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 
24 const struct firmware *bfi_fw;
25 static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna;
26 static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size;
27 
28 static u32 *
29 cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
30 			u32 *bfi_image_size, char *fw_name)
31 {
32 	const struct firmware *fw;
33 
34 	if (request_firmware(&fw, fw_name, &pdev->dev)) {
35 		pr_alert("Can't locate firmware %s\n", fw_name);
36 		goto error;
37 	}
38 
39 	*bfi_image = (u32 *)fw->data;
40 	*bfi_image_size = fw->size/sizeof(u32);
41 	bfi_fw = fw;
42 
43 	return *bfi_image;
44 error:
45 	return NULL;
46 }
47 
48 u32 *
49 cna_get_firmware_buf(struct pci_dev *pdev)
50 {
51 	if (pdev->device == BFA_PCI_DEVICE_ID_CT2) {
52 		if (bfi_image_ct2_cna_size == 0)
53 			cna_read_firmware(pdev, &bfi_image_ct2_cna,
54 				&bfi_image_ct2_cna_size, CNA_FW_FILE_CT2);
55 		return bfi_image_ct2_cna;
56 	} else if (bfa_asic_id_ct(pdev->device)) {
57 		if (bfi_image_ct_cna_size == 0)
58 			cna_read_firmware(pdev, &bfi_image_ct_cna,
59 				&bfi_image_ct_cna_size, CNA_FW_FILE_CT);
60 		return bfi_image_ct_cna;
61 	}
62 
63 	return NULL;
64 }
65 
66 u32 *
67 bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off)
68 {
69 	switch (asic_gen) {
70 	case BFI_ASIC_GEN_CT:
71 		return (bfi_image_ct_cna + off);
72 	case BFI_ASIC_GEN_CT2:
73 		return (bfi_image_ct2_cna + off);
74 	default:
75 		return NULL;
76 	}
77 }
78 
79 u32
80 bfa_cb_image_get_size(enum bfi_asic_gen asic_gen)
81 {
82 	switch (asic_gen) {
83 	case BFI_ASIC_GEN_CT:
84 		return bfi_image_ct_cna_size;
85 	case BFI_ASIC_GEN_CT2:
86 		return bfi_image_ct2_cna_size;
87 	default:
88 		return 0;
89 	}
90 }
91