1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Linux network driver for QLogic BR-series Converged Network Adapter.
4 */
5/*
6 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
7 * Copyright (c) 2014-2015 QLogic Corporation
8 * All rights reserved
9 * www.qlogic.com
10 */
11#include <linux/firmware.h>
12#include "bnad.h"
13#include "bfi.h"
14#include "cna.h"
15
16const struct firmware *bfi_fw;
17static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna;
18static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size;
19
20static u32 *
21cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
22			u32 *bfi_image_size, char *fw_name)
23{
24	const struct firmware *fw;
25	u32 n;
26
27	if (request_firmware(&fw, fw_name, &pdev->dev)) {
28		dev_alert(&pdev->dev, "can't load firmware %s\n", fw_name);
29		goto error;
30	}
31
32	*bfi_image = (u32 *)fw->data;
33	*bfi_image_size = fw->size/sizeof(u32);
34	bfi_fw = fw;
35
36	/* Convert loaded firmware to host order as it is stored in file
37	 * as sequence of LE32 integers.
38	 */
39	for (n = 0; n < *bfi_image_size; n++)
40		le32_to_cpus(*bfi_image + n);
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 (bfi_image_ct_cna + off);
71	case BFI_ASIC_GEN_CT2:
72		return (bfi_image_ct2_cna + off);
73	default:
74		return NULL;
75	}
76}
77
78u32
79bfa_cb_image_get_size(enum bfi_asic_gen asic_gen)
80{
81	switch (asic_gen) {
82	case BFI_ASIC_GEN_CT:
83		return bfi_image_ct_cna_size;
84	case BFI_ASIC_GEN_CT2:
85		return bfi_image_ct2_cna_size;
86	default:
87		return 0;
88	}
89}
90