
}

u32
bfa_cb_image_get_size(enum bfi_asic_gen asic_gen)
{
	switch (asic_gen) {
	case BFI_ASIC_GEN_CT:
		return bfi_image_ct_cna_size;
	case BFI_ASIC_GEN_CT2:
		return bfi_image_ct2_cna_size;
	default:
		return 0;
	}
}