/drivers/staging/vt6656/firmware.c
C | 174 lines | 104 code | 30 blank | 40 comment | 14 complexity | 48d817b1c4eec5db1d66529486b8cc42 MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
1/* 2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * 20 * File: baseband.c 21 * 22 * Purpose: Implement functions to access baseband 23 * 24 * Author: Yiching Chen 25 * 26 * Date: May 20, 2004 27 * 28 * Functions: 29 * 30 * Revision History: 31 * 32 */ 33 34#include "firmware.h" 35#include "control.h" 36#include "rndis.h" 37 38/*--------------------- Static Definitions -------------------------*/ 39 40static int msglevel =MSG_LEVEL_INFO; 41//static int msglevel =MSG_LEVEL_DEBUG; 42 43#define FIRMWARE_VERSION 0x133 /* version 1.51 */ 44#define FIRMWARE_NAME "vntwusb.fw" 45 46#define FIRMWARE_CHUNK_SIZE 0x400 47 48/*--------------------- Static Classes ----------------------------*/ 49 50/*--------------------- Static Variables --------------------------*/ 51 52/*--------------------- Static Functions --------------------------*/ 53 54/*--------------------- Export Variables --------------------------*/ 55 56/*--------------------- Export Functions --------------------------*/ 57 58 59BOOL 60FIRMWAREbDownload( 61 PSDevice pDevice 62 ) 63{ 64 const struct firmware *fw; 65 int NdisStatus; 66 void *pBuffer = NULL; 67 BOOL result = FALSE; 68 u16 wLength; 69 int ii; 70 71 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Download firmware\n"); 72 spin_unlock_irq(&pDevice->lock); 73 74 if (!pDevice->firmware) { 75 struct device *dev = &pDevice->usb->dev; 76 int rc; 77 78 rc = request_firmware(&pDevice->firmware, FIRMWARE_NAME, dev); 79 if (rc) { 80 dev_err(dev, "firmware file %s request failed (%d)\n", 81 FIRMWARE_NAME, rc); 82 goto out; 83 } 84 } 85 fw = pDevice->firmware; 86 87 pBuffer = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL); 88 if (!pBuffer) 89 goto out; 90 91 for (ii = 0; ii < fw->size; ii += FIRMWARE_CHUNK_SIZE) { 92 wLength = min_t(int, fw->size - ii, FIRMWARE_CHUNK_SIZE); 93 memcpy(pBuffer, fw->data + ii, wLength); 94 95 NdisStatus = CONTROLnsRequestOutAsyn(pDevice, 96 0, 97 0x1200+ii, 98 0x0000, 99 wLength, 100 pBuffer 101 ); 102 103 DBG_PRT(MSG_LEVEL_DEBUG, 104 KERN_INFO"Download firmware...%d %zu\n", ii, fw->size); 105 if (NdisStatus != STATUS_SUCCESS) 106 goto out; 107 } 108 109 result = TRUE; 110 111out: 112 kfree(pBuffer); 113 114 spin_lock_irq(&pDevice->lock); 115 return result; 116} 117MODULE_FIRMWARE(FIRMWARE_NAME); 118 119BOOL 120FIRMWAREbBrach2Sram( 121 PSDevice pDevice 122 ) 123{ 124 int NdisStatus; 125 126 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Branch to Sram\n"); 127 128 NdisStatus = CONTROLnsRequestOut(pDevice, 129 1, 130 0x1200, 131 0x0000, 132 0, 133 NULL 134 ); 135 136 if (NdisStatus != STATUS_SUCCESS) { 137 return (FALSE); 138 } else { 139 return (TRUE); 140 } 141} 142 143 144BOOL 145FIRMWAREbCheckVersion( 146 PSDevice pDevice 147 ) 148{ 149 int ntStatus; 150 151 ntStatus = CONTROLnsRequestIn(pDevice, 152 MESSAGE_TYPE_READ, 153 0, 154 MESSAGE_REQUEST_VERSION, 155 2, 156 (PBYTE) &(pDevice->wFirmwareVersion)); 157 158 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n", pDevice->wFirmwareVersion); 159 if (ntStatus != STATUS_SUCCESS) { 160 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Invalid.\n"); 161 return FALSE; 162 } 163 if (pDevice->wFirmwareVersion == 0xFFFF) { 164 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"In Loader.\n"); 165 return FALSE; 166 } 167 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n", pDevice->wFirmwareVersion); 168 if (pDevice->wFirmwareVersion < FIRMWARE_VERSION) { 169 // branch to loader for download new firmware 170 FIRMWAREbBrach2Sram(pDevice); 171 return FALSE; 172 } 173 return TRUE; 174}