1/*
2 * Linux network driver for QLogic BR-series 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) 2005-2014 Brocade Communications Systems, Inc.
15 * Copyright (c) 2014-2015 QLogic Corporation
16 * All rights reserved
17 * www.qlogic.com
18 */
19#include <linux/firmware.h>
20#include "bnad.h"
21#include "bfi.h"
22#include "cna.h"
23
24const struct firmware *bfi_fw;
25static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna;
26static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size;
27
28static u32 *
29cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
30			u32 *bfi_image_size, char *fw_name)
31{
32	const struct firmware *fw;
33	u32 n;
34
35	if (request_firmware(&fw, fw_name, &pdev->dev)) {
36		dev_alert(&pdev->dev, "can't load firmware %s\n", fw_name);
37		goto error;
38	}
39
40	*bfi_image = (u32 *)fw->data;
41	*bfi_image_size = fw->size/sizeof(u32);
42	bfi_fw = fw;
43
44	/* Convert loaded firmware to host order as it is stored in file
45	 * as sequence of LE32 integers.
46	 */
47	for (n = 0; n < *bfi_image_size; n++)
48		le32_to_cpus(*bfi_image + n);
49
50	return *bfi_image;
51error:
52	return NULL;
53}
54
55u32 *
56cna_get_firmware_buf(struct pci_dev *pdev)
57{
58	if (pdev->device == BFA_PCI_DEVICE_ID_CT2) {
59		if (bfi_image_ct2_cna_size == 0)
60			cna_read_firmware(pdev, &bfi_image_ct2_cna,
61				&bfi_image_ct2_cna_size, CNA_FW_FILE_CT2);
62		return bfi_image_ct2_cna;
63	} else if (bfa_asic_id_ct(pdev->device)) {
64		if (bfi_image_ct_cna_size == 0)
65			cna_read_firmware(pdev, &bfi_image_ct_cna,
66				&bfi_image_ct_cna_size, CNA_FW_FILE_CT);
67		return bfi_image_ct_cna;
68	}
69
70	return NULL;
71}
72
73u32 *
74bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off)
75{
76	switch (asic_gen) {
77	case BFI_ASIC_GEN_CT:
78		return (bfi_image_ct_cna + off);
79	case BFI_ASIC_GEN_CT2:
80		return (bfi_image_ct2_cna + off);
81	default:
82		return NULL;
83	}
84}
85
86u32
87bfa_cb_image_get_size(enum bfi_asic_gen asic_gen)
88{
89	switch (asic_gen) {
90	case BFI_ASIC_GEN_CT:
91		return bfi_image_ct_cna_size;
92	case BFI_ASIC_GEN_CT2:
93		return bfi_image_ct2_cna_size;
94	default:
95		return 0;
96	}
97}
98