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 23 const struct firmware *bfi_fw; 24 static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna; 25 static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size; 26 27 static u32 * 28 cna_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; 43 error: 44 return NULL; 45 } 46 47 u32 * 48 cna_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 65 u32 * 66 bfa_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 78 u32 79 bfa_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