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 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; 51 error: 52 return NULL; 53 } 54 55 u32 * 56 cna_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 73 u32 * 74 bfa_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 86 u32 87 bfa_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