1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#include <linux/firmware.h>
19#include "bnad.h"
20#include "bfi.h"
21#include "cna.h"
22
23const struct firmware *bfi_fw;
24static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna;
25static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size;
26
27static u32 *
28cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
29			u32 *bfi_image_size, char *fw_name)
30{
31	const struct firmware *fw;
32
33	if (request_firmware(&fw, fw_name, &pdev->dev)) {
34		pr_alert("Can't locate firmware %s\n", fw_name);
35		goto error;
36	}
37
38	*bfi_image = (u32 *)fw->data;
39	*bfi_image_size = fw->size/sizeof(u32);
40	bfi_fw = fw;
41
42	return *bfi_image;
43error:
44	return NULL;
45}
46
47u32 *
48cna_get_firmware_buf(struct pci_dev *pdev)
49{
50	if (pdev->device == BFA_PCI_DEVICE_ID_CT2) {
51		if (bfi_image_ct2_cna_size == 0)
52			cna_read_firmware(pdev, &bfi_image_ct2_cna,
53				&bfi_image_ct2_cna_size, CNA_FW_FILE_CT2);
54		return bfi_image_ct2_cna;
55	} else if (bfa_asic_id_ct(pdev->device)) {
56		if (bfi_image_ct_cna_size == 0)
57			cna_read_firmware(pdev, &bfi_image_ct_cna,
58				&bfi_image_ct_cna_size, CNA_FW_FILE_CT);
59		return bfi_image_ct_cna;
60	}
61
62	return NULL;
63}
64
65u32 *
66bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off)
67{
68	switch (asic_gen) {
69	case BFI_ASIC_GEN_CT:
70		return (u32 *)(bfi_image_ct_cna + off);
71		break;
72	case BFI_ASIC_GEN_CT2:
73		return (u32 *)(bfi_image_ct2_cna + off);
74		break;
75	default:
76		return NULL;
77	}
78}
79
80u32
81bfa_cb_image_get_size(enum bfi_asic_gen asic_gen)
82{
83	switch (asic_gen) {
84	case BFI_ASIC_GEN_CT:
85		return bfi_image_ct_cna_size;
86		break;
87	case BFI_ASIC_GEN_CT2:
88		return bfi_image_ct2_cna_size;
89		break;
90	default:
91		return 0;
92	}
93}
94