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)
98 if (*value == OPTION_UNSET) {
107 printk(KERN_INFO "%s: %s Enabled\n", atl1_driver_name,
110 case OPTION_DISABLED:
111 printk(KERN_INFO "%s: %s Disabled\n", atl1_driver_name,
117 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
118 printk(KERN_INFO "%s: %s set to %i\n",
119 atl1_driver_name, opt->name, *value);
125 struct atl1_opt_list *ent;
127 for (i = 0; i < opt->arg.l.nr; i++) {
128 ent = &opt->arg.l.p[i];
129 if (*value == ent->i) {
130 if (ent->str[0] != '\0')
131 printk(KERN_INFO "%s: %s\n",
132 atl1_driver_name, ent->str);
143 printk(KERN_INFO "%s: invalid %s specified (%i) %s\n",
144 atl1_driver_name, opt->name, *value, opt->err);
150 * atl1_check_options - Range Checking for Command Line Parameters
151 * @adapter: board private structure
153 * This routine checks all command line parameters for valid user
154 * input. If an invalid value is given, or if no user specified
155 * value exists, a default value is used. The final value is stored
156 * in a variable in the adapter structure.
158 void __devinit atl1_check_options(struct atl1_adapter *adapter)
160 int bd = adapter->bd_number;
161 if (bd >= ATL1_MAX_NIC) {
162 printk(KERN_NOTICE "%s: warning: no configuration for board #%i\n",
163 atl1_driver_name, bd);
164 printk(KERN_NOTICE "%s: using defaults for all values\n",
167 { /* Interrupt Moderate Timer */
168 struct atl1_option opt = {
169 .type = range_option,
170 .name = "Interrupt Moderator Timer",
171 .err = "using default of "
172 __MODULE_STRING(DEFAULT_INT_MOD_CNT),
173 .def = DEFAULT_INT_MOD_CNT,
175 {.min = MIN_INT_MOD_CNT,.max = MAX_INT_MOD_CNT}}
178 if (num_int_mod_timer > bd) {
179 val = int_mod_timer[bd];
180 atl1_validate_option(&val, &opt);
181 adapter->imt = (u16) val;
183 adapter->imt = (u16) (opt.def);
187 struct atl1_option opt = {
188 .type = range_option,
189 .name = "SPI Flash Vendor",
190 .err = "using default of "
191 __MODULE_STRING(FLASH_VENDOR_DEFAULT),
192 .def = DEFAULT_INT_MOD_CNT,
194 {.min = FLASH_VENDOR_MIN,.max =
198 if (num_flash_vendor > bd) {
199 val = flash_vendor[bd];
200 atl1_validate_option(&val, &opt);
201 adapter->hw.flash_vendor = (u8) val;
203 adapter->hw.flash_vendor = (u8) (opt.def);