2 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
3 * Copyright(c) 2006 Chris Snook <csnook@redhat.com>
4 * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
6 * Derived from Intel e1000 driver
7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the Free
11 * Software Foundation; either version 2 of the License, or (at your option)
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 * You should have received a copy of the GNU General Public License along with
20 * this program; if not, write to the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #include <linux/types.h>
25 #include <linux/moduleparam.h>
29 * This is the only thing that needs to be changed to adjust the
30 * maximum number of ports that the driver can manage.
32 #define ATL1_MAX_NIC 4
34 #define OPTION_UNSET -1
35 #define OPTION_DISABLED 0
36 #define OPTION_ENABLED 1
38 #define ATL1_PARAM_INIT { [0 ... ATL1_MAX_NIC] = OPTION_UNSET }
41 * Interrupt Moderate Timer in units of 2 us
43 * Valid Range: 10-65535
45 * Default Value: 100 (200us)
47 static int __devinitdata int_mod_timer[ATL1_MAX_NIC+1] = ATL1_PARAM_INIT;
48 static int num_int_mod_timer = 0;
49 module_param_array_named(int_mod_timer, int_mod_timer, int, &num_int_mod_timer, 0);
50 MODULE_PARM_DESC(int_mod_timer, "Interrupt moderator timer");
63 static int __devinitdata flash_vendor[ATL1_MAX_NIC+1] = ATL1_PARAM_INIT;
64 static int num_flash_vendor = 0;
65 module_param_array_named(flash_vendor, flash_vendor, int, &num_flash_vendor, 0);
66 MODULE_PARM_DESC(flash_vendor, "SPI flash vendor");
68 #define DEFAULT_INT_MOD_CNT 100 /* 200us */
69 #define MAX_INT_MOD_CNT 65000
70 #define MIN_INT_MOD_CNT 50
72 #define FLASH_VENDOR_DEFAULT 0
73 #define FLASH_VENDOR_MIN 0
74 #define FLASH_VENDOR_MAX 2
77 enum { enable_option, range_option, list_option } type;
82 struct { /* range_option info */
86 struct { /* list_option info */
88 struct atl1_opt_list {
96 static int __devinit atl1_validate_option(int *value, struct atl1_option *opt, struct pci_dev *pdev)
98 if (*value == OPTION_UNSET) {
107 dev_info(&pdev->dev, "%s enabled\n", opt->name);
109 case OPTION_DISABLED:
110 dev_info(&pdev->dev, "%s disabled\n", opt->name);
115 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
116 dev_info(&pdev->dev, "%s set to %i\n", opt->name,
123 struct atl1_opt_list *ent;
125 for (i = 0; i < opt->arg.l.nr; i++) {
126 ent = &opt->arg.l.p[i];
127 if (*value == ent->i) {
128 if (ent->str[0] != '\0')
129 dev_info(&pdev->dev, "%s\n",
141 dev_info(&pdev->dev, "invalid %s specified (%i) %s\n",
142 opt->name, *value, opt->err);
148 * atl1_check_options - Range Checking for Command Line Parameters
149 * @adapter: board private structure
151 * This routine checks all command line parameters for valid user
152 * input. If an invalid value is given, or if no user specified
153 * value exists, a default value is used. The final value is stored
154 * in a variable in the adapter structure.
156 void __devinit atl1_check_options(struct atl1_adapter *adapter)
158 struct pci_dev *pdev = adapter->pdev;
159 int bd = adapter->bd_number;
160 if (bd >= ATL1_MAX_NIC) {
161 dev_notice(&pdev->dev, "no configuration for board#%i\n", bd);
162 dev_notice(&pdev->dev, "using defaults for all values\n");
164 { /* Interrupt Moderate Timer */
165 struct atl1_option opt = {
166 .type = range_option,
167 .name = "Interrupt Moderator Timer",
168 .err = "using default of "
169 __MODULE_STRING(DEFAULT_INT_MOD_CNT),
170 .def = DEFAULT_INT_MOD_CNT,
172 {.min = MIN_INT_MOD_CNT,.max = MAX_INT_MOD_CNT}}
175 if (num_int_mod_timer > bd) {
176 val = int_mod_timer[bd];
177 atl1_validate_option(&val, &opt, pdev);
178 adapter->imt = (u16) val;
180 adapter->imt = (u16) (opt.def);
184 struct atl1_option opt = {
185 .type = range_option,
186 .name = "SPI Flash Vendor",
187 .err = "using default of "
188 __MODULE_STRING(FLASH_VENDOR_DEFAULT),
189 .def = DEFAULT_INT_MOD_CNT,
191 {.min = FLASH_VENDOR_MIN,.max =
195 if (num_flash_vendor > bd) {
196 val = flash_vendor[bd];
197 atl1_validate_option(&val, &opt, pdev);
198 adapter->hw.flash_vendor = (u8) val;
200 adapter->hw.flash_vendor = (u8) (opt.def);